/* roulang page: index */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c1121f;
            --brand-accent: #f4a261;
            --brand-accent-hover: #e76f51;
            --brand-dark: #1a1a2e;
            --brand-dark-2: #16213e;
            --brand-dark-3: #0f3460;
            --brand-light: #f8f9fa;
            --brand-white: #ffffff;
            --brand-gray-100: #f1f3f5;
            --brand-gray-200: #e9ecef;
            --brand-gray-300: #dee2e6;
            --brand-gray-400: #ced4da;
            --brand-gray-500: #adb5bd;
            --brand-gray-600: #6c757d;
            --brand-gray-700: #495057;
            --brand-gray-800: #343a40;
            --brand-gray-900: #212529;
            --text-primary: #1a1a2e;
            --text-secondary: #495057;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border-color: #e0e0e0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 8px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--brand-white);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--brand-white);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            border-bottom-color: var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
        }

        .nav-card-panel {
            background: var(--brand-white);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            padding: 8px 0;
            transition: all var(--transition);
        }
        .site-header.scrolled .nav-card-panel {
            box-shadow: var(--shadow-md);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            padding: 6px 0;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-dark);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--brand-primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 2px;
        }
        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--brand-gray-100);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 2px solid transparent;
            letter-spacing: 0.005em;
            flex-shrink: 0;
        }
        .nav-cat-chip:hover {
            background: var(--brand-gray-200);
            color: var(--text-primary);
            border-color: var(--brand-gray-300);
            transform: translateY(-1px);
        }
        .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .nav-cat-chip i {
            font-size: 0.85rem;
            opacity: 0.85;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.25);
        }
        .nav-cta-btn:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.35);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: var(--border-radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: var(--brand-gray-100);
        }

        @media (max-width: 1024px) {
            .nav-categories {
                gap: 3px;
            }
            .nav-cat-chip {
                padding: 7px 11px;
                font-size: 0.8rem;
                border-radius: 20px;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
                border-radius: 20px;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-categories {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--brand-white);
                flex-direction: column;
                padding: 16px;
                gap: 8px;
                border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
            }
            .nav-categories.open {
                display: flex;
            }
            .nav-cat-chip {
                width: 100%;
                justify-content: center;
                padding: 12px;
                font-size: 0.9rem;
                border-radius: 12px;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .nav-inner {
                gap: 10px;
            }
        }

        /* ========== HERO (斜切) ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, var(--brand-dark) 0%, var(--brand-dark-2) 40%, var(--brand-dark-3) 100%);
            color: #fff;
            padding: 60px 0 90px;
            clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
            overflow: hidden;
            z-index: 1;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .hero-side-left {
            text-align: right;
        }
        .hero-side-right {
            text-align: left;
        }
        .hero-value-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.4;
            transition: all var(--transition-fast);
        }
        .hero-side-left .hero-value-item {
            flex-direction: row-reverse;
        }
        .hero-value-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.95rem;
            color: var(--brand-accent);
            transition: all var(--transition-fast);
        }
        .hero-value-item:hover .hero-value-icon {
            background: var(--brand-accent);
            color: #fff;
            transform: scale(1.08);
        }
        .hero-center {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 18px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.1);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--brand-accent);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin: 0;
            color: #fff;
        }
        .hero-title span {
            color: var(--brand-accent);
        }
        .hero-desc {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.65;
            max-width: 480px;
            margin: 0 auto;
        }
        .hero-stage {
            width: 100%;
            max-width: 440px;
            aspect-ratio: 16 / 10;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-xl);
            border: 3px solid rgba(255, 255, 255, 0.2);
            background: #0a0a1a;
            margin: 0 auto;
        }
        .hero-stage img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
        }
        .hero-stage-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.3) 0%, rgba(26, 26, 46, 0.7) 100%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }
        .hero-stage-badge {
            background: var(--brand-primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 4px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.35);
            letter-spacing: 0.01em;
        }
        .btn-hero-primary:hover {
            background: #fff;
            color: var(--brand-primary);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(230, 57, 70, 0.45);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr 2fr 1fr;
                gap: 20px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-stage {
                max-width: 340px;
            }
            .hero-value-item {
                font-size: 0.82rem;
            }
            .hero-value-icon {
                width: 30px;
                height: 30px;
                font-size: 0.78rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
                padding: 40px 0 70px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .hero-side {
                display: none;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.9rem;
                max-width: 100%;
            }
            .hero-stage {
                max-width: 300px;
                aspect-ratio: 16/9;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: var(--brand-primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--brand-dark);
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.02rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.65;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header-left {
            text-align: left;
            margin-bottom: 36px;
        }

        /* ========== 入口矩阵 ========== */
        .entry-matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .entry-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .entry-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--brand-primary);
            color: inherit;
        }
        .entry-card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--border-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            transition: all var(--transition);
            background: var(--brand-gray-100);
            color: var(--brand-primary);
        }
        .entry-card:hover .entry-card-icon {
            background: var(--brand-primary);
            color: #fff;
            transform: scale(1.08);
        }
        .entry-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--brand-dark);
        }
        .entry-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .entry-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .entry-matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .entry-card {
                padding: 20px 14px;
            }
            .entry-card-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
            .entry-card h4 {
                font-size: 0.9rem;
            }
        }

        /* ========== 里程碑 ========== */
        .milestone-band {
            background: var(--brand-dark);
            color: #fff;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .milestone-band::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .milestone-item {
            padding: 20px;
        }
        .milestone-number {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: var(--brand-accent);
            line-height: 1;
            margin-bottom: 6px;
        }
        .milestone-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .milestone-number {
                font-size: 2.2rem;
            }
        }

        /* ========== 资讯 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            background: var(--brand-white);
            border-radius: var(--border-radius);
            padding: 20px 24px;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .news-item:hover {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow);
            transform: translateX(3px);
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .news-item h4 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--brand-dark);
            line-height: 1.4;
            margin: 0;
        }
        .news-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }
        .news-readmore {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-primary);
            transition: all var(--transition-fast);
            margin-top: 2px;
        }
        .news-readmore:hover {
            color: var(--brand-primary-dark);
            gap: 8px;
        }
        .news-sidebar {
            background: var(--brand-gray-100);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            position: sticky;
            top: 100px;
        }
        .news-sidebar h4 {
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--brand-dark);
            font-size: 1.05rem;
        }
        .news-sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-sidebar-list a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--border-radius-sm);
            transition: all var(--transition-fast);
            display: block;
            border-left: 3px solid transparent;
        }
        .news-sidebar-list a:hover {
            background: var(--brand-white);
            color: var(--brand-primary);
            border-left-color: var(--brand-primary);
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
        }

        /* ========== 平台保障 ========== */
        .platform-band {
            background: var(--brand-gray-100);
            padding: 56px 0;
        }
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .platform-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
        }
        .platform-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-4px);
        }
        .platform-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: #fff;
            font-size: 1.4rem;
        }
        .platform-card h4 {
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-dark);
        }
        .platform-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 768px) {
            .platform-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 证言 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .testimonial-quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            padding-left: 20px;
            border-left: 3px solid var(--brand-accent);
        }
        .testimonial-author {
            font-weight: 700;
            color: var(--brand-dark);
            font-size: 0.9rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 三步上手 ========== */
        .steps-band {
            background: linear-gradient(160deg, var(--brand-dark-2) 0%, var(--brand-dark) 100%);
            color: #fff;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .steps-band::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(244, 162, 97, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            position: relative;
            z-index: 1;
        }
        .step-card {
            text-align: center;
            padding: 24px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }
        .step-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-4px);
        }
        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--brand-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--brand-dark);
        }
        .step-card h4 {
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }
        .step-card p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.55;
            margin: 0;
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 片库轨道 ========== */
        .track-scroll-wrap {
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-gray-300) transparent;
            padding-bottom: 12px;
            -webkit-overflow-scrolling: touch;
        }
        .track-scroll-wrap::-webkit-scrollbar {
            height: 6px;
        }
        .track-scroll-wrap::-webkit-scrollbar-track {
            background: transparent;
        }
        .track-scroll-wrap::-webkit-scrollbar-thumb {
            background: var(--brand-gray-300);
            border-radius: 3px;
        }
        .track-row {
            display: flex;
            gap: 16px;
            flex-wrap: nowrap;
            min-width: max-content;
        }
        .track-card {
            width: 220px;
            flex-shrink: 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            background: var(--brand-white);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }
        .track-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--brand-primary);
        }
        .track-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .track-card-body {
            padding: 14px 16px;
        }
        .track-card-body h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0 0 4px;
            line-height: 1.3;
        }
        .track-card-body span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .track-hover-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--brand-primary);
            color: #fff;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 0.7rem;
            font-weight: 700;
            opacity: 0;
            transition: opacity var(--transition-fast);
            pointer-events: none;
        }
        .track-card:hover .track-hover-badge {
            opacity: 1;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-band {
            background: var(--brand-white);
            padding: 48px 0;
            border-top: 1px solid var(--brand-gray-200);
            border-bottom: 1px solid var(--brand-gray-200);
        }
        .brand-intro-content {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
        }
        .brand-intro-content p {
            font-size: 1.02rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--brand-white);
            border-radius: var(--border-radius);
            border: 1px solid var(--brand-gray-200);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--brand-gray-300);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: all var(--transition-fast);
            background: var(--brand-white);
        }
        .faq-question:hover {
            background: var(--brand-gray-100);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: var(--brand-primary);
        }
        .faq-toggle-icon {
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
            color: var(--brand-primary);
        }

        /* ========== App下载 ========== */
        .app-band {
            background: linear-gradient(135deg, var(--brand-dark-3) 0%, var(--brand-dark-2) 100%);
            color: #fff;
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .app-band::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .app-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-app {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 26px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            background: #fff;
            color: var(--brand-dark);
            border: none;
            transition: all var(--transition);
            box-shadow: var(--shadow);
        }
        .btn-app:hover {
            background: var(--brand-accent);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .btn-app i {
            font-size: 1.3rem;
        }

        /* ========== CTA ========== */
        .cta-band {
            background: var(--brand-primary);
            color: #fff;
            padding: 48px 0;
            text-align: center;
        }
        .cta-band h3 {
            font-weight: 800;
            font-size: 1.6rem;
            margin-bottom: 8px;
        }
        .cta-band p {
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 20px;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: #fff;
            color: var(--brand-primary);
            border: none;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-white:hover {
            background: var(--brand-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }

        /* ========== 进度条板块 ========== */
        .progress-band {
            background: var(--brand-white);
            padding: 48px 0;
        }
        .progress-list {
            max-width: 640px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .progress-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 20px;
            border-radius: var(--border-radius);
            background: var(--brand-gray-100);
            transition: all var(--transition-fast);
        }
        .progress-item:hover {
            background: var(--brand-gray-200);
        }
        .progress-check {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.8rem;
            font-weight: 700;
        }
        .progress-item.done .progress-check {
            background: #2ecc71;
        }
        .progress-info {
            flex: 1;
        }
        .progress-info strong {
            display: block;
            font-weight: 700;
            color: var(--brand-dark);
            font-size: 0.95rem;
        }
        .progress-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .progress-bar-wrap {
            width: 80px;
            height: 6px;
            background: var(--brand-gray-300);
            border-radius: 3px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .progress-bar-fill {
            height: 100%;
            background: var(--brand-accent);
            border-radius: 3px;
            transition: width var(--transition-slow);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 28px;
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            font-size: 0.85rem;
        }
        .footer-col h5 {
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--brand-accent);
        }
        .text-primary-brand {
            color: var(--brand-primary);
        }
        .bg-light-soft {
            background: var(--brand-gray-100);
        }
        .bg-white {
            background: var(--brand-white);
        }
        .fw-800 {
            font-weight: 800;
        }
        .fw-900 {
            font-weight: 900;
        }
        .gap-20 {
            gap: 20px;
        }
        .gap-24 {
            gap: 24px;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-block-sm {
                padding: 32px 0;
            }
            :root {
                --section-gap: 40px;
                --section-gap-sm: 28px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c1121f;
            --brand-accent: #f4a261;
            --brand-accent-hover: #e76f51;
            --brand-dark: #1a1a2e;
            --brand-dark-2: #16213e;
            --brand-dark-3: #0f3460;
            --brand-light: #f8f9fa;
            --brand-white: #ffffff;
            --brand-gray-100: #f1f3f5;
            --brand-gray-200: #e9ecef;
            --brand-gray-300: #dee2e6;
            --brand-gray-400: #ced4da;
            --brand-gray-500: #adb5bd;
            --brand-gray-600: #6c757d;
            --brand-gray-700: #495057;
            --brand-gray-800: #343a40;
            --brand-gray-900: #212529;
            --text-primary: #1a1a2e;
            --text-secondary: #495057;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border-color: #e0e0e0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 8px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 40px;
            --section-gap-sm: 28px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--brand-white);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--brand-white);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            border-bottom-color: var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
        }
        .nav-card-panel {
            background: var(--brand-white);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            padding: 8px 0;
            transition: all var(--transition);
        }
        .site-header.scrolled .nav-card-panel {
            box-shadow: var(--shadow-md);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            padding: 6px 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-dark);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--brand-primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-categories {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            overflow-x: auto;
            flex: 1;
            justify-content: flex-end;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-categories::-webkit-scrollbar {
            display: none;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--brand-gray-100);
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            border: 1.5px solid transparent;
            letter-spacing: 0.005em;
        }
        .nav-cat-chip:hover {
            background: var(--brand-gray-200);
            color: var(--text-primary);
            border-color: var(--brand-gray-300);
        }
        .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.3);
        }
        .nav-cat-chip i {
            font-size: 0.85rem;
        }

        /* ========== HERO ========== */
        .hero-banner {
            background: linear-gradient(180deg, #fef9f4 0%, #fff8f0 40%, var(--brand-white) 100%);
            padding: 36px 0 48px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--brand-gray-200);
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner-content {
            display: flex;
            align-items: center;
            gap: 40px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }
        .hero-banner-text {
            flex: 1;
            min-width: 280px;
        }
        .hero-banner-text .badge-tag {
            display: inline-block;
            background: var(--brand-primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }
        .hero-banner-text h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-dark);
            line-height: 1.25;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .hero-banner-text h1 span {
            color: var(--brand-primary);
        }
        .hero-banner-text .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
            max-width: 520px;
        }
        .hero-banner-visual {
            flex: 0 0 auto;
            width: 340px;
            max-width: 100%;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .hero-banner-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .hero-data-strip {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
            position: relative;
            z-index: 1;
        }
        .hero-data-item {
            background: var(--brand-white);
            border-radius: var(--border-radius);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--brand-gray-200);
            text-align: center;
            min-width: 100px;
            flex: 1;
            transition: all var(--transition-fast);
        }
        .hero-data-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .hero-data-item .data-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
        }
        .hero-data-item .data-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--brand-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 10px;
            letter-spacing: -0.015em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== PAIN POINTS ========== */
        .pain-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .pain-card {
            background: var(--brand-white);
            border: 1px solid var(--brand-gray-200);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .pain-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #fcc5c8;
            transform: translateY(-3px);
        }
        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--border-radius-sm);
            background: #fff5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--brand-primary);
            margin-bottom: 16px;
        }
        .pain-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }
        .pain-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== SOLUTION ========== */
        .solution-row {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .solution-text {
            flex: 1;
            min-width: 280px;
        }
        .solution-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .solution-text ul li {
            padding: 10px 0 10px 28px;
            position: relative;
            font-size: 0.95rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--brand-gray-100);
        }
        .solution-text ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 10px;
            color: var(--brand-primary);
            font-size: 0.8rem;
        }
        .solution-visual {
            flex: 0 0 auto;
            width: 380px;
            max-width: 100%;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .solution-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ========== FEATURE CARDS ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 28px;
        }
        .feature-card {
            background: var(--brand-white);
            border-radius: var(--border-radius);
            padding: 24px 18px;
            border: 1px solid var(--brand-gray-200);
            text-align: center;
            transition: all var(--transition);
            cursor: default;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-gray-300);
            transform: translateY(-2px);
        }
        .feature-card .feat-icon {
            width: 54px;
            height: 54px;
            border-radius: 50%;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: linear-gradient(135deg, #fff5f5, #ffe8ea);
            color: var(--brand-primary);
        }
        .feature-card h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }
        .feature-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== LEAGUE COVERAGE ========== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 28px;
        }
        .league-card {
            background: var(--brand-white);
            border-radius: var(--border-radius);
            overflow: hidden;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            text-align: center;
        }
        .league-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .league-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .league-card .league-info {
            padding: 14px 12px;
        }
        .league-card .league-info h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 4px;
        }
        .league-card .league-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== DATA DEEP ========== */
        .data-deep-section {
            background: var(--brand-dark);
            color: #fff;
            border-radius: var(--border-radius-xl);
            padding: 40px 36px;
            margin-top: 28px;
            position: relative;
            overflow: hidden;
        }
        .data-deep-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .data-deep-section .section-title {
            color: #fff;
        }
        .data-deep-section .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }
        .data-metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
            position: relative;
            z-index: 1;
        }
        .data-metric-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--border-radius);
            padding: 22px 16px;
            text-align: center;
            transition: all var(--transition);
        }
        .data-metric-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .data-metric-card .metric-val {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-accent);
            line-height: 1.2;
        }
        .data-metric-card .metric-lbl {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        /* ========== RESULTS ========== */
        .results-timeline {
            display: flex;
            gap: 20px;
            margin-top: 28px;
            flex-wrap: wrap;
            position: relative;
        }
        .results-timeline::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-gray-200);
            border-radius: 2px;
            z-index: 0;
        }
        .result-step {
            flex: 1;
            min-width: 160px;
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--brand-white);
            padding: 20px 14px;
            border-radius: var(--border-radius);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
        }
        .result-step:hover {
            box-shadow: var(--shadow);
            border-color: var(--brand-primary);
            transform: translateY(-2px);
        }
        .result-step .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            position: relative;
            z-index: 2;
        }
        .result-step h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 4px;
        }
        .result-step p {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .testimonial-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--brand-gray-200);
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-gray-300);
        }
        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: var(--brand-gray-200);
            position: absolute;
            top: 8px;
            left: 16px;
            line-height: 1;
            font-family: Georgia, serif;
        }
        .testimonial-card .testi-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
            padding-top: 10px;
        }
        .testimonial-card .testi-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .testi-author img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
        }
        .testimonial-card .testi-author .author-name {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--brand-dark);
        }
        .testimonial-card .testi-author .author-role {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 760px;
            margin: 28px auto 0;
        }
        .faq-item {
            border: 1px solid var(--brand-gray-200);
            border-radius: var(--border-radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
            background: var(--brand-white);
        }
        .faq-item:hover {
            border-color: var(--brand-gray-300);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            background: transparent;
            border: none;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.005em;
        }
        .faq-question:hover {
            color: var(--brand-primary);
            background: var(--brand-gray-100);
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.75rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] .faq-arrow {
            transform: rotate(180deg);
            color: var(--brand-primary);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-dark-2) 0%, var(--brand-dark) 100%);
            border-radius: var(--border-radius-xl);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-top: 20px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 0.95rem;
        }
        .btn-brand {
            display: inline-block;
            padding: 12px 30px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .btn-brand:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline-light-custom {
            display: inline-block;
            padding: 12px 30px;
            background: transparent;
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
            margin-left: 10px;
        }
        .btn-outline-light-custom:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 0;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 20px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom-links {
            display: flex;
            gap: 14px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--brand-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .pain-cards-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-banner-content {
                flex-direction: column;
                text-align: center;
            }
            .hero-banner-visual {
                width: 100%;
                max-width: 400px;
                margin: 0 auto;
            }
            .hero-data-strip {
                justify-content: center;
            }
            .solution-row {
                flex-direction: column;
                text-align: center;
            }
            .solution-visual {
                width: 100%;
                max-width: 400px;
                margin: 0 auto;
            }
            .results-timeline {
                flex-direction: column;
                gap: 14px;
            }
            .results-timeline::before {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .nav-categories {
                gap: 4px;
                justify-content: flex-start;
                padding: 4px 0;
            }
            .nav-cat-chip {
                padding: 6px 10px;
                font-size: 0.75rem;
                gap: 4px;
                border-radius: 20px;
            }
            .nav-cat-chip i {
                font-size: 0.7rem;
            }
            .nav-inner {
                flex-wrap: wrap;
                gap: 8px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .hero-banner-text h1 {
                font-size: 1.6rem;
            }
            .hero-banner-text .hero-subtitle {
                font-size: 0.9rem;
            }
            .pain-cards-row {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .league-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-metrics-row {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-cards {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .data-deep-section {
                padding: 28px 18px;
                border-radius: var(--border-radius);
            }
            .cta-section {
                padding: 32px 18px;
                border-radius: var(--border-radius);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .btn-outline-light-custom {
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-data-strip {
                flex-direction: column;
                gap: 10px;
            }
            .hero-data-item {
                min-width: auto;
            }
            .hero-banner {
                padding: 24px 0 32px;
            }
            .section-block {
                padding: 28px 0;
            }
            .section-block-sm {
                padding: 20px 0;
            }
        }
        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .league-grid {
                grid-template-columns: 1fr;
            }
            .data-metrics-row {
                grid-template-columns: 1fr;
            }
            .hero-banner-visual {
                width: 100%;
                max-width: 100%;
            }
            .hero-data-item .data-value {
                font-size: 1.3rem;
            }
            .nav-cat-chip {
                padding: 5px 8px;
                font-size: 0.7rem;
            }
            .logo-link {
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c1121f;
            --brand-accent: #f4a261;
            --brand-accent-hover: #e76f51;
            --brand-dark: #1a1a2e;
            --brand-dark-2: #16213e;
            --brand-dark-3: #0f3460;
            --brand-light: #f8f9fa;
            --brand-white: #ffffff;
            --brand-gray-100: #f1f3f5;
            --brand-gray-200: #e9ecef;
            --brand-gray-300: #dee2e6;
            --brand-gray-400: #ced4da;
            --brand-gray-500: #adb5bd;
            --brand-gray-600: #6c757d;
            --brand-gray-700: #495057;
            --brand-gray-800: #343a40;
            --brand-gray-900: #212529;
            --text-primary: #1a1a2e;
            --text-secondary: #495057;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border-color: #e0e0e0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 8px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 56px;
            --section-gap-sm: 36px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--brand-white);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--brand-white);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            border-bottom-color: var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
        }
        .nav-card-panel {
            background: var(--brand-white);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            padding: 8px 0;
            transition: all var(--transition);
        }
        .site-header.scrolled .nav-card-panel {
            box-shadow: var(--shadow-md);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            padding: 6px 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-dark);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--brand-primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-categories {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--brand-gray-100);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1.5px solid transparent;
            letter-spacing: 0.005em;
        }
        .nav-cat-chip:hover {
            background: #fde8e8;
            color: var(--brand-primary);
            border-color: rgba(230, 57, 70, 0.3);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            box-shadow: var(--shadow);
            font-weight: 700;
        }
        .nav-cat-chip i {
            font-size: 0.85rem;
        }

        /* 移动端导航 */
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: var(--border-radius-sm);
            transition: all var(--transition-fast);
        }
        .nav-mobile-toggle:hover {
            background: var(--brand-gray-100);
        }
        @media (max-width: 1024px) {
            .nav-categories {
                gap: 4px;
            }
            .nav-cat-chip {
                padding: 6px 10px;
                font-size: 0.78rem;
                gap: 4px;
            }
            .nav-cat-chip i {
                font-size: 0.75rem;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }
        @media (max-width: 768px) {
            .nav-mobile-toggle {
                display: block;
            }
            .nav-categories {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--brand-white);
                flex-direction: column;
                gap: 2px;
                padding: 12px;
                border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--brand-gray-200);
                z-index: 1040;
                max-height: 60vh;
                overflow-y: auto;
            }
            .nav-categories.show {
                display: flex;
            }
            .nav-cat-chip {
                width: 100%;
                justify-content: flex-start;
                padding: 10px 16px;
                border-radius: var(--border-radius-sm);
                font-size: 0.9rem;
            }
            .nav-inner {
                flex-wrap: wrap;
            }
        }

        /* ========== HERO - 矮横幅 ========== */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 30%, #f1f3f5 60%, #f8f9fa 100%);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 40px 0 36px;
            border-bottom: 1px solid var(--brand-gray-200);
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .hero-banner .container-custom {
            position: relative;
            z-index: 1;
        }
        .hero-banner-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-banner-text {
            flex: 1;
            min-width: 280px;
        }
        .hero-banner-text .badge-tag {
            display: inline-block;
            background: var(--brand-primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .hero-banner-text h1 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-dark);
            margin: 0 0 10px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .hero-banner-text .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            max-width: 540px;
        }
        .hero-banner-visual {
            flex-shrink: 0;
            width: 280px;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 3px solid #fff;
        }
        .hero-banner-visual img {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
        }
        @media (max-width: 768px) {
            .hero-banner {
                padding: 28px 0 24px;
            }
            .hero-banner-inner {
                flex-direction: column;
                text-align: center;
            }
            .hero-banner-text h1 {
                font-size: 1.55rem;
            }
            .hero-banner-text .hero-subtitle {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .hero-banner-visual {
                width: 100%;
                max-width: 320px;
                margin: 0 auto;
            }
        }

        /* ========== SECTION 通用 ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--brand-primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        /* ========== 卡片系统 ========== */
        .card-custom {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--brand-gray-300);
        }
        .card-custom .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--border-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-custom .card-icon-red {
            background: #fde8e8;
            color: var(--brand-primary);
        }
        .card-custom .card-icon-accent {
            background: #fef3e7;
            color: var(--brand-accent);
        }
        .card-custom .card-icon-blue {
            background: #e8f0fe;
            color: var(--brand-dark-3);
        }
        .card-custom h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-dark);
        }
        .card-custom p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .card-custom.card-image-top {
            padding: 0;
            overflow: hidden;
        }
        .card-custom.card-image-top .card-img-wrap {
            width: 100%;
            height: 180px;
            overflow: hidden;
            border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
        }
        .card-custom.card-image-top .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-custom.card-image-top:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-custom.card-image-top .card-body-inner {
            padding: 20px 22px 24px;
        }

        /* ========== 按钮 ========== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: var(--shadow);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-brand:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-brand-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-primary);
            border: 2px solid var(--brand-primary);
            padding: 10px 26px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-brand-outline:hover {
            background: var(--brand-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-brand-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        /* ========== 数据面板 ========== */
        .stat-panel {
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-dark-2) 50%, var(--brand-dark-3) 100%);
            border-radius: var(--border-radius-xl);
            padding: 40px 32px;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: space-around;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
            background: linear-gradient(135deg, #fff 0%, #f4a261 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stat-panel {
                padding: 28px 20px;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .stat-item .stat-label {
                font-size: 0.8rem;
            }
        }

        /* ========== 证言卡片 ========== */
        .testimonial-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 24px;
            border: 1px solid var(--brand-gray-200);
            box-shadow: var(--shadow);
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--brand-primary);
            opacity: 0.3;
            position: absolute;
            top: 12px;
            right: 18px;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
            padding-right: 30px;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            color: var(--brand-dark);
            font-size: 0.9rem;
        }
        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== 赛事预告列表 ========== */
        .match-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--brand-white);
            border-radius: var(--border-radius);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition-fast);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .match-list-item:hover {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow);
            background: #fefafa;
        }
        .match-date-badge {
            background: var(--brand-primary);
            color: #fff;
            border-radius: var(--border-radius-sm);
            padding: 8px 14px;
            text-align: center;
            font-weight: 700;
            font-size: 0.8rem;
            line-height: 1.2;
            min-width: 56px;
            flex-shrink: 0;
        }
        .match-info {
            flex: 1;
            min-width: 180px;
        }
        .match-info .match-teams {
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-dark);
        }
        .match-info .match-league {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .match-status {
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            flex-shrink: 0;
        }
        .match-status.live {
            background: #fde8e8;
            color: var(--brand-primary);
            animation: pulse-dot 1.5s infinite;
        }
        .match-status.upcoming {
            background: var(--brand-gray-100);
            color: var(--text-secondary);
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--brand-gray-200);
            border-radius: var(--border-radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-accordion .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-dark);
            background: var(--brand-white);
            border-radius: var(--border-radius) !important;
            padding: 18px 22px;
            transition: all var(--transition-fast);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #fefafa;
            color: var(--brand-primary);
            box-shadow: none;
            border-bottom: 1px solid var(--brand-gray-200);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-primary);
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: var(--brand-white);
        }

        /* ========== CTA 区块 ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-dark-2) 60%, var(--brand-dark-3) 100%);
            border-radius: var(--border-radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(244, 162, 97, 0.2);
            z-index: 0;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.15);
            z-index: 0;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .cta-block p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 22px;
            line-height: 1.6;
        }
        .cta-block .btn-brand {
            background: #fff;
            color: var(--brand-primary);
            box-shadow: var(--shadow-lg);
            font-weight: 700;
        }
        .cta-block .btn-brand:hover {
            background: var(--brand-accent);
            color: #fff;
            box-shadow: var(--shadow-xl);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: 0;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .site-footer .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 7px;
        }
        .site-footer .footer-col ul li a,
        .site-footer .footer-col ul li span {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--brand-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
            justify-content: center;
        }
        .site-footer .footer-bottom-links {
            display: flex;
            gap: 16px;
        }
        .site-footer .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom-links a:hover {
            color: var(--brand-accent);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer .footer-grid>div:first-child {
                grid-column: 1/-1;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 992px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-block-sm {
                padding: 28px 0;
            }
        }
        @media (max-width: 576px) {
            .section-title {
                font-size: 1.3rem;
            }
            .btn-brand,
            .btn-brand-outline {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .match-list-item {
                padding: 12px 14px;
                gap: 10px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c1121f;
            --brand-accent: #f4a261;
            --brand-accent-hover: #e76f51;
            --brand-dark: #1a1a2e;
            --brand-dark-2: #16213e;
            --brand-dark-3: #0f3460;
            --brand-light: #f8f9fa;
            --brand-white: #ffffff;
            --brand-gray-100: #f1f3f5;
            --brand-gray-200: #e9ecef;
            --brand-gray-300: #dee2e6;
            --brand-gray-400: #ced4da;
            --brand-gray-500: #adb5bd;
            --brand-gray-600: #6c757d;
            --brand-gray-700: #495057;
            --brand-gray-800: #343a40;
            --brand-gray-900: #212529;
            --text-primary: #1a1a2e;
            --text-secondary: #495057;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border-color: #e0e0e0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 8px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--brand-white);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--brand-white);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            border-bottom-color: var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
        }
        .nav-card-panel {
            background: var(--brand-white);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            padding: 8px 0;
            transition: all var(--transition);
        }
        .site-header.scrolled .nav-card-panel {
            box-shadow: var(--shadow-md);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            padding: 6px 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-dark);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--brand-primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-categories {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }
        .nav-categories::-webkit-scrollbar {
            display: none;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            white-space: nowrap;
            background: var(--brand-gray-100);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            border: 2px solid transparent;
        }
        .nav-cat-chip:hover {
            background: var(--brand-gray-200);
            color: var(--text-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary-dark);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
            font-weight: 700;
        }
        .nav-cat-chip i {
            font-size: 0.85rem;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 700;
            white-space: nowrap;
            background: var(--brand-dark);
            color: #fff;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            border: none;
        }
        .nav-cta-btn:hover {
            background: var(--brand-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== HERO - 影视海报沉浸暗底 ========== */
        .hero-cinematic {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: var(--brand-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero-cinematic::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 26, 46, 0.92) 0%, rgba(22, 33, 62, 0.78) 40%, rgba(15, 52, 96, 0.65) 70%, rgba(0, 0, 0, 0.85) 100%);
            z-index: 1;
        }
        .hero-cinematic::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
            z-index: 2;
        }
        .hero-cinematic .hero-content {
            position: relative;
            z-index: 3;
            padding: 80px 0 60px;
        }
        .hero-hot-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 8px 18px;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(244, 162, 97, 0.5);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(244, 162, 97, 0);
            }
        }
        .hero-hot-badge .hot-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ff4d4f;
            animation: blink-dot 1s ease-in-out infinite;
        }
        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .hero-cinematic .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 18px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .hero-cinematic .hero-title .accent {
            color: var(--brand-accent);
            position: relative;
        }
        .hero-cinematic .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 32px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }
        .hero-cinematic .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.45);
        }
        .btn-hero-primary:hover {
            background: var(--brand-primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 14px 38px rgba(230, 57, 70, 0.55);
            color: #fff;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }
        .hero-stats-row {
            display: flex;
            gap: 36px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--brand-accent);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-dark {
            background: var(--brand-dark);
            color: #fff;
        }
        .section-gray {
            background: var(--brand-gray-100);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 36px;
            max-width: 640px;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--brand-primary);
            margin-bottom: 8px;
        }

        /* ========== PAIN POINTS ========== */
        .pain-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #ffcccc;
        }
        .pain-card .pain-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--border-radius-sm);
            background: #fff0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--brand-primary);
            margin-bottom: 16px;
        }
        .pain-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .pain-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ========== SOLUTION ========== */
        .solution-block {
            background: var(--brand-white);
            border-radius: var(--border-radius-xl);
            padding: 40px 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--brand-gray-200);
            display: flex;
            gap: 28px;
            align-items: flex-start;
            flex-wrap: wrap;
            transition: all var(--transition);
        }
        .solution-block:hover {
            box-shadow: var(--shadow-lg);
        }
        .solution-icon-large {
            width: 64px;
            height: 64px;
            border-radius: var(--border-radius);
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            flex-shrink: 0;
        }
        .solution-text h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 6px;
        }
        .solution-text p {
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== NEWS CARDS ========== */
        .news-featured-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-wrap: wrap;
            transition: all var(--transition);
            border: 1px solid var(--brand-gray-200);
        }
        .news-featured-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }
        .news-featured-img {
            flex: 1 1 400px;
            min-height: 280px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .news-featured-img .news-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--brand-primary);
            color: #fff;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            z-index: 2;
        }
        .news-featured-body {
            flex: 1 1 320px;
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-featured-body .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-featured-body h3 {
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-featured-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: var(--brand-primary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .btn-read-more:hover {
            color: var(--brand-primary-dark);
            gap: 10px;
        }
        .news-grid-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            height: 100%;
        }
        .news-grid-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .news-grid-card .news-thumb {
            height: 180px;
            background-size: cover;
            background-position: center;
        }
        .news-grid-card .news-body {
            padding: 18px;
        }
        .news-grid-card .news-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .news-grid-card h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-grid-card p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--brand-white);
            border-radius: var(--border-radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--brand-gray-200);
            display: flex;
            gap: 32px;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand-intro-img {
            width: 160px;
            height: 160px;
            border-radius: var(--border-radius-lg);
            background: linear-gradient(135deg, var(--brand-dark-3), var(--brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 3rem;
            color: #fff;
        }
        .brand-intro-text h3 {
            font-weight: 800;
            font-size: 1.5rem;
            margin-bottom: 12px;
        }
        .brand-intro-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            height: 100%;
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--brand-accent);
            opacity: 0.5;
            margin-bottom: 10px;
        }
        .testimonial-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 16px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--brand-gray-300);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-author strong {
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .testimonial-author span {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: block;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--brand-gray-200);
            border-radius: var(--border-radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            background: var(--brand-white);
            color: var(--text-primary);
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #fff5f5;
            color: var(--brand-primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }
        .faq-accordion .accordion-body {
            padding: 16px 22px 22px;
            color: var(--text-secondary);
            line-height: 1.7;
            background: var(--brand-white);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-dark-2), var(--brand-dark));
            border-radius: var(--border-radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(244, 162, 97, 0.2);
            z-index: 1;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.25);
            z-index: 1;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 800;
            background: var(--brand-accent);
            color: var(--brand-dark);
            border: none;
            transition: all var(--transition);
            box-shadow: 0 10px 32px rgba(244, 162, 97, 0.4);
        }
        .btn-cta-large:hover {
            background: var(--brand-accent-hover);
            color: #fff;
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(244, 162, 97, 0.55);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
        }
        .footer-col h5 {
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-size: 0.95rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }
        .footer-bottom-links a:hover {
            color: var(--brand-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-cinematic .hero-title {
                font-size: 2.4rem;
            }
            .hero-cinematic {
                min-height: 480px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .brand-intro-block {
                flex-direction: column;
                text-align: center;
            }
            .news-featured-card {
                flex-direction: column;
            }
            .news-featured-img {
                min-height: 220px;
                flex: auto;
            }
        }
        @media (max-width: 768px) {
            .nav-categories {
                gap: 4px;
            }
            .nav-cat-chip {
                padding: 6px 12px;
                font-size: 0.78rem;
                gap: 4px;
            }
            .nav-cat-chip i {
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .hero-cinematic {
                min-height: 420px;
            }
            .hero-cinematic .hero-title {
                font-size: 1.9rem;
            }
            .hero-cinematic .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .news-grid-card .news-thumb {
                height: 150px;
            }
            .solution-block {
                flex-direction: column;
                padding: 24px 20px;
            }
        }
        @media (max-width: 520px) {
            .hero-cinematic .hero-title {
                font-size: 1.5rem;
            }
            .hero-cinematic .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-cinematic {
                min-height: 360px;
            }
            .hero-cinematic .hero-content {
                padding: 50px 0 30px;
            }
            .hero-hot-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 14px;
                margin-top: 24px;
            }
            .hero-stat-number {
                font-size: 1.3rem;
            }
            .nav-cat-chip {
                padding: 5px 10px;
                font-size: 0.72rem;
            }
            .nav-cta-btn {
                padding: 6px 12px;
                font-size: 0.72rem;
            }
            .logo-link {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .brand-intro-img {
                width: 100px;
                height: 100px;
                font-size: 2rem;
            }
            .brand-intro-block {
                padding: 24px 18px;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-cta-large {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category4 */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c1121f;
            --brand-accent: #f4a261;
            --brand-accent-hover: #e76f51;
            --brand-dark: #1a1a2e;
            --brand-dark-2: #16213e;
            --brand-dark-3: #0f3460;
            --brand-light: #f8f9fa;
            --brand-white: #ffffff;
            --brand-gray-100: #f1f3f5;
            --brand-gray-200: #e9ecef;
            --brand-gray-300: #dee2e6;
            --brand-gray-400: #ced4da;
            --brand-gray-500: #adb5bd;
            --brand-gray-600: #6c757d;
            --brand-gray-700: #495057;
            --brand-gray-800: #343a40;
            --brand-gray-900: #212529;
            --text-primary: #1a1a2e;
            --text-secondary: #495057;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border-color: #e0e0e0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 8px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }
        :root {
            --section-gap: 40px;
            --section-gap-sm: 28px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--brand-white);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--brand-white);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            border-bottom-color: var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
        }
        .nav-card-panel {
            background: var(--brand-white);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            padding: 8px 0;
            transition: all var(--transition);
        }
        .site-header.scrolled .nav-card-panel {
            box-shadow: var(--shadow-md);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            padding: 6px 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-dark);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--brand-primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-categories {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 2px 0;
        }
        .nav-categories::-webkit-scrollbar {
            display: none;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            background: var(--brand-gray-100);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1.5px solid transparent;
            flex-shrink: 0;
            letter-spacing: 0.005em;
        }
        .nav-cat-chip:hover {
            background: var(--brand-gray-200);
            color: var(--text-primary);
            border-color: var(--brand-gray-300);
        }
        .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
            font-weight: 700;
        }
        .nav-cat-chip i {
            font-size: 0.82rem;
            opacity: 0.85;
        }
        .nav-cat-chip.active i {
            opacity: 1;
        }
        .nav-cta-btn {
            flex-shrink: 0;
            padding: 9px 20px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.88rem;
            background: var(--brand-dark);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-cta-btn:hover {
            background: var(--brand-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, var(--brand-dark) 0%, var(--brand-dark-2) 40%, var(--brand-dark-3) 100%);
            padding: 64px 0 80px;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
            pointer-events: none;
        }
        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.35) 0%, transparent 70%);
            top: -120px;
            right: -100px;
            z-index: 0;
            pointer-events: none;
        }
        .hero-content-wrapper {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-text-block {
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(244, 162, 97, 0.2);
            color: var(--brand-accent);
            font-weight: 700;
            font-size: 0.82rem;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            border: 1px solid rgba(244, 162, 97, 0.3);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: #fff;
        }
        .hero-title span {
            color: var(--brand-accent);
            position: relative;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-stats-row {
            display: flex;
            gap: 28px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--brand-accent);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.4);
        }
        .btn-hero-primary:hover {
            background: var(--brand-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(230, 57, 70, 0.5);
            color: #fff;
        }
        .btn-hero-outline {
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-card-promo {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
            position: relative;
            z-index: 1;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-card-promo .promo-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            background: #fff3cd;
            color: #b45309;
            font-weight: 700;
            font-size: 0.78rem;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .hero-card-promo .promo-title {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .hero-card-promo .promo-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
        }
        .hero-card-promo .promo-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .hero-card-promo .promo-features li {
            padding: 6px 0;
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-card-promo .promo-features li i {
            color: #10b981;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .hero-card-promo .promo-price-row {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 18px;
        }
        .hero-card-promo .promo-price {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--brand-primary);
        }
        .hero-card-promo .promo-price-original {
            font-size: 0.9rem;
            color: var(--text-muted);
            text-decoration: line-through;
        }
        .btn-promo-cta {
            display: block;
            width: 100%;
            padding: 13px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.02em;
        }
        .btn-promo-cta:hover {
            background: var(--brand-primary-dark);
            box-shadow: var(--shadow-lg);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-promo-trial {
            display: block;
            width: 100%;
            padding: 10px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            color: var(--brand-primary);
            border: 2px solid var(--brand-primary);
            transition: all var(--transition);
            text-align: center;
            margin-top: 8px;
            letter-spacing: 0.01em;
        }
        .btn-promo-trial:hover {
            background: rgba(230, 57, 70, 0.05);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            font-weight: 700;
            font-size: 0.78rem;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--brand-primary);
        }

        /* Pain Points */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: var(--brand-white);
            border-radius: var(--border-radius);
            padding: 28px 24px;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            position: relative;
        }
        .pain-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #fecaca;
            transform: translateY(-3px);
        }
        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #fef2f2;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .pain-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .pain-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Solution */
        .solution-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .solution-image-block {
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .solution-image-block img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .solution-text h3 {
            font-weight: 800;
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .solution-text p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .solution-checklist {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .solution-checklist li {
            padding: 7px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .solution-checklist li i {
            color: #10b981;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* Service Cards */
        .service-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            padding: 0;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--brand-gray-300);
        }
        .service-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .service-card-body {
            padding: 22px 20px;
        }
        .service-card-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .service-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }
        .service-card-body .service-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 700;
            background: rgba(230, 57, 70, 0.07);
            color: var(--brand-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        /* Data Coverage */
        .coverage-strip {
            background: var(--brand-dark);
            border-radius: var(--border-radius-lg);
            padding: 40px 36px;
            color: #fff;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .coverage-item .coverage-num {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--brand-accent);
            line-height: 1;
        }
        .coverage-item .coverage-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* Results */
        .results-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .results-image img {
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
        }
        .results-text h3 {
            font-weight: 800;
            font-size: 1.6rem;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .results-text p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .result-metric-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .result-metric {
            text-align: center;
            background: var(--brand-gray-100);
            border-radius: var(--border-radius);
            padding: 18px 20px;
            min-width: 100px;
            flex: 1;
        }
        .result-metric .metric-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--brand-primary);
        }
        .result-metric .metric-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--brand-white);
            border-radius: var(--border-radius);
            padding: 24px;
            border: 1px solid var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-card .t-stars {
            color: #f59e0b;
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .testimonial-card .t-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .t-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .testimonial-card .t-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Process */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-step .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            margin: 0 auto 14px;
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
            position: relative;
            z-index: 2;
        }
        .process-step h5 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .process-step p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .process-connector {
            position: absolute;
            top: 28px;
            left: 60%;
            width: 80%;
            height: 2px;
            background: var(--brand-gray-300);
            z-index: 1;
        }
        .process-step:last-child .process-connector {
            display: none;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--brand-gray-200);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--brand-gray-200);
        }
        .faq-item h5 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin: 0;
            gap: 16px;
        }
        .faq-item h5 i {
            transition: transform var(--transition-fast);
            color: var(--text-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open h5 i {
            transform: rotate(180deg);
            color: var(--brand-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 10px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-dark-3) 100%);
            border-radius: var(--border-radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.25) 0%, transparent 70%);
            top: -80px;
            right: -60px;
            z-index: 0;
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            padding: 14px 40px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--brand-accent);
            color: #1a1a2e;
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            box-shadow: 0 8px 28px rgba(244, 162, 97, 0.4);
        }
        .btn-cta-large:hover {
            background: var(--brand-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(244, 162, 97, 0.5);
            color: #1a1a2e;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin: 0;
        }
        .footer-col h5 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            padding: 4px 0;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-accent);
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }
        .footer-bottom-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
        }
        .footer-bottom-links a:hover {
            color: var(--brand-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .coverage-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .process-connector {
                display: none;
            }
            .results-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .nav-categories {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding: 4px 0;
            }
            .nav-cta-btn {
                order: 2;
                margin-left: auto;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 40px 0 48px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .coverage-strip {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 28px 20px;
            }
            .coverage-item .coverage-num {
                font-size: 1.8rem;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-card-promo {
                padding: 22px 18px;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .nav-cat-chip {
                padding: 6px 11px;
                font-size: 0.78rem;
                gap: 4px;
            }
            .nav-cat-chip i {
                font-size: 0.7rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                text-align: center;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .coverage-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .result-metric-row {
                flex-direction: column;
                gap: 10px;
            }
            .nav-categories {
                gap: 4px;
            }
            .nav-cat-chip {
                padding: 5px 9px;
                font-size: 0.72rem;
                border-radius: 18px;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-block {
                padding: 28px 0;
            }
        }

/* roulang page: category5 */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c1121f;
            --brand-accent: #f4a261;
            --brand-accent-hover: #e76f51;
            --brand-dark: #1a1a2e;
            --brand-dark-2: #16213e;
            --brand-dark-3: #0f3460;
            --brand-light: #f8f9fa;
            --brand-white: #ffffff;
            --brand-gray-100: #f1f3f5;
            --brand-gray-200: #e9ecef;
            --brand-gray-300: #dee2e6;
            --brand-gray-400: #ced4da;
            --brand-gray-500: #adb5bd;
            --brand-gray-600: #6c757d;
            --brand-gray-700: #495057;
            --brand-gray-800: #343a40;
            --brand-gray-900: #212529;
            --text-primary: #1a1a2e;
            --text-secondary: #495057;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border-color: #e0e0e0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 8px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 40px;
            --section-gap-sm: 28px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--brand-white);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--brand-white);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            border-bottom-color: var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
        }
        .nav-card-panel {
            background: var(--brand-white);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            padding: 8px 0;
            transition: all var(--transition);
        }
        .site-header.scrolled .nav-card-panel {
            box-shadow: var(--shadow-md);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            padding: 6px 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-dark);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--brand-primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-categories {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-gray-300) transparent;
            padding: 2px 0;
            -webkit-overflow-scrolling: touch;
        }
        .nav-categories::-webkit-scrollbar {
            height: 3px;
        }
        .nav-categories::-webkit-scrollbar-track {
            background: transparent;
        }
        .nav-categories::-webkit-scrollbar-thumb {
            background: var(--brand-gray-300);
            border-radius: 8px;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--brand-gray-100);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1.5px solid transparent;
            flex-shrink: 0;
        }
        .nav-cat-chip:hover {
            background: var(--brand-gray-200);
            color: var(--text-primary);
            border-color: var(--brand-gray-300);
        }
        .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.35);
        }
        .nav-cat-chip i {
            font-size: 0.8rem;
            opacity: 0.85;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
            flex-shrink: 0;
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.3);
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--brand-primary-dark), #a00d18);
            color: #fff;
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }

        /* ========== HERO - 裂变邀请 ========== */
        .hero-invite {
            position: relative;
            background: linear-gradient(170deg, var(--brand-dark) 0%, var(--brand-dark-2) 40%, var(--brand-dark-3) 100%);
            color: #fff;
            padding: 60px 0 70px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-invite::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -160px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-invite::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.14) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-invite .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-invite-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-invite-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-accent);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .hero-invite-badge i {
            color: #ffd700;
            font-size: 0.85rem;
        }
        .hero-invite h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            color: #fff;
        }
        .hero-invite h1 .highlight {
            background: linear-gradient(135deg, var(--brand-accent), #ffd700);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-invite-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-reward-cards {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-reward-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--border-radius);
            padding: 14px 18px;
            text-align: center;
            flex: 1;
            min-width: 100px;
            transition: all var(--transition-fast);
        }
        .hero-reward-card:hover {
            background: rgba(255, 255, 255, 0.13);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }
        .hero-reward-card .reward-icon {
            font-size: 1.6rem;
            margin-bottom: 6px;
            color: var(--brand-accent);
        }
        .hero-reward-card .reward-num {
            font-size: 1.5rem;
            font-weight: 900;
            color: #ffd700;
            line-height: 1;
        }
        .hero-reward-card .reward-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }
        .hero-progress-wrap {
            margin-bottom: 24px;
            max-width: 480px;
        }
        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .hero-progress {
            height: 10px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.15);
            overflow: hidden;
        }
        .hero-progress .progress-bar {
            background: linear-gradient(90deg, var(--brand-accent), #ffd700);
            border-radius: 10px;
            transition: width 0.6s ease;
        }
        .hero-btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-invite-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-dark);
            background: linear-gradient(135deg, #ffd700, var(--brand-accent));
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 24px rgba(244, 162, 97, 0.4);
            letter-spacing: 0.01em;
        }
        .btn-invite-primary:hover {
            background: linear-gradient(135deg, #ffe44d, var(--brand-accent-hover));
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(244, 162, 97, 0.55);
            color: var(--brand-dark);
        }
        .btn-invite-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
        }
        .btn-invite-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-visual-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--border-radius-lg);
            padding: 28px;
            text-align: center;
            backdrop-filter: blur(6px);
            max-width: 380px;
            width: 100%;
        }
        .hero-visual-card img {
            border-radius: var(--border-radius);
            margin-bottom: 16px;
            width: 100%;
        }
        .hero-visual-card .visual-stat {
            font-size: 2.4rem;
            font-weight: 900;
            color: #ffd700;
            line-height: 1;
        }
        .hero-visual-card .visual-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ========== SECTION COMMON ========== */
        .section-gap {
            padding: var(--section-gap) 0;
        }
        .section-gap-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--brand-primary);
            margin-bottom: 10px;
            background: rgba(230, 57, 70, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }

        /* ========== PAIN POINTS ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }
        .pain-card {
            background: var(--brand-white);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .pain-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: #fcc;
        }
        .pain-card .pain-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--brand-primary);
        }
        .pain-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .pain-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== SOLUTION ========== */
        .solution-block {
            background: var(--brand-gray-100);
            border-radius: var(--border-radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .solution-block img {
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-lg);
        }
        .solution-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--brand-gray-300);
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .solution-list li:last-child {
            border-bottom: none;
        }
        .solution-list li i {
            color: #28a745;
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 36px;
        }
        .feature-card {
            background: var(--brand-white);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--brand-accent);
        }
        .feature-card .ft-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--border-radius-sm);
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: #fff;
        }
        .feature-card h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .feature-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== RESULTS / DATA ========== */
        .results-strip {
            background: var(--brand-dark);
            border-radius: var(--border-radius-xl);
            padding: 40px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
            color: #fff;
        }
        .result-item .result-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffd700;
            line-height: 1;
        }
        .result-item .result-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }
        .testimonial-card {
            background: var(--brand-white);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            font-size: 1.5rem;
            color: var(--brand-accent);
            opacity: 0.5;
            margin-bottom: 10px;
        }
        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-card .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-gray-300);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--brand-dark);
            font-size: 0.9rem;
        }
        .testimonial-card .user-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .testimonial-card .user-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ========== SCENARIOS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 36px;
        }
        .scenario-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .scenario-card .scenario-body {
            padding: 20px;
        }
        .scenario-card h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .scenario-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== INVITE PROCESS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 36px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            color: #fff;
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }
        .process-step h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }
        .process-connector {
            position: absolute;
            top: 24px;
            left: calc(25% + 10px);
            width: calc(50% - 20px);
            height: 2px;
            background: var(--brand-gray-300);
            z-index: 1;
        }

        /* ========== REWARD TABLE ========== */
        .reward-table-wrap {
            overflow-x: auto;
            margin-top: 28px;
        }
        .reward-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .reward-table thead th {
            background: var(--brand-dark);
            color: #fff;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
        }
        .reward-table tbody td {
            padding: 14px 20px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--brand-gray-200);
            background: #fff;
        }
        .reward-table tbody tr:hover td {
            background: var(--brand-gray-100);
        }
        .reward-table .badge-reward {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(40, 167, 69, 0.1);
            color: #28a745;
        }
        .reward-table .badge-premium {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 215, 0, 0.2);
            color: #b8860b;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 36px auto 0;
        }
        .faq-wrap .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-wrap .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--brand-white);
            padding: 16px 20px;
            transition: all var(--transition-fast);
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            background: rgba(230, 57, 70, 0.04);
            color: var(--brand-primary);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-primary);
        }
        .faq-wrap .accordion-body {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding: 16px 20px;
            background: var(--brand-white);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--brand-dark) 0%, var(--brand-dark-3) 100%);
            border-radius: var(--border-radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--brand-dark);
            background: linear-gradient(135deg, #ffd700, var(--brand-accent));
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 8px 30px rgba(244, 162, 97, 0.45);
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-cta-large:hover {
            background: linear-gradient(135deg, #ffe44d, var(--brand-accent-hover));
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(244, 162, 97, 0.6);
            color: var(--brand-dark);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--brand-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-invite-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-invite h1 {
                font-size: 2rem;
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .results-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-connector {
                display: none;
            }
            .solution-block {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .nav-categories {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding-bottom: 4px;
            }
            .hero-invite {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .hero-invite h1 {
                font-size: 1.6rem;
            }
            .hero-invite-desc {
                font-size: 0.95rem;
            }
            .hero-reward-cards {
                flex-direction: column;
                gap: 8px;
            }
            .hero-reward-card {
                flex: none;
            }
            .hero-btn-group {
                flex-direction: column;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .results-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 28px 20px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .solution-block {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-gap {
                padding: 28px 0;
            }
            .reward-table thead th,
            .reward-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .hero-invite h1 {
                font-size: 1.35rem;
            }
            .hero-invite-desc {
                font-size: 0.85rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .results-strip {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .nav-cat-chip {
                padding: 6px 10px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category6 */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c1121f;
            --brand-accent: #f4a261;
            --brand-accent-hover: #e76f51;
            --brand-dark: #1a1a2e;
            --brand-dark-2: #16213e;
            --brand-dark-3: #0f3460;
            --brand-light: #f8f9fa;
            --brand-white: #ffffff;
            --brand-gray-100: #f1f3f5;
            --brand-gray-200: #e9ecef;
            --brand-gray-300: #dee2e6;
            --brand-gray-400: #ced4da;
            --brand-gray-500: #adb5bd;
            --brand-gray-600: #6c757d;
            --brand-gray-700: #495057;
            --brand-gray-800: #343a40;
            --brand-gray-900: #212529;
            --text-primary: #1a1a2e;
            --text-secondary: #495057;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border-color: #e0e0e0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 8px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 64px;
            --section-gap-sm: 40px;
            --esports-purple: #7c3aed;
            --esports-purple-dark: #6d28d9;
            --esports-cyan: #06b6d4;
            --esports-cyan-dark: #0891b2;
            --esports-glow: rgba(124, 58, 237, 0.35);
            --esports-cyan-glow: rgba(6, 182, 212, 0.3);
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--brand-white);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--brand-white);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            border-bottom-color: var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
        }
        .nav-card-panel {
            background: var(--brand-white);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            padding: 8px 0;
            transition: all var(--transition);
        }
        .site-header.scrolled .nav-card-panel {
            box-shadow: var(--shadow-md);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            padding: 6px 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-dark);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--brand-primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-categories {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 2px 0;
        }
        .nav-categories::-webkit-scrollbar {
            display: none;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--brand-gray-100);
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            border: 2px solid transparent;
        }
        .nav-cat-chip:hover {
            background: var(--brand-gray-200);
            color: var(--text-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary-dark);
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }
        .nav-cat-chip i {
            font-size: 0.85rem;
        }
        .nav-cta-btn {
            padding: 9px 20px;
            background: var(--brand-dark);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.875rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            border: none;
            margin-left: 4px;
        }
        .nav-cta-btn:hover {
            background: var(--brand-dark-2);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 6px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== HERO SECTION ========== */
        .hero-esports {
            position: relative;
            background:
                linear-gradient(180deg, rgba(26, 26, 46, 0.88) 0%, rgba(22, 33, 62, 0.82) 40%, rgba(15, 52, 96, 0.78) 100%),
                url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 60px 0 70px;
            overflow: hidden;
        }
        .hero-esports::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                radial-gradient(ellipse at 25% 30%, rgba(124, 58, 237, 0.25) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(6, 182, 212, 0.2) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(230, 57, 70, 0.18) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-esports .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-esports-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-esports-left {
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            backdrop-filter: blur(8px);
        }
        .hero-esports-left h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-esports-left h1 .highlight {
            background: linear-gradient(135deg, var(--esports-cyan), #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-esports-left .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            margin-bottom: 24px;
            max-width: 480px;
        }
        .hero-reward-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--border-radius-xl);
            padding: 22px 24px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            color: #fff;
            margin-bottom: 20px;
        }
        .hero-reward-card .reward-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-reward-card .reward-title i {
            color: #fbbf24;
            font-size: 1rem;
        }
        .hero-reward-card .reward-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 12px;
        }
        .reward-progress-wrap {
            margin-bottom: 6px;
        }
        .reward-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 6px;
        }
        .reward-progress {
            height: 8px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 50px;
            overflow: hidden;
        }
        .reward-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            border-radius: 50px;
            transition: width 0.6s ease;
            position: relative;
        }
        .reward-progress-bar::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 16px;
            height: 16px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(251, 191, 36, 0.6);
        }
        .hero-btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .btn-invite {
            padding: 13px 28px;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #1a1a2e;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(251, 191, 36, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-invite:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(251, 191, 36, 0.55);
            color: #1a1a2e;
        }
        .btn-outline-light-custom {
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 255, 255, 0.15);
        }
        .hero-esports-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-stat-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--border-radius-lg);
            padding: 20px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            color: #fff;
            text-align: center;
            transition: all var(--transition);
        }
        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.13);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }
        .hero-stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #fff, #a5f3fc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }
        .hero-stat-card .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        .hero-stats-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        /* ========== SECTION COMMON ========== */
        .section-gap {
            padding: var(--section-gap) 0;
        }
        .section-gap-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 600px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-title {
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== PAIN POINTS SECTION ========== */
        .pain-section {
            background: var(--brand-gray-100);
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: #fff;
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            text-align: center;
        }
        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .pain-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fef2f2;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: var(--brand-primary);
        }
        .pain-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-dark);
        }
        .pain-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== SOLUTION SECTION ========== */
        .solution-section {
            background: var(--brand-white);
        }
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .solution-image-wrap {
            position: relative;
            border-radius: var(--border-radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .solution-image-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--border-radius-xl);
        }
        .solution-image-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }
        .solution-text h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .solution-text p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .solution-features {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .solution-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .solution-features li i {
            color: #10b981;
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== DATA SECTION ========== */
        .data-section {
            background: var(--brand-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .data-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.2) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(6, 182, 212, 0.18) 0%, transparent 55%);
            pointer-events: none;
        }
        .data-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .data-section .section-title {
            color: #fff;
        }
        .data-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--border-radius-lg);
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }
        .data-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        }
        .data-card .data-number {
            font-size: 2.6rem;
            font-weight: 900;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }
        .data-card .data-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== TOURNAMENT CARDS ========== */
        .tournament-section {
            background: var(--brand-white);
        }
        .tournament-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .tournament-card {
            background: #fff;
            border-radius: var(--border-radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
        }
        .tournament-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }
        .tournament-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .tournament-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .tournament-card:hover .tournament-card-img img {
            transform: scale(1.06);
        }
        .tournament-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
        }
        .tournament-card-body {
            padding: 18px 20px;
        }
        .tournament-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--brand-dark);
        }
        .tournament-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .tournament-card-meta {
            display: flex;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .tournament-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== ACHIEVEMENT SECTION ========== */
        .achievement-section {
            background: var(--brand-gray-100);
        }
        .achievement-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .achievement-card {
            background: #fff;
            border-radius: var(--border-radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
        }
        .achievement-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .achievement-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: linear-gradient(135deg, #eef2ff, #e0e7ff);
            color: #6366f1;
        }
        .achievement-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }
        .achievement-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-section {
            background: var(--brand-white);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--brand-gray-100);
            border-radius: var(--border-radius-xl);
            padding: 28px 24px;
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--brand-primary);
            opacity: 0.3;
            position: absolute;
            top: 16px;
            right: 20px;
        }
        .testimonial-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-gray-300);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--brand-dark);
            font-size: 0.9rem;
        }
        .testimonial-author strong {
            display: block;
            font-size: 0.9rem;
            color: var(--brand-dark);
        }
        .testimonial-author span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--brand-gray-100);
        }
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--border-radius);
            margin-bottom: 12px;
            border: 1px solid var(--brand-gray-200);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--brand-gray-100);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--brand-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-dark), var(--brand-dark-2));
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 40% 50%, rgba(124, 58, 237, 0.25) 0%, transparent 55%),
                radial-gradient(ellipse at 65% 30%, rgba(6, 182, 212, 0.2) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-primary {
            padding: 14px 36px;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #1a1a2e;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            box-shadow: 0 6px 28px rgba(251, 191, 36, 0.45);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(251, 191, 36, 0.6);
            color: #1a1a2e;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin: 0;
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-esports-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-esports {
                min-height: auto;
                padding: 48px 0 56px;
            }
            .hero-esports-left h1 {
                font-size: 2.1rem;
            }
            .hero-stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tournament-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .achievement-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-categories {
                gap: 4px;
            }
            .nav-cat-chip {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 768px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-categories {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding: 4px 0;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-cta-btn {
                display: none;
            }
            .nav-cta-btn.mobile-visible {
                display: inline-flex;
            }
            .hero-esports-left h1 {
                font-size: 1.7rem;
            }
            .hero-stats-row {
                grid-template-columns: 1fr;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tournament-grid {
                grid-template-columns: 1fr;
            }
            .achievement-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-gap {
                padding: 40px 0;
            }
            .section-gap-sm {
                padding: 28px 0;
            }
            .hero-reward-card {
                padding: 16px;
            }
            .btn-invite,
            .btn-outline-light-custom {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-esports-left h1 {
                font-size: 1.4rem;
            }
            .hero-esports {
                padding: 32px 0 40px;
            }
            .hero-btn-group {
                flex-direction: column;
                gap: 8px;
            }
            .hero-btn-group .btn-invite,
            .hero-btn-group .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .tournament-card-img {
                height: 160px;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .nav-cat-chip {
                padding: 5px 8px;
                font-size: 0.72rem;
                gap: 3px;
            }
            .nav-cat-chip i {
                font-size: 0.7rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category7 */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c1121f;
            --brand-accent: #f4a261;
            --brand-accent-hover: #e76f51;
            --brand-dark: #1a1a2e;
            --brand-dark-2: #16213e;
            --brand-dark-3: #0f3460;
            --brand-light: #f8f9fa;
            --brand-white: #ffffff;
            --brand-gray-100: #f1f3f5;
            --brand-gray-200: #e9ecef;
            --brand-gray-300: #dee2e6;
            --brand-gray-400: #ced4da;
            --brand-gray-500: #adb5bd;
            --brand-gray-600: #6c757d;
            --brand-gray-700: #495057;
            --brand-gray-800: #343a40;
            --brand-gray-900: #212529;
            --text-primary: #1a1a2e;
            --text-secondary: #495057;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border-color: #e0e0e0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 8px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--brand-white);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--brand-white);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
            padding: 0;
        }

        .site-header.scrolled {
            border-bottom-color: var(--brand-gray-200);
            box-shadow: var(--shadow-sm);
        }

        .nav-card-panel {
            background: var(--brand-white);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            padding: 8px 0;
            transition: all var(--transition);
        }

        .site-header.scrolled .nav-card-panel {
            box-shadow: var(--shadow-md);
            border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            padding: 6px 0;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-dark);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--brand-primary);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--brand-gray-100);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            border: 1.5px solid transparent;
            letter-spacing: 0.005em;
        }

        .nav-cat-chip:hover {
            background: var(--brand-gray-200);
            color: var(--text-primary);
            border-color: var(--brand-gray-300);
        }

        .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.3);
        }

        .nav-cat-chip i {
            font-size: 0.85rem;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--brand-dark);
            color: #fff;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.875rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            border: none;
        }

        .nav-cta-btn:hover {
            background: var(--brand-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: var(--border-radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--brand-gray-100);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #f8f9fb 0%, #eef1f7 40%, #fdf6f3 100%);
            padding: 64px 0 56px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            padding-right: 16px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--brand-primary);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
            border: 1px solid rgba(230, 57, 70, 0.15);
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.22;
            color: var(--brand-dark);
            margin-bottom: 16px;
            letter-spacing: -0.025em;
        }

        .hero-title .highlight {
            color: var(--brand-primary);
            position: relative;
            display: inline-block;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background: rgba(244, 162, 97, 0.35);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
            letter-spacing: 0.01em;
        }

        .btn-hero-primary:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.4);
            transform: translateY(-2px);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--brand-white);
            color: var(--brand-dark);
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--brand-gray-300);
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .btn-hero-outline:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-demo-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-xl);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            width: 100%;
            max-width: 480px;
            border: 1px solid var(--brand-gray-200);
        }

        .hero-demo-card-header {
            background: var(--brand-dark);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .hero-demo-dots {
            display: flex;
            gap: 5px;
        }

        .hero-demo-dots span {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #ff5f57;
            display: block;
        }

        .hero-demo-dots span:nth-child(2) {
            background: #ffbd2e;
        }

        .hero-demo-dots span:nth-child(3) {
            background: #28c840;
        }

        .hero-demo-card-body {
            padding: 16px;
        }

        .hero-demo-card-body img {
            border-radius: var(--border-radius);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .hero-demo-card-footer {
            padding: 12px 18px;
            border-top: 1px solid var(--brand-gray-200);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .hero-demo-badge-live {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #ff4757;
            color: #fff;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            animation: pulse-live 2s infinite;
        }

        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-block-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--brand-primary);
            margin-bottom: 10px;
            background: rgba(230, 57, 70, 0.06);
            padding: 5px 14px;
            border-radius: 16px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--brand-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.65;
        }

        .section-title-sm {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.015em;
            line-height: 1.3;
        }

        /* ========== PAIN POINTS ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .pain-card {
            background: var(--brand-white);
            border: 1px solid var(--brand-gray-200);
            border-radius: var(--border-radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            border-color: #ffc9c9;
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--brand-primary);
            border-radius: 0 4px 4px 0;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .pain-card:hover::before {
            opacity: 1;
        }

        .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--border-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            background: #fff5f5;
            color: var(--brand-primary);
        }

        .pain-card h4 {
            font-weight: 800;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--brand-dark);
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        /* ========== SOLUTION ========== */
        .solution-section {
            background: var(--brand-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .solution-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .solution-section .section-label {
            background: rgba(255, 255, 255, 0.12);
            color: #f4a261;
        }

        .solution-section .section-title {
            color: #fff;
        }

        .solution-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 36px;
            position: relative;
            z-index: 1;
        }

        .solution-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--border-radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }

        .solution-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
        }

        .solution-card .solution-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(244, 162, 97, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: #f4a261;
        }

        .solution-card h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
            color: #fff;
        }

        .solution-card p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--brand-gray-200);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--brand-gray-300);
            transform: translateY(-4px);
        }

        .feature-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }

        .feature-card-body {
            padding: 20px 18px;
        }

        .feature-card-body h4 {
            font-weight: 800;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--brand-dark);
        }

        .feature-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        .feature-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
            background: #fff0f0;
            color: var(--brand-primary);
        }

        /* ========== STATS ========== */
        .stats-section {
            background: linear-gradient(135deg, #fdf6f3 0%, #f8f9fb 100%);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            padding: 28px 16px;
            background: var(--brand-white);
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-gray-200);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--brand-primary);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .stat-unit {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-muted);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--brand-white);
            border: 1px solid var(--brand-gray-200);
            border-radius: var(--border-radius-lg);
            padding: 24px 20px;
            transition: all var(--transition);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 12px;
            left: 16px;
            font-size: 3rem;
            color: rgba(230, 57, 70, 0.12);
            font-weight: 900;
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #ffc9c9;
            transform: translateY(-3px);
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--brand-gray-200);
            padding-top: 14px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-gray-200);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--brand-primary);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--brand-dark);
        }

        .testimonial-role {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== SCENARIOS ========== */
        .scenarios-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            background: var(--brand-white);
            border-radius: var(--border-radius);
            border: 1px solid var(--brand-gray-200);
            transition: all var(--transition);
        }

        .scenario-item:hover {
            border-color: var(--brand-accent);
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }

        .scenario-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .scenario-content h5 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--brand-dark);
        }

        .scenario-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--brand-gray-100);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--brand-white);
            border-radius: var(--border-radius);
            margin-bottom: 12px;
            border: 1px solid var(--brand-gray-200);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--brand-gray-300);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: all var(--transition-fast);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--brand-primary);
            background: #fefefe;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition);
            color: var(--text-muted);
        }

        .faq-item.open .faq-icon {
            background: var(--brand-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--brand-dark) 0%, var(--brand-dark-2) 60%, var(--brand-dark-3) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .section-title {
            color: #fff;
            position: relative;
            z-index: 1;
        }

        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 36px;
            background: var(--brand-accent);
            color: #fff;
            border-radius: 30px;
            font-weight: 800;
            font-size: 1.1rem;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(244, 162, 97, 0.4);
            position: relative;
            z-index: 1;
            letter-spacing: 0.01em;
        }

        .btn-cta-lg:hover {
            background: var(--brand-accent-hover);
            color: #fff;
            box-shadow: 0 10px 36px rgba(244, 162, 97, 0.55);
            transform: translateY(-3px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h5 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 7px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--brand-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom-links {
            display: flex;
            gap: 14px;
            margin-left: auto;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--brand-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content {
                padding-right: 0;
                text-align: center;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-row {
                justify-content: center;
            }
            .hero-visual {
                max-width: 420px;
                margin: 0 auto;
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-categories {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding-bottom: 4px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-cat-chip {
                font-size: 0.78rem;
                padding: 6px 10px;
                gap: 4px;
            }
            .nav-cta-btn {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
            .hero-section {
                padding: 40px 0 36px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .solution-grid {
                grid-template-columns: 1fr 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .scenarios-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom-links {
                margin-left: 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            :root {
                --section-gap: 36px;
                --section-gap-sm: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-cta-row {
                flex-direction: column;
                width: 100%;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .nav-cat-chip {
                font-size: 0.72rem;
                padding: 5px 9px;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            :root {
                --section-gap: 28px;
                --section-gap-sm: 20px;
            }
        }