/* roulang page: index */
:root {
            --color-primary: #1a5f8a;
            --color-primary-dark: #124a6e;
            --color-primary-light: #e8f2f8;
            --color-accent: #e8832b;
            --color-accent-hover: #c96e1f;
            --color-bg: #f7f9fb;
            --color-surface: #ffffff;
            --color-text: #1c2838;
            --color-text-secondary: #5a6b7c;
            --color-text-weak: #8a9aab;
            --color-border: #e2e8f0;
            --color-border-light: #eef2f6;
            --color-success: #2d9d5a;
            --color-warning: #f0a030;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        /* Sidebar */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #fff;
            border-right: 1px solid var(--color-border);
            z-index: 100;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            overflow-y: auto;
            transition: transform var(--transition-normal);
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--color-border-light);
            flex-shrink: 0;
        }
        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            text-decoration: none;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            list-style: none;
            margin: 0;
        }
        .sidebar-nav li {
            margin-bottom: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .sidebar-nav a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--color-border-light);
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            text-align: center;
        }

        /* Main content */
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
        }

        /* Mobile header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-sm);
        }
        .mobile-header .brand-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }
        .mobile-header .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 6px;
            margin-right: 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-header .hamburger-btn:hover {
            background: var(--color-primary-light);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 98;
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* Container */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Section */
        .section-block {
            padding: 48px 0;
        }
        .section-block.section-alt {
            background: #fff;
        }
        .section-block.section-dark {
            background: #0f2638;
            color: #e8edf2;
        }
        .section-block.section-primary-bg {
            background: var(--color-primary);
            color: #fff;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: inherit;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 620px;
        }
        .section-dark .section-subtitle,
        .section-primary-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .section-dark .section-title,
        .section-primary-bg .section-title {
            color: #fff;
        }

        /* Hero */
        .hero-section {
            padding: 40px 0 50px;
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
        }
        .hero-compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
            margin-top: 20px;
        }
        .hero-compare-card {
            background: #f9fafb;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
        }
        .hero-compare-card.recommended {
            border-color: var(--color-primary);
            background: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            z-index: 2;
        }
        .hero-compare-card.recommended .recommend-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 16px;
            border-radius: 20px;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .hero-compare-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .hero-compare-card .price-tag {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin: 10px 0;
        }
        .hero-compare-card .price-tag small {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--color-text-weak);
        }
        .hero-compare-card ul {
            list-style: none;
            padding: 0;
            margin: 14px 0;
            text-align: left;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
        }
        .hero-compare-card ul li {
            padding: 5px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .hero-compare-card ul li i {
            color: var(--color-success);
            margin-right: 6px;
        }
        .hero-compare-card ul li i.fa-times {
            color: #c0c8d4;
        }
        .btn {
            display: inline-block;
            padding: 11px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            transition: all var(--transition-fast);
            border: none;
            text-decoration: none;
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        /* Card */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 12px;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Metric */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }
        .metric-card .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        /* Compare table */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            min-width: 600px;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }
        .compare-table th {
            background: #f8fafc;
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.95rem;
        }
        .compare-table .highlight-col {
            background: #f0f7fb;
            font-weight: 600;
        }
        .compare-table .check-green {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .compare-table .cross-gray {
            color: #c0c8d4;
            font-size: 1.1rem;
        }

        /* FAQ */
        .faq-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .faq-list li {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            margin-bottom: 10px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .faq-list li:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .faq-list li .faq-q {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-list li .faq-q i {
            color: var(--color-primary);
            font-size: 0.85rem;
        }
        .faq-list li .faq-a {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding-left: 24px;
        }

        /* News list */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .news-list li:hover {
            background: #fafcfd;
            padding-left: 8px;
            border-radius: var(--radius-sm);
        }
        .news-list .news-date {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            white-space: nowrap;
            flex-shrink: 0;
            padding-top: 3px;
            font-weight: 500;
        }
        .news-list .news-content h4 {
            font-size: 0.98rem;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--color-text);
        }
        .news-list .news-content p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .news-list .news-content .btn-sm {
            margin-top: 6px;
        }

        /* Tag */
        .tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--color-primary-light);
            color: var(--color-primary);
            margin: 3px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .tag:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, #1a5f8a 0%, #0f3d58 100%);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .cta-box h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-box .btn-accent {
            font-size: 1.05rem;
            padding: 13px 30px;
            border-radius: var(--radius-lg);
        }

        /* Footer */
        .site-footer {
            background: #1a2432;
            color: #a8b8c8;
            padding: 36px 0 24px;
            font-size: 0.85rem;
            line-height: 1.8;
        }
        .site-footer a {
            color: #c8d6e0;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 20px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            text-align: center;
            font-size: 0.8rem;
            color: #7a8a9a;
        }
        .site-footer .footer-bottom a {
            color: #9aaaba;
            margin: 0 8px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-compare-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-compare-card.recommended {
                transform: none;
                grid-column: 1 / -1;
                order: -1;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .content-container {
                padding: 0 18px;
            }
            .section-block {
                padding: 36px 0;
            }
        }

        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                box-shadow: var(--shadow-xl);
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .app-main {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .app-main {
                padding-top: 56px;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .hero-compare-grid {
                grid-template-columns: 1fr;
            }
            .hero-compare-card.recommended {
                transform: none;
                order: -1;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .content-container {
                padding: 0 14px;
            }
            .section-block {
                padding: 28px 0;
            }
            .compare-table-wrap {
                font-size: 0.8rem;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .metric-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-compare-card .price-tag {
                font-size: 1.5rem;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.95rem;
            }
            .news-list li {
                flex-direction: column;
                gap: 6px;
            }
            .section-title {
                font-size: 1.2rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a5f8a;
            --color-primary-dark: #124a6e;
            --color-primary-light: #e8f2f8;
            --color-accent: #e8832b;
            --color-accent-hover: #c96e1f;
            --color-bg: #f7f9fb;
            --color-surface: #ffffff;
            --color-text: #1c2838;
            --color-text-secondary: #5a6b7c;
            --color-text-weak: #8a9aab;
            --color-border: #e2e8f0;
            --color-border-light: #eef2f6;
            --color-success: #2d9d5a;
            --color-warning: #f0a030;
            --color-danger: #d9444a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            display: flex;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }

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

        /* Sidebar */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #fff;
            border-right: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            z-index: 100;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-normal);
            overflow-y: auto;
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--color-border-light);
            flex-shrink: 0;
        }
        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            text-decoration: none;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            list-style: none;
            margin: 0;
        }
        .sidebar-nav li {
            margin-bottom: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .sidebar-nav a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--color-border-light);
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            text-align: center;
        }

        /* Main content */
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            width: calc(100% - var(--sidebar-width));
        }

        /* Mobile header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-sm);
        }
        .mobile-header .brand-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }
        .mobile-header .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 6px;
            margin-right: 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-header .hamburger-btn:hover {
            background: var(--color-primary-light);
        }

        /* Overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 98;
            transition: opacity var(--transition-normal);
        }
        .sidebar-overlay.active {
            display: block;
        }

        /* Content Container */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .content-container-wide {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Section */
        .section-block {
            padding: 52px 0;
        }
        .section-block.section-alt {
            background: #fff;
        }
        .section-block.section-dark {
            background: #0f2638;
            color: #e8edf2;
        }
        .section-block.section-primary-bg {
            background: var(--color-primary);
            color: #fff;
        }
        .section-block.section-primary-bg h2,
        .section-block.section-primary-bg h3 {
            color: #fff;
        }
        .section-block.section-light-accent {
            background: #fef9f4;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 600px;
        }
        .section-title.centered,
        .section-subtitle.centered {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* Hero */
        .hero-promo {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin: 0 24px;
        }
        .hero-promo::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 95, 138, 0.88) 0%, rgba(18, 74, 110, 0.78) 100%);
            z-index: 1;
        }
        .hero-promo-content {
            position: relative;
            z-index: 2;
            padding: 48px 40px;
            max-width: 650px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 30px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            animation: pulse-badge 2.2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 131, 43, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 131, 43, 0);
            }
        }
        .hero-promo-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .hero-promo-content .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .hero-promo-content .hero-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.15);
            padding: 8px 16px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
        }
        .hero-meta-item i {
            color: var(--color-accent);
            font-size: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 30px;
            border: none;
            text-decoration: none;
            transition: all var(--transition-normal);
            cursor: pointer;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 131, 43, 0.35);
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 6px 22px rgba(232, 131, 43, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 95, 138, 0.3);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 95, 138, 0.4);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 36px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 24px;
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .card-icon.blue {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .card-icon.orange {
            background: #fef3e8;
            color: var(--color-accent);
        }
        .card-icon.green {
            background: #e8f6ef;
            color: var(--color-success);
        }
        .card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .card p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        /* Metric cards */
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .metric-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .metric-value.accent {
            color: var(--color-accent);
        }
        .metric-value.success {
            color: var(--color-success);
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .metric-trend {
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 6px;
        }
        .metric-trend.up {
            color: var(--color-success);
        }
        .metric-trend.down {
            color: var(--color-danger);
        }

        /* Comparison */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
            border: 1px solid var(--color-border-light);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }
        .comparison-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            text-align: center;
            font-size: 0.9rem;
            white-space: nowrap;
        }
        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .comparison-table tbody td {
            padding: 12px 16px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-secondary);
        }
        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text);
        }
        .comparison-table tbody tr:hover {
            background: var(--color-primary-light);
        }
        .comparison-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .comparison-table .dash-icon {
            color: var(--color-text-weak);
        }
        .comparison-table .highlight-col {
            background: #fef9f4;
        }
        .comparison-table tbody tr.highlight-col:hover {
            background: #fef3e8;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--color-text-weak);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* CTA Form */
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-xl);
            max-width: 600px;
            margin: 0 auto;
            border: 1px solid var(--color-border-light);
        }
        .cta-form-card h3 {
            text-align: center;
            margin-bottom: 6px;
            font-size: 1.4rem;
        }
        .cta-form-card .form-subtitle {
            text-align: center;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            font-size: 0.9rem;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color var(--transition-fast);
            background: var(--color-bg);
            color: var(--color-text);
            margin-bottom: 14px;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            background: #fff;
        }
        .form-input::placeholder {
            color: var(--color-text-weak);
        }
        .form-select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-family: inherit;
            background: var(--color-bg);
            color: var(--color-text);
            margin-bottom: 14px;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a9aab' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            cursor: pointer;
        }
        .form-select:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            background: #fff;
        }
        .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 1.05rem;
            font-weight: 700;
            border-radius: 30px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(232, 131, 43, 0.3);
        }
        .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(232, 131, 43, 0.45);
            transform: translateY(-2px);
        }

        /* Process steps */
        .step-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
        }
        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 1;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 48px;
            left: calc(50% + 32px);
            width: calc(100% - 64px);
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }
        .step-item h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* Tags */
        .tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .tag-hot {
            background: #fde8e8;
            color: #c0392b;
        }
        .tag-new {
            background: #e8f6ef;
            color: #1e7a45;
        }
        .tag-popular {
            background: #fef3e8;
            color: #c96e1f;
        }

        /* Testimonial */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            height: 100%;
        }
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 18px;
            font-size: 3rem;
            color: var(--color-border);
            font-weight: 700;
            line-height: 1;
            font-family: Georgia, serif;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-style: italic;
            padding-top: 10px;
            margin-bottom: 12px;
        }
        .testimonial-author {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text);
        }
        .testimonial-author span {
            color: var(--color-text-weak);
            font-weight: 400;
            font-size: 0.8rem;
        }

        /* Footer */
        .site-footer {
            background: #0f2638;
            color: #c8d6e0;
            padding: 40px 0 24px;
            font-size: 0.85rem;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            margin-bottom: 24px;
        }
        .site-footer a {
            color: #a8b8c8;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            color: #8898a8;
            font-size: 0.8rem;
        }
        .site-footer .footer-bottom p {
            margin: 4px 0;
        }
        .site-footer .footer-bottom a {
            color: #8898a8;
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-promo-content h1 {
                font-size: 2rem;
            }
            .hero-promo {
                margin: 0 12px;
                min-height: 340px;
            }
            .hero-promo-content {
                padding: 32px 24px;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .metric-value {
                font-size: 2rem;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .app-main {
                margin-left: 0;
                width: 100%;
            }
            .mobile-header {
                display: flex;
            }
            .app-main {
                padding-top: 56px;
            }
            .hero-promo {
                margin: 0;
                border-radius: 0;
                min-height: 300px;
            }
            .hero-promo-content {
                padding: 28px 18px;
            }
            .hero-promo-content h1 {
                font-size: 1.6rem;
            }
            .hero-promo-content .hero-desc {
                font-size: 0.9rem;
            }
            .hero-meta {
                gap: 8px;
            }
            .hero-meta-item {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 13px 26px;
                font-size: 1rem;
            }
            .section-block {
                padding: 28px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .content-container {
                padding: 0 14px;
            }
            .content-container-wide {
                padding: 0 14px;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }
            .comparison-table {
                min-width: 550px;
                font-size: 0.78rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 8px 10px;
            }
            .step-list {
                flex-direction: column;
                gap: 12px;
            }
            .step-item {
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 14px;
                padding: 12px 0;
            }
            .step-number {
                margin: 0;
                flex-shrink: 0;
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .hero-promo-content h1 {
                font-size: 1.35rem;
            }
            .hero-promo {
                min-height: 260px;
            }
            .hero-promo-content {
                padding: 22px 14px;
            }
            .hero-meta {
                flex-direction: column;
                gap: 6px;
            }
            .metric-value {
                font-size: 1.7rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .btn-lg {
                width: 100%;
                justify-content: center;
            }
            .card {
                padding: 16px;
            }
            .comparison-table {
                min-width: 440px;
                font-size: 0.7rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a5f8a;
            --color-primary-dark: #124a6e;
            --color-primary-light: #e8f2f8;
            --color-accent: #e8832b;
            --color-accent-hover: #c96e1f;
            --color-bg: #f7f9fb;
            --color-surface: #ffffff;
            --color-text: #1c2838;
            --color-text-secondary: #5a6b7c;
            --color-text-weak: #8a9aab;
            --color-border: #e2e8f0;
            --color-border-light: #eef2f6;
            --color-success: #2d9d5a;
            --color-warning: #f0a030;
            --color-danger: #d94a3a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            display: flex;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text);
            line-height: 1.3;
            margin-top: 0;
        }

        /* ========== SIDEBAR ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: #fff;
            border-right: 1px solid var(--color-border);
            z-index: 100;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-normal);
            overflow-y: auto;
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--color-border-light);
            flex-shrink: 0;
        }
        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            text-decoration: none;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            list-style: none;
            margin: 0;
        }
        .sidebar-nav li {
            margin-bottom: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .sidebar-nav a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--color-border-light);
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            text-align: center;
        }

        /* ========== MAIN CONTENT ========== */
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
        }

        /* ========== MOBILE HEADER ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-sm);
        }
        .mobile-header .brand-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }
        .mobile-header .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 6px;
            margin-right: 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-header .hamburger-btn:hover {
            background: var(--color-primary-light);
        }

        /* ========== SIDEBAR OVERLAY ========== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 98;
            transition: opacity var(--transition-normal);
        }
        .sidebar-overlay.active {
            display: block;
        }

        /* ========== CONTENT CONTAINER ========== */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .content-container-wide {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== SECTION ========== */
        .section-block {
            padding: 52px 0;
        }
        .section-block.section-alt {
            background: #fff;
        }
        .section-block.section-dark {
            background: #0f2638;
            color: #e8edf2;
        }
        .section-block.section-dark h2,
        .section-block.section-dark h3,
        .section-block.section-dark h4 {
            color: #fff;
        }
        .section-block.section-dark .text-secondary {
            color: #bcc8d4;
        }
        .section-block.section-primary-bg {
            background: var(--color-primary);
            color: #e8f2f8;
        }
        .section-block.section-primary-bg h2,
        .section-block.section-primary-bg h3 {
            color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
            color: var(--color-text);
        }
        .section-title.light {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 680px;
        }
        .section-subtitle.light {
            color: #bcc8d4;
        }

        /* ========== HERO - 创作者主页头图风格 ========== */
        .hero-creator {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            overflow: hidden;
        }
        .hero-creator::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 38, 56, 0.88) 0%, rgba(26, 95, 138, 0.78) 50%, rgba(15, 38, 56, 0.85) 100%);
            z-index: 1;
        }
        .hero-creator .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 32px;
            width: 100%;
        }
        .hero-avatar-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 26px;
            text-align: center;
            box-shadow: var(--shadow-xl);
            flex-shrink: 0;
            width: 220px;
        }
        .hero-avatar-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            color: #fff;
            font-size: 2rem;
            box-shadow: var(--shadow-lg);
        }
        .hero-avatar-card .hero-nickname {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .hero-avatar-card .hero-role {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-bottom: 12px;
        }
        .hero-badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 14px;
        }
        .hero-badge {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .hero-follow-btn {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .hero-follow-btn:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .hero-info-block {
            flex: 1;
            min-width: 260px;
            color: #fff;
        }
        .hero-info-block h1 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .hero-info-block .hero-tagline {
            font-size: 1.05rem;
            color: #d0dde8;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .hero-stat-cards {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stat-card {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            text-align: center;
            min-width: 90px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-stat-card .stat-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
        }
        .hero-stat-card .stat-label {
            font-size: 0.78rem;
            color: #c0d0dc;
            margin-top: 4px;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border-light);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-primary-light);
        }
        .metric-card .metric-icon {
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .metric-card .metric-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.2;
        }
        .metric-card .metric-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }
        .metric-card .metric-change {
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 4px;
        }
        .metric-card .metric-change.up {
            color: var(--color-success);
        }
        .metric-card .metric-change.down {
            color: var(--color-danger);
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-primary-light);
        }
        .service-card .service-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .service-card .service-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .service-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .service-card .service-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .service-card .service-tag {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            align-self: flex-start;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-width: 700px;
        }
        .comparison-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            white-space: nowrap;
        }
        .comparison-table tbody td {
            padding: 12px 16px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text-secondary);
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tbody tr:hover td {
            background: #f8fafc;
        }
        .comparison-table .match-cell {
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
        }
        .comparison-table .badge-hit {
            display: inline-block;
            background: #e6f7ee;
            color: #1a7a3a;
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .comparison-table .badge-miss {
            display: inline-block;
            background: #fdecea;
            color: #b5382a;
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.8rem;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }
        .process-step .step-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .process-step .step-desc {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }
        .process-connector {
            display: none;
        }

        /* ========== LEAGUE CARDS ========== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .league-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .league-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .league-card .league-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.4rem;
            color: var(--color-primary);
        }
        .league-card .league-name {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .league-card .league-count {
            font-size: 0.82rem;
            color: var(--color-text-weak);
        }

        /* ========== TOOLS GRID ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .tool-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-fast);
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .tool-card .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--color-primary);
        }
        .tool-card .tool-info h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .tool-card .tool-info p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fafcfd;
        }
        .faq-question .faq-icon {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--color-text-weak);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* ========== CTA FORM ========== */
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-lg);
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            border: 1px solid var(--color-border-light);
        }
        .cta-form-card h3 {
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .cta-form-card .cta-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }
        .cta-form-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form-row input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color var(--transition-fast);
            outline: none;
            background: #fafcfd;
        }
        .cta-form-row input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
        }
        .cta-submit-btn {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-family: inherit;
        }
        .cta-submit-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1e2c;
            color: #c0d0dc;
            padding: 40px 0 24px;
            font-size: 0.88rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-bottom: 24px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .site-footer a {
            color: #a0b8c8;
            text-decoration: none;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: #8899a8;
        }
        .site-footer .footer-bottom p {
            margin: 3px 0;
        }
        .site-footer .footer-bottom a {
            color: #a0b8c8;
            font-size: 0.8rem;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tools-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-creator {
                min-height: 360px;
            }
            .hero-info-block h1 {
                font-size: 1.7rem;
            }
            .hero-avatar-card {
                width: 180px;
                padding: 20px 16px;
            }
        }

        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                box-shadow: var(--shadow-xl);
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay.active {
                display: block;
            }
            .app-main {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-header {
                display: flex;
            }
            .hero-creator {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            .hero-avatar-card {
                width: 180px;
            }
            .hero-stat-cards {
                justify-content: center;
            }
            .hero-info-block h1 {
                font-size: 1.5rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .league-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .comparison-table {
                min-width: 600px;
                font-size: 0.78rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .hero-stat-card {
                min-width: 70px;
                padding: 12px 14px;
            }
            .hero-stat-card .stat-value {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 16px 12px;
            }
            .metric-card .metric-value {
                font-size: 1.4rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .league-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-stat-cards {
                gap: 8px;
            }
            .hero-stat-card {
                min-width: 60px;
                padding: 10px 10px;
            }
            .hero-stat-card .stat-value {
                font-size: 1.1rem;
            }
            .hero-stat-card .stat-label {
                font-size: 0.7rem;
            }
            .hero-avatar-card {
                width: 150px;
                padding: 16px 12px;
            }
            .hero-avatar-icon {
                width: 50px;
                height: 50px;
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .cta-form-row {
                flex-direction: column;
            }
            .cta-form-row input {
                min-width: 100%;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .comparison-table {
                min-width: 500px;
                font-size: 0.7rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 8px 10px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a5f8a;
            --color-primary-dark: #124a6e;
            --color-primary-light: #e8f2f8;
            --color-accent: #e8832b;
            --color-accent-hover: #c96e1f;
            --color-bg: #f7f9fb;
            --color-surface: #ffffff;
            --color-text: #1c2838;
            --color-text-secondary: #5a6b7c;
            --color-text-weak: #8a9aab;
            --color-border: #e2e8f0;
            --color-border-light: #eef2f6;
            --color-success: #2d9d5a;
            --color-warning: #f0a030;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text);
            margin-top: 0;
            font-weight: 700;
            line-height: 1.3;
        }

        /* Sidebar */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #fff;
            border-right: 1px solid var(--color-border);
            z-index: 100;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-normal);
            overflow-y: auto;
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--color-border-light);
            flex-shrink: 0;
        }
        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            text-decoration: none;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            list-style: none;
            margin: 0;
        }
        .sidebar-nav li {
            margin-bottom: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .sidebar-nav a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--color-border-light);
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            text-align: center;
        }

        /* Main content */
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            min-height: 100vh;
        }

        /* Mobile header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-sm);
        }
        .mobile-header .brand-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }
        .mobile-header .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 6px;
            margin-right: 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-header .hamburger-btn:hover {
            background: var(--color-primary-light);
        }

        /* Sidebar overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 98;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .sidebar-overlay.active {
            display: block;
            opacity: 1;
        }

        /* Container */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Section */
        .section-block {
            padding: 48px 0;
        }
        .section-block.section-alt {
            background: #fff;
        }
        .section-block.section-dark {
            background: #0f2638;
            color: #e8edf2;
        }
        .section-block.section-dark h2,
        .section-block.section-dark h3 {
            color: #fff;
        }
        .section-block.section-dark p {
            color: #c8d4de;
        }
        .section-block.section-primary-bg {
            background: var(--color-primary);
            color: #fff;
        }
        .section-block.section-primary-bg h2,
        .section-block.section-primary-bg h3 {
            color: #fff;
        }
        .section-block.section-primary-bg p {
            color: #d0e2f0;
        }
        .section-block.section-accent-bg {
            background: var(--color-accent);
            color: #fff;
        }
        .section-block.section-accent-bg h2,
        .section-block.section-accent-bg h3 {
            color: #fff;
        }
        .section-block.section-accent-bg p {
            color: #ffe8d4;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 6px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 640px;
        }

        /* Cards */
        .card-custom {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-custom .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .card-custom .card-icon.icon-blue {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .card-custom .card-icon.icon-accent {
            background: #fef5ed;
            color: var(--color-accent);
        }
        .card-custom .card-icon.icon-success {
            background: #eaf7ef;
            color: var(--color-success);
        }
        .card-custom h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .card-custom p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Buttons */
        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            text-align: center;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-accent {
            display: inline-block;
            padding: 12px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            text-align: center;
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-block;
            padding: 11px 26px;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            text-align: center;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-outline-white {
            display: inline-block;
            padding: 11px 26px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            text-align: center;
            cursor: pointer;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        /* Badge / Tag */
        .badge-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-tag.tag-primary {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .badge-tag.tag-accent {
            background: #fef5ed;
            color: var(--color-accent);
        }
        .badge-tag.tag-success {
            background: #eaf7ef;
            color: var(--color-success);
        }
        .badge-tag.tag-warning {
            background: #fef9ee;
            color: var(--color-warning);
        }

        /* Hero */
        .hero-live {
            position: relative;
            background: linear-gradient(135deg, #0a1f30 0%, #143450 40%, #1a5f8a 100%);
            color: #fff;
            padding: 64px 0 56px;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-live::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(232, 131, 43, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-live::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(26, 95, 138, 0.4) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-live .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }
        .hero-live .hero-text {
            flex: 1 1 400px;
            min-width: 280px;
        }
        .hero-live .hero-text h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .hero-live .hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: #c8d8e6;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .hero-live .hero-panel {
            flex: 0 0 340px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            text-align: center;
            min-width: 280px;
        }
        .hero-live .hero-panel .group-progress {
            margin-bottom: 16px;
        }
        .hero-live .hero-panel .group-count {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .hero-live .hero-panel .group-label {
            font-size: 0.9rem;
            color: #b8ccdc;
            margin-top: 2px;
        }
        .hero-live .hero-panel .group-bar-wrap {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            height: 8px;
            margin: 12px 0;
            overflow: hidden;
        }
        .hero-live .hero-panel .group-bar-fill {
            height: 100%;
            background: var(--color-accent);
            border-radius: 10px;
            transition: width 0.6s ease;
        }
        .hero-live .hero-panel .group-avatars {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-bottom: 14px;
        }
        .hero-live .hero-panel .group-avatars .avatar-dot {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #4a8ab5;
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: #fff;
            font-weight: 600;
        }
        .hero-live .hero-panel .group-avatars .avatar-dot.avatar-empty {
            background: rgba(255, 255, 255, 0.2);
            border-style: dashed;
            color: rgba(255, 255, 255, 0.5);
        }
        .hero-live .hero-panel .btn-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-live .hero-panel .btn-row .btn-accent,
        .hero-live .hero-panel .btn-row .btn-outline-white {
            flex: 1;
            min-width: 100px;
            padding: 10px 16px;
            font-size: 0.9rem;
        }

        /* Data stat cards */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }
        .stat-card .stat-trend {
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 4px;
        }
        .stat-card .stat-trend.up {
            color: var(--color-success);
        }
        .stat-card .stat-trend.hot {
            color: var(--color-accent);
        }

        /* Match card */
        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .match-card .match-thumb {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: #e8edf2;
        }
        .match-card .match-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .match-card:hover .match-thumb img {
            transform: scale(1.05);
        }
        .match-card .match-thumb .live-dot {
            position: absolute;
            top: 10px;
            right: 10px;
            background: #e03030;
            color: #fff;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 0.72rem;
            font-weight: 700;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }
        .match-card .match-info {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .match-card .match-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .match-card .match-info .match-meta {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin-bottom: 8px;
        }
        .match-card .match-info .match-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            flex: 1;
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .match-card .match-info .btn-sm {
            align-self: flex-start;
            padding: 7px 16px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .match-card .match-info .btn-sm:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        /* Comparison table */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            min-width: 600px;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .compare-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            border: none;
        }
        .compare-table thead th:first-child {
            text-align: left;
            padding-left: 20px;
        }
        .compare-table thead th.highlight-col {
            background: var(--color-accent);
        }
        .compare-table tbody td {
            padding: 12px 16px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.88rem;
            color: var(--color-text-secondary);
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text);
            padding-left: 20px;
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover td {
            background: #fafcfd;
        }
        .compare-table .check-icon {
            color: var(--color-success);
            font-size: 1rem;
        }
        .compare-table .dash-icon {
            color: #c0c8d0;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-question {
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--color-text);
        }
        .faq-item .faq-question .faq-arrow {
            color: var(--color-text-weak);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            margin-top: 10px;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-item.open {
            border-color: var(--color-primary);
            background: #fafdfe;
        }

        /* CTA form */
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-form-card .form-group {
            margin-bottom: 16px;
        }
        .cta-form-card label {
            display: block;
            font-weight: 600;
            font-size: 0.88rem;
            margin-bottom: 5px;
            color: var(--color-text);
        }
        .cta-form-card input,
        .cta-form-card select {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-family: inherit;
            transition: border-color var(--transition-fast);
            background: #fafbfc;
            color: var(--color-text);
        }
        .cta-form-card input:focus,
        .cta-form-card select:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.1);
            background: #fff;
        }
        .cta-form-card .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .cta-form-card .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* Testimonial */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            position: relative;
        }
        .testimonial-card .testimonial-quote {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .testimonial-author .author-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-card .testimonial-author .author-name {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text);
        }
        .testimonial-card .testimonial-author .author-role {
            font-size: 0.75rem;
            color: var(--color-text-weak);
        }

        /* Feature list */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 9px;
            color: var(--color-success);
            font-size: 0.8rem;
        }

        /* Footer */
        .site-footer {
            background: #0f1e2c;
            color: #c8d4de;
            padding: 40px 0 24px;
            font-size: 0.85rem;
            line-height: 1.8;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-bottom: 24px;
        }
        .site-footer .footer-grid h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 8px;
        }
        .site-footer .footer-grid a {
            color: #a8b8c8;
            text-decoration: none;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-footer .footer-grid a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            color: #8899aa;
            font-size: 0.8rem;
        }
        .site-footer .footer-bottom a {
            color: #a8b8c8;
            text-decoration: none;
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom p {
            margin-bottom: 4px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-live .hero-content {
                flex-direction: column;
                gap: 24px;
            }
            .hero-live .hero-panel {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .hero-live .hero-text h1 {
                font-size: 1.9rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .app-main {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-header {
                display: flex;
            }
            .sidebar-overlay {
                display: none;
            }
            .sidebar-overlay.active {
                display: block;
                opacity: 1;
            }
            .hero-live {
                padding: 40px 0 36px;
                min-height: auto;
            }
            .hero-live .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-live .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-live .hero-panel {
                padding: 20px 16px;
            }
            .hero-live .hero-panel .group-count {
                font-size: 2.4rem;
            }
            .section-block {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .content-container {
                padding: 0 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .cta-form-card {
                padding: 24px 16px;
            }
            .stat-card .stat-value {
                font-size: 1.7rem;
            }
            .match-card .match-thumb {
                height: 140px;
            }
        }

        @media (max-width: 520px) {
            .hero-live .hero-text h1 {
                font-size: 1.35rem;
            }
            .hero-live .hero-panel .btn-row {
                flex-direction: column;
            }
            .hero-live .hero-panel .btn-row .btn-accent,
            .hero-live .hero-panel .btn-row .btn-outline-white {
                width: 100%;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .card-custom {
                padding: 16px;
            }
            .btn-primary,
            .btn-accent,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a5f8a;
            --color-primary-dark: #124a6e;
            --color-primary-light: #e8f2f8;
            --color-accent: #e8832b;
            --color-accent-hover: #c96e1f;
            --color-bg: #f7f9fb;
            --color-surface: #ffffff;
            --color-text: #1c2838;
            --color-text-secondary: #5a6b7c;
            --color-text-weak: #8a9aab;
            --color-border: #e2e8f0;
            --color-border-light: #eef2f6;
            --color-success: #2d9d5a;
            --color-warning: #f0a030;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            display: flex;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .app-sidebar {
            width: var(--sidebar-width);
            height: 100vh;
            position: fixed;
            top: 0;
            left: 0;
            background: var(--color-surface);
            border-right: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            z-index: 100;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition-normal);
        }
        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--color-border-light);
            flex-shrink: 0;
        }
        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            text-decoration: none;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            flex-shrink: 0;
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            list-style: none;
            margin: 0;
            overflow-y: auto;
        }
        .sidebar-nav li {
            margin-bottom: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .sidebar-nav a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--color-border-light);
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            text-align: center;
        }
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-sm);
        }
        .mobile-header .brand-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }
        .mobile-header .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 6px;
            margin-right: 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-header .hamburger-btn:hover {
            background: var(--color-primary-light);
        }
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-block {
            padding: 48px 0;
        }
        .section-block.section-alt {
            background: #fff;
        }
        .section-block.section-dark {
            background: #0f2638;
            color: #e8edf2;
        }
        .section-block.section-primary-bg {
            background: var(--color-primary);
            color: #fff;
        }
        .hero-news {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
            color: #fff;
        }
        .hero-news::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(15, 38, 56, 0.9) 0%, rgba(15, 38, 56, 0.7) 50%, rgba(15, 38, 56, 0.4) 100%);
        }
        .hero-news .content-container {
            position: relative;
            z-index: 2;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            border-left: 4px solid var(--color-primary);
            transition: transform var(--transition-fast);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .stat-label {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-top: 6px;
            font-weight: 500;
        }
        .card-news {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-news:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-news img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .card-news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-news-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-news-body p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            flex: 1;
            margin-bottom: 12px;
        }
        .tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--color-primary-light);
            color: var(--color-primary);
            margin-right: 6px;
            margin-bottom: 6px;
        }
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 12px;
        }
        .comparison-table th {
            text-align: left;
            padding: 12px 16px;
            background: none;
            font-weight: 600;
            color: var(--color-text);
            border-bottom: 2px solid var(--color-border);
        }
        .comparison-table td {
            padding: 14px 16px;
            background: #fff;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
            vertical-align: middle;
        }
        .comparison-table .highlight-row td {
            background: var(--color-primary-light);
            font-weight: 600;
            color: var(--color-primary-dark);
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--color-text-secondary);
            display: none;
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
            box-shadow: 0 4px 12px rgba(232, 131, 43, 0.3);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(232, 131, 43, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .site-footer {
            background: #0f2638;
            color: #a8b8c8;
            padding: 40px 0 24px;
            font-size: 0.9rem;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-bottom: 24px;
        }
        .footer-grid a {
            color: #a8b8c8;
            text-decoration: none;
            margin-right: 8px;
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #7a8a9a;
        }
        .footer-bottom a {
            color: #7a8a9a;
            margin: 0 8px;
        }
        @media (max-width: 1024px) {
            .app-sidebar {
                transform: translateX(-100%);
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .app-main {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            body {
                padding-top: 56px;
            }
            .hero-news {
                padding: 60px 0;
            }
            .section-block {
                padding: 32px 0;
            }
        }
        @media (max-width: 640px) {
            .content-container {
                padding: 0 16px;
            }
            .stat-value {
                font-size: 1.8rem;
            }
            .comparison-table {
                font-size: 0.8rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a5f8a;
            --color-primary-dark: #124a6e;
            --color-primary-light: #e8f2f8;
            --color-accent: #e8832b;
            --color-accent-hover: #c96e1f;
            --color-bg: #f7f9fb;
            --color-surface: #ffffff;
            --color-text: #1c2838;
            --color-text-secondary: #5a6b7c;
            --color-text-weak: #8a9aab;
            --color-border: #e2e8f0;
            --color-border-light: #eef2f6;
            --color-success: #2d9d5a;
            --color-warning: #f0a030;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            display: flex;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.6em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

        h1 {
            font-size: 2.2rem;
        }
        h2 {
            font-size: 1.75rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
        }

        p {
            margin: 0 0 1em;
            color: var(--color-text-secondary);
        }

        /* Sidebar */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--color-surface);
            border-right: 1px solid var(--color-border);
            z-index: 100;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-normal);
            overflow-y: auto;
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--color-border-light);
            flex-shrink: 0;
        }

        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            text-decoration: none;
        }

        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            list-style: none;
            margin: 0;
        }

        .sidebar-nav li {
            margin-bottom: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .sidebar-nav a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }

        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--color-border-light);
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            text-align: center;
        }

        /* Main content */
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            width: calc(100% - var(--sidebar-width));
        }

        /* Mobile header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-sm);
        }

        .mobile-header .brand-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }

        .mobile-header .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 6px;
            margin-right: 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-header .hamburger-btn:hover {
            background: var(--color-primary-light);
        }

        /* Sidebar overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 99;
            transition: opacity var(--transition-normal);
        }

        .sidebar-overlay.active {
            display: block;
        }

        /* Container */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .content-container-wide {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Section */
        .section-block {
            padding: 52px 0;
        }

        .section-block.section-alt {
            background: #fff;
        }

        .section-block.section-dark {
            background: #0f2638;
            color: #e8edf2;
        }

        .section-block.section-dark h2,
        .section-block.section-dark h3,
        .section-block.section-dark h4 {
            color: #fff;
        }

        .section-block.section-dark p {
            color: #c5d0d9;
        }

        .section-block.section-primary-bg {
            background: var(--color-primary);
            color: #fff;
        }

        .section-block.section-primary-bg h2,
        .section-block.section-primary-bg h3 {
            color: #fff;
        }

        .section-block.section-primary-bg p {
            color: rgba(255, 255, 255, 0.85);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 680px;
            line-height: 1.6;
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            transition: all var(--transition-fast);
            border: 2px solid transparent;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

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

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-outline-white:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .card-icon.blue {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .card-icon.accent {
            background: #fef5ed;
            color: var(--color-accent);
        }

        .card-icon.green {
            background: #eaf7ef;
            color: var(--color-success);
        }

        .card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

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

        /* Badge */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .badge-accent {
            background: #fef5ed;
            color: var(--color-accent);
        }

        .badge-success {
            background: #eaf7ef;
            color: var(--color-success);
        }

        /* Stat card */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        /* Hero */
        .hero-data {
            position: relative;
            background: linear-gradient(135deg, #0d3b5c 0%, #1a5f8a 40%, #1e6da3 70%, #0d3b5c 100%);
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-data::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-data .hero-overlay {
            position: relative;
            z-index: 1;
            width: 100%;
            padding: 40px 0;
        }

        .hero-data h1 {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .hero-data .hero-subtitle {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            margin-bottom: 20px;
            max-width: 550px;
            line-height: 1.6;
        }

        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(0, 0, 0, 0.35);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: 14px 24px;
            border-radius: var(--radius-lg);
            margin-bottom: 22px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            flex-wrap: wrap;
        }

        .countdown-bar .countdown-item {
            text-align: center;
            min-width: 50px;
        }

        .countdown-bar .countdown-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }

        .countdown-bar .countdown-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .countdown-bar .countdown-sep {
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 300;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Table / Comparison */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .comparison-table th,
        .comparison-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }

        .comparison-table th {
            background: var(--color-primary-light);
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .highlight-row {
            background: #fafffe;
        }

        .comparison-table .check-icon {
            color: var(--color-success);
            font-weight: 700;
        }

        .comparison-table .dash-icon {
            color: var(--color-text-weak);
        }

        /* Process steps */
        .process-steps {
            display: flex;
            gap: 0;
            flex-wrap: wrap;
            position: relative;
        }

        .process-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            padding: 20px 16px;
            position: relative;
        }

        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin: 0 auto 12px;
            position: relative;
            z-index: 1;
        }

        .process-step .step-connector {
            position: absolute;
            top: 44px;
            left: 60%;
            width: 80%;
            height: 3px;
            background: var(--color-border);
            z-index: 0;
        }

        .process-step:last-child .step-connector {
            display: none;
        }

        .process-step h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            font-size: 0.95rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--color-primary-light);
        }

        .faq-question .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--color-text-weak);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* Form */
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }

        .cta-form-card input[type="text"],
        .cta-form-card input[type="email"],
        .cta-form-card input[type="tel"],
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-family: inherit;
            transition: border-color var(--transition-fast);
            background: #fafbfc;
            color: var(--color-text);
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.1);
            background: #fff;
        }

        .cta-form-card label {
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 4px;
            display: block;
            color: var(--color-text);
        }

        /* Footer */
        .site-footer {
            background: #0f1e2c;
            color: #c5d0d9;
            padding: 40px 0 24px;
            font-size: 0.85rem;
            line-height: 1.8;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            margin-bottom: 24px;
        }

        .site-footer a {
            color: #a8b8c8;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .site-footer a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            text-align: center;
            font-size: 0.78rem;
            color: #8a9aab;
        }

        .site-footer .footer-bottom a {
            color: #8a9aab;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }

            .hero-data h1 {
                font-size: 2rem;
            }

            .stat-number {
                font-size: 2rem;
            }

            .content-container {
                padding: 0 18px;
            }
        }

        @media screen and (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                box-shadow: var(--shadow-xl);
            }

            .app-sidebar.mobile-open {
                transform: translateX(0);
            }

            .app-main {
                margin-left: 0;
                width: 100%;
            }

            .mobile-header {
                display: flex;
            }

            .app-main {
                padding-top: 56px;
            }

            .hero-data {
                min-height: 340px;
            }

            .hero-data h1 {
                font-size: 1.6rem;
            }

            .hero-data .hero-subtitle {
                font-size: 0.9rem;
            }

            .countdown-bar {
                padding: 10px 16px;
                gap: 8px;
            }

            .countdown-bar .countdown-value {
                font-size: 1.3rem;
            }

            .section-block {
                padding: 32px 0;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .process-steps {
                flex-direction: column;
                gap: 16px;
            }

            .process-step .step-connector {
                display: none;
            }

            .process-step {
                flex: none;
                min-width: auto;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }

            .hero-buttons .btn {
                width: 100%;
                text-align: center;
            }

            .comparison-table {
                font-size: 0.78rem;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 10px 8px;
                font-size: 0.75rem;
            }

            .cta-form-card {
                padding: 20px;
            }

            .card {
                padding: 18px;
            }
        }

        @media screen and (max-width: 520px) {
            .hero-data h1 {
                font-size: 1.35rem;
            }

            .countdown-bar .countdown-value {
                font-size: 1.1rem;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .btn-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }

            .content-container {
                padding: 0 12px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a5f8a;
            --color-primary-dark: #124a6e;
            --color-primary-light: #e8f2f8;
            --color-accent: #e8832b;
            --color-accent-hover: #c96e1f;
            --color-bg: #f7f9fb;
            --color-surface: #ffffff;
            --color-text: #1c2838;
            --color-text-secondary: #5a6b7c;
            --color-text-weak: #8a9aab;
            --color-border: #e2e8f0;
            --color-border-light: #eef2f6;
            --color-success: #2d9d5a;
            --color-warning: #f0a030;
            --color-danger: #d94040;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            display: flex;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        /* Sidebar */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #fff;
            border-right: 1px solid var(--color-border);
            z-index: 100;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-normal);
            overflow-y: auto;
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--color-border-light);
            flex-shrink: 0;
        }

        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            text-decoration: none;
        }

        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            list-style: none;
            margin: 0;
        }

        .sidebar-nav li {
            margin-bottom: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .sidebar-nav a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }

        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid var(--color-border-light);
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            text-align: center;
        }

        /* Main content */
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            width: 100%;
        }

        /* Mobile header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-sm);
        }

        .mobile-header .brand-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }

        .mobile-header .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 6px;
            margin-right: 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-header .hamburger-btn:hover {
            background: var(--color-primary-light);
        }

        /* Sidebar overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 98;
            transition: opacity var(--transition-normal);
        }

        .sidebar-overlay.active {
            display: block;
            opacity: 1;
        }

        /* Container */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .content-container-wide {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Section */
        .section-block {
            padding: 56px 0;
        }

        .section-block.section-alt {
            background: #fff;
        }

        .section-block.section-dark {
            background: #0f2638;
            color: #e8edf2;
        }

        .section-block.section-primary-bg {
            background: var(--color-primary);
            color: #fff;
        }

        .section-block.section-accent-bg {
            background: var(--color-accent);
            color: #fff;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
        }

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

        .section-dark .section-subtitle {
            color: #bcc8d4;
        }

        .section-primary-bg .section-title {
            color: #fff;
        }

        .section-primary-bg .section-subtitle {
            color: #d0dde8;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

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

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

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

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }

        .btn-lg {
            padding: 15px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-accent-top {
            border-top: 4px solid var(--color-accent);
        }

        .card-primary-top {
            border-top: 4px solid var(--color-primary);
        }

        /* Badge / Tag */
        .badge {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .badge-primary {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .badge-accent {
            background: #fef5ed;
            color: var(--color-accent);
        }

        .badge-success {
            background: #e8f5ed;
            color: var(--color-success);
        }

        .badge-warning {
            background: #fef9ed;
            color: var(--color-warning);
        }

        /* Hero */
        .hero-esports {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 30%;
            overflow: hidden;
        }

        .hero-esports::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15, 38, 56, 0.88) 0%, rgba(15, 38, 56, 0.7) 40%, rgba(26, 95, 138, 0.65) 100%);
            z-index: 1;
        }

        .hero-esports .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        .hero-esports .hero-label {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 131, 43, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 131, 43, 0);
            }
        }

        .hero-esports .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.2;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .hero-esports .hero-subtitle {
            font-size: 1.1rem;
            color: #d0dde8;
            margin-bottom: 24px;
            line-height: 1.6;
            max-width: 600px;
        }

        /* Countdown bar */
        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 0, 0, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 16px 24px;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .countdown-bar .countdown-label {
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            margin-right: 4px;
            white-space: nowrap;
        }

        .countdown-bar .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 48px;
        }

        .countdown-bar .countdown-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            letter-spacing: 0.02em;
        }

        .countdown-bar .countdown-unit {
            font-size: 0.7rem;
            color: #bcc8d4;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .countdown-bar .countdown-sep {
            font-size: 1.4rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1;
            padding-bottom: 8px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Stats dashboard */
        .stats-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-card .stat-icon {
            font-size: 1.6rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.1;
            letter-spacing: -0.01em;
        }

        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        .stat-card .stat-change {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 12px;
            margin-top: 6px;
        }

        .stat-change.up {
            background: #e8f5ed;
            color: var(--color-success);
        }

        .stat-change.down {
            background: #fde8e8;
            color: var(--color-danger);
        }

        .stat-card .stat-spark {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-primary);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            opacity: 0.3;
        }

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

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .service-card .service-icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            transition: all var(--transition-normal);
        }

        .service-card .service-icon-circle.blue {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .service-card .service-icon-circle.orange {
            background: #fef5ed;
            color: var(--color-accent);
        }

        .service-card .service-icon-circle.green {
            background: #e8f5ed;
            color: var(--color-success);
        }

        .service-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* Tournament cards */
        .tournament-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .tournament-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .tournament-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .tournament-card .tournament-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .tournament-card .tournament-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }

        .tournament-card:hover .tournament-img img {
            transform: scale(1.05);
        }

        .tournament-card .tournament-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .tournament-card .tournament-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .tournament-card .tournament-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
            flex: 1;
        }

        .tournament-card .tournament-meta {
            display: flex;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            flex-wrap: wrap;
        }

        /* Steps */
        .steps-list {
            display: flex;
            gap: 24px;
            counter-reset: step;
            flex-wrap: wrap;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            position: relative;
            padding: 24px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            counter-increment: step;
            transition: all var(--transition-normal);
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .step-item::before {
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 12px;
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

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

        /* Comparison table */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
            border: 1px solid var(--color-border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }

        .comparison-table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        .comparison-table th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tr:hover td {
            background: #fafcfd;
        }

        .comparison-table .highlight-col {
            background: #fefdf7;
        }

        .comparison-table .check-icon {
            color: var(--color-success);
            font-weight: 700;
        }

        .comparison-table .dash-icon {
            color: var(--color-text-weak);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            padding: 16px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0f2638 0%, #1a5f8a 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            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(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: #d0dde8;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-form-inline {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-section .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-section .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .cta-section .cta-input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }

        /* Footer */
        .site-footer {
            background: #0f1e2c;
            color: #c0ccd6;
            padding: 40px 0 24px;
            font-size: 0.88rem;
            line-height: 1.7;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 24px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .site-footer a {
            color: #b0c0d0;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            text-align: center;
            font-size: 0.8rem;
            color: #8898a8;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 16px;
        }

        .site-footer .footer-bottom p {
            margin: 0;
        }

        .site-footer .footer-bottom a {
            color: #8898a8;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .app-sidebar {
                transform: translateX(-100%);
            }

            .app-sidebar.open {
                transform: translateX(0);
            }

            .app-main {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .app-main {
                padding-top: 56px;
            }

            .hero-esports {
                min-height: 400px;
            }

            .hero-esports .hero-title {
                font-size: 1.9rem;
            }

            .stats-dashboard {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tournament-grid {
                grid-template-columns: 1fr;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .countdown-bar {
                gap: 4px;
                padding: 12px 16px;
            }

            .countdown-bar .countdown-value {
                font-size: 1.3rem;
            }

            .countdown-bar .countdown-item {
                min-width: 36px;
            }
        }

        @media (max-width: 640px) {
            .hero-esports {
                min-height: 360px;
            }

            .hero-esports .hero-title {
                font-size: 1.5rem;
            }

            .hero-esports .hero-subtitle {
                font-size: 0.9rem;
            }

            .stats-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 14px 10px;
            }

            .stat-card .stat-value {
                font-size: 1.5rem;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .tournament-grid {
                grid-template-columns: 1fr;
            }

            .steps-list {
                flex-direction: column;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }

            .countdown-bar {
                gap: 2px;
                padding: 10px 12px;
                flex-wrap: wrap;
                justify-content: center;
            }

            .countdown-bar .countdown-value {
                font-size: 1.1rem;
            }

            .countdown-bar .countdown-item {
                min-width: 30px;
            }

            .countdown-bar .countdown-label {
                font-size: 0.75rem;
                width: 100%;
                text-align: center;
                margin-bottom: 4px;
            }

            .section-block {
                padding: 36px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
            }

            .cta-section h3 {
                font-size: 1.4rem;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }

            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 400px) {
            .stats-dashboard {
                grid-template-columns: 1fr;
            }

            .hero-esports .hero-title {
                font-size: 1.3rem;
            }

            .countdown-bar .countdown-value {
                font-size: 1rem;
            }

            .countdown-bar .countdown-sep {
                font-size: 1rem;
            }
        }