/* roulang page: index */
:root {
            --bg-page: #081724;
            --bg-panel: #0B1E30;
            --bg-card: rgba(15, 35, 55, 0.68);
            --bg-card-hover: rgba(21, 45, 68, 0.85);
            --border-glass: rgba(148, 187, 233, 0.18);
            --primary: #38BDF8;
            --primary-cyan: #22D3EE;
            --accent-green: #22C55E;
            --accent-lime: #A3E635;
            --warn-amber: #F59E0B;
            --text-main: #EAF2FB;
            --text-secondary: #94A3B8;
            --text-weak: #64748B;
            --radius-card: 16px;
            --radius-panel: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(56, 189, 248, 0.18);
            --transition-base: all 0.25s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-cyan);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 23, 36, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }
        .site-header:hover {
            background: rgba(11, 30, 48, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #081724;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo-text:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 0 14px;
            height: 42px;
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
        }
        .header-search i {
            color: var(--text-weak);
            font-size: 14px;
            margin-right: 8px;
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--text-weak);
        }
        .version-switch {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .version-btn {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            height: 36px;
            white-space: nowrap;
        }
        .version-btn:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--text-main);
        }
        .version-btn.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
        }
        .site-nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .site-nav-desktop::-webkit-scrollbar {
            display: none;
        }
        .site-nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }
        .site-nav-desktop a:hover {
            color: var(--text-main);
            background: rgba(56, 189, 248, 0.08);
            text-decoration: none;
        }
        .site-nav-desktop a.active {
            color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
            border-color: rgba(56, 189, 248, 0.25);
        }
        .layout-with-sidebar {
            display: flex;
            gap: 28px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 28px 24px 0;
        }
        .sidebar-doc {
            width: 260px;
            flex-shrink: 0;
            position: sticky;
            top: 96px;
            height: fit-content;
            max-height: calc(100vh - 120px);
            overflow-y: auto;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            padding: 20px 16px;
            scrollbar-width: thin;
            scrollbar-color: rgba(56, 189, 248, 0.3) transparent;
        }
        .sidebar-doc::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-doc::-webkit-scrollbar-thumb {
            background: rgba(56, 189, 248, 0.3);
            border-radius: 2px;
        }
        .sidebar-doc-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-doc-title i {
            color: var(--primary);
            font-size: 14px;
        }
        .sidebar-doc-group {
            margin-bottom: 6px;
        }
        .sidebar-doc-group-label {
            font-size: 12px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .sidebar-doc a {
            display: block;
            padding: 8px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition-base);
            border-left: 2px solid transparent;
        }
        .sidebar-doc a:hover {
            background: rgba(56, 189, 248, 0.08);
            color: var(--text-main);
            text-decoration: none;
            border-left-color: var(--primary);
        }
        .sidebar-doc a.active {
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            border-left-color: var(--primary);
        }
        .main-content {
            flex: 1;
            min-width: 0;
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 90;
            backdrop-filter: blur(4px);
        }
        .sidebar-overlay.show {
            display: block;
        }
        section {
            margin-bottom: 72px;
            scroll-margin-top: 88px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-label::before {
            content: '';
            display: inline-block;
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.85;
            max-width: 800px;
        }
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            overflow: hidden;
        }
        .glass-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            color: #081724;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
            min-height: 44px;
            white-space: nowrap;
        }
        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.55);
            transform: translateY(-2px);
            color: #081724;
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
            filter: brightness(0.9);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-main);
            font-weight: 500;
            font-size: 15px;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-glass);
            cursor: pointer;
            transition: var(--transition-base);
            min-height: 44px;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(56, 189, 248, 0.08);
            border-color: var(--primary);
            color: var(--text-main);
            text-decoration: none;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.3px;
        }
        .badge-live {
            background: rgba(34, 197, 94, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(34, 197, 94, 0.3);
        }
        .badge-cyan {
            background: rgba(56, 189, 248, 0.15);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.3);
        }
        .badge-amber {
            background: rgba(245, 158, 11, 0.15);
            color: var(--warn-amber);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .badge-neutral {
            background: rgba(148, 163, 184, 0.12);
            color: var(--text-secondary);
            border: 1px solid rgba(148, 163, 184, 0.25);
        }
        .divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-glass), transparent);
            margin: 40px 0;
        }
        .image-frame {
            position: relative;
            overflow: hidden;
            border-radius: 14px;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
        }
        .image-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .image-frame:hover img {
            transform: scale(1.04);
        }
        .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 23, 36, 0.8), transparent 50%);
        }
        .news-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--border-glass);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-date {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
        }
        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition-base);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-weak);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }
        .form-input {
            width: 100%;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-btn);
            padding: 11px 16px;
            color: var(--text-main);
            font-size: 15px;
            height: 44px;
            transition: var(--transition-base);
            outline: none;
        }
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
        }
        .form-input::placeholder {
            color: var(--text-weak);
        }
        select.form-input {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        .footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-glass);
            padding: 32px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .footer-text {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .stat-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
            padding: 10px 16px;
            background: rgba(15, 35, 55, 0.6);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            min-width: 90px;
        }
        .stat-number {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-cyan);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 0.5px;
        }
        .price-card {
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
        }
        .price-card.featured {
            border: 1px solid rgba(56, 189, 248, 0.5);
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.2);
        }
        .price-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            color: #081724;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
        }
        .price-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
        }
        .price-amount {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-cyan);
        }
        .price-unit {
            font-size: 14px;
            color: var(--text-weak);
            font-weight: 400;
        }
        .price-features {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .price-features li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .price-features li i {
            color: var(--accent-green);
            font-size: 14px;
        }
        .timeline-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-glass);
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-dot {
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 6px;
            box-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
        }
        .timeline-dot.live {
            background: var(--accent-green);
            box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
            }
            50% {
                box-shadow: 0 0 16px rgba(34, 197, 94, 0.9);
            }
        }
        .score-display {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
        }
        .score-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-cyan);
            letter-spacing: 1px;
        }
        .score-number.live-score {
            color: var(--accent-green);
        }
        @media (max-width: 1024px) {
            .sidebar-doc {
                position: fixed;
                left: -280px;
                top: 64px;
                bottom: 0;
                width: 260px;
                z-index: 95;
                max-height: none;
                height: auto;
                border-radius: 0;
                transition: left 0.3s ease;
                background: rgba(8, 23, 36, 0.98);
            }
            .sidebar-doc.open {
                left: 0;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .hamburger {
                display: flex;
            }
            .layout-with-sidebar {
                padding-top: 20px;
                gap: 0;
            }
            .site-nav-desktop {
                display: none;
            }
            .header-search {
                max-width: 200px;
            }
        }
        @media (max-width: 768px) {
            .container-main,
            .layout-with-sidebar,
            .footer-inner {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                height: 56px;
                gap: 8px;
            }
            .logo-text {
                font-size: 17px;
            }
            .header-search {
                display: none;
            }
            .version-switch {
                gap: 4px;
            }
            .version-btn {
                padding: 5px 10px;
                font-size: 12px;
                height: 32px;
            }
            .section-title {
                font-size: 22px;
            }
            section {
                margin-bottom: 48px;
                scroll-margin-top: 72px;
            }
            .score-number {
                font-size: 22px;
            }
            .stat-bar {
                gap: 8px;
            }
            .stat-item {
                min-width: 70px;
                padding: 8px 12px;
            }
            .stat-number {
                font-size: 18px;
            }
        }
        @media (max-width: 640px) {
            .btn-primary,
            .btn-secondary {
                width: 100%;
                font-size: 14px;
                padding: 10px 18px;
            }
            .version-switch .version-btn:first-child {
                display: none;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .hero-image {
                min-height: 200px;
            }
            .score-display {
                font-size: 18px;
                gap: 8px;
            }
            .score-number {
                font-size: 20px;
            }
            .price-card {
                padding: 20px 16px;
            }
            .price-amount {
                font-size: 22px;
            }
            .footer {
                padding: 24px 0 16px;
            }
            .footer-links {
                gap: 10px;
            }
        }
        @media (max-width: 374px) {
            .logo-text {
                font-size: 15px;
                letter-spacing: 0;
            }
            .version-switch {
                display: none;
            }
            .hamburger {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
            .section-title {
                font-size: 20px;
            }
            .section-desc {
                font-size: 14px;
            }
            .score-number {
                font-size: 18px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 13px;
                padding: 9px 14px;
                min-height: 40px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-page: #081724;
            --bg-panel: #0B1E30;
            --bg-card: rgba(15, 35, 55, 0.68);
            --bg-card-hover: rgba(21, 45, 68, 0.85);
            --border-glass: rgba(148, 187, 233, 0.18);
            --primary: #38BDF8;
            --primary-cyan: #22D3EE;
            --accent-green: #22C55E;
            --accent-lime: #A3E635;
            --warn-amber: #F59E0B;
            --text-main: #EAF2FB;
            --text-secondary: #94A3B8;
            --text-weak: #64748B;
            --radius-card: 16px;
            --radius-panel: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(56, 189, 248, 0.18);
            --transition-base: all 0.25s ease;
            --sidebar-width: 260px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-cyan);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 23, 36, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }
        .site-header:hover {
            background: rgba(11, 30, 48, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--text-main);
            text-decoration: none;
        }
        .logo-area:hover {
            text-decoration: none;
            color: var(--text-main);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #081724;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo-text:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 0 14px;
            height: 42px;
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
        }
        .header-search i {
            color: var(--text-weak);
            font-size: 14px;
            margin-right: 8px;
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--text-weak);
        }
        .version-btn {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            height: 36px;
            white-space: nowrap;
        }
        .version-btn:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--text-main);
        }
        .version-btn.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
        }
        .site-nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .site-nav-desktop::-webkit-scrollbar {
            display: none;
        }
        .site-nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .site-nav-desktop a:hover {
            color: var(--text-main);
            background: rgba(56, 189, 248, 0.08);
            text-decoration: none;
        }
        .site-nav-desktop a.active {
            color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
        }

        /* Sidebar */
        .doc-sidebar {
            position: fixed;
            top: 64px;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: rgba(11, 30, 48, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-right: 1px solid var(--border-glass);
            overflow-y: auto;
            padding: 24px 18px;
            z-index: 90;
            transition: transform 0.3s ease;
        }
        .doc-sidebar h3 {
            font-size: 14px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin: 0 0 12px;
            font-weight: 600;
        }
        .sidebar-nav a {
            display: block;
            padding: 8px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 2px;
            transition: var(--transition-base);
        }
        .sidebar-nav a:hover {
            background: rgba(56, 189, 248, 0.08);
            color: var(--text-main);
            text-decoration: none;
        }
        .sidebar-nav a.active {
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
        }
        .sidebar-divider {
            height: 1px;
            background: var(--border-glass);
            margin: 16px 0;
        }
        .sidebar-badge {
            display: inline-block;
            background: rgba(56, 189, 248, 0.15);
            color: var(--primary);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 4px;
            margin-left: 6px;
        }
        .main-with-sidebar {
            margin-left: var(--sidebar-width);
            min-height: calc(100vh - 64px);
            padding: 32px 24px;
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 85;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .sidebar-overlay.visible {
            opacity: 1;
        }

        /* Section base */
        .section-block {
            margin-bottom: 48px;
        }
        .section-eyebrow {
            font-size: 13px;
            color: var(--primary);
            letter-spacing: 2px;
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 16px;
            line-height: 1.35;
        }
        .section-lead {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0 0 20px;
        }

        /* Cards */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .glass-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .glass-panel {
            background: rgba(15, 35, 55, 0.7);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            padding: 20px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            white-space: nowrap;
        }
        .badge-green {
            background: rgba(34, 197, 94, 0.15);
            color: var(--accent-green);
        }
        .badge-amber {
            background: rgba(245, 158, 11, 0.15);
            color: var(--warn-amber);
        }
        .badge-cyan {
            background: rgba(56, 189, 248, 0.15);
            color: var(--primary);
        }
        .badge-gray {
            background: rgba(100, 116, 139, 0.2);
            color: var(--text-secondary);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            color: #081724;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            min-height: 42px;
        }
        .btn-primary:hover {
            box-shadow: 0 0 24px rgba(56, 189, 248, 0.4), 0 8px 20px rgba(56, 189, 248, 0.25);
            transform: translateY(-1px);
            text-decoration: none;
            color: #081724;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border-glass);
            cursor: pointer;
            transition: var(--transition-base);
            min-height: 42px;
        }
        .btn-secondary:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            text-decoration: none;
            color: var(--primary);
        }
        .btn-secondary:active {
            background: rgba(56, 189, 248, 0.2);
        }
        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
            min-height: 36px;
        }

        /* Filter toolbar */
        .filter-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 12px;
        }
        .filter-item label {
            font-size: 13px;
            color: var(--text-weak);
            display: block;
            margin-bottom: 4px;
        }
        .filter-item select,
        .filter-item input {
            width: 100%;
            height: 42px;
            background: rgba(15, 35, 55, 0.8);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            color: var(--text-main);
            padding: 0 12px;
            font-size: 14px;
            transition: var(--transition-base);
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
        }
        .filter-item select:hover,
        .filter-item input:hover {
            border-color: var(--primary-cyan);
        }
        .filter-item select:focus,
        .filter-item input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
            outline: none;
        }
        .filter-item select option {
            background: var(--bg-panel);
            color: var(--text-main);
        }

        /* Data table cards */
        .data-match-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            padding: 16px;
            margin-bottom: 12px;
            transition: var(--transition-base);
        }
        .data-match-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(56, 189, 248, 0.35);
            box-shadow: var(--shadow-hover);
        }
        .data-match-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .data-match-league {
            font-size: 12px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .data-match-status {
            font-size: 12px;
        }
        .data-match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .data-match-team {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }
        .data-match-score {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-cyan);
            letter-spacing: 2px;
        }
        .data-match-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
            gap: 8px;
            margin-top: 8px;
        }
        .data-stat-item {
            text-align: center;
            padding: 8px;
            background: rgba(11, 30, 48, 0.6);
            border-radius: 8px;
        }
        .data-stat-item .stat-label {
            font-size: 11px;
            color: var(--text-weak);
        }
        .data-stat-item .stat-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-card);
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            gap: 12px;
            user-select: none;
        }
        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 16px 14px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* Checklist */
        .checklist {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(148, 187, 233, 0.1);
            font-size: 14px;
            color: var(--text-secondary);
        }
        .checklist li:last-child {
            border-bottom: none;
        }
        .checklist li i {
            color: var(--accent-green);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, rgba(11, 30, 48, 0.9), rgba(15, 35, 55, 0.85));
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
        }

        /* Footer */
        .footer {
            background: rgba(8, 23, 36, 0.95);
            border-top: 1px solid var(--border-glass);
            padding: 28px 24px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            text-align: center;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .footer-text {
            font-size: 13px;
            color: var(--text-weak);
            margin: 4px 0;
        }
        .footer-links {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 12px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-links a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* Image styles */
        .img-cover {
            border-radius: var(--radius-panel);
            object-fit: cover;
            width: 100%;
            height: 100%;
        }
        .img-with-caption {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-panel);
            border: 1px solid var(--border-glass);
        }
        .img-with-caption img {
            transition: var(--transition-base);
        }
        .img-with-caption:hover img {
            transform: scale(1.03);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .doc-sidebar {
                transform: translateX(-100%);
            }
            .doc-sidebar.open {
                transform: translateX(0);
            }
            .main-with-sidebar {
                margin-left: 0;
                padding: 20px 16px;
            }
            .hamburger {
                display: flex;
            }
            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }
            .sidebar-overlay.visible {
                pointer-events: auto;
            }
            .site-nav-desktop {
                display: none;
            }
            .header-search {
                max-width: 180px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0 12px;
                gap: 8px;
            }
            .header-search {
                max-width: 140px;
            }
            .version-switch {
                display: none;
            }
            .main-with-sidebar {
                padding: 16px 12px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-lead {
                font-size: 14px;
            }
            .data-match-teams {
                flex-direction: column;
                text-align: center;
            }
            .data-match-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .filter-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-links {
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
                padding: 0 8px;
                gap: 6px;
            }
            .header-search {
                max-width: 100px;
                padding: 0 8px;
            }
            .header-search input {
                font-size: 12px;
            }
            .header-search input::placeholder {
                font-size: 11px;
            }
            .logo-text {
                font-size: 16px;
                letter-spacing: 0;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .main-with-sidebar {
                padding: 12px 8px;
            }
            .section-title {
                font-size: 20px;
            }
            .glass-card,
            .glass-panel,
            .data-match-card {
                padding: 14px;
            }
            .data-match-score {
                font-size: 18px;
            }
            .filter-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                font-size: 16px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 13px;
                padding: 8px 14px;
                min-height: 40px;
            }
        }
        @media (max-width: 374px) {
            .header-search {
                display: none;
            }
            .logo-text {
                font-size: 14px;
            }
            .data-match-stats {
                grid-template-columns: 1fr 1fr;
                gap: 4px;
            }
            .data-stat-item {
                padding: 6px;
            }
            .data-stat-item .stat-value {
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-page: #081724;
            --bg-panel: #0B1E30;
            --bg-card: rgba(15, 35, 55, 0.68);
            --bg-card-hover: rgba(21, 45, 68, 0.85);
            --border-glass: rgba(148, 187, 233, 0.18);
            --primary: #38BDF8;
            --primary-cyan: #22D3EE;
            --accent-green: #22C55E;
            --accent-lime: #A3E635;
            --warn-amber: #F59E0B;
            --text-main: #EAF2FB;
            --text-secondary: #94A3B8;
            --text-weak: #64748B;
            --radius-card: 16px;
            --radius-panel: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(56, 189, 248, 0.18);
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-cyan);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 23, 36, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }
        .site-header:hover {
            background: rgba(11, 30, 48, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #081724;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo-text:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 0 14px;
            height: 42px;
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
        }
        .header-search i {
            color: var(--text-weak);
            font-size: 14px;
            margin-right: 8px;
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--text-weak);
        }
        .version-btn {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            height: 36px;
            white-space: nowrap;
        }
        .version-btn:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--text-main);
        }
        .version-btn.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
        }
        .site-nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .site-nav-desktop::-webkit-scrollbar {
            display: none;
        }
        .site-nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .site-nav-desktop a:hover {
            background: rgba(56, 189, 248, 0.08);
            color: var(--primary);
            text-decoration: none;
        }
        .site-nav-desktop a.active {
            background: rgba(56, 189, 248, 0.15);
            color: var(--primary);
        }
        /* Page layout with sidebar */
        .page-wrapper {
            max-width: 1280px;
            margin: 0 auto;
            padding: 32px 24px 64px;
        }
        .page-layout {
            display: flex;
            gap: 32px;
            align-items: flex-start;
        }
        /* Sidebar */
        .doc-sidebar {
            width: 260px;
            flex-shrink: 0;
            position: sticky;
            top: 80px;
            max-height: calc(100vh - 100px);
            overflow-y: auto;
            background: rgba(11, 30, 48, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .doc-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .doc-sidebar::-webkit-scrollbar-thumb {
            background: rgba(56, 189, 248, 0.3);
            border-radius: 2px;
        }
        .doc-sidebar-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .doc-sidebar-title i {
            color: var(--primary);
            font-size: 14px;
        }
        .doc-sidebar-group {
            margin-bottom: 20px;
        }
        .doc-sidebar-group:last-child {
            margin-bottom: 0;
        }
        .doc-sidebar-group-label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-weak);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .doc-sidebar-group a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 10px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition-base);
            border-left: 2px solid transparent;
        }
        .doc-sidebar-group a:hover {
            color: var(--primary);
            background: rgba(56, 189, 248, 0.08);
            text-decoration: none;
            border-left-color: var(--primary);
        }
        .doc-sidebar-group a.active-side {
            color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
            border-left-color: var(--primary);
        }
        .doc-sidebar-group a i {
            font-size: 12px;
            width: 16px;
            text-align: center;
            color: var(--text-weak);
        }
        .doc-sidebar-group a.active-side i {
            color: var(--primary);
        }
        /* Sidebar overlay for mobile */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 95;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .sidebar-overlay.show {
            display: block;
            opacity: 1;
        }
        /* Main content */
        .main-content {
            flex: 1;
            min-width: 0;
        }
        .main-content section {
            margin-bottom: 48px;
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.25);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            overflow: hidden;
        }
        .glass-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            border-color: rgba(56, 189, 248, 0.3);
        }
        /* H1 Hero section */
        .cat-hero {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: center;
            justify-content: space-between;
            padding: 28px 28px;
            background: rgba(11, 30, 48, 0.6);
            border: 1px solid var(--border-glass);
            border-radius: 18px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
        }
        .cat-hero-content {
            flex: 1 1 480px;
        }
        .cat-hero-content h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin: 0 0 12px 0;
            letter-spacing: -0.5px;
        }
        .cat-hero-content h1 span {
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cat-hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0 0 16px 0;
            max-width: 560px;
            line-height: 1.7;
        }
        .cat-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .cat-hero-tag {
            font-size: 12px;
            color: var(--text-secondary);
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.2);
            padding: 4px 12px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .cat-hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            flex-shrink: 0;
        }
        .cat-stat-block {
            text-align: center;
            padding: 16px 20px;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            min-width: 100px;
        }
        .cat-stat-num {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary-cyan);
            display: block;
            line-height: 1.2;
        }
        .cat-stat-label {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 4px;
        }
        /* Glass card grid */
        .team-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .team-card {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .team-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }
        .team-card-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
        }
        .team-card-league {
            font-size: 12px;
            color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
            padding: 2px 10px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .team-card-record {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .record-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
        }
        .record-win {
            background: rgba(34, 197, 94, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(34, 197, 94, 0.3);
        }
        .record-draw {
            background: rgba(245, 158, 11, 0.12);
            color: var(--warn-amber);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .record-loss {
            background: rgba(239, 68, 68, 0.12);
            color: #F87171;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }
        .team-card-info {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .team-card-info span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .team-card-info i {
            color: var(--text-weak);
            font-size: 12px;
        }
        .team-card-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 6px;
            width: fit-content;
        }
        .status-green {
            background: rgba(34, 197, 94, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(34, 197, 94, 0.3);
        }
        .status-amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--warn-amber);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .status-cyan {
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.3);
        }
        .team-card-link {
            font-size: 13px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        .team-card-link:hover {
            color: var(--primary-cyan);
        }
        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            padding: 18px 20px;
            background: rgba(11, 30, 48, 0.6);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-group label {
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
            font-weight: 500;
        }
        .filter-select,
        .filter-input {
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            height: 42px;
            min-width: 120px;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .filter-input {
            cursor: text;
            flex: 1;
            min-width: 160px;
        }
        .filter-select:hover,
        .filter-input:hover {
            border-color: rgba(56, 189, 248, 0.4);
        }
        .filter-select:focus,
        .filter-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
            outline: none;
        }
        .filter-input::placeholder {
            color: var(--text-weak);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            color: #081724;
            border: none;
            padding: 0 20px;
            height: 42px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.3px;
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
        }
        .btn-primary:hover {
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.85);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            padding: 0 20px;
            height: 42px;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }
        /* Deep content section */
        .deep-content {
            padding: 28px;
            background: rgba(11, 30, 48, 0.55);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .deep-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 16px 0;
            letter-spacing: -0.3px;
        }
        .deep-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin: 20px 0 10px 0;
        }
        .deep-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0 0 12px 0;
        }
        .deep-content ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px 0;
        }
        .deep-content ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0 6px 22px;
            position: relative;
            line-height: 1.7;
        }
        .deep-content ul li::before {
            content: "▸";
            position: absolute;
            left: 4px;
            color: var(--primary);
            font-size: 13px;
        }
        .info-box {
            background: rgba(56, 189, 248, 0.06);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 10px;
            padding: 16px 18px;
            margin-top: 16px;
        }
        .info-box p {
            margin: 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .info-box strong {
            color: var(--primary);
        }
        /* Featured topic cards */
        .featured-topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-topic-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .featured-topic-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .featured-topic-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .featured-topic-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
        }
        .featured-topic-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .featured-topic-tag {
            font-size: 11px;
            color: var(--primary);
            background: rgba(56, 189, 248, 0.1);
            padding: 2px 10px;
            border-radius: 12px;
            width: fit-content;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(15, 35, 55, 0.55);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }
        .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            user-select: none;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            color: var(--text-weak);
            transition: var(--transition-base);
            font-size: 14px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        /* Steps list */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding: 0;
            margin: 0;
            list-style: none;
            counter-reset: step-counter;
        }
        .steps-list li {
            counter-increment: step-counter;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 16px;
            background: rgba(15, 35, 55, 0.5);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .steps-list li::before {
            content: counter(step-counter);
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            color: #081724;
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin-top: 2px;
        }
        /* CTA section */
        .cta-section {
            padding: 28px;
            background: rgba(11, 30, 48, 0.65);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: space-between;
        }
        .cta-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
        }
        .cta-section p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 8px 0 0 0;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        /* Data update note */
        .data-note {
            padding: 18px 22px;
            background: rgba(245, 158, 11, 0.05);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: 10px;
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.7;
        }
        .data-note i {
            color: var(--warn-amber);
            font-size: 14px;
            margin-top: 3px;
        }
        /* Footer */
        .footer {
            background: #060F1A;
            border-top: 1px solid var(--border-glass);
            padding: 32px 0;
            margin-top: 24px;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
        }
        .footer-text {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .mr-1 {
            margin-right: 4px;
        }
        /* Responsive */
        @media screen and (max-width: 1024px) {
            .site-nav-desktop {
                display: none;
            }
            .hamburger {
                display: inline-flex;
            }
            .page-layout {
                flex-direction: column;
            }
            .doc-sidebar {
                position: fixed;
                top: 0;
                left: 0;
                z-index: 96;
                width: 280px;
                height: 100vh;
                border-radius: 0;
                max-height: 100vh;
                transform: translateX(-100%);
                transition: transform 0.35s ease;
                background: rgba(8, 23, 36, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-right: 1px solid var(--border-glass);
                padding: 24px 18px;
                overflow-y: auto;
            }
            .doc-sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.65);
                z-index: 95;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .team-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-hero-stats {
                grid-template-columns: repeat(3, 1fr);
                width: 100%;
            }
            .cat-hero-content h1 {
                font-size: 28px;
            }
        }
        @media screen and (max-width: 768px) {
            .header-inner {
                height: 56px;
                gap: 8px;
            }
            .header-search {
                max-width: none;
                flex: 1;
            }
            .version-btn {
                padding: 5px 8px;
                font-size: 11px;
                height: 32px;
            }
            .page-wrapper {
                padding: 20px 16px 40px;
            }
            .team-card-grid {
                grid-template-columns: 1fr;
            }
            .featured-topic-grid {
                grid-template-columns: 1fr;
            }
            .cat-hero {
                flex-direction: column;
                padding: 20px;
            }
            .cat-hero-content h1 {
                font-size: 24px;
            }
            .cat-hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
                width: 100%;
            }
            .cat-stat-num {
                font-size: 20px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .filter-group {
                flex-wrap: wrap;
            }
            .filter-select,
            .filter-input {
                flex: 1;
                min-width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .deep-content h2 {
                font-size: 20px;
            }
            .deep-content h3 {
                font-size: 16px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-links {
                justify-content: center;
            }
            .cta-section {
                flex-direction: column;
                text-align: center;
            }
            .cta-actions {
                width: 100%;
                justify-content: center;
            }
        }
        @media screen and (max-width: 640px) {
            .version-btn {
                display: none;
            }
            .header-search {
                padding: 0 10px;
            }
            .header-search input {
                font-size: 12px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .cat-hero-content h1 {
                font-size: 21px;
            }
            .cat-hero-subtitle {
                font-size: 14px;
            }
            .cat-stat-block {
                padding: 10px 12px;
            }
            .cat-stat-num {
                font-size: 18px;
            }
            .cat-stat-label {
                font-size: 10px;
            }
            .main-content section {
                margin-bottom: 32px;
            }
            .deep-content {
                padding: 18px;
            }
            .deep-content p {
                font-size: 14px;
            }
        }
        @media screen and (max-width: 374px) {
            .header-inner {
                gap: 4px;
            }
            .hamburger {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
                border-radius: 6px;
            }
            .header-search {
                height: 36px;
                padding: 0 8px;
            }
            .page-wrapper {
                padding: 14px 10px 32px;
            }
            .cat-hero {
                padding: 14px;
            }
            .cat-hero-content h1 {
                font-size: 19px;
            }
            .cat-hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 4px;
            }
            .cat-stat-block {
                padding: 6px 8px;
            }
            .cat-stat-num {
                font-size: 16px;
            }
            .team-card-grid {
                gap: 12px;
            }
            .team-card {
                padding: 14px;
            }
            .team-card-name {
                font-size: 16px;
            }
            .featured-topic-card img {
                height: 120px;
            }
            .faq-question {
                padding: 12px 14px;
                font-size: 13px;
            }
            .faq-answer {
                padding: 0 14px;
                font-size: 13px;
            }
            .faq-item.open .faq-answer {
                padding: 0 14px 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-page: #081724;
            --bg-panel: #0B1E30;
            --bg-card: rgba(15, 35, 55, 0.68);
            --bg-card-hover: rgba(21, 45, 68, 0.85);
            --border-glass: rgba(148, 187, 233, 0.18);
            --primary: #38BDF8;
            --primary-cyan: #22D3EE;
            --accent-green: #22C55E;
            --accent-lime: #A3E635;
            --warn-amber: #F59E0B;
            --text-main: #EAF2FB;
            --text-secondary: #94A3B8;
            --text-weak: #64748B;
            --radius-card: 16px;
            --radius-panel: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(56, 189, 248, 0.18);
            --transition-base: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-cyan);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 23, 36, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }
        .site-header:hover {
            background: rgba(11, 30, 48, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #081724;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo-text:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 0 14px;
            height: 42px;
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
        }
        .header-search i {
            color: var(--text-weak);
            font-size: 14px;
            margin-right: 8px;
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--text-weak);
        }
        .version-btn {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            height: 36px;
            white-space: nowrap;
        }
        .version-btn:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--text-main);
        }
        .version-btn.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
        }
        .site-nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .site-nav-desktop::-webkit-scrollbar {
            display: none;
        }
        .site-nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .site-nav-desktop a:hover {
            background: rgba(56, 189, 248, 0.08);
            color: var(--text-main);
            text-decoration: none;
        }
        .site-nav-desktop a.active {
            background: rgba(56, 189, 248, 0.15);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.3);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(11, 30, 48, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glass);
            padding: 16px 24px;
            z-index: 99;
            flex-direction: column;
            gap: 8px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            color: var(--text-secondary);
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            border: 1px solid transparent;
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(56, 189, 248, 0.1);
            color: var(--primary);
            border-color: rgba(56, 189, 248, 0.2);
            text-decoration: none;
        }
        .page-section {
            padding: 56px 0;
            border-bottom: 1px solid rgba(148, 187, 233, 0.08);
        }
        .page-section:last-of-type {
            border-bottom: none;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 800px;
        }
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            padding: 20px;
        }
        .glass-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            color: #081724;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 26px;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.25);
            height: 46px;
        }
        .btn-primary:hover {
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.5);
            transform: translateY(-1px);
            color: #081724;
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text-main);
            font-weight: 500;
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-btn);
            padding: 12px 26px;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            height: 46px;
        }
        .btn-secondary:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .badge-live {
            background: rgba(34, 197, 94, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(34, 197, 94, 0.35);
        }
        .badge-upcoming {
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.3);
        }
        .badge-finished {
            background: rgba(148, 163, 184, 0.1);
            color: var(--text-secondary);
            border: 1px solid rgba(148, 163, 184, 0.25);
        }
        .badge-delay {
            background: rgba(245, 158, 11, 0.12);
            color: var(--warn-amber);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-glass);
            padding: 18px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-main);
            font-size: 16px;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            padding: 0;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-answer {
            margin-top: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .faq-icon {
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.2s ease;
            flex-shrink: 0;
        }
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-end;
            background: rgba(11, 30, 48, 0.6);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            padding: 20px;
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 140px;
            flex: 1;
        }
        .filter-group label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .filter-group input,
        .filter-group select {
            background: rgba(15, 35, 55, 0.9);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            color: var(--text-main);
            padding: 10px 14px;
            font-size: 14px;
            height: 42px;
            outline: none;
            transition: var(--transition-base);
            width: 100%;
        }
        .filter-group input:focus,
        .filter-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
        }
        .filter-group select option {
            background: #0B1E30;
            color: var(--text-main);
        }
        .match-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: rgba(11, 30, 48, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            transition: var(--transition-base);
            margin-bottom: 12px;
        }
        .match-row:hover {
            background: var(--bg-card-hover);
            border-color: rgba(56, 189, 248, 0.3);
            box-shadow: var(--shadow-card);
        }
        .match-league {
            min-width: 100px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .match-teams {
            flex: 2;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .match-team {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 15px;
        }
        .match-score {
            flex: 1;
            min-width: 120px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
        }
        .match-score .score-live {
            color: var(--accent-green);
        }
        .match-events {
            flex: 2;
            min-width: 180px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .match-time {
            min-width: 60px;
            text-align: right;
            font-size: 13px;
            color: var(--text-weak);
        }
        .stat-card {
            padding: 16px;
            background: rgba(11, 30, 48, 0.6);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            transition: var(--transition-base);
            text-align: center;
        }
        .stat-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(56, 189, 248, 0.3);
        }
        .stat-value {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer {
            background: #050E18;
            border-top: 1px solid var(--border-glass);
            padding: 40px 0;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: flex-start;
            justify-content: space-between;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
        }
        .footer-text {
            font-size: 13px;
            color: var(--text-weak);
            margin: 4px 0;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .site-nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-search {
                max-width: 180px;
            }
            .version-btn {
                padding: 6px 10px;
                font-size: 12px;
            }
            .match-row {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }
            .match-league,
            .match-time {
                min-width: auto;
                text-align: left;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
                gap: 10px;
            }
            .logo-text {
                font-size: 17px;
            }
            .header-search {
                max-width: 140px;
                padding: 0 10px;
            }
            .version-switch {
                display: none;
            }
            .page-section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 15px;
            }
            .filter-toolbar {
                flex-direction: column;
                gap: 12px;
            }
            .filter-group {
                min-width: 100%;
            }
            .footer-inner {
                flex-direction: column;
                gap: 16px;
            }
            .footer-links {
                gap: 12px;
                flex-wrap: wrap;
            }
        }
        @media (max-width: 520px) {
            .container-main {
                padding: 0 16px;
            }
            .header-inner {
                gap: 8px;
            }
            .header-search {
                max-width: 100px;
            }
            .header-search input {
                font-size: 12px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .logo-text {
                font-size: 15px;
            }
            .hamburger {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
            .match-score {
                font-size: 18px;
                min-width: auto;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                padding: 10px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-page: #081724;
            --bg-panel: #0B1E30;
            --bg-card: rgba(15, 35, 55, 0.68);
            --bg-card-hover: rgba(21, 45, 68, 0.85);
            --border-glass: rgba(148, 187, 233, 0.18);
            --primary: #38BDF8;
            --primary-cyan: #22D3EE;
            --accent-green: #22C55E;
            --accent-lime: #A3E635;
            --warn-amber: #F59E0B;
            --text-main: #EAF2FB;
            --text-secondary: #94A3B8;
            --text-weak: #64748B;
            --radius-card: 16px;
            --radius-panel: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(56, 189, 248, 0.18);
            --transition-base: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-cyan);
            text-decoration: underline;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

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

        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 23, 36, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }

        .site-header:hover {
            background: rgba(11, 30, 48, 0.96);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #081724;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .header-search {
            flex: 1;
            max-width: 300px;
            display: flex;
            align-items: center;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 0 14px;
            height: 42px;
            transition: var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
        }

        .header-search i {
            color: var(--text-weak);
            font-size: 14px;
            margin-right: 8px;
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
            height: 100%;
        }

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .version-btn {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            height: 36px;
            white-space: nowrap;
        }

        .version-btn:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--text-main);
        }

        .version-btn.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .hamburger:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
        }

        .site-nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .site-nav-desktop::-webkit-scrollbar {
            display: none;
        }

        .site-nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: var(--transition-base);
            position: relative;
        }

        .site-nav-desktop a:hover {
            color: var(--text-main);
            background: rgba(56, 189, 248, 0.08);
            text-decoration: none;
        }

        .site-nav-desktop a.active {
            color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
        }

        .site-nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            box-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
        }

        /* Layout with sidebar for inner pages */
        .page-layout {
            display: flex;
            gap: 32px;
            align-items: flex-start;
        }

        .sidebar-docs {
            width: 260px;
            flex-shrink: 0;
            position: sticky;
            top: 84px;
            max-height: calc(100vh - 110px);
            overflow-y: auto;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 18px 14px;
            scrollbar-width: thin;
            scrollbar-color: rgba(56, 189, 248, 0.3) transparent;
        }

        .sidebar-docs::-webkit-scrollbar {
            width: 4px;
        }

        .sidebar-docs::-webkit-scrollbar-thumb {
            background: rgba(56, 189, 248, 0.3);
            border-radius: 2px;
        }

        .sidebar-docs h3 {
            font-size: 13px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            padding: 0 8px;
            font-weight: 600;
        }

        .sidebar-docs .sidebar-link {
            display: block;
            padding: 7px 10px;
            color: var(--text-secondary);
            font-size: 13.5px;
            border-radius: 8px;
            transition: var(--transition-base);
            margin-bottom: 2px;
            line-height: 1.5;
        }

        .sidebar-docs .sidebar-link:hover {
            color: var(--text-main);
            background: rgba(56, 189, 248, 0.08);
            text-decoration: none;
        }

        .sidebar-docs .sidebar-link.active-sidebar {
            color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
            font-weight: 500;
        }

        .sidebar-docs .sidebar-divider {
            height: 1px;
            background: var(--border-glass);
            margin: 14px 8px;
        }

        .sidebar-toggle-btn {
            display: none;
            align-items: center;
            gap: 8px;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            padding: 10px 16px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 14px;
            transition: var(--transition-base);
            margin: 16px 0;
        }

        .sidebar-toggle-btn:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 99;
            backdrop-filter: blur(4px);
        }

        .main-content {
            flex: 1;
            min-width: 0;
            padding-bottom: 40px;
        }

        /* Section styles */
        .section-block {
            margin-bottom: 56px;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(56, 189, 248, 0.08);
            padding: 4px 12px;
            border-radius: 6px;
            border: 1px solid rgba(56, 189, 248, 0.2);
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            max-width: 760px;
        }

        /* Glass card */
        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition-base);
            padding: 24px;
        }

        .glass-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            color: #081724;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0 24px;
            height: 44px;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 15px;
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
            color: #081724;
            text-decoration: none;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 500;
            border: 1px solid rgba(56, 189, 248, 0.4);
            border-radius: var(--radius-btn);
            padding: 0 20px;
            height: 44px;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 14.5px;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--text-main);
            text-decoration: none;
        }

        .btn-outline:active {
            background: rgba(56, 189, 248, 0.06);
        }

        /* Report tag colors */
        .tag-report {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .tag-pre-match {
            background: rgba(56, 189, 248, 0.15);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.3);
        }

        .tag-post-match {
            background: rgba(34, 197, 94, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(34, 197, 94, 0.3);
        }

        .tag-data-observe {
            background: rgba(245, 158, 11, 0.12);
            color: var(--warn-amber);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }

        .tag-tactical {
            background: rgba(163, 230, 53, 0.1);
            color: var(--accent-lime);
            border: 1px solid rgba(163, 230, 53, 0.25);
        }

        /* Report card */
        .report-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition-base);
            padding: 22px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
        }

        .report-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .report-card-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .report-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            letter-spacing: 0.3px;
        }

        .report-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12.5px;
            color: var(--text-weak);
        }

        .report-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .report-card-meta i {
            font-size: 12px;
        }

        .report-card-excerpt {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        .report-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-glass);
            padding-top: 14px;
        }

        .report-league-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: var(--text-secondary);
            background: rgba(148, 187, 233, 0.08);
            padding: 3px 10px;
            border-radius: 6px;
            border: 1px solid var(--border-glass);
        }

        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 16px 18px;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
        }

        .filter-select {
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            border-radius: 8px;
            padding: 0 12px;
            height: 40px;
            font-size: 13.5px;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 140px;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394A3B8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }

        .filter-select:hover {
            border-color: var(--primary);
        }

        .filter-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
            outline: none;
        }

        .filter-btn {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            border-radius: 8px;
            padding: 0 16px;
            height: 40px;
            font-size: 13.5px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .filter-btn:hover {
            background: rgba(56, 189, 248, 0.08);
            border-color: var(--primary);
            color: var(--text-main);
        }

        .filter-btn.filter-active {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            overflow: hidden;
            transition: var(--transition-base);
            margin-bottom: 10px;
        }

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition-base);
        }

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

        .faq-question i {
            flex-shrink: 0;
            color: var(--text-weak);
            transition: transform 0.3s ease;
            font-size: 13px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 16px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        /* CTA box */
        .cta-box {
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(34, 211, 238, 0.06));
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-box h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .cta-box p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 14.5px;
        }

        .cta-box form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
        }

        .cta-box input[type="email"],
        .cta-box input[type="text"] {
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            padding: 0 14px;
            height: 44px;
            color: var(--text-main);
            font-size: 14px;
            width: 240px;
            transition: var(--transition-base);
        }

        .cta-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
            outline: none;
        }

        .cta-box input::placeholder {
            color: var(--text-weak);
        }

        /* Steps list */
        .steps-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: step-counter;
        }

        .steps-list li {
            counter-increment: step-counter;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-glass);
        }

        .steps-list li:last-child {
            border-bottom: none;
        }

        .steps-list li::before {
            content: counter(step-counter);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .steps-list .step-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 4px;
        }

        .steps-list .step-content p {
            font-size: 13.5px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* Deep content */
        .deep-content {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 28px 26px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .deep-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .deep-content p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .deep-content p:last-child {
            margin-bottom: 0;
        }

        .data-highlight-box {
            background: rgba(56, 189, 248, 0.06);
            border-left: 3px solid var(--primary);
            padding: 14px 18px;
            border-radius: 0 10px 10px 0;
            margin: 12px 0;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        /* Data source note */
        .source-note {
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            padding: 18px 22px;
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        .source-note strong {
            color: var(--text-secondary);
            font-weight: 600;
        }

        /* Footer */
        .footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-glass);
            padding: 32px 0;
            margin-top: 40px;
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            text-align: center;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
        }

        .footer-text {
            color: var(--text-weak);
            font-size: 13px;
            margin: 0;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 6px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 13.5px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-links a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .sidebar-docs {
                display: none;
                position: fixed;
                left: 0;
                top: 0;
                bottom: 0;
                z-index: 101;
                border-radius: 0;
                width: 280px;
                margin: 0;
                background: var(--bg-panel);
                border-right: 1px solid var(--border-glass);
            }
            .sidebar-docs.sidebar-open {
                display: block;
            }
            .sidebar-overlay.sidebar-overlay-active {
                display: block;
            }
            .sidebar-toggle-btn {
                display: inline-flex;
            }
            .page-layout {
                flex-direction: column;
                gap: 0;
            }
            .main-content {
                padding-bottom: 20px;
            }
            .site-nav-desktop {
                display: none;
            }
            .hamburger {
                display: inline-flex;
            }
            .header-search {
                max-width: 200px;
            }
            .section-title {
                font-size: 22px;
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .version-switch {
                display: none;
            }
            .container-main {
                padding: 0 16px;
            }
            .section-block {
                margin-bottom: 36px;
            }
            .section-title {
                font-size: 19px;
            }
            .report-card {
                padding: 18px;
            }
            .report-card-title {
                font-size: 15.5px;
            }
            .cta-box {
                padding: 24px 18px;
            }
            .cta-box input[type="email"],
            .cta-box input[type="text"] {
                width: 100%;
            }
            .filter-toolbar {
                gap: 8px;
                padding: 12px 14px;
            }
            .filter-select {
                min-width: 120px;
                height: 36px;
                font-size: 12.5px;
            }
            .filter-btn {
                height: 36px;
                font-size: 12.5px;
                padding: 0 12px;
            }
            .deep-content {
                padding: 20px 18px;
            }
            .deep-content h3 {
                font-size: 17px;
            }
            .footer {
                padding: 24px 0;
                margin-top: 24px;
            }
        }

        @media (max-width: 640px) {
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 6px;
            }
            .header-inner {
                height: 56px;
                gap: 10px;
            }
            .container-main {
                padding: 0 12px;
            }
            .report-card {
                padding: 16px;
                gap: 10px;
            }
            .report-card-header {
                flex-direction: column;
                gap: 6px;
            }
            .report-card-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-box form {
                flex-direction: column;
                gap: 10px;
            }
            .cta-box input[type="email"],
            .cta-box input[type="text"] {
                width: 100%;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-select {
                width: 100%;
            }
        }

        @media (max-width: 374px) {
            .logo-text {
                font-size: 15px;
                letter-spacing: 0.5px;
            }
            .header-inner {
                height: 50px;
            }
            .hamburger {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .section-title {
                font-size: 17px;
            }
            .report-card-title {
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-page: #081724;
            --bg-panel: #0B1E30;
            --bg-card: rgba(15, 35, 55, 0.68);
            --bg-card-hover: rgba(21, 45, 68, 0.85);
            --border-glass: rgba(148, 187, 233, 0.18);
            --primary: #38BDF8;
            --primary-cyan: #22D3EE;
            --accent-green: #22C55E;
            --accent-lime: #A3E635;
            --warn-amber: #F59E0B;
            --text-main: #EAF2FB;
            --text-secondary: #94A3B8;
            --text-weak: #64748B;
            --radius-card: 16px;
            --radius-panel: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(56, 189, 248, 0.18);
            --transition-base: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-cyan);
            text-decoration: underline;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

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

        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 23, 36, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }

        .site-header:hover {
            background: rgba(11, 30, 48, 0.96);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #081724;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: rgba(15, 35, 55, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 0 14px;
            height: 42px;
            transition: var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
        }

        .header-search i {
            color: var(--text-weak);
            font-size: 14px;
            margin-right: 8px;
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
            height: 100%;
        }

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .version-btn {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            height: 36px;
            white-space: nowrap;
        }

        .version-btn:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--text-main);
        }

        .version-btn.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .hamburger:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
        }

        .site-nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .site-nav-desktop::-webkit-scrollbar {
            display: none;
        }

        .site-nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: var(--transition-base);
        }

        .site-nav-desktop a:hover {
            color: var(--text-main);
            background: rgba(56, 189, 248, 0.08);
            text-decoration: none;
        }

        .site-nav-desktop a.active {
            color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.25);
        }

        /* Mobile Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 99;
            background: rgba(8, 23, 36, 0.98);
            backdrop-filter: blur(20px);
            padding: 24px;
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
            border-top: 1px solid var(--border-glass);
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer a {
            color: var(--text-secondary);
            font-size: 16px;
            padding: 12px 16px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-base);
        }

        .mobile-drawer a:hover {
            background: rgba(56, 189, 248, 0.1);
            color: var(--text-main);
            text-decoration: none;
        }

        .mobile-drawer a.active {
            background: rgba(56, 189, 248, 0.15);
            color: var(--primary);
        }

        /* Layout with sidebar */
        .layout-with-sidebar {
            display: flex;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            gap: 32px;
            align-items: flex-start;
        }

        .sidebar-nav {
            position: sticky;
            top: 96px;
            width: 260px;
            flex-shrink: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            max-height: calc(100vh - 120px);
            overflow-y: auto;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }

        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(148, 187, 233, 0.3);
            border-radius: 2px;
        }

        .sidebar-nav-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-glass);
            letter-spacing: 0.5px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 9px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 13.5px;
            transition: var(--transition-base);
            margin-bottom: 2px;
        }

        .sidebar-nav a:hover {
            background: rgba(56, 189, 248, 0.08);
            color: var(--text-main);
            text-decoration: none;
        }

        .sidebar-nav a.active {
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            border-left: 2px solid var(--primary);
        }

        .sidebar-nav a i {
            font-size: 12px;
            width: 16px;
            text-align: center;
            color: var(--primary-cyan);
        }

        .sidebar-nav-close {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-size: 20px;
            cursor: pointer;
            padding: 4px;
            align-self: flex-end;
        }

        /* Main content */
        .main-content {
            flex: 1;
            min-width: 0;
            padding: 40px 0 80px;
        }

        .section {
            margin-bottom: 56px;
        }

        .section-header {
            margin-bottom: 24px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            line-height: 1.4;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 10px;
            max-width: 680px;
        }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(135deg, rgba(11, 30, 48, 0.9), rgba(8, 23, 36, 0.7));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
            margin-bottom: 48px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.18), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .category-hero .breadcrumb a {
            color: var(--text-secondary);
        }

        .category-hero .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .category-hero .breadcrumb .separator {
            color: var(--text-weak);
            font-size: 11px;
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
            line-height: 1.3;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        .category-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: 20px;
            font-size: 13px;
            color: var(--primary);
        }

        .category-hero .hero-tag i {
            font-size: 11px;
        }

        /* Glass card */
        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 24px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .glass-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            border-color: rgba(56, 189, 248, 0.35);
            transform: translateY(-2px);
        }

        /* Help topic cards */
        .help-topics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .help-topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            cursor: pointer;
            position: relative;
        }

        .help-topic-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            border-color: rgba(56, 189, 248, 0.35);
            transform: translateY(-2px);
        }

        .help-topic-card .topic-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(34, 211, 238, 0.15));
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--primary);
        }

        .help-topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .help-topic-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .help-topic-card .topic-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .help-topic-card .topic-link i {
            font-size: 11px;
            transition: transform 0.25s ease;
        }

        .help-topic-card:hover .topic-link i {
            transform: translateX(4px);
        }

        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-glass);
            margin-bottom: 24px;
        }

        .filter-toolbar .filter-label {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 600;
            margin-right: 6px;
            white-space: nowrap;
        }

        .filter-btn {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            padding: 7px 16px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            height: 38px;
        }

        .filter-btn:hover {
            background: rgba(56, 189, 248, 0.08);
            border-color: rgba(56, 189, 248, 0.4);
            color: var(--text-main);
        }

        .filter-btn.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 600;
        }

        /* Deep content area */
        .deep-content {
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .deep-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .deep-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .deep-content .info-box {
            background: rgba(56, 189, 248, 0.06);
            border-left: 3px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 16px 0;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .deep-content .info-box strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* Steps */
        .steps-list {
            list-style: none;
            padding: 0;
            margin: 20px 0;
            counter-reset: step;
        }

        .steps-list li {
            counter-increment: step;
            position: relative;
            padding-left: 56px;
            margin-bottom: 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .steps-list li::before {
            content: counter(step);
            position: absolute;
            left: 0;
            top: 2px;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: #081724;
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
        }

        /* Topical data cards */
        .topical-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }

        .topical-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .topical-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            border-color: rgba(56, 189, 248, 0.35);
            transform: translateY(-2px);
        }

        .topical-card .card-image {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .topical-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .topical-card .card-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(8, 23, 36, 0.1), rgba(8, 23, 36, 0.7));
            pointer-events: none;
        }

        .topical-card .card-body {
            padding: 20px;
        }

        .topical-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .topical-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-panel);
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: var(--transition-base);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--primary);
            font-size: 13px;
            transition: var(--transition-base);
        }

        .faq-question.active .faq-icon {
            transform: rotate(180deg);
            background: rgba(56, 189, 248, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding-top: 4px;
            border-top: 1px solid var(--border-glass);
        }

        /* Checklist */
        .checklist {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-bottom: 1px solid rgba(148, 187, 233, 0.08);
        }

        .checklist li:last-child {
            border-bottom: none;
        }

        .checklist li .check-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(34, 197, 94, 0.15);
            border: 1px solid rgba(34, 197, 94, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-green);
            font-size: 10px;
            margin-top: 3px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(11, 30, 48, 0.9), rgba(8, 23, 36, 0.85));
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            text-align: left;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            line-height: 1.8;
        }

        .cta-section .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-cyan));
            border: none;
            border-radius: var(--radius-btn);
            color: #081724;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-base);
            height: 46px;
            min-width: 140px;
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
        }

        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.55);
            transform: translateY(-2px);
            text-decoration: none;
            color: #081724;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: transparent;
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-btn);
            color: var(--text-main);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            height: 46px;
            min-width: 120px;
        }

        .btn-secondary:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: rgba(56, 189, 248, 0.5);
            text-decoration: none;
            color: var(--text-main);
        }

        .btn-secondary:active {
            transform: translateY(0);
            background: rgba(56, 189, 248, 0.15);
        }

        /* Data update note */
        .data-note {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 14px 18px;
            background: rgba(245, 158, 11, 0.06);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-panel);
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .data-note i {
            color: var(--warn-amber);
            font-size: 14px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* Footer */
        .footer {
            background: rgba(8, 23, 36, 0.92);
            border-top: 1px solid var(--border-glass);
            padding: 32px 0;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            margin-top: 80px;
        }

        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
        }

        .footer-text {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .sidebar-nav {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                width: 100%;
                z-index: 98;
                max-height: calc(100vh - 64px);
                border-radius: 0;
                padding: 24px;
            }
            .sidebar-nav.open {
                display: block;
            }
            .sidebar-nav-close {
                display: block;
            }
            .layout-with-sidebar {
                padding: 0 16px;
                gap: 0;
            }
            .main-content {
                padding: 24px 0 60px;
            }
            .category-hero {
                padding: 28px 20px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .deep-content {
                padding: 24px 18px;
            }
            .cta-section {
                padding: 28px 20px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
                gap: 10px;
            }
            .header-search {
                max-width: 180px;
                height: 36px;
            }
            .version-switch {
                display: none;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 6px;
            }
            .mobile-drawer {
                top: 56px;
            }
            .sidebar-nav {
                top: 56px;
                max-height: calc(100vh - 56px);
            }
            .help-topics-grid {
                grid-template-columns: 1fr;
            }
            .topical-cards-grid {
                grid-template-columns: 1fr;
            }
            .category-hero {
                padding: 22px 16px;
                margin-bottom: 32px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .hero-subtitle {
                font-size: 14px;
            }
            .section {
                margin-bottom: 40px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .filter-toolbar {
                gap: 6px;
            }
            .filter-btn {
                padding: 6px 12px;
                font-size: 12px;
                height: 34px;
            }
            .deep-content h3 {
                font-size: 18px;
            }
            .steps-list li {
                padding-left: 44px;
                font-size: 14px;
            }
            .steps-list li::before {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 14px;
                padding: 10px 18px;
                height: 42px;
                min-width: 100px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container-main {
                padding: 0 12px;
            }
            .layout-with-sidebar {
                padding: 0 12px;
            }
            .header-search {
                max-width: 120px;
                padding: 0 10px;
            }
            .header-search input {
                font-size: 12px;
            }
            .category-hero {
                padding: 18px 14px;
                border-radius: 12px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .category-hero .hero-tag {
                font-size: 11px;
                padding: 4px 10px;
            }
            .section-header h2 {
                font-size: 18px;
            }
            .glass-card {
                padding: 18px 16px;
            }
            .help-topic-card {
                padding: 18px 16px;
            }
            .deep-content {
                padding: 20px 14px;
                border-radius: 12px;
            }
            .cta-section {
                padding: 22px 16px;
                border-radius: 12px;
            }
            .cta-section h3 {
                font-size: 19px;
            }
            .data-note {
                font-size: 12px;
                padding: 10px 12px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
        }

        @media (max-width: 374px) {
            .header-search {
                display: none;
            }
            .logo-text {
                font-size: 15px;
            }
            .category-hero h1 {
                font-size: 18px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                min-width: 0;
            }
            .cta-buttons {
                flex-direction: column;
            }
        }