/* roulang page: index */
:root {
            --bg-primary: #081A2F;
            --bg-secondary: #0B2541;
            --bg-tertiary: #0D2A47;
            --bg-glass: rgba(13, 35, 55, 0.55);
            --bg-glass-light: rgba(255, 255, 255, 0.06);
            --border-glass: 1px solid rgba(255, 255, 255, 0.14);
            --border-glass-hover: 1px solid rgba(34, 211, 238, 0.55);
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --accent-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-input: 12px;
            --radius-badge: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            --shadow-glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.4), 0 8px 30px rgba(34, 211, 238, 0.35);
            --shadow-glow-cyan-hover: 0 0 0 1px rgba(34, 211, 238, 0.7), 0 12px 44px rgba(34, 211, 238, 0.5);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 0%, rgba(13, 42, 71, 0.85) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 10%, rgba(11, 37, 65, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(8, 26, 47, 0.95) 0%, transparent 60%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: #6ee7f7;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        :focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 68px;
            background: rgba(8, 26, 47, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .hamburger-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-glass);
            border: var(--border-glass);
            color: var(--text-primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-base);
        }

        .hamburger-btn:hover {
            background: rgba(34, 211, 238, 0.15);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            transition: opacity var(--transition-base);
        }

        .logo-link:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(245, 158, 11, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--accent-cyan);
            font-size: 16px;
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
        }

        .logo-text {
            white-space: nowrap;
        }

        .header-center {
            flex: 1;
            max-width: 380px;
            min-width: 200px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 0 14px;
            height: 40px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
        }

        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }

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

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

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

        .header-select-group {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-select {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: 10px;
            color: var(--text-secondary);
            padding: 8px 12px;
            font-size: 13px;
            cursor: pointer;
            transition: border-color var(--transition-base), color var(--transition-base);
            appearance: none;
            -webkit-appearance: none;
        }

        .header-select:hover {
            border-color: rgba(34, 211, 238, 0.4);
            color: var(--text-primary);
        }

        .header-select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }

        /* Mobile drawer overlay */
        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        /* Sidebar */
        .doc-sidebar {
            position: fixed;
            top: 68px;
            left: 0;
            width: 240px;
            height: calc(100vh - 68px);
            background: rgba(8, 26, 47, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 990;
            overflow-y: auto;
            padding: 20px 0 32px;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .doc-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .doc-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }

        .sidebar-group {
            margin-bottom: 18px;
        }

        .sidebar-group-title {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            color: var(--text-muted);
            padding: 0 20px 8px;
        }

        .sidebar-nav {
            list-style: none;
        }

        .sidebar-nav li {
            margin: 0;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            border-left: 2px solid transparent;
            transition: all var(--transition-base);
        }

        .sidebar-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .sidebar-nav a.active {
            color: var(--accent-cyan);
            border-left-color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.08);
        }

        .sidebar-nav a i {
            font-size: 12px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        /* Main content wrapper */
        .main-wrapper {
            display: flex;
            min-height: calc(100vh - 68px);
        }

        .main-content {
            flex: 1;
            margin-left: 240px;
            padding: 0;
            min-width: 0;
        }

        /* Section styles */
        .section {
            padding: 64px 0;
            position: relative;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-alt {
            background: rgba(11, 37, 65, 0.35);
        }

        .section-glow {
            background: radial-gradient(ellipse at 50% 0%, rgba(34, 211, 238, 0.04) 0%, transparent 60%);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
            color: var(--text-primary);
            line-height: 1.35;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 720px;
            margin-bottom: 32px;
        }

        /* Hero */
        .hero-section {
            padding: 56px 0 72px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/f87a303c4e237c0d.webp');
            background-size: cover;
            background-position: center;
            min-height: 620px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(8, 26, 47, 0.75) 0%, rgba(8, 26, 47, 0.85) 40%, rgba(8, 26, 47, 0.92) 100%);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(circle at 30% 20%, rgba(34, 211, 238, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 70% 60%, rgba(245, 158, 11, 0.06) 0%, transparent 35%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text-area {
            padding-right: 16px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.3);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 32px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            min-height: 48px;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #22D3EE, #0ea5e9);
            color: #081A2F;
            box-shadow: var(--shadow-glow-cyan);
            border: none;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-cyan-hover);
            transform: translateY(-1px);
            color: #081A2F;
            filter: brightness(1.1);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.4), 0 4px 16px rgba(34, 211, 238, 0.25);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
        }

        .btn-ghost:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.06);
            box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.25);
        }

        .btn-ghost:active {
            transform: translateY(1px);
        }

        .btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
        }

        /* Hero data board */
        .hero-board {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .board-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .board-card:hover {
            border-color: rgba(34, 211, 238, 0.4);
            box-shadow: var(--shadow-card-hover);
        }

        .board-card-label {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 0.6px;
            margin-bottom: 6px;
            text-transform: uppercase;
        }

        .board-card-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .board-card-value .highlight-cyan {
            color: var(--accent-cyan);
        }

        .board-card-value .highlight-amber {
            color: var(--accent-amber);
        }

        .board-card-value .highlight-green {
            color: var(--accent-green);
        }

        .board-card-value .highlight-red {
            color: var(--accent-red);
        }

        .board-card-trend {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .board-card-trend .up {
            color: var(--accent-green);
        }

        .board-card-trend .down {
            color: var(--accent-red);
        }

        .board-card-trend .flat {
            color: var(--text-muted);
        }

        /* Grid systems */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

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

        /* Card */
        .card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 24px 26px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            border-color: rgba(34, 211, 238, 0.45);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 20px;
            margin-bottom: 14px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .card-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(34, 211, 238, 0.3);
        }

        .card-badge.amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-amber);
            border-color: rgba(245, 158, 11, 0.3);
        }

        .card-badge.green {
            background: rgba(52, 211, 153, 0.12);
            color: var(--accent-green);
            border-color: rgba(52, 211, 153, 0.3);
        }

        .card-badge.red {
            background: rgba(248, 113, 113, 0.12);
            color: var(--accent-red);
            border-color: rgba(248, 113, 113, 0.3);
        }

        /* Image card */
        .image-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-glass);
            border: var(--border-glass);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            min-height: 220px;
        }

        .image-card:hover {
            border-color: rgba(34, 211, 238, 0.45);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .image-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 220px;
            opacity: 0.8;
            transition: opacity var(--transition-base);
        }

        .image-card:hover img {
            opacity: 0.95;
        }

        .image-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(8, 26, 47, 0.92));
        }

        .image-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .image-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Comparison table */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            background: var(--bg-glass);
            border: var(--border-glass);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 680px;
        }

        .comparison-table th {
            text-align: left;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .comparison-table td {
            padding: 14px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            font-family: var(--font-sans);
        }

        .comparison-table td.score-cell {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .comparison-table tr:hover td {
            background: rgba(255, 255, 255, 0.03);
        }

        .comparison-table .team-name {
            color: var(--text-primary);
            font-weight: 600;
        }

        .comparison-table .score-diff {
            color: var(--accent-amber);
            font-weight: 700;
            font-size: 12px;
            margin-left: 6px;
        }

        /* Timeline */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-cyan), rgba(34, 211, 238, 0.15), var(--accent-amber));
        }

        .timeline-item {
            position: relative;
            padding: 20px 0 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .timeline-item:last-child {
            border-bottom: none;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 28px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
        }

        .timeline-item.amber::before {
            background: var(--accent-amber);
            box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
        }

        .timeline-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .timeline-item-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .timeline-item-date {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            margin-bottom: 4px;
        }

        /* List items */
        .list-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .list-item-img {
            width: 100px;
            height: 68px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .list-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .list-item-content {
            flex: 1;
            min-width: 0;
        }

        .list-item-tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .list-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .list-item-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

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

        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(34, 211, 238, 0.35);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            transition: color var(--transition-base);
            user-select: none;
        }

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

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Form */
        .form-container {
            background: var(--bg-glass);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-card);
            max-width: 560px;
            margin: 0 auto;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-input,
        .form-select {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-input);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .form-input:focus,
        .form-select:focus {
            outline: none;
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
        }

        .form-select {
            appearance: none;
            -webkit-appearance: none;
        }

        .form-select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }

        .form-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 10px;
            line-height: 1.6;
        }

        /* Quick answer */
        .quick-answer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .qa-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: 14px;
            padding: 20px 22px;
            transition: all var(--transition-base);
        }

        .qa-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: var(--shadow-card);
        }

        .qa-card-question {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .qa-card-question i {
            color: var(--accent-cyan);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .qa-card-answer {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* Bottom entry */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .entry-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: 14px;
            padding: 20px;
            text-align: center;
            transition: all var(--transition-base);
            display: block;
            color: var(--text-primary);
        }

        .entry-card:hover {
            border-color: rgba(34, 211, 238, 0.45);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            color: var(--text-primary);
        }

        .entry-card-icon {
            font-size: 28px;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }

        .entry-card-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .entry-card-desc {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* Footer */
        .site-footer {
            background: rgba(6, 20, 36, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 48px 0 32px;
            margin-left: 240px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
        }

        .footer-brand-name {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-col-links {
            list-style: none;
        }

        .footer-col-links li {
            margin-bottom: 8px;
        }

        .footer-col-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .footer-col-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Shimmer effect */
        .shimmer {
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.03) 25%, rgba(255, 255, 255, 0.08) 50%, rgba(255, 255, 255, 0.03) 75%);
            background-size: 200% 100%;
            animation: shimmer 2s infinite;
            border-radius: 4px;
        }

        @keyframes shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }

        /* Pulse for score updates */
        @keyframes pulse-soft {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .pulse-soft {
            animation: pulse-soft 2.5s ease-in-out infinite;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .doc-sidebar {
                transform: translateX(-100%);
                width: 260px;
                z-index: 999;
            }

            .doc-sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 32px rgba(0, 0, 0, 0.4);
            }

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

            .site-footer {
                margin-left: 0;
            }

            .hamburger-btn {
                display: flex;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-board {
                grid-template-columns: 1fr 1fr;
            }

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

            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }

            .hero-section {
                padding: 40px 0 48px;
                min-height: auto;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .section-title {
                font-size: 22px;
            }

            .grid-2,
            .grid-3,
            .grid-4,
            .quick-answer-grid {
                grid-template-columns: 1fr;
            }

            .hero-board {
                grid-template-columns: 1fr;
            }

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

            .form-container {
                padding: 24px;
            }

            .header-center {
                display: none;
            }

            .header-select-group .header-select:first-child {
                display: none;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .comparison-table {
                font-size: 12px;
                min-width: 480px;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 10px 14px;
            }

            .btn {
                padding: 11px 20px;
                font-size: 14px;
                min-height: 44px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-title {
                font-size: 26px;
            }

            .section-title {
                font-size: 20px;
            }

            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }

            .hero-cta-group .btn {
                width: 100%;
            }

            .board-card-value {
                font-size: 26px;
            }

            .card {
                padding: 18px 20px;
            }

            .logo-text {
                font-size: 17px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #081A2F;
            --bg-secondary: #0B2541;
            --bg-tertiary: #0D2A47;
            --bg-glass: rgba(13, 35, 55, 0.55);
            --bg-glass-light: rgba(255, 255, 255, 0.06);
            --border-glass: 1px solid rgba(255, 255, 255, 0.14);
            --border-glass-hover: 1px solid rgba(34, 211, 238, 0.55);
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --accent-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-input: 12px;
            --radius-badge: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            --shadow-glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.4), 0 8px 30px rgba(34, 211, 238, 0.35);
            --shadow-glow-cyan-hover: 0 0 0 1px rgba(34, 211, 238, 0.7), 0 12px 44px rgba(34, 211, 238, 0.5);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 0%, rgba(13, 42, 71, 0.85) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 10%, rgba(11, 37, 65, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(8, 26, 47, 0.95) 0%, transparent 60%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: #6ee7f7;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 68px;
            background: rgba(8, 26, 47, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .hamburger-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-glass);
            border: var(--border-glass);
            color: var(--text-primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-base);
        }
        .hamburger-btn:hover {
            background: rgba(34, 211, 238, 0.15);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            transition: opacity var(--transition-base);
        }
        .logo-link:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(245, 158, 11, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--accent-cyan);
            font-size: 16px;
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
        }
        .logo-text {
            white-space: nowrap;
        }
        .header-center {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 420px;
            flex: 1;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-input);
            padding: 0 14px;
            height: 40px;
            flex: 1;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.55);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }
        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .header-search input {
            background: none;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-select {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-input);
            color: var(--text-secondary);
            padding: 6px 12px;
            font-size: 13px;
            outline: none;
            cursor: pointer;
            height: 40px;
            transition: border-color var(--transition-base);
        }
        .header-select:hover {
            border-color: rgba(34, 211, 238, 0.4);
        }
        .header-select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 8px;
        }
        .desktop-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color var(--transition-base), background var(--transition-base);
        }
        .desktop-nav a:hover {
            color: var(--text-primary);
            background: rgba(34, 211, 238, 0.1);
        }
        .desktop-nav a.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.12);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .mobile-nav-overlay.open {
            opacity: 1;
        }
        .doc-layout {
            display: flex;
            gap: 32px;
            padding: 32px 24px 64px;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }
        .doc-sidebar {
            width: 240px;
            flex-shrink: 0;
            position: sticky;
            top: 100px;
            align-self: flex-start;
            max-height: calc(100vh - 120px);
            overflow-y: auto;
            padding-right: 6px;
        }
        .doc-sidebar-inner {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 18px 14px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .doc-sidebar-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 12px;
            padding: 0 8px;
        }
        .doc-sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .doc-sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            border-left: 2px solid transparent;
        }
        .doc-sidebar-nav a:hover {
            color: var(--text-primary);
            background: rgba(34, 211, 238, 0.08);
        }
        .doc-sidebar-nav a.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.12);
            border-left: 2px solid var(--accent-cyan);
        }
        .doc-sidebar-nav a i {
            font-size: 13px;
            width: 18px;
            text-align: center;
            color: var(--text-muted);
        }
        .doc-sidebar-nav a.active i {
            color: var(--accent-cyan);
        }
        .doc-content {
            flex: 1;
            min-width: 0;
        }
        .doc-main {
            display: flex;
            flex-direction: column;
            gap: 48px;
        }
        .page-section {
            scroll-margin-top: 96px;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-nav .sep {
            color: var(--text-muted);
            opacity: 0.6;
        }
        .page-h1-section {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding: 0 0 8px;
        }
        .page-h1-section h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }
        .page-h1-section .h1-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
        }
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-group label {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .filter-group select,
        .filter-group input {
            background: rgba(255, 255, 255, 0.06);
            border: var(--border-glass);
            border-radius: 8px;
            color: var(--text-primary);
            padding: 7px 10px;
            font-size: 13px;
            outline: none;
            cursor: pointer;
            transition: border-color var(--transition-base);
        }
        .filter-group select:hover,
        .filter-group input:hover {
            border-color: rgba(34, 211, 238, 0.4);
        }
        .filter-group select:focus,
        .filter-group input:focus {
            border-color: rgba(34, 211, 238, 0.6);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }
        .filter-group select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .score-card-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .score-card {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .score-card:hover {
            border-color: rgba(34, 211, 238, 0.5);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .score-card-img {
            position: relative;
            height: 150px;
            overflow: hidden;
            background: var(--bg-tertiary);
        }
        .score-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .score-card:hover .score-card-img img {
            transform: scale(1.04);
        }
        .score-card-img .img-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(8, 26, 47, 0.85);
            border: 1px solid rgba(34, 211, 238, 0.4);
            border-radius: var(--radius-badge);
            padding: 4px 10px;
            font-size: 12px;
            color: var(--accent-cyan);
            font-weight: 600;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .score-card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .score-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .score-card-meta .meta-badge {
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 11px;
            color: var(--accent-cyan);
            font-weight: 600;
        }
        .score-card-meta .meta-badge.amber {
            background: rgba(245, 158, 11, 0.12);
            border-color: rgba(245, 158, 11, 0.3);
            color: var(--accent-amber);
        }
        .score-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .score-card-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .score-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--text-muted);
        }
        .score-card-footer .update-time {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .score-card-footer .update-time i {
            font-size: 11px;
        }
        .score-indicator {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.5px;
        }
        .score-indicator.red {
            color: var(--accent-red);
        }
        .score-indicator.amber {
            color: var(--accent-amber);
        }
        .data-scope-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .scope-card {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .scope-card:hover {
            border-color: rgba(34, 211, 238, 0.4);
            box-shadow: var(--shadow-card-hover);
        }
        .scope-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 18px;
            margin-bottom: 12px;
        }
        .scope-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .scope-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .related-guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .guide-card {
            display: flex;
            gap: 14px;
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 16px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .guide-card:hover {
            border-color: rgba(34, 211, 238, 0.4);
            box-shadow: var(--shadow-card-hover);
        }
        .guide-card-img {
            width: 80px;
            height: 80px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-tertiary);
        }
        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .guide-card-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .guide-card-info .tag {
            font-size: 11px;
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.1);
            border-radius: 6px;
            padding: 2px 8px;
            align-self: flex-start;
            font-weight: 600;
        }
        .guide-card-info h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .guide-card-info p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: border-color var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(34, 211, 238, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 18px;
            cursor: pointer;
            transition: background var(--transition-base);
        }
        .faq-question:hover {
            background: rgba(34, 211, 238, 0.05);
        }
        .faq-question span {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .faq-question i {
            color: var(--text-muted);
            font-size: 14px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-base);
            padding: 0 18px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 18px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .subscribe-form-card {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .subscribe-form-card h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .subscribe-form-card .form-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .form-field {
            flex: 1;
            min-width: 180px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-field label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .form-field input,
        .form-field select {
            background: rgba(255, 255, 255, 0.06);
            border: var(--border-glass);
            border-radius: var(--radius-input);
            color: var(--text-primary);
            padding: 10px 14px;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .form-field input:focus,
        .form-field select:focus {
            border-color: rgba(34, 211, 238, 0.6);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }
        .form-field select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent-cyan);
            color: #081A2F;
            box-shadow: var(--shadow-glow-cyan);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-cyan-hover);
            background: #3dd8f0;
            color: #081A2F;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-glow-cyan);
        }
        .btn-primary:focus {
            outline: 2px solid rgba(34, 211, 238, 0.7);
            outline-offset: 2px;
        }
        .btn-ghost {
            background: rgba(34, 211, 238, 0.08);
            border: 1px solid rgba(34, 211, 238, 0.4);
            color: var(--accent-cyan);
        }
        .btn-ghost:hover {
            background: rgba(34, 211, 238, 0.16);
            border-color: rgba(34, 211, 238, 0.7);
            box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.15);
            color: #6ee7f7;
        }
        .btn-ghost:active {
            transform: translateY(1px);
        }
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .category-entry-card {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .category-entry-card:hover {
            border-color: rgba(34, 211, 238, 0.5);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .category-entry-card .entry-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 16px;
            margin-bottom: 4px;
        }
        .category-entry-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .category-entry-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .section-header {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
        }
        .section-header h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-header h2::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 22px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
        }
        .section-header p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        .site-footer {
            background: rgba(8, 26, 47, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            padding: 48px 0 24px;
            margin-top: 64px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-col-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--text-muted);
        }
        .load-more-btn {
            display: flex;
            justify-content: center;
            margin-top: 24px;
        }
        @media (max-width: 1024px) {
            .score-card-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-scope-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .header-center {
                max-width: 200px;
            }
            .header-right .header-select {
                display: none;
            }
            .doc-layout {
                padding: 20px 16px 48px;
                gap: 0;
            }
            .doc-sidebar {
                position: fixed;
                top: 0;
                left: -260px;
                width: 260px;
                height: 100vh;
                z-index: 999;
                padding: 0;
                background: var(--bg-secondary);
                transition: left 0.3s ease;
                max-height: none;
                overflow-y: auto;
                border-radius: 0;
            }
            .doc-sidebar.open {
                left: 0;
            }
            .doc-sidebar-inner {
                border-radius: 0;
                border: none;
                box-shadow: none;
                padding: 24px 16px;
                min-height: 100%;
                background: var(--bg-secondary);
            }
            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-nav-overlay.open {
                pointer-events: auto;
            }
            .doc-content {
                width: 100%;
            }
            .page-h1-section h1 {
                font-size: 28px;
            }
            .score-card-list {
                grid-template-columns: 1fr;
            }
            .data-scope-grid {
                grid-template-columns: 1fr;
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
            }
            .related-guide-grid {
                grid-template-columns: 1fr;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                flex-wrap: wrap;
            }
            .filter-group select,
            .filter-group input {
                flex: 1;
                min-width: 120px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .form-row {
                flex-direction: column;
            }
            .form-field {
                min-width: 100%;
            }
            .guide-card {
                flex-direction: column;
            }
            .guide-card-img {
                width: 100%;
                height: 140px;
            }
            .section-header h2 {
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
            .header-search {
                padding: 0 10px;
                height: 36px;
            }
            .header-search input {
                font-size: 13px;
            }
            .page-h1-section h1 {
                font-size: 24px;
            }
            .score-card-img {
                height: 130px;
            }
            .subscribe-form-card {
                padding: 20px;
            }
            .subscribe-form-card h2 {
                font-size: 19px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #081A2F;
            --bg-secondary: #0B2541;
            --bg-tertiary: #0D2A47;
            --bg-glass: rgba(13, 35, 55, 0.55);
            --bg-glass-light: rgba(255, 255, 255, 0.06);
            --border-glass: 1px solid rgba(255, 255, 255, 0.14);
            --border-glass-hover: 1px solid rgba(34, 211, 238, 0.55);
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --accent-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-input: 12px;
            --radius-badge: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            --shadow-glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.4), 0 8px 30px rgba(34, 211, 238, 0.35);
            --shadow-glow-cyan-hover: 0 0 0 1px rgba(34, 211, 238, 0.7), 0 12px 44px rgba(34, 211, 238, 0.5);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 0%, rgba(13, 42, 71, 0.85) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 10%, rgba(11, 37, 65, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(8, 26, 47, 0.95) 0%, transparent 60%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: linear-gradient(rgba(34, 211, 238, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

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

        a:hover {
            color: #6ee7f7;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        /* 覆盖Bootstrap默认 */
        .btn:focus,
        .form-control:focus,
        .form-select:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.5);
        }

        .form-control,
        .form-select {
            background: rgba(13, 35, 55, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--text-primary);
            border-radius: var(--radius-input);
            min-height: 44px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .form-control::placeholder {
            color: var(--text-muted);
        }

        .form-control:focus,
        .form-select:focus {
            background: rgba(13, 35, 55, 0.85);
            border-color: rgba(34, 211, 238, 0.55);
            color: var(--text-primary);
        }

        .form-select option {
            background: #0D2A47;
            color: var(--text-primary);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 68px;
            background: rgba(8, 26, 47, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .hamburger-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-glass);
            border: var(--border-glass);
            color: var(--text-primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-base);
        }

        .hamburger-btn:hover {
            background: rgba(34, 211, 238, 0.15);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            transition: opacity var(--transition-base);
        }

        .logo-link:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(245, 158, 11, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--accent-cyan);
            font-size: 16px;
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
        }

        .logo-text {
            white-space: nowrap;
        }

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

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

        .header-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-base);
            min-height: 40px;
        }

        .header-nav-link:hover {
            color: var(--text-primary);
            background: rgba(34, 211, 238, 0.08);
        }

        .header-nav-link.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.12);
        }

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

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0 14px;
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-input);
            min-height: 40px;
            min-width: 180px;
            transition: border-color var(--transition-base);
        }

        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.55);
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
            min-height: 38px;
        }

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

        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
        }

        .version-dropdown,
        .lang-dropdown {
            min-height: 40px;
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0 12px;
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-input);
            color: var(--text-secondary);
            font-size: 13px;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .version-dropdown:hover,
        .lang-dropdown:hover {
            background: rgba(34, 211, 238, 0.1);
            color: var(--text-primary);
        }

        .version-dropdown i,
        .lang-dropdown i {
            font-size: 12px;
        }

        /* Sidebar */
        .doc-sidebar {
            position: fixed;
            top: 68px;
            left: 0;
            bottom: 0;
            width: 240px;
            background: rgba(8, 26, 47, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 16px;
            overflow-y: auto;
            z-index: 900;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .doc-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .doc-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }

        .sidebar-group-title {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.6px;
            color: var(--text-muted);
            text-transform: uppercase;
            margin: 20px 8px 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .sidebar-nav {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-nav li {
            margin-bottom: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            transition: all var(--transition-base);
            min-height: 40px;
            position: relative;
        }

        .sidebar-nav a:hover {
            color: var(--text-primary);
            background: rgba(34, 211, 238, 0.08);
        }

        .sidebar-nav a.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.12);
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 20px;
            background: var(--accent-cyan);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav a i {
            font-size: 14px;
            width: 18px;
            text-align: center;
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

        .sidebar-nav a.active i,
        .sidebar-nav a:hover i {
            color: var(--accent-cyan);
        }

        .sidebar-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 850;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .sidebar-backdrop.show {
            display: block;
        }

        /* Main layout */
        .main-wrapper {
            margin-left: 240px;
            position: relative;
            z-index: 1;
            min-height: calc(100vh - 68px);
        }

        .main-content {
            padding: 32px 0 64px;
        }

        /* Breadcrumb */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

        .breadcrumb-custom a:hover {
            color: var(--accent-cyan);
        }

        .breadcrumb-custom i {
            font-size: 11px;
            color: var(--text-muted);
        }

        .breadcrumb-custom .current {
            color: var(--accent-cyan);
            font-weight: 500;
        }

        /* Section base */
        .section-block {
            margin-bottom: 48px;
            scroll-margin-top: 84px;
        }

        .section-block:last-child {
            margin-bottom: 24px;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.3px;
        }

        .section-title i {
            color: var(--accent-cyan);
            font-size: 22px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        /* Glass card */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
        }

        /* H1 area */
        .category-hero {
            padding: 32px 28px;
            background: linear-gradient(135deg, rgba(13, 35, 55, 0.7) 0%, rgba(11, 37, 65, 0.6) 100%);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 300px;
            height: 180px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            position: relative;
            z-index: 1;
        }

        .category-hero .desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 680px;
            position: relative;
            z-index: 1;
        }

        .category-hero .badge-group {
            display: flex;
            gap: 8px;
            margin-top: 18px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(34, 211, 238, 0.3);
        }

        .badge-custom.amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-amber);
            border-color: rgba(245, 158, 11, 0.3);
        }

        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        .filter-toolbar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            margin-right: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-toolbar select,
        .filter-toolbar input {
            background: rgba(13, 35, 55, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-input);
            color: var(--text-primary);
            min-height: 40px;
            padding: 0 12px;
            font-size: 14px;
            transition: border-color var(--transition-base);
            min-width: 130px;
        }

        .filter-toolbar select:focus,
        .filter-toolbar input:focus {
            border-color: rgba(34, 211, 238, 0.55);
            outline: none;
        }

        .filter-toolbar select option {
            background: #0D2A47;
            color: var(--text-primary);
        }

        .filter-toolbar .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0 20px;
            min-height: 40px;
            border-radius: var(--radius-btn);
            background: var(--accent-cyan);
            color: #081A2F;
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow-cyan);
            white-space: nowrap;
        }

        .filter-toolbar .filter-btn:hover {
            box-shadow: var(--shadow-glow-cyan-hover);
            background: #38ddf5;
            color: #081A2F;
        }

        .filter-toolbar .filter-btn:active {
            transform: translateY(1px);
            box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.5), 0 4px 18px rgba(34, 211, 238, 0.25);
        }

        .filter-toolbar .filter-reset {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0 14px;
            min-height: 40px;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-secondary);
            font-size: 14px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .filter-toolbar .filter-reset:hover {
            border-color: rgba(34, 211, 238, 0.5);
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.08);
        }

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

        .score-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

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

        .score-card-img {
            height: 150px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

        .score-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .score-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 26, 47, 0.1) 0%, rgba(8, 26, 47, 0.7) 100%);
            pointer-events: none;
        }

        .score-card-img .status-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            background: rgba(34, 211, 238, 0.85);
            color: #081A2F;
        }

        .score-card-img .status-badge.amber {
            background: rgba(245, 158, 11, 0.85);
            color: #081A2F;
        }

        .score-card-img .status-badge.green {
            background: rgba(52, 211, 153, 0.85);
            color: #081A2F;
        }

        .score-card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .score-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin: 0;
            letter-spacing: 0.2px;
        }

        .score-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .score-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .score-card-time {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .score-card-badge {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .score-card-badge.cyan {
            color: var(--accent-cyan);
        }

        .score-card-badge.amber {
            color: var(--accent-amber);
        }

        .score-card-badge.green {
            color: var(--accent-green);
        }

        .score-card-badge.red {
            color: var(--accent-red);
        }

        .list-more {
            display: flex;
            justify-content: center;
            margin-top: 24px;
        }

        .list-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1px solid rgba(34, 211, 238, 0.4);
            color: var(--accent-cyan);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-base);
            min-height: 44px;
        }

        .list-more-link:hover {
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.7);
            color: #6ee7f7;
        }

        /* Data guide */
        .data-guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-guide-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 18px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .data-guide-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .data-guide-card .dg-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 12px;
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(34, 211, 238, 0.25);
        }

        .data-guide-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }

        .data-guide-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Related guides */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .related-card {
            display: flex;
            gap: 16px;
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 16px 18px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            align-items: center;
        }

        .related-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .related-card-img {
            width: 72px;
            height: 72px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-card-info h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.5;
        }

        .related-card-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .related-card-info .rel-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.1);
            padding: 2px 8px;
            border-radius: 6px;
            margin-bottom: 6px;
        }

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

        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.22);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition-base);
            min-height: 48px;
        }

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

        .faq-question .fa-chevron-down {
            font-size: 13px;
            color: var(--text-muted);
            transition: transform 0.35s ease, color var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.85;
        }

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

        /* Subscribe form */
        .subscribe-form-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            text-align: center;
        }

        .subscribe-form-card h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .subscribe-form-card .sub-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .subscribe-form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .subscribe-form-row input,
        .subscribe-form-row select {
            background: rgba(13, 35, 55, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-input);
            color: var(--text-primary);
            min-height: 48px;
            padding: 0 14px;
            font-size: 14px;
            flex: 1 1 180px;
            transition: border-color var(--transition-base);
            min-width: 0;
        }

        .subscribe-form-row input:focus,
        .subscribe-form-row select:focus {
            border-color: rgba(34, 211, 238, 0.55);
            outline: none;
        }

        .subscribe-form-row input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form-row select option {
            background: #0D2A47;
            color: var(--text-primary);
        }

        .subscribe-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0 28px;
            min-height: 48px;
            border-radius: var(--radius-btn);
            background: var(--accent-cyan);
            color: #081A2F;
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow-cyan);
            white-space: nowrap;
            flex: 0 0 auto;
        }

        .subscribe-btn:hover {
            box-shadow: var(--shadow-glow-cyan-hover);
            background: #38ddf5;
            color: #081A2F;
        }

        .subscribe-btn:active {
            transform: translateY(1px);
        }

        .form-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 14px;
        }

        /* Category entries */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .entry-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px 18px;
            text-align: center;
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .entry-card .entry-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 12px;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(245, 158, 11, 0.1));
            color: var(--accent-cyan);
            border: 1px solid rgba(34, 211, 238, 0.3);
        }

        .entry-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .entry-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 26, 47, 0.96);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 40px 0 20px;
            position: relative;
            z-index: 1;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 28px;
        }

        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-col-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .score-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }

            .header-nav {
                display: none;
            }

            .header-search {
                min-width: 120px;
                flex: 1;
            }

            .version-dropdown,
            .lang-dropdown {
                padding: 0 8px;
                font-size: 12px;
            }

            .doc-sidebar {
                transform: translateX(-100%);
                width: 280px;
                top: 0;
                z-index: 950;
                box-shadow: 8px 0 32px rgba(0, 0, 0, 0.4);
            }

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

            .sidebar-backdrop.show {
                display: block;
            }

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

            .main-content {
                padding: 20px 0 40px;
            }

            .category-hero {
                padding: 24px 18px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 20px;
            }

            .score-list-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .data-guide-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .entry-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

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

            .subscribe-form-row {
                flex-direction: column;
            }

            .subscribe-form-row input,
            .subscribe-form-row select,
            .subscribe-btn {
                flex: 1 1 auto;
                width: 100%;
            }

            .filter-toolbar {
                padding: 14px 12px;
                gap: 8px;
            }

            .filter-toolbar select,
            .filter-toolbar input {
                flex: 1 1 100%;
                min-width: 0;
            }

            .filter-toolbar .filter-btn,
            .filter-toolbar .filter-reset {
                flex: 1 1 auto;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .header-search {
                display: none;
            }

            .header-right {
                gap: 4px;
            }

            .version-dropdown,
            .lang-dropdown {
                min-height: 36px;
                font-size: 11px;
                padding: 0 6px;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
                border-radius: 8px;
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .category-hero .desc {
                font-size: 14px;
            }

            .section-title {
                font-size: 18px;
            }

            .score-card-title {
                font-size: 14px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 触控目标 */
        @media (pointer: coarse) {
            .header-nav-link,
            .sidebar-nav a,
            .filter-toolbar select,
            .filter-toolbar input,
            .filter-toolbar .filter-btn,
            .filter-toolbar .filter-reset,
            .list-more-link,
            .subscribe-btn,
            .faq-question {
                min-height: 44px;
            }
        }

        /* 数字等宽 */
        .mono-num {
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }

/* roulang page: category3 */
:root {
            --bg-primary: #081A2F;
            --bg-secondary: #0B2541;
            --bg-tertiary: #0D2A47;
            --bg-glass: rgba(13, 35, 55, 0.55);
            --bg-glass-light: rgba(255, 255, 255, 0.06);
            --border-glass: 1px solid rgba(255, 255, 255, 0.14);
            --border-glass-hover: 1px solid rgba(34, 211, 238, 0.55);
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --accent-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-input: 12px;
            --radius-badge: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            --shadow-glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.4), 0 8px 30px rgba(34, 211, 238, 0.35);
            --shadow-glow-cyan-hover: 0 0 0 1px rgba(34, 211, 238, 0.7), 0 12px 44px rgba(34, 211, 238, 0.5);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 0%, rgba(13, 42, 71, 0.85) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 10%, rgba(11, 37, 65, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(8, 26, 47, 0.95) 0%, transparent 60%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: #6ee7f7;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 68px;
            background: rgba(8, 26, 47, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .hamburger-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-glass);
            border: var(--border-glass);
            color: var(--text-primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-base);
        }
        .hamburger-btn:hover {
            background: rgba(34, 211, 238, 0.15);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            transition: opacity var(--transition-base);
        }
        .logo-link:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(245, 158, 11, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--accent-cyan);
            font-size: 16px;
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
        }

        .logo-text {
            white-space: nowrap;
        }

        .header-center {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            max-width: 400px;
            margin: 0 auto;
        }

        .header-search {
            width: 100%;
            display: flex;
            align-items: center;
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-input);
            padding: 0 14px;
            height: 42px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
        }
        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 10px;
        }
        .header-search input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .header-select-wrap {
            position: relative;
        }
        .header-select {
            appearance: none;
            -webkit-appearance: none;
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 13px;
            padding: 8px 30px 8px 12px;
            height: 38px;
            cursor: pointer;
            outline: none;
            transition: border-color var(--transition-base), color var(--transition-base);
        }
        .header-select:hover {
            border-color: rgba(34, 211, 238, 0.5);
            color: var(--text-primary);
        }
        .header-select-wrap i {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
            color: var(--text-muted);
            font-size: 12px;
        }

        .header-nav-desktop {
            display: none;
            align-items: center;
            gap: 4px;
            margin-left: 4px;
        }
        @media(min-width: 1100px) {
            .header-nav-desktop {
                display: flex;
            }
        }
        .header-nav-link {
            padding: 8px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: color var(--transition-base), background var(--transition-base);
            white-space: nowrap;
        }
        .header-nav-link:hover {
            color: var(--text-primary);
            background: rgba(34, 211, 238, 0.1);
        }
        .header-nav-link.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.12);
        }

        @media(max-width: 1099px) {
            .header-center {
                max-width: none;
            }
            .header-right .header-select-wrap:nth-child(1) {
                display: none;
            }
        }
        @media(max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .header-center {
                display: none;
            }
            .header-right .header-select-wrap {
                display: none;
            }
            .header-right {
                gap: 0;
            }
            .site-header {
                height: 60px;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
        }

        /* Doc Layout */
        .doc-layout {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            gap: 28px;
            min-height: calc(100vh - 68px);
        }

        .doc-sidebar {
            width: 240px;
            flex-shrink: 0;
            position: sticky;
            top: 68px;
            align-self: flex-start;
            height: calc(100vh - 68px);
            overflow-y: auto;
            padding: 28px 0 32px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
        }
        .doc-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .doc-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .doc-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
        }

        .doc-sidebar-group {
            margin-bottom: 20px;
        }
        .doc-sidebar-title {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 8px;
            padding: 0 12px;
        }
        .doc-sidebar-link {
            display: block;
            padding: 7px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            transition: color var(--transition-base), background var(--transition-base);
        }
        .doc-sidebar-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .doc-sidebar-link.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.12);
            border-left: 2px solid var(--accent-cyan);
            padding-left: 10px;
        }

        .doc-content {
            flex: 1;
            min-width: 0;
            padding: 28px 0 64px;
        }

        /* Mobile sidebar overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(4, 12, 22, 0.65);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
        .sidebar-overlay.show {
            display: block;
        }

        @media(max-width: 768px) {
            .doc-layout {
                padding: 0 16px;
            }
            .doc-sidebar {
                position: fixed;
                left: -280px;
                top: 60px;
                width: 260px;
                height: calc(100vh - 60px);
                background: var(--bg-secondary);
                border-right: 1px solid rgba(255, 255, 255, 0.12);
                z-index: 1001;
                transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
                padding: 20px 12px 32px;
            }
            .doc-sidebar.open {
                left: 0;
            }
            .doc-content {
                padding: 20px 0 48px;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb i {
            font-size: 10px;
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text-secondary);
        }

        /* Category Hero */
        .category-hero {
            background: radial-gradient(ellipse at 30% 20%, rgba(34, 211, 238, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(245, 158, 11, 0.08) 0%, transparent 55%);
            border-radius: var(--radius-card);
            border: var(--border-glass);
            padding: 32px 32px 28px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-card);
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.2px;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .category-hero p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        @media(max-width: 768px) {
            .category-hero {
                padding: 22px 18px 20px;
                border-radius: 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero p {
                font-size: 15px;
            }
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: 16px;
            padding: 16px 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 28px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            margin-right: 2px;
        }
        .filter-select {
            appearance: none;
            -webkit-appearance: none;
            background: var(--bg-glass-light);
            border: var(--border-glass);
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 13px;
            padding: 7px 28px 7px 12px;
            cursor: pointer;
            outline: none;
            transition: border-color var(--transition-base), color var(--transition-base);
            min-width: 120px;
        }
        .filter-select:hover {
            border-color: rgba(34, 211, 238, 0.5);
            color: var(--text-primary);
        }
        .filter-btn {
            padding: 7px 18px;
            border-radius: 8px;
            background: var(--accent-cyan);
            color: #081A2F;
            font-weight: 600;
            font-size: 13px;
            transition: background var(--transition-base), box-shadow var(--transition-base);
            box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.3), 0 4px 16px rgba(34, 211, 238, 0.25);
        }
        .filter-btn:hover {
            background: #5ee0f5;
            box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.6), 0 6px 24px rgba(34, 211, 238, 0.4);
        }
        .filter-btn:active {
            transform: translateY(1px);
        }
        @media(max-width: 768px) {
            .filter-toolbar {
                padding: 12px 14px;
                gap: 8px;
            }
            .filter-group {
                flex-wrap: wrap;
            }
            .filter-select {
                min-width: 100px;
                font-size: 12px;
                padding: 6px 24px 6px 10px;
            }
            .filter-btn {
                font-size: 12px;
                padding: 6px 14px;
            }
        }

        /* Section Common */
        .section-block {
            margin-bottom: 40px;
        }
        .section-head {
            margin-bottom: 18px;
        }
        .section-head h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.1px;
            margin-bottom: 6px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media(max-width: 768px) {
            .section-head h2 {
                font-size: 20px;
            }
            .section-head p {
                font-size: 14px;
            }
        }

        /* Schedule Card List */
        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media(min-width: 992px) {
            .schedule-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media(max-width: 640px) {
            .schedule-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        .schedule-card {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .schedule-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .schedule-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-tertiary);
        }
        .schedule-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .schedule-card:hover .schedule-card-img img {
            transform: scale(1.04);
        }
        .schedule-card-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(8, 26, 47, 0.7) 100%);
            pointer-events: none;
        }
        .schedule-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(8, 26, 47, 0.75);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-badge);
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-cyan);
            z-index: 2;
        }
        .schedule-card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-amber);
            color: #081A2F;
            border-radius: var(--radius-badge);
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 700;
            z-index: 2;
        }
        .schedule-card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .schedule-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .schedule-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .schedule-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .schedule-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .schedule-card-meta i {
            font-size: 11px;
        }
        .more-link-wrap {
            margin-top: 20px;
            text-align: center;
        }
        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 28px;
            border-radius: 10px;
            border: 1px solid rgba(34, 211, 238, 0.4);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 14px;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .more-link:hover {
            background: rgba(34, 211, 238, 0.12);
            box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.5), 0 4px 20px rgba(34, 211, 238, 0.25);
        }
        .more-link i {
            font-size: 12px;
        }

        /* Data Guide */
        .data-guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media(max-width: 992px) {
            .data-guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width: 520px) {
            .data-guide-grid {
                grid-template-columns: 1fr;
            }
        }
        .data-guide-card {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: 16px;
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .data-guide-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .data-guide-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(34, 211, 238, 0.15);
            border: 1px solid rgba(34, 211, 238, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 18px;
            margin-bottom: 12px;
        }
        .data-guide-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .data-guide-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Related Articles */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        @media(max-width: 992px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }
        .related-card {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: 14px;
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
        }
        .related-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .related-card-tag {
            display: inline-block;
            background: rgba(34, 211, 238, 0.15);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: var(--radius-badge);
            padding: 3px 8px;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }
        .related-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .related-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }
        .related-card-date {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item.active {
            border-color: var(--border-glass-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 18px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            transition: background var(--transition-base);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .faq-question h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(34, 211, 238, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 13px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 18px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 18px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Subscribe Form */
        .subscribe-section {
            background: radial-gradient(ellipse at 50% 30%, rgba(34, 211, 238, 0.1) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 70%, rgba(245, 158, 11, 0.06) 0%, transparent 50%);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            text-align: center;
        }
        .subscribe-section h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .subscribe-section p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .subscribe-form input,
        .subscribe-form select {
            background: var(--bg-glass-light);
            border: var(--border-glass);
            border-radius: var(--radius-input);
            padding: 10px 16px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            min-width: 160px;
            flex: 1;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .subscribe-form input:focus,
        .subscribe-form select:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form select {
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
        }
        .subscribe-btn {
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            background: var(--accent-cyan);
            color: #081A2F;
            font-weight: 700;
            font-size: 14px;
            box-shadow: var(--shadow-glow-cyan);
            transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
        }
        .subscribe-btn:hover {
            background: #5ee0f5;
            box-shadow: var(--shadow-glow-cyan-hover);
        }
        .subscribe-btn:active {
            transform: translateY(1px);
        }
        @media(max-width: 768px) {
            .subscribe-section {
                padding: 24px 18px;
                border-radius: 16px;
            }
            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }
            .subscribe-form input,
            .subscribe-form select {
                min-width: 100%;
            }
            .subscribe-btn {
                width: 100%;
            }
        }

        /* Related Channels */
        .channels-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        @media(max-width: 992px) {
            .channels-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width: 520px) {
            .channels-grid {
                grid-template-columns: 1fr;
            }
        }
        .channel-card {
            background: var(--bg-glass);
            border: var(--border-glass);
            border-radius: 14px;
            padding: 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
        }
        .channel-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .channel-card i {
            font-size: 22px;
            color: var(--accent-cyan);
            margin-bottom: 8px;
            display: block;
        }
        .channel-card h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .channel-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 20, 35, 0.92);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 40px 0 20px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 28px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-col-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: var(--text-muted);
        }
        @media(max-width: 992px) {
            .footer-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media(max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #081A2F;
            --bg-secondary: #0B2541;
            --bg-tertiary: #0D2A47;
            --bg-glass: rgba(13, 35, 55, 0.55);
            --bg-glass-light: rgba(255, 255, 255, 0.06);
            --border-glass: 1px solid rgba(255, 255, 255, 0.14);
            --border-glass-hover: 1px solid rgba(34, 211, 238, 0.55);
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --accent-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-input: 12px;
            --radius-badge: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            --shadow-glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.4), 0 8px 30px rgba(34, 211, 238, 0.35);
            --shadow-glow-cyan-hover: 0 0 0 1px rgba(34, 211, 238, 0.7), 0 12px 44px rgba(34, 211, 238, 0.5);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 0%, rgba(13, 42, 71, 0.85) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 10%, rgba(11, 37, 65, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(8, 26, 47, 0.95) 0%, transparent 60%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: #6ee7f7;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 68px;
            background: rgba(8, 26, 47, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .hamburger-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-glass);
            border: var(--border-glass);
            color: var(--text-primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-base);
        }
        .hamburger-btn:hover {
            background: rgba(34, 211, 238, 0.15);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            transition: opacity var(--transition-base);
        }
        .logo-link:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(245, 158, 11, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--accent-cyan);
            font-size: 16px;
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
        }
        .logo-text {
            white-space: nowrap;
        }
        .header-center {
            flex: 1;
            max-width: 320px;
            margin: 0 auto;
        }
        .header-search {
            position: relative;
            width: 100%;
        }
        .header-search input {
            width: 100%;
            height: 40px;
            padding: 0 16px 0 40px;
            border-radius: 10px;
            border: var(--border-glass);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border var(--transition-base), background var(--transition-base);
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search input:focus {
            border-color: rgba(34, 211, 238, 0.55);
            background: rgba(34, 211, 238, 0.08);
        }
        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .header-select {
            height: 40px;
            padding: 0 12px;
            border-radius: 10px;
            border: var(--border-glass);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            font-size: 13px;
            outline: none;
            cursor: pointer;
            transition: border var(--transition-base);
        }
        .header-select:hover {
            border-color: rgba(34, 211, 238, 0.35);
        }
        .header-select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.04);
            border: var(--border-glass);
            border-radius: 12px;
            padding: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .desktop-nav::-webkit-scrollbar {
            display: none;
        }
        .desktop-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .desktop-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .desktop-nav a.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.12);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(0, 0, 0, 0.55);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }
        .mobile-nav-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            z-index: 1001;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--bg-secondary);
            border-right: var(--border-glass);
            padding: 24px 20px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform var(--transition-smooth);
        }
        .mobile-nav-panel.active {
            transform: translateX(0);
        }
        .mobile-nav-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .mobile-nav-panel .close-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-glass);
            border: var(--border-glass);
            color: var(--text-primary);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-nav-panel .nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-panel .nav-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 15px;
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }
        .mobile-nav-panel .nav-links a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }
        .mobile-nav-panel .nav-links a.active {
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-cyan);
        }
        .layout-wrapper {
            display: flex;
            gap: 32px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 32px 24px 0;
            position: relative;
        }
        .doc-sidebar {
            width: 240px;
            flex-shrink: 0;
            position: sticky;
            top: 100px;
            height: calc(100vh - 120px);
            overflow-y: auto;
            padding-right: 8px;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .doc-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .doc-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .doc-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .doc-sidebar .doc-sidebar-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
            padding-left: 12px;
        }
        .doc-sidebar .doc-nav-group {
            display: flex;
            flex-direction: column;
            gap: 2px;
            margin-bottom: 16px;
        }
        .doc-sidebar .doc-nav-group-label {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 12px;
        }
        .doc-sidebar .doc-nav-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            border-left: 2px solid transparent;
        }
        .doc-sidebar .doc-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .doc-sidebar .doc-nav-link.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.08);
            border-left-color: var(--accent-cyan);
        }
        .doc-sidebar .doc-nav-link i {
            font-size: 12px;
            width: 16px;
            text-align: center;
            color: var(--accent-cyan);
        }
        .main-content {
            flex: 1;
            min-width: 0;
            padding-bottom: 80px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 11px;
        }
        .breadcrumb .current {
            color: var(--accent-cyan);
        }
        .category-hero {
            margin-bottom: 32px;
            padding: 32px 36px;
            background: rgba(13, 35, 55, 0.55);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(34, 211, 238, 0.08) 0%, transparent 55%);
            pointer-events: none;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .category-hero p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(34, 211, 238, 0.25);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            padding: 16px 20px;
            background: rgba(13, 35, 55, 0.5);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: var(--border-glass);
            border-radius: 14px;
            margin-bottom: 32px;
        }
        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .filter-toolbar .filter-btn {
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .filter-toolbar .filter-btn:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.08);
        }
        .filter-toolbar .filter-btn.active {
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .filter-toolbar .filter-select {
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: var(--border-glass);
            outline: none;
            cursor: pointer;
        }
        .filter-toolbar .filter-select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .section-block {
            margin-bottom: 48px;
        }
        .section-block .section-header {
            margin-bottom: 20px;
        }
        .section-block .section-header h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 6px;
        }
        .section-block .section-header p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .odds-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .odds-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 24px;
            background: rgba(13, 35, 55, 0.55);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .odds-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .odds-card .card-thumb {
            width: 100px;
            height: 70px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.05);
        }
        .odds-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .odds-card .card-body {
            flex: 1;
            min-width: 0;
        }
        .odds-card .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }
        .odds-card .card-meta .tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 6px;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(34, 211, 238, 0.2);
        }
        .odds-card .card-meta .tag.amber {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-amber);
            border-color: rgba(245, 158, 11, 0.2);
        }
        .odds-card .card-meta .tag.green {
            background: rgba(52, 211, 153, 0.1);
            color: var(--accent-green);
            border-color: rgba(52, 211, 153, 0.2);
        }
        .odds-card .card-meta .tag.red {
            background: rgba(248, 113, 113, 0.1);
            color: var(--accent-red);
            border-color: rgba(248, 113, 113, 0.2);
        }
        .odds-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .odds-card .card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .odds-card .card-side {
            flex-shrink: 0;
            text-align: right;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 4px;
            min-width: 80px;
        }
        .odds-card .card-side .update-time {
            font-size: 12px;
            color: var(--text-muted);
        }
        .odds-card .card-side .indicator-badge {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .odds-card .card-side .indicator-badge.cyan {
            color: var(--accent-cyan);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .odds-card .card-side .indicator-badge.amber {
            color: var(--accent-amber);
            border-color: rgba(245, 158, 11, 0.3);
        }
        .odds-card .card-side .indicator-badge.green {
            color: var(--accent-green);
            border-color: rgba(52, 211, 153, 0.3);
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.08);
            border: 1px solid rgba(34, 211, 238, 0.25);
            transition: all var(--transition-base);
        }
        .load-more-btn:hover {
            background: rgba(34, 211, 238, 0.15);
            border-color: rgba(34, 211, 238, 0.45);
            box-shadow: var(--shadow-glow-cyan);
        }
        .data-guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .data-guide-item {
            padding: 20px 24px;
            background: rgba(13, 35, 55, 0.5);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: var(--border-glass);
            border-radius: 14px;
            transition: all var(--transition-base);
        }
        .data-guide-item:hover {
            border-color: var(--border-glass-hover);
        }
        .data-guide-item .guide-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .data-guide-item .guide-title i {
            color: var(--accent-cyan);
            font-size: 14px;
        }
        .data-guide-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-card {
            padding: 18px 20px;
            background: rgba(13, 35, 55, 0.5);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: var(--border-glass);
            border-radius: 14px;
            transition: all var(--transition-base);
        }
        .related-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .related-card .related-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 6px;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-cyan);
            margin-bottom: 10px;
            display: inline-block;
        }
        .related-card .related-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .related-card .related-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .faq-wrapper {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(13, 35, 55, 0.5);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-glass-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition-base);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(34, 211, 238, 0.08);
            border: 1px solid rgba(34, 211, 238, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 12px;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-base);
            padding: 0 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .subscribe-section {
            padding: 36px 40px;
            background: rgba(13, 35, 55, 0.55);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .subscribe-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(34, 211, 238, 0.06) 0%, transparent 50%);
            pointer-events: none;
        }
        .subscribe-section .subscribe-header {
            text-align: center;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .subscribe-section .subscribe-header h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .subscribe-section .subscribe-header p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .subscribe-form {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr auto;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        .subscribe-form .form-field input,
        .subscribe-form .form-field select {
            width: 100%;
            height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-input);
            border: var(--border-glass);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border var(--transition-base), background var(--transition-base);
        }
        .subscribe-form .form-field input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form .form-field input:focus,
        .subscribe-form .form-field select:focus {
            border-color: rgba(34, 211, 238, 0.55);
            background: rgba(34, 211, 238, 0.06);
        }
        .subscribe-form .form-field select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 700;
            color: #081A2F;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            transition: all var(--transition-base);
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-primary:hover {
            background: #6ee7f7;
            box-shadow: var(--shadow-glow-cyan-hover);
            transform: translateY(-1px);
            color: #081A2F;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.5), 0 4px 16px rgba(34, 211, 238, 0.3);
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(34, 211, 238, 0.7);
            outline-offset: 2px;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(34, 211, 238, 0.06);
            border: 1px solid rgba(34, 211, 238, 0.3);
            transition: all var(--transition-base);
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-ghost:hover {
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.5);
            box-shadow: var(--shadow-glow-cyan);
            color: var(--accent-cyan);
        }
        .btn-ghost:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-ghost:focus-visible {
            outline: 2px solid rgba(34, 211, 238, 0.7);
            outline-offset: 2px;
        }
        .subscribe-buttons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 16px;
            position: relative;
            z-index: 1;
        }
        .subscribe-count {
            text-align: center;
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 12px;
            position: relative;
            z-index: 1;
        }
        .subscribe-count strong {
            color: var(--accent-amber);
            font-family: var(--font-mono);
            font-weight: 700;
        }
        .category-links-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .category-link-card {
            padding: 24px 20px;
            background: rgba(13, 35, 55, 0.5);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: var(--border-glass);
            border-radius: 14px;
            text-align: center;
            transition: all var(--transition-base);
            display: block;
        }
        .category-link-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .category-link-card .link-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 18px;
            color: var(--accent-cyan);
        }
        .category-link-card .link-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .category-link-card .link-desc {
            font-size: 12px;
            color: var(--text-muted);
        }
        .site-footer {
            background: rgba(8, 26, 47, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .footer-col-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col-links li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-col-links li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .layout-wrapper {
                flex-direction: column;
                gap: 24px;
            }
            .doc-sidebar {
                width: 100%;
                position: static;
                height: auto;
                overflow-y: visible;
                display: none;
            }
            .doc-sidebar.show-mobile {
                display: block;
            }
            .header-center {
                max-width: 200px;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .mobile-nav-panel {
                display: block;
            }
            .mobile-nav-overlay {
                display: block;
            }
            .data-guide-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-links-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subscribe-form {
                grid-template-columns: 1fr 1fr;
            }
            .footer-inner {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .layout-wrapper {
                padding: 24px 16px 0;
            }
            .category-hero {
                padding: 24px 20px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .odds-card {
                flex-direction: column;
                padding: 16px;
                gap: 12px;
            }
            .odds-card .card-thumb {
                width: 100%;
                height: 140px;
            }
            .odds-card .card-side {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                width: 100%;
                text-align: left;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .category-links-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .subscribe-section {
                padding: 24px 20px;
            }
            .subscribe-form {
                grid-template-columns: 1fr;
            }
            .subscribe-buttons {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-toolbar {
                gap: 8px;
                padding: 12px 16px;
            }
            .filter-toolbar .filter-btn {
                padding: 5px 10px;
                font-size: 12px;
            }
            .section-block {
                margin-bottom: 36px;
            }
            .section-block .section-header h2 {
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .header-center {
                display: none;
            }
            .header-right .header-select {
                display: none;
            }
            .header-right .header-select:first-of-type {
                display: block;
            }
            .category-links-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 22px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #081A2F;
            --bg-secondary: #0B2541;
            --bg-tertiary: #0D2A47;
            --bg-glass: rgba(13, 35, 55, 0.55);
            --bg-glass-light: rgba(255, 255, 255, 0.06);
            --border-glass: 1px solid rgba(255, 255, 255, 0.14);
            --border-glass-hover: 1px solid rgba(34, 211, 238, 0.55);
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --accent-cyan: #22D3EE;
            --accent-amber: #F59E0B;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-input: 12px;
            --radius-badge: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            --shadow-glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.4), 0 8px 30px rgba(34, 211, 238, 0.35);
            --shadow-glow-cyan-hover: 0 0 0 1px rgba(34, 211, 238, 0.7), 0 12px 44px rgba(34, 211, 238, 0.5);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            scroll-padding-top: 80px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 0%, rgba(13, 42, 71, 0.85) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 10%, rgba(11, 37, 65, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 100%, rgba(8, 26, 47, 0.95) 0%, transparent 60%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: #6ee7f7;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 68px;
            background: rgba(8, 26, 47, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .hamburger-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-glass);
            border: var(--border-glass);
            color: var(--text-primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-base);
        }
        .hamburger-btn:hover {
            background: rgba(34, 211, 238, 0.15);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            transition: opacity var(--transition-base);
            white-space: nowrap;
        }
        .logo-link:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(245, 158, 11, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--accent-cyan);
            font-size: 16px;
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
        }
        .logo-text {
            white-space: nowrap;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 10px;
            padding: 0 12px;
            height: 40px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.55);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
        }
        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 14px;
            padding: 8px 12px;
            height: 40px;
            outline: none;
            cursor: pointer;
            transition: border-color var(--transition-base);
        }
        .header-select:focus {
            border-color: rgba(34, 211, 238, 0.55);
        }
        .header-select option {
            background: #0B2541;
            color: #F8FAFC;
        }

        /* Layout wrapper */
        .layout-wrapper {
            display: flex;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
            min-height: calc(100vh - 68px);
        }

        /* Doc Sidebar */
        .doc-sidebar {
            width: 240px;
            flex-shrink: 0;
            padding-top: 32px;
            position: sticky;
            top: 68px;
            height: calc(100vh - 68px);
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            padding-right: 16px;
        }
        .doc-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .doc-sidebar::-webkit-scrollbar-thumb {
            background: rgba(34, 211, 238, 0.3);
            border-radius: 4px;
        }
        .doc-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar-nav {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav li a {
            display: block;
            padding: 10px 14px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            border-left: 2px solid transparent;
        }
        .sidebar-nav li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }
        .sidebar-nav li a.active {
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-cyan);
            border-left-color: var(--accent-cyan);
        }
        .sidebar-nav li a i {
            margin-right: 8px;
            font-size: 12px;
            width: 16px;
            text-align: center;
        }
        .sidebar-group {
            padding: 8px 14px 4px;
            font-size: 12px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
        }

        /* Main content */
        .main-content {
            flex: 1;
            min-width: 0;
            padding-top: 32px;
            padding-bottom: 64px;
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-nav span.separator {
            color: var(--text-muted);
            font-size: 10px;
        }
        .breadcrumb-nav span.current {
            color: var(--accent-cyan);
        }

        /* Section base */
        .section-block {
            margin-bottom: 64px;
        }
        .section-block:last-child {
            margin-bottom: 0;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        /* Category Hero Area */
        .category-hero {
            display: block;
            margin-bottom: 32px;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.6px;
            line-height: 1.3;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 720px;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            box-shadow: var(--shadow-card);
            margin-bottom: 32px;
        }
        .filter-bar .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-bar .filter-label i {
            font-size: 13px;
        }
        .filter-select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 14px;
            padding: 8px 12px;
            min-height: 40px;
            outline: none;
            cursor: pointer;
            transition: border-color var(--transition-base);
            min-width: 130px;
        }
        .filter-select:focus {
            border-color: rgba(34, 211, 238, 0.55);
        }
        .filter-select option {
            background: #0B2541;
            color: #F8FAFC;
        }
        .filter-btn {
            background: rgba(34, 211, 238, 0.15);
            border: 1px solid rgba(34, 211, 238, 0.35);
            border-radius: 8px;
            color: var(--accent-cyan);
            font-size: 14px;
            padding: 8px 18px;
            min-height: 40px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .filter-btn:hover {
            background: rgba(34, 211, 238, 0.25);
            box-shadow: var(--shadow-glow-cyan);
        }
        .filter-btn:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        /* Report cards grid */
        .report-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .report-card {
            display: flex;
            gap: 16px;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-decoration: none;
            color: var(--text-primary);
            position: relative;
            overflow: hidden;
        }
        .report-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            color: var(--text-primary);
        }
        .report-card:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        .report-card .card-img-wrap {
            width: 120px;
            height: 120px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.05);
            position: relative;
        }
        .report-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .report-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .report-card .card-img-wrap .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(245, 158, 11, 0.08));
            pointer-events: none;
        }
        .report-card .card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .report-card .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .report-card .card-tags .badge-tag {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.28);
            color: var(--accent-cyan);
            font-weight: 600;
        }
        .report-card .card-tags .badge-tag.amber {
            background: rgba(245, 158, 11, 0.12);
            border-color: rgba(245, 158, 11, 0.3);
            color: var(--accent-amber);
        }
        .report-card .card-tags .badge-tag.green {
            background: rgba(52, 211, 153, 0.12);
            border-color: rgba(52, 211, 153, 0.3);
            color: var(--accent-green);
        }
        .report-card .card-title-link {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-base);
        }
        .report-card:hover .card-title-link {
            color: var(--accent-cyan);
        }
        .report-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
            flex: 1;
        }
        .report-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .report-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .report-card .card-meta .meta-left i {
            font-size: 12px;
        }
        .report-card .card-meta .meta-badge {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 6px;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(34, 211, 238, 0.25);
        }
        .report-card .card-meta .meta-badge.red {
            background: rgba(248, 113, 113, 0.1);
            border-color: rgba(248, 113, 113, 0.25);
            color: var(--accent-red);
        }
        .report-card .card-meta .meta-badge.green {
            background: rgba(52, 211, 153, 0.1);
            border-color: rgba(52, 211, 153, 0.25);
            color: var(--accent-green);
        }

        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 24px;
            background: rgba(255, 255, 255, 0.05);
            border: var(--border-glass);
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-base);
        }
        .load-more-btn:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: rgba(34, 211, 238, 0.4);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }
        .load-more-btn:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        /* Data guide section */
        .data-guide-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .guide-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .guide-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .guide-card .guide-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 16px;
            margin-bottom: 12px;
        }
        .guide-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .guide-card .guide-value {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-green);
            background: rgba(52, 211, 153, 0.08);
            border: 1px solid rgba(52, 211, 153, 0.22);
            border-radius: 6px;
            padding: 2px 10px;
            margin-top: 8px;
        }

        /* Related articles */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-decoration: none;
            color: var(--text-primary);
        }
        .related-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            color: var(--text-primary);
        }
        .related-card .related-img {
            width: 100%;
            aspect-ratio: 16/9;
            border-radius: 10px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.05);
            margin-bottom: 12px;
        }
        .related-card .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-card h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ section */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: var(--border-glass);
            border-radius: 14px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.22);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            transition: color var(--transition-base);
            text-align: left;
            width: 100%;
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: -4px;
        }
        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 12px;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-toggle {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Subscribe form */
        .subscribe-section {
            background: var(--bg-glass);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: var(--border-glass);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }
        .subscribe-section .subscribe-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .subscribe-section .subscribe-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr auto;
            gap: 12px;
        }
        .subscribe-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .subscribe-form label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .subscribe-form input,
        .subscribe-form select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            min-height: 44px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .subscribe-form input:focus,
        .subscribe-form select:focus {
            border-color: rgba(34, 211, 238, 0.55);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form select option {
            background: #0B2541;
            color: #F8FAFC;
        }
        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(34, 211, 238, 0.15);
            border: 1px solid rgba(34, 211, 238, 0.4);
            border-radius: var(--radius-btn);
            color: var(--accent-cyan);
            font-size: 15px;
            font-weight: 700;
            padding: 10px 28px;
            min-height: 44px;
            box-shadow: var(--shadow-glow-cyan);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary-glow:hover {
            background: rgba(34, 211, 238, 0.25);
            box-shadow: var(--shadow-glow-cyan-hover);
            color: #6ee7f7;
        }
        .btn-primary-glow:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        .btn-primary-glow:active {
            transform: translateY(1px);
        }
        .subscribe-form .form-footnote {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 8px;
            grid-column: 1 / -1;
        }

        /* Category links section */
        .category-links-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .category-link-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: var(--border-glass);
            border-radius: 16px;
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-decoration: none;
            color: var(--text-primary);
            text-align: center;
        }
        .category-link-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            color: var(--text-primary);
        }
        .category-link-card .link-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 16px;
            margin: 0 auto 10px;
        }
        .category-link-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .category-link-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: #061727;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col-links li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-col-links li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Mobile sidebar overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .sidebar-overlay.active {
            opacity: 1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .report-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-links-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subscribe-form {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-form .form-footnote {
                grid-column: 1 / -1;
            }
            .header-search {
                min-width: 140px;
            }
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .header-search {
                display: none;
            }
            .header-select {
                display: none;
            }
            .layout-wrapper {
                padding: 0 16px;
                gap: 0;
            }
            .doc-sidebar {
                position: fixed;
                top: 0;
                left: -280px;
                width: 280px;
                height: 100vh;
                z-index: 999;
                background: #0B2541;
                border-right: 1px solid rgba(255, 255, 255, 0.1);
                padding: 80px 20px 32px;
                transition: left var(--transition-smooth);
                overflow-y: auto;
                top: 0;
            }
            .doc-sidebar.open {
                left: 0;
            }
            .sidebar-overlay.active {
                display: block;
            }
            .main-content {
                padding-top: 24px;
                padding-bottom: 48px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .data-guide-grid {
                grid-template-columns: 1fr;
            }
            .category-links-grid {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-form {
                grid-template-columns: 1fr;
            }
            .report-card {
                flex-direction: column;
            }
            .report-card .card-img-wrap {
                width: 100%;
                height: 160px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .section-block {
                margin-bottom: 48px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-links-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-select {
                width: 100%;
            }
            .filter-btn {
                width: 100%;
            }
            .section-title {
                font-size: 20px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .header-right {
                gap: 6px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}