/* roulang page: index */
:root {
            --bg-primary: #0A0E14;
            --bg-panel: #111820;
            --bg-card: #182230;
            --bg-card-hover: #1d2a3a;
            --primary: #00D4A6;
            --primary-bright: #00E5B0;
            --secondary: #7C5CFF;
            --accent-cta: #FF6B35;
            --text-primary: #E8EEF5;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border: #1F2A35;
            --border-hover: rgba(0, 212, 166, 0.35);
            --success: #2ECC71;
            --danger: #FF4D4F;
            --radius-card: 12px;
            --radius-small: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.55);
            --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }

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

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        .mono {
            font-family: var(--font-mono);
        }

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

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: nowrap;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            margin-right: 8px;
            transition: color var(--transition-fast);
        }
        .logo:hover {
            color: var(--primary-bright);
        }
        .logo .logo-icon {
            margin-right: 6px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-card {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .nav-card .nav-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .nav-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            color: var(--primary-bright);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
        }
        .nav-card:hover .nav-icon {
            color: var(--primary);
        }
        .nav-card.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }
        .nav-card.active .nav-icon {
            color: var(--primary);
        }

        .nav-cta {
            flex-shrink: 0;
            padding: 9px 18px;
            background: var(--primary);
            color: #0A0E14;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-small);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
        }
        .nav-cta:hover {
            background: var(--primary-bright);
            color: #0A0E14;
            box-shadow: 0 4px 14px rgba(0, 212, 166, 0.35);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-shrink: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 20px;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .hamburger:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .mobile-nav-panel {
            display: none;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
        }
        .mobile-nav-panel.open {
            max-height: 500px;
            padding: 16px 24px;
        }
        .mobile-nav-panel .nav-card {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 15px;
        }
        .mobile-nav-panel .nav-cta {
            text-align: center;
            padding: 12px;
            font-size: 14px;
        }

        /* ============ SECTION BASE ============ */
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .section-title .highlight {
            color: var(--primary);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            padding: 64px 0 56px;
            background: var(--bg-primary);
            overflow: hidden;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 20, 0.92) 0%, rgba(17, 24, 32, 0.88) 50%, rgba(10, 14, 20, 0.94) 100%);
            z-index: 1;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/0bc55c36cd147517.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: center;
        }
        .hero-text {
            max-width: 680px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(0, 212, 166, 0.12);
            border: 1px solid rgba(0, 212, 166, 0.3);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-title .accent {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 28px;
            max-width: 620px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-data-strip {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-data-item {
            text-align: left;
        }
        .hero-data-num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-data-label {
            font-size: 12px;
            color: var(--text-muted);
        }

        .hero-vertical-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            position: relative;
            aspect-ratio: 3/4.2;
            max-height: 540px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            overflow: hidden;
        }
        .hero-vertical-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .hero-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .hero-card-header .live-dot {
            width: 8px;
            height: 8px;
            background: var(--danger);
            border-radius: 50%;
            display: inline-block;
            animation: pulse 1.5s ease infinite;
            margin-right: 6px;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }
        .hero-match-card {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            padding: 12px 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .hero-match-teams {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
        }
        .hero-match-score {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            text-align: center;
            padding: 6px 0;
        }
        .hero-match-meta {
            display: flex;
            justify-content: space-between;
            font-size: 11px;
            color: var(--text-muted);
        }
        .hero-card-mini-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .hero-card-mini-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-secondary);
            padding: 6px 10px;
            background: var(--bg-panel);
            border-radius: var(--radius-small);
            border: 1px solid var(--border);
        }
        .hero-card-mini-item .mini-tag {
            font-family: var(--font-mono);
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-small);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #0A0E14;
            font-weight: 700;
        }
        .btn-primary:hover {
            background: var(--primary-bright);
            color: #0A0E14;
            box-shadow: 0 6px 20px rgba(0, 212, 166, 0.35);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            background: #00B88E;
            transform: translateY(0);
        }
        .btn-cta {
            background: var(--accent-cta);
            color: #FFFFFF;
            font-weight: 700;
        }
        .btn-cta:hover {
            background: #E55A2B;
            color: #FFFFFF;
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
            transform: translateY(-2px);
        }
        .btn-cta:active {
            background: #CC4E22;
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-primary);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-bright);
            background: rgba(0, 212, 166, 0.06);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .btn-xs {
            padding: 5px 12px;
            font-size: 12px;
            border-radius: 5px;
        }

        /* ============ CARDS ============ */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .card-icon {
            width: 46px;
            height: 46px;
            border-radius: var(--radius-small);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            background: rgba(0, 212, 166, 0.1);
            color: var(--primary);
            border: 1px solid rgba(0, 212, 166, 0.2);
        }
        .card-icon.purple {
            background: rgba(124, 92, 255, 0.1);
            color: var(--secondary);
            border-color: rgba(124, 92, 255, 0.25);
        }
        .card-icon.orange {
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent-cta);
            border-color: rgba(255, 107, 53, 0.25);
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }
        .card-link:hover {
            gap: 10px;
            color: var(--primary-bright);
        }

        /* ============ BADGE ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }
        .badge-green {
            background: rgba(0, 212, 166, 0.1);
            color: var(--primary);
            border: 1px solid rgba(0, 212, 166, 0.3);
        }
        .badge-purple {
            background: rgba(124, 92, 255, 0.1);
            color: var(--secondary);
            border: 1px solid rgba(124, 92, 255, 0.3);
        }
        .badge-orange {
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent-cta);
            border: 1px solid rgba(255, 107, 53, 0.3);
        }
        .badge-gray {
            background: rgba(148, 163, 184, 0.1);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }

        /* ============ GRID ============ */
        .grid-custom {
            display: grid;
            gap: 20px;
        }
        .grid-2 { grid-template-columns: repeat(2, 1fr); }
        .grid-3 { grid-template-columns: repeat(3, 1fr); }
        .grid-4 { grid-template-columns: repeat(4, 1fr); }

        /* ============ METRIC BOARD ============ */
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .metric-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .metric-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .metric-value .unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .metric-bar {
            height: 4px;
            background: var(--border);
            border-radius: 2px;
            margin-top: 12px;
            overflow: hidden;
        }
        .metric-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
            transition: width 0.8s ease;
        }

        /* ============ COMPARE ============ */
        .compare-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            overflow: hidden;
        }
        .compare-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            min-width: 80px;
            flex-shrink: 0;
        }
        .compare-bar-track {
            flex: 1;
            height: 18px;
            background: var(--bg-panel);
            border-radius: 4px;
            overflow: hidden;
            position: relative;
        }
        .compare-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: width 0.5s ease;
        }
        .compare-bar-fill.orange {
            background: linear-gradient(90deg, var(--accent-cta), #FF9A5C);
        }
        .compare-value {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            min-width: 50px;
            text-align: right;
            flex-shrink: 0;
        }
        .compare-value.orange {
            color: var(--accent-cta);
        }

        /* ============ NEWS ============ */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition-smooth);
        }
        .news-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(0, 212, 166, 0.08);
            border: 1px solid rgba(0, 212, 166, 0.25);
            padding: 6px 12px;
            border-radius: var(--radius-small);
            white-space: nowrap;
            flex-shrink: 0;
            text-align: center;
            min-width: 76px;
        }
        .news-body {
            flex: 1;
        }
        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-link:hover {
            color: var(--primary-bright);
        }

        /* ============ TIMELINE ============ */
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--secondary), var(--border));
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 24px 16px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -23px;
            top: 8px;
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 0 2px var(--border);
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-year {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .timeline-desc {
            font-size: 15px;
            color: var(--text-primary);
            font-weight: 500;
            line-height: 1.6;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--bg-card-hover);
        }
        .faq-question .faq-arrow {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ============ FORM ============ */
        .form-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 15px;
            font-family: inherit;
            transition: all var(--transition-fast);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 212, 166, 0.12);
        }
        .form-input::placeholder {
            color: var(--text-muted);
        }
        .form-select {
            width: 100%;
            padding: 12px 16px;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 15px;
            font-family: inherit;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2394A3B8' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .form-select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 212, 166, 0.12);
        }
        .form-select option {
            background: var(--bg-panel);
            color: var(--text-primary);
        }
        .trust-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 18px;
            justify-content: center;
        }
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .trust-badge i {
            color: var(--primary);
            font-size: 14px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            font-size: 24px;
            margin-bottom: 10px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-vertical-card {
                max-width: 420px;
                aspect-ratio: 16/10;
                max-height: none;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-title {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
                margin-left: auto;
            }
            .nav-cta {
                display: none;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .mobile-nav-panel .nav-cta {
                display: block;
            }
            .grid-3,
            .grid-4,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 26px;
                line-height: 1.35;
            }
            .hero-desc {
                font-size: 15px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .form-panel {
                padding: 24px 18px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .compare-row {
                flex-wrap: wrap;
            }
            .compare-label {
                min-width: 100%;
            }
            .hero-data-strip {
                gap: 16px;
            }
            .hero-vertical-card {
                aspect-ratio: auto;
                max-height: 400px;
            }
        }

        @media (max-width: 520px) {
            .container-fluid-custom {
                padding: 0 16px;
            }
            .nav-container {
                padding: 0 16px;
            }
            .mobile-nav-panel {
                padding: 12px 16px;
            }
            .hero-title {
                font-size: 23px;
            }
            .section-title {
                font-size: 20px;
            }
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .metric-value {
                font-size: 26px;
            }
            .trust-badges {
                flex-direction: column;
                align-items: center;
            }
        }

        .icon-accent {
            color: var(--primary);
        }
        .icon-purple {
            color: var(--secondary);
        }
        .icon-orange {
            color: var(--accent-cta);
        }
        .text-accent {
            color: var(--primary);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mt-0 { margin-top: 0; }
        .mt-2 { margin-top: 8px; }
        .mt-4 { margin-top: 16px; }
        .mt-6 { margin-top: 24px; }
        .mb-0 { margin-bottom: 0; }
        .mb-2 { margin-bottom: 8px; }
        .mb-4 { margin-bottom: 16px; }
        .mb-6 { margin-bottom: 24px; }
        .text-center { text-align: center; }
        .w-full { width: 100%; }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0E14;
            --bg-panel: #111820;
            --bg-card: #182230;
            --bg-card-hover: #1d2a3a;
            --primary: #00D4A6;
            --primary-bright: #00E5B0;
            --secondary: #7C5CFF;
            --accent-cta: #FF6B35;
            --text-primary: #E8EEF5;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border: #1F2A35;
            --border-hover: rgba(0, 212, 166, 0.35);
            --success: #2ECC71;
            --danger: #FF4D4F;
            --radius-card: 12px;
            --radius-small: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.55);
            --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container-fluid-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: nowrap;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            margin-right: 8px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--primary-bright);
        }
        .logo .logo-icon {
            margin-right: 6px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-card {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-card .nav-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .nav-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            color: var(--primary-bright);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
        }
        .nav-card:hover .nav-icon {
            color: var(--primary);
        }
        .nav-card.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }
        .nav-card.active .nav-icon {
            color: var(--primary);
        }
        .nav-cta {
            flex-shrink: 0;
            padding: 9px 18px;
            background: var(--primary);
            color: #0A0E14;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-small);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
        }
        .nav-cta:hover {
            background: var(--primary-bright);
            color: #0A0E14;
            box-shadow: 0 4px 14px rgba(0, 212, 166, 0.35);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            flex-shrink: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 20px;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .hamburger:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .mobile-nav-panel {
            display: none;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-card {
            width: 100%;
            justify-content: flex-start;
        }
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: block;
                margin-left: auto;
            }
        }
        /* ============ BREADCRUMB ============ */
        .breadcrumb-section {
            padding: 28px 0 0;
            border-bottom: 1px solid var(--border);
            margin-bottom: 24px;
        }
        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        /* ============ CATEGORY HERO ============ */
        .category-hero {
            padding: 36px 0 28px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .category-hero-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-card);
            background: rgba(0, 212, 166, 0.1);
            border: 1px solid rgba(0, 212, 166, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 28px;
            flex-shrink: 0;
        }
        .category-hero-text {
            flex: 1;
            min-width: 240px;
        }
        .category-hero-text h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 8px;
            color: var(--text-primary);
        }
        .category-hero-text h1 .highlight {
            color: var(--primary);
        }
        .category-hero-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            max-width: 640px;
        }
        /* ============ FILTER BAR ============ */
        .filter-bar {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }
        .filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .filter-chip {
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 13px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }
        .filter-chip.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }
        .sort-select {
            margin-left: auto;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-secondary);
            padding: 8px 14px;
            font-size: 13px;
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }
        .sort-select:hover,
        .sort-select:focus {
            border-color: var(--border-hover);
            outline: none;
        }
        @media (max-width: 768px) {
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .sort-select {
                margin-left: 0;
                width: 100%;
            }
        }
        /* ============ GUIDE CARDS GRID ============ */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .guide-card-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: linear-gradient(135deg, #0f1a24 0%, #14283a 100%);
        }
        .guide-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-card:hover .guide-card-cover img {
            transform: scale(1.04);
        }
        .guide-card-cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(16, 23, 32, 0.9) 0%, transparent 100%);
            pointer-events: none;
        }
        .guide-badges {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            z-index: 2;
        }
        .badge-difficulty {
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(10, 14, 20, 0.85);
            color: var(--primary);
            border: 1px solid rgba(0, 212, 166, 0.3);
        }
        .badge-difficulty.level-beginner {
            color: #2ECC71;
            border-color: rgba(46, 204, 113, 0.3);
        }
        .badge-difficulty.level-advanced {
            color: #7C5CFF;
            border-color: rgba(124, 92, 255, 0.35);
        }
        .badge-difficulty.level-expert {
            color: #FF6B35;
            border-color: rgba(255, 107, 53, 0.4);
        }
        .badge-duration {
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            font-size: 11px;
            font-weight: 500;
            background: rgba(10, 14, 20, 0.85);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .guide-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card-tag {
            font-size: 11px;
            color: var(--secondary);
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .guide-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 10px;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        .guide-card:hover .guide-card-title {
            color: var(--primary-bright);
        }
        .guide-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }
        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .guide-card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .guide-card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }
        .guide-card-link:hover {
            color: var(--primary-bright);
        }
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .guide-card-cover {
                height: 200px;
            }
        }
        /* ============ PAGINATION ============ */
        .pagination-container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .pagination-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-small);
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .pagination-btn:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }
        .pagination-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #0A0E14;
            font-weight: 700;
        }
        .pagination-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }
        /* ============ HOT RANKING ============ */
        .hot-ranking-section {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 28px 24px;
            margin-bottom: 48px;
        }
        .hot-ranking-section .section-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hot-ranking-section .section-header i {
            color: var(--accent-cta);
            font-size: 20px;
        }
        .hot-ranking-section .section-header h2 {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .ranking-list {
            list-style: none;
            margin: 0;
            padding: 0;
            counter-reset: rank;
        }
        .ranking-list li {
            counter-increment: rank;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition-fast);
            border-radius: var(--radius-small);
            cursor: pointer;
        }
        .ranking-list li:last-child {
            border-bottom: none;
        }
        .ranking-list li:hover {
            background: rgba(0, 212, 166, 0.04);
        }
        .ranking-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            font-family: var(--font-mono);
            flex-shrink: 0;
        }
        .ranking-list li:nth-child(1) .ranking-number {
            background: rgba(255, 107, 53, 0.15);
            color: var(--accent-cta);
            border: 1px solid rgba(255, 107, 53, 0.35);
        }
        .ranking-list li:nth-child(2) .ranking-number {
            background: rgba(0, 212, 166, 0.12);
            color: var(--primary);
            border: 1px solid rgba(0, 212, 166, 0.3);
        }
        .ranking-list li:nth-child(3) .ranking-number {
            background: rgba(124, 92, 255, 0.12);
            color: var(--secondary);
            border: 1px solid rgba(124, 92, 255, 0.3);
        }
        .ranking-list li:nth-child(n+4) .ranking-number {
            background: var(--bg-card);
            color: var(--text-muted);
            border: 1px solid var(--border);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-info .ranking-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 2px;
            line-height: 1.4;
        }
        .ranking-info .ranking-meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        .ranking-views {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        @media (max-width: 640px) {
            .hot-ranking-section {
                padding: 20px 16px;
            }
        }
        /* ============ FAQ ============ */
        .faq-section {
            margin-bottom: 48px;
        }
        .faq-section .section-header {
            margin-bottom: 24px;
        }
        .faq-section .section-header h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 0;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            cursor: pointer;
            transition: background var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            background: rgba(0, 212, 166, 0.04);
        }
        .faq-question .faq-number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 212, 166, 0.1);
            border: 1px solid rgba(0, 212, 166, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .faq-question .faq-text {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .faq-question .faq-icon {
            color: var(--text-muted);
            font-size: 14px;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            background: rgba(10, 14, 20, 0.4);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 20px 62px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        @media (max-width: 640px) {
            .faq-answer-inner {
                padding-left: 20px;
            }
            .faq-question {
                padding: 16px;
            }
        }
        /* ============ CTA CONTRIBUTE ============ */
        .contribute-cta {
            background: linear-gradient(135deg, rgba(0, 212, 166, 0.08) 0%, rgba(124, 92, 255, 0.08) 100%);
            border: 1px solid rgba(0, 212, 166, 0.2);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .contribute-cta-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-card);
            background: rgba(0, 212, 166, 0.12);
            border: 1px solid rgba(0, 212, 166, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 24px;
            flex-shrink: 0;
        }
        .contribute-cta-text {
            flex: 1;
            min-width: 220px;
        }
        .contribute-cta-text h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .contribute-cta-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .contribute-cta-btn {
            padding: 12px 24px;
            background: var(--accent-cta);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-small);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .contribute-cta-btn:hover {
            background: #e85a2a;
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }
        @media (max-width: 640px) {
            .contribute-cta {
                padding: 24px 18px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .contribute-cta-btn {
                width: 100%;
                text-align: center;
            }
        }
        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-main {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .footer-brand {
            flex: 1;
            min-width: 260px;
            max-width: 360px;
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }
        .footer-links {
            flex: 2;
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .footer-col {
            min-width: 140px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .footer-main {
                gap: 28px;
            }
            .footer-brand {
                max-width: 100%;
            }
            .footer-links {
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        /* ============ SECTION HELPERS ============ */
        .section {
            padding: 0 0 48px;
        }
        .section-divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0 0 48px;
        }
        /* ============ MOBILE NAV TOGGLE ============ */
        @media (max-width: 1024px) {
            .mobile-nav-panel {
                display: none;
            }
            .mobile-nav-panel.open {
                display: flex;
                animation: slideDown 0.3s ease;
            }
        }
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A0E14;
            --bg-panel: #111820;
            --bg-card: #182230;
            --bg-card-hover: #1d2a3a;
            --primary: #00D4A6;
            --primary-bright: #00E5B0;
            --secondary: #7C5CFF;
            --accent-cta: #FF6B35;
            --text-primary: #E8EEF5;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border: #1F2A35;
            --border-hover: rgba(0, 212, 166, 0.35);
            --success: #2ECC71;
            --danger: #FF4D4F;
            --radius-card: 12px;
            --radius-small: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.55);
            --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

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

        /* ============ HEADER / NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: nowrap;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            margin-right: 8px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
        }

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

        .logo .logo-icon {
            margin-right: 6px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-card {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-card .nav-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .nav-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            color: var(--primary-bright);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
        }

        .nav-card:hover .nav-icon {
            color: var(--primary);
        }

        .nav-card.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }

        .nav-card.active .nav-icon {
            color: var(--primary);
        }

        .nav-cta {
            flex-shrink: 0;
            padding: 9px 18px;
            background: var(--primary);
            color: #0A0E14;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-small);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        .nav-cta:hover {
            background: var(--primary-bright);
            color: #0A0E14;
            box-shadow: 0 4px 14px rgba(0, 212, 166, 0.35);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-shrink: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 20px;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: inherit;
            line-height: 1;
        }

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

        .mobile-nav-panel {
            display: none;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel .nav-card {
            width: 100%;
            justify-content: flex-start;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: var(--bg-primary);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

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

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ CATEGORY HEADER ============ */
        .category-header-section {
            padding: 36px 0 24px;
        }

        .category-header {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            flex-wrap: wrap;
        }

        .category-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-card);
            background: rgba(0, 212, 166, 0.12);
            border: 1px solid var(--border-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .category-header-text {
            flex: 1;
            min-width: 260px;
        }

        .category-header-text h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 10px;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }

        .category-header-text .subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            max-width: 720px;
        }

        /* ============ FILTER BAR ============ */
        .filter-section {
            padding: 12px 0 24px;
        }

        .filter-bar {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }

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

        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            margin-right: 4px;
        }

        .filter-btn {
            padding: 7px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-badge);
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: inherit;
            white-space: nowrap;
        }

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

        .filter-btn.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
            font-weight: 600;
        }

        .filter-select {
            padding: 7px 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            font-family: inherit;
            transition: border-color var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 30px;
        }

        .filter-select:hover,
        .filter-select:focus {
            border-color: var(--primary);
            color: var(--text-primary);
            outline: none;
        }

        /* ============ DATA CARD GRID ============ */
        .data-grid-section {
            padding: 8px 0 32px;
        }

        .data-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .data-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }

        .data-card-cover {
            position: relative;
            height: 160px;
            overflow: hidden;
            background: var(--bg-panel);
        }

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

        .data-card:hover .data-card-cover img {
            transform: scale(1.04);
        }

        .data-card-cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg-card), transparent);
            pointer-events: none;
        }

        .data-card-cover .status-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .status-badge.ended {
            background: rgba(100, 116, 139, 0.25);
            color: var(--text-secondary);
            border: 1px solid rgba(100, 116, 139, 0.4);
        }

        .status-badge.live {
            background: rgba(255, 77, 79, 0.2);
            color: var(--danger);
            border: 1px solid rgba(255, 77, 79, 0.4);
        }

        .status-badge.upcoming {
            background: rgba(0, 212, 166, 0.18);
            color: var(--primary);
            border: 1px solid rgba(0, 212, 166, 0.35);
        }

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

        .data-card-project {
            font-size: 11px;
            font-weight: 700;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .data-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .data-card-matchup {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin: 10px 0;
            padding: 10px 12px;
            background: rgba(0, 0, 0, 0.25);
            border-radius: var(--radius-small);
        }

        .matchup-team {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .matchup-score {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-bright);
            white-space: nowrap;
            letter-spacing: 1px;
        }

        .data-card-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        .stat-chip {
            padding: 4px 10px;
            background: rgba(0, 212, 166, 0.08);
            border: 1px solid rgba(0, 212, 166, 0.2);
            border-radius: var(--radius-badge);
            font-size: 11px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
        }

        .data-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-muted);
        }

        .data-card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .data-card-link:hover {
            color: var(--primary-bright);
        }

        /* ============ PAGINATION ============ */
        .pagination-section {
            padding: 8px 0 32px;
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .page-btn {
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: inherit;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .page-btn:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }

        .page-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #0A0E14;
            font-weight: 700;
        }

        .page-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ============ HOT MATCHES ============ */
        .hot-section {
            padding: 24px 0 40px;
        }

        .section-heading {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .section-heading .heading-icon {
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 0;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .section-heading .heading-line {
            flex: 1;
            height: 1px;
            background: var(--border);
        }

        .hot-match-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .hot-match-item {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .hot-match-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
        }

        .hot-match-item .hot-rank {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-cta);
            flex-shrink: 0;
            min-width: 38px;
            text-align: center;
        }

        .hot-match-info {
            flex: 1;
            min-width: 0;
        }

        .hot-match-info .hot-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-match-info .hot-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ============ METRICS EXPLANATION ============ */
        .metrics-section {
            padding: 32px 0 40px;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition-fast);
        }

        .metric-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .metric-card .metric-icon {
            font-size: 20px;
            color: var(--secondary);
            margin-bottom: 8px;
        }

        .metric-card .metric-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

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

        /* ============ SUBSCRIBE CTA ============ */
        .cta-section {
            padding: 40px 0 56px;
        }

        .cta-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }

        .cta-text {
            flex: 1;
            min-width: 240px;
        }

        .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .cta-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .cta-input {
            padding: 10px 16px;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 14px;
            color: var(--text-primary);
            font-family: inherit;
            transition: border-color var(--transition-fast);
            min-width: 220px;
        }

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

        .cta-input:focus {
            border-color: var(--primary);
            outline: none;
        }

        .cta-btn {
            padding: 10px 22px;
            background: var(--accent-cta);
            color: #fff;
            border: none;
            border-radius: var(--radius-small);
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: inherit;
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: #e55a2b;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
            transform: translateY(-1px);
        }

        .cta-trust {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
            margin-top: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .cta-trust i {
            color: var(--primary);
            margin-right: 4px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
        }

        .footer-main {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            flex: 1 1 300px;
            max-width: 360px;
        }

        .footer-brand .logo {
            font-size: 24px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .footer-links {
            flex: 2 1 500px;
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .footer-col {
            min-width: 120px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .footer-col a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary);
        }

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

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .data-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .cta-panel {
                padding: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
                --section-gap-mobile: 28px;
            }

            .container-fluid-custom,
            .nav-container {
                padding: 0 16px;
            }

            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-cta {
                margin-left: auto;
                padding: 8px 14px;
                font-size: 12px;
            }

            .mobile-nav-panel {
                display: none;
            }

            .mobile-nav-panel.open {
                display: flex;
            }

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

            .data-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .hot-match-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }

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

            .filter-bar {
                padding: 14px 16px;
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-group {
                width: 100%;
                gap: 6px;
            }

            .cta-panel {
                padding: 20px;
                flex-direction: column;
                align-items: stretch;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-input {
                min-width: auto;
                width: 100%;
            }

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

            .footer-main {
                gap: 24px;
                flex-direction: column;
            }

            .footer-brand {
                max-width: none;
            }

            .footer-links {
                justify-content: flex-start;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 18px;
            }

            .nav-cta {
                font-size: 11px;
                padding: 7px 10px;
            }

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

            .category-header-text .subtitle {
                font-size: 14px;
                line-height: 1.7;
            }

            .data-card-cover {
                height: 140px;
            }

            .section-heading h2 {
                font-size: 20px;
            }

            .cta-text h3 {
                font-size: 18px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0E14;
            --bg-panel: #111820;
            --bg-card: #182230;
            --bg-card-hover: #1d2a3a;
            --primary: #00D4A6;
            --primary-bright: #00E5B0;
            --secondary: #7C5CFF;
            --accent-cta: #FF6B35;
            --text-primary: #E8EEF5;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border: #1F2A35;
            --border-hover: rgba(0, 212, 166, 0.35);
            --success: #2ECC71;
            --danger: #FF4D4F;
            --radius-card: 12px;
            --radius-small: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.55);
            --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: nowrap;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            margin-right: 8px;
            transition: color var(--transition-fast);
        }

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

        .logo .logo-icon {
            margin-right: 6px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-card {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .nav-card .nav-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .nav-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            color: var(--primary-bright);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
        }

        .nav-card:hover .nav-icon {
            color: var(--primary);
        }

        .nav-card.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }

        .nav-card.active .nav-icon {
            color: var(--primary);
        }

        .nav-cta {
            flex-shrink: 0;
            padding: 9px 18px;
            background: var(--primary);
            color: #0A0E14;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-small);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
        }

        .nav-cta:hover {
            background: var(--primary-bright);
            color: #0A0E14;
            box-shadow: 0 4px 14px rgba(0, 212, 166, 0.35);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-shrink: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 20px;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .mobile-nav-panel {
            display: none;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }

        .mobile-nav-panel.open {
            max-height: 500px;
            display: flex;
        }

        .mobile-nav-panel .nav-card {
            width: 100%;
            justify-content: flex-start;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-section {
            padding: 24px 0 8px;
        }

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

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

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

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

        .breadcrumb-current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ============ PAGE HEADER ============ */
        .page-header {
            padding: 32px 0 24px;
            display: flex;
            align-items: flex-start;
            gap: 24px;
            flex-wrap: wrap;
        }

        .page-header-icon {
            width: 56px;
            height: 56px;
            flex-shrink: 0;
            border-radius: var(--radius-card);
            background: linear-gradient(135deg, rgba(0, 212, 166, 0.15), rgba(124, 92, 255, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            border: 1px solid var(--border);
        }

        .page-header-text {
            flex: 1;
            min-width: 260px;
        }

        .page-header-text h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 10px;
            color: var(--text-primary);
        }

        .page-header-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0;
            max-width: 680px;
        }

        /* ============ FILTER BAR ============ */
        .filter-bar {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            box-shadow: var(--shadow-card);
        }

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

        .filter-group-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
            font-weight: 500;
        }

        .filter-btn {
            padding: 7px 16px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-badge);
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: inherit;
            white-space: nowrap;
        }

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

        .filter-btn.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
            font-weight: 600;
        }

        .filter-select {
            padding: 7px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-secondary);
            font-size: 13px;
            cursor: pointer;
            font-family: inherit;
            transition: all var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 32px;
        }

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

        .filter-result-count {
            margin-left: auto;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            font-family: var(--font-mono);
        }

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

        .section-alt {
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .section-header-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: var(--radius-small);
            background: rgba(0, 212, 166, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            border: 1px solid rgba(0, 212, 166, 0.2);
        }

        .section-header-text h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0;
            color: var(--text-primary);
        }

        .section-header-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 4px 0 0;
        }

        .section-link {
            margin-left: auto;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .section-link:hover {
            color: var(--primary-bright);
        }

        .section-link i {
            margin-left: 4px;
            font-size: 11px;
        }

        /* ============ STANDINGS BOARD ============ */
        .standings-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 16px;
        }

        .standing-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .standing-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--secondary);
            opacity: 0.7;
        }

        .standing-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }

        .standing-rank {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }

        .standing-rank-num {
            font-size: 26px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--primary);
            line-height: 1;
        }

        .standing-rank-badge {
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            background: rgba(124, 92, 255, 0.15);
            color: #B4A0FF;
            border: 1px solid rgba(124, 92, 255, 0.25);
        }

        .standing-team-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .standing-team-region {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .standing-stats {
            display: flex;
            gap: 16px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .standing-stat {
            flex: 1;
        }

        .standing-stat-value {
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--text-primary);
            line-height: 1.2;
        }

        .standing-stat-label {
            font-size: 11px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* ============ PLAYER HIGHLIGHT ============ */
        .player-highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 16px;
        }

        .player-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .player-mini-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }

        .player-mini-top {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .player-mini-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 212, 166, 0.2), rgba(124, 92, 255, 0.2));
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .player-mini-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .player-mini-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        .player-mini-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }

        .player-mini-stat {
            text-align: center;
        }

        .player-mini-stat .val {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .player-mini-stat .lbl {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* ============ CARD GRID (MAIN LIST) ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .entity-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .entity-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }

        .entity-card-image {
            height: 180px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #111820, #182230);
        }

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

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

        .entity-card-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(10, 14, 20, 0.9), transparent);
            pointer-events: none;
        }

        .entity-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            background: rgba(10, 14, 20, 0.8);
            border: 1px solid var(--border);
            color: var(--primary);
            z-index: 2;
            backdrop-filter: blur(8px);
        }

        .entity-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .entity-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .entity-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .entity-card-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .entity-card-stat {
            text-align: center;
        }

        .entity-card-stat .num {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .entity-card-stat .label {
            font-size: 11px;
            color: var(--text-muted);
        }

        .entity-card-action {
            margin-top: auto;
            display: flex;
            gap: 8px;
            padding-top: 12px;
        }

        .btn-sm {
            flex: 1;
            padding: 8px 14px;
            border-radius: var(--radius-small);
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid var(--border);
            background: transparent;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-family: inherit;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            text-align: center;
        }

        .btn-sm:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }

        .btn-sm-primary {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }

        .btn-sm-primary:hover {
            background: rgba(0, 212, 166, 0.2);
            color: var(--primary-bright);
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(0, 212, 166, 0.2);
        }

        /* ============ PAGINATION ============ */
        .pagination-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            justify-content: center;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .page-btn {
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: inherit;
        }

        .page-btn:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }

        .page-btn.active {
            background: var(--primary);
            color: #0A0E14;
            border-color: var(--primary);
            font-weight: 700;
        }

        .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ============ CTA SECTION ============ */
        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 212, 166, 0.08), rgba(124, 92, 255, 0.06));
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(0, 212, 166, 0.06), transparent 60%);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: 24px;
            font-weight: 800;
            margin: 0 0 8px;
            color: var(--text-primary);
        }

        .cta-panel p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 20px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 14px;
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        .cta-input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 212, 166, 0.15);
        }

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

        .cta-btn {
            padding: 12px 24px;
            background: var(--accent-cta);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            border: none;
            border-radius: var(--radius-small);
            cursor: pointer;
            font-family: inherit;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: #e85a2a;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
            transform: translateY(-2px);
        }

        .cta-btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .cta-trust {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .cta-trust-item {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .cta-trust-item i {
            color: var(--primary);
            font-size: 13px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(0, 212, 166, 0.04);
        }

        .faq-question-num {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 212, 166, 0.1);
            border: 1px solid rgba(0, 212, 166, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-mono);
        }

        .faq-question-text {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }

        .faq-toggle-icon {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            font-size: 13px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px 60px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #070a0e;
            border-top: 1px solid var(--border);
            padding: 48px 0 20px;
            margin-top: var(--section-gap);
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 10px;
            max-width: 300px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

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

        .footer-col a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-links {
                grid-template-columns: repeat(3, 1fr);
            }

            .page-header-text h1 {
                font-size: 28px;
            }

            :root {
                --section-gap: 56px;
            }
        }

        @media (max-width: 768px) {
            .main-nav,
            .nav-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-container {
                justify-content: space-between;
            }

            .logo {
                font-size: 18px;
            }

            .page-header {
                gap: 16px;
                padding: 20px 0 16px;
            }

            .page-header-icon {
                width: 44px;
                height: 44px;
                font-size: 20px;
            }

            .page-header-text h1 {
                font-size: 24px;
            }

            .filter-bar {
                padding: 12px 14px;
                gap: 10px;
            }

            .filter-result-count {
                margin-left: 0;
                width: 100%;
                text-align: left;
            }

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

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

            .player-highlight-grid {
                grid-template-columns: 1fr 1fr;
            }

            .entity-card-image {
                height: 160px;
            }

            .cta-panel {
                padding: 28px 18px;
            }

            .cta-panel h2 {
                font-size: 20px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            :root {
                --section-gap: 40px;
            }

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

            .site-footer {
                margin-top: var(--section-gap-mobile);
            }
        }

        @media (max-width: 520px) {
            .player-highlight-grid {
                grid-template-columns: 1fr;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-input {
                min-width: 100%;
            }

            .cta-btn {
                width: 100%;
            }

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

            .container-fluid-custom {
                padding: 0 16px;
            }

            .nav-container {
                padding: 0 16px;
            }

            .mobile-nav-panel {
                padding: 12px 16px;
            }

            .breadcrumb-section {
                padding: 16px 0 4px;
            }
        }

/* roulang page: category5 */
:root {
        --bg-primary: #0A0E14;
        --bg-panel: #111820;
        --bg-card: #182230;
        --bg-card-hover: #1d2a3a;
        --primary: #00D4A6;
        --primary-bright: #00E5B0;
        --secondary: #7C5CFF;
        --accent-cta: #FF6B35;
        --text-primary: #E8EEF5;
        --text-secondary: #94A3B8;
        --text-muted: #64748B;
        --border: #1F2A35;
        --border-hover: rgba(0, 212, 166, 0.35);
        --success: #2ECC71;
        --danger: #FF4D4F;
        --radius-card: 12px;
        --radius-small: 8px;
        --radius-badge: 20px;
        --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
        --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.55);
        --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
        --transition-fast: 0.2s ease;
        --transition-smooth: 0.3s ease;
        --section-gap: 72px;
        --section-gap-mobile: 40px;
    }

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

    body {
        background-color: var(--bg-primary);
        color: var(--text-primary);
        font-family: 'Noto Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        font-size: 16px;
        line-height: 1.8;
        min-height: 100vh;
        overflow-x: hidden;
    }

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

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

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

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

    /* ============ NAVIGATION ============ */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(10, 14, 20, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
        padding: 12px 0;
    }

    .nav-container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 24px;
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: nowrap;
    }

    .logo {
        font-size: 22px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
        margin-right: 8px;
        transition: color var(--transition-fast);
        display: flex;
        align-items: center;
    }

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

    .logo .logo-icon {
        margin-right: 6px;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        flex: 1;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

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

    .nav-card {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 8px 14px;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-small);
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        white-space: nowrap;
        transition: all var(--transition-fast);
        cursor: pointer;
    }

    .nav-card .nav-icon {
        font-size: 14px;
        color: var(--text-muted);
        transition: color var(--transition-fast);
    }

    .nav-card:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-hover);
        color: var(--primary-bright);
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
    }

    .nav-card:hover .nav-icon {
        color: var(--primary);
    }

    .nav-card.active {
        background: rgba(0, 212, 166, 0.12);
        border-color: var(--primary);
        color: var(--primary-bright);
    }

    .nav-card.active .nav-icon {
        color: var(--primary);
    }

    .nav-cta {
        flex-shrink: 0;
        padding: 9px 18px;
        background: var(--primary);
        color: #0A0E14;
        font-size: 13px;
        font-weight: 700;
        border-radius: var(--radius-small);
        white-space: nowrap;
        transition: all var(--transition-fast);
        cursor: pointer;
        border: none;
    }

    .nav-cta:hover {
        background: var(--primary-bright);
        color: #0A0E14;
        box-shadow: 0 4px 14px rgba(0, 212, 166, 0.35);
        transform: translateY(-1px);
    }

    .hamburger {
        display: none;
        flex-shrink: 0;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-small);
        color: var(--text-primary);
        font-size: 20px;
        padding: 8px 12px;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

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

    .mobile-nav-panel {
        display: none;
        background: var(--bg-panel);
        border-top: 1px solid var(--border);
        padding: 16px 24px;
        flex-direction: column;
        gap: 8px;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-smooth);
    }

    .mobile-nav-panel.open {
        display: flex;
        max-height: 600px;
    }

    /* ============ BREADCRUMB ============ */
    .breadcrumb-wrap {
        padding: 24px 0 0;
        max-width: 1280px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--text-muted);
        flex-wrap: wrap;
    }

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

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

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

    .breadcrumb .current {
        color: var(--primary);
        font-weight: 500;
    }

    /* ============ PAGE HERO / HEADER ============ */
    .page-hero {
        padding: 40px 0 32px;
    }

    .page-hero-content {
        display: flex;
        align-items: center;
        gap: 24px;
        flex-wrap: wrap;
    }

    .page-hero-text {
        flex: 1;
        min-width: 260px;
    }

    .page-hero-icon {
        width: 64px;
        height: 64px;
        background: rgba(124, 92, 255, 0.15);
        border: 1px solid rgba(124, 92, 255, 0.35);
        border-radius: var(--radius-card);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
        color: var(--secondary);
        flex-shrink: 0;
    }

    .page-hero h1 {
        font-size: 36px;
        font-weight: 800;
        line-height: 1.25;
        margin: 0 0 8px;
        color: var(--text-primary);
    }

    .page-hero p {
        font-size: 16px;
        color: var(--text-secondary);
        margin: 0;
        line-height: 1.8;
        max-width: 720px;
    }

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

    .section-alt {
        background: var(--bg-panel);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    .section-header {
        margin-bottom: 32px;
    }

    .section-header h2 {
        font-size: 26px;
        font-weight: 700;
        line-height: 1.35;
        margin: 0 0 8px;
        color: var(--text-primary);
    }

    .section-header p {
        font-size: 15px;
        color: var(--text-secondary);
        margin: 0;
        line-height: 1.8;
    }

    .section-header .section-accent {
        display: inline-block;
        width: 42px;
        height: 3px;
        background: var(--primary);
        border-radius: 2px;
        margin-bottom: 12px;
    }

    .section-header .section-accent.secondary-accent {
        background: var(--secondary);
    }

    /* ============ FILTER BAR ============ */
    .filter-bar {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
        padding: 16px;
        background: var(--bg-panel);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        margin-bottom: 32px;
    }

    .filter-label {
        font-size: 13px;
        color: var(--text-muted);
        font-weight: 500;
        white-space: nowrap;
    }

    .filter-btn {
        padding: 6px 16px;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-badge);
        font-size: 13px;
        color: var(--text-secondary);
        cursor: pointer;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

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

    .filter-btn.active {
        background: rgba(0, 212, 166, 0.12);
        border-color: var(--primary);
        color: var(--primary-bright);
    }

    .filter-sort {
        margin-left: auto;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .filter-sort select {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-small);
        color: var(--text-secondary);
        padding: 6px 12px;
        font-size: 13px;
        cursor: pointer;
        transition: border-color var(--transition-fast);
    }

    .filter-sort select:hover,
    .filter-sort select:focus {
        border-color: var(--primary);
        outline: none;
    }

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

    .tech-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: all var(--transition-smooth);
        display: flex;
        flex-direction: column;
    }

    .tech-card:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-hover);
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
    }

    .tech-card-img {
        height: 180px;
        overflow: hidden;
        position: relative;
        background: var(--bg-panel);
    }

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

    .tech-card:hover .tech-card-img img {
        transform: scale(1.04);
    }

    .tech-card-img::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 60%, rgba(10, 14, 20, 0.35) 100%);
        pointer-events: none;
    }

    .tech-card-body {
        padding: 18px 20px 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .tech-card-tags {
        display: flex;
        gap: 6px;
        flex-wrap: wrap;
        margin-bottom: 10px;
    }

    .tech-tag {
        padding: 3px 12px;
        background: rgba(124, 92, 255, 0.12);
        border: 1px solid rgba(124, 92, 255, 0.25);
        border-radius: var(--radius-badge);
        font-size: 11px;
        font-weight: 500;
        color: var(--secondary);
        white-space: nowrap;
    }

    .tech-tag.primary-tag {
        background: rgba(0, 212, 166, 0.1);
        border-color: rgba(0, 212, 166, 0.25);
        color: var(--primary);
    }

    .tech-card-title {
        font-size: 17px;
        font-weight: 700;
        line-height: 1.45;
        margin: 0 0 8px;
        color: var(--text-primary);
        transition: color var(--transition-fast);
    }

    .tech-card:hover .tech-card-title {
        color: var(--primary-bright);
    }

    .tech-card-summary {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.75;
        margin: 0 0 14px;
        flex: 1;
    }

    .tech-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 var(--border);
    }

    .tech-card-meta .meta-date {
        font-family: var(--font-mono);
    }

    .tech-card-link {
        color: var(--primary);
        font-weight: 500;
        font-size: 13px;
        display: flex;
        align-items: center;
        gap: 4px;
        transition: color var(--transition-fast);
    }

    .tech-card-link:hover {
        color: var(--primary-bright);
    }

    /* ============ TERM GLOSSARY ============ */
    .term-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .term-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 18px;
        transition: all var(--transition-fast);
    }

    .term-card:hover {
        border-color: var(--border-hover);
        background: var(--bg-card-hover);
        transform: translateY(-2px);
    }

    .term-card h3 {
        font-size: 15px;
        font-weight: 700;
        margin: 0 0 6px;
        color: var(--primary);
        display: flex;
        align-items: center;
        gap: 6px;
    }

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

    /* ============ FAQ ============ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        max-width: 820px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: border-color var(--transition-fast);
    }

    .faq-item.active {
        border-color: var(--border-hover);
    }

    .faq-question {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px 20px;
        cursor: pointer;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        transition: color var(--transition-fast);
        user-select: none;
        background: none;
        border: none;
        width: 100%;
        text-align: left;
    }

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

    .faq-question .faq-num {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(0, 212, 166, 0.1);
        border: 1px solid rgba(0, 212, 166, 0.25);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        flex-shrink: 0;
        font-family: var(--font-mono);
    }

    .faq-question .faq-text {
        flex: 1;
    }

    .faq-question .faq-icon {
        font-size: 12px;
        color: var(--text-muted);
        transition: transform var(--transition-fast);
        flex-shrink: 0;
    }

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

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-smooth);
    }

    .faq-answer-inner {
        padding: 0 20px 16px 60px;
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    /* ============ CTA SECTION ============ */
    .cta-panel {
        background: var(--bg-panel);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 40px;
        display: flex;
        align-items: center;
        gap: 32px;
        flex-wrap: wrap;
        box-shadow: var(--shadow-card);
    }

    .cta-panel-text {
        flex: 1;
        min-width: 280px;
    }

    .cta-panel-text h2 {
        font-size: 24px;
        font-weight: 700;
        margin: 0 0 8px;
        color: var(--text-primary);
    }

    .cta-panel-text p {
        font-size: 15px;
        color: var(--text-secondary);
        margin: 0;
        line-height: 1.75;
    }

    .cta-panel-action {
        flex-shrink: 0;
    }

    .btn-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 13px 28px;
        background: var(--accent-cta);
        color: #fff;
        border: none;
        border-radius: var(--radius-small);
        font-size: 15px;
        font-weight: 700;
        cursor: pointer;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

    .btn-cta:hover {
        background: #e55a2b;
        box-shadow: 0 6px 18px rgba(255, 107, 53, 0.35);
        transform: translateY(-1px);
        color: #fff;
    }

    /* ============ FOOTER ============ */
    .site-footer {
        background: #0d1219;
        border-top: 1px solid var(--border);
        padding: 48px 0 24px;
        margin-top: var(--section-gap);
    }

    .footer-main {
        display: flex;
        gap: 40px;
        flex-wrap: wrap;
        margin-bottom: 32px;
    }

    .footer-brand {
        flex: 2;
        min-width: 260px;
    }

    .footer-brand .logo {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .footer-brand p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.75;
        margin: 0;
        max-width: 320px;
    }

    .footer-links {
        flex: 3;
        display: flex;
        gap: 32px;
        flex-wrap: wrap;
    }

    .footer-col {
        display: flex;
        flex-direction: column;
        gap: 8px;
        min-width: 120px;
    }

    .footer-col-title {
        font-size: 13px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 4px;
    }

    .footer-col a {
        font-size: 13px;
        color: var(--text-muted);
        transition: color var(--transition-fast);
    }

    .footer-col a:hover {
        color: var(--primary);
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        padding-top: 20px;
        border-top: 1px solid var(--border);
        font-size: 12px;
        color: var(--text-muted);
    }

    .footer-bottom a {
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }

    .footer-bottom a:hover {
        color: var(--primary);
    }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1024px) {
        .card-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .term-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .page-hero h1 {
            font-size: 30px;
        }
    }

    @media (max-width: 768px) {
        .main-nav {
            display: none;
        }
        .hamburger {
            display: block;
        }
        .mobile-nav-panel {
            display: flex;
        }
        .nav-container {
            flex-wrap: nowrap;
        }
        .page-hero h1 {
            font-size: 26px;
        }
        .page-hero-content {
            flex-direction: column;
            align-items: flex-start;
        }
        .page-hero-icon {
            width: 52px;
            height: 52px;
            font-size: 22px;
        }
        .section {
            padding: var(--section-gap-mobile) 0;
        }
        .site-footer {
            margin-top: var(--section-gap-mobile);
        }
        .cta-panel {
            padding: 24px;
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 520px) {
        .card-grid {
            grid-template-columns: 1fr;
        }
        .term-grid {
            grid-template-columns: 1fr;
        }
        .page-hero h1 {
            font-size: 22px;
        }
        .page-hero p {
            font-size: 14px;
        }
        .section-header h2 {
            font-size: 22px;
        }
        .filter-sort {
            margin-left: 0;
            width: 100%;
        }
        .filter-sort select {
            flex: 1;
        }
        .tech-card-img {
            height: 160px;
        }
        .faq-answer-inner {
            padding-left: 20px;
        }
        .footer-main {
            flex-direction: column;
            gap: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .container-fluid-custom {
            padding: 0 16px;
        }
        .breadcrumb-wrap {
            padding-left: 16px;
            padding-right: 16px;
        }
    }

/* roulang page: category4 */
:root {
            --bg-primary: #0A0E14;
            --bg-panel: #111820;
            --bg-card: #182230;
            --bg-card-hover: #1d2a3a;
            --primary: #00D4A6;
            --primary-bright: #00E5B0;
            --secondary: #7C5CFF;
            --accent-cta: #FF6B35;
            --text-primary: #E8EEF5;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border: #1F2A35;
            --border-hover: rgba(0, 212, 166, 0.35);
            --success: #2ECC71;
            --danger: #FF4D4F;
            --radius-card: 12px;
            --radius-small: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.55);
            --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: nowrap;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            margin-right: 8px;
            transition: color var(--transition-fast);
        }

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

        .logo .logo-icon {
            margin-right: 6px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-card {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .nav-card .nav-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .nav-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            color: var(--primary-bright);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
        }

        .nav-card:hover .nav-icon {
            color: var(--primary);
        }

        .nav-card.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }

        .nav-card.active .nav-icon {
            color: var(--primary);
        }

        .nav-cta {
            flex-shrink: 0;
            padding: 9px 18px;
            background: var(--primary);
            color: #0A0E14;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-small);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
        }

        .nav-cta:hover {
            background: var(--primary-bright);
            color: #0A0E14;
            box-shadow: 0 4px 14px rgba(0, 212, 166, 0.35);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-shrink: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 20px;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .mobile-nav-panel {
            display: none;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }

        .mobile-nav-panel.open {
            max-height: 600px;
            padding: 16px 24px;
        }

        .mobile-nav-panel .nav-card {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 14px;
        }

        .mobile-nav-panel .mobile-cta {
            width: 100%;
            padding: 12px 16px;
            background: var(--primary);
            color: #0A0E14;
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-small);
            text-align: center;
            margin-top: 4px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel .mobile-cta:hover {
            background: var(--primary-bright);
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-section {
            padding: 20px 0 10px;
            background: var(--bg-primary);
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--primary-bright);
        }

        .breadcrumb-nav .separator {
            color: var(--text-muted);
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ CATEGORY HEADER ============ */
        .category-header {
            padding: 32px 0 40px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
        }

        .category-header-wrapper {
            display: flex;
            align-items: flex-start;
            gap: 36px;
            flex-wrap: wrap;
        }

        .category-header-icon {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            background: linear-gradient(135deg, rgba(0, 212, 166, 0.18), rgba(124, 92, 255, 0.18));
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-card);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--primary);
        }

        .category-header-text {
            flex: 1;
            min-width: 280px;
        }

        .category-header-text h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 12px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .category-header-text h1 .highlight {
            color: var(--primary);
        }

        .category-header-text .category-desc {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin: 0;
            max-width: 700px;
        }

        .category-header-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .cat-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .cat-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        /* ============ FILTER BAR ============ */
        .filter-section {
            padding: 24px 0 16px;
            background: var(--bg-primary);
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-label i {
            color: var(--primary);
        }

        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            flex: 1;
        }

        .filter-tag {
            padding: 6px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-badge);
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .filter-tag.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }

        .sort-select {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 13px;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            min-width: 140px;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 36px;
        }

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

        .sort-select:focus {
            border-color: var(--primary);
            outline: none;
        }

        /* ============ GEAR CARD GRID ============ */
        .gear-grid-section {
            padding: 20px 0 40px;
            background: var(--bg-primary);
        }

        .gear-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
            gap: 24px;
        }

        .gear-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .gear-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .gear-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: linear-gradient(135deg, #1a2536, #0f1620);
        }

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

        .gear-card:hover .gear-card-img img {
            transform: scale(1.04);
        }

        .gear-card-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 20, 0) 40%, rgba(10, 14, 20, 0.6) 100%);
            pointer-events: none;
        }

        .gear-rating-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(10, 14, 20, 0.85);
            border: 1px solid var(--primary);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-bright);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .gear-rating-badge i {
            font-size: 12px;
            color: #FFB800;
        }

        .gear-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .gear-card-category {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(124, 92, 255, 0.15);
            border: 1px solid rgba(124, 92, 255, 0.3);
            border-radius: var(--radius-badge);
            font-size: 12px;
            color: #B8A5FF;
            margin-bottom: 10px;
            width: fit-content;
        }

        .gear-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px;
            color: var(--text-primary);
        }

        .gear-card-body .gear-summary {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 16px;
            flex: 1;
        }

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

        .gear-scene-tag {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .gear-scene-tag i {
            color: var(--primary);
            font-size: 12px;
        }

        .gear-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
        }

        .gear-card-link:hover {
            color: var(--primary-bright);
            gap: 8px;
        }

        /* ============ EDITOR'S PICK ============ */
        .editor-pick-section {
            padding: 48px 0;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .editor-pick-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 28px;
        }

        .editor-pick-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 212, 166, 0.25);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

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

        .editor-pick-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            background: rgba(255, 107, 53, 0.15);
            border: 1px solid rgba(255, 107, 53, 0.35);
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            color: #FFB08A;
            margin-bottom: 12px;
        }

        .editor-pick-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
        }

        .editor-pick-card p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
        }

        .editor-pick-score {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .editor-pick-score .score-num {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
        }

        .editor-pick-score .score-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ============ COMPARISON TABLE ============ */
        .comparison-section {
            padding: 48px 0;
            background: var(--bg-primary);
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            margin-top: 28px;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            background: var(--bg-panel);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
        }

        .comparison-table th {
            background: var(--bg-card);
            color: var(--text-primary);
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
        }

        .comparison-table td {
            color: var(--text-secondary);
        }

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

        .comparison-table .table-highlight {
            color: var(--primary-bright);
            font-weight: 600;
        }

        .comparison-table .table-badge {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(0, 212, 166, 0.12);
            border: 1px solid rgba(0, 212, 166, 0.25);
            border-radius: var(--radius-badge);
            font-size: 12px;
            color: var(--primary-bright);
        }

        /* ============ Section headers ============ */
        .section-header {
            margin-bottom: 28px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }

        .section-header h2 .highlight {
            color: var(--primary);
        }

        .section-header p {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
            max-width: 650px;
        }

        /* ============ CTA SECTION ============ */
        .gear-cta-section {
            padding: 56px 0;
            background: linear-gradient(135deg, var(--bg-panel), #0d141d);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .gear-cta-box {
            background: var(--bg-card);
            border: 1px solid rgba(0, 212, 166, 0.3);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .gear-cta-box h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
        }

        .gear-cta-box p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0 auto 24px;
            max-width: 560px;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent-cta);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-small);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-cta-large:hover {
            background: #e55a2b;
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: transparent;
            color: var(--primary);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-small);
            border: 1px solid var(--primary);
            cursor: pointer;
            transition: all var(--transition-fast);
            margin-left: 12px;
        }

        .btn-outline-large:hover {
            background: rgba(0, 212, 166, 0.1);
            border-color: var(--primary-bright);
            color: var(--primary-bright);
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 48px 0 56px;
            background: var(--bg-primary);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item.open {
            border-color: var(--border-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

        .faq-question:hover {
            background: var(--bg-card-hover);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: rgba(0, 212, 166, 0.1);
            border: 1px solid rgba(0, 212, 166, 0.25);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary);
            transition: all var(--transition-fast);
        }

        .faq-question .faq-text {
            flex: 1;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        /* ============ PAGE CONTENT SPACING ============ */
        .page-main {
            min-height: 60vh;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-main {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand {
            flex: 2;
            min-width: 280px;
        }

        .footer-brand .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
            max-width: 380px;
        }

        .footer-links {
            flex: 3;
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .footer-col {
            min-width: 140px;
        }

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

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary-bright);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--primary-bright);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .gear-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
                gap: 18px;
            }

            .editor-pick-grid {
                grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
                gap: 18px;
            }

            .category-header-text h1 {
                font-size: 28px;
            }

            .section-header h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
            }

            .container-fluid-custom {
                padding: 0 16px;
            }

            .nav-container {
                padding: 0 16px;
            }

            .main-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: block;
                margin-left: auto;
            }

            .mobile-nav-panel {
                display: flex;
            }

            .category-header-wrapper {
                flex-direction: column;
                gap: 20px;
            }

            .category-header-icon {
                width: 56px;
                height: 56px;
                font-size: 24px;
            }

            .category-header-text h1 {
                font-size: 24px;
            }

            .category-header-text .category-desc {
                font-size: 15px;
            }

            .filter-bar {
                padding: 14px 16px;
            }

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

            .editor-pick-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .gear-cta-box {
                padding: 28px 20px;
            }

            .btn-outline-large {
                margin-left: 0;
                margin-top: 10px;
            }

            .footer-main {
                flex-direction: column;
                gap: 32px;
            }

            .footer-links {
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 12px 14px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .category-header-text h1 {
                font-size: 22px;
            }

            .filter-tags {
                gap: 6px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 12px;
            }

            .gear-card-body {
                padding: 16px 18px 20px;
            }

            .section-header h2 {
                font-size: 20px;
            }

            .faq-question {
                padding: 14px 16px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #0A0E14;
            --bg-panel: #111820;
            --bg-card: #182230;
            --bg-card-hover: #1d2a3a;
            --primary: #00D4A6;
            --primary-bright: #00E5B0;
            --secondary: #7C5CFF;
            --accent-cta: #FF6B35;
            --text-primary: #E8EEF5;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border: #1F2A35;
            --border-hover: rgba(0, 212, 166, 0.35);
            --success: #2ECC71;
            --danger: #FF4D4F;
            --radius-card: 12px;
            --radius-small: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.55);
            --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container-fluid-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: nowrap;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            margin-right: 8px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
        }
        .logo:hover {
            color: var(--primary-bright);
        }
        .logo .logo-icon {
            margin-right: 6px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-card {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .nav-card .nav-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .nav-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            color: var(--primary-bright);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
        }
        .nav-card:hover .nav-icon {
            color: var(--primary);
        }
        .nav-card.active {
            background: rgba(0, 212, 166, 0.12);
            border-color: var(--primary);
            color: var(--primary-bright);
        }
        .nav-card.active .nav-icon {
            color: var(--primary);
        }
        .nav-cta {
            flex-shrink: 0;
            padding: 9px 18px;
            background: var(--primary);
            color: #0A0E14;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-small);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background: var(--primary-bright);
            color: #0A0E14;
            box-shadow: 0 4px 14px rgba(0, 212, 166, 0.35);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            flex-shrink: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-primary);
            font-size: 20px;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .hamburger:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .mobile-nav-panel {
            display: none;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-card {
            width: 100%;
            justify-content: flex-start;
        }
        /* ============ BREADCRUMB ============ */
        .breadcrumb-bar {
            padding: 32px 0 20px;
            border-bottom: 1px solid var(--border);
            background: rgba(17, 24, 32, 0.6);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* ============ CATEGORY HEADER ============ */
        .category-header {
            padding: 48px 0 40px;
            background: var(--bg-primary);
            position: relative;
        }
        .category-header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), transparent);
            opacity: 0.7;
        }
        .category-header-inner {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            flex-wrap: wrap;
        }
        .category-icon-wrap {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-card);
            background: rgba(124, 92, 255, 0.12);
            border: 1px solid rgba(124, 92, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--secondary);
            flex-shrink: 0;
        }
        .category-header-text {
            flex: 1;
            min-width: 260px;
        }
        .category-header-text h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 12px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .category-header-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0;
            max-width: 800px;
        }
        /* ============ FILTER BAR ============ */
        .filter-bar {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-label i {
            color: var(--primary);
            font-size: 14px;
        }
        .filter-chips {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            flex: 1;
        }
        .filter-chip {
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }
        .filter-chip.active {
            background: rgba(0, 212, 166, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }
        .sort-select {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-secondary);
            font-size: 13px;
            padding: 6px 12px;
            cursor: pointer;
            transition: border-color var(--transition-fast);
            min-width: 130px;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }
        .sort-select:focus {
            border-color: var(--primary);
            outline: none;
        }
        /* ============ ARTICLE GRID ============ */
        .article-grid-section {
            padding: 32px 0 48px;
            background: var(--bg-primary);
        }
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .article-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .article-cover {
            width: 100%;
            height: 180px;
            overflow: hidden;
            position: relative;
            border-bottom: 1px solid var(--border);
            background: linear-gradient(135deg, #1a2a3a 0%, #0f1a24 100%);
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .article-card:hover .article-cover img {
            transform: scale(1.03);
        }
        .article-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.5) 100%);
            pointer-events: none;
        }
        .article-card-body {
            padding: 20px 18px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .article-tag {
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--radius-badge);
            background: rgba(124, 92, 255, 0.12);
            border: 1px solid rgba(124, 92, 255, 0.25);
            color: #a78bfa;
            letter-spacing: 0.3px;
        }
        .article-tag:nth-child(2) {
            background: rgba(0, 212, 166, 0.1);
            border-color: rgba(0, 212, 166, 0.22);
            color: var(--primary);
        }
        .article-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            margin: 0 0 10px;
            letter-spacing: 0.3px;
        }
        .article-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }
        .article-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .article-date {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .read-more-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }
        .read-more-link:hover {
            color: var(--primary-bright);
        }
        .read-more-link i {
            font-size: 12px;
        }
        /* ============ PAGINATION ============ */
        .pagination-section {
            padding: 16px 0 56px;
            background: var(--bg-primary);
        }
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .page-btn {
            min-width: 40px;
            height: 40px;
            padding: 0 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-small);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .page-btn:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }
        .page-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #0A0E14;
            font-weight: 700;
        }
        .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }
        .page-ellipsis {
            color: var(--text-muted);
            padding: 0 4px;
        }
        /* ============ GLOSSARY SECTION ============ */
        .glossary-section {
            padding: var(--section-gap) 0;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 12px;
            letter-spacing: 0.4px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 36px;
            line-height: 1.7;
            max-width: 700px;
        }
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .glossary-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .glossary-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .glossary-card:hover {
            border-color: rgba(124, 92, 255, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .glossary-card:hover::before {
            opacity: 1;
        }
        .glossary-term {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .glossary-term i {
            color: var(--secondary);
            font-size: 15px;
        }
        .glossary-def {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        /* ============ FAQ SECTION ============ */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--bg-primary);
        }
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item.open {
            border-color: rgba(0, 212, 166, 0.3);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            user-select: none;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-q-text {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            flex: 1;
        }
        .faq-num {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--primary);
            font-weight: 700;
            min-width: 24px;
            padding-top: 1px;
        }
        .faq-toggle-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 212, 166, 0.1);
            color: var(--primary);
            font-size: 13px;
            transition: transform var(--transition-smooth), background var(--transition-fast);
        }
        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
            background: rgba(0, 212, 166, 0.2);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            background: rgba(17, 24, 32, 0.6);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: var(--section-gap) 0;
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
        }
        .cta-panel {
            background: var(--bg-card);
            border: 1px solid rgba(0, 212, 166, 0.2);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 212, 166, 0.12), transparent 70%);
            pointer-events: none;
        }
        .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-text h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }
        .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .cta-btn {
            padding: 12px 28px;
            background: var(--accent-cta);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-small);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
        }
        .cta-btn:hover {
            background: #e85a2a;
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border);
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            display: inline-block;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-header-text h1 {
                font-size: 28px;
            }
            .main-nav {
                gap: 6px;
            }
            .nav-card {
                padding: 7px 10px;
                font-size: 12px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
            }
            .nav-container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-cta {
                display: none;
            }
            .mobile-nav-panel {
                display: flex;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
                padding: 0 24px;
            }
            .mobile-nav-panel.open {
                max-height: 500px;
                padding: 16px 24px;
            }
            .mobile-nav-panel .nav-card {
                width: 100%;
                justify-content: flex-start;
            }
            .category-header {
                padding: 32px 0 28px;
            }
            .category-header-inner {
                gap: 18px;
            }
            .category-icon-wrap {
                width: 56px;
                height: 56px;
                font-size: 26px;
            }
            .category-header-text h1 {
                font-size: 24px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .filter-chips {
                width: 100%;
            }
            .sort-select {
                width: 100%;
            }
            .article-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .glossary-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 22px;
                gap: 20px;
            }
            .cta-text h2 {
                font-size: 20px;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb-bar {
                padding: 20px 0 14px;
            }
        }
        @media (max-width: 520px) {
            .container-fluid-custom,
            .nav-container {
                padding: 0 16px;
            }
            .category-header-text h1 {
                font-size: 22px;
            }
            .category-header-text p {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .article-card-title {
                font-size: 15px;
            }
            .article-cover {
                height: 160px;
            }
            .footer-links {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cta-panel {
                padding: 22px 16px;
            }
            .cta-btn {
                width: 100%;
                justify-content: center;
            }
            .pagination {
                gap: 5px;
            }
            .page-btn {
                min-width: 34px;
                height: 34px;
                font-size: 12px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer p {
                font-size: 13px;
            }
        }