/* roulang page: index */
:root {
            --bg-base: #0B0E14;
            --bg-surface: #131720;
            --bg-surface-hover: #181D28;
            --accent-neon: #00E5A0;
            --accent-neon-dark: #00C896;
            --accent-purple: #8B5CF6;
            --accent-orange: #F97316;
            --text-primary: #E2E4E9;
            --text-secondary: #8B8FA3;
            --text-muted: #6B6F7A;
            --border-color: #1E2430;
            --border-hover: #00E5A0;
            --green: #22C55E;
            --red: #EF4444;
            --gold: #F97316;
            --silver: #8B8FA3;
            --bronze: #CD853F;
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 12px;
            --radius-2xl: 16px;
            --radius-full: 20px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            --shadow-card-hover: 0 4px 20px rgba(0, 229, 160, 0.12), 0 0 0 1px rgba(0, 229, 160, 0.2);
            --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-btn-hover: 0 2px 12px rgba(0, 229, 160, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --container-max: 1280px;
            --nav-height: 64px;
            --hero-min-height: calc(100vh - 64px);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-base);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 14, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
        }

        .site-nav .container {
            display: flex;
            align-items: center;
            width: 100%;
            justify-content: space-between;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            max-width: 140px;
            z-index: 1001;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--accent-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .nav-logo-icon svg {
            width: 20px;
            height: 20px;
            fill: var(--bg-base);
        }

        .nav-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .nav-chip {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            cursor: pointer;
            position: relative;
        }

        .nav-chip:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }

        .nav-chip.active {
            background: var(--accent-neon);
            color: var(--bg-base);
            border-color: var(--accent-neon);
            font-weight: 600;
        }

        .nav-cta {
            flex-shrink: 0;
            margin-left: 24px;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #00E5A0 0%, #00C896 100%);
            color: #0B0E14;
            font-weight: 700;
            font-size: 14px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-cta:hover {
            filter: brightness(1.08);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .nav-cta:active {
            filter: brightness(0.95);
            transform: translateY(0);
        }

        .nav-hamburger {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            flex-shrink: 0;
        }

        .nav-hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            margin: 5px 0;
            border-radius: 1px;
            transition: all var(--transition-smooth);
        }

        .nav-hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .nav-chips {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11, 14, 20, 0.95);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-nav);
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                text-align: center;
                width: 100%;
                padding: 10px 16px;
                font-size: 15px;
            }
            .nav-hamburger {
                display: block;
            }
            .nav-cta {
                margin-left: auto;
                margin-right: 12px;
                padding: 8px 16px;
                font-size: 13px;
            }
            .nav-logo-text {
                font-size: 16px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
            }
        }

        @media (max-width: 480px) {
            .nav-cta {
                padding: 7px 14px;
                font-size: 12px;
                margin-left: 6px;
                margin-right: 4px;
            }
            .nav-logo-text {
                font-size: 14px;
            }
        }

        /* ========== ANNOUNCEMENT BAR ========== */
        .announcement-bar {
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-color);
            padding: 8px 0;
            text-align: center;
            font-size: 13px;
            color: var(--accent-neon);
            letter-spacing: 0.3px;
            overflow: hidden;
            white-space: nowrap;
        }

        .announcement-bar .announcement-text {
            display: inline-block;
            animation: marquee-scroll 20s linear infinite;
        }

        @keyframes marquee-scroll {
            0% {
                transform: translateX(60%);
            }
            100% {
                transform: translateX(-60%);
            }
        }

        @media (max-width: 768px) {
            .announcement-bar {
                font-size: 12px;
                padding: 6px 0;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            min-height: var(--hero-min-height);
            background: linear-gradient(165deg, #0B0E14 0%, #131720 40%, #0B1420 70%, #0F1119 100%);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            padding: 40px 0;
        }

        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.04;
            background-image: radial-gradient(circle at 20% 30%, rgba(0, 229, 160, 0.5) 0px, transparent 1px),
                radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.5) 0px, transparent 1px),
                radial-gradient(circle at 50% 80%, rgba(249, 115, 22, 0.4) 0px, transparent 1px);
            background-size: 80px 80px, 100px 100px, 60px 60px;
            background-position: 0 0, 30px 20px, 15px 40px;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .hero-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .hero-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            letter-spacing: 1px;
        }

        .hero-header h1 .highlight {
            color: var(--accent-neon);
        }

        .hero-header .hero-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 10px;
            letter-spacing: 0.5px;
        }

        .hero-data-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
            margin-bottom: 16px;
        }

        .hero-data-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xs);
            padding: 14px;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            display: block;
            position: relative;
            min-width: 0;
        }

        .hero-data-card:hover {
            border-color: var(--accent-neon);
            background: var(--bg-surface-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
        }

        .hero-data-card .data-label {
            font-size: 11px;
            color: var(--text-secondary);
            margin-bottom: 4px;
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hero-data-card .data-value {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-neon);
            line-height: 1.1;
            letter-spacing: -0.5px;
        }

        .hero-data-card .data-trend {
            font-size: 12px;
            margin-top: 3px;
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }

        .hero-data-card .data-trend.up {
            color: var(--green);
        }
        .hero-data-card .data-trend.down {
            color: var(--red);
        }
        .hero-data-card .data-trend.live {
            color: var(--accent-neon);
        }

        .live-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--green);
            animation: pulse-dot 2s ease-in-out infinite;
            margin-right: 3px;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 4px var(--green);
            }
            50% {
                opacity: 0.3;
                box-shadow: 0 0 1px var(--green);
            }
        }

        @media (max-width: 1024px) {
            .hero-data-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .hero-header h1 {
                font-size: 26px;
            }
        }

        @media (max-width: 768px) {
            .hero-data-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .hero-data-card .data-value {
                font-size: 24px;
            }
            .hero-header h1 {
                font-size: 22px;
            }
            .hero-section {
                min-height: auto;
                padding: 32px 0;
            }
        }

        @media (max-width: 480px) {
            .hero-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 6px;
            }
            .hero-data-card {
                padding: 10px;
            }
            .hero-data-card .data-value {
                font-size: 20px;
            }
            .hero-data-card .data-label {
                font-size: 10px;
            }
            .hero-header h1 {
                font-size: 19px;
            }
            .hero-section {
                min-height: auto;
                padding: 24px 0;
            }
        }

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

        .section-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 36px;
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 20px;
                margin-bottom: 24px;
            }
        }

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

        .ranking-panel {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: border-color var(--transition-smooth);
        }

        .ranking-panel:hover {
            border-color: rgba(0, 229, 160, 0.4);
        }

        .ranking-panel h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
            gap: 10px;
            font-size: 14px;
        }

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

        .ranking-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        .ranking-num.gold {
            background: var(--gold);
            color: #fff;
        }
        .ranking-num.silver {
            background: var(--silver);
            color: #fff;
        }
        .ranking-num.bronze {
            background: var(--bronze);
            color: #fff;
        }
        .ranking-num.normal {
            background: var(--border-color);
            color: var(--text-secondary);
        }

        .ranking-name {
            flex: 1;
            font-weight: 500;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-change {
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .ranking-change.up {
            color: var(--green);
        }
        .ranking-change.down {
            color: var(--red);
        }

        .ranking-value {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .ranking-link {
            display: block;
            text-align: center;
            margin-top: 14px;
            color: var(--accent-neon);
            font-size: 13px;
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .ranking-link:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .ranking-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-card {
            display: flex;
            gap: 16px;
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 14px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
        }

        .news-card:hover {
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: var(--shadow-card-hover);
        }

        .news-card:hover .news-title {
            color: var(--accent-neon);
        }

        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-xs);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--border-color);
        }

        .news-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-top: 4px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
            flex-wrap: wrap;
        }

        .news-badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 3px;
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .news-badge.new {
            background: var(--accent-neon);
            color: var(--bg-base);
        }
        .news-badge.hot {
            background: var(--accent-orange);
        }
        .news-badge.rec {
            background: var(--accent-purple);
        }

        .news-readmore {
            color: var(--accent-neon);
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .news-thumb {
                width: 80px;
                height: 56px;
            }
            .news-title {
                font-size: 14px;
            }
            .news-summary {
                font-size: 12px;
                -webkit-line-clamp: 1;
            }
            .news-card {
                gap: 10px;
                padding: 10px;
            }
        }

        @media (max-width: 480px) {
            .news-thumb {
                width: 60px;
                height: 44px;
            }
            .news-title {
                font-size: 13px;
            }
        }

        /* ========== TOPIC CARDS ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
            display: block;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 229, 160, 0.5);
        }

        .topic-card:hover .topic-cover-img {
            transform: scale(1.03);
        }

        .topic-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--border-color);
        }

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

        .topic-body {
            padding: 20px;
        }

        .topic-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .topic-body .topic-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 8px;
            line-height: 1.5;
        }

        .topic-tags {
            display: flex;
            gap: 6px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

        .topic-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 11px;
            font-weight: 500;
            background: rgba(139, 92, 246, 0.15);
            color: var(--accent-purple);
            border: 1px solid rgba(139, 92, 246, 0.3);
            white-space: nowrap;
        }

        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

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

        .service-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 28px;
            transition: all var(--transition-smooth);
            position: relative;
            text-decoration: none;
            display: block;
        }

        .service-card:hover {
            border-color: var(--accent-neon);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .service-icon-box {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(0, 229, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 16px;
        }

        .service-card .service-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
            line-height: 1.6;
        }

        .service-features {
            margin-top: 12px;
            padding: 0;
        }

        .service-features li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 3px 0;
            padding-left: 18px;
            position: relative;
            line-height: 1.5;
        }

        .service-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-neon);
            font-weight: 700;
            font-size: 12px;
        }

        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-card {
                padding: 20px;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            background: var(--bg-surface);
        }

        .comparison-table {
            width: 100%;
            min-width: 600px;
            border-collapse: collapse;
            font-size: 14px;
        }

        .comparison-table th {
            padding: 16px 20px;
            text-align: left;
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-color);
            font-size: 15px;
            white-space: nowrap;
        }

        .comparison-table th.col-weike {
            color: var(--accent-neon);
        }
        .comparison-table th.col-traditional {
            color: var(--text-muted);
        }

        .comparison-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
            vertical-align: middle;
        }

        .comparison-table td.col-dimension {
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }
        .comparison-table td.col-weike {
            color: var(--accent-neon);
            font-weight: 600;
            font-family: var(--font-mono);
        }
        .comparison-table td.col-traditional {
            color: #555;
            font-family: var(--font-mono);
        }

        .progress-bar-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .progress-bar {
            height: 6px;
            border-radius: 3px;
            flex: 1;
            min-width: 40px;
        }
        .progress-bar.green {
            background: var(--accent-neon);
        }
        .progress-bar.gray {
            background: #333;
        }

        @media (max-width: 768px) {
            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 12px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: border-color var(--transition-smooth);
        }

        .testimonial-card:hover {
            border-color: rgba(139, 92, 246, 0.5);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-primary);
            flex-shrink: 0;
            font-weight: 700;
        }

        .testimonial-identity {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .testimonial-identity .identity-tag {
            display: inline-block;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-size: 11px;
            background: rgba(139, 92, 246, 0.15);
            color: var(--accent-purple);
            border: 1px solid rgba(139, 92, 246, 0.3);
            margin-bottom: 3px;
        }

        .testimonial-stars {
            color: #F59E0B;
            font-size: 13px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 14px;
            color: #B0B3BE;
            line-height: 1.6;
            font-style: italic;
        }

        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            gap: 12px;
            transition: color var(--transition-fast);
            list-style: none;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: var(--accent-neon);
            font-size: 18px;
            font-weight: 700;
            text-align: center;
            line-height: 22px;
        }

        .faq-item[open] summary {
            color: var(--accent-neon);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 0 18px 0;
            font-size: 14px;
            color: #B0B3BE;
            line-height: 1.7;
        }

        /* ========== ECOSYSTEM TAGS ========== */
        .ecosystem-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }

        .eco-tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-smooth);
            position: relative;
            white-space: nowrap;
        }

        .eco-tag:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
            background: rgba(0, 229, 160, 0.05);
            box-shadow: 0 2px 8px rgba(0, 229, 160, 0.1);
        }

        .update-log {
            max-width: 600px;
            margin: 0 auto;
        }

        .update-item {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            gap: 12px;
            align-items: baseline;
        }

        .update-date {
            color: var(--accent-neon);
            font-family: var(--font-mono);
            font-size: 12px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .update-version {
            color: var(--accent-purple);
            font-weight: 600;
            font-size: 12px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(165deg, #0B0E14 0%, #131720 40%, #0B1420 70%, #0F1119 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.06;
            background-image: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 160, 0.6) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 50%, rgba(139, 92, 246, 0.5) 0%, transparent 50%);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 40px;
            position: relative;
            z-index: 1;
            align-items: center;
        }

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

        .cta-form-wrap .cta-subtitle {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 18px;
        }
        .cta-benefits li {
            font-size: 13px;
            color: var(--text-secondary);
            padding-left: 18px;
            position: relative;
        }
        .cta-benefits li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-neon);
            font-weight: 700;
        }

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

        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }

        .cta-input:focus {
            border-color: var(--accent-neon);
            box-shadow: 0 0 0 2px rgba(0, 229, 160, 0.15);
        }

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

        .btn-primary {
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #00E5A0 0%, #00C896 100%);
            color: #0B0E14;
            font-weight: 700;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.4px;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            filter: brightness(0.95);
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-neon);
            outline-offset: 2px;
        }

        .cta-stats {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .cta-stat-item {
            text-align: center;
        }
        .cta-stat-value {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-neon);
            line-height: 1.1;
        }
        .cta-stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-stats {
                flex-direction: row;
                gap: 16px;
                justify-content: center;
                flex-wrap: wrap;
            }
            .cta-stat-value {
                font-size: 26px;
            }
            .cta-form {
                flex-direction: column;
            }
            .btn-primary {
                width: 100%;
                text-align: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0C12;
            padding: 40px 0;
            text-align: center;
            border-top: 1px solid var(--border-color);
        }

        .footer-info {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 2;
        }

        .footer-info a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-info a:hover {
            color: var(--accent-neon);
        }

        .footer-divider {
            display: inline-block;
            margin: 0 6px;
            color: var(--border-color);
        }

        .footer-row {
            margin: 6px 0;
        }

        @media (max-width: 480px) {
            .footer-info {
                font-size: 11px;
                line-height: 2.2;
            }
            .site-footer {
                padding: 28px 12px;
            }
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        @media print {
            .site-nav,
            .announcement-bar,
            .cta-section,
            .site-footer {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --bg-base: #0B0E14;
            --bg-surface: #131720;
            --bg-surface-hover: #181D28;
            --accent-primary: #00E5A0;
            --accent-primary-dark: #00C896;
            --accent-secondary: #8B5CF6;
            --accent-warning: #F97316;
            --text-primary: #E2E4E9;
            --text-secondary: #8B8FA3;
            --text-muted: #6B6F7A;
            --border-color: #1E2430;
            --border-hover: #00E5A0;
            --success: #22C55E;
            --danger: #EF4444;
            --gold: #F97316;
            --silver: #8B8FA3;
            --bronze: #CD853F;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --radius-xl: 12px;
            --radius-2xl: 16px;
            --radius-chip: 20px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            --shadow-card-hover: 0 4px 20px rgba(0, 229, 160, 0.12), 0 0 0 1px rgba(0, 229, 160, 0.2);
            --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-btn-hover: 0 2px 12px rgba(0, 229, 160, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
            --nav-height: 64px;
            --container-max: 1280px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-base);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 14, 20, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-nav);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon svg {
            width: 22px;
            height: 22px;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            transition: all 0.22s ease;
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .nav-chip:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-primary);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .nav-chip.active {
            background: var(--accent-primary);
            color: var(--bg-base);
            border-color: var(--accent-primary);
            font-weight: 600;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, #00E5A0 0%, #00C896 100%);
            text-decoration: none;
            transition: all 0.25s ease;
            white-space: nowrap;
            flex-shrink: 0;
            margin-left: 20px;
        }
        .header-cta:hover {
            filter: brightness(1.1);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }
        .mobile-menu-btn {
            display: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            padding: 0;
        }
        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(165deg, #0B0E14 0%, #131720 40%, #0B1420 70%, #0F1119 100%);
            padding: 48px 0 40px;
            min-height: 240px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(ellipse, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--accent-primary);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }
        .hero-live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(239, 68, 68, 0.15);
            border: 1px solid rgba(239, 68, 68, 0.35);
            color: var(--danger);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            margin-left: 12px;
            vertical-align: middle;
        }
        .hero-live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--danger);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.3;
                transform: scale(1.6);
            }
        }

        /* Filter bar */
        .filter-bar {
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
            position: sticky;
            top: var(--nav-height);
            z-index: 50;
        }
        .filter-inner {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            flex-shrink: 0;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }
        .filter-chip.active-filter {
            background: var(--accent-primary);
            color: var(--bg-base);
            border-color: var(--accent-primary);
            font-weight: 600;
        }
        .filter-sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 6px 12px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            background: transparent;
            transition: all 0.2s;
        }
        .filter-sort:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }
        .filter-sort svg {
            width: 14px;
            height: 14px;
        }

        /* Main layout */
        .main-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 28px;
            padding: 32px 0 60px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }

        /* Live stream cards */
        .live-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .live-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all 0.25s ease;
            cursor: pointer;
            position: relative;
        }
        .live-card:hover {
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .live-card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            background: #1A1F2B;
            overflow: hidden;
        }
        .live-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .live-card:hover .live-card-thumb img {
            transform: scale(1.04);
        }
        .live-play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.35);
            transition: background 0.3s;
        }
        .live-card:hover .live-play-overlay {
            background: rgba(0, 0, 0, 0.25);
        }
        .play-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.85);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            box-shadow: 0 0 24px rgba(0, 229, 160, 0.35);
        }
        .live-card:hover .play-icon-circle {
            background: var(--accent-primary);
            box-shadow: 0 0 36px rgba(0, 229, 160, 0.5);
            transform: scale(1.08);
        }
        .play-icon-circle svg {
            width: 20px;
            height: 20px;
            margin-left: 3px;
        }
        .live-status-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: var(--radius-chip);
            font-size: 11px;
            font-weight: 600;
            z-index: 2;
        }
        .live-status-badge.live-now {
            background: rgba(239, 68, 68, 0.85);
            color: #fff;
        }
        .live-status-badge.upcoming {
            background: rgba(249, 115, 22, 0.85);
            color: #fff;
        }
        .live-status-badge.ended {
            background: rgba(107, 111, 122, 0.75);
            color: #ccc;
        }
        .live-status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
        }
        .live-status-badge.live-now .live-status-dot {
            animation: pulse-dot 1.4s ease-in-out infinite;
        }
        .live-viewers {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            font-size: 11px;
            font-weight: 500;
            padding: 3px 9px;
            border-radius: var(--radius-chip);
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .live-viewers .eye-icon {
            width: 12px;
            height: 12px;
        }
        .live-card-body {
            padding: 16px;
        }
        .live-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .live-card-meta {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .live-card-teams {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        .live-card-teams .vs {
            color: var(--accent-warning);
            font-weight: 700;
            font-size: 12px;
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all 0.2s;
        }
        .page-btn:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(0, 229, 160, 0.05);
        }
        .page-btn.active-page {
            background: var(--accent-primary);
            color: var(--bg-base);
            border-color: var(--accent-primary);
            font-weight: 600;
        }
        .page-btn.page-dots {
            border: none;
            cursor: default;
            color: var(--text-muted);
        }
        .page-btn.page-dots:hover {
            background: transparent;
            color: var(--text-muted);
            border: none;
        }

        /* Sidebar */
        .sidebar-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px;
            margin-bottom: 18px;
        }
        .sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sidebar-card h4 .side-icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }
        .sidebar-rank-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .sidebar-rank-item:last-child {
            border-bottom: none;
        }
        .rank-num {
            width: 22px;
            height: 22px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .rank-num.r1 {
            background: var(--gold);
            color: #fff;
        }
        .rank-num.r2 {
            background: var(--silver);
            color: #fff;
        }
        .rank-num.r3 {
            background: var(--bronze);
            color: #fff;
        }
        .rank-num.rn {
            background: #1E2430;
            color: var(--text-secondary);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-name {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-meta {
            font-size: 11px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }
        .rank-arrow {
            font-size: 12px;
            flex-shrink: 0;
        }
        .rank-arrow.up {
            color: var(--success);
        }
        .rank-arrow.down {
            color: var(--danger);
        }
        .rank-arrow.stay {
            color: var(--text-muted);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.1) 0%, rgba(139, 92, 246, 0.06) 100%);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
        }
        .sidebar-cta h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .sidebar-cta p {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .sidebar-cta .btn-sm {
            display: inline-block;
            padding: 9px 20px;
            border-radius: var(--radius-md);
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, #00E5A0 0%, #00C896 100%);
            transition: all 0.25s;
            text-decoration: none;
        }
        .sidebar-cta .btn-sm:hover {
            filter: brightness(1.1);
            box-shadow: var(--shadow-btn-hover);
        }
        .sidebar-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .sidebar-tag {
            display: inline-block;
            padding: 5px 10px;
            border-radius: var(--radius-chip);
            font-size: 11px;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
        }
        .sidebar-tag:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(0, 229, 160, 0.05);
        }

        /* FAQ section */
        .section-faq {
            padding: 60px 0 40px;
        }
        .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-question {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            padding: 16px 0;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.2s;
            gap: 12px;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent-primary);
        }
        .faq-question.open {
            color: var(--accent-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-secondary);
            transition: transform 0.3s ease;
            font-family: var(--font-mono);
        }
        .faq-question.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 14px;
            color: #B0B3BE;
            line-height: 1.7;
            padding: 0;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 0 16px 0;
        }

        /* CTA Section */
        .section-cta {
            padding: 48px 0 60px;
        }
        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.08) 0%, rgba(139, 92, 246, 0.05) 100%);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: var(--radius-2xl);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .cta-left h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .cta-left p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color 0.2s;
            outline: none;
        }
        .cta-form input:focus {
            border-color: var(--accent-primary);
        }
        .cta-form input::placeholder {
            color: var(--text-muted);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, #00E5A0 0%, #00C896 100%);
            cursor: pointer;
            transition: all 0.25s ease;
            border: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }
        .cta-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cta-stat {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .cta-stat-num {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1;
            min-width: 70px;
        }
        .cta-stat-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Footer */
        .site-footer {
            background: #0A0C12;
            padding: 40px 0;
            text-align: center;
            border-top: 1px solid var(--border-color);
        }
        .footer-info {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 2;
        }
        .footer-row {
            margin-bottom: 4px;
        }
        .footer-row a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-row a:hover {
            color: var(--accent-primary);
        }
        .footer-divider {
            margin: 0 8px;
            color: #3A3D45;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-layout {
                grid-template-columns: 1fr 280px;
                gap: 20px;
            }
            .live-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .cta-panel {
                grid-template-columns: 1fr;
                padding: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-chips {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(11, 14, 20, 0.96);
                backdrop-filter: blur(16px);
                padding: 12px 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-nav);
                z-index: 999;
            }
            .nav-chips.mobile-open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                justify-content: center;
                padding: 10px 16px;
                font-size: 14px;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .header-cta {
                font-size: 12px;
                padding: 8px 14px;
                margin-left: 8px;
            }
            .main-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sidebar {
                order: 2;
            }
            .live-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-hero {
                padding: 32px 0 28px;
                min-height: auto;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .filter-inner {
                gap: 8px;
            }
            .filter-sort {
                margin-left: 0;
            }
            .section-faq {
                padding: 40px 0 20px;
            }
            .section-cta {
                padding: 32px 0 40px;
            }
            .cta-panel {
                padding: 24px;
            }
            .pagination {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 520px) {
            .live-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .category-hero .hero-desc {
                font-size: 13px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
                width: 100%;
            }
            .cta-form .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .cta-stat-num {
                font-size: 24px;
                min-width: 56px;
            }
            .section-title {
                font-size: 18px;
            }
            .logo-text {
                font-size: 15px;
            }
            .header-inner {
                padding: 0 12px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-base: #0B0E14;
            --bg-surface: #131720;
            --bg-surface-hover: #181D28;
            --bg-footer: #0A0C12;
            --accent-primary: #00E5A0;
            --accent-primary-dark: #00C896;
            --accent-purple: #8B5CF6;
            --accent-orange: #F97316;
            --text-primary: #E2E4E9;
            --text-secondary: #8B8FA3;
            --text-muted: #6B6F7A;
            --border-default: #1E2430;
            --border-hover: #00E5A0;
            --green: #22C55E;
            --red: #EF4444;
            --gold: #F97316;
            --silver: #8B8FA3;
            --bronze: #CD853F;
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-chip: 20px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            --shadow-card-hover: 0 4px 20px rgba(0, 229, 160, 0.12), 0 0 0 1px rgba(0, 229, 160, 0.2);
            --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-btn-hover: 0 2px 12px rgba(0, 229, 160, 0.3);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', 'Courier New', monospace;
            --nav-height: 64px;
            --container-max: 1280px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-base);
            min-height: 100vh;
            -webkit-text-size-adjust: 100%;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        img[loading="lazy"] {
            background-color: var(--border-default);
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: var(--text-primary);
        }
        h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.2;
        }
        h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
        }
        h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.25;
            }
        }
        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .live-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--green);
            animation: pulse-dot 2s infinite;
            margin-right: 5px;
            flex-shrink: 0;
        }

        .trend-up {
            color: var(--green);
        }
        .trend-down {
            color: var(--red);
        }
        .trend-stable {
            color: var(--text-secondary);
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 14, 20, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-default);
            box-shadow: var(--shadow-nav);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--text-primary);
        }
        .header-logo:hover {
            color: var(--accent-primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon svg {
            width: 22px;
            height: 22px;
            fill: #0B0E14;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            color: var(--text-primary);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-default);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .nav-chip:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-primary);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .nav-chip.active {
            background: var(--accent-primary);
            color: #0B0E14;
            border-color: var(--accent-primary);
            font-weight: 600;
        }
        .header-cta {
            flex-shrink: 0;
            margin-left: 20px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 11px 22px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: #0B0E14;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-dark) 100%);
            border: none;
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-normal);
            box-shadow: 0 2px 8px rgba(0, 229, 160, 0.15);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #0B0E14;
        }
        .btn-primary:active {
            filter: brightness(0.95);
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-primary);
            background: transparent;
            border: 1.5px solid var(--accent-primary);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-primary);
        }
        .btn-lg {
            padding: 14px 30px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }
        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-chips {
                gap: 2px;
            }
            .nav-chip {
                padding: 6px 11px;
                font-size: 13px;
            }
            .header-cta {
                margin-left: 12px;
            }
            .btn-primary {
                padding: 9px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-chips {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11, 14, 20, 0.96);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                gap: 2px;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border-default);
                box-shadow: var(--shadow-nav);
                display: none;
                z-index: 999;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                padding: 10px 16px;
                border-radius: var(--radius-md);
                font-size: 14px;
                text-align: center;
                justify-content: center;
                border: 1px solid var(--border-default);
            }
            .header-cta {
                margin-left: auto;
                margin-right: 8px;
            }
            .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                padding: 0 12px;
            }
            .logo-text {
                font-size: 14px;
            }
            .btn-primary {
                padding: 7px 12px;
                font-size: 12px;
            }
        }

        /* ========== HERO ========== */
        .category-hero {
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
            background: linear-gradient(165deg, #0B0E14 0%, #131720 40%, #0B1420 70%, #0F1119 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-default);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: radial-gradient(ellipse at top right, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
            padding: 40px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--accent-primary);
            font-weight: 500;
        }
        .hero-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .hero-title .highlight {
            color: var(--accent-primary);
        }
        .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.6;
        }
        .hero-badge-row {
            display: flex;
            gap: 10px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent-primary);
            border: 1px solid rgba(0, 229, 160, 0.25);
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 220px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 14px;
                max-width: 100%;
            }
            .hero-content {
                padding: 28px 0;
            }
        }
        @media (max-width: 480px) {
            .category-hero {
                min-height: 200px;
            }
            .hero-title {
                font-size: 20px;
            }
            .hero-desc {
                font-size: 13px;
            }
        }

        /* ========== MAIN LAYOUT ========== */
        .main-with-sidebar {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            padding: 56px 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            align-self: flex-start;
            max-height: calc(100vh - var(--nav-height) - 48px);
            overflow-y: auto;
        }
        @media (max-width: 1024px) {
            .main-with-sidebar {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .main-with-sidebar {
                grid-template-columns: 1fr;
                gap: 40px;
                padding: 36px 0;
            }
            .sidebar {
                position: static;
                max-height: none;
                overflow-y: visible;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .sidebar {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title .icon {
            font-size: 1.2em;
        }
        .section-subtitle {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            margin-top: -16px;
        }

        /* ========== DATA CARDS GRID ========== */
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .data-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-xs);
            padding: 16px;
            cursor: pointer;
            transition: all var(--transition-normal);
            position: relative;
            min-width: 0;
        }
        .data-card:hover {
            border-color: var(--accent-primary);
            background: var(--bg-surface-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
        }
        .data-card .card-label {
            font-size: 11px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .data-card .card-value {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1.1;
            margin-bottom: 6px;
            white-space: nowrap;
        }
        .data-card .card-trend {
            font-size: 12px;
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .data-card .card-trend .arrow {
            font-weight: 700;
        }
        .data-card.live-card .card-value {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        @media (max-width: 1024px) {
            .data-cards-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .data-card .card-value {
                font-size: 26px;
            }
        }
        @media (max-width: 768px) {
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-card {
                padding: 13px;
            }
            .data-card .card-value {
                font-size: 24px;
            }
        }
        @media (max-width: 480px) {
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .data-card {
                padding: 10px;
            }
            .data-card .card-label {
                font-size: 10px;
            }
            .data-card .card-value {
                font-size: 20px;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            margin-top: 48px;
        }
        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
        }
        .comparison-table {
            width: 100%;
            min-width: 600px;
            border-collapse: collapse;
            font-size: 14px;
        }
        .comparison-table thead th {
            background: var(--bg-surface);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: 2px solid var(--border-default);
            white-space: nowrap;
        }
        .comparison-table thead th.highlight-col {
            color: var(--accent-primary);
            background: rgba(0, 229, 160, 0.05);
        }
        .comparison-table thead th.muted-col {
            color: var(--text-muted);
        }
        .comparison-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--border-default);
            color: var(--text-primary);
            vertical-align: middle;
        }
        .comparison-table tbody tr:hover td {
            background: rgba(0, 229, 160, 0.03);
        }
        .comparison-table .dim-label {
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }
        .comparison-table .val-highlight {
            color: var(--accent-primary);
            font-weight: 700;
            font-family: var(--font-mono);
        }
        .comparison-table .val-muted {
            color: var(--text-muted);
            font-family: var(--font-mono);
        }
        .progress-bar-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .progress-bar {
            flex: 1;
            height: 6px;
            border-radius: 3px;
            background: #333;
            overflow: hidden;
        }
        .progress-bar .fill {
            height: 100%;
            border-radius: 3px;
            transition: width 0.6s ease;
        }
        .progress-bar .fill.green-fill {
            background: var(--accent-primary);
        }
        .progress-bar .fill.gray-fill {
            background: #555;
        }
        .progress-label {
            font-size: 12px;
            font-family: var(--font-mono);
            white-space: nowrap;
            min-width: 36px;
            text-align: right;
        }
        @media (max-width: 768px) {
            .comparison-table {
                min-width: 500px;
                font-size: 13px;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }
        }

        /* ========== HOT RANKING ========== */
        .hot-ranking {
            margin-top: 48px;
        }
        .ranking-list {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 18px;
            border-bottom: 1px solid var(--border-default);
            transition: background var(--transition-fast);
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: var(--bg-surface-hover);
        }
        .rank-num {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-num.gold {
            color: var(--gold);
        }
        .rank-num.silver {
            color: var(--silver);
        }
        .rank-num.bronze {
            color: var(--bronze);
        }
        .rank-num.normal {
            color: var(--text-secondary);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-sub {
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-change {
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .rank-value {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-primary);
            white-space: nowrap;
            flex-shrink: 0;
            text-align: right;
            min-width: 50px;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 20px;
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .sidebar-mini-rank .mini-rank-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(30, 36, 48, 0.6);
            font-size: 13px;
        }
        .sidebar-mini-rank .mini-rank-item:last-child {
            border-bottom: none;
        }
        .mini-rank-num {
            font-family: var(--font-mono);
            font-weight: 700;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 13px;
        }
        .mini-rank-name {
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: var(--text-primary);
        }
        .mini-rank-val {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--accent-primary);
            flex-shrink: 0;
        }
        .sidebar-topic-card {
            display: block;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            transition: all var(--transition-normal);
            text-decoration: none;
            margin-bottom: 12px;
        }
        .sidebar-topic-card:last-child {
            margin-bottom: 0;
        }
        .sidebar-topic-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .sidebar-topic-card img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            display: block;
        }
        .sidebar-topic-card .topic-info {
            padding: 12px;
        }
        .sidebar-topic-card .topic-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .sidebar-topic-card .topic-desc {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.4;
        }
        .sidebar-cta-mini {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.08) 0%, rgba(139, 92, 246, 0.06) 100%);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
        }
        .sidebar-cta-mini h3 {
            font-size: 15px;
            margin-bottom: 8px;
        }
        .sidebar-cta-mini p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .sidebar-cta-mini .btn-primary {
            width: 100%;
            justify-content: center;
        }

        /* ========== CHART PLACEHOLDER ========== */
        .chart-placeholder {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: center;
            min-height: 220px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .chart-placeholder::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 0%, rgba(0, 229, 160, 0.03) 50%, transparent 100%);
            background-size: 200% 100%;
            animation: shimmer 3s infinite;
        }
        .chart-placeholder .chart-icon {
            font-size: 48px;
            position: relative;
            z-index: 1;
        }
        .chart-placeholder .chart-text {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            z-index: 1;
        }
        .chart-placeholder .chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 6px;
            height: 80px;
            position: relative;
            z-index: 1;
        }
        .chart-placeholder .chart-bar {
            width: 18px;
            border-radius: 3px 3px 0 0;
            background: var(--accent-primary);
            opacity: 0.7;
            transition: height 0.6s ease;
        }
        .chart-bar:nth-child(1) {
            height: 55%;
            opacity: 0.5;
        }
        .chart-bar:nth-child(2) {
            height: 38%;
            opacity: 0.55;
        }
        .chart-bar:nth-child(3) {
            height: 72%;
            opacity: 0.65;
        }
        .chart-bar:nth-child(4) {
            height: 48%;
            opacity: 0.55;
        }
        .chart-bar:nth-child(5) {
            height: 85%;
            opacity: 0.8;
        }
        .chart-bar:nth-child(6) {
            height: 62%;
            opacity: 0.6;
        }
        .chart-bar:nth-child(7) {
            height: 90%;
            opacity: 0.9;
        }
        .chart-bar:nth-child(8) {
            height: 44%;
            opacity: 0.5;
        }
        .chart-bar:nth-child(9) {
            height: 68%;
            opacity: 0.65;
        }
        .chart-bar:nth-child(10) {
            height: 78%;
            opacity: 0.75;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-top: 48px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-default);
            background: var(--bg-surface);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--accent-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1.5px solid var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-normal);
            font-family: var(--font-mono);
            line-height: 1;
        }
        .faq-item.open .faq-question {
            color: var(--accent-primary);
        }
        .faq-item.open .faq-icon {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px 20px;
            font-size: 14px;
            color: #B0B3BE;
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            margin-top: 56px;
            background: linear-gradient(165deg, #0B0E14 0%, #131720 35%, #0B1420 70%, #0F1119 100%);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.1) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }
        .cta-left {
            position: relative;
            z-index: 1;
        }
        .cta-left h2 {
            font-size: 24px;
            margin-bottom: 10px;
        }
        .cta-left p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background: var(--bg-base);
            border: 1.5px solid var(--border-default);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }
        .cta-form input:focus {
            border-color: var(--accent-primary);
        }
        .cta-right {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .cta-stat {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .cta-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 34px;
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1;
            min-width: 80px;
        }
        .cta-stat .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.4;
        }
        @media (max-width: 768px) {
            .cta-section {
                grid-template-columns: 1fr;
                padding: 30px 24px;
                gap: 24px;
            }
            .cta-stat .stat-num {
                font-size: 28px;
                min-width: 60px;
            }
            .cta-left h2 {
                font-size: 20px;
            }
        }
        @media (max-width: 480px) {
            .cta-section {
                padding: 24px 16px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
                width: 100%;
            }
            .cta-form .btn-primary {
                width: 100%;
            }
            .cta-stat .stat-num {
                font-size: 24px;
                min-width: 50px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid var(--border-default);
            padding: 36px 0;
            margin-top: 60px;
        }
        .footer-info {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 2;
        }
        .footer-row {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 4px;
        }
        .footer-divider {
            margin: 0 8px;
            color: var(--border-default);
            user-select: none;
        }
        .footer-info a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .footer-info a:hover {
            color: var(--accent-primary);
        }
        @media (max-width: 480px) {
            .site-footer {
                padding: 24px 0;
                margin-top: 40px;
            }
            .footer-info {
                font-size: 11px;
                line-height: 1.9;
            }
            .footer-row {
                gap: 2px;
            }
            .footer-divider {
                margin: 0 5px;
            }
        }

        /* ========== UTILITY ========== */
        .mt-0 {
            margin-top: 0;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }
        .text-muted {
            color: var(--text-secondary);
        }
        .text-accent {
            color: var(--accent-primary);
        }
        .text-sm {
            font-size: 13px;
        }
        .fw-600 {
            font-weight: 600;
        }
        .fw-700 {
            font-weight: 700;
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0B0E14;
            --bg-surface: #131720;
            --bg-card: #131720;
            --bg-elevated: #181D28;
            --accent-neon: #00E5A0;
            --accent-neon-dark: #00C896;
            --accent-purple: #8B5CF6;
            --accent-orange: #F97316;
            --text-primary: #E2E4E9;
            --text-secondary: #8B8FA3;
            --text-tertiary: #6B6F7A;
            --border-default: #1E2430;
            --border-hover: #00E5A0;
            --green: #22C55E;
            --red: #EF4444;
            --gold: #F97316;
            --silver: #8B8FA3;
            --bronze: #CD853F;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-2xl: 16px;
            --radius-chip: 20px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            --shadow-card-hover: 0 4px 20px rgba(0, 229, 160, 0.12), 0 0 0 1px rgba(0, 229, 160, 0.2);
            --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-btn-hover: 0 2px 12px rgba(0, 229, 160, 0.3);
            --nav-height: 64px;
            --container-max: 1280px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.3s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            min-height: 100vh;
            -webkit-text-size-adjust: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-neon);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        h1 {
            font-size: 30px;
            line-height: 1.2;
        }
        h2 {
            font-size: 22px;
        }
        h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 14, 20, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-default);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            max-width: 150px;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 18px;
            text-decoration: none;
        }
        .header-logo:hover {
            color: var(--accent-neon);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-neon-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon svg {
            width: 22px;
            height: 22px;
            fill: #0B0E14;
        }
        .logo-text {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-default);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-chip:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .nav-chip.active {
            background: var(--accent-neon);
            color: #0B0E14;
            border-color: var(--accent-neon);
            font-weight: 600;
            box-shadow: 0 0 16px rgba(0, 229, 160, 0.25);
        }
        .header-cta {
            flex-shrink: 0;
            margin-left: 20px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 22px;
            border-radius: var(--radius-lg);
            font-size: 14px;
            font-weight: 600;
            color: #0B0E14;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-neon-dark));
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #0B0E14;
        }
        .btn-primary:active {
            filter: brightness(0.95);
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-neon);
            outline-offset: 2px;
        }
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            min-height: 240px;
            display: flex;
            align-items: center;
            background: linear-gradient(165deg, #0B0E14 0%, #131720 35%, #0B1420 65%, #0F1119 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-default);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(ellipse, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding-top: 20px;
            padding-bottom: 20px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-tertiary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-neon);
        }
        .breadcrumb .sep {
            color: var(--text-tertiary);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--accent-neon);
            font-weight: 500;
        }
        .page-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .page-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            padding: 20px 0;
            border-bottom: 1px solid var(--border-default);
            background: var(--bg-deep);
            position: sticky;
            top: var(--nav-height);
            z-index: 50;
        }
        .filter-bar .container {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-tertiary);
            font-weight: 500;
            flex-shrink: 0;
        }
        .filter-chips {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-default);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .filter-chip:hover {
            background: rgba(0, 229, 160, 0.06);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .filter-chip.active {
            background: var(--accent-neon);
            color: #0B0E14;
            border-color: var(--accent-neon);
            font-weight: 600;
        }
        .filter-sort {
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 6px 12px;
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            background: var(--bg-surface);
            transition: border-color var(--transition-fast);
            flex-shrink: 0;
        }
        .filter-sort:hover {
            border-color: var(--accent-neon);
        }

        /* ========== MAIN LAYOUT ========== */
        .main-layout {
            padding: 40px 0 60px;
            background: var(--bg-deep);
        }
        .main-layout .container {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

        /* ========== CONTENT LIST ========== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-card {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            position: relative;
            overflow: hidden;
        }
        .article-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-elevated);
            transform: translateY(-2px);
        }
        .article-card:hover .article-title {
            color: var(--accent-neon);
        }
        .article-thumb {
            width: 140px;
            height: 94px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--border-default);
            position: relative;
        }
        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }
        .article-card:hover .article-thumb img {
            transform: scale(1.04);
        }
        .article-thumb .thumb-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--border-default);
            color: var(--text-tertiary);
            font-size: 28px;
        }
        .article-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }
        .article-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .article-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: auto;
        }
        .article-date {
            font-size: 12px;
            color: var(--text-tertiary);
        }
        .article-badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 3px;
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            line-height: 1.5;
        }
        .badge-new {
            background: var(--accent-neon);
            color: #0B0E14;
        }
        .badge-hot {
            background: var(--accent-orange);
        }
        .badge-recommend {
            background: var(--accent-purple);
        }
        .badge-transfer {
            background: #3B82F6;
        }
        .badge-analysis {
            background: #10B981;
        }
        .article-tag {
            font-size: 11px;
            color: var(--accent-neon);
            border: 1px solid rgba(0, 229, 160, 0.3);
            padding: 2px 8px;
            border-radius: var(--radius-chip);
            white-space: nowrap;
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .page-btn:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
        }
        .page-btn.active {
            background: var(--accent-neon);
            color: #0B0E14;
            border-color: var(--accent-neon);
            font-weight: 600;
        }
        .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 60px);
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 20px;
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 .icon-emoji {
            font-size: 18px;
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-default);
            transition: background var(--transition-fast);
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            background: rgba(255, 255, 255, 0.02);
            border-radius: var(--radius-sm);
            padding-left: 6px;
            padding-right: 6px;
            margin: 0 -6px;
        }
        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .rank-num.gold {
            background: rgba(249, 115, 22, 0.2);
            color: var(--gold);
        }
        .rank-num.silver {
            background: rgba(139, 143, 163, 0.2);
            color: var(--silver);
        }
        .rank-num.bronze {
            background: rgba(205, 133, 63, 0.2);
            color: var(--bronze);
        }
        .rank-num.default {
            background: rgba(107, 111, 122, 0.2);
            color: var(--text-tertiary);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-change {
            font-size: 11px;
            font-weight: 600;
            white-space: nowrap;
        }
        .rank-change.up {
            color: var(--green);
        }
        .rank-change.down {
            color: var(--red);
        }
        .rank-change.stable {
            color: var(--text-tertiary);
        }
        .rank-score {
            font-size: 12px;
            color: var(--text-tertiary);
            font-family: var(--font-mono);
            white-space: nowrap;
        }
        .sidebar-cta {
            background: linear-gradient(165deg, #131720 0%, #181D28 50%, #131720 100%);
            border: 1px solid rgba(0, 229, 160, 0.25);
            border-radius: var(--radius-xl);
            padding: 22px 20px;
            text-align: center;
        }
        .sidebar-cta h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .sidebar-cta p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .sidebar-cta .btn-primary {
            width: 100%;
            font-size: 14px;
            padding: 12px 20px;
        }
        .topic-mini {
            display: flex;
            gap: 10px;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-default);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            color: inherit;
        }
        .topic-mini:last-child {
            border-bottom: none;
        }
        .topic-mini:hover {
            color: var(--accent-neon);
        }
        .topic-mini-thumb {
            width: 56px;
            height: 42px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--border-default);
        }
        .topic-mini-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-mini-info {
            flex: 1;
            min-width: 0;
        }
        .topic-mini-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .topic-mini:hover .topic-mini-title {
            color: var(--accent-neon);
        }
        .topic-mini-tag {
            font-size: 11px;
            color: var(--text-tertiary);
            margin-top: 2px;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-deep);
            border-top: 1px solid var(--border-default);
        }
        .faq-section h2 {
            margin-bottom: 28px;
            text-align: center;
            font-size: 24px;
            color: var(--text-primary);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-default);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 4px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: color var(--transition-fast);
            text-align: left;
            gap: 12px;
            background: none;
            border: none;
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--accent-neon);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-tertiary);
            transition: all var(--transition-normal);
        }
        .faq-item.open .faq-question {
            color: var(--accent-neon);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-neon);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 4px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 4px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: #B0B3BE;
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0C12;
            border-top: 1px solid var(--border-default);
            padding: 36px 0;
            text-align: center;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }
        .footer-info {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }
        .footer-row {
            font-size: 13px;
            color: #6B6F7A;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-row a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 13px;
        }
        .footer-row a:hover {
            color: var(--accent-neon);
        }
        .footer-divider {
            color: #3A3E48;
            user-select: none;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .main-layout .container {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
            .article-thumb {
                width: 120px;
                height: 80px;
            }
            .article-title {
                font-size: 14px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --nav-height: 56px;
            }
            .nav-chips {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(11, 14, 20, 0.97);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-default);
                padding: 12px 16px;
                gap: 8px;
                z-index: 999;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                justify-content: center;
                padding: 10px 16px;
                font-size: 14px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-cta {
                margin-left: auto;
                margin-right: 12px;
            }
            .header-cta .btn-primary {
                padding: 9px 16px;
                font-size: 13px;
            }
            .main-layout .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .sidebar {
                position: static;
                order: 10;
            }
            .article-card {
                flex-direction: column;
                gap: 12px;
            }
            .article-thumb {
                width: 100%;
                height: 160px;
            }
            .page-hero {
                min-height: 200px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero .hero-desc {
                font-size: 14px;
            }
            .filter-bar {
                top: var(--nav-height);
                padding: 14px 0;
            }
            .filter-chips {
                gap: 4px;
            }
            .filter-chip {
                padding: 5px 10px;
                font-size: 11px;
            }
            .pagination {
                gap: 4px;
            }
            .page-btn {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 4px;
            }
            .faq-answer p {
                font-size: 13px;
            }
            .site-footer {
                padding: 28px 0;
            }
            .footer-row {
                font-size: 11px;
                gap: 4px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .page-hero {
                min-height: 170px;
            }
            .page-hero h1 {
                font-size: 21px;
            }
            .page-hero .hero-desc {
                font-size: 13px;
            }
            .article-thumb {
                height: 130px;
            }
            .article-title {
                font-size: 14px;
            }
            .article-summary {
                font-size: 12px;
                -webkit-line-clamp: 2;
            }
            .filter-bar .container {
                gap: 8px;
            }
            .filter-chip {
                padding: 4px 9px;
                font-size: 10px;
                border-radius: 14px;
            }
            .sidebar-card {
                padding: 14px;
            }
            .sidebar-card h3 {
                font-size: 14px;
            }
            .rank-name {
                font-size: 13px;
            }
            .footer-row {
                flex-direction: column;
                gap: 2px;
                text-align: center;
            }
            .footer-divider {
                display: none;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0B0E14;
            --bg-surface: #131720;
            --bg-elevated: #181D28;
            --accent-neon: #00E5A0;
            --accent-purple: #8B5CF6;
            --accent-orange: #F97316;
            --text-primary: #E2E4E9;
            --text-secondary: #8B8FA3;
            --text-muted: #6B6F7A;
            --border-color: #1E2430;
            --border-active: #00E5A0;
            --green: #22C55E;
            --red: #EF4444;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-chip: 20px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            --shadow-card-hover: 0 4px 20px rgba(0, 229, 160, 0.12), 0 0 0 1px rgba(0, 229, 160, 0.2);
            --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-btn-hover: 0 2px 12px rgba(0, 229, 160, 0.3);
            --nav-height: 64px;
            --container-max: 1280px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            min-height: 100vh;
        }

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

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

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

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 14, 20, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            position: relative;
            flex-shrink: 0;
        }

        .logo-icon svg {
            width: 100%;
            height: 100%;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent-neon);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .nav-chip:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }

        .nav-chip.active {
            background: var(--accent-neon);
            color: var(--bg-deep);
            border-color: var(--accent-neon);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(0, 229, 160, 0.25);
        }

        .header-cta {
            flex-shrink: 0;
            margin-left: 20px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 22px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: #0B0E14;
            background: linear-gradient(135deg, #00E5A0 0%, #00C896 100%);
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            filter: brightness(0.95);
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-neon);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-neon);
            background: transparent;
            border: 1.5px solid var(--accent-neon);
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            box-shadow: 0 2px 10px rgba(0, 229, 160, 0.15);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-neon);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 12px;
            border-radius: 6px;
            font-weight: 600;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            background: linear-gradient(165deg, #0B0E14 0%, #131720 40%, #0B1420 70%, #0F1119 100%);
            padding: 40px 0 36px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.06) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(ellipse, rgba(139, 92, 246, 0.05) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-neon);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--accent-neon);
            font-weight: 500;
        }

        .category-hero h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.6;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 24px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .hero-stat-item .stat-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .hero-stat-item .stat-dot.live {
            background: var(--green);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        .hero-stat-item .stat-dot.upcoming {
            background: var(--accent-orange);
        }
        .hero-stat-item strong {
            color: var(--accent-neon);
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 6px var(--green);
            }
            50% {
                opacity: 0.35;
                box-shadow: 0 0 2px var(--green);
            }
        }

        /* ===== 主内容区 ===== */
        .main-content {
            padding: 40px 0 60px;
        }
        .main-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

        /* ===== 筛选栏 ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 15px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            background: transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            background: rgba(0, 229, 160, 0.06);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .filter-chip.active {
            background: var(--accent-neon);
            color: var(--bg-deep);
            border-color: var(--accent-neon);
            font-weight: 600;
        }
        .filter-chip .live-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--green);
            margin-right: 5px;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        .filter-sort {
            margin-left: auto;
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            padding: 6px 12px;
            border-radius: var(--radius-chip);
            border: 1px solid var(--border-color);
            background: transparent;
            transition: all var(--transition-fast);
        }
        .filter-sort:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
        }

        /* ===== 直播卡片网格 ===== */
        .live-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }
        .live-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
        }
        .live-card:hover {
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .live-card .card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            background: var(--bg-elevated);
            overflow: hidden;
        }
        .live-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .live-card:hover .card-thumb img {
            transform: scale(1.03);
        }
        .live-card .play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(11, 14, 20, 0.45);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .live-card:hover .play-overlay {
            opacity: 1;
        }
        .play-icon-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.85);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0, 229, 160, 0.35);
        }
        .play-icon-circle::after {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 9px 0 9px 16px;
            border-color: transparent transparent transparent #0B0E14;
            margin-left: 3px;
        }
        .live-card .status-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 10px;
            border-radius: 3px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            z-index: 2;
        }
        .status-badge.live-now {
            background: var(--red);
            color: #fff;
            animation: pulse-badge 2s ease-in-out infinite;
        }
        .status-badge.upcoming {
            background: var(--accent-orange);
            color: #fff;
        }
        .status-badge.ended {
            background: #3a3f4a;
            color: #bbb;
        }
        .status-badge.replay {
            background: var(--accent-purple);
            color: #fff;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
            }
            50% {
                box-shadow: 0 0 18px rgba(239, 68, 68, 0.8);
            }
        }
        .live-card .viewer-count {
            position: absolute;
            top: 10px;
            right: 10px;
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(11, 14, 20, 0.8);
            padding: 3px 9px;
            border-radius: 3px;
            font-size: 12px;
            font-family: var(--font-mono);
            color: var(--text-primary);
            z-index: 2;
        }
        .viewer-count .eye-icon {
            width: 14px;
            height: 10px;
            display: inline-block;
        }
        .live-card .card-body {
            padding: 16px 18px;
        }
        .live-card .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .live-card:hover .card-body h3 {
            color: var(--accent-neon);
        }
        .live-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .live-card .card-meta .league-tag {
            padding: 2px 8px;
            border-radius: 3px;
            font-size: 11px;
            font-weight: 500;
            background: rgba(139, 92, 246, 0.15);
            color: var(--accent-purple);
            border: 1px solid rgba(139, 92, 246, 0.25);
        }
        .live-card .card-actions {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 12px;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            background: transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .page-btn:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
            background: rgba(0, 229, 160, 0.05);
        }
        .page-btn.active {
            background: var(--accent-neon);
            color: var(--bg-deep);
            border-color: var(--accent-neon);
            font-weight: 700;
        }
        .page-btn.disabled {
            opacity: 0.35;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }
        .sidebar-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px;
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 .icon-emoji {
            font-size: 18px;
        }
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .hot-list-item:last-child {
            border-bottom: none;
        }
        .hot-list-item:hover {
            color: var(--accent-neon);
        }
        .hot-rank {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .hot-rank.gold {
            background: rgba(249, 115, 22, 0.2);
            color: var(--accent-orange);
        }
        .hot-rank.silver {
            background: rgba(139, 143, 163, 0.2);
            color: #b0b3be;
        }
        .hot-rank.bronze {
            background: rgba(205, 133, 63, 0.2);
            color: #cd853f;
        }
        .hot-rank.normal {
            background: rgba(107, 111, 122, 0.2);
            color: var(--text-muted);
        }
        .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-info .hot-name {
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-info .hot-sub {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }
        .hot-arrow {
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .hot-arrow.up {
            color: var(--green);
        }
        .hot-arrow.down {
            color: var(--red);
        }
        .sidebar-topic-entry {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .sidebar-topic-entry:last-child {
            border-bottom: none;
        }
        .sidebar-topic-entry:hover {
            color: var(--accent-neon);
        }
        .sidebar-topic-entry .topic-thumb {
            width: 52px;
            height: 36px;
            border-radius: 4px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }
        .sidebar-topic-entry .topic-info {
            font-size: 13px;
            font-weight: 500;
            line-height: 1.4;
            flex: 1;
        }
        .sidebar-cta-box {
            background: linear-gradient(145deg, #0F141E 0%, #161C28 100%);
            border: 1px solid rgba(0, 229, 160, 0.18);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
        }
        .sidebar-cta-box h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .sidebar-cta-box p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .sidebar-cta-box .btn-primary {
            width: 100%;
        }

        /* ===== FAQ 区域 ===== */
        .faq-section {
            padding: 50px 0 40px;
            border-top: 1px solid var(--border-color);
        }
        .faq-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-list {
            max-width: 820px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--accent-neon);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            position: relative;
            transition: transform var(--transition-smooth);
            color: var(--text-secondary);
        }
        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: currentColor;
            border-radius: 1px;
            transition: all var(--transition-smooth);
        }
        .faq-question .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .faq-question .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item.open .faq-question {
            color: var(--accent-neon);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 0 18px 0;
            font-size: 14px;
            color: #B0B3BE;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0A0C12;
            padding: 36px 0;
            border-top: 1px solid var(--border-color);
            text-align: center;
        }
        .footer-info {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 2;
        }
        .footer-row {
            margin-bottom: 4px;
        }
        .footer-row a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-row a:hover {
            color: var(--accent-neon);
        }
        .footer-divider {
            margin: 0 8px;
            color: var(--border-color);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
            .live-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
        }

        @media (max-width: 768px) {
            .main-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .sidebar {
                position: static;
                flex-direction: column;
                gap: 16px;
            }
            .live-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .nav-chips {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11, 14, 20, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 12px 16px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-nav);
                z-index: 999;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                justify-content: center;
                padding: 10px 16px;
                font-size: 15px;
            }
            .hamburger {
                display: flex;
            }
            .header-cta {
                margin-left: auto;
                margin-right: 12px;
            }
            .category-hero {
                min-height: 180px;
                padding: 28px 0 24px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-sort {
                margin-left: 0;
            }
            .live-card .card-body h3 {
                font-size: 14px;
            }
            .live-card .card-body {
                padding: 12px 14px;
            }
            .faq-section h2 {
                font-size: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 0;
            }
            .pagination {
                gap: 4px;
            }
            .page-btn {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .site-footer {
                padding: 28px 16px;
            }
        }

        @media (max-width: 520px) {
            .live-cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-hero {
                min-height: 160px;
                padding: 22px 0 18px;
            }
            .category-hero h1 {
                font-size: 21px;
            }
            .hero-stats {
                gap: 12px;
            }
            .filter-bar {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
                gap: 6px;
            }
            .filter-chip {
                flex-shrink: 0;
                font-size: 12px;
                padding: 5px 11px;
            }
            .filter-sort {
                flex-shrink: 0;
                font-size: 12px;
            }
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
            }
            .btn-primary {
                padding: 9px 15px;
                font-size: 12px;
            }
            .sidebar-card {
                padding: 14px;
            }
            .sidebar-cta-box {
                padding: 16px 14px;
            }
            .faq-section {
                padding: 32px 0 24px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-deep: #0B0E14;
            --bg-surface: #131720;
            --bg-surface-hover: #181D28;
            --bg-card: #131720;
            --accent-neon: #00E5A0;
            --accent-neon-dark: #00C896;
            --accent-purple: #8B5CF6;
            --accent-orange: #F97316;
            --text-primary: #E2E4E9;
            --text-secondary: #8B8FA3;
            --text-muted: #6B6F7A;
            --border-default: #1E2430;
            --border-hover: #00E5A0;
            --success-green: #22C55E;
            --danger-red: #EF4444;
            --gold: #F97316;
            --silver: #8B8FA3;
            --bronze: #CD853F;
            --radius-xs: 3px;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 10px;
            --radius-2xl: 12px;
            --radius-3xl: 16px;
            --radius-full: 20px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            --shadow-card-hover: 0 4px 20px rgba(0, 229, 160, 0.12), 0 0 0 1px rgba(0, 229, 160, 0.2);
            --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-btn-hover: 0 2px 12px rgba(0, 229, 160, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
            --nav-height: 64px;
            --container-max: 1280px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-gap-sm: 16px;
            --card-gap-lg: 24px;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--accent-neon);
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            font-size: inherit;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-neon);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .live-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--success-green);
            animation: pulse-dot 2s infinite;
            margin-right: 4px;
            vertical-align: middle;
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 20, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-default);
            height: var(--nav-height);
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--text-primary);
        }

        .header-logo:hover {
            color: var(--accent-neon);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-neon), #00C896);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #0B0E14;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            color: var(--text-primary);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-chip {
            display: inline-block;
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-default);
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
        }

        .nav-chip:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }

        .nav-chip.active {
            background: var(--accent-neon);
            color: #0B0E14;
            border-color: var(--accent-neon);
            font-weight: 600;
        }

        .header-cta {
            flex-shrink: 0;
            margin-left: 8px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 22px;
            border-radius: var(--radius-lg);
            font-size: 14px;
            font-weight: 600;
            color: #0B0E14;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-neon-dark));
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #0B0E14;
        }

        .btn-primary:active {
            filter: brightness(0.95);
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: var(--radius-lg);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-neon);
            background: transparent;
            border: 1px solid var(--accent-neon);
            cursor: pointer;
            transition: all var(--transition-normal);
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            box-shadow: var(--shadow-btn-hover);
            color: var(--accent-neon);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .hamburger-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger-btn.open .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger-btn.open .hamburger-line:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-chips {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11, 14, 20, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                border-bottom: 1px solid var(--border-default);
                box-shadow: var(--shadow-nav);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 999;
            }
            .nav-chips.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-chip {
                text-align: center;
                padding: 12px 16px;
                font-size: 14px;
                width: 100%;
                border-radius: var(--radius-lg);
            }
            .header-cta {
                display: none;
            }
            .header-cta-mobile {
                display: block;
                padding: 8px 0;
                text-align: center;
                margin-top: 4px;
            }
            .header-cta-mobile .btn-primary {
                width: 100%;
                padding: 13px 24px;
                font-size: 15px;
                border-radius: var(--radius-lg);
            }
        }

        @media (min-width: 769px) {
            .header-cta-mobile {
                display: none;
            }
        }

        @media (max-width: 480px) {
            .header-inner {
                padding: 0 12px;
                gap: 10px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            :root {
                --nav-height: 56px;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            padding: 14px 0;
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-neon);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 10px;
        }
        .breadcrumb .current {
            color: var(--accent-neon);
            font-weight: 500;
        }

        /* ========== 分类 Hero ========== */
        .category-hero {
            background: linear-gradient(165deg, #0B0E14 0%, #131720 35%, #0B1420 65%, #0F1119 100%);
            position: relative;
            overflow: hidden;
            padding: 48px 0 44px;
            min-height: 240px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-default);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(ellipse, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 .highlight {
            color: var(--accent-neon);
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 620px;
            margin-bottom: 8px;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 14px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .hero-stat-item .stat-num {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-neon);
        }
        .hero-stat-item .stat-label {
            font-size: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 32px 0 30px;
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .hero-stat-item .stat-num {
                font-size: 18px;
            }
        }
        @media (max-width: 480px) {
            .category-hero {
                min-height: 180px;
                padding: 24px 0 22px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
        }

        /* ========== 主内容区布局 ========== */
        .main-content {
            padding: var(--section-gap) 0;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .content-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .main-content {
                padding: var(--section-gap-mobile) 0;
            }
        }

        /* ========== 筛选栏 ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            padding-bottom: 18px;
            border-bottom: 1px solid var(--border-default);
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
            margin-right: 4px;
        }
        .filter-chip {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-default);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            background: rgba(0, 229, 160, 0.06);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .filter-chip.active-filter {
            background: var(--accent-neon);
            color: #0B0E14;
            border-color: var(--accent-neon);
            font-weight: 600;
        }
        .filter-sort {
            margin-left: auto;
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-sort:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
        }
        @media (max-width: 480px) {
            .filter-bar {
                gap: 6px;
            }
            .filter-chip {
                padding: 5px 10px;
                font-size: 11px;
            }
            .filter-sort {
                margin-left: 0;
                margin-top: 4px;
            }
        }

        /* ========== 产品卡片网格 ========== */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap-lg);
        }
        @media (max-width: 1024px) {
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--card-gap-sm);
            }
        }
        @media (max-width: 480px) {
            .products-grid {
                grid-template-columns: 1fr;
                gap: var(--card-gap-sm);
            }
        }

        .product-card {
            background: var(--bg-card);
            border-radius: var(--radius-2xl);
            border: 1px solid var(--border-default);
            overflow: hidden;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 229, 160, 0.35);
        }
        .product-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--border-default);
        }
        .product-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .product-card:hover .product-card-img-wrap img {
            transform: scale(1.04);
        }
        .product-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 3px 10px;
            border-radius: var(--radius-xs);
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            z-index: 1;
        }
        .badge-hot {
            background: var(--accent-orange);
        }
        .badge-new {
            background: var(--accent-neon);
            color: #0B0E14;
        }
        .badge-rec {
            background: var(--accent-purple);
        }
        .product-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .product-card:hover .product-card-body h3 {
            color: var(--accent-neon);
        }
        .product-card-body .product-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 10px;
            flex: 1;
        }
        .product-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .product-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 11px;
            font-weight: 500;
            background: rgba(139, 92, 246, 0.1);
            color: var(--accent-purple);
            border: 1px solid rgba(139, 92, 246, 0.2);
        }
        .product-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            border-top: 1px solid var(--border-default);
        }
        .product-rating {
            display: flex;
            align-items: center;
            gap: 3px;
            font-size: 12px;
            color: var(--accent-orange);
        }
        .product-rating .stars {
            color: #F59E0B;
            letter-spacing: 1px;
        }
        .product-rating .rating-num {
            color: var(--text-secondary);
            font-size: 11px;
        }
        .product-link {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-neon);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .product-link:hover {
            color: #fff;
        }
        .product-link .arrow {
            transition: transform var(--transition-fast);
        }
        .product-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }
        @media (max-width: 768px) {
            .sidebar {
                position: static;
            }
        }

        .sidebar-card {
            background: var(--bg-surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-default);
            padding: 20px;
        }
        .sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sidebar-card h4 .icon-fire {
            color: var(--accent-orange);
            font-size: 16px;
        }
        .sidebar-mini-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-mini-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .sidebar-mini-item:hover {
            background: var(--bg-surface-hover);
        }
        .mini-rank {
            font-family: var(--font-mono);
            font-size: 15px;
            font-weight: 700;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }
        .mini-rank.r1 {
            color: var(--gold);
        }
        .mini-rank.r2 {
            color: var(--silver);
        }
        .mini-rank.r3 {
            color: var(--bronze);
        }
        .mini-rank.r4,
        .mini-rank.r5 {
            color: var(--text-muted);
        }
        .mini-info {
            flex: 1;
            min-width: 0;
        }
        .mini-name {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .mini-meta {
            font-size: 11px;
            color: var(--text-muted);
        }
        .mini-value {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-neon);
            flex-shrink: 0;
        }
        .sidebar-cta-mini {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.08), rgba(139, 92, 246, 0.06));
            border-radius: var(--radius-lg);
            padding: 18px 16px;
            text-align: center;
            border: 1px solid rgba(0, 229, 160, 0.15);
        }
        .sidebar-cta-mini p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .sidebar-cta-mini .btn-primary {
            width: 100%;
            font-size: 13px;
            padding: 10px 18px;
        }
        .sidebar-topic-entry {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;

            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            margin-bottom: 6px;
        }
        .sidebar-topic-entry:hover {
            background: var(--bg-surface-hover);
        }
        .sidebar-topic-entry img {
            width: 48px;
            height: 36px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-topic-entry .topic-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-topic-entry .topic-title {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .sidebar-topic-entry .topic-tag {
            font-size: 10px;
            color: var(--accent-purple);
        }

        /* ========== FAQ 区域 ========== */
        .faq-section {
            padding: var(--section-gap) 0;
            border-top: 1px solid var(--border-default);
        }
        .faq-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            text-align: center;
            letter-spacing: 0.5px;
        }
        .faq-section h2 .icon-faq {
            color: var(--accent-neon);
            margin-right: 6px;
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-default);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 4px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--accent-neon);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1px solid var(--border-default);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-normal);
        }
        .faq-item.open .faq-question {
            color: var(--accent-neon);
        }
        .faq-item.open .faq-icon {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 4px 18px;
            font-size: 14px;
            color: #B0B3BE;
            line-height: 1.7;
        }
        @media (max-width: 480px) {
            .faq-section h2 {
                font-size: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 2px;
            }
            .faq-answer-inner {
                font-size: 13px;
                padding: 0 2px 14px;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0A0C12;
            padding: 40px 0;
            border-top: 1px solid var(--border-default);
        }
        .footer-info {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 2;
        }
        .footer-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .footer-divider {
            color: #3A3D46;
            margin: 0 6px;
        }
        .site-footer a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-footer a:hover {
            color: var(--accent-neon);
        }
        @media (max-width: 480px) {
            .site-footer {
                padding: 28px 0;
            }
            .footer-info {
                font-size: 11px;
                line-height: 1.8;
            }
            .footer-row {
                gap: 2px;
            }
            .footer-divider {
                margin: 0 3px;
            }
        }

        /* ========== 分页器 ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--border-default);
        }
        .pagination .page-num {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-default);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .pagination .page-num:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
        }
        .pagination .page-num.active-page {
            background: var(--accent-neon);
            color: #0B0E14;
            border-color: var(--accent-neon);
            font-weight: 600;
        }
        .pagination .page-arrow {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            background: transparent;
            border: 1px solid var(--border-default);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .pagination .page-arrow:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
        }

/* roulang page: category5 */
:root {
            --bg-deep: #0B0E14;
            --bg-surface: #131720;
            --bg-surface-hover: #181D28;
            --accent-neon: #00E5A0;
            --accent-neon-dark: #00C896;
            --accent-purple: #8B5CF6;
            --accent-orange: #F97316;
            --text-primary: #E2E4E9;
            --text-secondary: #8B8FA3;
            --text-muted: #6B6F7A;
            --border-color: #1E2430;
            --border-hover: #00E5A0;
            --green: #22C55E;
            --red: #EF4444;
            --gold: #F97316;
            --silver: #8B8FA3;
            --bronze: #CD853F;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-chip: 20px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            --shadow-card-hover: 0 4px 20px rgba(0, 229, 160, 0.12), 0 0 0 1px rgba(0, 229, 160, 0.2);
            --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-btn-hover: 0 4px 20px rgba(0, 229, 160, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
            --nav-height: 64px;
            --container-max: 1280px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-gap-sm: 16px;
            --card-gap-lg: 24px;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.3s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--accent-neon);
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        input {
            color: var(--text-primary);
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.35;
                transform: scale(1.25);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--green);
            animation: pulse-dot 2s infinite;
            margin-right: 6px;
            vertical-align: middle;
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 14, 20, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--text-primary);
        }
        .logo-link:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            color: var(--text-primary);
        }
        .logo-text .logo-highlight {
            color: var(--accent-neon);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 5px;
            flex-wrap: nowrap;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 17px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
        }
        .nav-chip:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .nav-chip.active {
            background: var(--accent-neon);
            color: var(--bg-deep);
            border-color: var(--accent-neon);
            font-weight: 600;
        }

        .header-cta {
            flex-shrink: 0;
            margin-left: 8px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            background: linear-gradient(135deg, #00E5A0 0%, #00C896 100%);
            color: #0B0E14;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #0B0E14;
        }
        .btn-primary:active {
            filter: brightness(0.95);
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-neon);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            background: transparent;
            color: var(--accent-neon);
            border: 1.5px solid var(--accent-neon);
            cursor: pointer;
            transition: all var(--transition-normal);
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent-neon);
            box-shadow: 0 2px 12px rgba(0, 229, 160, 0.2);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-neon);
            outline-offset: 3px;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            margin: 6px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 1024px) {
            .nav-chips {
                gap: 3px;
            }
            .nav-chip {
                padding: 6px 13px;
                font-size: 13px;
            }
            .header-cta .btn-primary {
                padding: 10px 18px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-chips {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11, 14, 20, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 12px 16px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-nav);
                transform: translateY(-120%);
                transition: transform var(--transition-slow);
                z-index: 999;
            }
            .nav-chips.open {
                transform: translateY(0);
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 15px;
                border-radius: var(--radius-md);
            }
            .header-cta {
                margin-left: auto;
            }
            .header-cta .btn-primary {
                padding: 9px 15px;
                font-size: 12px;
                border-radius: var(--radius-md);
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 14px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
            }
        }

        /* ============ CATEGORY HERO ============ */
        .category-hero {
            position: relative;
            min-height: 260px;
            display: flex;
            align-items: center;
            background: linear-gradient(165deg, #0B0E14 0%, #131720 30%, #0B1420 55%, #11161F 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding-top: 20px;
            padding-bottom: 20px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-neon);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--text-muted);
            user-select: none;
        }
        .breadcrumb .breadcrumb-current {
            color: var(--accent-neon);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            max-width: 700px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 600px;
        }
        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 6px;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .hero-stat-item .stat-num {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-neon);
        }
        .hero-stat-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--green);
            animation: pulse-dot 2s infinite;
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 220px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-item .stat-num {
                font-size: 16px;
            }
        }
        @media (max-width: 480px) {
            .category-hero {
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .hero-stats-row {
                gap: 10px;
            }
        }

        /* ============ MAIN CONTENT LAYOUT ============ */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            padding: 40px 0 var(--section-gap);
        }

        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .content-layout {
                grid-template-columns: 1fr;
                gap: 36px;
                padding: 28px 0 var(--section-gap-mobile);
            }
        }

        /* ============ FILTER BAR ============ */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .filter-chips {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .filter-chip {
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            user-select: none;
        }
        .filter-chip:hover {
            background: rgba(0, 229, 160, 0.06);
            color: var(--accent-neon);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .filter-chip.active {
            background: var(--accent-neon);
            color: var(--bg-deep);
            border-color: var(--accent-neon);
            font-weight: 600;
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .filter-sort select {
            background: var(--bg-surface);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 7px 28px 7px 10px;
            font-size: 13px;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%238B8FA3' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 8px center;
            background-size: 14px;
            transition: border-color var(--transition-fast);
        }
        .filter-sort select:focus {
            border-color: var(--accent-neon);
        }
        .filter-sort select:hover {
            border-color: var(--text-secondary);
        }

        @media (max-width: 480px) {
            .filter-chips {
                gap: 4px;
            }
            .filter-chip {
                padding: 5px 10px;
                font-size: 12px;
            }
            .filter-bar {
                gap: 8px;
            }
        }

        /* ============ POST LIST ============ */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .post-card {
            display: flex;
            gap: 14px;
            padding: 16px 18px;
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            cursor: pointer;
            position: relative;
            animation: fadeInUp 0.4s ease forwards;
            opacity: 0;
        }
        .post-card:nth-child(1) {
            animation-delay: 0.05s;
        }
        .post-card:nth-child(2) {
            animation-delay: 0.1s;
        }
        .post-card:nth-child(3) {
            animation-delay: 0.15s;
        }
        .post-card:nth-child(4) {
            animation-delay: 0.2s;
        }
        .post-card:nth-child(5) {
            animation-delay: 0.25s;
        }
        .post-card:nth-child(6) {
            animation-delay: 0.3s;
        }
        .post-card:nth-child(7) {
            animation-delay: 0.35s;
        }
        .post-card:nth-child(8) {
            animation-delay: 0.4s;
        }
        .post-card:nth-child(9) {
            animation-delay: 0.45s;
        }
        .post-card:nth-child(10) {
            animation-delay: 0.5s;
        }
        .post-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-surface-hover);
            transform: translateY(-2px);
        }
        .post-card.pinned {
            border-left: 3px solid var(--accent-orange);
        }
        .post-card.featured {
            border-left: 3px solid var(--accent-purple);
        }
        .post-avatar {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: #fff;
            user-select: none;
            letter-spacing: 0;
        }
        .avatar-c1 {
            background: linear-gradient(135deg, #F97316, #E85D04);
        }
        .avatar-c2 {
            background: linear-gradient(135deg, #8B5CF6, #6D28D9);
        }
        .avatar-c3 {
            background: linear-gradient(135deg, #00C896, #059669);
        }
        .avatar-c4 {
            background: linear-gradient(135deg, #3B82F6, #1D4ED8);
        }
        .avatar-c5 {
            background: linear-gradient(135deg, #EC4899, #BE185D);
        }
        .avatar-c6 {
            background: linear-gradient(135deg, #14B8A6, #0D9488);
        }
        .avatar-c7 {
            background: linear-gradient(135deg, #F59E0B, #D97706);
        }
        .avatar-c8 {
            background: linear-gradient(135deg, #6366F1, #4338CA);
        }
        .post-main {
            flex: 1;
            min-width: 0;
        }
        .post-title-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .post-badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 3px;
            font-size: 11px;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.3px;
            flex-shrink: 0;
        }
        .badge-pin {
            background: var(--accent-orange);
            color: #fff;
        }
        .badge-featured {
            background: var(--accent-purple);
            color: #fff;
        }
        .badge-hot {
            background: #EF4444;
            color: #fff;
        }
        .badge-new {
            background: var(--accent-neon);
            color: #0B0E14;
        }
        .post-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            display: inline;
        }
        .post-card:hover .post-title {
            color: var(--accent-neon);
        }
        .post-excerpt {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .post-meta-item {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .post-tags {
            display: flex;
            gap: 5px;
            flex-wrap: wrap;
        }
        .post-tag {
            padding: 3px 9px;
            border-radius: var(--radius-chip);
            font-size: 11px;
            background: rgba(139, 92, 246, 0.12);
            color: var(--accent-purple);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .post-tag:hover {
            background: rgba(139, 92, 246, 0.25);
            color: #A78BFA;
        }
        .post-stats {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }
        .post-stat {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            min-width: 44px;
        }
        .post-stat .stat-val {
            font-family: var(--font-mono);
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .post-stat .stat-label {
            font-size: 10px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.4px;
        }
        .post-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 68px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            object-fit: cover;
            background: var(--border-color);
            align-self: center;
        }

        @media (max-width: 768px) {
            .post-card {
                padding: 14px;
                gap: 10px;
            }
            .post-avatar {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
            .post-thumb {
                width: 72px;
                height: 50px;
            }
            .post-title {
                font-size: 14px;
            }
            .post-stats {
                gap: 6px;
            }
            .post-stat .stat-val {
                font-size: 13px;
            }
            .post-stat {
                min-width: 34px;
            }
        }
        @media (max-width: 480px) {
            .post-thumb {
                display: none;
            }
            .post-stats {
                flex-direction: row;
                gap: 8px;
            }
            .post-stat {
                flex-direction: row;
                gap: 3px;
                min-width: auto;
            }
            .post-card {
                flex-wrap: wrap;
            }
        }

        /* ============ SIDEBAR ============ */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .sidebar-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px;
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
            letter-spacing: 0.3px;
        }
        .sidebar-hot-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-hot-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            padding: 6px 0;
            border-bottom: 1px solid rgba(30, 36, 48, 0.5);
            cursor: pointer;
        }
        .sidebar-hot-item:last-child {
            border-bottom: none;
        }
        .sidebar-hot-item:hover {
            color: var(--accent-neon);
        }
        .hot-rank {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 14px;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }
        .hot-rank.r1 {
            color: var(--gold);
        }
        .hot-rank.r2 {
            color: var(--silver);
        }
        .hot-rank.r3 {
            color: var(--bronze);
        }
        .hot-rank.r4,
        .hot-rank.r5 {
            color: var(--text-muted);
        }
        .hot-title {
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-weight: 500;
        }
        .hot-val {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .sidebar-topic-card {
            display: block;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-deep);
            border: 1px solid var(--border-color);
            transition: all var(--transition-normal);
            text-decoration: none;
            margin-bottom: 10px;
        }
        .sidebar-topic-card:last-child {
            margin-bottom: 0;
        }
        .sidebar-topic-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .sidebar-topic-img {
            width: 100%;
            height: 100px;
            object-fit: cover;
            display: block;
            background: var(--border-color);
        }
        .sidebar-topic-info {
            padding: 10px 12px;
        }
        .sidebar-topic-info h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 3px;
            line-height: 1.3;
        }
        .sidebar-topic-info span {
            font-size: 11px;
            color: var(--text-muted);
        }

        .sidebar-cta-mini {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.08) 0%, rgba(139, 92, 246, 0.06) 100%);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
        }
        .sidebar-cta-mini h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 5px;
            border: none;
            padding: 0;
        }
        .sidebar-cta-mini p {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .sidebar-cta-mini .btn-primary {
            width: 100%;
            padding: 10px 18px;
            font-size: 13px;
            border-radius: var(--radius-md);
        }

        @media (max-width: 768px) {
            .sidebar {
                gap: 16px;
            }
            .sidebar-card {
                padding: 16px;
            }
        }

        /* ============ PAGINATION ============ */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
            text-decoration: none;
        }
        .page-btn:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
            background: rgba(0, 229, 160, 0.04);
        }
        .page-btn.active {
            background: var(--accent-neon);
            color: var(--bg-deep);
            border-color: var(--accent-neon);
            font-weight: 700;
        }
        .page-btn.disabled {
            opacity: 0.35;
            pointer-events: none;
            cursor: default;
        }

        /* ============ FAQ SECTION ============ */
        .section-faq {
            padding: var(--section-gap) 0;
            border-top: 1px solid var(--border-color);
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            letter-spacing: 0.4px;
            text-align: center;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 4px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
            gap: 12px;
            letter-spacing: 0.2px;
        }
        .faq-question:hover {
            color: var(--accent-neon);
        }
        .faq-question.open {
            color: var(--accent-neon);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-secondary);
            transition: transform var(--transition-normal);
            font-weight: 300;
        }
        .faq-question.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-neon);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-answer.open {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 4px 18px;
            font-size: 14px;
            color: #B0B3BE;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-faq {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 2px;
            }
            .faq-answer-inner {
                font-size: 13px;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0A0C12;
            border-top: 1px solid var(--border-color);
            padding: 36px 0;
            text-align: center;
        }
        .footer-info {
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 13px;
            color: #6B6F7A;
            line-height: 1.8;
        }
        .footer-row {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 4px;
        }
        .footer-divider {
            color: #3A3E48;
            margin: 0 6px;
            user-select: none;
        }
        .site-footer a {
            color: #8B8FA3;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-footer a:hover {
            color: var(--accent-neon);
        }
        @media (max-width: 480px) {
            .site-footer {
                padding: 24px 0;
            }
            .footer-info {
                font-size: 11px;
                gap: 6px;
            }
            .footer-row {
                gap: 2px;
            }
            .footer-divider {
                margin: 0 3px;
            }
        }