/* roulang page: index */
:root {
            --bg-deep: #0A0E14;
            --bg-surface: #161B22;
            --bg-card: #161B22;
            --accent-cyan: #00F0FF;
            --accent-red: #FF3B5C;
            --accent-green: #2ECC71;
            --text-primary: #F0F3F5;
            --text-secondary: #8B939C;
            --text-muted: #5A636E;
            --border-subtle: #212A33;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.55);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --font-data: 'DIN Alternate', 'Rajdhani', 'Bebas Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Roboto', sans-serif;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            gap: 16px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s ease-in-out infinite;
            margin-left: 2px;
            vertical-align: middle;
            position: relative;
            top: -8px;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-green), 0 0 8px var(--accent-green);
                opacity: 1;
            }
            50% {
                box-shadow: 0 0 12px var(--accent-green), 0 0 22px var(--accent-green);
                opacity: 0.55;
            }
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 7px 14px;
            gap: 8px;
            transition: border-color var(--transition-fast);
        }
        .header-search:focus-within {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }
        .header-search input {
            background: transparent;
            color: var(--text-primary);
            font-size: 14px;
            width: 140px;
            min-width: 80px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search i {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .header-icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 15px;
        }
        .header-icon-btn:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.18);
        }

        /* 频道标签行 */
        .channel-nav-row {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 4px 0 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--border-subtle);
        }
        .channel-nav-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav-row a {
            display: inline-block;
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .channel-nav-row a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--accent-cyan);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
            border-radius: 2px;
        }
        .channel-nav-row a:hover {
            color: var(--text-primary);
        }
        .channel-nav-row a:hover::after {
            transform: scaleX(1);
        }
        .channel-nav-row a.active {
            color: var(--accent-cyan);
            font-weight: 600;
        }
        .channel-nav-row a.active::after {
            transform: scaleX(1);
        }

        /* 移动端汉堡菜单 */
        .hamburger-btn {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 18px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .channel-nav-row {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 14, 20, 0.96);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-subtle);
                padding: 8px 16px 16px;
                gap: 2px;
                z-index: 999;
            }
            .channel-nav-row.open {
                display: flex;
            }
            .channel-nav-row a {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 15px;
            }
            .channel-nav-row a::after {
                display: none;
            }
            .header-search input {
                width: 80px;
            }
            .logo-text {
                font-size: 20px;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 72px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.015em;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 24px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: 40px 0 56px;
            background: linear-gradient(180deg, rgba(0, 240, 255, 0.03) 0%, transparent 60%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 24px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .hero-main-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(10, 14, 20, 0.75);
        }
        .hero-live-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 59, 92, 0.18);
            border: 1px solid rgba(255, 59, 92, 0.4);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-red);
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .hero-live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-red);
            animation: pulse-dot-red 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot-red {
            0%,
            100% {
                box-shadow: 0 0 3px var(--accent-red), 0 0 7px var(--accent-red);
                opacity: 1;
            }
            50% {
                box-shadow: 0 0 10px var(--accent-red), 0 0 20px var(--accent-red);
                opacity: 0.4;
            }
        }
        .hero-match-teams {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-team-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }
        .hero-score {
            font-family: var(--font-data);
            font-size: 92px;
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1;
            letter-spacing: 2px;
            text-shadow: 0 0 40px rgba(0, 240, 255, 0.35);
        }
        @media (max-width: 768px) {
            .hero-score {
                font-size: 56px;
            }
            .hero-team-name {
                font-size: 17px;
            }
            .hero-main-card {
                padding: 24px 16px;
                min-height: 260px;
            }
        }
        .hero-match-info {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }
        .hero-progress-bar {
            width: 100%;
            max-width: 280px;
            height: 3px;
            background: var(--border-subtle);
            border-radius: 2px;
            margin-top: 14px;
            position: relative;
        }
        .hero-progress-fill {
            height: 100%;
            background: var(--accent-cyan);
            border-radius: 2px;
            width: 62%;
            position: relative;
        }
        .hero-progress-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translate(50%, -50%);
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 12px var(--accent-cyan);
        }

        /* 右侧快讯 */
        .hero-news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            height: 100%;
            min-height: 340px;
        }
        .hero-news-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-fast);
            cursor: pointer;
        }
        .hero-news-item:last-child {
            border-bottom: none;
        }
        .hero-news-item:hover {
            background: rgba(0, 240, 255, 0.04);
        }
        .hero-news-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-cyan);
            flex-shrink: 0;
            margin-top: 6px;
            animation: pulse-dot-cyan 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot-cyan {
            0%,
            100% {
                box-shadow: 0 0 3px var(--accent-cyan), 0 0 7px var(--accent-cyan);
                opacity: 1;
            }
            50% {
                box-shadow: 0 0 10px var(--accent-cyan), 0 0 18px var(--accent-cyan);
                opacity: 0.5;
            }
        }
        .hero-news-content {
            flex: 1;
            min-width: 0;
        }
        .hero-news-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
        }
        .hero-news-time {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        /* ========== 数据概览网格 ========== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }
        @media (max-width: 1024px) {
            .data-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }
        }
        .data-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 16px;
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .data-card:hover {
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .data-card-label {
            font-size: 12px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
            font-weight: 500;
        }
        .data-card-value {
            font-family: var(--font-data);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            line-height: 1.1;
        }
        .data-card-trend {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 5px;
        }
        .trend-up {
            color: var(--accent-green);
        }
        .trend-down {
            color: var(--accent-red);
        }
        .trend-neutral {
            color: var(--text-muted);
        }

        /* ========== 热榜 ========== */
        .hotlist-scroll {
            display: flex;
            gap: 14px;
            overflow-x: auto;
            padding-bottom: 10px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-subtle) transparent;
        }
        .hotlist-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .hotlist-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .hotlist-scroll::-webkit-scrollbar-thumb {
            background: var(--border-subtle);
            border-radius: 4px;
        }
        .hot-card {
            flex: 0 0 200px;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            scroll-snap-align: start;
            transition: all var(--transition-fast);
            cursor: pointer;
            min-width: 180px;
        }
        .hot-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .hot-card-rank {
            font-family: var(--font-data);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1;
            margin-bottom: 6px;
        }
        .hot-card-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .hot-card-bar {
            height: 4px;
            background: var(--border-subtle);
            border-radius: 2px;
            overflow: hidden;
        }
        .hot-card-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }

        /* ========== 资讯动态流 ========== */
        .news-flow {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .news-flow {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .news-featured {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-featured:hover {
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: var(--shadow-hover);
        }
        .news-featured-img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            display: block;
        }
        .news-featured-body {
            padding: 20px;
        }
        .news-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }
        .news-featured-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .news-featured-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .news-side-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
        }
        .news-side-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-fast);
            cursor: pointer;
        }
        .news-side-item:last-child {
            border-bottom: none;
        }
        .news-side-item:hover {
            background: rgba(0, 240, 255, 0.04);
        }
        .news-side-badge {
            display: inline-block;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 3px;
            letter-spacing: 0.04em;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .badge-new {
            background: var(--accent-cyan);
            color: #0A0E14;
        }
        .badge-hot {
            background: var(--accent-red);
            color: #fff;
        }
        .news-side-title {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.4;
            flex: 1;
            min-width: 0;
        }
        .news-side-time {
            font-size: 11px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== 专题推荐 ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .topics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .topic-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            padding: 24px;
            display: flex;
            gap: 20px;
            transition: all var(--transition-fast);
            cursor: pointer;
            align-items: flex-start;
        }
        .topic-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .topic-card-img {
            width: 100px;
            height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .topic-card-body {
            flex: 1;
            min-width: 0;
        }
        .topic-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 9px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
            background: rgba(255, 59, 92, 0.12);
            color: var(--accent-red);
        }
        .topic-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.3;
        }
        .topic-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== 服务工具 ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .tools-grid {
                grid-template-columns: 1fr;
            }
        }
        .tool-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tool-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .tool-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 22px;
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
        }
        .tool-card:hover .tool-card-icon {
            background: rgba(0, 240, 255, 0.2);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
        }
        .tool-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .tool-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== 用户评价 ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .reviews-grid {
                grid-template-columns: 1fr;
            }
        }
        .review-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition-fast);
        }
        .review-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }
        .review-stars {
            color: #f0c040;
            font-size: 13px;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .review-text {
            font-size: 14px;
            color: var(--text-primary);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .review-author {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }
        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: transparent;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            gap: 12px;
            letter-spacing: 0.01em;
        }
        .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            background: rgba(255, 59, 92, 0.18);
            color: var(--accent-red);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: rgba(0, 0, 0, 0.2);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== 生态标签 ========== */
        .eco-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .eco-tag {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 10px 18px;
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .eco-tag:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.15);
        }

        /* ========== 更新日志时间轴 ========== */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 700px;
        }
        .timeline-item {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-left: 2px solid var(--border-subtle);
            padding-left: 20px;
            position: relative;
            transition: border-color var(--transition-fast);
        }
        .timeline-item:hover {
            border-left-color: var(--accent-cyan);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -6px;
            top: 20px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--bg-surface);
            border: 2px solid var(--border-subtle);
            transition: border-color var(--transition-fast);
        }
        .timeline-item:hover::before {
            border-color: var(--accent-cyan);
            background: var(--accent-cyan);
        }
        .timeline-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            font-weight: 500;
            letter-spacing: 0.03em;
            min-width: 70px;
        }
        .timeline-content {
            font-size: 14px;
            color: var(--text-primary);
            line-height: 1.5;
        }

        /* ========== CTA 订阅 ========== */
        .cta-section {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.06);
            pointer-events: none;
        }
        .cta-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .cta-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: 8px;
            background: var(--bg-deep);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            font-size: 15px;
            transition: border-color var(--transition-fast);
        }
        .cta-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.2);
        }
        .cta-btn {
            padding: 13px 28px;
            border-radius: 8px;
            background: var(--accent-cyan);
            color: #0A0E14;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        .cta-btn:hover {
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.45);
            transform: translateY(-1px);
        }
        @media (max-width: 600px) {
            .cta-section {
                padding: 32px 20px;
            }
            .cta-title {
                font-size: 22px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #06090e;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 32px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.8;
            letter-spacing: 0.02em;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            margin: 0 6px;
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom .sep {
            color: var(--border-subtle);
            margin: 0 4px;
        }

        /* ========== 通用按钮样式 ========== */
        .btn-outline {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 6px;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            background: transparent;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.2);
            color: var(--accent-cyan);
        }
        .btn-solid {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 6px;
            background: var(--accent-cyan);
            color: #0A0E14;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-solid:hover {
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            transform: translateY(-1px);
            color: #0A0E14;
        }

        /* 分割线 */
        .divider {
            border: none;
            border-top: 1px solid var(--border-subtle);
            margin: 0;
        }

        /* 响应式 Hero 调整 */
        @media (max-width: 768px) {
            .hero-news-list {
                min-height: auto;
            }
            .hero-main-card {
                min-height: auto;
            }
            .data-grid {
                gap: 8px;
            }
            .data-card {
                padding: 12px 10px;
            }
            .data-card-value {
                font-size: 22px;
            }
            .tools-grid {
                gap: 10px;
            }
            .reviews-grid {
                gap: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0A0E14;
            --bg-surface: #161B22;
            --bg-surface-hover: #1C222B;
            --bg-card: #161B22;
            --accent-cyan: #00F0FF;
            --accent-cyan-glow: rgba(0, 240, 255, 0.35);
            --accent-cyan-dim: rgba(0, 240, 255, 0.12);
            --accent-red: #FF3B5C;
            --accent-red-glow: rgba(255, 59, 92, 0.4);
            --accent-green: #2ECC71;
            --accent-green-glow: rgba(46, 204, 113, 0.35);
            --text-primary: #F0F3F5;
            --text-secondary: #8B939C;
            --text-tertiary: #5A636E;
            --border-subtle: #212A33;
            --border-active: #00F0FF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.55);
            --shadow-glow-cyan: 0 0 18px rgba(0, 240, 255, 0.3);
            --font-title: "DIN Alternate", "Rajdhani", "Bebas Neue", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-body: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "Roboto Mono", "Consolas", monospace;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --container-max: 1260px;
            --nav-brand-height: 56px;
            --nav-channel-height: 44px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 3px;
        }
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }
        .logo-text span {
            color: var(--accent-cyan);
        }
        .online-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s ease-in-out infinite;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-green-glow);
                opacity: 1;
            }
            50% {
                box-shadow: 0 0 14px var(--accent-green-glow), 0 0 28px rgba(46, 204, 113, 0.25);
                opacity: 0.7;
            }
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .icon-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 17px;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
        }
        .brand-actions .icon-btn:hover {
            color: var(--accent-cyan);
            background: var(--accent-cyan-dim);
        }
        .channel-nav-row {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            height: var(--nav-channel-height);
            border-top: 1px solid var(--border-subtle);
            background: rgba(10, 14, 20, 0.7);
        }
        .channel-nav-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav-row a {
            display: flex;
            align-items: center;
            padding: 0 18px;
            height: 100%;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast);
            border-bottom: 3px solid transparent;
            letter-spacing: 0.3px;
        }
        .channel-nav-row a:hover {
            color: var(--text-primary);
        }
        .channel-nav-row a.active {
            color: var(--accent-cyan);
            border-bottom-color: var(--accent-cyan);
            font-weight: 600;
        }
        .channel-nav-row a.active::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 2px 2px 0 0;
            box-shadow: 0 0 10px var(--accent-cyan-glow);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-toggle:hover {
            color: var(--accent-cyan);
        }

        /* ========== MAIN CONTENT ========== */
        main {
            flex: 1;
        }
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.8px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 8px;
            display: block;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 680px;
        }

        /* ========== HERO DATA PANEL ========== */
        .hero-data-panel {
            padding: 32px 0 48px;
        }
        .hero-data-panel .container {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .page-h1 {
            font-family: var(--font-title);
            font-size: 38px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            letter-spacing: -0.4px;
        }
        .page-h1 span {
            color: var(--accent-cyan);
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }
        .filter-group-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-tertiary);
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .filter-tag {
            padding: 7px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--accent-cyan);
            color: var(--text-primary);
            background: var(--accent-cyan-dim);
        }
        .filter-tag.active {
            background: var(--accent-cyan);
            color: #0A0E14;
            border-color: var(--accent-cyan);
            font-weight: 600;
            box-shadow: var(--shadow-glow-cyan);
        }
        .filter-select {
            padding: 7px 32px 7px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238B939C' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'%3E%3C/path%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            transition: all var(--transition-fast);
            min-width: 110px;
        }
        .filter-select:hover,
        .filter-select:focus {
            border-color: var(--accent-cyan);
            color: var(--text-primary);
        }
        .filter-divider {
            width: 1px;
            height: 24px;
            background: var(--border-subtle);
            margin: 0 4px;
        }
        .live-indicator {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-red);
            margin-left: auto;
            white-space: nowrap;
        }
        .live-pulse {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--accent-red);
            animation: pulse-live 1.2s ease-in-out infinite;
        }
        @keyframes pulse-live {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-red-glow);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 0 16px var(--accent-red-glow), 0 0 30px rgba(255, 59, 92, 0.5);
                transform: scale(1.3);
            }
        }

        /* ========== DATA TABLE ========== */
        .data-table-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            background: var(--bg-surface);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 820px;
            font-size: 14px;
        }
        .data-table thead th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            color: var(--text-tertiary);
            background: rgba(22, 27, 34, 0.8);
            border-bottom: 1px solid var(--border-subtle);
            white-space: nowrap;
        }
        .data-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid rgba(33, 42, 51, 0.5);
            vertical-align: middle;
            white-space: nowrap;
        }
        .data-table tbody tr {
            transition: background var(--transition-fast);
        }
        .data-table tbody tr:hover {
            background: var(--bg-surface-hover);
        }
        .data-table tbody tr:last-child td {
            border-bottom: none;
        }
        .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            color: var(--text-primary);
        }
        .team-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--border-subtle);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0;
        }
        .score-cell {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 2px;
        }
        .score-cell.pending {
            color: var(--text-tertiary);
        }
        .status-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.4px;
            text-transform: uppercase;
        }
        .status-badge.live {
            background: rgba(255, 59, 92, 0.18);
            color: var(--accent-red);
            animation: pulse-live-text 1.5s ease-in-out infinite;
        }
        @keyframes pulse-live-text {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .status-badge.done {
            background: rgba(139, 147, 156, 0.15);
            color: var(--text-tertiary);
        }
        .status-badge.upcoming {
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
        }
        .data-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--accent-cyan);
            font-weight: 500;
            font-size: 13px;
            padding: 5px 10px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .data-link:hover {
            border-color: var(--accent-cyan);
            background: var(--accent-cyan-dim);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.2);
        }
        .data-link .arrow-icon {
            font-size: 10px;
            transition: transform var(--transition-fast);
        }
        .data-link:hover .arrow-icon {
            transform: translateX(3px);
        }
        .trend-up {
            color: var(--accent-green);
            font-weight: 600;
            font-size: 12px;
        }
        .trend-down {
            color: var(--accent-red);
            font-weight: 600;
            font-size: 12px;
        }

        /* ========== TREND CHART SECTION ========== */
        .trend-section {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            padding: 28px 24px;
        }
        .trend-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }
        .trend-title {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: -0.2px;
        }
        .trend-legend {
            display: flex;
            gap: 16px;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .trend-legend span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .legend-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .legend-dot.cyan {
            background: var(--accent-cyan);
        }
        .legend-dot.green {
            background: var(--accent-green);
        }
        .legend-dot.red {
            background: var(--accent-red);
        }
        .chart-placeholder {
            width: 100%;
            height: 220px;
            background: rgba(10, 14, 20, 0.6);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .chart-placeholder svg {
            width: 100%;
            height: 100%;
        }
        .chart-insight {
            margin-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .insight-item {
            flex: 1;
            min-width: 140px;
            padding: 14px 16px;
            background: rgba(10, 14, 20, 0.5);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
        }
        .insight-value {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-cyan);
        }
        .insight-label {
            font-size: 12px;
            color: var(--text-tertiary);
            margin-top: 2px;
        }

        /* ========== SCHEDULE CARDS ========== */
        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 16px;
        }
        .schedule-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .schedule-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .schedule-card-img {
            height: 120px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .schedule-card-img .overlay-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.7);
            color: var(--accent-cyan);
            letter-spacing: 0.5px;
        }
        .schedule-card-body {
            padding: 14px 16px;
        }
        .schedule-card-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .schedule-card-meta {
            font-size: 12px;
            color: var(--text-tertiary);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .schedule-card-meta .dot-sep {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--text-tertiary);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item.active {
            border-color: var(--accent-cyan);
        }
        .faq-question {
            width: 100%;
            padding: 16px 20px;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            letter-spacing: 0.2px;
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            background: var(--border-subtle);
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .faq-item.active .faq-icon {
            background: var(--accent-red);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 240px;
            padding: 0 20px 18px;
        }
        .faq-answer-inner {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-top: 4px;
            border-top: 1px solid var(--border-subtle);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #0D1520 0%, #111A26 50%, #0D1520 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 56px 0;
            text-align: center;
        }
        .cta-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .cta-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 440px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: 25px;
            background: rgba(22, 27, 34, 0.8);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .cta-input::placeholder {
            color: var(--text-tertiary);
        }
        .cta-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
        }
        .cta-btn {
            padding: 13px 28px;
            border-radius: 25px;
            background: var(--accent-cyan);
            color: #0A0E14;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.6px;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }
        .cta-btn:hover {
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.45);
            transform: translateY(-1px);
        }
        .cta-btn:active {
            transform: scale(0.97);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #060A10;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 28px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-tertiary);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 12px;
            color: var(--text-tertiary);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--text-tertiary);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border-subtle);
            user-select: none;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 18px;
            }
            .page-h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 26px;
            }
            .filter-bar {
                gap: 8px;
                padding: 10px 14px;
            }
            .filter-tag {
                padding: 5px 10px;
                font-size: 12px;
            }
            .data-table {
                min-width: 700px;
                font-size: 13px;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 10px 12px;
            }
            .schedule-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 12px;
            }
            .chart-placeholder {
                height: 180px;
            }
            .trend-section {
                padding: 20px 16px;
            }
        }
        @media (max-width: 768px) {
            .brand-row {
                padding: 0 14px;
            }
            .logo-text {
                font-size: 19px;
            }
            .channel-nav-row {
                gap: 0;
                padding: 0 10px;
                overflow-x: auto;
                justify-content: flex-start;
            }
            .channel-nav-row a {
                padding: 0 12px;
                font-size: 12px;
            }
            .page-h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .filter-divider {
                display: none;
            }
            .live-indicator {
                margin-left: 0;
                justify-content: flex-end;
            }
            .data-table-wrapper {
                border-radius: var(--radius-md);
            }
            .data-table {
                min-width: 600px;
                font-size: 12px;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 8px 10px;
            }
            .score-cell {
                font-size: 15px;
            }
            .schedule-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .schedule-card-img {
                height: 100px;
            }
            .chart-placeholder {
                height: 150px;
            }
            .insight-item {
                min-width: 100px;
                padding: 10px 12px;
            }
            .insight-value {
                font-size: 18px;
            }
            .cta-title {
                font-size: 22px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-input {
                min-width: auto;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .hero-data-panel {
                padding: 20px 0 32px;
            }
            .section {
                padding: 40px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .brand-row {
                padding: 0 10px;
                height: 48px;
            }
            .logo-text {
                font-size: 17px;
            }
            .brand-actions {
                gap: 8px;
            }
            .brand-actions .icon-btn {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .page-h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .filter-tag {
                padding: 4px 8px;
                font-size: 11px;
            }
            .data-table {
                min-width: 500px;
                font-size: 11px;
            }
            .score-cell {
                font-size: 13px;
            }
            .chart-placeholder {
                height: 130px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-bottom {
                font-size: 11px;
            }
            .cta-btn {
                padding: 12px 20px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0A0E14;
            --bg-surface: #161B22;
            --bg-surface-hover: #1C2129;
            --bg-card: #11161D;
            --accent-cyan: #00F0FF;
            --accent-red: #FF3B5C;
            --accent-green: #2ECC71;
            --accent-amber: #F59E0B;
            --text-primary: #F0F3F5;
            --text-secondary: #8B939C;
            --text-tertiary: #5A636E;
            --border-subtle: #212A33;
            --border-hover: #2A3340;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 240, 255, 0.25);
            --shadow-glow-cyan: 0 0 18px rgba(0, 240, 255, 0.35);
            --shadow-glow-red: 0 0 14px rgba(255, 59, 92, 0.3);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Inter', 'SF Mono', 'Roboto Mono', monospace;
            --container-max: 1280px;
            --container-padding: 24px;
            --section-gap: 80px;
        }

        *,
        *::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);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            font-size: 16px;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
        }

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

        /* ===== HEADER ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            gap: 20px;
        }
        .brand-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            font-family: var(--font-sans);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent-cyan);
        }
        .brand-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2.2s ease-in-out infinite;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.6);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(46, 204, 113, 0);
            }
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .header-search {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 7px 14px;
            font-size: 13px;
            color: var(--text-primary);
            width: 180px;
            transition: all var(--transition-fast);
        }
        .header-search:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.08);
            width: 220px;
        }
        .header-search::placeholder {
            color: var(--text-tertiary);
        }
        .header-icon-btn {
            background: none;
            color: var(--text-secondary);
            font-size: 18px;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
        }
        .header-icon-btn:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }

        /* Channel Nav */
        .channel-nav-row {
            display: flex;
            gap: 2px;
            overflow-x: auto;
            padding: 0 var(--container-padding);
            border-top: 1px solid var(--border-subtle);
            background: rgba(13, 18, 26, 0.7);
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav-row a {
            display: inline-flex;
            align-items: center;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.3px;
        }
        .channel-nav-row a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.015);
        }
        .channel-nav-row a.active {
            color: var(--accent-cyan);
            border-bottom-color: var(--accent-cyan);
        }
        .channel-nav-row a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10%;
            width: 80%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            border-radius: 2px;
        }

        /* Mobile menu toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            padding: 6px 8px;
            cursor: pointer;
            line-height: 1;
        }

        /* ===== HERO SECTION ===== */
        .hero-section {
            padding: 40px 0 50px;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 24px;
            align-items: stretch;
        }
        .hero-featured {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-surface);
            display: flex;
            flex-direction: column;
            min-height: 420px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .hero-featured:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .hero-featured-img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            display: block;
        }
        .hero-featured-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .hero-featured-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .hero-featured-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hero-featured-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .hero-featured-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-tertiary);
            flex-wrap: wrap;
        }
        .hero-featured-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hero-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-side-card {
            display: flex;
            gap: 14px;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 14px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            cursor: pointer;
            align-items: flex-start;
        }
        .hero-side-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateX(3px);
        }
        .hero-side-card-img {
            width: 80px;
            height: 68px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-card);
        }
        .hero-side-card-info {
            flex: 1;
            min-width: 0;
        }
        .hero-side-card-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-amber);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 4px;
        }
        .hero-side-card-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hero-side-card-date {
            font-size: 11px;
            color: var(--text-tertiary);
            margin-top: 5px;
        }

        /* ===== SECTION HEADINGS ===== */
        .section-heading {
            margin-bottom: 32px;
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .section-heading h2::after {
            content: '';
            display: inline-block;
            width: 32px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }
        .section-heading .view-all {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent-cyan);
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .section-heading .view-all:hover {
            color: #5cf5ff;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        /* ===== ANALYSIS GRID ===== */
        .analysis-section {
            padding: 50px 0;
        }
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .analysis-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .analysis-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .analysis-card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        .analysis-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .analysis-card:hover .analysis-card-img {
            transform: scale(1.04);
        }
        .analysis-card-tag-row {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .analysis-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.3px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .tag-tactical {
            background: rgba(0, 240, 255, 0.2);
            color: #a0f8ff;
        }
        .tag-player {
            background: rgba(255, 59, 92, 0.18);
            color: #ff8a9e;
        }
        .tag-version {
            background: rgba(46, 204, 113, 0.18);
            color: #7df0a8;
        }
        .tag-bp {
            background: rgba(245, 158, 11, 0.18);
            color: #fcc96b;
        }
        .analysis-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .analysis-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .analysis-card:hover .analysis-card-title {
            color: var(--accent-cyan);
        }
        .analysis-card-excerpt {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .analysis-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-tertiary);
            border-top: 1px solid var(--border-subtle);
            padding-top: 12px;
            gap: 10px;
            flex-wrap: wrap;
        }
        .analysis-card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .analysis-card-meta .meta-views {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--text-tertiary);
        }

        /* ===== ANALYSTS SECTION ===== */
        .analysts-section {
            padding: 50px 0;
        }
        .analysts-row {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-subtle) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .analysts-row::-webkit-scrollbar {
            height: 4px;
        }
        .analysts-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .analysts-row::-webkit-scrollbar-thumb {
            background: var(--border-subtle);
            border-radius: 4px;
        }
        .analyst-card {
            flex: 0 0 210px;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .analyst-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .analyst-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--border-subtle);
            transition: border-color var(--transition-fast);
            background: var(--bg-card);
        }
        .analyst-card:hover .analyst-avatar {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }
        .analyst-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .analyst-specialty {
            font-size: 12px;
            color: var(--accent-cyan);
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .analyst-bio {
            font-size: 12.5px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== TOPICS SECTION ===== */
        .topics-section {
            padding: 50px 0;
        }
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .topic-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .topic-card-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
        }
        .topic-card-info {
            flex: 1;
            min-width: 0;
        }
        .topic-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 5px;
        }
        .topic-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .topic-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .topic-mini-tag {
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 10px;
            background: rgba(255, 59, 92, 0.1);
            color: var(--accent-red);
            font-weight: 500;
        }

        /* ===== TAG CLOUD ===== */
        .tag-cloud-section {
            padding: 40px 0 50px;
        }
        .tag-cloud-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud-item {
            font-size: 13px;
            font-weight: 500;
            padding: 7px 15px;
            border-radius: 20px;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .tag-cloud-item:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            background: rgba(0, 240, 255, 0.04);
        }
        .tag-cloud-item.hot-tag {
            border-color: rgba(255, 59, 92, 0.4);
            color: var(--accent-red);
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 50px 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item.active {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.12);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
        }
        .faq-item.active .faq-icon {
            background: rgba(255, 59, 92, 0.2);
            color: var(--accent-red);
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-answer-inner {
            border-top: 1px solid var(--border-subtle);
            padding-top: 14px;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 50px 0;
        }
        .cta-bar {
            background: linear-gradient(135deg, #111920 0%, #0d1822 40%, #0f1a25 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 44px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-bar::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(0, 240, 255, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-bar h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-bar p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: 25px;
            border: 1px solid var(--border-subtle);
            background: var(--bg-deep);
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .cta-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 4px rgba(0, 240, 255, 0.06);
        }
        .btn-cta {
            padding: 12px 28px;
            border-radius: 25px;
            background: var(--accent-cyan);
            color: #0A0E14;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .btn-cta:hover {
            box-shadow: var(--shadow-glow-cyan);
            background: #3df5ff;
            transform: translateY(-1px);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #060a10;
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 28px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: var(--text-tertiary);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-tertiary);
            line-height: 1.8;
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border-subtle);
        }
        .footer-bottom a {
            color: var(--text-tertiary);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr 300px;
                gap: 16px;
            }
            .hero-featured-img {
                height: 200px;
            }
            .hero-featured-title {
                font-size: 19px;
            }
            .hero-side-card-img {
                width: 64px;
                height: 54px;
            }
            .hero-side-card-title {
                font-size: 13px;
            }
            .analysis-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .topics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            :root {
                --section-gap: 50px;
            }
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-featured {
                min-height: auto;
            }
            .hero-featured-img {
                height: 180px;
            }
            .hero-sidebar {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-side-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 12px 8px;
                gap: 8px;
            }
            .hero-side-card-img {
                width: 56px;
                height: 44px;
                border-radius: 4px;
            }
            .hero-side-card-title {
                font-size: 11px;
                -webkit-line-clamp: 2;
            }
            .hero-side-card-date {
                display: none;
            }
            .hero-side-card-label {
                font-size: 10px;
            }
            .analysis-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .analysis-card-img-wrap {
                height: 170px;
            }
            .topics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .analysts-row {
                gap: 12px;
            }
            .analyst-card {
                flex: 0 0 160px;
                padding: 14px 10px;
            }
            .analyst-avatar {
                width: 56px;
                height: 56px;
            }
            .analyst-name {
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .cta-bar {
                padding: 30px 18px;
            }
            .cta-bar h2 {
                font-size: 22px;
            }
            .channel-nav-row a {
                padding: 10px 13px;
                font-size: 13px;
            }
            .header-search {
                width: 120px;
            }
            .header-search:focus {
                width: 150px;
            }
            :root {
                --section-gap: 40px;
                --container-padding: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-sidebar {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-side-card {
                padding: 10px 6px;
            }
            .hero-side-card-img {
                width: 44px;
                height: 36px;
            }
            .hero-side-card-title {
                font-size: 10px;
            }
            .hero-featured-title {
                font-size: 17px;
            }
            .hero-featured-body {
                padding: 14px 14px 16px;
            }
            .analysis-card-img-wrap {
                height: 150px;
            }
            .analysis-card-title {
                font-size: 15px;
            }
            .analyst-card {
                flex: 0 0 140px;
                padding: 10px 8px;
            }
            .analyst-avatar {
                width: 46px;
                height: 46px;
            }
            .analyst-name {
                font-size: 13px;
            }
            .analyst-specialty {
                font-size: 10px;
            }
            .analyst-bio {
                font-size: 11px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-heading h2 {
                font-size: 20px;
            }
            .channel-nav-row a {
                padding: 9px 10px;
                font-size: 12px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .header-search {
                width: 90px;
                font-size: 12px;
            }
            .header-search:focus {
                width: 110px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-input {
                min-width: auto;
            }
            .btn-cta {
                width: 100%;
                text-align: center;
            }
            :root {
                --section-gap: 32px;
                --container-padding: 12px;
            }
            .tag-cloud-item {
                font-size: 11px;
                padding: 5px 10px;
            }
            .faq-question {
                font-size: 13px;
                padding: 13px 14px;
            }
            .faq-answer {
                font-size: 12.5px;
                padding: 0 14px 14px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0A0E14;
            --bg-surface: #161B22;
            --bg-card: #1A1F28;
            --bg-elevated: #1E2430;
            --accent-cyan: #00F0FF;
            --accent-red: #FF3B5C;
            --accent-green: #2ECC71;
            --text-primary: #F0F3F5;
            --text-secondary: #8B939C;
            --text-muted: #5A636E;
            --border-subtle: #212A33;
            --border-hover: #2A3440;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-elevated: 0 4px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow-cyan: 0 0 15px rgba(0, 240, 255, 0.35);
            --shadow-glow-red: 0 0 12px rgba(255, 59, 92, 0.3);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 72px;
            --spacing-3xl: 96px;
            --font-heading: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "DIN Alternate", "Rajdhani", "Bebas Neue", sans-serif;
            --font-body: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1280px;
            --container-padding: 24px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-color: var(--bg-deep);
            color: var(--text-primary);
        }

        body {
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.6;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
            transition: all var(--transition-fast);
        }

        button:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 3px;
        }

        input {
            font-family: inherit;
            color: var(--text-primary);
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            outline: none;
        }
        input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.12);
        }
        input::placeholder {
            color: var(--text-muted);
        }

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

        header.site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: var(--spacing-md);
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .logo-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2.2s ease-in-out infinite;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-green), 0 0 10px rgba(46, 204, 113, 0.6);
            }
            50% {
                box-shadow: 0 0 8px var(--accent-green), 0 0 20px rgba(46, 204, 113, 0.9);
            }
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .brand-actions .icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            font-size: 15px;
        }
        .brand-actions .icon-btn:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            border-color: var(--border-hover);
        }
        .channel-nav-row {
            display: flex;
            align-items: center;
            gap: 2px;
            padding: 0 0 10px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
        }
        .channel-nav-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav-row a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .channel-nav-row a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.03);
        }
        .channel-nav-row a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            font-weight: 600;
        }
        .channel-nav-row a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
            animation: underline-in 0.35s ease-out;
        }
        @keyframes underline-in {
            from {
                transform: scaleX(0);
                opacity: 0;
            }
            to {
                transform: scaleX(1);
                opacity: 1;
            }
        }

        main.page-main {
            flex: 1;
        }

        .section-block {
            padding: var(--spacing-2xl) 0;
        }
        .section-block+.section-block {
            padding-top: 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: var(--spacing-lg);
            max-width: 680px;
        }
        .section-header-group {
            margin-bottom: var(--spacing-lg);
        }

        .hero-topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .hero-topic-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            cursor: pointer;
            position: relative;
            text-decoration: none;
            color: inherit;
        }
        .hero-topic-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
            box-shadow: var(--shadow-elevated), 0 0 20px rgba(0, 240, 255, 0.08);
        }
        .hero-topic-card .topic-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-deep);
        }
        .hero-topic-card .topic-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .hero-topic-card:hover .topic-img-wrap img {
            transform: scale(1.04);
        }
        .hero-topic-card .topic-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 14, 20, 0.85) 0%, rgba(10, 14, 20, 0.2) 55%, transparent 100%);
            pointer-events: none;
        }
        .hero-topic-card .topic-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        .hero-topic-card .topic-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .hero-topic-card .topic-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .hero-topic-card .topic-tag.tag-red {
            background: rgba(255, 59, 92, 0.12);
            color: var(--accent-red);
        }
        .hero-topic-card .topic-tag.tag-green {
            background: rgba(46, 204, 113, 0.12);
            color: var(--accent-green);
        }
        .hero-topic-card .topic-title {
            font-family: var(--font-heading);
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 2px 0;
        }
        .hero-topic-card .topic-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .hero-topic-card .topic-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            padding-top: 4px;
        }
        .hero-topic-card .topic-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent-cyan);
            flex-shrink: 0;
        }

        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            padding: var(--spacing-lg) 0;
        }
        .stat-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: border-color var(--transition-fast);
        }
        .stat-item:hover {
            border-color: var(--border-hover);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }
        .stat-number.red {
            color: var(--accent-red);
        }
        .stat-number.green {
            color: var(--accent-green);
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.4;
        }
        .stat-trend {
            font-size: 11px;
            font-weight: 600;
            margin-top: 4px;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .stat-trend.up {
            color: var(--accent-green);
        }
        .stat-trend.stable {
            color: var(--text-muted);
        }

        .topic-list-section {}
        .topic-list-item {
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            padding: var(--spacing-md);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            background: var(--bg-card);
            margin-bottom: var(--spacing-sm);
            transition: all var(--transition-smooth);
            text-decoration: none;
            color: inherit;
            cursor: pointer;
        }
        .topic-list-item:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-elevated);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
            transform: translateX(3px);
        }
        .topic-list-thumb {
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-deep);
        }
        .topic-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .topic-list-item:hover .topic-list-thumb img {
            transform: scale(1.06);
        }
        .topic-list-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .topic-list-info .list-title {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
            transition: color var(--transition-fast);
        }
        .topic-list-item:hover .list-title {
            color: var(--accent-cyan);
        }
        .topic-list-info .list-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .topic-list-info .list-meta-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .topic-list-info .list-meta-row .meta-sep {
            width: 1px;
            height: 10px;
            background: var(--border-subtle);
        }

        .cta-subscribe-block {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-subscribe-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-subscribe-block .cta-title {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            position: relative;
            z-index: 1;
        }
        .cta-subscribe-block .cta-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
        }
        .cta-subscribe-block .subscribe-form {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-subscribe-block .subscribe-form input {
            width: 320px;
            max-width: 100%;
            padding: 12px 16px;
            font-size: 14px;
            background: var(--bg-deep);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
        }
        .cta-subscribe-block .subscribe-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.12);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            color: #0A0E14;
            background: var(--accent-cyan);
            border: 2px solid var(--accent-cyan);
            border-radius: var(--radius-sm);
            cursor: pointer;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            gap: 6px;
            font-family: inherit;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
            background: #1AF5FF;
            border-color: #1AF5FF;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 2px solid var(--accent-cyan);
            border-radius: var(--radius-sm);
            cursor: pointer;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            gap: 6px;
            font-family: inherit;
        }
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }

        .tools-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .tool-entry-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: all var(--transition-smooth);
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-xs);
            cursor: pointer;
        }
        .tool-entry-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
            box-shadow: var(--shadow-elevated);
        }
        .tool-entry-card .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }
        .tool-entry-card .tool-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
        }
        .tool-entry-card .tool-desc {
            font-size: 12.5px;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .tool-entry-card .tool-link-text {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-cyan);
            margin-top: 2px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item.open {
            border-color: var(--accent-cyan);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            text-align: left;
            cursor: pointer;
            gap: var(--spacing-sm);
            transition: color var(--transition-fast);
            font-family: inherit;
            letter-spacing: 0.2px;
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-item.open .faq-question {
            color: var(--accent-cyan);
        }
        .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            background: var(--accent-red);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            background: var(--bg-deep);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        footer.site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-2xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.4px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-md);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border-subtle);
        }

        .divider {
            border: none;
            border-top: 1px solid var(--border-subtle);
            margin: var(--spacing-lg) 0;
        }
        .divider-thin {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin: var(--spacing-md) 0;
        }

        @media (max-width: 1024px) {
            .hero-topics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .tools-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 26px;
            }
            .stat-number {
                font-size: 28px;
            }
            .topic-list-thumb {
                width: 80px;
                height: 60px;
            }
            .topic-list-info .list-desc {
                -webkit-line-clamp: 2;
            }
        }
        @media (max-width: 768px) {
            .hero-topics-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-xs);
            }
            .tools-entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .section-title {
                font-size: 22px;
            }
            .stat-number {
                font-size: 24px;
            }
            .topic-list-item {
                flex-direction: column;
                align-items: stretch;
            }
            .topic-list-thumb {
                width: 100%;
                height: 140px;
            }
            .channel-nav-row a {
                padding: 8px 12px;
                font-size: 13px;
            }
            .brand-row {
                padding: 8px 0;
            }
            .logo-text {
                font-size: 18px;
            }
            .cta-subscribe-block .subscribe-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-subscribe-block .subscribe-form input {
                width: 100%;
            }
            .section-block {
                padding: var(--spacing-xl) 0;
            }
        }
        @media (max-width: 520px) {
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .tools-entry-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .hero-topic-card .topic-title {
                font-size: 16px;
            }
            .section-title {
                font-size: 20px;
            }
            .stat-number {
                font-size: 22px;
            }
            .channel-nav-row {
                gap: 0;
            }
            .channel-nav-row a {
                padding: 7px 10px;
                font-size: 12px;
            }
            .brand-actions .icon-btn {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0E14;
            --bg-surface: #161B22;
            --bg-surface-light: #1C212A;
            --bg-elevated: #1E2430;
            --text-primary: #F0F3F5;
            --text-secondary: #8B939C;
            --text-muted: #5A636E;
            --accent-cyan: #00F0FF;
            --accent-red: #FF3B5C;
            --accent-green: #2ECC71;
            --accent-gold: #F0C060;
            --accent-silver: #B8C5D0;
            --accent-bronze: #D4946A;
            --border-color: #212A33;
            --border-light: #2A3340;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-elevated: 0 4px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow-cyan: 0 0 18px rgba(0, 240, 255, 0.25);
            --shadow-glow-gold: 0 0 22px rgba(240, 192, 96, 0.3);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
            --font-mono: "SF Mono", "Consolas", "Monaco", monospace;
            --font-display: "DIN Alternate", "Rajdhani", "Bebas Neue", "PingFang SC", sans-serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            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 {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 20, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-normal);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: var(--spacing-md);
        }

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

        .logo-text {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-green), 0 0 10px var(--accent-green);
            }
            50% {
                box-shadow: 0 0 8px var(--accent-green), 0 0 22px var(--accent-green), 0 0 36px rgba(46, 204, 113, 0.4);
            }
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-trigger {
            color: var(--text-secondary);
            font-size: 18px;
            transition: color var(--transition-fast);
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .search-trigger:hover {
            color: var(--accent-cyan);
        }

        .user-icon-btn {
            color: var(--text-secondary);
            font-size: 18px;
            transition: color var(--transition-fast);
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .user-icon-btn:hover {
            color: var(--accent-cyan);
        }

        .channel-nav-row {
            display: flex;
            gap: 4px;
            padding: 0 0 10px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
        }
        .channel-nav-row::-webkit-scrollbar {
            display: none;
        }

        .channel-nav-row a {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .channel-nav-row a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.03);
        }
        .channel-nav-row a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            font-weight: 600;
        }
        .channel-nav-row a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
            animation: underline-in 0.3s ease;
        }

        @keyframes underline-in {
            from {
                transform: scaleX(0);
            }
            to {
                transform: scaleX(1);
            }
        }

        @media (max-width: 768px) {
            .logo-text {
                font-size: 22px;
            }
            .channel-nav-row a {
                padding: 6px 11px;
                font-size: 13px;
            }
            .brand-row {
                padding: 10px 0;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 20px;
            }
            .channel-nav-row a {
                padding: 5px 9px;
                font-size: 12px;
                letter-spacing: 0;
            }
            .channel-nav-row {
                gap: 2px;
            }
        }

        /* ========== HERO - TOP 3 PODIUM ========== */
        .rankings-hero {
            padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
            position: relative;
        }

        .rankings-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(0, 240, 255, 0.04) 0%, transparent 65%),
                radial-gradient(ellipse at 30% 60%, rgba(240, 192, 96, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 55%, rgba(46, 204, 113, 0.03) 0%, transparent 55%);
            pointer-events: none;
            z-index: 1;
        }

        .podium-title {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        .podium-title h1 {
            font-family: var(--font-display);
            font-size: 44px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            line-height: 1.15;
        }
        .podium-title h1 .highlight {
            color: var(--accent-cyan);
        }
        .podium-title .subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            margin-top: 8px;
            letter-spacing: 0.3px;
        }

        .podium-container {
            display: grid;
            grid-template-columns: 1fr 1.2fr 1fr;
            gap: var(--spacing-md);
            align-items: end;
            max-width: 900px;
            margin: 0 auto;
        }

        .podium-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            border: 2px solid var(--border-color);
            transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .podium-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-elevated);
        }
        .podium-card.rank-1 {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-glow-gold);
            padding: var(--spacing-lg) var(--spacing-md);
            order: 2;
        }
        .podium-card.rank-1:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 0 32px rgba(240, 192, 96, 0.4), var(--shadow-elevated);
        }
        .podium-card.rank-2 {
            border-color: var(--accent-silver);
            order: 1;
        }
        .podium-card.rank-2:hover {
            border-color: #D0D8E0;
            box-shadow: 0 0 20px rgba(184, 197, 208, 0.25), var(--shadow-elevated);
        }
        .podium-card.rank-3 {
            border-color: var(--accent-bronze);
            order: 3;
        }
        .podium-card.rank-3:hover {
            border-color: #E0A878;
            box-shadow: 0 0 20px rgba(212, 148, 106, 0.25), var(--shadow-elevated);
        }

        .podium-rank-badge {
            display: inline-block;
            font-family: var(--font-display);
            font-size: 36px;
            font-weight: 700;
            width: 56px;
            height: 56px;
            line-height: 56px;
            border-radius: 50%;
            margin: 0 auto 10px;
        }
        .rank-1 .podium-rank-badge {
            background: linear-gradient(135deg, #F0C060, #D4A030);
            color: #1a1a1a;
            box-shadow: 0 0 20px rgba(240, 192, 96, 0.45);
        }
        .rank-2 .podium-rank-badge {
            background: linear-gradient(135deg, #C8D4E0, #9AA8B5);
            color: #1a1a1a;
            box-shadow: 0 0 14px rgba(184, 197, 208, 0.35);
        }
        .rank-3 .podium-rank-badge {
            background: linear-gradient(135deg, #D4946A, #B07040);
            color: #1a1a1a;
            box-shadow: 0 0 14px rgba(212, 148, 106, 0.35);
        }

        .podium-card .team-logo-placeholder {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bg-elevated);
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            border: 2px solid var(--border-light);
            overflow: hidden;
        }
        .podium-card.rank-1 .team-logo-placeholder {
            width: 80px;
            height: 80px;
            font-size: 34px;
            border-color: var(--accent-gold);
        }
        .podium-card .team-logo-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }

        .podium-card .team-name {
            font-weight: 700;
            font-size: 17px;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .podium-card.rank-1 .team-name {
            font-size: 19px;
        }
        .podium-card .team-region {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .podium-card .team-score {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-cyan);
        }
        .podium-card.rank-1 .team-score {
            font-size: 34px;
        }
        .podium-card .score-label {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.4px;
        }

        @media (max-width: 768px) {
            .podium-container {
                grid-template-columns: 1fr;
                gap: 14px;
                max-width: 100%;
            }
            .podium-card.rank-1,
            .podium-card.rank-2,
            .podium-card.rank-3 {
                order: unset;
            }
            .podium-card.rank-1 {
                padding: var(--spacing-md);
            }
            .podium-title h1 {
                font-size: 30px;
            }
            .podium-card .team-logo-placeholder,
            .podium-card.rank-1 .team-logo-placeholder {
                width: 56px;
                height: 56px;
                font-size: 24px;
            }
            .podium-card .team-score,
            .podium-card.rank-1 .team-score {
                font-size: 26px;
            }
        }

        /* ========== STATS ROW ========== */
        .stats-mini-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-xl);
        }
        .stat-mini-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            border: 1px solid var(--border-color);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .stat-mini-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }
        .stat-mini-card .stat-value {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: -0.3px;
        }
        .stat-mini-card .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        .stat-mini-card .stat-trend {
            font-size: 11px;
            margin-top: 2px;
            font-weight: 500;
        }
        .stat-trend.up {
            color: var(--accent-green);
        }
        .stat-trend.down {
            color: var(--accent-red);
        }

        @media (max-width: 768px) {
            .stats-mini-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-mini-card .stat-value {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .stats-mini-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ========== TAB SWITCHER ========== */
        .rankings-main {
            padding-bottom: var(--spacing-2xl);
        }

        .tab-switcher {
            display: flex;
            gap: 6px;
            margin-bottom: var(--spacing-md);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 0;
        }
        .tab-btn {
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            letter-spacing: 0.3px;
        }
        .tab-btn:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.02);
        }
        .tab-btn.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }
        .tab-btn.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 2px 2px 0 0;
            animation: underline-in 0.25s ease;
        }

        @media (max-width: 520px) {
            .tab-btn {
                padding: 10px 16px;
                font-size: 13px;
            }
        }

        /* ========== RANKING TABLE ========== */
        .ranking-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            background: var(--bg-surface);
            margin-bottom: var(--spacing-xl);
        }
        .ranking-table {
            width: 100%;
            min-width: 780px;
            border-collapse: collapse;
            font-size: 14px;
        }
        .ranking-table thead th {
            background: var(--bg-elevated);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 2px solid var(--border-color);
            white-space: nowrap;
        }
        .ranking-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--border-color);
            vertical-align: middle;
            white-space: nowrap;
        }
        .ranking-table tbody tr {
            transition: background var(--transition-fast);
        }
        .ranking-table tbody tr:hover {
            background: rgba(0, 240, 255, 0.03);
        }
        .ranking-table tbody tr.top-row {
            background: rgba(240, 192, 96, 0.04);
        }
        .ranking-table tbody tr:nth-child(2).top-row {
            background: rgba(184, 197, 208, 0.03);
        }
        .ranking-table tbody tr:nth-child(3).top-row {
            background: rgba(212, 148, 106, 0.03);
        }

        .rank-num {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 16px;
            width: 40px;
            text-align: center;
            display: inline-block;
        }
        .rank-change {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            margin-left: 2px;
            min-width: 20px;
        }
        .rank-change.up {
            color: var(--accent-green);
        }
        .rank-change.down {
            color: var(--accent-red);
        }
        .rank-change.same {
            color: var(--text-muted);
        }

        .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .team-cell .cell-logo {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-elevated);
            flex-shrink: 0;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .team-cell .cell-logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }
        .team-cell .cell-name {
            font-weight: 600;
            color: var(--text-primary);
        }
        .team-cell .cell-region {
            font-size: 11px;
            color: var(--text-muted);
        }

        .score-cell {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 16px;
            color: var(--accent-cyan);
        }
        .recent-form {
            display: flex;
            gap: 3px;
        }
        .form-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }
        .form-dot.win {
            background: var(--accent-green);
        }
        .form-dot.loss {
            background: var(--accent-red);
        }
        .form-dot.draw {
            background: var(--text-muted);
        }

        .table-section-title {
            display: none;
        }

        @media (max-width: 768px) {
            .ranking-table-wrap {
                border-radius: var(--radius-md);
                margin: 0 -16px var(--spacing-lg);
                border-left: none;
                border-right: none;
                border-radius: 0;
            }
            .ranking-table {
                min-width: 680px;
                font-size: 13px;
            }
            .ranking-table thead th,
            .ranking-table tbody td {
                padding: 10px 10px;
            }
        }

        /* ========== RISING STARS / POTENTIAL ========== */
        .section-header {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
            gap: 10px;
        }
        .section-header h2 {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .section-header .section-tag {
            font-size: 12px;
            color: var(--accent-cyan);
            font-weight: 500;
            letter-spacing: 0.8px;
            text-transform: uppercase;
        }

        .potential-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-xl);
        }
        .potential-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border: 1px solid var(--border-color);
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .potential-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow-cyan);
        }
        .potential-card .pc-rank-num {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
            line-height: 1;
            min-width: 36px;
        }
        .potential-card .pc-info .pc-name {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 15px;
            margin-bottom: 3px;
        }
        .potential-card .pc-info .pc-desc {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .potential-card .pc-info .pc-stat {
            font-size: 11px;
            color: var(--accent-cyan);
            margin-top: 4px;
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .potential-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .potential-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 22px;
            }
        }

        /* ========== HEAT BAR ========== */
        .heat-bars-section {
            margin-bottom: var(--spacing-xl);
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-color);
        }
        .heat-bars-section h2 {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.2px;
        }
        .heat-bar-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .heat-bar-item:last-child {
            margin-bottom: 0;
        }
        .heat-bar-label {
            font-weight: 600;
            font-size: 13px;
            color: var(--text-primary);
            min-width: 100px;
            text-align: right;
            flex-shrink: 0;
        }
        .heat-bar-track {
            flex: 1;
            height: 10px;
            background: var(--bg-elevated);
            border-radius: 5px;
            overflow: hidden;
        }
        .heat-bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width 1s ease;
            background: linear-gradient(90deg, var(--accent-cyan), #00C8E0);
        }
        .heat-bar-fill.hot {
            background: linear-gradient(90deg, var(--accent-red), #FF6B80);
        }
        .heat-bar-pct {
            font-family: var(--font-display);
            font-size: 13px;
            font-weight: 700;
            color: var(--text-secondary);
            min-width: 42px;
            text-align: left;
            flex-shrink: 0;
        }

        @media (max-width: 600px) {
            .heat-bar-label {
                min-width: 70px;
                font-size: 12px;
            }
            .heat-bars-section {
                padding: var(--spacing-md);
            }
            .heat-bars-section h2 {
                font-size: 18px;
            }
        }

        /* ========== ACCORDION (排名算法) ========== */
        .accordion-section {
            margin-bottom: var(--spacing-xl);
        }
        .accordion-section h2 {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.2px;
        }
        .accordion-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .accordion-item:hover {
            border-color: var(--border-light);
        }
        .accordion-item.open {
            border-color: var(--accent-cyan);
        }
        .accordion-trigger {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            text-align: left;
            letter-spacing: 0.2px;
            transition: color var(--transition-fast);
        }
        .accordion-trigger:hover {
            color: var(--accent-cyan);
        }
        .accordion-icon {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: transform var(--transition-fast), color var(--transition-fast);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
        }
        .accordion-item.open .accordion-icon {
            color: var(--accent-red);
            background: rgba(255, 59, 92, 0.1);
            transform: rotate(45deg);
        }
        .accordion-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .accordion-item.open .accordion-panel {
            max-height: 600px;
        }
        .accordion-panel-inner {
            padding: 0 20px 18px 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-bottom: var(--spacing-xl);
        }
        .faq-section h2 {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.2px;
            color: var(--text-primary);
        }
        .faq-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            margin-bottom: 8px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item.open {
            border-color: var(--accent-cyan);
        }
        .faq-trigger {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            text-align: left;
            letter-spacing: 0.2px;
            transition: color var(--transition-fast);
        }
        .faq-trigger:hover {
            color: var(--accent-cyan);
        }
        .faq-icon {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: transform var(--transition-fast), color var(--transition-fast);
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
        }
        .faq-item.open .faq-icon {
            color: var(--accent-red);
            background: rgba(255, 59, 92, 0.1);
            transform: rotate(45deg);
        }
        .faq-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-panel {
            max-height: 500px;
        }
        .faq-panel-inner {
            padding: 0 18px 16px 18px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            margin-bottom: var(--spacing-xl);
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
        }
        .cta-btns {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            background: var(--accent-cyan);
            color: #0A0E14;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.4px;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-block;
            padding: 12px 26px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.4px;
            border: 2px solid var(--accent-cyan);
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
            transform: translateY(-2px);
        }

        @media (max-width: 600px) {
            .cta-section h2 {
                font-size: 20px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 14px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #070B10;
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            line-height: 2;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border-color);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .footer-col h4 {
                font-size: 14px;
            }
            .footer-col a {
                font-size: 12px;
            }
        }

        /* ========== TAB PANEL VISIBILITY ========== */
        .tab-panel {
            display: none;
        }
        .tab-panel.active {
            display: block;
        }

        /* ========== MISC UTILS ========== */
        .text-cyan {
            color: var(--accent-cyan);
        }
        .text-green {
            color: var(--accent-green);
        }
        .text-red {
            color: var(--accent-red);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .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;
        }

/* roulang page: category5 */
:root {
            --color-bg: #0A0E14;
            --color-surface: #161B22;
            --color-surface-alt: #1a1f28;
            --color-border: #212A33;
            --color-border-light: #2a3340;
            --color-accent: #00F0FF;
            --color-accent-glow: rgba(0, 240, 255, 0.35);
            --color-accent-dim: rgba(0, 240, 255, 0.12);
            --color-alert: #FF3B5C;
            --color-alert-glow: rgba(255, 59, 92, 0.3);
            --color-success: #2ECC71;
            --color-success-glow: rgba(46, 204, 113, 0.3);
            --color-text: #F0F3F5;
            --color-text-secondary: #8B939C;
            --color-text-muted: #5A636E;
            --color-text-on-accent: #0A0E14;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--color-accent-dim);
            --shadow-glow-accent: 0 0 18px var(--color-accent-glow);
            --shadow-glow-alert: 0 0 14px var(--color-alert-glow);
            --font-title: 'DIN Alternate', 'Rajdhani', 'Bebas Neue', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 88px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --nav-height-brand: 52px;
            --nav-height-channel: 44px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 20, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--color-text);
            white-space: nowrap;
        }
        .logo-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-success);
            box-shadow: 0 0 8px var(--color-success-glow);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 6px var(--color-success-glow);
            }
            50% {
                box-shadow: 0 0 16px var(--color-success-glow), 0 0 28px rgba(46, 204, 113, 0.5);
            }
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .brand-icon-btn {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .brand-icon-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-glow-accent);
        }

        /* 频道导航行 */
        .channel-nav-row {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 24px;
            height: var(--nav-height-channel);
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .channel-nav-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav-row a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-base);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.2px;
            flex-shrink: 0;
        }
        .channel-nav-row a:hover {
            color: var(--color-text);
            background: var(--color-surface);
        }
        .channel-nav-row a.active {
            color: var(--color-accent);
            background: var(--color-accent-dim);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.25);
        }

        /* ========== MAIN ========== */
        .page-main {
            flex: 1;
        }

        /* ========== HERO ========== */
        .hero-tools {
            padding: var(--spacing-2xl) 0 var(--spacing-3xl);
        }
        .hero-tools .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .hero-tools-content h1 {
            font-family: var(--font-title);
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.3px;
            color: var(--color-text);
            margin-bottom: var(--spacing-md);
        }
        .hero-tools-content h1 .highlight {
            color: var(--color-accent);
        }
        .hero-tools-content .hero-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 480px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: var(--color-text-on-accent);
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-accent);
            transform: translateY(-1px);
            color: var(--color-text-on-accent);
            background: #1af5ff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-outline:hover {
            background: var(--color-accent-dim);
            box-shadow: var(--shadow-glow-accent);
            color: var(--color-accent);
        }
        .hero-tools-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-tools-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            width: 100%;
            max-width: 500px;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .hero-visual-glow {
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
            pointer-events: none;
            z-index: -1;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            filter: blur(40px);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
        }
        .section-header p {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-divider {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: 0 auto;
            max-width: var(--container-max);
        }

        /* ========== 工具卡片网格 ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .tool-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            position: relative;
            overflow: hidden;
        }
        .tool-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .tool-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-accent-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }
        .tool-card:hover .tool-card-icon {
            background: var(--color-accent);
            color: var(--color-text-on-accent);
            box-shadow: var(--shadow-glow-accent);
        }
        .tool-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.2px;
            line-height: 1.35;
        }
        .tool-card .tool-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }
        .tool-card .tool-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition-fast);
            margin-top: auto;
        }
        .tool-card .tool-link:hover {
            gap: 9px;
            color: #1af5ff;
        }
        .tool-card .tool-link .arrow {
            transition: transform var(--transition-fast);
        }
        .tool-card .tool-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== 功能对比表 ========== */
        .compare-section {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: var(--spacing-md);
        }
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }
        .compare-table-wrap::-webkit-scrollbar {
            height: 5px;
        }
        .compare-table-wrap::-webkit-scrollbar-track {
            background: transparent;
        }
        .compare-table-wrap::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 10px;
        }
        .compare-table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
            font-size: 14px;
        }
        .compare-table thead th {
            background: var(--color-bg);
            padding: 16px 18px;
            text-align: center;
            font-weight: 700;
            color: var(--color-text);
            font-size: 15px;
            letter-spacing: 0.3px;
            border-bottom: 2px solid var(--color-border-light);
            white-space: nowrap;
        }
        .compare-table thead th:first-child {
            text-align: left;
            padding-left: 22px;
            min-width: 180px;
        }
        .compare-table thead th.col-free {
            color: var(--color-text-secondary);
        }
        .compare-table thead th.col-pro {
            color: var(--color-accent);
        }
        .compare-table thead th.col-enterprise {
            color: #FFB347;
        }
        .compare-table tbody td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            vertical-align: middle;
        }
        .compare-table tbody td:first-child {
            text-align: left;
            padding-left: 22px;
            font-weight: 500;
            color: var(--color-text);
            white-space: nowrap;
        }
        .compare-table tbody tr:hover td {
            background: rgba(0, 240, 255, 0.03);
        }
        .compare-table .check-icon {
            color: var(--color-success);
            font-weight: 700;
            font-size: 16px;
        }
        .compare-table .dash-icon {
            color: var(--color-text-muted);
        }
        .compare-table .tag-rec {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 700;
            background: var(--color-accent-dim);
            color: var(--color-accent);
            letter-spacing: 0.5px;
        }

        /* ========== 案例卡片 ========== */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .case-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            transition: all var(--transition-base);
            position: relative;
        }
        .case-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .case-card .case-icon {
            font-size: 32px;
            margin-bottom: var(--spacing-sm);
        }
        .case-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
        }
        .case-card .case-scene {
            font-size: 12px;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }
        .case-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background: var(--color-surface);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-item[open] {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 1px var(--color-accent-dim);
        }
        .faq-item summary {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-accent-dim);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 600;
            transition: all var(--transition-base);
            line-height: 1;
        }
        .faq-item[open] summary {
            color: var(--color-accent);
        }
        .faq-item[open] summary::after {
            content: '−';
            background: var(--color-alert);
            color: #fff;
            box-shadow: var(--shadow-glow-alert);
        }
        .faq-answer {
            padding: 4px 20px 18px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-2xl) 0;
        }
        .cta-inner {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-family: var(--font-title);
            font-size: clamp(22px, 2.8vw, 30px);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.2px;
        }
        .cta-inner p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-lg);
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 14px;
            transition: all var(--transition-base);
        }
        .cta-form input:focus {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-glow-accent);
            outline: none;
        }
        .cta-form input::placeholder {
            color: var(--color-text-muted);
        }
        .cta-form .btn-primary {
            flex-shrink: 0;
        }

        /* ========== 联系行 ========== */
        .contact-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
            padding: var(--spacing-lg) 0;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .contact-bar a {
            color: var(--color-accent);
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .contact-bar a:hover {
            color: #1af5ff;
        }
        .contact-bar .sep-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-text-muted);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #070a0f;
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: var(--color-text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--color-border);
            font-size: 12.5px;
            color: var(--color-text-muted);
            line-height: 2;
        }
        .footer-bottom a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--color-border-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-tools .container {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero-tools-visual {
                order: -1;
            }
            .hero-tools-visual img {
                max-width: 100%;
                aspect-ratio: 16/9;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .tools-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .tool-card {
                padding: var(--spacing-md);
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .hero-tools {
                padding: var(--spacing-lg) 0 var(--spacing-xl);
            }
            .hero-tools-content h1 {
                font-size: 26px;
            }
            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
                width: 100%;
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 10px 12px;
                font-size: 12px;
            }
            .compare-table thead th:first-child,
            .compare-table tbody td:first-child {
                padding-left: 14px;
                min-width: 130px;
            }
            .brand-row {
                padding: 0 16px;
            }
            .channel-nav-row {
                padding: 0 12px;
                gap: 2px;
            }
            .channel-nav-row a {
                padding: 5px 11px;
                font-size: 12px;
                border-radius: 16px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                min-width: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .contact-bar {
                gap: 12px;
                flex-direction: column;
                text-align: center;
            }
            .contact-bar .sep-dot {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .hero-tools-content h1 {
                font-size: 22px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .tool-card h3 {
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-col {
                text-align: center;
            }
            .compare-table {
                min-width: 550px;
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 8px 10px;
                font-size: 11px;
            }
            .compare-table thead th:first-child,
            .compare-table tbody td:first-child {
                min-width: 100px;
                padding-left: 10px;
            }
        }