/* roulang page: index */
:root {
            --primary: #0B1F16;
            --primary-2: #102A1E;
            --primary-3: #143526;
            --accent: #2FE67D;
            --accent-bright: #4CFA96;
            --warm: #FF8A3D;
            --text-main: #F5F8F6;
            --text-secondary: #C2D1CA;
            --text-weak: #7E9389;
            --border: rgba(46, 230, 125, 0.18);
            --border-hover: rgba(46, 230, 125, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --max-width: 1200px;
            --header-height: 64px;
            --section-pad: 64px;
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--primary);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-bright);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        button {
            cursor: pointer;
            background: none;
            color: inherit;
        }

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

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

        /* header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 31, 22, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: radial-gradient(circle at 30% 30%, var(--accent-bright), var(--accent) 60%, #1a8f4f);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            position: relative;
        }

        .logo-icon::after {
            content: "";
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            top: 8px;
            left: 14px;
            opacity: 0.5;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(11, 31, 22, 0.98);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            z-index: 999;
            padding: 12px 24px 24px;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

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

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: rgba(46, 230, 125, 0.08);
            color: var(--accent);
        }

        /* section base */
        section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-alt {
            background: var(--primary-2);
        }

        .section-deep {
            background: var(--primary-3);
        }

        .section-title {
            font-size: 24px;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: "";
            width: 3px;
            height: 22px;
            background: var(--accent);
            border-radius: 3px;
            flex-shrink: 0;
        }

        .section-subtitle {
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 32px;
            max-width: 700px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(46, 230, 125, 0.12);
            color: var(--accent);
            border: 1px solid var(--border);
        }

        .tag-warm {
            background: rgba(255, 138, 61, 0.12);
            color: var(--warm);
            border-color: rgba(255, 138, 61, 0.25);
        }

        /* hero */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: calc(var(--header-height) + 40px) 0 48px;
            position: relative;
            background-image:
                linear-gradient(to bottom, rgba(11, 31, 22, 0.75), rgba(11, 31, 22, 0.92)),
                url('/assets/images/e0a1a75dc0ac0076.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(46, 230, 125, 0.12) 0%, rgba(255, 138, 61, 0.08) 40%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            color: var(--text-main);
        }

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

        .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-bright);
            box-shadow: 0 4px 16px rgba(46, 230, 125, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent);
            border-color: var(--accent);
        }
        .btn-outline:hover {
            background: rgba(46, 230, 125, 0.1);
            border-color: var(--accent-bright);
            color: var(--accent-bright);
        }

        .btn-warm {
            background: var(--warm);
            color: #fff;
        }
        .btn-warm:hover {
            background: #ff9d5c;
            box-shadow: 0 4px 16px rgba(255, 138, 61, 0.35);
        }

        .hero-live-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
            overflow: hidden;
        }

        .hero-live-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--warm), var(--accent));
        }

        .live-label {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--warm);
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.6);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(255, 138, 61, 0);
            }
        }

        .live-match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(46, 230, 125, 0.08);
        }

        .live-match:last-of-type {
            border-bottom: none;
            margin-bottom: 20px;
        }

        .live-teams {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 600;
        }

        .team-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .team-dot.blue {
            background: #4A90D9;
        }
        .team-dot.red {
            background: #E04A4A;
        }
        .team-dot.green {
            background: #58B368;
        }
        .team-dot.orange {
            background: #E8833A;
        }

        .live-score {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--warm);
        }

        .live-info {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 16px;
        }

        /* quick entry strip */
        .quick-entry {
            padding: 24px 0;
            background: var(--primary-2);
            border-bottom: 1px solid var(--border);
        }

        .quick-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .quick-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 16px 12px;
            border-radius: var(--radius-md);
            background: var(--primary-3);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
            color: var(--text-secondary);
        }

        .quick-item:hover {
            border-color: var(--border-hover);
            background: var(--primary-2);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: var(--text-main);
        }

        .quick-icon {
            font-size: 26px;
            line-height: 1;
        }

        .quick-name {
            font-size: 14px;
            font-weight: 600;
        }
        .quick-count {
            font-size: 12px;
            color: var(--text-weak);
        }

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

        .live-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
            flex-wrap: wrap;
        }

        .live-row:hover {
            border-color: var(--border-hover);
            background: var(--primary-2);
            transform: translateY(-1px);
        }

        .live-row-time {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            min-width: 60px;
            text-align: center;
        }

        .live-row-teams {
            flex: 1;
            min-width: 200px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 500;
        }

        .live-row-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }

        .status-live {
            background: rgba(255, 138, 61, 0.15);
            color: var(--warm);
            animation: pulse 2s infinite;
        }
        .status-upcoming {
            background: rgba(46, 230, 125, 0.12);
            color: var(--accent);
        }
        .status-finished {
            background: rgba(126, 147, 137, 0.15);
            color: var(--text-weak);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
            font-weight: 600;
            transition: all var(--transition);
        }

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

        .focus-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .focus-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

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

        .focus-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(11, 31, 22, 0.85);
            color: var(--accent);
            border: 1px solid var(--border);
        }

        .focus-body {
            padding: 16px 20px;
        }

        .focus-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .focus-desc {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .focus-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* brand intro */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-text h2 {
            font-size: 24px;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .brand-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .brand-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            min-height: 280px;
        }

        .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        .brand-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 31, 22, 0.35), transparent 60%);
            pointer-events: none;
        }

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

        .cat-card {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 24px;
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            color: var(--text-main);
        }

        .cat-card:hover {
            border-color: var(--border-hover);
            background: var(--primary-2);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .cat-name {
            font-size: 18px;
            font-weight: 650;
            color: var(--text-main);
        }

        .cat-desc {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        .cat-link {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            align-self: flex-start;
        }

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

        .video-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .video-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-2);
        }

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

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

        .video-duration {
            position: absolute;
            bottom: 8px;
            right: 8px;
            padding: 3px 10px;
            border-radius: 6px;
            background: rgba(11, 31, 22, 0.85);
            font-size: 12px;
            font-weight: 600;
            color: var(--text-main);
            font-family: var(--font-num);
        }

        .video-body {
            padding: 14px 16px;
        }

        .video-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .video-meta {
            font-size: 12px;
            color: var(--text-weak);
        }

        /* schedule */
        .schedule-days {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .schedule-day {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .schedule-day-head {
            padding: 14px 20px;
            background: rgba(46, 230, 125, 0.06);
            border-bottom: 1px solid var(--border);
            font-size: 16px;
            font-weight: 650;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .schedule-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 20px;
            border-bottom: 1px solid rgba(46, 230, 125, 0.06);
            flex-wrap: wrap;
        }
        .schedule-row:last-child {
            border-bottom: none;
        }

        .schedule-time {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-secondary);
            min-width: 50px;
        }

        .schedule-match {
            flex: 1;
            min-width: 180px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
        }

        .schedule-league {
            font-size: 12px;
            color: var(--text-weak);
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(46, 230, 125, 0.08);
            border: 1px solid var(--border);
        }

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

        .rank-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition);
        }

        .rank-card:hover {
            border-color: var(--border-hover);
            background: var(--primary-2);
        }

        .rank-header {
            font-size: 16px;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rank-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            padding: 8px 12px;
            border-radius: 6px;
            background: rgba(46, 230, 125, 0.04);
            transition: background var(--transition);
        }

        .rank-item:hover {
            background: rgba(46, 230, 125, 0.1);
        }

        .rank-num {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
            min-width: 28px;
            text-align: center;
        }

        .rank-name {
            flex: 1;
            color: var(--text-secondary);
        }

        .rank-value {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 700;
            color: var(--warm);
        }

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

        .expert-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition);
        }

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

        .expert-tag {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .expert-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .expert-desc {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .expert-meta {
            font-size: 12px;
            color: var(--text-weak);
        }

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

        .fan-item {
            padding: 16px 20px;
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .fan-item:hover {
            border-color: var(--border-hover);
            background: var(--primary-2);
        }

        .fan-user {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }

        .fan-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(46, 230, 125, 0.15);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
        }

        .fan-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        .fan-comment {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .fan-like {
            font-size: 12px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 8px;
        }

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

        .faq-item {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            border: none;
            background: transparent;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(46, 230, 125, 0.05);
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition);
        }

        .faq-arrow::before,
        .faq-arrow::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            background: var(--accent);
            border-radius: 2px;
            transition: transform var(--transition);
        }
        .faq-arrow::before {
            width: 12px;
            height: 2px;
            transform: translate(-50%, -50%);
        }
        .faq-arrow::after {
            width: 2px;
            height: 12px;
            transform: translate(-50%, -50%);
        }

        .faq-item.open .faq-arrow::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

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

        /* CTA banner */
        .cta-banner {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(46, 230, 125, 0.1) 0%, rgba(255, 138, 61, 0.06) 40%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* subscription */
        .subscribe-wrap {
            max-width: 500px;
            margin: 24px auto 0;
            display: flex;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .subscribe-input {
            flex: 1;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            background: rgba(11, 31, 22, 0.6);
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 14px;
            transition: border-color var(--transition);
        }

        .subscribe-input::placeholder {
            color: var(--text-weak);
        }
        .subscribe-input:focus {
            border-color: var(--accent);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-weak);
            padding: 6px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }

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

        .footer-bottom a {
            color: var(--text-weak);
            text-decoration: underline;
            margin-left: 12px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 48px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .focus-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rank-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .expert-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 32px;
                --header-height: 56px;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: flex;
            }
            .hero {
                padding: calc(var(--header-height) + 24px) 0 32px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .quick-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .focus-grid {
                grid-template-columns: 1fr;
            }
            .video-grid {
                grid-template-columns: 1fr;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .rank-grid {
                grid-template-columns: 1fr;
            }
            .expert-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .subscribe-wrap {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .live-row {
                padding: 12px 16px;
                gap: 10px;
            }
            .live-row-time {
                font-size: 15px;
                min-width: 40px;
            }
            .schedule-row {
                padding: 12px 16px;
                gap: 10px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 22px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .quick-grid {
                grid-template-columns: 1fr 1fr;
            }
            .live-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .live-row-status {
                align-self: flex-start;
            }
            .focus-cover {
                height: 140px;
            }
            .section-title {
                font-size: 20px;
            }
            .brand-text h2 {
                font-size: 20px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B1F16;
            --primary-2: #102A1E;
            --primary-3: #143526;
            --accent: #2FE67D;
            --accent-bright: #4CFA96;
            --warm: #FF8A3D;
            --text-main: #F5F8F6;
            --text-secondary: #C2D1CA;
            --text-weak: #7E9389;
            --border: rgba(46, 230, 125, 0.18);
            --border-hover: rgba(46, 230, 125, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --max-width: 1200px;
            --header-height: 64px;
            --section-pad: 64px;
            --transition: 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--primary);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-bright);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 31, 22, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: radial-gradient(circle at 30% 30%, var(--accent-bright), var(--accent) 60%, #1a8f4f);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            position: relative;
        }
        .logo-icon::after {
            content: "";
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            top: 8px;
            left: 14px;
            opacity: 0.5;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(11, 31, 22, 0.98);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            z-index: 999;
            padding: 12px 24px 24px;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: color var(--transition), background-color var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }

        /* ========== Hero / Category Header ========== */
        .category-header {
            margin-top: var(--header-height);
            padding: 56px 0 32px;
            background: linear-gradient(180deg, var(--primary-2) 0%, var(--primary) 100%);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .category-header::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(46, 230, 125, 0.12) 0%, rgba(255, 138, 61, 0.06) 45%, transparent 70%);
            pointer-events: none;
        }
        .category-header h1 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            color: var(--text-main);
            position: relative;
            z-index: 1;
        }
        .category-header .category-summary {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .breadcrumb-bar a {
            color: var(--text-weak);
            transition: color var(--transition);
        }
        .breadcrumb-bar a:hover {
            color: var(--accent);
        }
        .breadcrumb-bar .sep {
            color: var(--text-weak);
            opacity: 0.6;
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-alt {
            background-color: var(--primary-2);
        }
        .section-title {
            font-size: 22px;
            font-weight: 650;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            position: relative;
            padding-left: 14px;
            color: var(--text-main);
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ========== Buttons ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: background-color var(--transition), transform var(--transition);
            border: none;
        }
        .btn-primary:hover {
            background: var(--accent-bright);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            font-weight: 500;
            font-size: 14px;
            transition: background-color var(--transition), color var(--transition);
        }
        .btn-outline:hover {
            background: rgba(46, 230, 125, 0.1);
            color: var(--accent-bright);
        }
        .btn-warm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: var(--warm);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: background-color var(--transition), transform var(--transition);
            border: none;
            animation: pulse-warm 2.4s ease-in-out infinite;
        }
        .btn-warm:hover {
            background: #FF9C5C;
            color: #fff;
            transform: translateY(-1px);
        }
        @keyframes pulse-warm {
            0%, 100% { box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.35); }
            50% { box-shadow: 0 0 0 8px rgba(255, 138, 61, 0); }
        }

        /* ========== Tag / Filter Bar ========== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .filter-tags li a,
        .filter-tags li span {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--primary-3);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: default;
        }
        .filter-tags li a:hover {
            color: var(--accent);
            border-color: var(--accent);
        }
        .filter-tags li .active-tag {
            color: var(--primary);
            background: var(--accent);
            border-color: var(--accent);
            font-weight: 600;
        }

        /* ========== Cards ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .match-card {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-2px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .match-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .match-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .match-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .match-card .card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .match-card .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
            margin-bottom: 10px;
            width: fit-content;
        }
        .tag-live {
            background: rgba(255, 138, 61, 0.15);
            color: var(--warm);
        }
        .tag-upcoming {
            background: rgba(46, 230, 125, 0.12);
            color: var(--accent);
        }
        .tag-finished {
            background: rgba(126, 147, 137, 0.15);
            color: var(--text-weak);
        }
        .match-card .card-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
            line-height: 1.5;
        }
        .match-card .card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .match-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-weak);
            margin-top: auto;
        }
        .match-card .card-meta .time {
            font-family: var(--font-num);
            font-weight: 600;
        }

        /* ========== Stat Board ========== */
        .stat-board {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
        }
        .stat-board .stat-header {
            padding: 16px 20px;
            background: rgba(46, 230, 125, 0.06);
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .stat-board .stat-header span {
            font-size: 12px;
            color: var(--text-weak);
            font-weight: 400;
        }
        .stat-row {
            display: grid;
            grid-template-columns: 48px 1fr 1fr 80px;
            align-items: center;
            padding: 12px 20px;
            border-bottom: 1px solid rgba(46, 230, 125, 0.06);
            font-size: 13px;
            transition: background-color var(--transition);
        }
        .stat-row:last-child {
            border-bottom: none;
        }
        .stat-row:hover {
            background: rgba(46, 230, 125, 0.04);
        }
        .stat-row .rank {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 16px;
            color: var(--accent);
        }
        .stat-row .player-name {
            color: var(--text-main);
            font-weight: 500;
        }
        .stat-row .team-name {
            color: var(--text-secondary);
        }
        .stat-row .stat-val {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
            text-align: right;
        }

        /* ========== Hot Picks ========== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .hot-card {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 18px;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .hot-card:hover {
            transform: translateY(-2px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .hot-card .hot-label {
            font-size: 11px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .hot-card .hot-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .hot-card .hot-desc {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== Topic Cards ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 22px;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-2px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .topic-card .topic-icon {
            font-size: 28px;
            margin-bottom: 12px;
        }
        .topic-card .topic-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .topic-card .topic-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .topic-card .topic-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--accent);
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: transparent;
            transition: background-color var(--transition);
        }
        .faq-item .faq-question:hover {
            background: rgba(46, 230, 125, 0.04);
        }
        .faq-item .faq-question .arrow {
            font-size: 12px;
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-item .faq-answer p {
            margin: 0;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h3 .logo-icon {
            width: 24px;
            height: 24px;
            font-size: 13px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-weak);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(46, 230, 125, 0.08);
            font-size: 12px;
            color: var(--text-weak);
        }
        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: var(--text-weak);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-pad: 32px;
                --header-height: 56px;
            }
            .category-header {
                padding: 40px 0 24px;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .stat-row {
                grid-template-columns: 36px 1fr 1fr 60px;
                padding: 10px 14px;
                font-size: 12px;
            }
            .stat-row .stat-val {
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: 28px 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .btn-primary,
            .btn-outline,
            .btn-warm {
                padding: 9px 16px;
                font-size: 13px;
            }
            .card-grid {
                gap: 14px;
            }
            .topic-grid {
                gap: 14px;
            }
            .stat-row {
                grid-template-columns: 32px 1fr 1fr 52px;
                padding: 8px 10px;
                font-size: 11px;
                gap: 4px;
            }
            .stat-row .stat-val {
                font-size: 14px;
            }
            .stat-row .rank {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0B1F16;
            --primary-2: #102A1E;
            --primary-3: #143526;
            --accent: #2FE67D;
            --accent-bright: #4CFA96;
            --warm: #FF8A3D;
            --text-main: #F5F8F6;
            --text-secondary: #C2D1CA;
            --text-weak: #7E9389;
            --border: rgba(46, 230, 125, 0.18);
            --border-hover: rgba(46, 230, 125, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --max-width: 1200px;
            --header-height: 64px;
            --section-pad: 64px;
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--primary);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: var(--header-height);
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        button {
            cursor: pointer;
            background: none;
            color: inherit;
        }

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

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

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 31, 22, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: radial-gradient(circle at 30% 30%, var(--accent-bright), var(--accent) 60%, #1a8f4f);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            position: relative;
        }

        .logo-icon::after {
            content: "";
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            top: 8px;
            left: 14px;
            opacity: 0.5;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(11, 31, 22, 0.98);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            z-index: 999;
            padding: 12px 24px 24px;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

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

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: color var(--transition), background-color var(--transition);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            padding: 48px 0 40px;
            background: var(--primary-2);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(46, 230, 125, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: -140px;
            left: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 138, 61, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            color: var(--text-main);
            line-height: 1.3;
        }

        .category-hero p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 16px;
        }

        .category-hero .hero-meta span {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-hero .hero-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            flex-shrink: 0;
        }

        /* Filter tags */
        .filter-bar {
            padding: 20px 0;
            background: var(--primary);
            border-bottom: 1px solid var(--border);
        }

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

        .filter-bar .filter-label {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 500;
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--primary-3);
            border: 1px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .filter-tag:hover,
        .filter-tag.active {
            color: var(--accent);
            border-color: var(--border-hover);
            background: rgba(46, 230, 125, 0.08);
        }

        /* Section common */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-alt {
            background: var(--primary-2);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 22px;
            font-weight: 650;
            color: var(--text-main);
            letter-spacing: 0.3px;
            padding-left: 14px;
            position: relative;
            line-height: 1.4;
        }

        .section-header h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            border-radius: 2px;
            background: var(--accent);
        }

        .section-header .section-link {
            font-size: 14px;
            color: var(--accent);
            font-weight: 500;
            white-space: nowrap;
        }

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

        /* Match list row style */
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .match-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .match-row:hover {
            transform: translateY(-2px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }

        .match-time {
            flex-shrink: 0;
            min-width: 80px;
            text-align: center;
        }

        .match-time .time {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            display: block;
            letter-spacing: 0.5px;
        }

        .match-time .date-label {
            font-size: 12px;
            color: var(--text-weak);
            display: block;
            margin-top: 2px;
        }

        .match-league {
            flex-shrink: 0;
            min-width: 60px;
            text-align: center;
        }

        .match-league span {
            font-size: 12px;
            font-weight: 500;
            color: var(--accent);
            background: rgba(46, 230, 125, 0.1);
            padding: 3px 10px;
            border-radius: 4px;
            display: inline-block;
        }

        .match-teams {
            flex: 1;
            min-width: 0;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .match-team {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
        }

        .team-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .team-dot.red {
            background: #E5484D;
        }

        .team-dot.blue {
            background: #4C7DFF;
        }

        .team-dot.white {
            background: #D9D9D9;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .team-dot.yellow {
            background: #F5C542;
        }

        .match-vs {
            font-family: var(--font-num);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-weak);
            flex-shrink: 0;
        }

        .match-score {
            flex-shrink: 0;
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            min-width: 70px;
            text-align: center;
            letter-spacing: 1px;
        }

        .match-status {
            flex-shrink: 0;
            min-width: 70px;
            text-align: center;
        }

        .status-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

        .status-badge.live {
            background: var(--warm);
            color: #fff;
            animation: pulse-badge 2s infinite ease-in-out;
        }

        .status-badge.upcoming {
            background: rgba(46, 230, 125, 0.15);
            color: var(--accent);
            border: 1px solid var(--border);
        }

        .status-badge.finished {
            background: rgba(126, 147, 137, 0.2);
            color: var(--text-weak);
            border: 1px solid transparent;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.3);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(255, 138, 61, 0);
            }
        }

        /* Focus match cards */
        .focus-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 20px;
        }

        .focus-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--primary-3);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            min-height: 200px;
            display: flex;
            flex-direction: column;
        }

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

        .focus-card .focus-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .focus-card .focus-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 31, 22, 0.85) 0%, rgba(11, 31, 22, 0.4) 60%, rgba(11, 31, 22, 0.75) 100%);
            z-index: 1;
        }

        .focus-card .focus-content {
            position: relative;
            z-index: 2;
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .focus-card .focus-league {
            font-size: 12px;
            font-weight: 600;
            color: var(--warm);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .focus-card .focus-teams {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .focus-card .focus-info {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: auto;
        }

        .focus-card .focus-time {
            font-family: var(--font-num);
            font-size: 15px;
            font-weight: 600;
            color: var(--accent);
            margin-top: 12px;
        }

        /* Data section */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .data-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: transform var(--transition), border-color var(--transition);
        }

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

        .data-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }

        .data-row {
            display: flex;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid rgba(46, 230, 125, 0.06);
        }

        .data-row:last-child {
            border-bottom: none;
        }

        .data-rank {
            font-family: var(--font-num);
            font-size: 15px;
            font-weight: 700;
            color: var(--text-weak);
            min-width: 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .data-rank.top1 {
            color: var(--warm);
            font-size: 17px;
        }

        .data-rank.top2 {
            color: var(--accent);
            font-size: 16px;
        }

        .data-rank.top3 {
            color: #D4A96A;
            font-size: 16px;
        }

        .data-player {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 0 12px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .data-team {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 0 12px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .data-value {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
            min-width: 40px;
            text-align: right;
        }

        .data-note {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 10px;
            line-height: 1.6;
        }

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

        .topic-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .topic-card .topic-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--primary-2);
            position: relative;
        }

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

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

        .topic-card .topic-body {
            padding: 16px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .topic-card .topic-desc {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .topic-card .topic-meta {
            font-size: 12px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .topic-card .topic-meta .tag {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.1);
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition);
        }

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

        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
            line-height: 1.6;
        }

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

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

        .faq-item summary .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-weak);
            transition: transform var(--transition), color var(--transition), border-color var(--transition);
        }

        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
            border-color: var(--border-hover);
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-bright);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
        }

        .btn-secondary:hover {
            background: rgba(46, 230, 125, 0.1);
            color: var(--accent-bright);
            border-color: var(--accent-bright);
        }

        .btn-warm {
            background: var(--warm);
            color: #fff;
        }

        .btn-warm:hover {
            background: #FF9B55;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        /* More button container */
        .more-wrap {
            display: flex;
            justify-content: flex-end;
            margin-top: 20px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-2);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 0;
        }

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

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand h3 .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 14px;
            border-radius: 6px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-weak);
            padding: 4px 0;
            transition: color var(--transition);
        }

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

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

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: var(--text-weak);
            font-size: 12px;
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 48px;
            }

            .category-hero h1 {
                font-size: 30px;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-pad: 32px;
                --header-height: 56px;
            }

            body {
                padding-top: var(--header-height);
                font-size: 14px;
            }

            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .category-hero {
                padding: 32px 0 28px;
            }

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

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

            .match-row {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }

            .match-time {
                min-width: 60px;
            }

            .match-time .time {
                font-size: 17px;
            }

            .match-league {
                min-width: 50px;
            }

            .match-teams {
                flex: 1 1 100%;
                order: 4;
                justify-content: center;
                padding: 4px 0;
            }

            .match-score {
                font-size: 22px;
                min-width: 56px;
            }

            .match-status {
                min-width: auto;
            }

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

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

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

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

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

            .section-header h2 {
                font-size: 19px;
            }

            .more-wrap {
                justify-content: center;
            }
        }

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

            .category-hero h1 {
                font-size: 21px;
            }

            .match-row {
                padding: 12px 14px;
            }

            .match-time .time {
                font-size: 16px;
            }

            .match-score {
                font-size: 20px;
                min-width: 48px;
            }

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

            .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B1F16;
            --primary-2: #102A1E;
            --primary-3: #143526;
            --accent: #2FE67D;
            --accent-bright: #4CFA96;
            --warm: #FF8A3D;
            --text-main: #F5F8F6;
            --text-secondary: #C2D1CA;
            --text-weak: #7E9389;
            --border: rgba(46, 230, 125, 0.18);
            --border-hover: rgba(46, 230, 125, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --max-width: 1200px;
            --header-height: 64px;
            --section-pad: 64px;
            --transition: 0.2s ease;
        }

        @media (max-width: 1199px) {
            :root {
                --section-pad: 48px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-pad: 32px;
                --header-height: 56px;
            }
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--primary);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: var(--header-height);
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        button {
            cursor: pointer;
            background: none;
            color: inherit;
        }

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

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

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 31, 22, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: radial-gradient(circle at 30% 30%, var(--accent-bright), var(--accent) 60%, #1a8f4f);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            position: relative;
        }

        .logo-icon::after {
            content: "";
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            top: 8px;
            left: 14px;
            opacity: 0.5;
        }

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

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

        .main-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 13px;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(11, 31, 22, 0.98);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            z-index: 999;
            padding: 12px 24px 24px;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

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

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: color var(--transition), background-color var(--transition);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            padding: 24px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li+li::before {
            content: "/";
            color: var(--text-weak);
            font-size: 12px;
        }

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

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

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

        /* ========== Page Hero (Category) ========== */
        .page-hero {
            padding: 40px 0 32px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
            background:
                radial-gradient(ellipse at 80% 20%, rgba(46, 230, 125, 0.08), transparent 55%),
                radial-gradient(ellipse at 10% 80%, rgba(255, 138, 61, 0.06), transparent 50%),
                var(--primary);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(46, 230, 125, 0.1), transparent 70%);
            pointer-events: none;
        }

        .page-hero-inner {
            display: flex;
            align-items: flex-start;
            gap: 40px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .page-hero-text {
            flex: 1 1 560px;
            min-width: 0;
        }

        .page-hero-text .kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 10px;
            padding: 4px 12px;
            border: 1px solid var(--border);
            border-radius: 20px;
            background: rgba(46, 230, 125, 0.06);
        }

        .page-hero-text h1 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            color: var(--text-main);
            line-height: 1.3;
        }

        .page-hero-text .summary {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 680px;
        }

        .page-hero-stats {
            flex: 0 0 240px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding-top: 8px;
        }

        .hero-stat-card {
            background: var(--primary-2);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            text-align: center;
            transition: border-color var(--transition), transform var(--transition);
        }

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

        .hero-stat-card .stat-num {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat-card .stat-label {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ========== Filter Tags ========== */
        .filter-section {
            padding: 24px 0 8px;
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .filter-tags .filter-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-right: 4px;
            font-weight: 500;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--primary-2);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
            user-select: none;
        }

        .filter-tag:hover {
            color: var(--accent);
            border-color: var(--border-hover);
            background: rgba(46, 230, 125, 0.08);
        }

        .filter-tag.active {
            color: var(--primary);
            background: var(--accent);
            border-color: var(--accent);
            font-weight: 600;
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-alt {
            background: var(--primary-2);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 22px;
            font-weight: 650;
            color: var(--text-main);
            letter-spacing: 0.5px;
            position: relative;
            padding-left: 14px;
            line-height: 1.4;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

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

        .section-more:hover {
            color: var(--accent);
        }

        /* ========== Grouped Match List ========== */
        .group-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .match-group {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 20px 22px;
            transition: border-color var(--transition);
        }

        .match-group:hover {
            border-color: var(--border-hover);
        }

        .match-group-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .match-group-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .match-group-title .group-emoji {
            font-size: 20px;
        }

        .match-group-tag {
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 12px;
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
            border: 1px solid var(--border);
        }

        .match-row {
            display: grid;
            grid-template-columns: 80px 1fr 110px 100px;
            gap: 12px;
            align-items: center;
            padding: 12px 0;
            border-top: 1px solid rgba(46, 230, 125, 0.08);
            transition: background-color var(--transition);
        }

        .match-row:first-of-type {
            border-top: none;
        }

        .match-row:hover {
            background: rgba(46, 230, 125, 0.04);
            border-radius: 4px;
        }

        .match-time {
            font-family: var(--font-num);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }

        .match-teams {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .team-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .team-dot.orange {
            background: var(--warm);
        }

        .team-dot.blue {
            background: #5B8DEF;
        }

        .team-dot.purple {
            background: #B47AEA;
        }

        .match-score {
            font-family: var(--font-num);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            text-align: center;
            letter-spacing: 0.5px;
        }

        .match-score .vs {
            color: var(--text-weak);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
        }

        .match-status {
            text-align: right;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .status-badge.live {
            background: var(--warm);
            color: #fff;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.45);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(255, 138, 61, 0);
            }
        }

        .status-badge.upcoming {
            background: rgba(46, 230, 125, 0.12);
            color: var(--accent);
            border: 1px solid var(--border);
        }

        .status-badge.ended {
            background: rgba(126, 147, 137, 0.18);
            color: var(--text-weak);
        }

        .btn-watch {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent);
            transition: background-color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-watch:hover {
            background: var(--accent-bright);
            color: var(--primary);
            transform: translateY(-1px);
        }

        /* ========== Hot Ranking Cards ========== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .hot-card {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .hot-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .hot-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hot-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-card-meta {
            font-size: 12px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: auto;
        }

        .hot-card-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-weak);
        }

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

        .data-card {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 20px;
            text-align: center;
            transition: border-color var(--transition), transform var(--transition);
        }

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

        .data-card .data-num {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .data-card .data-num.warm {
            color: var(--warm);
        }

        .data-card .data-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            line-height: 1.5;
        }

        /* ========== Topic Cards ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--primary-3);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .topic-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .topic-card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .topic-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
        }

        .topic-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .faq-item {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition);
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: transparent;
            transition: color var(--transition), background-color var(--transition);
        }

        .faq-question:hover {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.04);
        }

        .faq-toggle-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-weak);
            transition: transform var(--transition), color var(--transition);
        }

        .faq-item.open .faq-toggle-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }

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

        .faq-answer p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-secondary);
            border-top: 1px solid rgba(46, 230, 125, 0.1);
            padding-top: 14px;
        }

        /* ========== View More ========== */
        .view-more-wrap {
            display: flex;
            justify-content: center;
            padding: 28px 0 0;
        }

        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            background: transparent;
            border: 1px solid var(--border-hover);
            transition: background-color var(--transition), color var(--transition), border-color var(--transition);
        }

        .btn-view-more:hover {
            background: rgba(46, 230, 125, 0.1);
            color: var(--accent-bright);
            border-color: var(--accent);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.75;
            color: var(--text-weak);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition);
        }

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

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

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

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

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

        /* ========== Responsive ========== */
        @media (max-width: 1199px) {
            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }

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

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

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

        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .match-row {
                grid-template-columns: 70px 1fr 90px;
                gap: 8px;
            }

            .match-status {
                grid-column: 3;
                grid-row: 1;
            }

            .match-score {
                grid-column: 3;
                grid-row: 2;
                text-align: left;
            }

            .match-teams {
                grid-column: 2;
                grid-row: 1 / span 2;
                align-self: center;
            }

            .match-time {
                grid-column: 1;
                grid-row: 1 / span 2;
                align-self: center;
            }

            .page-hero-inner {
                flex-direction: column;
                gap: 20px;
            }

            .page-hero-stats {
                flex: 0 1 auto;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 10px;
            }

            .hero-stat-card {
                flex: 1 1 120px;
                min-width: 100px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }

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

            .page-hero-text .summary {
                font-size: 14px;
            }

            .section-title {
                font-size: 19px;
            }

            .match-group {
                padding: 16px;
            }

            .match-row {
                grid-template-columns: 60px 1fr;
                gap: 6px;
                padding: 10px 0;
            }

            .match-time {
                grid-column: 1;
                grid-row: 1;
                font-size: 13px;
            }

            .match-teams {
                grid-column: 2;
                grid-row: 1;
                font-size: 13px;
                gap: 5px;
            }

            .match-score {
                grid-column: 1 / span 2;
                grid-row: 2;
                text-align: left;
                font-size: 15px;
                padding-left: 4px;
            }

            .match-status {
                grid-column: 1 / span 2;
                grid-row: 3;
                text-align: left;
            }

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

            .data-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

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

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

            .footer-brand {
                grid-column: 1 / -1;
            }

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

            .match-group-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .filter-tags {
                gap: 6px;
            }

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

        @media (max-width: 430px) {
            .data-cards {
                grid-template-columns: 1fr;
            }

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

            .match-score {
                font-size: 14px;
            }

            .page-hero-text h1 {
                font-size: 23px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0B1F16;
            --primary-2: #102A1E;
            --primary-3: #143526;
            --accent: #2FE67D;
            --accent-bright: #4CFA96;
            --warm: #FF8A3D;
            --text-main: #F5F8F6;
            --text-secondary: #C2D1CA;
            --text-weak: #7E9389;
            --border: rgba(46, 230, 125, 0.18);
            --border-hover: rgba(46, 230, 125, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "DIN Alternate", "Barlow Condensed", "Oswald", sans-serif;
            --max-width: 1200px;
            --header-height: 64px;
            --section-pad: 64px;
            --transition: 0.2s ease;
        }

        @media (max-width: 991.98px) {
            :root {
                --section-pad: 48px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-pad: 32px;
                --header-height: 56px;
            }
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--primary);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        button {
            cursor: pointer;
            background: none;
            color: inherit;
        }

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

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

        /* header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 31, 22, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: radial-gradient(circle at 30% 30%, var(--accent-bright), var(--accent) 60%, #1a8f4f);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            position: relative;
        }

        .logo-icon::after {
            content: "";
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            top: 8px;
            left: 14px;
            opacity: 0.5;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(11, 31, 22, 0.98);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            z-index: 999;
            padding: 12px 24px 24px;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

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

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: background-color var(--transition), color var(--transition);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--accent);
            background: rgba(46, 230, 125, 0.08);
        }

        /* page header (分类页首屏) */
        .page-header {
            padding: calc(var(--header-height) + 48px) 0 32px;
            border-bottom: 1px solid var(--border);
            background:
                radial-gradient(ellipse at 80% 20%, rgba(255, 138, 61, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(46, 230, 125, 0.04) 0%, transparent 55%),
                var(--primary);
        }

        .page-header .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .page-header .breadcrumb-nav a {
            color: var(--text-weak);
            transition: color var(--transition);
        }

        .page-header .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        .page-header .breadcrumb-nav .separator {
            color: var(--text-weak);
            opacity: 0.5;
        }

        .page-header .breadcrumb-nav .current {
            color: var(--accent);
        }

        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .page-header .header-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 780px;
            margin-bottom: 0;
        }

        /* section common */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-alt {
            background: var(--primary-2);
        }

        .section-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }

        .section-title::before {
            content: "";
            display: inline-block;
            width: 3px;
            height: 22px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }

        /* filter tag bar */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 8px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border);
            background: transparent;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--border-hover);
            color: var(--text-main);
        }

        .filter-tag.active {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
            font-weight: 600;
        }

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

        .video-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .video-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

        .video-card:hover .video-thumb img {
            transform: scale(1.03);
        }

        .video-thumb .duration-tag {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(11, 31, 22, 0.85);
            color: var(--text-main);
            font-family: var(--font-num);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }

        .video-thumb .play-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            opacity: 0;
            transition: opacity var(--transition);
            pointer-events: none;
        }

        .video-card:hover .play-overlay {
            opacity: 1;
        }

        .video-info {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .video-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .video-tag {
            font-size: 12px;
            color: var(--accent);
            border: 1px solid var(--border);
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        .video-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
            min-height: 48px;
        }

        .video-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .video-meta .views {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .video-meta .views::before {
            content: "▶";
            font-size: 9px;
            color: var(--text-weak);
        }

        .video-meta .time {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .video-meta .time::before {
            content: "🕐";
            font-size: 12px;
        }

        /* featured highlight banner */
        .featured-highlight {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            background: var(--primary-3);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px;
            align-items: center;
        }

        .featured-highlight .featured-thumb {
            flex: 0 0 320px;
            max-width: 320px;
            aspect-ratio: 16 / 9;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .featured-highlight .featured-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-highlight .featured-content {
            flex: 1;
            min-width: 250px;
        }

        .featured-highlight .featured-badge {
            display: inline-block;
            background: var(--warm);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .featured-highlight .featured-title {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .featured-highlight .featured-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

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

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            transition: border-color var(--transition), background-color var(--transition);
        }

        .ranking-item:hover {
            border-color: var(--border-hover);
            background: var(--primary-2);
        }

        .ranking-index {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-weak);
            width: 36px;
            flex-shrink: 0;
            text-align: center;
        }

        .ranking-item:nth-child(1) .ranking-index {
            color: var(--warm);
        }

        .ranking-item:nth-child(2) .ranking-index {
            color: var(--accent);
        }

        .ranking-item:nth-child(3) .ranking-index {
            color: #C9A86A;
        }

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

        .ranking-info .ranking-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-info .ranking-detail {
            font-size: 13px;
            color: var(--text-weak);
        }

        .ranking-value {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
        }

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

        .data-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: border-color var(--transition), transform var(--transition);
        }

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

        .data-card .data-number {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent);
            display: block;
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .data-card .data-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

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

        .topic-card {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

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

        .topic-card .topic-icon {
            font-size: 28px;
            margin-bottom: 12px;
            display: block;
        }

        .topic-card .topic-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .topic-card .topic-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* button styles */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--accent);
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            transition: background-color var(--transition), transform var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-primary-custom:hover {
            background: var(--accent-bright);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: transparent;
            color: var(--accent);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent);
            transition: background-color var(--transition), color var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-outline-custom:hover {
            background: rgba(46, 230, 125, 0.1);
            color: var(--accent-bright);
            border-color: var(--accent-bright);
        }

        .btn-warm-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--warm);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            transition: background-color var(--transition), transform var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-warm-custom:hover {
            background: #FF9D5C;
            color: #fff;
            transform: translateY(-1px);
        }

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

        .faq-item {
            background: var(--primary-3);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.6;
            gap: 16px;
            background: transparent;
            transition: background-color var(--transition);
        }

        .faq-question:hover {
            background: rgba(46, 230, 125, 0.04);
        }

        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform var(--transition);
            display: inline-block;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

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

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* footer */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .footer-brand h3 .logo-icon {
            width: 30px;
            height: 30px;
            font-size: 16px;
            border-radius: 7px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            font-size: 13px;
            color: var(--text-weak);
        }

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

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

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

        /* responsive */
        @media (max-width: 991.98px) {
            .main-nav {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
            }
            .main-nav::-webkit-scrollbar {
                display: none;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-overview {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .page-header {
                padding: calc(var(--header-height) + 28px) 0 24px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .page-header .header-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 19px;
            }
            .video-grid {
                grid-template-columns: 1fr;
            }
            .featured-highlight {
                padding: 18px;
                gap: 18px;
            }
            .featured-highlight .featured-thumb {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .data-overview {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .data-overview {
                grid-template-columns: 1fr;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

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