/* roulang page: index */
:root {
        --primary: #12D6A4;
        --primary-strong: #0A9972;
        --accent: #FF5A36;
        --score: #FFC247;
        --bg: #F4F7F8;
        --surface: #FFFFFF;
        --dark: #0E1418;
        --dark-2: #151C22;
        --ink: #161E24;
        --muted: #60717D;
        --line: #DDE5E9;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 22px;
        --radius-btn: 999px;
        --shadow-sm: 0 2px 8px rgba(14,20,24,.06);
        --shadow-md: 0 12px 30px rgba(14,20,24,.10);
        --shadow-lg: 0 20px 48px rgba(14,20,24,.16);
        --section-pad: 72px 0;
        --font-cn: "PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
        --font-num: "DIN Alternate","Oswald","Roboto Condensed",sans-serif;
        --font-mono: "SFMono-Regular",Consolas,monospace;
      }
      * {
        box-sizing: border-box;
      }
      html {
        scroll-behavior: smooth;
      }
      body {
        font-family: var(--font-cn);
        background-color: var(--bg);
        color: var(--ink);
        line-height: 1.6;
        margin: 0;
        -webkit-font-smoothing: antialiased;
      }
      a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease, background-color .2s ease, border-color .2s ease;
      }
      img {
        max-width: 100%;
        display: block;
      }
      button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
      }
      .container {
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 20px;
        padding-right: 20px;
      }
      .font-num {
        font-family: var(--font-num);
        font-variant-numeric: tabular-nums;
      }
      .section {
        padding: var(--section-pad);
      }
      @media (min-width: 1024px) {
        .section {
          padding: 104px 0;
        }
      }
      @media (max-width: 640px) {
        .section {
          padding: 48px 0;
        }
      }
      .bg-dark-section {
        background-color: var(--dark);
        color: #fff;
      }
      .bg-dark-2-section {
        background-color: var(--dark-2);
        color: #fff;
      }
      .bg-light-section {
        background-color: var(--bg);
      }
      .bg-surface-section {
        background-color: var(--surface);
      }
      .hero-text-shadow {
        text-shadow: 0 4px 20px rgba(0,0,0,.45);
      }
      .speed-line-bg {
        background-image: 
          linear-gradient(120deg, rgba(18,214,164,.08) 0%, rgba(18,214,164,.02) 30%, transparent 60%),
          repeating-linear-gradient(145deg, rgba(255,255,255,.04) 0px, rgba(255,255,255,.04) 1px, transparent 1px, transparent 12px);
      }
      .nav-link {
        position: relative;
        padding: 6px 0;
        font-size: 14px;
        font-weight: 500;
        color: #33424e;
        transition: color .2s ease;
      }
      .nav-link:hover {
        color: var(--primary-strong);
      }
      .nav-link.active {
        color: var(--primary-strong);
        font-weight: 600;
      }
      .nav-link.active::after {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 2px;
        background-color: var(--primary);
        border-radius: 2px;
      }
      .btn-primary {
        background-color: var(--primary);
        color: var(--dark);
        font-weight: 600;
        border-radius: var(--radius-btn);
        padding: 12px 24px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
        border: none;
        cursor: pointer;
      }
      .btn-primary:hover {
        background-color: var(--primary-strong);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
      }
      .btn-primary:active {
        transform: translateY(0);
        box-shadow: var(--shadow-sm);
      }
      .btn-primary:focus-visible {
        outline: 2px solid var(--primary-strong);
        outline-offset: 2px;
      }
      .btn-outline {
        background-color: transparent;
        border: 1px solid var(--line);
        color: var(--ink);
        font-weight: 500;
        border-radius: var(--radius-btn);
        padding: 12px 24px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        transition: background-color .2s ease, border-color .2s ease, color .2s ease;
        cursor: pointer;
      }
      .btn-outline:hover {
        background-color: rgba(18,214,164,.08);
        border-color: var(--primary);
        color: var(--primary-strong);
      }
      .btn-outline:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
      }
      .btn-white {
        background-color: #fff;
        color: var(--dark);
        font-weight: 600;
        border-radius: var(--radius-btn);
        padding: 12px 24px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        transition: background-color .2s ease, transform .2s ease;
        cursor: pointer;
        border: none;
      }
      .btn-white:hover {
        background-color: #e6f7f2;
        transform: translateY(-2px);
      }
      .badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        border-radius: 999px;
        padding: 4px 12px;
        font-size: 12px;
        font-weight: 600;
        white-space: nowrap;
      }
      .badge-live {
        background-color: var(--accent);
        color: #fff;
      }
      .badge-finished {
        background-color: var(--primary-strong);
        color: #fff;
      }
      .badge-upcoming {
        background-color: #94a3b8;
        color: #fff;
      }
      .card {
        background-color: var(--surface);
        border-radius: var(--radius-md);
        border: 1px solid var(--line);
        box-shadow: var(--shadow-sm);
        transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        overflow: hidden;
      }
      .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-color: var(--primary);
      }
      .data-card {
        background-color: var(--surface);
        border-radius: var(--radius-md);
        padding: 20px;
        border: 1px solid var(--line);
        transition: transform .25s ease, box-shadow .25s ease;
      }
      .data-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
      }
      .score-badge {
        background-color: var(--dark);
        color: var(--score);
        border-radius: var(--radius-sm);
        padding: 8px 16px;
        font-weight: 700;
      }
      .progress-bar {
        background-color: #e8edf0;
        border-radius: 999px;
        height: 8px;
        overflow: hidden;
      }
      .progress-fill {
        height: 100%;
        border-radius: 999px;
        background-color: var(--primary);
      }
      .progress-fill-accent {
        background-color: var(--accent);
      }
      .faq-item {
        border-bottom: 1px solid var(--line);
      }
      .faq-question {
        width: 100%;
        text-align: left;
        padding: 20px 16px;
        background: none;
        border: none;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--ink);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        transition: color .2s ease;
      }
      .faq-question:hover {
        color: var(--primary-strong);
      }
      .faq-question .faq-icon {
        transition: transform .25s ease;
        flex-shrink: 0;
      }
      .faq-item.open .faq-question .faq-icon {
        transform: rotate(180deg);
      }
      .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease, padding .3s ease;
        padding: 0 16px;
        color: var(--muted);
        font-size: 15px;
      }
      .faq-item.open .faq-answer {
        max-height: 200px;
        padding: 0 16px 20px;
      }
      .form-input {
        background-color: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius-sm);
        padding: 12px 16px;
        width: 100%;
        height: 48px;
        transition: border-color .2s ease, box-shadow .2s ease;
        color: var(--ink);
      }
      .form-input:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(18,214,164,.15);
      }
      .mobile-menu {
        display: none;
      }
      .mobile-menu.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow-md);
        padding: 16px 20px;
        gap: 8px;
      }
      .hamburger {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
      }
      @media (max-width: 1023px) {
        .desktop-nav {
          display: none;
        }
        .hamburger {
          display: block;
        }
      }
      .footer-link {
        color: #a8b3bc;
        transition: color .2s ease;
      }
      .footer-link:hover {
        color: var(--primary);
      }
      .ticker-item {
        flex-shrink: 0;
      }
      .scrollbar-hide::-webkit-scrollbar {
        display: none;
      }
      .scrollbar-hide {
        -ms-overflow-style: none;
        scrollbar-width: none;
      }

/* roulang page: category1 */
:root {
            --primary: #12D6A4;
            --primary-strong: #0A9972;
            --accent: #FF5A36;
            --score: #FFC247;
            --bg: #F4F7F8;
            --surface: #FFFFFF;
            --dark: #0E1418;
            --dark-2: #151C22;
            --ink: #161E24;
            --muted: #60717D;
            --line: #DDE5E9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-btn: 999px;
            --shadow-sm: 0 2px 8px rgba(14, 20, 24, .06);
            --shadow-md: 0 12px 30px rgba(14, 20, 24, .10);
            --shadow-lg: 0 20px 48px rgba(14, 20, 24, .16);
            --section-pad: 72px 0;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Oswald", "Roboto Condensed", sans-serif;
            --font-mono: "SFMono-Regular", Consolas, monospace;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background-color .2s ease, border-color .2s ease;
        }

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

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

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 48px 0;
            scroll-margin-top: 80px;
        }

        @media (min-width: 768px) {
            .section {
                padding: 72px 0;
            }
        }

        @media (min-width: 1024px) {
            .section {
                padding: 96px 0;
            }
        }

        .bg-dark-section {
            background-color: var(--dark);
            color: #fff;
        }

        .bg-dark-2-section {
            background-color: var(--dark-2);
            color: #fff;
        }

        .bg-light-section {
            background-color: var(--bg);
        }

        .bg-surface-section {
            background-color: var(--surface);
        }

        .hero-text-shadow {
            text-shadow: 0 4px 20px rgba(0, 0, 0, .45);
        }

        .nav-link {
            position: relative;
            padding: 6px 0;
            font-size: 14px;
            font-weight: 500;
            color: #33424e;
            transition: color .2s ease;
        }

        .nav-link:hover {
            color: var(--primary-strong);
        }

        .nav-link.active {
            color: var(--primary-strong);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background-color: var(--primary-strong);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary-strong);
            outline-offset: 2px;
        }

        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--line);
            color: var(--ink);
            font-weight: 500;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, border-color .2s ease, color .2s ease;
            cursor: pointer;
        }

        .btn-outline:hover {
            background-color: rgba(18, 214, 164, .08);
            border-color: var(--primary);
            color: var(--primary-strong);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-white {
            background-color: #fff;
            color: var(--dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, transform .2s ease;
            cursor: pointer;
            border: none;
        }

        .btn-white:hover {
            background-color: #e6f7f2;
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

        .badge-live {
            background-color: var(--accent);
            color: #fff;
        }

        .badge-finished {
            background-color: var(--primary-strong);
            color: #fff;
        }

        .badge-upcoming {
            background-color: #94a3b8;
            color: #fff;
        }

        .card {
            background-color: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .data-card {
            background-color: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--line);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .data-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .score-badge {
            background-color: var(--dark);
            color: var(--score);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-weight: 700;
            font-family: var(--font-num);
            font-size: 1.1rem;
        }

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

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            gap: 16px;
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
            border-radius: var(--radius-sm);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 0;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
        }

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

        .faq-icon {
            display: inline-block;
            transition: transform .3s ease;
            font-size: 14px;
            color: var(--muted);
            flex-shrink: 0;
        }

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

        .form-input {
            background-color: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            width: 100%;
            height: 48px;
            transition: border-color .2s ease, box-shadow .2s ease;
            outline: none;
            font-size: 15px;
        }

        .form-input::placeholder {
            color: rgba(255, 255, 255, .45);
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(18, 214, 164, .25);
        }

        .footer-link {
            color: #9ca3af;
            transition: color .2s ease;
        }

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

        .hamburger {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: none;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            width: 40px;
            height: 40px;
            cursor: pointer;
            transition: border-color .2s ease, color .2s ease;
        }

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

        .hamburger:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .desktop-nav {
            display: none;
        }

        .mobile-menu {
            display: none;
            background-color: #fff;
            border-top: 1px solid var(--line);
            padding: 16px 20px;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-md);
        }

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

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }

            .hamburger {
                display: none;
            }

            .mobile-menu {
                display: none !important;
            }
        }

        .stat-num {
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
        }

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

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

        .breadcrumb-sep {
            color: #b0bec5;
        }

        .filter-select {
            height: 44px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            background-color: var(--surface);
            color: var(--ink);
            font-size: 14px;
            cursor: pointer;
            transition: border-color .2s ease, box-shadow .2s ease;
            outline: none;
            min-width: 140px;
        }

        .filter-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(18, 214, 164, .15);
        }

        .filter-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            display: block;
            margin-bottom: 6px;
        }

        .rank-bar {
            height: 8px;
            border-radius: 999px;
            background-color: var(--line);
            overflow: hidden;
        }

        .rank-bar-fill {
            height: 100%;
            border-radius: 999px;
            transition: width .6s ease;
        }

        .tab-btn {
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            border: 1px solid transparent;
            background: none;
            color: var(--muted);
            transition: all .2s ease;
            white-space: nowrap;
        }

        .tab-btn:hover {
            color: var(--primary-strong);
        }

        .tab-btn.active {
            background-color: var(--primary);
            color: var(--dark);
            font-weight: 600;
            border-color: var(--primary);
        }

        .tab-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent);
            animation: pulse-dot 1.6s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .5;
                transform: scale(1.35);
            }
        }

        .trend-up {
            color: var(--primary-strong);
        }

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

        .match-row {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            gap: 12px;
            padding: 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            background-color: var(--surface);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .match-row:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .match-team {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--ink);
            text-align: center;
        }

        .match-center {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            min-width: 80px;
        }

        .match-score {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.02em;
        }

        .match-meta {
            font-size: 12px;
            color: var(--muted);
            margin-top: 8px;
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .progress-dual {
            display: flex;
            height: 8px;
            border-radius: 999px;
            overflow: hidden;
            background-color: var(--line);
        }

        .progress-dual-bar {
            height: 100%;
            transition: width .5s ease;
        }

        .article-thumb {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
        }

        .article-thumb-sm {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
        }

        .focus-card {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
            border-radius: var(--radius-lg);
            padding: 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .focus-card::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 60%;
            height: 180%;
            background: radial-gradient(circle, rgba(18, 214, 164, .12) 0%, transparent 65%);
            pointer-events: none;
        }

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

        .header-logo-icon {
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }

        .header-logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--dark);
            white-space: nowrap;
        }

        @media (min-width: 1024px) {
            .header-logo-text {
                font-size: 24px;
            }
        }

        .section-heading {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        @media (min-width: 768px) {
            .section-heading {
                font-size: 28px;
            }
        }

        .section-subheading {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 720px;
        }

        .dark-section .section-heading {
            color: #fff;
        }

        .dark-section .section-subheading {
            color: rgba(255, 255, 255, .7);
        }

/* roulang page: category2 */
:root {
            --primary: #12D6A4;
            --primary-strong: #0A9972;
            --accent: #FF5A36;
            --score: #FFC247;
            --bg: #F4F7F8;
            --surface: #FFFFFF;
            --dark: #0E1418;
            --dark-2: #151C22;
            --ink: #161E24;
            --muted: #60717D;
            --line: #DDE5E9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-btn: 999px;
            --shadow-sm: 0 2px 8px rgba(14, 20, 24, .06);
            --shadow-md: 0 12px 30px rgba(14, 20, 24, .10);
            --shadow-lg: 0 20px 48px rgba(14, 20, 24, .16);
            --section-pad: 72px 0;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Oswald", "Roboto Condensed", sans-serif;
            --font-mono: "SFMono-Regular", Consolas, monospace;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background-color .2s ease, border-color .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        @media (min-width: 1024px) {
            .section {
                padding: 104px 0;
            }
            .section-sm {
                padding: 56px 0;
            }
        }
        .bg-dark-section {
            background-color: var(--dark);
            color: #fff;
        }
        .bg-dark-2-section {
            background-color: var(--dark-2);
            color: #fff;
        }
        .bg-light-section {
            background-color: var(--bg);
        }
        .bg-surface-section {
            background-color: var(--surface);
        }
        .hero-text-shadow {
            text-shadow: 0 4px 20px rgba(0, 0, 0, .45);
        }
        .nav-link {
            position: relative;
            padding: 6px 0;
            font-size: 14px;
            font-weight: 500;
            color: #33424e;
            transition: color .2s ease;
        }
        .nav-link:hover {
            color: var(--primary-strong);
        }
        .nav-link.active {
            color: var(--primary-strong);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background-color: var(--primary-strong);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary-strong);
            outline-offset: 2px;
        }
        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--line);
            color: var(--ink);
            font-weight: 500;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, border-color .2s ease, color .2s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            background-color: rgba(18, 214, 164, .08);
            border-color: var(--primary);
            color: var(--primary-strong);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-white {
            background-color: #fff;
            color: var(--dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, transform .2s ease;
            cursor: pointer;
            border: none;
        }
        .btn-white:hover {
            background-color: #e6f7f2;
            transform: translateY(-2px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }
        .badge-live {
            background-color: var(--accent);
            color: #fff;
        }
        .badge-finished {
            background-color: var(--primary-strong);
            color: #fff;
        }
        .badge-upcoming {
            background-color: #94a3b8;
            color: #fff;
        }
        .card {
            background-color: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .data-card {
            background-color: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--line);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }
        .data-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .score-badge {
            background-color: var(--dark);
            color: var(--score);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-weight: 700;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
            transition: background-color .2s ease;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            padding: 18px 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            transition: color .2s ease;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary-strong);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 8px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 8px 18px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-icon {
            transition: transform .3s ease;
            flex-shrink: 0;
            color: var(--muted);
            font-size: 14px;
        }
        .footer-link {
            color: #9ca3af;
            transition: color .2s ease;
        }
        .footer-link:hover {
            color: var(--primary);
        }
        .desktop-nav {
            display: none;
        }
        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--ink);
            font-size: 1.5rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background-color .2s ease;
        }
        .hamburger:hover {
            background-color: rgba(18, 214, 164, .08);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background-color: #fff;
            border-bottom: 1px solid var(--line);
            padding: 16px 20px;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-md);
            z-index: 100;
        }
        .mobile-menu.open {
            display: flex;
        }
        .filter-btn {
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--line);
            background-color: var(--surface);
            color: var(--muted);
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary-strong);
            background-color: rgba(18, 214, 164, .06);
        }
        .filter-btn.active {
            background-color: var(--primary);
            color: var(--dark);
            border-color: var(--primary);
            font-weight: 600;
        }
        .filter-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .match-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            background-color: var(--surface);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            gap: 12px;
        }
        .match-row:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .match-team {
            font-weight: 600;
            font-size: 14px;
            flex: 1;
            min-width: 80px;
        }
        .match-team:last-of-type {
            text-align: right;
        }
        .match-score {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 20px;
            color: var(--ink);
            background-color: var(--bg);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            min-width: 60px;
            text-align: center;
            letter-spacing: 2px;
        }
        .match-league {
            font-size: 12px;
            color: var(--muted);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            min-width: 100px;
        }
        .match-time {
            font-family: var(--font-num);
            font-size: 13px;
            color: var(--muted);
            white-space: nowrap;
        }
        .stat-bar {
            height: 8px;
            background-color: var(--bg);
            border-radius: 4px;
            overflow: hidden;
            position: relative;
            width: 100%;
        }
        .stat-bar-fill {
            height: 100%;
            border-radius: 4px;
            transition: width .4s ease;
        }
        .fill-primary {
            background-color: var(--primary);
        }
        .fill-accent {
            background-color: var(--accent);
        }
        .fill-score {
            background-color: var(--score);
        }
        .fill-muted {
            background-color: #94a3b8;
        }
        .breadcrumb-link {
            color: var(--muted);
            font-size: 13px;
            transition: color .2s ease;
        }
        .breadcrumb-link:hover {
            color: var(--primary-strong);
        }
        .breadcrumb-sep {
            color: var(--line);
            margin: 0 8px;
            font-size: 12px;
        }
        .input-field {
            height: 44px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 14px;
            background-color: var(--surface);
            color: var(--ink);
            transition: border-color .2s ease, box-shadow .2s ease;
            width: 100%;
        }
        .input-field:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(18, 214, 164, .15);
        }
        .input-field::placeholder {
            color: #94a3b8;
        }
        .select-field {
            height: 44px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 14px;
            background-color: var(--surface);
            color: var(--ink);
            transition: border-color .2s ease, box-shadow .2s ease;
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2360717D' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
            width: 100%;
        }
        .select-field:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(18, 214, 164, .15);
        }
        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
                align-items: center;
                gap: 32px;
            }
            .hamburger {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }
        @media (max-width: 639px) {
            .match-row {
                padding: 12px 14px;
                gap: 8px;
            }
            .match-league {
                min-width: 80px;
                font-size: 11px;
            }
            .match-team {
                font-size: 12px;
                min-width: 60px;
            }
            .match-score {
                font-size: 16px;
                padding: 4px 10px;
                min-width: 44px;
            }
            .match-time {
                font-size: 11px;
            }
        }
        .h2-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
            margin: 0 0 8px;
        }
        @media (min-width: 768px) {
            .h2-title {
                font-size: 28px;
            }
        }
        .section-desc {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }
        .keyword-highlight {
            color: var(--primary-strong);
            font-weight: 600;
        }
        .dark-text {
            color: #fff;
        }
        .dark-muted {
            color: #9ca3af;
        }
        .num-display {
            font-family: var(--font-num);
            letter-spacing: 1px;
            tabular-nums: numeric;
        }

/* roulang page: category3 */
:root {
            --primary: #12D6A4;
            --primary-strong: #0A9972;
            --accent: #FF5A36;
            --score: #FFC247;
            --bg: #F4F7F8;
            --surface: #FFFFFF;
            --dark: #0E1418;
            --dark-2: #151C22;
            --ink: #161E24;
            --muted: #60717D;
            --line: #DDE5E9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-btn: 999px;
            --shadow-sm: 0 2px 8px rgba(14,20,24,.06);
            --shadow-md: 0 12px 30px rgba(14,20,24,.10);
            --shadow-lg: 0 20px 48px rgba(14,20,24,.16);
            --section-pad: 72px 0;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Oswald", "Roboto Condensed", sans-serif;
            --font-mono: "SFMono-Regular", Consolas, monospace;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background-color .2s ease, border-color .2s ease;
        }

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

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

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 48px 0;
        }

        @media (min-width: 1024px) {
            .section {
                padding: 72px 0;
            }
        }

        .bg-dark-section {
            background-color: var(--dark);
            color: #fff;
        }

        .bg-dark-2-section {
            background-color: var(--dark-2);
            color: #fff;
        }

        .bg-light-section {
            background-color: var(--bg);
        }

        .bg-surface-section {
            background-color: var(--surface);
        }

        .hero-text-shadow {
            text-shadow: 0 4px 20px rgba(0,0,0,.45);
        }

        .nav-link {
            position: relative;
            padding: 6px 0;
            font-size: 14px;
            font-weight: 500;
            color: #33424e;
            transition: color .2s ease;
        }

        .nav-link:hover {
            color: var(--primary-strong);
        }

        .nav-link.active {
            color: var(--primary-strong);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background-color: var(--primary-strong);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary-strong);
            outline-offset: 2px;
        }

        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--line);
            color: var(--ink);
            font-weight: 500;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, border-color .2s ease, color .2s ease;
            cursor: pointer;
        }

        .btn-outline:hover {
            background-color: rgba(18,214,164,.08);
            border-color: var(--primary);
            color: var(--primary-strong);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-white {
            background-color: #fff;
            color: var(--dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, transform .2s ease;
            cursor: pointer;
            border: none;
        }

        .btn-white:hover {
            background-color: #e6f7f2;
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

        .badge-live {
            background-color: var(--accent);
            color: #fff;
        }

        .badge-finished {
            background-color: var(--primary-strong);
            color: #fff;
        }

        .badge-upcoming {
            background-color: #94a3b8;
            color: #fff;
        }

        .card {
            background-color: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .data-card {
            background-color: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--line);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .data-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .score-badge {
            background-color: var(--dark);
            color: var(--score);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-weight: 700;
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
        }

        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: var(--surface);
            transition: border-color .2s ease;
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color .2s ease;
            font-family: var(--font-cn);
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
        }

        .faq-icon {
            transition: transform .3s ease;
            flex-shrink: 0;
            color: var(--muted);
        }

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

        .footer-link {
            color: #9aa7b0;
            transition: color .2s ease;
        }

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

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background-color: #fff;
            border-bottom: 1px solid var(--line);
            padding: 16px 20px 20px;
            z-index: 49;
            box-shadow: var(--shadow-md);
            flex-direction: column;
            gap: 4px;
        }

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

        .desktop-nav {
            display: none;
        }

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }

            .hamburger {
                display: none;
            }

            .mobile-menu {
                display: none !important;
            }
        }

        @media (max-width: 1023px) {
            .hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
                background: none;
                border: 1px solid var(--line);
                border-radius: 8px;
                width: 40px;
                height: 40px;
                cursor: pointer;
                color: var(--ink);
                transition: border-color .2s ease, color .2s ease;
            }

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

            .hamburger:focus-visible {
                outline: 2px solid var(--primary);
                outline-offset: 2px;
            }
        }

        /* 数据条动画 */
        .rank-bar {
            height: 10px;
            border-radius: 999px;
            background-color: #e8eef0;
            overflow: hidden;
            transition: width .8s ease;
        }

        .rank-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary-strong), var(--primary));
            transition: width .8s ease;
        }

        .rank-bar-fill.accent {
            background: linear-gradient(90deg, #d84315, var(--accent));
        }

        .rank-bar-fill.score {
            background: linear-gradient(90deg, #f59e0b, var(--score));
        }

        /* 指数走势卡片 */
        .trend-up {
            color: var(--primary-strong);
            font-weight: 600;
        }

        .trend-down {
            color: var(--accent);
            font-weight: 600;
        }

        .trend-flat {
            color: var(--muted);
            font-weight: 500;
        }

        /* 球队排名行 */
        .team-rank-row {
            display: grid;
            grid-template-columns: 40px 1fr auto;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-bottom: 1px solid #eef2f4;
            transition: background-color .2s ease;
        }

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

        .team-rank-row:hover {
            background-color: rgba(18,214,164,.05);
        }

        .rank-number {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 18px;
            color: var(--muted);
            text-align: center;
        }

        .team-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
        }

        .team-points {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 18px;
            color: var(--primary-strong);
            font-variant-numeric: tabular-nums;
        }

        /* 球员榜样式 */
        .player-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px;
            border-radius: var(--radius-md);
            background-color: var(--surface);
            border: 1px solid var(--line);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .player-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            border-color: var(--primary);
        }

        .player-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--dark);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            font-family: var(--font-num);
        }

        .player-stat {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 24px;
            color: var(--ink);
            font-variant-numeric: tabular-nums;
        }

        .filter-select {
            height: 44px;
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 12px;
            background-color: #fff;
            color: var(--ink);
            font-size: 14px;
            transition: border-color .2s ease;
            min-width: 120px;
            cursor: pointer;
        }

        .filter-select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(18,214,164,.15);
        }

        .filter-btn {
            height: 44px;
            border-radius: 8px;
            padding: 0 20px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            border: 1px solid var(--line);
            background-color: #fff;
            color: var(--ink);
            transition: all .2s ease;
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary-strong);
            background-color: rgba(18,214,164,.05);
        }

        .filter-btn.active {
            background-color: var(--primary);
            color: var(--dark);
            border-color: var(--primary);
        }

        .filter-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* 订阅表单 */
        .subscribe-input {
            height: 48px;
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 16px;
            font-size: 14px;
            background-color: #fff;
            color: var(--ink);
            transition: border-color .2s ease, box-shadow .2s ease;
            width: 100%;
        }

        .subscribe-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(18,214,164,.2);
        }

        .subscribe-input::placeholder {
            color: #9aa7b0;
        }

        .breadcrumb-link {
            color: var(--muted);
            font-size: 13px;
            transition: color .2s ease;
        }

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

        .breadcrumb-separator {
            color: #b0bec5;
            font-size: 13px;
            margin: 0 8px;
        }

        .news-card-img {
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }

        .news-card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            background-color: rgba(18,214,164,.12);
            color: var(--primary-strong);
        }

        .stat-number {
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
        }

        /* 水印装饰 */
        .section-number {
            font-family: var(--font-num);
            font-weight: 800;
            font-size: 64px;
            line-height: 1;
            color: rgba(14,20,24,.06);
            position: absolute;
            right: 24px;
            top: 16px;
            pointer-events: none;
            user-select: none;
        }

        @media (max-width: 640px) {
            .section-number {
                font-size: 40px;
                right: 12px;
                top: 8px;
            }

            .team-rank-row {
                grid-template-columns: 32px 1fr auto;
                gap: 8px;
                padding: 10px 12px;
            }

            .player-item {
                padding: 12px;
                gap: 10px;
            }

            .player-stat {
                font-size: 20px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #12D6A4;
            --primary-strong: #0A9972;
            --accent: #FF5A36;
            --score: #FFC247;
            --bg: #F4F7F8;
            --surface: #FFFFFF;
            --dark: #0E1418;
            --dark-2: #151C22;
            --ink: #161E24;
            --muted: #60717D;
            --line: #DDE5E9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-btn: 999px;
            --shadow-sm: 0 2px 8px rgba(14, 20, 24, .06);
            --shadow-md: 0 12px 30px rgba(14, 20, 24, .10);
            --shadow-lg: 0 20px 48px rgba(14, 20, 24, .16);
            --section-pad: 72px 0;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Oswald", "Roboto Condensed", sans-serif;
            --font-mono: "SFMono-Regular", Consolas, monospace;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background-color .2s ease, border-color .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--section-pad);
        }
        .section {
            padding: 104px 0;
        }
        .section {
            padding: 48px 0;
        }
        .bg-dark-section {
            background-color: var(--dark);
            color: #fff;
        }
        .bg-dark-2-section {
            background-color: var(--dark-2);
            color: #fff;
        }
        .bg-light-section {
            background-color: var(--bg);
        }
        .bg-surface-section {
            background-color: var(--surface);
        }
        .hero-text-shadow {
            text-shadow: 0 4px 20px rgba(0, 0, 0, .45);
        }
        .nav-link {
            position: relative;
            padding: 6px 0;
            font-size: 14px;
            font-weight: 500;
            color: #33424e;
            transition: color .2s ease;
        }
        .nav-link:hover {
            color: var(--primary-strong);
        }
        .nav-link.active {
            color: var(--primary-strong);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, transform .2s ease, box-shadow .2s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background-color: var(--primary-strong);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary-strong);
            outline-offset: 2px;
        }
        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--line);
            color: var(--ink);
            font-weight: 500;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, border-color .2s ease, color .2s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            background-color: rgba(18, 214, 164, .08);
            border-color: var(--primary);
            color: var(--primary-strong);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-white {
            background-color: #fff;
            color: var(--dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .2s ease, transform .2s ease;
            cursor: pointer;
            border: none;
        }
        .btn-white:hover {
            background-color: #e6f7f2;
            transform: translateY(-2px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }
        .badge-live {
            background-color: var(--accent);
            color: #fff;
        }
        .badge-finished {
            background-color: var(--primary-strong);
            color: #fff;
        }
        .badge-upcoming {
            background-color: #94a3b8;
            color: #fff;
        }
        .badge-hot {
            background-color: var(--score);
            color: var(--dark);
        }
        .card {
            background-color: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .data-card {
            background-color: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--line);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .data-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .score-badge {
            background-color: var(--dark);
            color: var(--score);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-weight: 700;
        }
        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background-color: var(--surface);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            text-align: left;
            transition: color .2s ease;
        }
        .faq-question:hover {
            color: var(--primary-strong);
        }
        .faq-question .arrow {
            transition: transform .3s ease;
            font-size: 14px;
            color: var(--muted);
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
            color: var(--primary-strong);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .footer-link {
            color: #9ca3af;
            transition: color .2s ease;
        }
        .footer-link:hover {
            color: var(--primary);
        }
        .desktop-nav {
            display: flex;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--ink);
            font-size: 22px;
            padding: 4px;
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background-color: #fff;
            border-bottom: 1px solid var(--line);
            padding: 16px 24px;
            z-index: 100;
            box-shadow: var(--shadow-md);
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--muted);
            transition: color .2s ease;
        }
        .breadcrumb a:hover {
            color: var(--primary-strong);
        }
        .breadcrumb .sep {
            color: #b0bec5;
        }
        .breadcrumb .current {
            color: var(--ink);
            font-weight: 500;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: 999px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--line);
            background-color: var(--surface);
            color: var(--muted);
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary-strong);
            background-color: rgba(18, 214, 164, .06);
        }
        .filter-chip.active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: var(--dark);
            font-weight: 600;
        }
        .article-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: var(--surface);
            border: 1px solid var(--line);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .article-card .img-wrap {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .article-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .article-card:hover .img-wrap img {
            transform: scale(1.04);
        }
        .num-font {
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.01em;
        }
        .trend-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-strong);
            background-color: rgba(18, 214, 164, .1);
            border-radius: 4px;
            padding: 2px 8px;
        }
        .accent-line {
            width: 40px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .section {
                padding: 48px 0;
            }
            .section {
                padding: 72px 0;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section {
                padding: 56px 0;
            }
            .btn-primary,
            .btn-outline,
            .btn-white {
                width: 100%;
                justify-content: center;
            }
            .mobile-menu {
                top: 56px;
            }
            .filter-chip {
                font-size: 12px;
                padding: 6px 12px;
            }
        }
        @media (min-width: 1024px) {
            .mobile-menu {
                display: none !important;
            }
        }