/* roulang page: index */
:root {
            --ink: #171a24;
            --muted: #737887;
            --paper: #f7f8fb;
            --white: #ffffff;
            --line: #e5e7ee;
            --violet: #6c42e8;
            --violet-dark: #4b2eb5;
            --coral: #ff6b5f;
            --mint: #d9f2e8;
            --gold: #f5c96b;
            --navy: #202943;
            --radius-lg: 28px;
            --radius-md: 18px;
            --shadow: 0 18px 50px rgba(31, 36, 61, .10);
            --shadow-sm: 0 8px 24px rgba(31, 36, 61, .08);
            --container: 1180px;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 15px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; width: 100%; object-fit: cover; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        :focus-visible { outline: 3px solid rgba(108,66,232,.35); outline-offset: 3px; }
        .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
        .topbar {
            position: sticky; top: 0; z-index: 20;
            background: rgba(247,248,251,.90);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(229,231,238,.82);
        }
        .nav {
            min-height: 78px; display: flex; align-items: center; gap: 28px;
        }
        .brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
        .brand-mark {
            width: 38px; height: 38px; border-radius: 12px;
            display: grid; place-items: center; color: #fff; font-weight: 800;
            background: linear-gradient(135deg, var(--violet), var(--coral));
            box-shadow: 0 8px 18px rgba(108,66,232,.25);
        }
        .brand-name { font-size: 16px; font-weight: 800; letter-spacing: 0; }
        .nav-links { display: flex; gap: 6px; align-items: center; margin-left: auto; }
        .nav-links a {
            color: var(--muted); padding: 9px 13px; border-radius: 10px;
            transition: .2s ease;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--violet); background: #eeeafe; }
        .nav-search {
            width: 172px; height: 40px; display: flex; align-items: center; gap: 8px;
            padding: 0 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff;
        }
        .nav-search span { color: var(--muted); font-size: 13px; }
        .menu-toggle { display: none; border: 0; background: transparent; font-size: 24px; color: var(--ink); }
        .hero {
            min-height: 650px; padding: 72px 0 82px; display: flex; align-items: center;
            background:
                linear-gradient(90deg, rgba(20,25,47,.94) 0%, rgba(20,25,47,.73) 45%, rgba(20,25,47,.12) 100%),
                url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=1800&q=88") center/cover;
            color: #fff;
        }
        .hero-content { max-width: 680px; }
        .eyebrow, .section-kicker {
            color: var(--coral); font-weight: 800; font-size: 12px; letter-spacing: 1.5px;
            text-transform: uppercase;
        }
        .hero h1 {
            max-width: 670px; margin: 16px 0 20px; font-size: clamp(34px, 5vw, 64px);
            line-height: 1.13; letter-spacing: 0; font-weight: 900;
        }
        .hero h1 em { color: #ffd56b; font-style: normal; }
        .hero p { max-width: 650px; margin: 0; color: rgba(255,255,255,.83); font-size: 17px; }
        .hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 12px;
            font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s;
        }
        .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
        .btn-primary { color: #fff; background: var(--violet); }
        .btn-primary:hover { background: var(--violet-dark); }
        .btn-light { color: var(--ink); background: #fff; }
        .btn-outline { color: var(--violet); background: #fff; border-color: #d9d0ff; }
        .hero .btn-outline { color: #fff; background: transparent; border-color: rgba(255,255,255,.45); }
        .hero-metrics { display: flex; gap: 28px; margin-top: 42px; }
        .metric strong { display: block; font-size: 24px; line-height: 1.2; }
        .metric span { color: rgba(255,255,255,.65); font-size: 13px; }
        section { padding: 86px 0; }
        .section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 30px; }
        .section-head h2 { margin: 8px 0 0; font-size: clamp(25px, 3vw, 38px); line-height: 1.25; }
        .section-head p { max-width: 550px; margin: 0; color: var(--muted); }
        .text-link { color: var(--violet); font-weight: 800; white-space: nowrap; }
        .matrix { background: #fff; }
        .matrix-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        .matrix-item {
            padding: 24px; min-height: 170px; border: 1px solid var(--line); border-radius: var(--radius-md);
            background: #fff; transition: .2s ease;
        }
        .matrix-item:hover { border-color: #cbbfff; transform: translateY(-4px); box-shadow: var(--shadow-sm); }
        .matrix-icon { color: var(--violet); font-size: 25px; font-weight: 900; }
        .matrix-item h3 { margin: 14px 0 6px; font-size: 18px; }
        .matrix-item p { margin: 0; color: var(--muted); font-size: 13px; }
        .band { background: #f0efff; }
        .feature-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 18px; }
        .feature {
            min-height: 232px; padding: 28px; border-radius: var(--radius-lg); color: #fff;
            background: var(--navy); position: relative; overflow: hidden;
        }
        .feature:first-child { background: linear-gradient(135deg, #6540d7, #8d64f2); }
        .feature:nth-child(2) { background: #ff7a67; }
        .feature:nth-child(3) { background: #2c8b78; }
        .feature h3 { font-size: 22px; margin: 0 0 10px; }
        .feature p { color: rgba(255,255,255,.82); margin: 0; font-size: 14px; }
        .feature b { position: absolute; right: 25px; bottom: 18px; font-size: 48px; opacity: .18; }
        .poster-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
        .poster-card { min-width: 0; }
        .poster {
            aspect-ratio: 3 / 4; overflow: hidden; border-radius: 16px; position: relative;
            background: #ddd; box-shadow: var(--shadow-sm);
        }
        .poster img { height: 100%; transition: transform .35s; }
        .poster-card:hover img { transform: scale(1.06); }
        .badge {
            position: absolute; left: 10px; top: 10px; padding: 3px 8px; border-radius: 7px;
            color: #fff; background: rgba(22,25,40,.78); font-size: 11px; font-weight: 800;
        }
        .poster-info { padding-top: 11px; }
        .poster-info h3 { margin: 0 0 4px; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .poster-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
        .score { color: #ed9431; font-weight: 800; }
        .category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
        .category {
            padding: 22px 18px; min-height: 150px; border-radius: 20px;
            background: #fff; border: 1px solid var(--line);
        }
        .category h3 { margin: 0 0 7px; font-size: 17px; }
        .category p { margin: 0; color: var(--muted); font-size: 13px; }
        .ranking-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 42px; align-items: start; }
        .ranking-intro { padding-top: 10px; }
        .ranking-intro h2 { font-size: 38px; line-height: 1.22; margin: 12px 0; }
        .ranking-intro p { color: var(--muted); }
        .rank-list { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
        .rank-row { display: grid; grid-template-columns: 42px 1fr 80px 58px; align-items: center; gap: 10px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
        .rank-row:last-child { border-bottom: 0; }
        .rank-no { font-size: 19px; font-weight: 900; color: #a2a6b2; }
        .rank-row:nth-child(-n+3) .rank-no { color: var(--violet); }
        .rank-title { font-weight: 800; }
        .rank-type { color: var(--muted); font-size: 12px; }
        .trend { color: #2c9a70; font-size: 12px; font-weight: 800; }
        .news { background: #fff; }
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .news-card { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
        .news-card img { height: 92px; border-radius: 12px; }
        .news-card h3 { margin: 0 0 7px; font-size: 15px; line-height: 1.45; }
        .news-card time { color: var(--muted); font-size: 12px; }
        .updates { background: var(--navy); color: #fff; }
        .updates .section-head p { color: rgba(255,255,255,.65); }
        .update-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .update-card { padding: 25px; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: rgba(255,255,255,.07); }
        .update-card strong { color: #ffd56b; font-size: 13px; }
        .update-card h3 { margin: 12px 0 7px; font-size: 19px; }
        .update-card p { color: rgba(255,255,255,.68); font-size: 13px; margin: 0; }
        .multi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .multi-panel { padding: 34px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); }
        .multi-panel h3 { margin: 0 0 10px; font-size: 23px; }
        .multi-panel p { margin: 0; color: var(--muted); }
        .device-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
        .device-tags span { padding: 8px 12px; border-radius: 9px; background: #f0efff; color: var(--violet); font-weight: 800; font-size: 13px; }
        .trust { background: #fff; }
        .trust-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
        .trust-item { padding: 16px; }
        .trust-item strong { display: block; font-size: 30px; color: var(--violet); }
        .trust-item span { color: var(--muted); font-size: 13px; }
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
        details { padding: 20px 22px; background: #fff; border: 1px solid var(--line); border-radius: 15px; }
        summary { cursor: pointer; font-weight: 800; list-style: none; }
        summary::-webkit-details-marker { display: none; }
        details p { color: var(--muted); margin: 12px 0 0; font-size: 14px; }
        .closing { padding: 68px 0; background: linear-gradient(120deg, #5f3dd1, #8a63ef); color: #fff; }
        .closing-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
        .closing h2 { margin: 0 0 8px; font-size: 31px; }
        .closing p { margin: 0; color: rgba(255,255,255,.78); }
        .footer { padding: 54px 0 24px; background: #171b2c; color: #fff; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 35px; padding-bottom: 42px; }
        .footer-brand p { color: rgba(255,255,255,.58); max-width: 280px; font-size: 13px; }
        .footer h3 { margin: 0 0 15px; font-size: 15px; }
        .footer a { display: block; color: rgba(255,255,255,.6); font-size: 13px; margin: 8px 0; }
        .footer a:hover { color: #fff; }
        .copyright { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.42); font-size: 12px; }
        @media (max-width: 1024px) {
            .poster-grid { grid-template-columns: repeat(4, 1fr); }
            .category-grid { grid-template-columns: repeat(3, 1fr); }
            .matrix-grid { grid-template-columns: repeat(2, 1fr); }
            .nav-search { display: none; }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--container), calc(100% - 32px)); }
            .nav { min-height: 68px; }
            .menu-toggle { display: block; margin-left: auto; }
            .nav-links {
                display: none; position: absolute; left: 16px; right: 16px; top: 62px; padding: 10px;
                flex-direction: column; align-items: stretch; background: #fff; border: 1px solid var(--line);
                border-radius: 15px; box-shadow: var(--shadow);
            }
            .nav-links.open { display: flex; }
            .nav-links a { text-align: center; }
            .hero { min-height: 610px; padding: 56px 0; }
            section { padding: 64px 0; }
            .feature-grid, .ranking-layout, .multi-grid { grid-template-columns: 1fr; }
            .news-grid, .update-grid { grid-template-columns: 1fr 1fr; }
            .closing-inner { align-items: flex-start; flex-direction: column; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 36px; }
            .hero p { font-size: 15px; }
            .hero-metrics { gap: 17px; }
            .metric strong { font-size: 20px; }
            .section-head { display: block; }
            .section-head p { margin-top: 12px; }
            .poster-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 14px; }
            .matrix-grid, .category-grid, .news-grid, .update-grid, .faq-grid { grid-template-columns: 1fr; }
            .trust-row { grid-template-columns: repeat(2, 1fr); gap: 8px; }
            .rank-row { grid-template-columns: 32px 1fr 48px; padding: 13px 14px; }
            .rank-row .trend { display: none; }
            .news-card { grid-template-columns: 100px 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px 18px; }
            .footer-brand { grid-column: 1 / -1; }
        }

/* roulang page: category1 */
:root {
      --ink: #171a24;
      --muted: #737887;
      --paper: #f7f8fb;
      --white: #ffffff;
      --line: #e5e7ee;
      --violet: #6c42e8;
      --violet-dark: #4b2eb5;
      --coral: #ff6b5f;
      --mint: #d9f2e8;
      --gold: #f5c96b;
      --navy: #202943;
      --radius-lg: 28px;
      --radius-md: 18px;
      --radius-sm: 12px;
      --shadow: 0 18px 50px rgba(31, 36, 61, .10);
      --shadow-sm: 0 8px 24px rgba(31, 36, 61, .08);
      --container: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; width: 100%; object-fit: cover; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(108, 66, 232, .35); outline-offset: 3px; }
    .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(247,248,251,.92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(229,231,238,.86);
    }
    .nav {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 26px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      flex-shrink: 0;
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 800;
      background: linear-gradient(135deg, var(--violet), var(--coral));
      box-shadow: 0 8px 18px rgba(108,66,232,.25);
    }
    .brand-name { font-size: 16px; font-weight: 800; }
    .nav-links {
      display: flex;
      gap: 5px;
      align-items: center;
      margin-left: auto;
    }
    .nav-links a {
      color: var(--muted);
      padding: 9px 12px;
      border-radius: 10px;
      transition: .2s ease;
      white-space: nowrap;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--violet);
      background: #eeeafe;
    }
    .nav-search {
      width: 172px;
      height: 40px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #fff;
      color: var(--muted);
      font-size: 13px;
    }
    .menu-toggle {
      display: none;
      border: 0;
      background: transparent;
      color: var(--ink);
      font-size: 24px;
      padding: 5px;
    }

    .channel-hero {
      padding: 78px 0 86px;
      color: #fff;
      background:
        linear-gradient(100deg, rgba(25,29,55,.97) 0%, rgba(36,36,78,.88) 50%, rgba(108,66,232,.68) 100%),
        url("https://images.unsplash.com/photo-1517604931442-7e0c8ed2963c?auto=format&fit=crop&w=1800&q=88") center/cover;
    }
    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
      gap: 60px;
      align-items: center;
    }
    .eyebrow, .section-kicker {
      color: var(--coral);
      font-weight: 800;
      font-size: 12px;
      letter-spacing: 1.5px;
    }
    .channel-hero h1 {
      max-width: 700px;
      margin: 15px 0 18px;
      font-size: clamp(36px, 5vw, 64px);
      line-height: 1.13;
      font-weight: 900;
    }
    .channel-hero h1 em {
      color: #ffd56b;
      font-style: normal;
    }
    .channel-hero p {
      max-width: 650px;
      margin: 0;
      color: rgba(255,255,255,.82);
      font-size: 17px;
    }
    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 30px;
    }
    .btn {
      min-height: 46px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 800;
      transition: transform .2s, box-shadow .2s, background .2s;
    }
    .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
    .btn-primary { color: #fff; background: var(--violet); }
    .btn-primary:hover { background: var(--violet-dark); }
    .btn-light { color: var(--ink); background: #fff; }
    .btn-outline { color: var(--violet); background: #fff; border-color: #d9d0ff; }
    .channel-hero .btn-outline {
      color: #fff;
      background: transparent;
      border-color: rgba(255,255,255,.45);
    }
    .hero-panel {
      padding: 26px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.12);
      box-shadow: 0 20px 60px rgba(15,18,42,.2);
      backdrop-filter: blur(8px);
    }
    .hero-panel-head {
      display: flex;
      justify-content: space-between;
      gap: 15px;
      align-items: center;
      margin-bottom: 21px;
    }
    .hero-panel-head strong { font-size: 18px; }
    .live-badge, .badge {
      display: inline-flex;
      align-items: center;
      width: max-content;
      padding: 4px 9px;
      border-radius: 7px;
      font-size: 11px;
      font-weight: 800;
    }
    .live-badge { color: #642015; background: #ffd56b; }
    .channel-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }
    .channel-stat {
      padding: 16px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.11);
    }
    .channel-stat b { display: block; font-size: 25px; line-height: 1.2; }
    .channel-stat span { color: rgba(255,255,255,.66); font-size: 12px; }

    section { padding: 82px 0; }
    .section-soft { background: #fff; }
    .section-dark { color: #fff; background: var(--navy); }
    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      align-items: end;
      margin-bottom: 30px;
    }
    .section-head h2 {
      margin: 8px 0 0;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.25;
    }
    .section-head p {
      max-width: 540px;
      margin: 0;
      color: var(--muted);
    }
    .section-dark .section-head p { color: rgba(255,255,255,.64); }
    .text-link { color: var(--violet); font-weight: 800; white-space: nowrap; }

    .intro-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 22px;
      align-items: stretch;
    }
    .intro-copy {
      padding: 32px;
      border-radius: var(--radius-lg);
      background: #f0edff;
      border: 1px solid #ded6ff;
    }
    .intro-copy h2 { margin: 8px 0 15px; font-size: 30px; line-height: 1.3; }
    .intro-copy p { margin: 0; color: var(--muted); }
    .quality-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 25px;
    }
    .quality-item {
      padding: 15px;
      border-radius: 14px;
      background: rgba(255,255,255,.7);
    }
    .quality-item b { display: block; margin-bottom: 3px; }
    .quality-item span { color: var(--muted); font-size: 13px; }
    .intro-image {
      min-height: 340px;
      overflow: hidden;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
    }
    .intro-image img { height: 100%; }

    .content-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .content-card {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: #fff;
      transition: transform .22s, box-shadow .22s, border-color .22s;
    }
    .content-card:hover {
      transform: translateY(-5px);
      border-color: #cbbfff;
      box-shadow: var(--shadow-sm);
    }
    .content-thumb {
      position: relative;
      aspect-ratio: 1.42 / 1;
      overflow: hidden;
    }
    .content-thumb img { height: 100%; transition: transform .35s; }
    .content-card:hover .content-thumb img { transform: scale(1.05); }
    .badge {
      position: absolute;
      left: 10px;
      top: 10px;
      color: #fff;
      background: rgba(22,25,40,.78);
    }
    .content-body { padding: 18px; }
    .content-body h3 { margin: 0 0 6px; font-size: 18px; }
    .content-body p {
      min-height: 50px;
      margin: 0 0 13px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }
    .content-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--muted);
      font-size: 12px;
    }
    .score { color: var(--coral); font-weight: 900; font-size: 15px; }

    .topic-layout {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 22px;
    }
    .topic-lead {
      min-height: 310px;
      padding: 30px;
      border-radius: var(--radius-lg);
      color: #fff;
      background: linear-gradient(135deg, #6540d7, #8d64f2);
    }
    .topic-lead h2 { margin: 8px 0 14px; font-size: 30px; line-height: 1.3; }
    .topic-lead p { margin: 0; color: rgba(255,255,255,.8); }
    .topic-lead .btn { margin-top: 28px; }
    .topic-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .topic-item {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: #fff;
      transition: .2s ease;
    }
    .topic-item:hover { border-color: #cbbfff; box-shadow: var(--shadow-sm); }
    .topic-item h3 { margin: 0 0 7px; font-size: 18px; }
    .topic-item p { margin: 0; color: var(--muted); font-size: 13px; }

    .ranking-layout {
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 22px;
    }
    .ranking-list {
      padding: 8px 24px;
      border-radius: var(--radius-lg);
      background: #29324e;
    }
    .ranking-row {
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr) 92px 55px;
      align-items: center;
      gap: 13px;
      min-height: 62px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .ranking-row:last-child { border-bottom: 0; }
    .ranking-number {
      color: #ffd56b;
      font-size: 20px;
      font-weight: 900;
    }
    .ranking-name { font-weight: 700; }
    .ranking-type {
      width: max-content;
      padding: 3px 8px;
      border-radius: 6px;
      color: #bce8d7;
      background: rgba(104,210,169,.12);
      font-size: 11px;
    }
    .ranking-hot { color: rgba(255,255,255,.63); font-size: 12px; }
    .ranking-score { color: #ffd56b; font-weight: 800; }
    .signal-panel {
      padding: 30px;
      border-radius: var(--radius-lg);
      background: #ff7a67;
    }
    .signal-panel h2 { margin: 8px 0 14px; font-size: 29px; line-height: 1.3; }
    .signal-panel p { margin: 0; color: rgba(55,24,22,.72); }
    .signal-number {
      margin-top: 32px;
      color: #fff;
      font-size: 64px;
      line-height: 1;
      font-weight: 900;
    }
    .signal-number small { font-size: 14px; font-weight: 700; }

    .news-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
    }
    .news-feature {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--line);
    }
    .news-feature img { height: 100%; min-height: 260px; }
    .news-feature-body { padding: 28px; }
    .news-feature-body h3 { margin: 9px 0 12px; font-size: 25px; line-height: 1.35; }
    .news-feature-body p { color: var(--muted); margin: 0; }
    .news-date { color: var(--violet); font-size: 12px; font-weight: 800; }
    .news-list {
      display: grid;
      gap: 12px;
    }
    .news-item {
      display: grid;
      grid-template-columns: 105px minmax(0, 1fr);
      gap: 15px;
      align-items: center;
      padding: 12px;
      border-radius: 15px;
      background: #fff;
      border: 1px solid var(--line);
      transition: .2s ease;
    }
    .news-item:hover { transform: translateX(4px); border-color: #cbbfff; }
    .news-item img { height: 76px; border-radius: 10px; }
    .news-item h3 { margin: 0 0 4px; font-size: 15px; line-height: 1.4; }
    .news-item span { color: var(--muted); font-size: 12px; }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .faq-item {
      padding: 23px 25px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: #fff;
    }
    .faq-item h3 { margin: 0 0 8px; font-size: 17px; }
    .faq-item p { margin: 0; color: var(--muted); font-size: 14px; }

    .trust-bar {
      padding: 32px;
      border-radius: var(--radius-lg);
      color: #fff;
      background: linear-gradient(120deg, #202943, #392d70);
    }
    .trust-layout {
      display: flex;
      justify-content: space-between;
      gap: 28px;
      align-items: center;
    }
    .trust-bar h2 { margin: 0 0 7px; font-size: 26px; }
    .trust-bar p { margin: 0; color: rgba(255,255,255,.7); }
    .trust-points {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .trust-points span {
      padding: 10px 14px;
      border: 1px solid rgba(255,255,255,.2);
      border-radius: 10px;
      color: #fff;
      font-size: 13px;
    }

    .footer {
      padding: 66px 0 24px;
      color: rgba(255,255,255,.72);
      background: #171b2b;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr repeat(3, 1fr);
      gap: 38px;
    }
    .footer .brand-name { color: #fff; }
    .footer-brand p {
      max-width: 320px;
      margin: 18px 0 0;
      color: rgba(255,255,255,.54);
      font-size: 13px;
    }
    .footer h3 { margin: 0 0 15px; color: #fff; font-size: 15px; }
    .footer a {
      display: block;
      margin: 8px 0;
      color: rgba(255,255,255,.58);
      font-size: 13px;
      transition: .2s ease;
    }
    .footer a:hover { color: #ffd56b; }
    .copyright {
      margin-top: 48px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.1);
      color: rgba(255,255,255,.4);
      font-size: 12px;
    }

    @media (max-width: 1024px) {
      .nav { gap: 14px; }
      .nav-search { display: none; }
      .hero-layout, .intro-grid, .topic-layout, .ranking-layout, .news-grid { grid-template-columns: 1fr; }
      .content-grid { grid-template-columns: repeat(3, 1fr); }
      .hero-panel { max-width: 620px; }
    }

    @media (max-width: 768px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav { min-height: 68px; }
      .menu-toggle { display: block; margin-left: auto; }
      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 74px;
        display: none;
        padding: 10px;
        flex-direction: column;
        align-items: stretch;
        margin: 0;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: #fff;
        box-shadow: var(--shadow);
      }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 12px 14px; }
      .channel-hero { padding: 58px 0 64px; }
      section { padding: 64px 0; }
      .content-grid { grid-template-columns: repeat(2, 1fr); }
      .section-head { display: block; }
      .section-head p { margin-top: 12px; }
      .section-head .text-link { display: inline-block; margin-top: 15px; }
      .news-feature { grid-template-columns: 1fr; }
      .news-feature img { min-height: 220px; }
      .trust-layout { display: block; }
      .trust-points { margin-top: 22px; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-brand { grid-column: 1 / -1; }
    }

    @media (max-width: 520px) {
      .brand-name { max-width: 190px; font-size: 14px; line-height: 1.25; }
      .hero-layout { gap: 34px; }
      .channel-hero h1 { font-size: 38px; }
      .channel-hero p { font-size: 15px; }
      .hero-actions .btn { width: 100%; }
      .channel-stats { grid-template-columns: 1fr; }
      .quality-list, .topic-list, .faq-grid { grid-template-columns: 1fr; }
      .content-grid { grid-template-columns: 1fr 1fr; gap: 11px; }
      .content-body { padding: 13px; }
      .content-body h3 { font-size: 15px; }
      .content-body p { min-height: 0; font-size: 12px; }
      .ranking-list { padding: 6px 13px; }
      .ranking-row { grid-template-columns: 30px minmax(0,1fr) 48px; gap: 8px; }
      .ranking-hot { display: none; }
      .ranking-name { font-size: 13px; }
      .news-item { grid-template-columns: 86px minmax(0,1fr); gap: 10px; }
      .news-item img { height: 66px; }
      .news-item h3 { font-size: 13px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
      .copyright { line-height: 1.8; }
    }