/* roulang page: index */
:root {
      --ink: #29232a;
      --muted: #786f77;
      --paper: #fff9fb;
      --white: #fff;
      --line: #eee4e9;
      --berry: #ba245d;
      --berry-dark: #81133d;
      --mint: #dff4ec;
      --mint-ink: #167356;
      --rose: #f8e6ee;
      --gold: #d79c34;
      --shadow: 0 14px 38px rgba(72, 24, 45, .08);
      --radius: 22px;
      --container: 1180px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font: 16px/1.65 system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button, a, input { -webkit-tap-highlight-color: transparent; }
    button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible {
      outline: 3px solid rgba(186, 36, 93, .35);
      outline-offset: 3px;
    }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 50;
      background: rgba(255, 249, 251, .94);
      border-bottom: 1px solid rgba(238, 228, 233, .9);
      backdrop-filter: blur(14px);
    }
    .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; font-weight: 800; }
    .brand-mark {
      display: grid; place-items: center; flex: 0 0 42px; height: 42px;
      color: #fff; border-radius: 13px; background: linear-gradient(135deg, #dc477d, #961840);
      box-shadow: 0 7px 16px rgba(186, 36, 93, .2); font-size: 20px;
    }
    .brand-name { font-size: 16px; line-height: 1.25; }
    .nav-links { display: flex; align-items: center; gap: 24px; }
    .nav-links a { color: #655a62; font-size: 14px; font-weight: 650; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--berry); }
    .nav-action {
      padding: 10px 16px; border-radius: 999px; color: var(--berry) !important;
      background: var(--rose); font-weight: 750 !important;
    }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 13px;
      background: var(--white); color: var(--ink); cursor: pointer;
    }
    .hero { padding: 42px 0 26px; }
    .hero-panel {
      position: relative; overflow: hidden; isolation: isolate; min-height: 390px;
      display: flex; align-items: center; padding: clamp(30px, 6vw, 76px);
      border-radius: 30px; color: #fff;
      background: #361a29 url("https://images.unsplash.com/photo-1515886657613-9f3515b0c78f?auto=format&fit=crop&w=1900&q=85") center 38% / cover no-repeat;
    }
    .hero-panel::before {
      content: ""; position: absolute; inset: 0; z-index: -1;
      background: linear-gradient(90deg, rgba(39, 13, 26, .88) 0%, rgba(56, 18, 37, .74) 48%, rgba(56, 18, 37, .12) 100%);
    }
    .hero-copy { max-width: 690px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; color: #ffe4ef; font-size: 13px; font-weight: 700; }
    .eyebrow::before { content: ""; width: 23px; height: 2px; background: #f49ab9; }
    h1 { margin: 0; max-width: 680px; font-size: clamp(34px, 5vw, 58px); line-height: 1.16; font-weight: 850; }
    .hero-highlight { color: #ffb4ce; }
    .hero-subtitle { margin: 16px 0 0; color: #ffedf3; font-size: 18px; font-weight: 700; }
    .hero-desc { max-width: 610px; margin: 14px 0 24px; color: rgba(255,255,255,.84); font-size: 15px; }
    .button-row { display: flex; flex-wrap: wrap; gap: 12px; }
    .btn {
      display: inline-flex; justify-content: center; align-items: center; gap: 9px;
      min-height: 46px; padding: 0 19px; border: 1px solid transparent; border-radius: 999px;
      font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { color: #fff; background: linear-gradient(105deg, #d9437a, #a91d52); box-shadow: 0 9px 22px rgba(186, 36, 93, .24); }
    .btn-primary:hover { box-shadow: 0 12px 26px rgba(186, 36, 93, .32); }
    .btn-light { color: #fff; background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.45); }
    .btn-outline { color: var(--berry); background: transparent; border-color: #dfb8c8; }
    .btn-outline:hover { background: var(--rose); }
    .section { padding: 60px 0; }
    .section-white { background: var(--white); border-block: 1px solid #f3eaf0; }
    .section-soft { background: #fff3f7; }
    .section-dark { color: #fff; background: #2c2028; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
    .section-kicker { display: block; margin-bottom: 7px; color: var(--berry); font-size: 12px; font-weight: 800; letter-spacing: 0; }
    .section-dark .section-kicker { color: #ff9fbd; }
    h2 { margin: 0; font-size: clamp(23px, 3vw, 32px); line-height: 1.25; font-weight: 820; }
    .section-intro { max-width: 670px; margin: 9px 0 0; color: var(--muted); font-size: 14px; }
    .section-dark .section-intro { color: #cfc4cb; }
    .text-link { white-space: nowrap; color: var(--berry); font-size: 14px; font-weight: 750; }
    .text-link:hover { color: var(--berry-dark); }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .stat {
      display: flex; align-items: center; gap: 15px; padding: 20px;
      background: #fff; border: 1px solid var(--line); border-radius: 18px;
    }
    .stat-icon { display: grid; place-items: center; width: 44px; height: 44px; flex: 0 0 44px; border-radius: 15px; background: var(--rose); color: var(--berry); font-weight: 800; }
    .stat strong { display: block; font-size: 23px; line-height: 1.2; }
    .stat span:last-child { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
    .content-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .media-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .22s ease, box-shadow .22s ease; }
    .media-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .media-image { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #f2e8ed; }
    .media-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
    .media-card:hover .media-image img { transform: scale(1.04); }
    .media-image::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(22,12,18,.5)); pointer-events: none; }
    .badge {
      display: inline-flex; align-items: center; justify-content: center; min-height: 24px;
      padding: 3px 9px; border-radius: 999px; color: #fff; background: var(--berry);
      font-size: 11px; line-height: 1.2; font-weight: 800;
    }
    .media-image .badge { position: absolute; z-index: 1; left: 12px; top: 12px; }
    .badge-mint { color: var(--mint-ink); background: var(--mint); }
    .badge-light { color: #67334a; background: #ffe4ee; }
    .media-body { padding: 14px 15px 15px; }
    .media-title { overflow: hidden; margin: 0; font-size: 15px; font-weight: 780; text-overflow: ellipsis; white-space: nowrap; }
    .media-meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 10px; color: var(--muted); font-size: 12px; }
    .rating { color: #956420; font-weight: 800; }
    .rating::before { content: "★ "; color: var(--gold); }
    .recommend-list { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; }
    .feature-pick {
      position: relative; overflow: hidden; min-height: 370px; display: flex; align-items: end;
      padding: 28px; border-radius: 24px; color: #fff; background: #3b1b2b;
    }
    .feature-pick img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .feature-pick::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(28,12,20,.9), rgba(28,12,20,0) 75%); }
    .feature-copy { position: relative; z-index: 1; max-width: 460px; }
    .feature-copy h3 { margin: 12px 0 7px; font-size: 25px; }
    .feature-copy p { margin: 0; color: #f5e9ef; font-size: 14px; }
    .pick-stack { display: grid; gap: 12px; }
    .pick-row { display: grid; grid-template-columns: 118px 1fr; gap: 15px; align-items: center; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
    .pick-row img { width: 118px; height: 93px; object-fit: cover; border-radius: 12px; }
    .pick-row h3 { margin: 0 0 5px; font-size: 15px; }
    .pick-row p { margin: 0; color: var(--muted); font-size: 12px; }
    .category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .category-item { min-height: 145px; padding: 20px; border: 1px solid #efdae4; border-radius: 18px; background: #fff; transition: border .2s ease, transform .2s ease; }
    .category-item:hover { transform: translateY(-3px); border-color: #da86a6; }
    .category-symbol { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 12px; border-radius: 11px; color: var(--berry); background: var(--rose); font-weight: 800; }
    .category-item h3 { margin: 0 0 6px; font-size: 15px; }
    .category-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
    .service-band { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
    .service-item { padding: 18px 13px; text-align: center; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
    .service-item b { display: block; margin-bottom: 5px; color: var(--berry); font-size: 14px; }
    .service-item span { color: var(--muted); font-size: 11px; }
    .compare-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .compare-table { width: 100%; min-width: 620px; border-collapse: collapse; text-align: left; }
    .compare-table th, .compare-table td { padding: 15px 18px; border-bottom: 1px solid var(--line); font-size: 13px; }
    .compare-table th { color: #695c64; background: #fff5f8; font-size: 12px; }
    .compare-table tr:last-child td { border-bottom: 0; }
    .compare-table td:first-child { font-weight: 750; }
    .yes { color: var(--mint-ink); font-weight: 750; }
    .rank-layout { display: grid; grid-template-columns: 1fr .8fr; gap: 24px; align-items: start; }
    .top-three { display: grid; gap: 11px; }
    .rank-card { display: grid; grid-template-columns: 50px 1fr auto; gap: 15px; align-items: center; padding: 17px 18px; border: 1px solid rgba(255,255,255,.13); border-radius: 17px; background: rgba(255,255,255,.055); }
    .rank-number { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; color: #543512; background: linear-gradient(145deg, #ffe9ae, #d89b34); font-size: 20px; font-weight: 900; }
    .rank-card:nth-child(n+4) .rank-number { color: #f8dbe6; background: #63394b; }
    .rank-card h3 { margin: 0 0 3px; font-size: 15px; }
    .rank-card p { margin: 0; color: #c9bbc3; font-size: 12px; }
    .rank-score { text-align: right; color: #ffd88a; font-size: 19px; font-weight: 850; }
    .rank-score small { display: block; color: #c9bbc3; font-size: 10px; font-weight: 500; }
    .rank-side { padding: 24px; border-radius: 22px; color: var(--ink); background: #fff; }
    .rank-side h3 { margin: 0 0 9px; font-size: 20px; }
    .rank-side p { margin: 0; color: var(--muted); font-size: 14px; }
    .rank-side ul { display: grid; gap: 11px; margin: 18px 0 0; padding: 0; list-style: none; }
    .rank-side li { display: flex; justify-content: space-between; gap: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 13px; }
    .rank-side li span:last-child { color: var(--muted); white-space: nowrap; }
    .topic-grid { display: grid; grid-template-columns: 1.25fr .9fr .9fr; gap: 16px; }
    .topic-card { min-height: 220px; display: flex; flex-direction: column; justify-content: end; padding: 22px; border-radius: 20px; color: #fff; background-position: center; background-size: cover; position: relative; overflow: hidden; isolation: isolate; }
    .topic-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(31,12,21,.82), rgba(31,12,21,.08)); }
    .topic-card h3 { margin: 0 0 6px; font-size: 19px; }
    .topic-card p { margin: 0; color: #f5e9ef; font-size: 12px; }
    .scene-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
    .scene { padding: 21px; border-left: 3px solid #ce4d7d; background: #fff; box-shadow: 0 5px 19px rgba(72,24,45,.04); }
    .scene h3 { margin: 0 0 6px; font-size: 15px; }
    .scene p { margin: 0; color: var(--muted); font-size: 12px; }
    .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
    .timeline-item { position: relative; padding: 26px 20px 0 0; border-top: 2px solid #e7c4d1; }
    .timeline-item::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border: 3px solid #fff; border-radius: 50%; background: var(--berry); box-shadow: 0 0 0 1px var(--berry); }
    .timeline-item strong { display: block; margin-bottom: 6px; color: var(--berry); font-size: 14px; }
    .timeline-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
    .news-item { display: grid; grid-template-columns: 112px 1fr; gap: 15px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .news-item img { width: 112px; height: 78px; object-fit: cover; border-radius: 12px; background: #f0e6eb; }
    .news-item h3 { margin: 0 0 6px; font-size: 14px; line-height: 1.45; }
    .news-item time { color: var(--muted); font-size: 11px; }
    .trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .trust-item { display: flex; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }
    .trust-icon { display: grid; place-items: center; flex: 0 0 42px; height: 42px; border-radius: 14px; color: var(--mint-ink); background: var(--mint); font-weight: 900; }
    .trust-item h3 { margin: 0 0 5px; font-size: 15px; }
    .trust-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .quick-answers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 28px; }
    .quick-answer { padding: 17px; border-radius: 15px; background: #fff; border: 1px solid var(--line); }
    .quick-answer strong { display: block; margin-bottom: 5px; color: var(--berry); font-size: 13px; }
    .quick-answer p { margin: 0; color: var(--muted); font-size: 12px; }
    .faq-list { display: grid; gap: 10px; }
    .faq-list details { padding: 17px 19px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
    .faq-list summary { cursor: pointer; font-weight: 750; font-size: 14px; }
    .faq-list details p { margin: 11px 0 0; color: var(--muted); font-size: 13px; }
    .search-band { padding: 32px; border-radius: 24px; background: linear-gradient(115deg, #7f183d, #c9346c); color: #fff; }
    .search-layout { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
    .search-band h2 { font-size: 26px; }
    .search-band p { margin: 7px 0 0; color: #f9dfe9; font-size: 13px; }
    .search-form { display: flex; width: min(510px, 100%); gap: 9px; }
    .search-form label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
    .search-form input { min-width: 0; flex: 1; height: 48px; padding: 0 16px; border: 1px solid rgba(255,255,255,.45); border-radius: 13px; background: #fff; color: var(--ink); }
    .search-form button { height: 48px; padding: 0 19px; border: 0; border-radius: 13px; color: var(--berry-dark); background: #ffe2ed; font-weight: 800; cursor: pointer; transition: background .2s ease; }
    .search-form button:hover { background: #fff; }
    .form-status { min-height: 22px; margin: 8px 0 0; color: #ffe4ed; font-size: 12px; }
    .site-footer { padding: 48px 0 22px; background: #251c22; color: #f8eff3; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 35px; }
    .footer-brand p { max-width: 300px; margin: 14px 0 0; color: #c7b9c1; font-size: 13px; }
    .footer-col h3 { margin: 2px 0 13px; font-size: 13px; }
    .footer-col a { display: block; width: fit-content; margin: 8px 0; color: #c7b9c1; font-size: 12px; }
    .footer-col a:hover { color: #ffabc7; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 34px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.12); color: #a99ba3; font-size: 11px; }
    .age-note { color: #e8cbd6; }
    @media (max-width: 1024px) {
      .content-grid { grid-template-columns: repeat(3, 1fr); }
      .category-grid { grid-template-columns: repeat(3, 1fr); }
      .service-band { grid-template-columns: repeat(3, 1fr); }
      .scene-list { grid-template-columns: repeat(2, 1fr); }
      .nav-links { gap: 16px; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, var(--container)); }
      .nav-wrap { min-height: 68px; }
      .menu-toggle { display: grid; place-items: center; }
      .nav-links {
        display: none; position: absolute; top: calc(100% + 1px); left: 0; right: 0;
        padding: 12px 20px 18px; background: var(--paper); border-bottom: 1px solid var(--line);
        box-shadow: 0 15px 25px rgba(72,24,45,.08);
      }
      .nav-links.is-open { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
      .nav-links a { padding: 11px 9px; }
      .nav-action { text-align: center; }
      .hero { padding-top: 22px; }
      .hero-panel { min-height: 400px; border-radius: 23px; background-position: 58% center; }
      .hero-panel::before { background: linear-gradient(90deg, rgba(39,13,26,.9), rgba(56,18,37,.67)); }
      .section { padding: 46px 0; }
      .section-head { align-items: start; }
      .recommend-list, .rank-layout { grid-template-columns: 1fr; }
      .feature-pick { min-height: 300px; }
      .topic-grid { grid-template-columns: 1fr 1fr; }
      .topic-card:first-child { grid-column: 1 / -1; }
      .news-list { grid-template-columns: 1fr; }
      .trust-grid { grid-template-columns: 1fr 1fr; gap: 10px 20px; }
      .search-layout { align-items: stretch; flex-direction: column; gap: 20px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 28px); }
      .brand-name { max-width: 225px; font-size: 14px; }
      .hero-panel { min-height: 430px; padding: 27px 22px; }
      .hero-subtitle { font-size: 16px; }
      .hero-desc { font-size: 14px; }
      .button-row .btn { flex: 1 1 100%; }
      .section-head { display: block; }
      .section-head .text-link { display: inline-block; margin-top: 12px; }
      .stats-grid { gap: 9px; }
      .stat { gap: 10px; padding: 14px 11px; }
      .stat-icon { width: 36px; height: 36px; flex-basis: 36px; font-size: 12px; }
      .stat strong { font-size: 19px; }
      .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
      .media-card { border-radius: 16px; }
      .media-body { padding: 11px; }
      .media-title { font-size: 13px; }
      .media-meta { font-size: 10px; }
      .category-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
      .category-item { min-height: 0; padding: 15px; }
      .service-band { grid-template-columns: 1fr 1fr; gap: 9px; }
      .rank-card { grid-template-columns: 40px 1fr auto; gap: 10px; padding: 13px 11px; }
      .rank-number { width: 38px; height: 38px; }
      .rank-score { font-size: 16px; }
      .topic-grid { grid-template-columns: 1fr; }
      .topic-card:first-child { grid-column: auto; }
      .topic-card { min-height: 185px; }
      .scene-list, .quick-answers, .trust-grid { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: 1fr 1fr; gap: 17px 0; }
      .timeline-item { min-height: 110px; padding-top: 18px; }
      .news-item { grid-template-columns: 92px 1fr; gap: 11px; }
      .news-item img { width: 92px; height: 68px; }
      .search-band { padding: 24px 18px; }
      .search-form { flex-direction: column; }
      .search-form button { width: 100%; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px 18px; }
      .footer-bottom { flex-direction: column; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
    }