/* roulang page: index */
:root {
      color-scheme: dark;
      --ink: #edf3ef;
      --muted: #a8b7b1;
      --soft: #71827c;
      --bg: #101a19;
      --panel: #172321;
      --panel-2: #1d2b28;
      --line: rgba(222, 240, 231, .12);
      --green: #b6f078;
      --mint: #7de1c0;
      --rose: #f0a5a0;
      --amber: #f0cb83;
      --radius: 18px;
      --shadow: 0 18px 50px rgba(0, 0, 0, .24);
      --max: 1240px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--bg);
      color: var(--ink);
      font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 15px;
      line-height: 1.7;
    }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; }
    img { display: block; max-width: 100%; }
    .container { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
    .top-note { background: #23312c; border-bottom: 1px solid var(--line); color: #d6e1dc; font-size: 12px; }
    .top-note .container { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .age-mark { color: var(--rose); font-weight: 800; letter-spacing: 0; }
    .header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid var(--line); background: rgba(16, 26, 25, .94); backdrop-filter: blur(16px); }
    .nav { min-height: 76px; display: flex; align-items: center; gap: 34px; }
    .brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; font-size: 17px; font-weight: 800; }
    .brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: #17221f; background: linear-gradient(145deg, var(--green), var(--mint)); font-size: 15px; font-weight: 900; }
    .nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
    .nav-links a { color: var(--muted); font-size: 13px; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a.active { color: var(--green); }
    .nav-action { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 0 16px; border: 1px solid rgba(182, 240, 120, .42); border-radius: 999px; color: var(--green); font-size: 12px; font-weight: 700; transition: background .2s, color .2s; }
    .nav-action:hover { background: var(--green); color: #14201a; }
    .menu-toggle { display: none; border: 1px solid var(--line); color: var(--ink); background: transparent; border-radius: 10px; width: 42px; height: 42px; }
    .hero { position: relative; min-height: 570px; display: flex; align-items: flex-end; overflow: hidden; isolation: isolate; border-bottom: 1px solid var(--line); }
    .hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=2000&q=85") center 42%/cover no-repeat; }
    .hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(11, 19, 18, .93) 0%, rgba(11, 19, 18, .67) 50%, rgba(11, 19, 18, .15) 100%), linear-gradient(0deg, rgba(11,19,18,.88), transparent 72%); }
    .hero-content { padding: 86px 0 70px; max-width: 810px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--green); }
    h1 { max-width: 760px; margin: 18px 0 14px; font-size: clamp(36px, 5vw, 62px); line-height: 1.16; letter-spacing: 0; }
    h1 em { color: var(--green); font-style: normal; }
    .hero-sub { margin: 0 0 14px; color: #d8e5df; font-size: 19px; font-weight: 600; }
    .hero-copy { max-width: 710px; margin: 0; color: #becbc5; font-size: 14px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
    .button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 20px; border: 1px solid transparent; border-radius: 999px; font-weight: 800; font-size: 13px; transition: transform .2s, background .2s, border .2s; }
    .button:hover { transform: translateY(-2px); }
    .button:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
    .button-primary { background: var(--green); color: #15201a; }
    .button-primary:hover { background: #cdf99c; }
    .button-ghost { border-color: rgba(255,255,255,.3); color: var(--ink); background: rgba(255,255,255,.05); }
    .button-ghost:hover { border-color: var(--green); background: rgba(182,240,120,.1); }
    .hero-facts { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 34px; color: #c8d5cf; font-size: 12px; }
    .hero-facts span { display: inline-flex; align-items: center; gap: 7px; }
    .hero-facts b { color: var(--green); }
    main section { padding: 76px 0; border-bottom: 1px solid var(--line); }
    main section:nth-of-type(even) { background: rgba(255,255,255,.018); }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 30px; }
    .section-head h2 { margin: 0; font-size: 28px; line-height: 1.3; }
    .section-head p { max-width: 680px; margin: 8px 0 0; color: var(--muted); font-size: 13px; }
    .section-kicker { margin-bottom: 8px; color: var(--mint); font-size: 11px; font-weight: 800; }
    .text-link { color: var(--green); font-size: 12px; font-weight: 700; white-space: nowrap; }
    .feature-strip { padding: 28px 0; background: #1a2824; border-bottom: 1px solid var(--line); }
    .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
    .feature-item { display: flex; gap: 14px; align-items: flex-start; padding-right: 20px; border-right: 1px solid var(--line); }
    .feature-item:last-child { border: 0; }
    .feature-icon { width: 38px; height: 38px; display: grid; flex: 0 0 auto; place-items: center; border-radius: 12px; color: var(--green); background: rgba(182,240,120,.1); font-weight: 900; }
    .feature-item strong { display: block; margin-bottom: 3px; font-size: 14px; }
    .feature-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .catalog-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px 15px; }
    .media-card { min-width: 0; }
    .poster { position: relative; aspect-ratio: 3 / 4; overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: var(--panel-2); }
    .poster img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
    .media-card:hover .poster img { transform: scale(1.045); }
    .poster::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(9,15,14,.6)); pointer-events: none; }
    .badge { position: absolute; z-index: 1; top: 10px; left: 10px; padding: 4px 8px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; color: #fff; background: rgba(12,20,18,.72); font-size: 10px; font-weight: 800; backdrop-filter: blur(8px); }
    .rating { position: absolute; z-index: 1; right: 10px; bottom: 9px; color: #fff; font-size: 11px; font-weight: 800; }
    .media-card h3 { margin: 10px 0 3px; overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
    .media-card p { margin: 0; color: var(--soft); font-size: 11px; }
    .showcase { display: grid; grid-template-columns: 1.05fr 1fr; gap: 42px; align-items: center; }
    .showcase-image { position: relative; min-height: 360px; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); }
    .showcase-image img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
    .showcase-image::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(11,18,17,.7)); }
    .image-label { position: absolute; z-index: 1; left: 22px; bottom: 19px; color: #fff; font-size: 12px; font-weight: 700; }
    .showcase-copy h2 { margin: 8px 0 13px; font-size: 31px; line-height: 1.3; }
    .showcase-copy > p { color: var(--muted); font-size: 14px; }
    .check-list { display: grid; gap: 13px; margin: 22px 0 0; padding: 0; list-style: none; }
    .check-list li { display: flex; gap: 11px; color: #d8e3de; font-size: 13px; }
    .check-list li::before { content: "✓"; color: var(--green); font-weight: 900; }
    .genre-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; }
    .genre-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .genre { min-height: 130px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); transition: border-color .2s, transform .2s; }
    .genre:hover { transform: translateY(-3px); border-color: rgba(182,240,120,.55); }
    .genre h3 { margin: 0 0 8px; font-size: 15px; }
    .genre p { margin: 0; color: var(--muted); font-size: 12px; }
    .quote-panel { display: flex; flex-direction: column; justify-content: space-between; padding: 28px; border-radius: var(--radius); background: linear-gradient(145deg, #293b34, #1a2824); }
    .quote-panel blockquote { margin: 0; color: #e6eee9; font-size: 19px; line-height: 1.65; }
    .quote-panel footer { margin-top: 22px; color: var(--green); font-size: 12px; }
    .ranking-layout { display: grid; grid-template-columns: 1fr .9fr; gap: 42px; }
    .rank-list { margin: 0; padding: 0; list-style: none; }
    .rank-list li { display: grid; grid-template-columns: 40px 1fr auto auto; align-items: center; gap: 13px; min-height: 59px; border-bottom: 1px solid var(--line); }
    .rank-no { color: var(--soft); font-size: 15px; font-weight: 800; }
    .rank-list li:nth-child(-n+3) .rank-no { color: var(--green); }
    .rank-title { font-size: 13px; font-weight: 700; }
    .rank-tag { padding: 3px 8px; border-radius: 999px; color: var(--mint); background: rgba(125,225,192,.1); font-size: 10px; }
    .rank-score { color: var(--amber); font-size: 11px; white-space: nowrap; }
    .editor-pick { position: relative; min-height: 350px; display: flex; align-items: end; overflow: hidden; border-radius: var(--radius); }
    .editor-pick img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .editor-pick::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,14,13,.94), transparent 85%); }
    .editor-copy { position: relative; z-index: 1; padding: 26px; }
    .editor-copy .badge { position: static; display: inline-flex; margin-bottom: 13px; }
    .editor-copy h3 { margin: 0 0 8px; font-size: 22px; }
    .editor-copy p { margin: 0; color: #d0dad5; font-size: 12px; }
    .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
    .time-item { position: relative; padding: 23px 20px 0 0; }
    .time-item::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(182,240,120,.12); }
    .time-item strong { display: block; color: var(--green); font-size: 12px; }
    .time-item h3 { margin: 8px 0 5px; font-size: 14px; }
    .time-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .news-card { display: grid; grid-template-columns: 100px 1fr; gap: 15px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); transition: border-color .2s, transform .2s; }
    .news-card:hover { transform: translateY(-2px); border-color: rgba(125,225,192,.4); }
    .news-card img { width: 100px; aspect-ratio: 1.35; object-fit: cover; border-radius: 9px; }
    .news-card time { color: var(--mint); font-size: 10px; }
    .news-card h3 { margin: 5px 0; font-size: 12px; line-height: 1.5; }
    .news-card p { margin: 0; color: var(--soft); font-size: 10px; }
    .assurance { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: center; }
    .assurance h2 { margin: 0 0 12px; font-size: 28px; }
    .assurance p { margin: 0; color: var(--muted); font-size: 13px; }
    .assurance-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .assurance-point { padding: 18px 15px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.025); }
    .assurance-point b { display: block; margin-bottom: 6px; color: var(--green); font-size: 13px; }
    .assurance-point span { color: var(--muted); font-size: 11px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .faq-item { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
    .faq-item h3 { margin: 0 0 8px; font-size: 14px; }
    .faq-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .final-band { padding: 42px 0; background: linear-gradient(110deg, #31483c, #1d3029 65%, #243d35); }
    .final-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
    .final-inner h2 { margin: 0 0 5px; font-size: 22px; }
    .final-inner p { margin: 0; color: #c6d4cd; font-size: 12px; }
    .footer { padding: 56px 0 24px; background: #0c1413; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; padding-bottom: 38px; }
    .footer-brand p { max-width: 330px; color: var(--muted); font-size: 12px; }
    .footer-col h3 { margin: 0 0 13px; color: #e7eee9; font-size: 12px; }
    .footer-col a { display: block; width: fit-content; margin: 8px 0; color: var(--muted); font-size: 11px; }
    .footer-col a:hover { color: var(--green); }
    .copyright { display: flex; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--soft); font-size: 10px; }
    .bottom-bar { position: fixed; z-index: 15; right: 20px; bottom: 18px; display: flex; align-items: center; gap: 14px; padding: 10px 11px 10px 17px; border: 1px solid rgba(182,240,120,.28); border-radius: 999px; background: rgba(17,27,24,.92); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
    .bottom-bar span { color: #d8e2dc; font-size: 11px; }
    .bottom-bar a { padding: 8px 14px; border-radius: 999px; color: #17211b; background: var(--green); font-size: 11px; font-weight: 800; }
    @media (max-width: 1024px) {
      .catalog-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .nav { gap: 20px; }
      .nav-links { gap: 16px; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 34px, var(--max)); }
      .nav { min-height: 68px; }
      .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
      .nav-action { display: none; }
      .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 12px 18px 18px; border-bottom: 1px solid var(--line); background: #101a19; }
      .nav-links.open { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
      .nav-links a { padding: 11px 5px; }
      .hero { min-height: 550px; }
      .hero-content { padding: 78px 0 52px; }
      main section { padding: 58px 0; }
      .section-head { display: block; }
      .section-head .text-link { display: inline-block; margin-top: 12px; }
      .feature-grid { grid-template-columns: 1fr; gap: 18px; }
      .feature-item { border: 0; padding: 0; }
      .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .showcase, .genre-layout, .ranking-layout, .assurance { grid-template-columns: 1fr; }
      .showcase-image, .showcase-image img { min-height: 290px; }
      .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
      .assurance-points { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-brand { grid-column: 1 / -1; }
    }
    @media (max-width: 520px) {
      .top-note .container { min-height: 38px; font-size: 10px; }
      .top-note .container span:last-child { display: none; }
      .brand { font-size: 14px; gap: 9px; }
      .brand-mark { width: 34px; height: 34px; }
      .hero { min-height: 560px; }
      .hero::after { background: linear-gradient(90deg, rgba(11,19,18,.9), rgba(11,19,18,.38)), linear-gradient(0deg, rgba(11,19,18,.9), transparent 85%); }
      .hero-content { padding: 75px 0 46px; }
      h1 { font-size: 38px; }
      .hero-sub { font-size: 16px; }
      .hero-copy { font-size: 13px; }
      .hero-actions .button { flex: 1 1 100%; }
      .hero-facts { gap: 8px 14px; }
      .section-head h2, .showcase-copy h2, .assurance h2 { font-size: 24px; }
      .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px 12px; }
      .genre-grid, .faq-list { grid-template-columns: 1fr; }
      .quote-panel { min-height: 220px; padding: 22px; }
      .rank-list li { grid-template-columns: 28px 1fr auto; gap: 9px; }
      .rank-tag { display: none; }
      .news-grid { grid-template-columns: 1fr; }
      .news-card { grid-template-columns: 92px 1fr; }
      .news-card img { width: 92px; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .assurance-points { grid-template-columns: 1fr; }
      .final-inner { display: block; }
      .final-inner .button { margin-top: 18px; width: 100%; }
      .footer-grid { gap: 25px 18px; }
      .copyright { flex-direction: column; }
      .bottom-bar { right: 10px; bottom: 10px; left: 10px; justify-content: space-between; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
    }