/* roulang page: index */
:root {
      --bg: #050914;
      --bg-2: #071427;
      --panel: rgba(9, 24, 48, .68);
      --panel-strong: rgba(12, 34, 67, .84);
      --text: #f3f8ff;
      --muted: #a9bad1;
      --weak: #71849d;
      --cyan: #35e7ff;
      --cyan-2: #2b8cff;
      --pink: #ff4fa3;
      --green: #44f5bc;
      --line: rgba(111, 218, 255, .22);
      --line-strong: rgba(70, 232, 255, .52);
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 24px 80px rgba(25, 197, 255, .16);
      --container: 1200px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.7;
      background:
        radial-gradient(circle at 12% 10%, rgba(53, 231, 255, .16), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(255, 79, 163, .10), transparent 28%),
        linear-gradient(180deg, #050914 0%, #061226 44%, #040711 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(96, 201, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96, 201, 255, .05) 1px, transparent 1px),
        linear-gradient(180deg, transparent 0%, rgba(255,255,255,.025) 50%, transparent 100%);
      background-size: 42px 42px, 42px 42px, 100% 5px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.95), rgba(0,0,0,.35));
      z-index: -1;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select { font: inherit; }
    button { cursor: pointer; border: 0; }
    img { max-width: 100%; display: block; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .section { padding: 82px 0; position: relative; }
    .section.compact { padding: 58px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--cyan);
      background: rgba(8, 22, 42, .72);
      font-size: 13px;
      font-weight: 700;
    }
    .eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 18px var(--green); }
    .section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 420px); gap: 28px; align-items: end; margin-bottom: 28px; }
    .section-title { margin: 12px 0 0; font-size: clamp(28px, 4vw, 46px); line-height: 1.16; letter-spacing: 0; }
    .section-desc { margin: 0; color: var(--muted); font-size: 16px; }

    .site-header { position: sticky; top: 16px; z-index: 50; padding: 0 18px; }
    .nav-shell {
      width: min(100%, 1220px);
      margin: 0 auto;
      min-height: 72px;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 18px;
      padding: 12px 18px;
      border: 1px solid rgba(140, 225, 255, .18);
      border-radius: 18px;
      background: rgba(4, 14, 30, .72);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 60px rgba(0, 0, 0, .28), inset 0 1px 0 rgba(255,255,255,.08);
    }
    .nav-left, .nav-right { display: flex; align-items: center; gap: 8px; }
    .nav-left { justify-content: flex-end; }
    .nav-right { justify-content: flex-start; }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      white-space: nowrap;
      color: #fff;
    }
    .brand-mark {
      width: 36px; height: 36px; border-radius: 12px;
      background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
      box-shadow: 0 0 28px rgba(53, 231, 255, .42);
      position: relative;
    }
    .brand-mark::after { content: ""; position: absolute; inset: 9px; border: 2px solid rgba(255,255,255,.85); border-radius: 8px; }
    .nav-link {
      position: relative;
      padding: 10px 12px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      border-radius: 999px;
      transition: color .2s ease, background .2s ease;
    }
    .nav-link:hover, .nav-link.active { color: var(--text); background: rgba(53, 231, 255, .08); }
    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 50%; bottom: 4px;
      width: 18px; height: 2px;
      transform: translateX(-50%);
      background: var(--cyan);
      box-shadow: 0 0 12px var(--cyan);
    }
    .menu-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; color: var(--text); background: rgba(255,255,255,.06); border: 1px solid var(--line); }
    .mobile-panel { display: none; }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      white-space: normal;
      text-align: center;
    }
    .btn-primary { color: #02111e; background: linear-gradient(135deg, var(--cyan), #7cf7ff 52%, var(--cyan-2)); box-shadow: 0 0 28px rgba(53, 231, 255, .36); }
    .btn-secondary { color: var(--text); background: rgba(255,255,255,.06); border: 1px solid var(--line); }
    .btn:hover { transform: translateY(-1px); }
    .btn-primary:hover { box-shadow: 0 0 42px rgba(53, 231, 255, .54); }
    .btn:focus-visible, .nav-link:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
    .badge, .tag {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 4px 9px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }
    .badge.hot { color: #ffd7ea; border-color: rgba(255, 79, 163, .32); background: rgba(255, 79, 163, .09); }
    .badge.ok { color: #c7fff0; border-color: rgba(68, 245, 188, .32); background: rgba(68, 245, 188, .08); }

    .hero { padding: 58px 0 28px; }
    .hero-stage {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 24px;
      background:
        linear-gradient(135deg, rgba(6, 28, 56, .88), rgba(5, 10, 23, .78)),
        radial-gradient(circle at 80% 40%, rgba(53, 231, 255, .16), transparent 34%);
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
      padding: clamp(28px, 5vw, 58px);
    }
    .hero-stage::after {
      content: "";
      position: absolute;
      right: -10%; top: -35%;
      width: 520px; height: 520px;
      border: 1px solid rgba(53,231,255,.18);
      border-radius: 42px;
      transform: rotate(18deg);
      background: linear-gradient(135deg, rgba(53,231,255,.08), rgba(255,79,163,.04));
    }
    .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: 34px; align-items: center; }
    h1 { margin: 14px 0 18px; max-width: 820px; font-size: clamp(36px, 6vw, 68px); line-height: 1.08; letter-spacing: 0; }
    .hero-copy { color: var(--muted); font-size: 17px; max-width: 760px; margin: 0 0 24px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 24px; }
    .hero-points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
    .point { padding: 13px 14px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.045); }
    .point strong { display: block; color: var(--cyan); font-size: 22px; line-height: 1.2; font-variant-numeric: tabular-nums; }
    .point span { color: var(--muted); font-size: 13px; }
    .demo-matrix { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .matrix-card {
      min-height: 126px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(5, 18, 38, .72);
      backdrop-filter: blur(16px);
      position: relative;
      overflow: hidden;
    }
    .matrix-card.wide { grid-column: 1 / -1; min-height: 112px; }
    .matrix-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(53,231,255,.14), transparent 45%); opacity: .65; }
    .matrix-card > * { position: relative; z-index: 1; }
    .matrix-title { margin: 12px 0 6px; font-weight: 900; font-size: 18px; }
    .matrix-text { margin: 0; color: var(--muted); font-size: 14px; }
    .countdown {
      margin-top: 18px;
      display: grid;
      grid-template-columns: auto repeat(4, 1fr);
      gap: 12px;
      align-items: center;
      padding: 14px;
      border: 1px solid var(--line-strong);
      border-radius: 18px;
      background: rgba(4, 20, 38, .78);
      box-shadow: inset 0 0 28px rgba(53,231,255,.08);
    }
    .count-label { color: var(--muted); font-weight: 800; padding: 0 8px; }
    .timebox { text-align: center; padding: 10px 8px; border-radius: 12px; background: rgba(53,231,255,.08); border: 1px solid rgba(53,231,255,.18); }
    .timebox b { display: block; color: var(--text); font-size: 24px; line-height: 1; font-variant-numeric: tabular-nums; }
    .timebox span { color: var(--weak); font-size: 12px; }

    .highlight-strip { display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); gap: 14px; }
    .strip-main, .glass-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .glass-card:hover, .strip-main:hover { transform: translateY(-2px); border-color: var(--line-strong); background: rgba(13, 38, 72, .76); }
    .strip-main { padding: 22px; }
    .strip-main h2 { margin: 12px 0 10px; font-size: 30px; line-height: 1.2; }
    .strip-main p, .glass-card p { color: var(--muted); margin: 0; }
    .feature-card { padding: 20px; min-height: 210px; display: flex; flex-direction: column; justify-content: space-between; }
    .feature-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; color: var(--cyan); background: rgba(53,231,255,.10); border: 1px solid rgba(53,231,255,.22); font-weight: 900; }
    .feature-card h3 { margin: 14px 0 8px; font-size: 20px; }

    .material-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 16px; }
    .material-card { min-height: 220px; padding: 20px; position: relative; overflow: hidden; }
    .material-card.large { min-height: 330px; }
    .cover-art {
      height: 138px;
      border-radius: 13px;
      border: 1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg, rgba(53,231,255,.24), transparent 42%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 16px),
        linear-gradient(160deg, rgba(9,36,72,.94), rgba(5,9,22,.9));
      margin-bottom: 14px;
      position: relative;
      overflow: hidden;
    }
    .cover-art::after { content: ""; position: absolute; inset: auto 16px 16px 16px; height: 4px; border-radius: 999px; background: linear-gradient(90deg, var(--cyan), var(--pink)); box-shadow: 0 0 18px rgba(53,231,255,.5); }
    .material-card h3 { margin: 8px 0 8px; font-size: 21px; }

    .catalog-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
    .catalog-card { padding: 18px; min-height: 170px; }
    .catalog-card strong { display: block; font-size: 19px; margin: 12px 0 8px; }
    .catalog-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 18px; color: var(--weak); font-size: 13px; }

    .insight-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; align-items: stretch; }
    .quote-card { padding: 26px; border-color: rgba(255,79,163,.26); }
    .quote-card blockquote { margin: 0; font-size: 24px; line-height: 1.45; font-weight: 850; }
    .quote-card p { margin-top: 16px; }
    .rank-list { padding: 10px; }
    .rank-row { display: grid; grid-template-columns: 42px 1fr auto; gap: 14px; align-items: center; padding: 15px 12px; border-bottom: 1px solid rgba(255,255,255,.08); }
    .rank-row:last-child { border-bottom: 0; }
    .rank-no { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: #03111e; background: var(--cyan); font-weight: 900; }
    .rank-row h3 { margin: 0 0 3px; font-size: 16px; }
    .rank-row p { margin: 0; color: var(--muted); font-size: 13px; }
    .rank-score { color: var(--green); font-weight: 900; font-variant-numeric: tabular-nums; }

    .news-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; }
    .news-list { padding: 8px; }
    .news-item { display: grid; grid-template-columns: 116px 1fr auto; gap: 16px; align-items: center; padding: 16px; border-radius: 14px; transition: background .2s ease; }
    .news-item:hover { background: rgba(53,231,255,.07); }
    .news-date { color: var(--cyan); font-weight: 900; font-variant-numeric: tabular-nums; }
    .news-item h3 { margin: 0 0 4px; font-size: 17px; }
    .news-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .arrow { color: var(--cyan); font-size: 22px; }
    .recommend { padding: 22px; }
    .recommend h3 { margin: 0 0 12px; font-size: 22px; }
    .recommend ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
    .recommend li { padding: 12px; border-radius: 12px; background: rgba(255,255,255,.045); color: var(--muted); }

    .entry-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: stretch; }
    .form-card { padding: 24px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0; }
    .field { display: grid; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 700; }
    input, select {
      width: 100%;
      min-height: 46px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: rgba(5, 14, 30, .72);
      color: var(--text);
      padding: 0 13px;
      outline: 0;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    input:focus, select:focus { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(53,231,255,.12); }
    .checkline { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 13px; }
    .checkline input { width: 18px; min-height: 18px; margin-top: 4px; accent-color: var(--cyan); }
    .cta-copy { padding: 26px; display: flex; flex-direction: column; justify-content: center; }
    .cta-copy h2 { margin: 12px 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.16; }
    .cta-copy p { color: var(--muted); margin: 0 0 18px; }

    .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); backdrop-filter: blur(18px); overflow: hidden; }
    summary { list-style: none; padding: 18px 48px 18px 18px; font-weight: 850; position: relative; cursor: pointer; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 18px; top: 16px; color: var(--cyan); font-size: 22px; transition: transform .2s ease; }
    details[open] summary::after { transform: rotate(45deg); }
    details p { margin: 0; padding: 0 18px 18px; color: var(--muted); }

    .site-footer { padding: 54px 0 30px; border-top: 1px solid rgba(255,255,255,.08); background: rgba(2, 7, 16, .56); }
    .footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 28px; }
    .footer-title { display: flex; align-items: center; gap: 10px; font-weight: 900; margin-bottom: 12px; }
    .footer-grid p, .footer-grid a, .copyright { color: var(--muted); }
    .footer-links { display: grid; gap: 9px; }
    .footer-links a:hover { color: var(--cyan); }
    .copyright { margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; }

    @media (max-width: 1024px) {
      .nav-left, .nav-right { display: none; }
      .nav-shell { grid-template-columns: 1fr auto; }
      .brand { justify-self: start; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; width: 20px; height: 2px; background: var(--text); display: block; border-radius: 999px; }
      .menu-toggle { gap: 5px; }
      .mobile-panel { display: none; width: min(100% - 36px, 1220px); margin: 8px auto 0; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: rgba(4, 14, 30, .92); backdrop-filter: blur(18px); }
      .mobile-panel.open { display: grid; gap: 8px; }
      .mobile-panel .nav-link { display: block; }
      .hero-grid, .section-head, .highlight-strip, .material-grid, .insight-layout, .news-layout, .entry-panel { grid-template-columns: 1fr; }
      .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .hero-stage { padding-top: 34px; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, var(--container)); }
      .section { padding: 54px 0; }
      .hero { padding-top: 34px; }
      .hero-points, .demo-matrix, .faq-grid, .form-grid, .footer-grid { grid-template-columns: 1fr; }
      .countdown { grid-template-columns: repeat(2, 1fr); }
      .count-label { grid-column: 1 / -1; text-align: center; }
      .news-item { grid-template-columns: 1fr; gap: 8px; }
      .news-date { font-size: 13px; }
      .catalog-grid { grid-template-columns: 1fr; }
      .brand { font-size: 14px; white-space: normal; }
      .site-header { top: 10px; padding: 0 10px; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 34px; }
      .hero-actions .btn { width: 100%; }
      .section-title { font-size: 28px; }
      .rank-row { grid-template-columns: 34px 1fr; }
      .rank-score { grid-column: 2; }
    }

/* roulang page: category1 */
:root {
      --bg: #050914;
      --bg-deep: #07111f;
      --panel: rgba(10, 24, 44, 0.68);
      --panel-strong: rgba(13, 32, 58, 0.86);
      --cyan: #35e7ff;
      --cyan-soft: rgba(53, 231, 255, 0.18);
      --cyan-line: rgba(76, 220, 255, 0.46);
      --pink: #ff4fb8;
      --pink-soft: rgba(255, 79, 184, 0.16);
      --green: #38f0b2;
      --text: #eef8ff;
      --muted: #a9bdd4;
      --faint: #6f86a2;
      --line: rgba(185, 231, 255, 0.16);
      --line-strong: rgba(80, 225, 255, 0.45);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --shadow: 0 20px 60px rgba(0, 0, 0, 0.34), 0 0 32px rgba(35, 207, 255, 0.12);
      --container: 1200px;
      --nav-h: 76px;
      --ease: 180ms ease;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.65;
      color: var(--text);
      background:
        radial-gradient(circle at 16% 10%, rgba(45, 214, 255, 0.16), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(255, 79, 184, 0.10), transparent 26%),
        linear-gradient(135deg, #040712 0%, #07111f 48%, #090824 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(92, 223, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(92, 223, 255, 0.045) 1px, transparent 1px),
        linear-gradient(rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0));
      background-size: 42px 42px, 42px 42px, 100% 5px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.95), rgba(0,0,0,0.35));
      z-index: -2;
    }
    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background: repeating-linear-gradient(90deg, transparent 0 74px, rgba(53, 231, 255, 0.025) 75px 76px);
      opacity: 0.55;
      z-index: -1;
    }

    a { color: inherit; text-decoration: none; }
    img, svg { display: block; max-width: 100%; }
    button, input, select { font: inherit; }
    button { cursor: pointer; }
    ::selection { background: rgba(53, 231, 255, 0.28); color: #fff; }

    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .site-header { position: sticky; top: 14px; z-index: 50; padding: 0 20px; }
    .nav-shell {
      height: var(--nav-h);
      max-width: 1120px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 18px;
      padding: 0 22px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(4, 12, 25, 0.72);
      backdrop-filter: blur(20px);
      box-shadow: 0 12px 36px rgba(0,0,0,0.26), inset 0 1px 0 rgba(255,255,255,0.06);
    }
    .nav-left, .nav-right { display: flex; align-items: center; gap: 8px; }
    .nav-left { justify-content: flex-start; }
    .nav-right { justify-content: flex-end; }
    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 12px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      white-space: nowrap;
      transition: color var(--ease), background var(--ease), transform var(--ease);
    }
    .nav-link:hover { color: var(--text); background: rgba(255,255,255,0.055); transform: translateY(-1px); }
    .nav-link.active { color: var(--cyan); }
    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 4px;
      height: 2px;
      border-radius: 2px;
      background: var(--cyan);
      box-shadow: 0 0 12px var(--cyan);
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 900;
      color: #fff;
      letter-spacing: 0;
      text-align: center;
      text-shadow: 0 0 18px rgba(53, 231, 255, 0.25);
      white-space: nowrap;
    }
    .brand-mark {
      width: 28px;
      height: 28px;
      border-radius: 10px;
      background:
        linear-gradient(135deg, rgba(53,231,255,0.9), rgba(255,79,184,0.62)),
        radial-gradient(circle at 30% 30%, #fff, transparent 28%);
      box-shadow: 0 0 20px rgba(53, 231, 255, 0.55);
      flex: 0 0 auto;
    }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,0.04); color: var(--text); }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 18px; height: 2px; margin: 0 auto; background: var(--text); border-radius: 2px; content: ""; transition: transform var(--ease), opacity var(--ease);
    }
    .menu-toggle span::before { transform: translateY(-6px); }
    .menu-toggle span::after { transform: translateY(4px); }
    .menu-toggle[aria-expanded="true"] span { background: transparent; }
    .menu-toggle[aria-expanded="true"] span::before { transform: translateY(2px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] span::after { transform: translateY(0) rotate(-45deg); }
    .mobile-panel {
      display: none;
      width: min(100% - 40px, 480px);
      margin: 10px auto 0;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(5, 14, 28, 0.92);
      backdrop-filter: blur(20px);
      box-shadow: var(--shadow);
    }
    .mobile-panel.open { display: grid; gap: 8px; }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 800;
      color: var(--text);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease);
    }
    .btn:hover { transform: translateY(-1px); }
    .btn:active { transform: translateY(0); }
    .btn:focus-visible, .nav-link:focus-visible, .menu-toggle:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
      outline: 3px solid rgba(53, 231, 255, 0.28);
      outline-offset: 3px;
    }
    .btn-primary {
      color: #03111b;
      background: linear-gradient(135deg, #35e7ff, #64f7d4);
      box-shadow: 0 0 22px rgba(53, 231, 255, 0.42), inset 0 1px 0 rgba(255,255,255,0.36);
    }
    .btn-primary:hover { box-shadow: 0 0 34px rgba(53, 231, 255, 0.62); }
    .btn-secondary {
      background: rgba(255,255,255,0.045);
      border-color: var(--line-strong);
      color: var(--text);
    }
    .btn-secondary:hover { background: rgba(53,231,255,0.10); }

    .hero { padding: 82px 0 42px; }
    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
      gap: 28px;
      align-items: stretch;
    }
    .hero-copy { padding: 42px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 10px;
      border: 1px solid var(--cyan-line);
      border-radius: 999px;
      background: var(--cyan-soft);
      color: #bcf7ff;
      font-size: 13px;
      font-weight: 800;
    }
    .eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      margin: 18px 0 16px;
      font-size: clamp(34px, 5vw, 64px);
      line-height: 1.08;
      font-weight: 900;
      letter-spacing: 0;
      max-width: 820px;
    }
    .hero-subtitle {
      max-width: 760px;
      color: var(--muted);
      font-size: 18px;
      margin-bottom: 26px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
    .hero-note { color: var(--faint); font-size: 13px; margin-top: 14px; }

    .preview-panel {
      position: relative;
      min-height: 500px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: linear-gradient(145deg, rgba(14, 34, 62, 0.86), rgba(6, 13, 28, 0.72));
      backdrop-filter: blur(20px);
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .preview-panel::before {
      content: "";
      position: absolute;
      inset: 12px;
      border: 1px solid rgba(53,231,255,0.12);
      border-radius: 18px;
      pointer-events: none;
    }
    .preview-cover {
      position: relative;
      height: 260px;
      border-radius: 16px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(53,231,255,0.2), rgba(255,79,184,0.12)),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.055) 0 2px, transparent 2px 18px),
        radial-gradient(circle at 70% 30%, rgba(53,231,255,0.35), transparent 28%),
        #081528;
      border: 1px solid rgba(100, 224, 255, 0.22);
    }
    .preview-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(5, 9, 20, 0.85), transparent 55%);
    }
    .preview-status {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 16px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 12px;
      z-index: 1;
    }
    .status-title { font-size: 20px; font-weight: 900; }
    .status-small { color: var(--muted); font-size: 13px; }
    .live-badge { padding: 7px 10px; border-radius: 999px; background: var(--pink-soft); color: #ffc7ea; border: 1px solid rgba(255,79,184,0.35); font-size: 12px; font-weight: 900; white-space: nowrap; }
    .subscribe-box { position: relative; margin-top: 16px; padding: 16px; border-radius: 16px; border: 1px solid var(--line); background: rgba(255,255,255,0.04); }
    .subscribe-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 12px; }
    .input, .select {
      width: 100%;
      min-height: 44px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(2, 10, 22, 0.72);
      color: var(--text);
      padding: 0 14px;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }
    .input:focus, .select:focus { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(53,231,255,0.12); background: rgba(2, 12, 26, 0.9); }
    .input::placeholder { color: #7188a3; }

    .countdown-strip {
      margin-top: 22px;
      padding: 16px;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-lg);
      background: linear-gradient(90deg, rgba(53,231,255,0.12), rgba(255,79,184,0.08), rgba(53,231,255,0.08));
      box-shadow: 0 0 28px rgba(53,231,255,0.14);
    }
    .countdown-head { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 14px; margin-bottom: 12px; }
    .time-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .time-block { padding: 12px 8px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.12); background: rgba(5, 13, 26, 0.72); text-align: center; }
    .time-block strong { display: block; font-variant-numeric: tabular-nums; font-size: 26px; line-height: 1; color: var(--cyan); text-shadow: 0 0 12px rgba(53,231,255,0.45); }
    .time-block span { color: var(--faint); font-size: 12px; }

    .section { padding: 54px 0; }
    .section-head { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(260px, 0.45fr); gap: 24px; align-items: end; margin-bottom: 22px; }
    .section-kicker { color: var(--cyan); font-size: 13px; font-weight: 900; margin-bottom: 8px; }
    .section h2 { font-size: clamp(25px, 3vw, 38px); line-height: 1.18; margin-bottom: 10px; }
    .section-desc { color: var(--muted); margin: 0; }

    .filter-panel {
      display: grid;
      gap: 14px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }
    .filter-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
    .filter-label { color: var(--faint); font-size: 13px; min-width: 70px; }
    .pill {
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255,255,255,0.04);
      color: var(--muted);
      padding: 8px 12px;
      font-size: 13px;
      font-weight: 800;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease);
    }
    .pill:hover, .pill.active { color: var(--cyan); border-color: var(--cyan-line); background: var(--cyan-soft); transform: translateY(-1px); }

    .content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
    .guide-list { display: grid; gap: 16px; }
    .guide-card {
      position: relative;
      display: grid;
      grid-template-columns: 130px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 44px rgba(0,0,0,0.24);
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
      overflow: hidden;
    }
    .guide-card::before { content: attr(data-code); position: absolute; top: 12px; right: 16px; color: rgba(255,255,255,0.06); font-weight: 900; font-size: 42px; line-height: 1; }
    .guide-card:hover { transform: translateY(-3px); border-color: var(--line-strong); background: rgba(14, 35, 62, 0.76); box-shadow: 0 20px 54px rgba(0,0,0,0.28), 0 0 26px rgba(53,231,255,0.12); }
    .thumb {
      aspect-ratio: 1.12 / 1;
      border-radius: 14px;
      border: 1px solid rgba(99, 225, 255, 0.22);
      background:
        radial-gradient(circle at 30% 25%, rgba(53,231,255,0.34), transparent 28%),
        radial-gradient(circle at 80% 72%, rgba(255,79,184,0.20), transparent 28%),
        linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
      position: relative;
      overflow: hidden;
    }
    .thumb::after { content: ""; position: absolute; inset: 18px; border: 1px solid rgba(255,255,255,0.13); border-radius: 10px; box-shadow: inset 0 0 24px rgba(53,231,255,0.10); }
    .guide-content h3 { margin: 0 0 6px; font-size: 21px; }
    .guide-content p { margin: 0 0 12px; color: var(--muted); }
    .tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag, .badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 0 9px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.12);
      color: #cfe7f6;
      background: rgba(255,255,255,0.045);
      font-size: 12px;
      font-weight: 800;
    }
    .badge-cyan { color: #bff8ff; border-color: var(--cyan-line); background: var(--cyan-soft); }
    .badge-pink { color: #ffd0ec; border-color: rgba(255,79,184,0.36); background: var(--pink-soft); }
    .meta { display: grid; gap: 10px; justify-items: end; min-width: 128px; position: relative; z-index: 1; }
    .meta time { color: var(--faint); font-size: 12px; }

    .side-stack { display: grid; gap: 16px; position: sticky; top: 106px; }
    .side-card, .glass-card {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 44px rgba(0,0,0,0.22);
    }
    .side-card { padding: 18px; }
    .side-card h3 { margin-bottom: 10px; font-size: 18px; }
    .check-list { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; color: var(--muted); }
    .check-list li { display: grid; grid-template-columns: 18px 1fr; gap: 8px; }
    .check-list li::before { content: ""; width: 9px; height: 9px; border-radius: 50%; margin-top: 8px; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
    .mini-stat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 14px; }
    .mini-stat div { padding: 12px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,0.035); }
    .mini-stat strong { display: block; color: var(--cyan); font-size: 22px; line-height: 1; }
    .mini-stat span { color: var(--faint); font-size: 12px; }

    .wall-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .wall-card {
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02)),
        rgba(8, 20, 40, 0.68);
      overflow: hidden;
      position: relative;
      transition: transform var(--ease), border-color var(--ease);
    }
    .wall-card:nth-child(2), .wall-card:nth-child(5) { min-height: 270px; }
    .wall-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 18%, rgba(53,231,255,0.20), transparent 28%); pointer-events: none; }
    .wall-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
    .wall-card h3 { margin: 16px 0 8px; font-size: 19px; position: relative; }
    .wall-card p { color: var(--muted); margin: 0; position: relative; }

    .process-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 20px; align-items: stretch; }
    .process-panel { padding: 22px; }
    .step-list { counter-reset: step; display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
    .step-list li { counter-increment: step; display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,0.035); }
    .step-list li::before { content: counter(step, decimal-leading-zero); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--cyan-soft); color: var(--cyan); font-weight: 900; border: 1px solid var(--cyan-line); }
    .step-list strong { display: block; margin-bottom: 3px; }
    .step-list span { color: var(--muted); }

    .cta-panel {
      padding: 28px;
      border: 1px solid var(--line-strong);
      border-radius: 22px;
      background:
        radial-gradient(circle at 18% 20%, rgba(53,231,255,0.18), transparent 30%),
        radial-gradient(circle at 92% 28%, rgba(255,79,184,0.12), transparent 26%),
        rgba(8, 20, 40, 0.78);
      box-shadow: 0 0 42px rgba(53,231,255,0.16), var(--shadow);
    }
    .cta-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; margin-top: 18px; }
    .form-hint { color: var(--faint); font-size: 13px; margin-top: 10px; }

    .faq-wrap { display: grid; gap: 12px; }
    details.faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--panel);
      backdrop-filter: blur(18px);
      overflow: hidden;
      transition: border-color var(--ease), background var(--ease);
    }
    details.faq-item[open] { border-color: var(--line-strong); background: rgba(12, 30, 54, 0.78); }
    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      font-weight: 850;
      cursor: pointer;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 10px; background: var(--cyan-soft); color: var(--cyan); border: 1px solid var(--cyan-line); flex: 0 0 auto; transition: transform var(--ease); }
    .faq-item[open] summary::after { transform: rotate(45deg); }
    .faq-item p { padding: 0 20px 18px; margin: 0; color: var(--muted); }

    .pagination { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
    .page-btn { min-width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,0.035); color: var(--muted); font-weight: 900; }
    .page-btn.active, .page-btn:hover { color: #03111b; background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 18px rgba(53,231,255,0.38); }

    .site-footer { margin-top: 36px; padding: 54px 0 26px; border-top: 1px solid var(--line); background: rgba(2, 7, 16, 0.62); }
    .footer-grid { display: grid; grid-template-columns: 1.2fr 0.72fr 1fr; gap: 28px; }
    .footer-title { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; margin-bottom: 12px; }
    .site-footer p { color: var(--muted); margin-bottom: 0; }
    .site-footer h3 { margin: 0 0 12px; font-size: 16px; }
    .footer-links { display: grid; gap: 8px; }
    .footer-links a { color: var(--muted); transition: color var(--ease); }
    .footer-links a:hover { color: var(--cyan); }
    .copyright { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--faint); font-size: 13px; }

    @media (max-width: 1024px) {
      .nav-shell { grid-template-columns: 1fr auto; }
      .nav-left, .nav-right { display: none; }
      .brand { justify-self: start; }
      .menu-toggle { display: grid; place-items: center; justify-self: end; }
      .hero-grid, .content-layout, .process-grid, .section-head { grid-template-columns: 1fr; }
      .hero-copy { padding: 24px 0 0; }
      .preview-panel { min-height: auto; }
      .side-stack { position: static; }
      .wall-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .container { width: min(100% - 32px, var(--container)); }
      .site-header { top: 10px; padding: 0 12px; }
      .nav-shell { height: 64px; padding: 0 14px; border-radius: 20px; }
      .brand span:last-child { font-size: 14px; overflow-wrap: anywhere; }
      .hero { padding-top: 46px; }
      .hero-copy { padding-top: 12px; }
      .hero-actions .btn { width: 100%; }
      .subscribe-row, .cta-form { grid-template-columns: 1fr; }
      .time-grid { grid-template-columns: repeat(2, 1fr); }
      .guide-card { grid-template-columns: 88px minmax(0, 1fr); }
      .meta { grid-column: 1 / -1; justify-items: stretch; grid-template-columns: 1fr auto; align-items: center; }
      .meta .btn { min-height: 40px; }
      .wall-grid { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
      .wall-card { min-width: 78%; scroll-snap-align: start; }
      .footer-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 520px) {
      h1 { font-size: 32px; }
      .section { padding: 42px 0; }
      .preview-cover { height: 220px; }
      .preview-status { align-items: start; flex-direction: column; }
      .guide-card { grid-template-columns: 1fr; }
      .thumb { max-width: 160px; }
      .filter-label { width: 100%; }
      .pill { flex: 1 1 auto; text-align: center; justify-content: center; }
    }