/* roulang page: index */
:root{
      --bg:#111014;
      --bg-2:#171318;
      --panel:#21181d;
      --panel-2:#261b21;
      --panel-3:#1a1418;
      --primary:#8f1f3d;
      --primary-2:#b02a4b;
      --gold:#c28a45;
      --text:#f4efe9;
      --muted:#b9aeb2;
      --soft:#897b80;
      --line:#3a2930;
      --line-2:#51313a;
      --shadow:0 18px 55px rgba(0,0,0,.34);
      --shadow-soft:0 12px 30px rgba(0,0,0,.22);
      --radius:8px;
      --radius-sm:6px;
      --container:1220px;
      --nav-h:74px;
      --safe-bottom:calc(env(safe-area-inset-bottom, 0px) + 86px);
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      background:
        radial-gradient(circle at 18% 0%, rgba(176,42,75,.18), transparent 32%),
        radial-gradient(circle at 82% 12%, rgba(194,138,69,.12), transparent 28%),
        linear-gradient(180deg, var(--bg), var(--bg-2) 42%, #0d0c0f);
      color:var(--text);
      font-size:16px;
      line-height:1.7;
      padding-bottom:var(--safe-bottom);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.06;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.38) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.28) 1px, transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(180deg,#000,transparent 78%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:2px solid var(--gold);outline-offset:3px}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      height:var(--nav-h);
      display:flex;
      align-items:center;
      background:rgba(17,16,20,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(143,31,61,.42);
      box-shadow:0 8px 28px rgba(0,0,0,.18);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{
      display:flex;align-items:center;gap:10px;
      font-weight:800;color:var(--text);letter-spacing:.01em;
      min-width:max-content;
    }
    .logo-mark{
      width:36px;height:36px;border-radius:7px;
      background:linear-gradient(135deg,var(--primary),#40111f 62%,var(--gold));
      box-shadow:0 0 0 1px rgba(194,138,69,.28),0 10px 28px rgba(143,31,61,.32);
      position:relative;
    }
    .logo-mark:after{
      content:"18+";
      position:absolute;inset:0;display:grid;place-items:center;
      font-size:11px;font-weight:800;color:#fff5ec;
    }
    .logo-text{font-size:17px;white-space:nowrap}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-link{
      padding:9px 13px;border-radius:var(--radius-sm);
      color:var(--muted);font-size:14px;font-weight:650;
      border:1px solid transparent;
      transition:.22s ease;
      position:relative;
    }
    .nav-link:hover{color:var(--text);background:rgba(143,31,61,.16);border-color:rgba(194,138,69,.18)}
    .nav-link.active{color:#fff;background:rgba(143,31,61,.38);border-color:rgba(194,138,69,.24)}
    .nav-link.active:after{
      content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
      background:var(--gold);border-radius:9px;
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .age-pill{
      border:1px solid var(--line-2);color:var(--muted);
      padding:8px 10px;border-radius:999px;font-size:13px;background:rgba(33,24,29,.76);
    }
    .menu-btn{
      display:none;width:42px;height:42px;border:1px solid var(--line);
      background:var(--panel);border-radius:var(--radius-sm);color:var(--text);
    }
    .menu-btn span{display:block;width:18px;height:2px;background:var(--text);margin:4px auto;border-radius:9px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:11px 18px;border-radius:var(--radius-sm);
      border:1px solid transparent;font-weight:750;color:var(--text);
      transition:transform .22s ease,background .22s ease,border-color .22s ease,box-shadow .22s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{
      background:linear-gradient(180deg,var(--primary-2),var(--primary));
      box-shadow:0 14px 32px rgba(143,31,61,.36);
    }
    .btn-primary:hover{border-color:rgba(194,138,69,.64);box-shadow:0 18px 40px rgba(143,31,61,.48)}
    .btn-secondary{
      background:rgba(38,27,33,.55);
      border-color:var(--line-2);
      color:#fff4ec;
    }
    .btn-secondary:hover{background:rgba(143,31,61,.22);border-color:var(--gold)}
    .btn-ghost{
      background:transparent;border-color:rgba(185,174,178,.25);color:var(--muted);
    }
    .btn-ghost:hover{color:var(--text);background:rgba(194,138,69,.08);border-color:rgba(194,138,69,.5)}
    .section{padding:72px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:26px}
    .section-title{margin:0;font-size:34px;line-height:1.18;letter-spacing:-.02em}
    .section-desc{margin:10px 0 0;color:var(--muted);max-width:650px;font-size:16px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:#f0c992;font-size:13px;font-weight:800;letter-spacing:.04em;
      text-transform:uppercase;margin-bottom:10px;
    }
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(194,138,69,.12)}
    .badge,.tag{
      display:inline-flex;align-items:center;gap:6px;
      border:1px solid rgba(194,138,69,.22);
      color:#e7c08b;background:rgba(194,138,69,.08);
      border-radius:999px;padding:5px 9px;font-size:12px;font-weight:750;
    }
    .tag{color:var(--muted);background:rgba(255,255,255,.03);border-color:var(--line)}
    .hero{
      padding:52px 0 76px;
      position:relative;
      overflow:hidden;
    }
    .hero-stage{
      border:1px solid rgba(194,138,69,.18);
      border-radius:10px;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(17,16,20,.95),rgba(17,16,20,.75) 48%,rgba(143,31,61,.34)),
        radial-gradient(circle at 78% 26%,rgba(194,138,69,.28),transparent 34%),
        linear-gradient(135deg,#21181d,#120e12);
      box-shadow:var(--shadow);
      position:relative;
      min-height:520px;
    }
    .hero-stage:before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px),
        linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);
      background-size:56px 56px;
      opacity:.25;
      pointer-events:none;
    }
    .hero-cover{
      position:absolute;right:0;top:0;bottom:0;width:52%;
      background:
        linear-gradient(180deg,rgba(17,16,20,.08),rgba(17,16,20,.84)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 2px,transparent 2px 14px),
        radial-gradient(circle at 38% 34%,rgba(176,42,75,.75),transparent 25%),
        radial-gradient(circle at 76% 52%,rgba(194,138,69,.36),transparent 26%),
        linear-gradient(135deg,#2d1b22,#0f0c10);
      clip-path:polygon(10% 0,100% 0,100% 100%,0 100%);
      opacity:.86;
    }
    .hero-inner{
      position:relative;z-index:2;
      display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.78fr);
      gap:34px;
      padding:54px;
      align-items:center;
    }
    .hero h1{
      font-size:52px;line-height:1.08;margin:0 0 18px;font-weight:850;letter-spacing:-.03em;
      max-width:720px;
    }
    .hero-lead{margin:0 0 24px;color:#d6cace;font-size:17px;max-width:710px}
    .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}
    .hero-note{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:13px;max-width:650px}
    .hero-note strong{color:#e8c291}
    .live-panel{
      background:rgba(18,13,16,.86);
      border:1px solid rgba(194,138,69,.24);
      border-radius:10px;
      box-shadow:0 18px 52px rgba(0,0,0,.38);
      overflow:hidden;
    }
    .live-preview{
      height:188px;
      position:relative;
      background:
        linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.8)),
        radial-gradient(circle at 25% 30%,rgba(176,42,75,.74),transparent 22%),
        radial-gradient(circle at 70% 44%,rgba(194,138,69,.36),transparent 30%),
        linear-gradient(135deg,#32202a,#141015);
      border-bottom:1px solid var(--line);
    }
    .live-preview:before{
      content:"";position:absolute;inset:18px;
      border:1px solid rgba(255,255,255,.09);
      border-radius:8px;
      background:
        repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
    }
    .live-label{
      position:absolute;left:16px;top:16px;
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(143,31,61,.86);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;padding:6px 10px;border-radius:999px;
      font-size:12px;font-weight:800;
    }
    .pulse{width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 0 0 rgba(255,255,255,.7);animation:pulse 1.5s infinite}
    @keyframes pulse{70%{box-shadow:0 0 0 9px rgba(255,255,255,0)}100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}}
    .live-body{padding:20px}
    .live-body h2{font-size:20px;margin:0 0 8px}
    .live-body p{margin:0;color:var(--muted);font-size:14px}
    .countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:18px 0}
    .timebox{
      background:rgba(255,255,255,.04);border:1px solid var(--line);
      border-radius:7px;text-align:center;padding:10px 6px;
    }
    .timebox b{display:block;font-size:22px;line-height:1.1}
    .timebox span{font-size:11px;color:var(--soft)}
    .remind-box{display:grid;grid-template-columns:1fr auto;gap:9px}
    .remind-box input{
      min-width:0;background:#151015;border:1px solid var(--line);
      color:var(--text);border-radius:var(--radius-sm);padding:0 12px;height:44px;
    }
    .remind-box input:focus{border-color:var(--gold);outline:none}
    .data-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
    .data-chip{
      display:flex;flex-direction:column;
      min-width:118px;padding:12px 14px;border:1px solid var(--line);
      background:rgba(33,24,29,.66);border-radius:var(--radius-sm);
    }
    .data-chip b{font-size:20px;color:#fff}
    .data-chip span{font-size:12px;color:var(--muted)}
    .screenshot-stage{
      background:linear-gradient(180deg,rgba(38,27,33,.78),rgba(25,18,22,.72));
      border-top:1px solid rgba(194,138,69,.13);
      border-bottom:1px solid rgba(194,138,69,.13);
    }
    .stage-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:28px;align-items:center}
    .stage-copy{padding-right:10px}
    .screen{
      border:1px solid var(--line-2);border-radius:10px;background:#120f13;
      box-shadow:var(--shadow);overflow:hidden;
    }
    .screen-top{height:42px;display:flex;align-items:center;gap:7px;padding:0 14px;border-bottom:1px solid var(--line);background:#1a1318}
    .dot{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
    .dot:nth-child(1){background:#8f1f3d}.dot:nth-child(2){background:#c28a45}.dot:nth-child(3){background:#6f5e66}
    .screen-body{padding:18px}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:12px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:8px;margin-bottom:16px}
    .chip{
      border:1px solid var(--line);background:rgba(255,255,255,.02);
      color:var(--muted);border-radius:999px;padding:7px 11px;font-size:13px;font-weight:700;
      transition:.2s ease;
    }
    .chip:hover,.chip.active{background:rgba(143,31,61,.55);color:#fff;border-color:rgba(194,138,69,.34)}
    .mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mini-card{height:116px;border-radius:8px;border:1px solid var(--line);background:linear-gradient(145deg,#2a1a21,#161115);position:relative;overflow:hidden}
    .mini-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 35% 28%,rgba(176,42,75,.55),transparent 30%),radial-gradient(circle at 70% 66%,rgba(194,138,69,.25),transparent 26%)}
    .mini-card span{position:absolute;left:10px;bottom:9px;font-size:12px;color:#ead7cc;background:rgba(0,0,0,.42);padding:4px 7px;border-radius:999px}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .value-card{
      background:rgba(33,24,29,.82);border:1px solid var(--line);
      border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-soft);
      transition:.22s ease;
    }
    .value-card:hover{transform:translateY(-4px);border-color:rgba(194,138,69,.42)}
    .icon{
      width:40px;height:40px;border-radius:8px;display:grid;place-items:center;
      color:#fff;background:rgba(143,31,61,.72);border:1px solid rgba(194,138,69,.24);
      margin-bottom:14px;font-weight:900;
    }
    .value-card h3{margin:0 0 8px;font-size:19px}
    .value-card p{margin:0;color:var(--muted);font-size:14px}
    .steps{display:grid;grid-template-columns:1fr;gap:16px;max-width:880px}
    .step{
      display:grid;grid-template-columns:68px 1fr auto;gap:18px;align-items:center;
      padding:18px;border:1px solid var(--line);background:rgba(33,24,29,.66);
      border-radius:var(--radius);transition:.22s ease;
    }
    .step:hover{border-color:rgba(194,138,69,.4);transform:translateX(4px)}
    .step-num{width:52px;height:52px;border-radius:8px;background:rgba(143,31,61,.42);display:grid;place-items:center;font-size:21px;font-weight:900;color:#fff;border:1px solid rgba(194,138,69,.26)}
    .step h3{margin:0 0 3px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .track-wrap{position:relative}
    .track{
      display:grid;grid-auto-flow:column;grid-auto-columns:260px;
      gap:16px;overflow-x:auto;padding:6px 4px 18px;
      scroll-snap-type:x proximity;
      scrollbar-color:var(--line-2) transparent;
    }
    .entry-card{
      min-height:310px;border:1px solid var(--line);border-radius:8px;overflow:hidden;
      background:var(--panel);position:relative;scroll-snap-align:start;
      box-shadow:0 10px 24px rgba(0,0,0,.22);
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .entry-card:hover{transform:scale(1.04);border-color:rgba(194,138,69,.55);box-shadow:0 18px 48px rgba(0,0,0,.42);z-index:2}
    .entry-cover{height:148px;position:relative;background:linear-gradient(135deg,#301a24,#151014)}
    .entry-cover:before{
      content:"";position:absolute;inset:0;
      background:radial-gradient(circle at 28% 34%,rgba(176,42,75,.62),transparent 30%),radial-gradient(circle at 78% 58%,rgba(194,138,69,.28),transparent 28%),repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 1px,transparent 1px 11px);
      transition:.24s ease;
    }
    .entry-card:hover .entry-cover:before{opacity:.8;transform:scale(1.04)}
    .entry-info{padding:16px;background:linear-gradient(180deg,rgba(33,24,29,.88),rgba(18,13,16,.96));min-height:162px;display:flex;flex-direction:column}
    .entry-info h3{margin:0 0 8px;font-size:17px}
    .entry-info p{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.6}
    .entry-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:auto}
    .reviews{
      display:grid;grid-template-columns:1fr 1fr;gap:18px;
    }
    .review-card{
      background:rgba(20,15,18,.82);border:1px solid var(--line);
      border-radius:var(--radius);padding:18px;display:flex;gap:14px;
    }
    .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--gold));display:grid;place-items:center;font-weight:900;flex:0 0 auto}
    .review-card p{margin:0;color:#ddd0d4;font-size:14px}
    .review-card strong{display:block;margin-top:10px;color:#fff;font-size:13px}
    .metric-strip{
      display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px;
    }
    .metric{padding:16px;border:1px solid var(--line);background:rgba(33,24,29,.58);border-radius:8px;text-align:center}
    .metric b{display:block;font-size:25px;color:#f7d19b}
    .metric span{color:var(--muted);font-size:13px}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}
    .news-list{
      border:1px solid var(--line);border-radius:8px;overflow:hidden;background:rgba(33,24,29,.6)
    }
    .news-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;
      padding:16px 18px;border-bottom:1px solid var(--line);transition:.2s ease;
    }
    .news-item:last-child{border-bottom:none}
    .news-item:hover{background:rgba(143,31,61,.16)}
    .news-index{color:var(--gold);font-weight:900}
    .news-item h3{margin:0;font-size:16px}
    .news-item p{margin:2px 0 0;color:var(--muted);font-size:13px}
    .news-time{font-size:12px;color:var(--soft);white-space:nowrap}
    .recommend-box{border:1px solid var(--line-2);background:linear-gradient(180deg,rgba(143,31,61,.24),rgba(33,24,29,.74));border-radius:8px;padding:22px;min-height:100%}
    .recommend-box h3{margin:0 0 10px;font-size:22px}
    .recommend-box p{margin:0 0 18px;color:var(--muted)}
    .download{
      border:1px solid rgba(194,138,69,.22);border-radius:10px;
      background:
        radial-gradient(circle at 18% 18%,rgba(176,42,75,.32),transparent 28%),
        linear-gradient(135deg,rgba(38,27,33,.95),rgba(18,13,16,.95));
      padding:34px;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
      box-shadow:var(--shadow-soft);
    }
    .download h2{font-size:31px;line-height:1.2;margin:0 0 8px}
    .download p{margin:0;color:var(--muted);max-width:720px}
    .download-actions{display:flex;gap:10px;flex-wrap:wrap}
    .faq-list{display:grid;gap:12px;max-width:920px}
    .faq-item{border:1px solid var(--line);border-radius:8px;background:rgba(33,24,29,.66);overflow:hidden}
    .faq-q{
      width:100%;background:transparent;color:var(--text);border:none;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:18px 20px;text-align:left;font-weight:800;
    }
    .faq-q span:last-child{width:24px;height:24px;border:1px solid var(--line-2);border-radius:50%;display:grid;place-items:center;color:var(--gold);flex:0 0 auto}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{background:rgba(194,138,69,.12)}
    .site-footer{
      background:#0b0a0d;border-top:1px solid rgba(194,138,69,.16);
      padding:42px 0 34px;color:var(--muted);
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-brand{font-weight:850;color:#fff;font-size:18px;margin-bottom:8px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:14px;color:var(--muted);transition:.2s ease}
    .footer-links a:hover{color:#f0c992}
    .footer-title{font-size:13px;color:#fff;font-weight:800;margin-bottom:10px}
    .copyright{border-top:1px solid rgba(255,255,255,.06);margin-top:28px;padding-top:18px;font-size:12px;color:#81757a;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
    .sticky-cta{
      position:fixed;left:16px;right:16px;bottom:calc(env(safe-area-inset-bottom, 0px) + 14px);
      z-index:70;
      background:rgba(17,13,16,.92);backdrop-filter:blur(18px);
      border:1px solid rgba(194,138,69,.28);border-radius:10px;
      box-shadow:0 14px 48px rgba(0,0,0,.42);
    }
    .sticky-inner{
      width:min(var(--container), calc(100% - 24px));
      margin:0 auto;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px;
    }
    .sticky-brand{display:flex;align-items:center;gap:10px;font-weight:850;color:#fff}
    .sticky-text{color:var(--muted);font-size:14px;margin-right:auto}
    .sticky-actions{display:flex;gap:9px}
    .age-modal{
      position:fixed;inset:0;background:rgba(0,0,0,.74);z-index:120;display:none;align-items:center;justify-content:center;padding:20px;
    }
    .age-modal.show{display:flex}
    .modal-card{
      width:min(520px,100%);border:1px solid rgba(194,138,69,.32);border-radius:10px;background:#171216;padding:28px;box-shadow:var(--shadow);
    }
    .modal-card h2{margin:0 0 10px;font-size:26px}
    .modal-card p{margin:0 0 18px;color:var(--muted)}
    .modal-actions{display:flex;gap:10px;flex-wrap:wrap}
    @media (max-width:1024px){
      .hero-inner{grid-template-columns:1fr;padding:42px}
      .hero-cover{width:100%;opacity:.32;clip-path:none}
      .stage-grid,.news-layout{grid-template-columns:1fr}
      .value-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .download{grid-template-columns:1fr}
      .sticky-text{display:none}
    }
    @media (max-width:768px){
      :root{--nav-h:68px}
      .container{width:min(100% - 28px,var(--container))}
      .menu-btn{display:block}
      .nav-links,.nav-actions{display:none}
      .nav-links.open{
        position:absolute;top:var(--nav-h);left:0;right:0;display:grid;gap:6px;
        background:rgba(17,16,20,.98);padding:14px;border-bottom:1px solid var(--line-2);
      }
      .nav-link{padding:12px 14px}
      .hero{padding:28px 0 48px}
      .hero-inner{padding:28px 20px}
      .hero h1{font-size:34px}
      .hero-lead{font-size:15px}
      .section{padding:48px 0}
      .section-head{display:block}
      .section-title{font-size:27px}
      .value-grid,.reviews,.metric-strip,.footer-grid{grid-template-columns:1fr}
      .mini-grid{grid-template-columns:repeat(2,1fr)}
      .step{grid-template-columns:52px 1fr}
      .step .tag{grid-column:2}
      .track{grid-auto-columns:82vw}
      .news-item{grid-template-columns:auto 1fr}
      .news-time{grid-column:2}
      .remind-box{grid-template-columns:1fr}
      .sticky-inner{min-height:68px;width:calc(100% - 18px)}
      .sticky-brand,.sticky-text{display:none}
      .sticky-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}
      .sticky-actions .btn{padding-left:10px;padding-right:10px;min-height:46px;font-size:14px}
    }
    @media (max-width:520px){
      .logo-text{font-size:15px;max-width:218px;overflow:hidden;text-overflow:ellipsis}
      .hero-stage{min-height:auto}
      .hero-cta{display:grid}
      .countdown{grid-template-columns:repeat(4,1fr);gap:6px}
      .timebox b{font-size:18px}
      .download{padding:24px 18px}
      .download h2{font-size:25px}
      .modal-actions{display:grid}
      .btn{width:100%}
      .hero-cta .btn{width:100%}
    }

/* roulang page: category2 */
:root{
      --bg:#111014;
      --bg-soft:#171318;
      --panel:#21181d;
      --panel-2:#261b21;
      --panel-3:#1a1519;
      --text:#f4efe9;
      --muted:#b9aeb2;
      --muted-2:#8e8388;
      --line:#3a2930;
      --line-bright:#5a3a42;
      --red:#8f1f3d;
      --red-2:#b02a4b;
      --red-dark:#6f1830;
      --copper:#c28a45;
      --copper-soft:rgba(194,138,69,.16);
      --shadow:0 22px 70px rgba(0,0,0,.38);
      --shadow-soft:0 16px 36px rgba(0,0,0,.24);
      --radius:8px;
      --radius-sm:6px;
      --container:1220px;
      --safe-bottom:env(safe-area-inset-bottom,0px);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      background:
        radial-gradient(circle at 20% 0%,rgba(143,31,61,.22),transparent 34%),
        radial-gradient(circle at 88% 12%,rgba(194,138,69,.12),transparent 30%),
        linear-gradient(180deg,#111014 0%,#171318 42%,#111014 100%);
      color:var(--text);
      line-height:1.7;
      font-size:16px;
      overflow-x:hidden;
      padding-bottom:92px;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.06;
      background-image:
        linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,black,transparent 80%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0;background:none;color:inherit}
    input,select{outline:none}
    img{max-width:100%;display:block}
    ::selection{background:rgba(176,42,75,.55);color:#fff}

    .container{
      width:min(var(--container),calc(100% - 40px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(17,16,20,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(90,58,66,.78);
      box-shadow:0 8px 26px rgba(0,0,0,.22);
    }
    .nav-wrap{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      min-width:0;
    }
    .logo-mark{
      width:34px;
      height:34px;
      border-radius:8px;
      background:
        linear-gradient(135deg,var(--red-2),var(--red-dark)),
        radial-gradient(circle at 70% 22%,var(--copper),transparent 40%);
      border:1px solid rgba(194,138,69,.5);
      box-shadow:0 0 0 4px rgba(143,31,61,.14),0 10px 20px rgba(0,0,0,.25);
      position:relative;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      inset:9px;
      border-top:2px solid rgba(244,239,233,.85);
      border-bottom:2px solid rgba(244,239,233,.45);
      transform:skewY(-18deg);
    }
    .logo-text{
      font-weight:800;
      letter-spacing:.02em;
      color:var(--text);
      white-space:nowrap;
      font-size:18px;
    }
    .nav-links{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:6px;
    }
    .nav-link{
      position:relative;
      padding:9px 14px;
      color:var(--muted);
      font-weight:650;
      font-size:15px;
      border-radius:var(--radius-sm);
      transition:background .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--text);
      background:rgba(143,31,61,.18);
    }
    .nav-link.active{
      color:var(--text);
      background:rgba(143,31,61,.34);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:14px;
      right:14px;
      bottom:4px;
      height:2px;
      background:var(--copper);
      border-radius:999px;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .age-pill{
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid var(--line);
      color:var(--muted);
      background:rgba(38,27,33,.78);
      transition:border-color .2s ease,background .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .age-pill:hover{
      color:var(--text);
      border-color:var(--copper);
      background:var(--panel-2);
    }
    .btn{
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:0 18px;
      border-radius:var(--radius-sm);
      font-weight:750;
      letter-spacing:.01em;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.nav-link:focus-visible,.age-pill:focus-visible,.menu-btn:focus-visible,input:focus-visible,select:focus-visible,.faq-question:focus-visible{
      outline:3px solid rgba(194,138,69,.42);
      outline-offset:3px;
    }
    .btn-primary{
      background:var(--red-2);
      color:#fff7f3;
      box-shadow:0 12px 26px rgba(176,42,75,.28);
      border-color:rgba(194,138,69,.24);
    }
    .btn-primary:hover{
      background:var(--red);
      border-color:rgba(194,138,69,.7);
      box-shadow:0 16px 34px rgba(176,42,75,.34);
    }
    .btn-secondary{
      color:var(--text);
      border-color:var(--line-bright);
      background:rgba(33,24,29,.55);
    }
    .btn-secondary:hover{
      background:rgba(143,31,61,.24);
      border-color:var(--copper);
    }
    .menu-btn{
      display:none;
      width:44px;
      height:44px;
      border-radius:var(--radius-sm);
      border:1px solid var(--line);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      background:var(--panel);
    }
    .menu-btn span{
      width:20px;
      height:2px;
      border-radius:999px;
      background:var(--text);
      transition:transform .2s ease,opacity .2s ease;
    }

    main{position:relative}
    .section{
      padding:68px 0;
    }
    .section-tight{
      padding:46px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--copper);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      text-transform:uppercase;
      margin-bottom:12px;
    }
    .eyebrow::before{
      content:"";
      width:22px;
      height:1px;
      background:var(--copper);
    }
    h1,h2,h3{
      line-height:1.18;
      color:var(--text);
      letter-spacing:.01em;
    }
    h1{
      font-size:clamp(32px,4vw,52px);
      font-weight:850;
      max-width:760px;
      margin-bottom:18px;
    }
    h2{
      font-size:clamp(25px,3vw,34px);
      font-weight:820;
      margin-bottom:14px;
    }
    h3{
      font-size:20px;
      font-weight:780;
    }
    .lead{
      color:var(--muted);
      max-width:760px;
      font-size:17px;
    }
    .muted{color:var(--muted)}
    .small{font-size:14px;color:var(--muted-2)}
    .badge,.chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:28px;
      padding:3px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      color:var(--muted);
      border:1px solid var(--line);
      background:rgba(33,24,29,.7);
      white-space:nowrap;
    }
    .badge.hot{
      color:#fff1e4;
      background:rgba(143,31,61,.38);
      border-color:rgba(194,138,69,.38);
    }
    .chip.active{
      background:var(--red);
      color:#fff;
      border-color:rgba(194,138,69,.55);
    }

    .page-hero{
      padding:78px 0 42px;
    }
    .tool-hero{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);
      gap:24px;
      align-items:stretch;
    }
    .hero-main,.summary-panel,.mini-panel,.toolbar,.entry-card,.group-block,.faq-item,.cta-panel{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(38,27,33,.94),rgba(25,19,23,.94));
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .hero-main{
      padding:34px;
      min-height:360px;
      position:relative;
      overflow:hidden;
    }
    .hero-main::after{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      right:-140px;
      top:-150px;
      background:radial-gradient(circle,rgba(176,42,75,.32),transparent 65%);
      pointer-events:none;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:28px 0 18px;
    }
    .notice-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .hero-side{
      display:grid;
      grid-template-rows:1fr auto;
      gap:16px;
    }
    .summary-panel{
      padding:24px;
    }
    .summary-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .summary-list{
      display:grid;
      gap:12px;
    }
    .summary-item{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding:13px 0;
      border-bottom:1px solid rgba(58,41,48,.75);
    }
    .summary-item:last-child{border-bottom:0}
    .summary-item strong{
      display:block;
      color:var(--text);
      font-size:15px;
      margin-bottom:3px;
    }
    .summary-item span{
      color:var(--muted);
      font-size:13px;
    }
    .status-dot{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--copper);
      box-shadow:0 0 0 5px rgba(194,138,69,.12);
      margin-top:8px;
      flex:0 0 auto;
    }
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .mini-panel{
      padding:18px;
    }
    .mini-number{
      font-size:28px;
      font-weight:850;
      color:var(--copper);
      line-height:1;
      margin-bottom:8px;
    }

    .toolbar{
      padding:18px;
      display:grid;
      grid-template-columns:minmax(220px,1fr) auto auto;
      gap:14px;
      align-items:center;
    }
    .search-field{
      position:relative;
    }
    .search-field input{
      width:100%;
      min-height:46px;
      padding:0 16px 0 42px;
      border-radius:var(--radius-sm);
      border:1px solid var(--line);
      background:rgba(17,16,20,.72);
      color:var(--text);
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .search-field input:focus{
      border-color:var(--copper);
      box-shadow:0 0 0 4px rgba(194,138,69,.1);
    }
    .search-field::before{
      content:"⌕";
      position:absolute;
      left:15px;
      top:50%;
      transform:translateY(-50%);
      color:var(--copper);
      font-size:20px;
    }
    .select-wrap select{
      min-height:46px;
      min-width:150px;
      padding:0 38px 0 14px;
      border-radius:var(--radius-sm);
      border:1px solid var(--line);
      background:rgba(17,16,20,.72);
      color:var(--text);
    }
    .chip-row{
      display:flex;
      align-items:center;
      gap:9px;
      overflow:auto;
      padding:2px 0;
      scrollbar-width:thin;
      scrollbar-color:var(--line-bright) transparent;
    }

    .split-head{
      display:grid;
      grid-template-columns:minmax(0,.9fr) minmax(280px,.55fr);
      gap:22px;
      align-items:end;
      margin-bottom:24px;
    }
    .head-note{
      border-left:2px solid var(--copper);
      padding:12px 16px;
      background:rgba(194,138,69,.08);
      color:var(--muted);
      border-radius:0 var(--radius-sm) var(--radius-sm) 0;
    }

    .track-wrap{position:relative}
    .track{
      display:grid;
      grid-auto-flow:column;
      grid-auto-columns:minmax(230px,1fr);
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
      overflow-x:auto;
      scroll-snap-type:x proximity;
      padding:4px 4px 18px;
      scrollbar-width:thin;
      scrollbar-color:var(--line-bright) transparent;
    }
    .track-card{
      min-width:0;
      scroll-snap-align:start;
      border-radius:var(--radius);
      overflow:hidden;
      border:1px solid var(--line);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .track-card:hover{
      transform:scale(1.04);
      border-color:rgba(194,138,69,.62);
      box-shadow:0 24px 58px rgba(0,0,0,.42);
      z-index:2;
    }
    .cover{
      min-height:136px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 20% 20%,rgba(194,138,69,.28),transparent 30%),
        radial-gradient(circle at 78% 26%,rgba(176,42,75,.45),transparent 34%),
        linear-gradient(135deg,#2b1c23,#111014 70%);
    }
    .cover::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 14px),
        linear-gradient(180deg,transparent,rgba(0,0,0,.72));
      opacity:.78;
      transition:opacity .22s ease;
    }
    .track-card:hover .cover::before{opacity:.56}
    .cover-label{
      position:absolute;
      left:14px;
      bottom:12px;
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }
    .track-body{
      padding:16px;
      background:linear-gradient(180deg,rgba(33,24,29,.96),rgba(22,17,21,.98));
      transform:translateY(0);
      transition:transform .22s ease;
    }
    .track-card:hover .track-body{transform:translateY(-3px)}
    .track-body h3{
      margin-bottom:7px;
      font-size:18px;
    }
    .meta-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-top:12px;
      color:var(--muted-2);
      font-size:13px;
    }
    .track-hint{
      display:flex;
      justify-content:flex-end;
      color:var(--muted-2);
      font-size:13px;
      margin-top:8px;
    }

    .group-layout{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:22px;
      align-items:start;
    }
    .group-nav{
      position:sticky;
      top:94px;
      display:grid;
      gap:12px;
    }
    .group-nav a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:14px 16px;
      border-radius:var(--radius-sm);
      border:1px solid var(--line);
      background:rgba(33,24,29,.72);
      color:var(--muted);
      transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
    }
    .group-nav a:hover{
      transform:translateX(3px);
      color:var(--text);
      border-color:var(--copper);
      background:rgba(143,31,61,.22);
    }
    .groups{
      display:grid;
      gap:20px;
    }
    .group-block{
      padding:22px;
    }
    .group-title{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
      padding-bottom:14px;
      border-bottom:1px solid rgba(58,41,48,.86);
    }
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .entry-card{
      padding:16px;
      box-shadow:none;
      background:rgba(23,19,24,.78);
      transition:transform .2s ease,border-color .2s ease,background .2s ease;
    }
    .entry-card:hover{
      transform:translateY(-3px);
      border-color:rgba(194,138,69,.56);
      background:rgba(38,27,33,.96);
    }
    .entry-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:9px;
    }
    .entry-title{
      font-weight:790;
      color:var(--text);
      line-height:1.35;
    }
    .entry-desc{
      color:var(--muted);
      font-size:14px;
      min-height:48px;
    }
    .entry-tags{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      margin-top:13px;
    }

    .trust-strip{
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
      background:rgba(17,16,20,.45);
      padding:26px 0;
    }
    .trust-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .trust-item{
      padding:18px;
      border:1px solid var(--line);
      background:rgba(33,24,29,.64);
      border-radius:var(--radius);
    }
    .trust-num{
      color:var(--copper);
      font-size:24px;
      font-weight:850;
      line-height:1;
      margin-bottom:8px;
    }

    .faq-list{
      display:grid;
      gap:12px;
      max-width:920px;
    }
    .faq-item{
      overflow:hidden;
      box-shadow:none;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      text-align:left;
      color:var(--text);
      font-weight:780;
    }
    .faq-icon{
      width:24px;
      height:24px;
      border-radius:50%;
      border:1px solid var(--line-bright);
      display:grid;
      place-items:center;
      color:var(--copper);
      flex:0 0 auto;
      transition:transform .2s ease,background .2s ease;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .24s ease;
    }
    .faq-answer p{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{max-height:150px}
    .faq-item.open .faq-icon{
      transform:rotate(45deg);
      background:rgba(194,138,69,.12);
    }

    .cta-panel{
      padding:28px;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:22px;
      align-items:center;
      background:
        linear-gradient(135deg,rgba(143,31,61,.32),rgba(33,24,29,.96) 52%),
        var(--panel);
      border-color:rgba(194,138,69,.34);
    }
    .cta-panel p{color:var(--muted);margin-top:8px}
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }

    .site-footer{
      background:#0c0b0e;
      border-top:1px solid var(--line);
      padding:46px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr;
      gap:28px;
      margin-bottom:28px;
    }
    .footer-brand{
      font-size:20px;
      font-weight:850;
      margin-bottom:10px;
    }
    .footer-grid p{
      color:var(--muted);
      max-width:420px;
    }
    .footer-title{
      color:var(--copper);
      font-weight:800;
      margin-bottom:10px;
    }
    .footer-links{
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:var(--muted);
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{
      color:var(--text);
      transform:translateX(2px);
    }
    .copyright{
      padding-top:18px;
      border-top:1px solid rgba(58,41,48,.75);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:var(--muted-2);
      font-size:13px;
      flex-wrap:wrap;
    }

    .sticky-conversion{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:70;
      padding:12px 0 calc(12px + var(--safe-bottom));
      background:rgba(12,11,14,.94);
      backdrop-filter:blur(18px);
      border-top:1px solid rgba(90,58,66,.88);
      box-shadow:0 -18px 40px rgba(0,0,0,.34);
    }
    .sticky-inner{
      display:flex;
      align-items:center;
      gap:16px;
      justify-content:space-between;
    }
    .sticky-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:850;
      min-width:0;
    }
    .sticky-text{
      color:var(--muted);
      font-size:14px;
      flex:1;
      min-width:180px;
    }
    .sticky-actions{
      display:flex;
      gap:10px;
      flex:0 0 auto;
    }

    .age-modal{
      position:fixed;
      inset:0;
      z-index:120;
      display:none;
      align-items:center;
      justify-content:center;
      padding:22px;
      background:rgba(0,0,0,.72);
      backdrop-filter:blur(10px);
    }
    .age-modal.open{display:flex}
    .age-box{
      width:min(520px,100%);
      border-radius:var(--radius);
      border:1px solid rgba(194,138,69,.38);
      background:linear-gradient(180deg,#261b21,#151216);
      padding:26px;
      box-shadow:var(--shadow);
    }
    .age-box h2{font-size:26px}
    .age-box p{color:var(--muted);margin:12px 0 20px}
    .age-check{
      display:flex;
      align-items:flex-start;
      gap:10px;
      margin-bottom:20px;
      color:var(--muted);
      font-size:14px;
    }
    .age-check input{
      width:18px;
      height:18px;
      accent-color:var(--red-2);
      margin-top:4px;
    }
    .age-buttons{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      .nav-actions{display:none}
      .menu-btn{display:flex;margin-left:auto}
      .nav-links{
        position:absolute;
        left:20px;
        right:20px;
        top:74px;
        margin-left:0;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:14px;
        background:rgba(17,16,20,.98);
        border:1px solid var(--line-bright);
        border-radius:var(--radius);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-link{padding:13px 14px}
      .tool-hero{
        grid-template-columns:1fr;
      }
      .hero-side{
        grid-template-columns:1fr 1fr;
        grid-template-rows:auto;
      }
      .summary-panel{grid-column:1 / -1}
      .toolbar{
        grid-template-columns:1fr 1fr;
      }
      .toolbar .chip-row{
        grid-column:1 / -1;
      }
      .track{
        grid-template-columns:none;
        grid-auto-columns:31vw;
      }
      .group-layout{
        grid-template-columns:1fr;
      }
      .group-nav{
        position:static;
        grid-template-columns:repeat(3,1fr);
      }
      .trust-grid{
        grid-template-columns:repeat(2,1fr);
      }
    }

    @media (max-width:768px){
      body{padding-bottom:82px}
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{min-height:68px}
      .nav-links{top:68px;left:14px;right:14px}
      .logo-text{font-size:16px;max-width:220px;overflow:hidden;text-overflow:ellipsis}
      .page-hero{padding:50px 0 28px}
      .section{padding:48px 0}
      .section-tight{padding:34px 0}
      .hero-main{padding:24px;min-height:auto}
      .hero-actions .btn{width:100%}
      .hero-side,.mini-grid{grid-template-columns:1fr}
      .split-head{
        grid-template-columns:1fr;
        align-items:start;
      }
      .toolbar{
        grid-template-columns:1fr;
      }
      .select-wrap select{width:100%}
      .track{
        grid-auto-columns:82vw;
        gap:14px;
      }
      .entry-grid{
        grid-template-columns:1fr;
      }
      .group-title{
        flex-direction:column;
      }
      .group-nav{
        display:flex;
        overflow-x:auto;
        padding-bottom:4px;
      }
      .group-nav a{
        min-width:190px;
      }
      .trust-grid{
        grid-template-columns:1fr;
      }
      .cta-panel{
        grid-template-columns:1fr;
        padding:22px;
      }
      .cta-actions{
        justify-content:stretch;
      }
      .cta-actions .btn{flex:1}
      .footer-grid{
        grid-template-columns:1fr;
      }
      .copyright{display:grid}
      .sticky-inner{
        gap:8px;
      }
      .sticky-brand,.sticky-text{
        display:none;
      }
      .sticky-actions{
        width:100%;
        display:grid;
        grid-template-columns:1fr 1fr;
      }
      .sticky-actions .btn{
        min-height:46px;
        padding:0 10px;
        font-size:14px;
      }
    }

    @media (max-width:520px){
      h1{font-size:32px}
      .logo-text{max-width:178px}
      .hero-main{padding:20px}
      .notice-row{display:grid;grid-template-columns:1fr}
      .summary-head{align-items:flex-start;flex-direction:column}
      .track{grid-auto-columns:86vw}
      .cover{min-height:126px}
      .mini-number{font-size:24px}
      .faq-question{padding:16px}
      .faq-answer p{padding:0 16px 16px}
      .age-box{padding:22px}
      .age-buttons .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --bg:#111014;
      --bg-deep:#0b0a0d;
      --surface:#21181d;
      --surface-2:#261b21;
      --surface-3:#181216;
      --primary:#8f1f3d;
      --primary-2:#b02a4b;
      --accent:#c28a45;
      --text:#f4efe9;
      --muted:#b9aeb2;
      --soft:#8f8489;
      --border:#3a2930;
      --border-strong:#5a3440;
      --shadow:0 18px 48px rgba(0,0,0,.38);
      --shadow-soft:0 10px 28px rgba(0,0,0,.24);
      --radius:8px;
      --radius-sm:6px;
      --container:1220px;
      --safe-bottom:env(safe-area-inset-bottom,0px);
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 18% 0%, rgba(143,31,61,.24), transparent 34%),
        radial-gradient(circle at 85% 12%, rgba(194,138,69,.12), transparent 30%),
        linear-gradient(180deg,#111014 0%,#171318 46%,#0b0a0d 100%);
      line-height:1.7;
      font-size:16px;
      padding-bottom:92px;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.25;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),rgba(0,0,0,.12));
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{
      outline:2px solid var(--accent);
      outline-offset:3px;
    }
    .container{
      width:min(100% - 40px,var(--container));
      margin:0 auto;
    }
    .section{
      padding:68px 0;
      position:relative;
    }
    .section.tight{padding-top:46px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#ead2af;
      border:1px solid rgba(194,138,69,.38);
      background:rgba(194,138,69,.08);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(194,138,69,.12);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(17,16,20,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(143,31,61,.34);
      box-shadow:0 12px 30px rgba(0,0,0,.22);
    }
    .nav-wrap{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      color:var(--text);
    }
    .logo-mark{
      width:34px;
      height:34px;
      border-radius:8px;
      background:
        linear-gradient(135deg,var(--primary),var(--primary-2) 58%,var(--accent));
      box-shadow:0 0 0 1px rgba(255,255,255,.08) inset,0 12px 22px rgba(143,31,61,.28);
      position:relative;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      inset:9px;
      border:1px solid rgba(244,239,233,.75);
      border-radius:4px;
    }
    .logo-text{
      font-size:18px;
      letter-spacing:.01em;
      white-space:nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:auto;
    }
    .nav-link{
      position:relative;
      color:var(--muted);
      padding:10px 13px;
      border-radius:var(--radius-sm);
      font-size:15px;
      font-weight:650;
      transition:color .2s ease,background .2s ease;
    }
    .nav-link:hover{
      color:var(--text);
      background:rgba(143,31,61,.16);
    }
    .nav-link.active{
      color:var(--text);
      background:rgba(143,31,61,.34);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      bottom:5px;
      height:2px;
      background:var(--accent);
      border-radius:999px;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .age-pill{
      border:1px solid var(--border);
      background:rgba(33,24,29,.82);
      color:#eadfd7;
      border-radius:999px;
      padding:9px 13px;
      font-size:13px;
      font-weight:700;
      transition:border-color .2s ease,background .2s ease,transform .2s ease;
    }
    .age-pill:hover{
      border-color:var(--accent);
      background:rgba(194,138,69,.12);
      transform:translateY(-1px);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:43px;
      border-radius:var(--radius-sm);
      padding:11px 17px;
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      line-height:1.2;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff7f4;
      background:linear-gradient(180deg,var(--primary-2),var(--primary));
      box-shadow:0 12px 24px rgba(143,31,61,.28);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      border-color:rgba(194,138,69,.55);
      box-shadow:0 16px 32px rgba(143,31,61,.42);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(33,24,29,.5);
      border-color:var(--border);
    }
    .btn-secondary:hover{
      background:rgba(143,31,61,.18);
      border-color:rgba(194,138,69,.55);
      transform:translateY(-2px);
    }
    .menu-btn{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--border);
      background:var(--surface);
      border-radius:var(--radius-sm);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .menu-btn span{
      width:20px;
      height:2px;
      border-radius:99px;
      background:var(--text);
      transition:transform .2s ease,opacity .2s ease;
    }
    .menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-btn.open span:nth-child(2){opacity:0}
    .menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    .category-hero{
      padding:76px 0 42px;
      border-bottom:1px solid rgba(58,41,48,.78);
      background:
        linear-gradient(90deg,rgba(17,16,20,.92),rgba(17,16,20,.58)),
        radial-gradient(circle at 80% 22%,rgba(143,31,61,.28),transparent 36%);
    }
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(360px,.78fr);
      gap:34px;
      align-items:start;
    }
    .hero-copy h1{
      margin:18px 0 16px;
      font-size:clamp(32px,4.4vw,54px);
      line-height:1.12;
      letter-spacing:.01em;
      font-weight:850;
      max-width:760px;
    }
    .hero-copy p{
      color:var(--muted);
      max-width:720px;
      margin:0 0 24px;
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:24px 0 18px;
    }
    .notice-line{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      color:var(--soft);
      font-size:13px;
    }
    .notice-line span{
      border:1px solid rgba(58,41,48,.85);
      background:rgba(33,24,29,.5);
      border-radius:999px;
      padding:5px 10px;
    }
    .summary-panel{
      border:1px solid rgba(90,52,64,.9);
      background:
        linear-gradient(180deg,rgba(38,27,33,.94),rgba(24,18,22,.96)),
        radial-gradient(circle at 12% 18%,rgba(194,138,69,.12),transparent 26%);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .panel-head{
      padding:18px 20px;
      border-bottom:1px solid var(--border);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .panel-head strong{
      font-size:17px;
    }
    .status-badge{
      color:#ffdfb7;
      background:rgba(194,138,69,.12);
      border:1px solid rgba(194,138,69,.36);
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .summary-list{
      padding:10px 20px 20px;
      display:grid;
      gap:10px;
    }
    .summary-item{
      display:grid;
      grid-template-columns:30px 1fr auto;
      align-items:center;
      gap:11px;
      padding:12px;
      border:1px solid rgba(58,41,48,.78);
      background:rgba(17,16,20,.36);
      border-radius:var(--radius-sm);
    }
    .summary-no{
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:6px;
      color:#fff;
      background:rgba(143,31,61,.9);
      font-weight:850;
      font-size:13px;
    }
    .summary-item span{
      color:var(--muted);
      font-size:13px;
    }
    .summary-item b{
      font-size:15px;
    }
    .summary-item em{
      font-style:normal;
      color:#e7c592;
      font-size:12px;
      font-weight:800;
    }

    .toolbar-section{
      padding:34px 0 12px;
    }
    .toolbar{
      display:grid;
      grid-template-columns:minmax(260px,1fr) auto;
      gap:16px;
      align-items:center;
      padding:16px;
      border:1px solid var(--border);
      background:rgba(33,24,29,.72);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .search-wrap{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      background:rgba(13,12,15,.72);
      border:1px solid var(--border);
      border-radius:var(--radius-sm);
      padding:0 12px;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .search-wrap:focus-within{
      border-color:var(--accent);
      box-shadow:0 0 0 4px rgba(194,138,69,.1);
    }
    .search-icon{
      color:var(--accent);
      font-weight:900;
    }
    .search-wrap input{
      width:100%;
      min-height:46px;
      color:var(--text);
      background:transparent;
      border:0;
      outline:0;
    }
    .search-wrap input::placeholder{color:#81777b}
    .chip-row{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .chip{
      border:1px solid var(--border);
      background:rgba(17,16,20,.28);
      color:var(--muted);
      border-radius:999px;
      padding:8px 11px;
      font-size:13px;
      font-weight:750;
      transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
    }
    .chip:hover{
      border-color:rgba(194,138,69,.48);
      color:var(--text);
      transform:translateY(-1px);
    }
    .chip.active{
      background:rgba(143,31,61,.88);
      border-color:rgba(176,42,75,.95);
      color:#fff;
    }

    .section-head{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      align-items:end;
      gap:24px;
      margin-bottom:22px;
    }
    .section-head h2{
      margin:10px 0 0;
      font-size:clamp(24px,3vw,34px);
      line-height:1.22;
      font-weight:840;
    }
    .section-head p{
      margin:8px 0 0;
      color:var(--muted);
      max-width:760px;
    }
    .track-hint{
      color:var(--soft);
      font-size:13px;
      border:1px solid var(--border);
      border-radius:999px;
      padding:7px 11px;
      background:rgba(33,24,29,.52);
      white-space:nowrap;
    }
    .recommend-track{
      display:grid;
      grid-auto-flow:column;
      grid-auto-columns:minmax(230px,1fr);
      grid-template-columns:repeat(5,1fr);
      gap:16px;
      overflow-x:auto;
      padding:4px 2px 18px;
      scrollbar-color:var(--primary) rgba(33,24,29,.7);
      scrollbar-width:thin;
    }
    .rec-card{
      min-width:230px;
      border:1px solid rgba(58,41,48,.84);
      background:var(--surface);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .rec-card:hover{
      transform:scale(1.04);
      border-color:rgba(194,138,69,.62);
      box-shadow:0 20px 44px rgba(0,0,0,.46);
    }
    .cover{
      position:relative;
      min-height:132px;
      background:
        linear-gradient(135deg,rgba(143,31,61,.72),rgba(17,16,20,.2)),
        radial-gradient(circle at 72% 28%,rgba(194,138,69,.34),transparent 26%),
        repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
      overflow:hidden;
    }
    .cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 10%,rgba(17,16,20,.86) 100%);
      transition:opacity .2s ease;
    }
    .rec-card:hover .cover::after{opacity:.72}
    .cover-label{
      position:absolute;
      left:12px;
      bottom:12px;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:6px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border:1px solid rgba(244,239,233,.14);
      background:rgba(11,10,13,.72);
      color:#f1dfcf;
      border-radius:999px;
      padding:4px 8px;
      font-size:12px;
      font-weight:750;
    }
    .rec-body{
      padding:15px;
      background:linear-gradient(180deg,rgba(33,24,29,.96),rgba(24,18,22,.96));
    }
    .rec-body h3{
      margin:0 0 7px;
      font-size:17px;
      line-height:1.35;
    }
    .rec-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .meta-line{
      display:flex;
      justify-content:space-between;
      gap:12px;
      margin-top:12px;
      color:#d6b47e;
      font-size:12px;
      font-weight:800;
    }

    .content-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .entry-card{
      position:relative;
      display:flex;
      flex-direction:column;
      min-height:248px;
      border:1px solid rgba(58,41,48,.86);
      background:linear-gradient(180deg,var(--surface-2),var(--surface-3));
      border-radius:var(--radius);
      overflow:hidden;
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .entry-card:hover{
      transform:translateY(-5px);
      border-color:rgba(194,138,69,.6);
      box-shadow:var(--shadow);
    }
    .entry-top{
      min-height:96px;
      background:
        radial-gradient(circle at 20% 18%,rgba(194,138,69,.22),transparent 24%),
        radial-gradient(circle at 85% 12%,rgba(176,42,75,.32),transparent 30%),
        linear-gradient(135deg,#1a1116,#34202a);
      border-bottom:1px solid rgba(58,41,48,.78);
      position:relative;
    }
    .entry-top::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(255,255,255,.04),transparent 35%,rgba(255,255,255,.03));
    }
    .entry-body{
      padding:17px;
      display:flex;
      flex-direction:column;
      flex:1;
    }
    .entry-body h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.35;
    }
    .entry-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .entry-foot{
      margin-top:auto;
      padding-top:15px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      color:var(--soft);
      font-size:12px;
    }
    .entry-foot b{
      color:#e6c28a;
    }

    .info-band{
      border-top:1px solid var(--border);
      border-bottom:1px solid var(--border);
      background:rgba(11,10,13,.48);
    }
    .proof-layout{
      display:grid;
      grid-template-columns:.72fr 1fr;
      gap:24px;
      align-items:stretch;
    }
    .proof-aside{
      border:1px solid rgba(90,52,64,.86);
      background:linear-gradient(180deg,rgba(38,27,33,.9),rgba(17,16,20,.86));
      border-radius:var(--radius);
      padding:24px;
    }
    .proof-aside h2{
      margin:12px 0 10px;
      font-size:30px;
      line-height:1.25;
    }
    .proof-aside p{
      margin:0;
      color:var(--muted);
    }
    .stats{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:22px;
    }
    .stat{
      border:1px solid var(--border);
      border-radius:var(--radius-sm);
      padding:14px;
      background:rgba(17,16,20,.42);
    }
    .stat strong{
      display:block;
      color:#f6d39c;
      font-size:24px;
      line-height:1.1;
    }
    .stat span{
      color:var(--soft);
      font-size:13px;
    }
    .quote-grid{
      display:grid;
      gap:14px;
    }
    .quote{
      border:1px solid var(--border);
      background:rgba(33,24,29,.76);
      border-radius:var(--radius);
      padding:18px;
      display:grid;
      grid-template-columns:42px 1fr;
      gap:13px;
    }
    .avatar{
      width:42px;
      height:42px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(143,31,61,.82);
      color:#fff;
      font-weight:850;
    }
    .quote p{
      margin:0;
      color:#d6ced1;
      font-size:14px;
    }
    .quote strong{
      display:block;
      margin-bottom:5px;
      color:var(--text);
      font-size:15px;
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .step{
      counter-increment:step;
      border:1px solid var(--border);
      background:rgba(33,24,29,.58);
      border-radius:var(--radius);
      padding:18px;
      position:relative;
    }
    .step::before{
      content:counter(step,decimal-leading-zero);
      display:inline-flex;
      margin-bottom:16px;
      color:#ffdfb8;
      font-weight:900;
      border-bottom:2px solid var(--primary-2);
    }
    .step h3{
      margin:0 0 8px;
      font-size:17px;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .faq-list{
      display:grid;
      gap:12px;
      max-width:920px;
    }
    .faq-item{
      border:1px solid var(--border);
      background:rgba(33,24,29,.64);
      border-radius:var(--radius);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      border:0;
      background:transparent;
      color:var(--text);
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      font-weight:800;
    }
    .faq-question .plus{
      width:26px;
      height:26px;
      border-radius:999px;
      display:grid;
      place-items:center;
      color:#f2cf9a;
      border:1px solid rgba(194,138,69,.42);
      transition:transform .2s ease,background .2s ease;
      flex:0 0 auto;
    }
    .faq-item.open .plus{
      transform:rotate(45deg);
      background:rgba(194,138,69,.12);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s ease;
    }
    .faq-answer p{
      margin:0;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
    }

    .cta-box{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      border:1px solid rgba(194,138,69,.36);
      background:
        linear-gradient(135deg,rgba(143,31,61,.34),rgba(33,24,29,.92) 42%,rgba(17,16,20,.92)),
        radial-gradient(circle at 88% 0%,rgba(194,138,69,.22),transparent 30%);
      border-radius:var(--radius);
      padding:28px;
      box-shadow:var(--shadow);
    }
    .cta-box h2{
      margin:0 0 8px;
      font-size:30px;
      line-height:1.25;
    }
    .cta-box p{
      margin:0;
      color:#d7cbd0;
      max-width:760px;
    }
    .cta-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .site-footer{
      background:#09080b;
      border-top:1px solid rgba(58,41,48,.95);
      padding:42px 0 112px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:28px;
    }
    .footer-brand{
      font-size:20px;
      font-weight:850;
      margin-bottom:8px;
    }
    .site-footer p{
      margin:0;
      color:var(--soft);
      max-width:420px;
      font-size:14px;
    }
    .footer-title{
      color:#ead2af;
      font-weight:850;
      margin-bottom:10px;
    }
    .footer-links{
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{
      color:var(--text);
      transform:translateX(2px);
    }
    .copyright{
      border-top:1px solid rgba(58,41,48,.78);
      margin-top:30px;
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:#81777b;
      font-size:13px;
    }

    .fixed-bar{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:70;
      padding:12px 0 calc(12px + var(--safe-bottom));
      background:rgba(11,10,13,.93);
      border-top:1px solid rgba(143,31,61,.45);
      backdrop-filter:blur(18px);
      box-shadow:0 -14px 34px rgba(0,0,0,.36);
    }
    .fixed-inner{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:16px;
    }
    .mini-brand{
      display:flex;
      align-items:center;
      gap:9px;
      font-weight:850;
      white-space:nowrap;
    }
    .mini-dot{
      width:20px;
      height:20px;
      border-radius:6px;
      background:linear-gradient(135deg,var(--primary-2),var(--accent));
    }
    .fixed-note{
      color:var(--muted);
      font-size:14px;
      min-width:0;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .fixed-actions{
      display:flex;
      gap:10px;
    }

    .age-modal{
      position:fixed;
      inset:0;
      z-index:100;
      display:none;
      align-items:center;
      justify-content:center;
      padding:22px;
      background:rgba(0,0,0,.72);
      backdrop-filter:blur(10px);
    }
    .age-modal.open{display:flex}
    .modal-card{
      width:min(100%,520px);
      border:1px solid rgba(194,138,69,.42);
      background:linear-gradient(180deg,#261b21,#151014);
      border-radius:var(--radius);
      box-shadow:0 30px 80px rgba(0,0,0,.58);
      padding:26px;
    }
    .modal-card h2{
      margin:0 0 10px;
      font-size:26px;
    }
    .modal-card p{
      margin:0 0 18px;
      color:var(--muted);
    }
    .check-line{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#d8ced2;
      font-size:14px;
      margin:14px 0 20px;
    }
    .check-line input{
      margin-top:5px;
      accent-color:var(--primary-2);
    }
    .modal-actions{
      display:flex;
      gap:10px;
      justify-content:flex-end;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      .nav-actions{display:none}
      .hero-layout{grid-template-columns:1fr}
      .toolbar{grid-template-columns:1fr}
      .chip-row{justify-content:flex-start}
      .content-grid{grid-template-columns:repeat(2,1fr)}
      .proof-layout{grid-template-columns:1fr}
      .steps{grid-template-columns:repeat(2,1fr)}
      .recommend-track{
        grid-template-columns:none;
        grid-auto-columns:31vw;
      }
      .cta-box{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }

    @media (max-width:768px){
      body{padding-bottom:82px}
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{min-height:66px}
      .menu-btn{display:flex}
      .nav-links{
        position:absolute;
        left:14px;
        right:14px;
        top:72px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding:12px;
        border:1px solid rgba(143,31,61,.42);
        background:#151014;
        border-radius:var(--radius);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-link{padding:12px 14px}
      .nav-link.active::after{display:none}
      .logo-text{font-size:16px}
      .category-hero{padding:52px 0 28px}
      .hero-copy h1{font-size:34px}
      .hero-copy p{font-size:15px}
      .section{padding:48px 0}
      .section-head{grid-template-columns:1fr}
      .track-hint{justify-self:start}
      .recommend-track{grid-auto-columns:82vw}
      .content-grid{grid-template-columns:1fr}
      .stats{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
      .fixed-inner{grid-template-columns:1fr auto}
      .mini-brand,.fixed-note{display:none}
      .fixed-actions{
        width:100%;
        grid-column:1 / -1;
        display:grid;
        grid-template-columns:1fr 1fr;
      }
      .fixed-actions .btn{
        min-height:46px;
        padding:10px 12px;
        font-size:14px;
      }
      .site-footer{padding-bottom:104px}
    }

    @media (max-width:520px){
      .container{width:min(100% - 22px,var(--container))}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .toolbar{padding:12px}
      .chip-row{
        overflow-x:auto;
        flex-wrap:nowrap;
        justify-content:flex-start;
        padding-bottom:4px;
      }
      .chip{white-space:nowrap}
      .summary-item{grid-template-columns:28px 1fr}
      .summary-item em{grid-column:2}
      .stats{grid-template-columns:1fr}
      .quote{grid-template-columns:34px 1fr}
      .avatar{width:34px;height:34px}
      .cta-box{padding:22px}
      .cta-actions{display:grid;grid-template-columns:1fr;width:100%}
      .modal-card{padding:22px}
    }