/* roulang page: index */
:root{
      --bg:#070A14;
      --bg-deep:#050713;
      --panel:#0C1020;
      --panel-2:#10162A;
      --glass:rgba(15,23,42,.62);
      --glass-strong:rgba(17,24,39,.78);
      --text:#F8FAFC;
      --muted:#CBD5E1;
      --sub:#94A3B8;
      --weak:#64748B;
      --blue:#3B82F6;
      --blue-2:#2563EB;
      --purple:#8B5CF6;
      --pink:#EC4899;
      --cyan:#22D3EE;
      --amber:#F59E0B;
      --border:rgba(148,163,184,.18);
      --border-hi:rgba(59,130,246,.38);
      --shadow:0 22px 80px rgba(0,0,0,.38);
      --glow:0 0 42px rgba(59,130,246,.18),0 0 70px rgba(139,92,246,.12);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --nav:96px;
      --max:1280px;
      --ease:cubic-bezier(.22,1,.36,1);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 82% 8%, rgba(59,130,246,.24), transparent 34%),
        radial-gradient(circle at 64% 24%, rgba(236,72,153,.12), transparent 28%),
        radial-gradient(circle at 30% 88%, rgba(139,92,246,.16), transparent 34%),
        linear-gradient(180deg,#070A14 0%,#080B16 50%,#050713 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.24;
      background-image:
        linear-gradient(rgba(148,163,184,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148,163,184,.06) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 78%);
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select{font:inherit;color:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(59,130,246,.35);color:#fff}
    :focus-visible{outline:3px solid rgba(34,211,238,.68);outline-offset:4px;border-radius:12px}
    .desktop-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--nav);
      z-index:30;
      background:linear-gradient(180deg,rgba(6,8,20,.96),rgba(7,10,20,.86));
      border-right:1px solid var(--border);
      backdrop-filter:blur(20px) saturate(140%);
      display:flex;
      flex-direction:column;
      align-items:center;
      padding:22px 14px;
      box-shadow:12px 0 70px rgba(0,0,0,.22);
    }
    .logo-mark{
      width:58px;height:58px;border-radius:22px;
      display:grid;place-items:center;
      position:relative;
      background:linear-gradient(135deg,rgba(59,130,246,.28),rgba(139,92,246,.22) 48%,rgba(236,72,153,.20));
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--glow);
    }
    .logo-mark:before{
      content:"";
      width:0;height:0;
      border-top:12px solid transparent;
      border-bottom:12px solid transparent;
      border-left:18px solid #fff;
      transform:translateX(2px);
      filter:drop-shadow(0 0 12px rgba(34,211,238,.85));
    }
    .logo-text-vertical{
      margin-top:12px;
      writing-mode:vertical-rl;
      letter-spacing:.08em;
      font-size:12px;
      color:var(--sub);
      font-weight:700;
      line-height:1.2;
      text-align:center;
    }
    .nav-links{
      margin-top:46px;
      display:flex;
      flex-direction:column;
      gap:16px;
      width:100%;
      align-items:center;
    }
    .nav-item{
      width:68px;
      min-height:64px;
      border-radius:22px;
      border:1px solid transparent;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:6px;
      color:var(--sub);
      font-size:12px;
      position:relative;
      transition:transform .25s var(--ease),background .25s var(--ease),border .25s var(--ease),color .25s var(--ease);
    }
    .nav-item .ico{font-size:20px;line-height:1}
    .nav-item:hover{
      transform:translateY(-2px);
      color:var(--text);
      background:rgba(59,130,246,.10);
      border-color:rgba(59,130,246,.26);
    }
    .nav-item.active{
      color:#fff;
      background:linear-gradient(180deg,rgba(59,130,246,.23),rgba(139,92,246,.12));
      border-color:var(--border-hi);
      box-shadow:0 0 24px rgba(59,130,246,.16);
    }
    .nav-item.active:before{
      content:"";
      position:absolute;
      left:-15px;top:17px;bottom:17px;
      width:3px;border-radius:999px;
      background:linear-gradient(180deg,var(--cyan),var(--purple),var(--pink));
      box-shadow:0 0 16px rgba(59,130,246,.8);
    }
    .adult-badge{
      margin-top:auto;
      width:68px;
      border-radius:22px;
      padding:12px 7px;
      text-align:center;
      color:#fde68a;
      background:rgba(245,158,11,.10);
      border:1px solid rgba(245,158,11,.24);
      font-size:11px;
      line-height:1.35;
    }
    .adult-badge strong{display:block;font-size:16px;color:var(--amber)}
    .mobile-top{display:none}
    .mobile-panel{display:none}
    .menu-toggle{display:none}
    .page{
      margin-left:var(--nav);
      min-height:100vh;
    }
    .container{
      width:min(var(--max),calc(100% - 72px));
      margin:0 auto;
    }
    main{position:relative}
    .section{padding:96px 0}
    .section.compact{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 13px;
      border-radius:999px;
      color:#dbeafe;
      background:rgba(59,130,246,.12);
      border:1px solid rgba(59,130,246,.28);
      font-size:13px;
      font-weight:700;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(34,211,238,.9);
    }
    h1,h2,h3{line-height:1.12;letter-spacing:-.04em}
    h1{
      margin-top:22px;
      font-size:clamp(38px,5vw,64px);
      max-width:760px;
    }
    h2{font-size:clamp(28px,3.2vw,42px)}
    h3{font-size:21px}
    p{color:var(--muted)}
    .lead{
      margin-top:22px;
      max-width:690px;
      color:#cbd5e1;
      font-size:17px;
    }
    .hero{
      min-height:760px;
      display:flex;
      align-items:center;
      padding:72px 0 100px;
      position:relative;
    }
    .hero:after{
      content:"";
      position:absolute;
      right:8%;bottom:70px;
      width:420px;height:160px;
      background:radial-gradient(closest-side,rgba(34,211,238,.18),transparent);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(420px,.85fr);
      gap:42px;
      align-items:center;
    }
    .brand-line{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:8px;
      color:var(--sub);
      font-size:14px;
      font-weight:700;
    }
    .brand-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--border);
    }
    .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
    .btn{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      color:#fff;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--blue),var(--purple) 55%,var(--pink));
      box-shadow:0 14px 42px rgba(59,130,246,.28),0 0 28px rgba(236,72,153,.12);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 58px rgba(59,130,246,.36),0 0 38px rgba(236,72,153,.20)}
    .btn-primary:active{transform:translateY(0);box-shadow:0 10px 26px rgba(59,130,246,.20)}
    .btn-secondary{
      background:rgba(15,23,42,.60);
      border:1px solid var(--border);
      color:#e2e8f0;
      backdrop-filter:blur(12px);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.42);background:rgba(30,41,59,.70)}
    .trust-row{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:12px;
      margin-top:34px;
      max-width:760px;
    }
    .trust{
      padding:15px 14px;
      border-radius:18px;
      background:rgba(15,23,42,.52);
      border:1px solid var(--border);
      color:var(--sub);
      font-size:13px;
    }
    .trust strong{display:block;color:#fff;font-size:16px;margin-bottom:2px}
    .preview{
      border-radius:34px;
      background:linear-gradient(180deg,rgba(15,23,42,.72),rgba(12,16,32,.62));
      border:1px solid rgba(148,163,184,.22);
      box-shadow:var(--shadow),var(--glow);
      backdrop-filter:blur(20px) saturate(135%);
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .preview:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(circle at 18% 10%,rgba(34,211,238,.18),transparent 28%),
        radial-gradient(circle at 86% 12%,rgba(236,72,153,.16),transparent 32%),
        linear-gradient(180deg,rgba(255,255,255,.08),transparent 18%);
      pointer-events:none;
    }
    .player{
      position:relative;
      height:290px;
      border-radius:26px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.14);
      background:
        linear-gradient(135deg,rgba(59,130,246,.35),transparent 36%),
        radial-gradient(circle at 70% 35%,rgba(236,72,153,.30),transparent 34%),
        radial-gradient(circle at 38% 62%,rgba(139,92,246,.42),transparent 36%),
        linear-gradient(160deg,#0b1226,#101827 58%,#050713);
    }
    .player:after{
      content:"";
      position:absolute;inset:0;
      background:repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 16px);
      opacity:.22;
    }
    .play-button{
      position:absolute;left:50%;top:50%;
      transform:translate(-50%,-50%);
      width:76px;height:76px;border-radius:50%;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(12px);
      display:grid;place-items:center;
      box-shadow:0 0 42px rgba(59,130,246,.28);
      z-index:2;
    }
    .play-button:before{
      content:"";
      width:0;height:0;
      border-top:14px solid transparent;
      border-bottom:14px solid transparent;
      border-left:21px solid #fff;
      margin-left:5px;
    }
    .control-bar{
      position:absolute;
      left:18px;right:18px;bottom:18px;
      z-index:3;
      padding:14px;
      border-radius:18px;
      background:rgba(2,6,23,.52);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(12px);
    }
    .progress{height:6px;border-radius:999px;background:rgba(148,163,184,.24);overflow:hidden}
    .progress span{display:block;width:68%;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple));box-shadow:0 0 18px rgba(59,130,246,.8)}
    .control-meta{display:flex;justify-content:space-between;margin-top:10px;color:#e2e8f0;font-size:12px}
    .preview-floating{
      position:relative;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:14px;
    }
    .mini-panel{
      border-radius:20px;
      padding:16px;
      background:rgba(2,6,23,.35);
      border:1px solid rgba(255,255,255,.12);
    }
    .mini-panel .label{color:var(--sub);font-size:12px;margin-bottom:8px}
    .quality{display:flex;gap:7px;flex-wrap:wrap}
    .quality span,.pill{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 9px;
      color:#dbeafe;
      background:rgba(59,130,246,.13);
      border:1px solid rgba(59,130,246,.24);
      font-size:12px;
      font-weight:700;
    }
    .switch{
      width:54px;height:30px;border-radius:999px;
      background:linear-gradient(135deg,var(--blue),var(--purple));
      position:relative;
      box-shadow:0 0 22px rgba(59,130,246,.30);
    }
    .switch:after{content:"";position:absolute;right:4px;top:4px;width:22px;height:22px;border-radius:50%;background:#fff}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:34px;
    }
    .section-head p{max-width:620px;margin-top:14px}
    .bento{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:var(--glass);
      border:1px solid var(--border);
      box-shadow:0 18px 64px rgba(0,0,0,.22);
      backdrop-filter:blur(18px) saturate(130%);
      transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
    }
    .card:hover{
      transform:translateY(-5px);
      border-color:var(--border-hi);
      background:rgba(17,24,39,.74);
      box-shadow:0 24px 80px rgba(0,0,0,.30),0 0 36px rgba(59,130,246,.13);
    }
    .feature-card{padding:26px}
    .feature-card.large{grid-column:span 2;min-height:292px}
    .feature-card.small{grid-column:span 1;min-height:220px}
    .icon{
      width:46px;height:46px;border-radius:17px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(59,130,246,.22),rgba(139,92,246,.16));
      border:1px solid rgba(255,255,255,.12);
      color:#bfdbfe;
      font-size:22px;
      margin-bottom:18px;
      box-shadow:0 0 24px rgba(59,130,246,.12);
    }
    .feature-card h3{margin-bottom:12px}
    .feature-card p{font-size:15px}
    .visual-line{
      position:absolute;right:24px;bottom:24px;left:24px;
      height:8px;border-radius:999px;
      background:rgba(148,163,184,.14);
      overflow:hidden;
    }
    .visual-line span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--blue),var(--pink));box-shadow:0 0 18px rgba(59,130,246,.7)}
    .category-layout{
      display:grid;
      grid-template-columns:1.22fr .78fr;
      gap:18px;
      align-items:stretch;
    }
    .category-main{
      min-height:360px;
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 82% 16%,rgba(236,72,153,.18),transparent 34%),
        radial-gradient(circle at 26% 18%,rgba(34,211,238,.16),transparent 34%),
        rgba(15,23,42,.62);
    }
    .cover-abstract{
      height:150px;
      border-radius:22px;
      margin-bottom:22px;
      background:
        linear-gradient(135deg,rgba(59,130,246,.42),transparent 42%),
        radial-gradient(circle at 72% 38%,rgba(236,72,153,.35),transparent 32%),
        repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 2px,transparent 2px 18px),
        linear-gradient(160deg,#0f172a,#111827);
      border:1px solid rgba(255,255,255,.13);
      position:relative;
      overflow:hidden;
    }
    .cover-abstract:after{
      content:"";
      position:absolute;inset:18px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:18px;
      background:linear-gradient(180deg,transparent 65%,rgba(2,6,23,.42));
    }
    .category-side{display:grid;gap:18px}
    .category-small{padding:22px;min-height:171px}
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:16px 0 18px;
      color:var(--sub);
      font-size:12px;
    }
    .meta span{
      padding:5px 9px;
      border-radius:999px;
      background:rgba(148,163,184,.10);
      border:1px solid rgba(148,163,184,.14);
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#93c5fd;
      font-weight:800;
    }
    .text-link:hover{text-decoration:underline;text-decoration-color:rgba(34,211,238,.55);text-underline-offset:5px;color:#bfdbfe}
    .scene-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .scene-sticky{
      position:sticky;
      top:32px;
      padding:30px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(59,130,246,.12),rgba(15,23,42,.62));
      border:1px solid var(--border);
    }
    .scene-list{display:grid;gap:16px}
    .scene-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:18px;
      padding:22px;
      border-radius:24px;
      background:rgba(15,23,42,.56);
      border:1px solid var(--border);
      transition:.25s var(--ease);
    }
    .scene-item:hover{transform:translateX(4px);border-color:rgba(34,211,238,.34);background:rgba(17,24,39,.72)}
    .step{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(34,211,238,.10);
      border:1px solid rgba(34,211,238,.26);
      color:#a5f3fc;
      font-weight:900;
    }
    .reviews{
      display:grid;
      grid-template-columns:1.05fr .95fr .95fr;
      gap:18px;
    }
    .review{padding:24px}
    .review.featured{min-height:260px;background:linear-gradient(160deg,rgba(59,130,246,.16),rgba(15,23,42,.62))}
    .avatar{
      width:44px;height:44px;border-radius:50%;
      display:grid;place-items:center;
      font-weight:900;
      color:#fff;
      background:linear-gradient(135deg,var(--blue),var(--purple),var(--pink));
      margin-bottom:16px;
    }
    .stars{color:#fde68a;letter-spacing:2px;margin-bottom:10px}
    .plans{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .plan{
      padding:28px;
      min-height:390px;
      display:flex;
      flex-direction:column;
    }
    .plan.recommend{
      border-color:rgba(139,92,246,.55);
      box-shadow:0 22px 80px rgba(0,0,0,.30),0 0 52px rgba(139,92,246,.16);
    }
    .plan-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
    .price{font-size:30px;line-height:1.1;font-weight:900;margin:18px 0;color:#fff}
    .plan ul{list-style:none;display:grid;gap:12px;margin:14px 0 24px}
    .plan li{color:var(--muted);display:flex;gap:10px}
    .plan li:before{content:"✓";color:var(--cyan);font-weight:900}
    .plan .btn{margin-top:auto;width:100%}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-item{
      padding:22px;
      border-radius:22px;
      background:rgba(15,23,42,.58);
      border:1px solid var(--border);
    }
    .faq-item h3{font-size:18px;margin-bottom:10px}
    .faq-item p{font-size:15px}
    .cta-band{
      border-radius:34px;
      padding:42px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      background:
        radial-gradient(circle at 12% 20%,rgba(34,211,238,.16),transparent 34%),
        radial-gradient(circle at 86% 12%,rgba(236,72,153,.18),transparent 35%),
        linear-gradient(135deg,rgba(59,130,246,.17),rgba(139,92,246,.11),rgba(15,23,42,.70));
      border:1px solid rgba(148,163,184,.22);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .form-card{
      margin-top:22px;
      display:flex;
      gap:12px;
      max-width:640px;
      padding:8px;
      border-radius:20px;
      background:rgba(2,6,23,.38);
      border:1px solid var(--border);
    }
    .form-card input,.form-card select{
      min-width:0;
      flex:1;
      border:1px solid transparent;
      border-radius:15px;
      background:rgba(15,23,42,.66);
      padding:12px 14px;
      color:#e2e8f0;
    }
    .form-card input::placeholder{color:var(--weak)}
    .form-card input:focus,.form-card select:focus{outline:none;border-color:rgba(34,211,238,.46);box-shadow:0 0 0 4px rgba(34,211,238,.08)}
    footer{
      margin-left:var(--nav);
      border-top:1px solid var(--border);
      background:linear-gradient(180deg,rgba(6,8,20,.58),rgba(5,7,19,.94));
      position:relative;
    }
    .footer-grid{
      width:min(var(--max),calc(100% - 72px));
      margin:0 auto;
      padding:44px 0;
      display:grid;
      grid-template-columns:1.2fr .8fr 1fr;
      gap:34px;
    }
    .footer-brand{display:flex;gap:14px;align-items:flex-start}
    .footer-logo{
      flex:0 0 44px;
      width:44px;height:44px;border-radius:17px;
      background:linear-gradient(135deg,var(--blue),var(--purple),var(--pink));
      display:grid;place-items:center;
    }
    .footer-logo:before{
      content:"";width:0;height:0;border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:14px solid #fff;margin-left:3px;
    }
    .footer-title{font-weight:900;color:#fff;margin-bottom:6px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--sub);transition:.2s}
    .footer-links a:hover{color:#bfdbfe;transform:translateX(3px)}
    .legal{
      color:var(--sub);
      font-size:14px;
    }
    .copyright{
      border-top:1px solid rgba(148,163,184,.12);
      width:min(var(--max),calc(100% - 72px));
      margin:0 auto;
      padding:18px 0 28px;
      color:var(--weak);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    @media (max-width:1199px){
      :root{--nav:86px}
      .container,.footer-grid,.copyright{width:min(100% - 48px,var(--max))}
      .hero-grid{grid-template-columns:1fr;gap:34px}
      .preview{max-width:720px}
      .bento{grid-template-columns:repeat(2,1fr)}
      .feature-card.large,.feature-card.small{grid-column:span 1}
      .reviews{grid-template-columns:1fr 1fr}
      .review.featured{grid-column:span 2}
    }
    @media (max-width:900px){
      .desktop-nav{display:none}
      .mobile-top{
        display:flex;
        position:sticky;
        top:0;
        z-index:40;
        align-items:center;
        justify-content:space-between;
        padding:14px 20px;
        background:rgba(6,8,20,.78);
        border-bottom:1px solid var(--border);
        backdrop-filter:blur(18px) saturate(140%);
      }
      .mobile-brand{display:flex;align-items:center;gap:10px;font-weight:900}
      .mobile-brand .logo-mark{width:42px;height:42px;border-radius:16px}
      .mobile-brand .logo-mark:before{border-top-width:9px;border-bottom-width:9px;border-left-width:14px}
      .menu-btn{
        width:44px;height:44px;border-radius:16px;
        display:grid;place-items:center;
        background:rgba(15,23,42,.64);
        border:1px solid var(--border);
      }
      .menu-btn span,.menu-btn span:before,.menu-btn span:after{
        display:block;width:20px;height:2px;border-radius:99px;background:#e2e8f0;position:relative;content:"";
      }
      .menu-btn span:before{position:absolute;top:-7px}
      .menu-btn span:after{position:absolute;top:7px}
      .menu-toggle:checked ~ .mobile-panel{display:block}
      .mobile-panel{
        position:fixed;
        top:72px;left:16px;right:16px;
        z-index:39;
        padding:16px;
        border-radius:24px;
        background:rgba(15,23,42,.92);
        border:1px solid var(--border-hi);
        backdrop-filter:blur(18px);
        box-shadow:var(--shadow);
      }
      .mobile-panel a{
        display:flex;
        justify-content:space-between;
        padding:14px 12px;
        border-radius:16px;
        color:var(--muted);
      }
      .mobile-panel a.active,.mobile-panel a:hover{background:rgba(59,130,246,.12);color:#fff}
      .page,footer{margin-left:0}
      .hero{min-height:auto;padding:54px 0 72px}
      .section{padding:72px 0}
      .section-head{display:block}
      .trust-row{grid-template-columns:1fr 1fr}
      .category-layout,.scene-wrap,.cta-band{grid-template-columns:1fr}
      .scene-sticky{position:relative;top:auto}
      .plans{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:620px){
      .container,.footer-grid,.copyright{width:calc(100% - 32px)}
      .hero{padding-top:38px}
      h1{font-size:38px}
      .lead{font-size:16px}
      .cta-row,.form-card{flex-direction:column}
      .btn{width:100%}
      .trust-row,.bento,.reviews,.preview-floating{grid-template-columns:1fr}
      .review.featured{grid-column:auto}
      .player{height:240px}
      .feature-card.large,.feature-card.small{min-height:auto}
      .cta-band{padding:26px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{
      --bg:#070A14;
      --bg-deep:#060814;
      --panel:#0C1020;
      --panel-2:#10162A;
      --glass:rgba(15,23,42,.62);
      --glass-strong:rgba(17,24,39,.78);
      --text:#F8FAFC;
      --muted:#CBD5E1;
      --subtle:#94A3B8;
      --weak:#64748B;
      --blue:#3B82F6;
      --blue-dark:#2563EB;
      --purple:#8B5CF6;
      --pink:#EC4899;
      --cyan:#22D3EE;
      --amber:#F59E0B;
      --border:rgba(148,163,184,.18);
      --border-hi:rgba(59,130,246,.38);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --shadow:0 22px 80px rgba(0,0,0,.38);
      --glow:0 0 42px rgba(59,130,246,.18),0 0 70px rgba(139,92,246,.12);
      --nav-w:98px;
      --container:1240px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 88% 8%,rgba(59,130,246,.22),transparent 34%),
        radial-gradient(circle at 70% 38%,rgba(236,72,153,.12),transparent 30%),
        radial-gradient(circle at 22% 96%,rgba(139,92,246,.18),transparent 34%),
        linear-gradient(180deg,#070A14 0%,#080B16 44%,#050711 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.28;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 75%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background:
        repeating-linear-gradient(90deg,transparent 0 36px,rgba(255,255,255,.045) 37px,transparent 38px),
        radial-gradient(circle at 50% 50%,transparent,rgba(0,0,0,.55));
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    button,input,select{font:inherit}
    button{border:0;cursor:pointer}
    img,svg{max-width:100%;display:block}
    ::selection{background:rgba(59,130,246,.38);color:#fff}
    :focus-visible{outline:3px solid rgba(34,211,238,.75);outline-offset:4px;border-radius:14px}

    .desktop-nav{
      position:fixed;
      left:0;
      top:0;
      z-index:50;
      width:var(--nav-w);
      height:100vh;
      padding:22px 14px;
      background:linear-gradient(180deg,rgba(6,8,20,.94),rgba(6,8,20,.72));
      border-right:1px solid var(--border);
      backdrop-filter:blur(22px) saturate(135%);
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:18px;
      box-shadow:12px 0 48px rgba(0,0,0,.26);
    }
    .logo-mark{
      width:54px;
      height:54px;
      border-radius:20px;
      position:relative;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 68% 28%,rgba(34,211,238,.75),transparent 25%),
        linear-gradient(135deg,var(--blue),var(--purple) 56%,var(--pink));
      box-shadow:0 0 30px rgba(59,130,246,.36), inset 0 1px 0 rgba(255,255,255,.35);
      transition:transform .28s var(--ease),box-shadow .28s var(--ease);
    }
    .logo-mark:hover{transform:translateY(-2px) rotate(-3deg);box-shadow:0 0 44px rgba(139,92,246,.48)}
    .logo-mark:before{
      content:"";
      position:absolute;
      left:21px;
      top:16px;
      width:0;height:0;
      border-top:11px solid transparent;
      border-bottom:11px solid transparent;
      border-left:17px solid #fff;
      filter:drop-shadow(0 0 10px rgba(255,255,255,.55));
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      inset:8px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.34);
      border-left-color:transparent;
      transform:rotate(-25deg);
    }
    .logo-text-vertical{
      writing-mode:vertical-rl;
      letter-spacing:.08em;
      color:var(--subtle);
      font-size:12px;
      line-height:1.3;
      max-height:150px;
      text-align:center;
    }
    .nav-links{
      width:100%;
      margin-top:8px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .nav-item{
      position:relative;
      min-height:68px;
      border-radius:20px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      color:var(--subtle);
      font-size:12px;
      background:transparent;
      border:1px solid transparent;
      transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
    }
    .nav-item .ico{font-size:20px;line-height:1;color:var(--cyan)}
    .nav-item:hover{
      color:var(--text);
      transform:translateY(-2px);
      background:rgba(15,23,42,.7);
      border-color:var(--border);
    }
    .nav-item.active{
      color:#fff;
      background:linear-gradient(180deg,rgba(59,130,246,.22),rgba(139,92,246,.12));
      border-color:rgba(59,130,246,.42);
      box-shadow:inset 0 0 24px rgba(59,130,246,.14),0 0 28px rgba(59,130,246,.12);
    }
    .nav-item.active:before{
      content:"";
      position:absolute;
      left:-15px;
      width:4px;
      height:34px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--cyan),var(--purple));
      box-shadow:0 0 18px rgba(34,211,238,.55);
    }
    .adult-badge{
      margin-top:auto;
      width:70px;
      padding:10px 7px;
      border-radius:18px;
      text-align:center;
      font-size:11px;
      line-height:1.45;
      color:#FED7AA;
      background:rgba(245,158,11,.1);
      border:1px solid rgba(245,158,11,.26);
      box-shadow:0 0 28px rgba(245,158,11,.08);
    }
    .adult-badge strong{
      display:block;
      color:#FBBF24;
      font-size:18px;
      line-height:1.1;
    }

    .mobile-header{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      padding:12px 16px;
      background:rgba(6,8,20,.82);
      backdrop-filter:blur(18px) saturate(140%);
      border-bottom:1px solid var(--border);
    }
    .mobile-bar{display:flex;align-items:center;justify-content:space-between;gap:14px}
    .mobile-brand{display:flex;align-items:center;gap:10px;min-width:0}
    .mobile-logo{
      width:42px;height:42px;border-radius:16px;position:relative;
      background:linear-gradient(135deg,var(--blue),var(--purple) 55%,var(--pink));
      box-shadow:0 0 24px rgba(59,130,246,.3);
      flex:0 0 auto;
    }
    .mobile-logo:before{
      content:"";
      position:absolute;left:16px;top:12px;width:0;height:0;
      border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:14px solid #fff;
    }
    .mobile-brand strong{display:block;font-size:15px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mobile-brand span{display:block;color:var(--subtle);font-size:11px}
    .menu-toggle{
      width:44px;height:44px;border-radius:16px;
      color:#fff;background:rgba(15,23,42,.76);
      border:1px solid var(--border);
      display:grid;place-items:center;
    }
    .mobile-menu{
      display:none;
      margin-top:12px;
      padding:12px;
      border-radius:20px;
      background:var(--glass-strong);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .mobile-header:focus-within .mobile-menu,
    .mobile-header:hover .mobile-menu{display:block}
    .mobile-menu a{
      display:flex;align-items:center;justify-content:space-between;
      padding:12px 14px;border-radius:14px;color:var(--muted);
      border:1px solid transparent;
    }
    .mobile-menu a:hover,.mobile-menu a.active{color:#fff;background:rgba(59,130,246,.13);border-color:rgba(59,130,246,.28)}

    .page{
      margin-left:var(--nav-w);
      min-height:100vh;
    }
    .container{
      width:min(var(--container),calc(100% - 64px));
      margin:0 auto;
    }
    main{padding:34px 0 0}
    .section{padding:82px 0}
    .section.tight{padding:56px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 12px;
      border-radius:var(--radius-pill);
      color:#BFDBFE;
      background:rgba(59,130,246,.12);
      border:1px solid rgba(59,130,246,.28);
      font-size:13px;
      font-weight:650;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(34,211,238,.85);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:16px 0 18px;
      max-width:820px;
      font-size:clamp(36px,5vw,58px);
      line-height:1.1;
      letter-spacing:-.045em;
    }
    h2{
      margin:0 0 14px;
      font-size:clamp(27px,3vw,38px);
      line-height:1.18;
      letter-spacing:-.03em;
    }
    h3{
      margin:0 0 10px;
      font-size:21px;
      line-height:1.28;
      letter-spacing:-.015em;
    }
    p{color:var(--muted)}
    .lead{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
    }
    .muted{color:var(--subtle)}
    .gradient-text{
      background:linear-gradient(135deg,#fff 10%,#BFDBFE 36%,#C4B5FD 62%,#FBCFE8);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .dashboard-hero{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(15,23,42,.78),rgba(15,23,42,.48)),
        radial-gradient(circle at 86% 18%,rgba(59,130,246,.32),transparent 33%),
        radial-gradient(circle at 72% 86%,rgba(236,72,153,.18),transparent 34%);
      border:1px solid var(--border);
      box-shadow:var(--shadow),var(--glow);
      backdrop-filter:blur(18px) saturate(130%);
    }
    .dashboard-hero:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(90deg,transparent,rgba(255,255,255,.07),transparent),
        repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 12px);
      opacity:.2;
      mask-image:linear-gradient(90deg,transparent,black 20%,black 78%,transparent);
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:30px;
      align-items:stretch;
    }
    .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:var(--subtle);
      font-size:13px;
      margin-bottom:10px;
    }
    .breadcrumbs a{color:#BAE6FD}
    .breadcrumbs a:hover{text-decoration:underline;text-underline-offset:4px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:var(--radius-pill);
      font-weight:700;
      color:#fff;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--blue),var(--purple) 55%,var(--pink));
      box-shadow:0 16px 36px rgba(59,130,246,.24),0 0 32px rgba(139,92,246,.16);
      background-size:140% 140%;
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 46px rgba(59,130,246,.32),0 0 45px rgba(236,72,153,.18);background-position:80% 50%}
    .btn-primary:active,.btn-ghost:active{transform:translateY(0)}
    .btn-ghost{
      background:rgba(15,23,42,.66);
      border:1px solid var(--border);
      color:#E0F2FE;
    }
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.38);background:rgba(30,41,59,.7);box-shadow:0 0 26px rgba(34,211,238,.1)}
    .stats-panel{
      position:relative;
      padding:22px;
      border-radius:28px;
      background:rgba(6,8,20,.42);
      border:1px solid rgba(148,163,184,.2);
      overflow:hidden;
    }
    .stats-panel:before{
      content:"";
      position:absolute;
      inset:-80px -80px auto auto;
      width:210px;height:210px;border-radius:50%;
      background:radial-gradient(circle,rgba(34,211,238,.24),transparent 64%);
    }
    .meter-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;position:relative}
    .live-dot{display:inline-flex;align-items:center;gap:8px;color:#A7F3D0;font-size:13px}
    .live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:#34D399;box-shadow:0 0 14px rgba(52,211,153,.9)}
    .quality-switch{
      display:flex;gap:6px;padding:6px;border-radius:999px;background:rgba(15,23,42,.74);border:1px solid var(--border);
    }
    .quality-switch span{padding:5px 9px;border-radius:999px;font-size:12px;color:var(--subtle)}
    .quality-switch span.active{color:#fff;background:linear-gradient(135deg,rgba(59,130,246,.78),rgba(139,92,246,.75))}
    .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative}
    .stat-card{
      padding:15px;
      border-radius:18px;
      background:rgba(15,23,42,.62);
      border:1px solid var(--border);
    }
    .stat-card b{display:block;font-size:25px;line-height:1.1;letter-spacing:-.02em}
    .stat-card span{display:block;color:var(--subtle);font-size:12px;margin-top:5px}
    .mini-visual{
      position:relative;
      margin-top:14px;
      height:118px;
      border-radius:20px;
      overflow:hidden;
      background:
        radial-gradient(circle at 24% 24%,rgba(236,72,153,.42),transparent 24%),
        radial-gradient(circle at 74% 40%,rgba(59,130,246,.38),transparent 30%),
        linear-gradient(135deg,#111827,#020617);
      border:1px solid rgba(255,255,255,.1);
    }
    .mini-visual:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(255,255,255,.08),transparent 26%,rgba(255,255,255,.06) 48%,transparent);
      filter:blur(1px);
    }
    .play-ring{
      position:absolute;
      left:50%;
      top:50%;
      transform:translate(-50%,-50%);
      width:54px;height:54px;border-radius:50%;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.26);
      backdrop-filter:blur(10px);
      display:grid;place-items:center;
      box-shadow:0 0 28px rgba(59,130,246,.34);
    }
    .play-ring:before{
      content:"";
      margin-left:4px;
      width:0;height:0;
      border-top:10px solid transparent;
      border-bottom:10px solid transparent;
      border-left:15px solid #fff;
    }

    .filter-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-top:28px;
      padding:14px;
      border-radius:24px;
      background:rgba(15,23,42,.48);
      border:1px solid var(--border);
    }
    .filter-pills{display:flex;gap:10px;flex-wrap:wrap}
    .pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 13px;
      border-radius:999px;
      color:var(--muted);
      font-size:13px;
      background:rgba(15,23,42,.68);
      border:1px solid rgba(148,163,184,.16);
      transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
    }
    .pill:hover{transform:translateY(-1px);color:#fff;border-color:rgba(59,130,246,.38);background:rgba(59,130,246,.14)}
    .pill.active{color:#fff;background:linear-gradient(135deg,rgba(59,130,246,.42),rgba(139,92,246,.28));border-color:rgba(59,130,246,.48)}
    .view-toggle{display:flex;gap:8px;flex:0 0 auto}
    .view-toggle span{
      width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
      background:rgba(30,41,59,.68);
      color:var(--subtle);
      border:1px solid var(--border);
    }
    .view-toggle span:first-child{color:#fff;border-color:rgba(34,211,238,.34)}

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:28px;
    }
    .section-head p{max-width:640px;margin-bottom:0}
    .matrix{
      display:grid;
      grid-template-columns:1.12fr .88fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-card,.category-card,.topic-panel,.note-card,.faq-item,.cta-band,.experience-card,.compact-list{
      background:var(--glass);
      border:1px solid var(--border);
      backdrop-filter:blur(18px) saturate(130%);
      box-shadow:0 18px 52px rgba(0,0,0,.22);
    }
    .feature-card,.category-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease);
    }
    .feature-card:hover,.category-card:hover,.topic-panel:hover,.note-card:hover{
      transform:translateY(-4px);
      border-color:rgba(59,130,246,.4);
      box-shadow:0 24px 70px rgba(0,0,0,.32),0 0 34px rgba(59,130,246,.13);
    }
    .feature-card{min-height:520px;padding:26px;display:flex;flex-direction:column;justify-content:space-between}
    .cover{
      position:relative;
      min-height:230px;
      border-radius:24px;
      overflow:hidden;
      background:
        radial-gradient(circle at 28% 24%,rgba(236,72,153,.46),transparent 25%),
        radial-gradient(circle at 72% 36%,rgba(34,211,238,.4),transparent 28%),
        radial-gradient(circle at 44% 84%,rgba(139,92,246,.4),transparent 32%),
        linear-gradient(135deg,#111827,#020617);
      border:1px solid rgba(255,255,255,.1);
    }
    .cover:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.08),transparent 19%,rgba(255,255,255,.04) 37%,transparent 60%),
        repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 2px,transparent 2px 18px);
      opacity:.28;
      filter:blur(.2px);
    }
    .cover:after{
      content:"";
      position:absolute;
      left:24px;right:24px;bottom:22px;height:7px;border-radius:999px;
      background:linear-gradient(90deg,var(--cyan) 0 42%,rgba(255,255,255,.2) 42% 100%);
      box-shadow:0 0 18px rgba(34,211,238,.4);
    }
    .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 14px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      color:#DBEAFE;
      font-size:12px;
      background:rgba(59,130,246,.12);
      border:1px solid rgba(59,130,246,.24);
    }
    .badge.hot{color:#FCE7F3;background:rgba(236,72,153,.12);border-color:rgba(236,72,153,.24)}
    .badge.safe{color:#CFFAFE;background:rgba(34,211,238,.1);border-color:rgba(34,211,238,.22)}
    .badge.vip{color:#FEF3C7;background:rgba(245,158,11,.11);border-color:rgba(245,158,11,.25)}
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
      color:var(--subtle);
      font-size:13px;
    }
    .card-meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(15,23,42,.62);
      border:1px solid rgba(148,163,184,.12);
    }
    .card-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:22px}
    .text-link{color:#BAE6FD;font-weight:700}
    .text-link:hover{text-decoration:underline;text-underline-offset:5px;color:#E0F2FE}
    .side-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .category-card{padding:18px;min-height:251px}
    .category-card .cover{min-height:116px;border-radius:18px}
    .category-card h3{font-size:18px}
    .category-card p{font-size:14px;line-height:1.65;margin-bottom:0}

    .topic-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr 1fr;
      gap:18px;
    }
    .topic-panel{
      border-radius:24px;
      padding:22px;
      transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
    }
    .topic-icon{
      width:46px;height:46px;border-radius:17px;
      display:grid;place-items:center;
      margin-bottom:16px;
      color:#fff;
      background:linear-gradient(135deg,rgba(59,130,246,.88),rgba(139,92,246,.8));
      box-shadow:0 0 24px rgba(59,130,246,.22);
      font-size:21px;
    }
    .topic-panel p{font-size:14px;margin-bottom:0}

    .compact-list{
      border-radius:var(--radius-xl);
      padding:10px;
      overflow:hidden;
    }
    .list-row{
      display:grid;
      grid-template-columns:64px minmax(0,1fr) auto auto;
      align-items:center;
      gap:16px;
      padding:14px;
      border-radius:20px;
      border:1px solid transparent;
      transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
    }
    .list-row:hover{
      background:rgba(59,130,246,.1);
      border-color:rgba(59,130,246,.22);
      transform:translateX(3px);
    }
    .rank{
      width:44px;height:44px;border-radius:16px;display:grid;place-items:center;
      color:#fff;font-weight:800;
      background:linear-gradient(135deg,rgba(59,130,246,.8),rgba(236,72,153,.66));
      box-shadow:0 0 22px rgba(139,92,246,.18);
    }
    .list-row h3{font-size:17px;margin:0 0 2px}
    .list-row p{font-size:13px;margin:0;color:var(--subtle);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .heat{color:#FBCFE8;font-size:13px;white-space:nowrap}
    .mini-btn{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:36px;
      padding:8px 12px;
      border-radius:999px;
      color:#E0F2FE;
      font-size:13px;
      font-weight:700;
      background:rgba(15,23,42,.7);
      border:1px solid rgba(148,163,184,.18);
    }
    .mini-btn:hover{border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.1)}

    .experience{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:stretch;
    }
    .experience-card{
      border-radius:var(--radius-xl);
      padding:30px;
      position:relative;
      overflow:hidden;
    }
    .experience-card:before{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-90px;
      width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle,rgba(59,130,246,.2),transparent 64%);
    }
    .checks{display:grid;gap:13px;margin:22px 0 0;padding:0;list-style:none;position:relative}
    .checks li{
      display:flex;gap:11px;align-items:flex-start;
      color:var(--muted);
      padding:12px 13px;
      border-radius:16px;
      background:rgba(15,23,42,.5);
      border:1px solid rgba(148,163,184,.12);
    }
    .checks li:before{
      content:"✓";
      flex:0 0 auto;
      width:22px;height:22px;border-radius:50%;
      display:grid;place-items:center;
      color:#fff;font-size:12px;font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--blue));
      margin-top:2px;
    }
    .signal-card{
      border-radius:var(--radius-xl);
      padding:24px;
      background:
        radial-gradient(circle at 72% 24%,rgba(34,211,238,.18),transparent 28%),
        rgba(15,23,42,.58);
      border:1px solid var(--border);
      backdrop-filter:blur(18px) saturate(130%);
    }
    .signal-bars{display:grid;gap:15px;margin-top:18px}
    .bar-line{display:grid;grid-template-columns:120px 1fr 48px;gap:12px;align-items:center;color:var(--subtle);font-size:13px}
    .bar{
      height:10px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden;
      border:1px solid rgba(255,255,255,.06);
    }
    .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple));box-shadow:0 0 18px rgba(59,130,246,.38)}
    .note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
    .note-card{border-radius:24px;padding:20px}
    .note-card strong{display:block;color:#fff;margin-bottom:6px}
    .note-card span{color:var(--subtle);font-size:13px}

    .faq-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:24px}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border-radius:22px;
      padding:20px 22px;
      transition:border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease);
    }
    .faq-item:hover{transform:translateY(-2px);border-color:rgba(59,130,246,.34);background:rgba(15,23,42,.74)}
    .faq-item h3{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:18px;
    }
    .faq-item h3:before{
      content:"?";
      flex:0 0 auto;
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      color:#fff;font-size:15px;
      background:linear-gradient(135deg,var(--blue),var(--purple));
    }
    .faq-item p{margin:0;font-size:14px}

    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 82% 20%,rgba(236,72,153,.18),transparent 32%),
        linear-gradient(135deg,rgba(59,130,246,.18),rgba(139,92,246,.1) 48%,rgba(15,23,42,.78));
    }
    .cta-band:before{
      content:"";
      position:absolute;inset:0;
      pointer-events:none;
      background:linear-gradient(90deg,rgba(255,255,255,.08),transparent 18%,transparent 82%,rgba(255,255,255,.06));
      opacity:.5;
    }
    .cta-band > *{position:relative}
    .cta-band p{margin-bottom:0;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

    footer{
      position:relative;
      margin-top:78px;
      padding:42px 0 28px;
      border-top:1px solid var(--border);
      background:linear-gradient(180deg,rgba(6,8,20,.18),rgba(6,8,20,.72));
    }
    footer:before{
      content:"";
      position:absolute;
      left:18%;
      right:12%;
      top:-1px;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--blue),var(--purple),transparent);
      opacity:.68;
    }
    .footer-grid{
      width:min(var(--container),calc(100% - 64px));
      margin:0 auto;
      display:grid;
      grid-template-columns:1.35fr .65fr 1fr;
      gap:30px;
    }
    .footer-brand{display:flex;gap:14px;align-items:flex-start}
    .footer-logo{
      width:46px;height:46px;border-radius:17px;position:relative;flex:0 0 auto;
      background:linear-gradient(135deg,var(--blue),var(--purple) 55%,var(--pink));
      box-shadow:0 0 26px rgba(59,130,246,.24);
    }
    .footer-logo:before{
      content:"";
      position:absolute;left:17px;top:13px;width:0;height:0;
      border-top:10px solid transparent;border-bottom:10px solid transparent;border-left:15px solid #fff;
    }
    .footer-title{
      color:#fff;
      font-weight:800;
      margin-bottom:9px;
      letter-spacing:-.01em;
    }
    footer p{margin:0;color:var(--subtle);font-size:14px;line-height:1.75}
    .footer-links{display:grid;gap:8px}
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .22s var(--ease),transform .22s var(--ease);
    }
    .footer-links a:hover{color:#BAE6FD;transform:translateX(3px)}
    .copyright{
      width:min(var(--container),calc(100% - 64px));
      margin:28px auto 0;
      padding-top:18px;
      border-top:1px solid rgba(148,163,184,.12);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--weak);
      font-size:13px;
    }

    @media (max-width:1180px){
      :root{--nav-w:86px}
      .container{width:min(var(--container),calc(100% - 44px))}
      .hero-inner{grid-template-columns:1fr}
      .stats-panel{max-width:620px}
      .topic-grid{grid-template-columns:repeat(2,1fr)}
      .matrix{grid-template-columns:1fr}
    }
    @media (max-width:900px){
      .desktop-nav{display:none}
      .mobile-header{display:block}
      .page{margin-left:0}
      main{padding-top:22px}
      .section{padding:62px 0}
      .container,.footer-grid,.copyright{width:min(100% - 34px,var(--container))}
      .dashboard-hero{padding:24px;border-radius:28px}
      .filter-wrap{align-items:flex-start;flex-direction:column}
      .filter-pills{flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:3px}
      .pill{white-space:nowrap}
      .side-grid,.experience,.faq-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .note-grid{grid-template-columns:1fr}
      .cta-band{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:640px){
      h1{font-size:36px}
      .lead{font-size:15px}
      .dashboard-hero{padding:20px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .stat-grid,.topic-grid{grid-template-columns:1fr}
      .side-grid{grid-template-columns:1fr}
      .feature-card{min-height:auto;padding:20px}
      .category-card{padding:16px}
      .list-row{grid-template-columns:48px minmax(0,1fr);gap:12px}
      .heat,.list-row .mini-btn{grid-column:2}
      .bar-line{grid-template-columns:1fr;gap:7px}
      .cover{min-height:190px}
      .category-card .cover{min-height:135px}
    }
    @media (max-width:460px){
      .container,.footer-grid,.copyright{width:min(100% - 24px,var(--container))}
      .mobile-brand strong{max-width:220px}
      .dashboard-hero,.cta-band{border-radius:24px}
      .section{padding:54px 0}
      .card-bottom{align-items:flex-start;flex-direction:column}
      .badge-row{gap:6px}
    }