/* roulang page: index */
:root{
      --bg:#f6f7fb;
      --surface:#ffffff;
      --surface-2:#fbfbfd;
      --ink:#111827;
      --text:#253044;
      --muted:#687386;
      --line:#e4e8f0;
      --primary:#ff7a45;
      --primary-dark:#e85f29;
      --secondary:#111827;
      --accent:#f6c453;
      --green:#21a67a;
      --blue:#466cf2;
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --shadow-sm:0 8px 24px rgba(17,24,39,.08);
      --shadow-md:0 18px 48px rgba(17,24,39,.12);
      --shadow-lg:0 30px 80px rgba(17,24,39,.16);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% -10%, rgba(255,122,69,.18), transparent 32%),
        radial-gradient(circle at 90% 0%, rgba(70,108,242,.12), transparent 28%),
        var(--bg);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(255,122,69,.2);color:var(--ink)}
    .container{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(246,247,251,.82);
      border-bottom:1px solid rgba(228,232,240,.78);
    }
    .top-strip{
      background:linear-gradient(90deg, #111827, #293142 55%, #111827);
      color:#fff;
      font-size:13px;
      letter-spacing:.01em;
    }
    .top-strip .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .strip-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      color:#fff;
      white-space:nowrap;
    }
    .status-dot{
      width:8px;height:8px;border-radius:999px;background:var(--accent);
      box-shadow:0 0 0 5px rgba(246,196,83,.16);
      flex:0 0 auto;
    }
    .navbar{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      color:var(--ink);
      letter-spacing:-.04em;
      font-size:22px;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--ink),#343d50 52%,var(--primary));
      box-shadow:0 12px 32px rgba(17,24,39,.18);
      font-size:16px;
      letter-spacing:-.02em;
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      background:rgba(255,255,255,.7);
      border:1px solid rgba(228,232,240,.9);
      border-radius:999px;
      box-shadow:var(--shadow-sm);
    }
    .nav-link{
      padding:9px 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      font-size:14px;
      transition:.22s ease;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--ink);
      background:#fff;
      box-shadow:0 8px 22px rgba(17,24,39,.08);
    }
    .nav-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:12px 18px;
      font-weight:800;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
      white-space:nowrap;
    }
    .nav-cta,.btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#ff9b60);
      box-shadow:0 12px 28px rgba(255,122,69,.28);
    }
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,122,69,.34)}
    .btn-secondary{
      color:var(--ink);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(255,122,69,.35);box-shadow:var(--shadow-md)}
    .btn-dark{
      color:#fff;
      background:var(--ink);
      box-shadow:0 14px 34px rgba(17,24,39,.22);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#2b3342}
    .menu-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--ink);
      align-items:center;justify-content:center;
      box-shadow:var(--shadow-sm);
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      content:"";
      display:block;
      width:18px;height:2px;border-radius:4px;background:var(--ink);
      position:relative;
      transition:.2s ease;
    }
    .menu-toggle span:before{position:absolute;top:-6px}
    .menu-toggle span:after{position:absolute;top:6px}
    .section{padding:76px 0}
    .section-tight{padding:54px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:#8b431f;
      background:rgba(255,122,69,.1);
      border:1px solid rgba(255,122,69,.18);
      font-size:13px;font-weight:900;
      letter-spacing:.03em;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .section-title{
      margin:12px 0 0;
      color:var(--ink);
      font-size:clamp(28px,3.2vw,44px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.05em;
    }
    .section-desc{
      margin:12px 0 0;
      color:var(--muted);
      max-width:680px;
      font-size:16px;
    }
    .hero{
      padding:30px 0 52px;
    }
    .hero-band{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(228,232,240,.88);
      border-radius:34px;
      background:
        linear-gradient(120deg, rgba(255,255,255,.94), rgba(255,255,255,.78)),
        radial-gradient(circle at 78% 28%, rgba(255,122,69,.22), transparent 34%),
        radial-gradient(circle at 30% 10%, rgba(246,196,83,.2), transparent 30%);
      box-shadow:var(--shadow-lg);
    }
    .hero-band:before{
      content:"";
      position:absolute;inset:auto -80px -120px auto;
      width:420px;height:420px;border-radius:999px;
      background:linear-gradient(135deg,rgba(17,24,39,.08),rgba(255,122,69,.14));
      filter:blur(2px);
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:34px;
      align-items:center;
      padding:44px;
      min-height:368px;
    }
    h1{
      margin:16px 0 0;
      color:var(--ink);
      font-weight:950;
      font-size:clamp(38px,5vw,66px);
      line-height:1.08;
      letter-spacing:-.07em;
    }
    .hero-copy{
      margin:18px 0 0;
      max-width:720px;
      font-size:18px;
      color:#4b5567;
      line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:26px;
      max-width:680px;
    }
    .metric{
      padding:14px 16px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(228,232,240,.9);
      border-radius:18px;
      box-shadow:0 10px 28px rgba(17,24,39,.06);
    }
    .metric strong{display:block;color:var(--ink);font-size:24px;line-height:1;font-weight:950}
    .metric span{display:block;margin-top:7px;color:var(--muted);font-size:13px}
    .hero-panel{
      border-radius:28px;
      padding:20px;
      background:#111827;
      color:#fff;
      box-shadow:0 26px 54px rgba(17,24,39,.22);
      border:1px solid rgba(255,255,255,.08);
    }
    .panel-top{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12);
    }
    .panel-title{font-weight:900;color:#fff}
    .panel-chip{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      background:rgba(246,196,83,.16);
      color:#ffe3a0;
      font-size:12px;font-weight:800;
    }
    .timeline-card{
      margin-top:14px;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.1);
    }
    .timeline-card h3{margin:0;color:#fff;font-size:17px;font-weight:900}
    .timeline-card p{margin:8px 0 0;color:rgba(255,255,255,.72);font-size:14px;line-height:1.7}
    .progress-track{height:9px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:14px}
    .progress-fill{height:100%;width:72%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--primary))}
    .mini-list{display:grid;gap:10px;margin-top:14px}
    .mini-list li{
      list-style:none;
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      color:rgba(255,255,255,.82);
      font-size:14px;
    }
    .mini-list b{color:#fff}
    .news-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:start;
    }
    .news-list,.recommend-panel,.card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(228,232,240,.9);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
    }
    .news-list{padding:8px}
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      transition:.22s ease;
    }
    .news-item + .news-item{border-top:1px solid rgba(228,232,240,.75)}
    .news-item:hover{background:#fff;box-shadow:0 14px 34px rgba(17,24,39,.08);transform:translateY(-1px)}
    .news-date{
      min-width:66px;
      color:var(--primary-dark);
      font-weight:900;
      font-size:13px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,122,69,.1);
      text-align:center;
    }
    .news-item h3{margin:0;color:var(--ink);font-size:18px;font-weight:900;line-height:1.45}
    .news-item p{margin:6px 0 0;color:var(--muted);font-size:14px;line-height:1.65}
    .arrow{
      width:36px;height:36px;border-radius:14px;
      display:grid;place-items:center;
      background:var(--surface-2);
      color:var(--ink);
      border:1px solid var(--line);
      transition:.22s ease;
    }
    .news-item:hover .arrow{background:var(--ink);color:#fff}
    .recommend-panel{padding:24px;position:relative;overflow:hidden}
    .recommend-panel:after{
      content:"";
      position:absolute;right:-60px;bottom:-70px;width:180px;height:180px;border-radius:999px;
      background:rgba(255,122,69,.1);
    }
    .recommend-panel h3{margin:0;color:var(--ink);font-size:22px;font-weight:950;letter-spacing:-.03em}
    .recommend-panel p{margin:10px 0 0;color:var(--muted);font-size:15px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;position:relative}
    .tag{
      display:inline-flex;align-items:center;gap:7px;
      padding:9px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:#4b5567;
      font-weight:800;
      font-size:13px;
      box-shadow:0 8px 22px rgba(17,24,39,.05);
      transition:.22s ease;
    }
    .tag:hover{border-color:rgba(255,122,69,.35);color:var(--ink);transform:translateY(-1px)}
    .service-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:stretch;
    }
    .service-intro{
      padding:30px;
      border-radius:var(--radius-lg);
      background:linear-gradient(160deg,#111827,#263044);
      color:#fff;
      box-shadow:var(--shadow-md);
      position:relative;
      overflow:hidden;
      min-height:420px;
    }
    .service-intro:before{
      content:"";
      position:absolute;right:-80px;top:-80px;width:240px;height:240px;border-radius:999px;
      background:rgba(255,122,69,.28);
      filter:blur(4px);
    }
    .service-intro h2{position:relative;margin:14px 0 0;color:#fff;font-size:clamp(28px,3vw,42px);line-height:1.2;font-weight:950;letter-spacing:-.05em}
    .service-intro p{position:relative;margin:14px 0 0;color:rgba(255,255,255,.72)}
    .service-points{position:relative;margin-top:24px;display:grid;gap:12px}
    .service-point{
      display:flex;gap:12px;align-items:flex-start;
      padding:14px;border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }
    .point-icon{
      width:34px;height:34px;border-radius:12px;
      background:rgba(246,196,83,.18);
      display:grid;place-items:center;
      color:#ffe3a0;
      flex:0 0 auto;
      font-weight:950;
    }
    .service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .service-card{
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:.24s ease;
      min-height:194px;
    }
    .service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,122,69,.28)}
    .service-card .icon{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#ffb16f);
      box-shadow:0 12px 26px rgba(255,122,69,.22);
      font-size:20px;
    }
    .service-card h3{margin:16px 0 0;color:var(--ink);font-size:20px;font-weight:950;letter-spacing:-.03em}
    .service-card p{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.75}
    .app-stage{
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(17,24,39,.96),rgba(35,43,58,.96)),
        radial-gradient(circle at 80% 20%,rgba(255,122,69,.4),transparent 30%);
      color:#fff;
      overflow:hidden;
      box-shadow:var(--shadow-lg);
      border:1px solid rgba(255,255,255,.08);
    }
    .app-inner{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      padding:36px;
      align-items:center;
    }
    .app-inner .section-title,.app-inner h2{color:#fff}
    .app-inner .section-desc{color:rgba(255,255,255,.72)}
    .device-stage{
      display:grid;
      grid-template-columns:repeat(3,minmax(170px,1fr));
      gap:14px;
      align-items:end;
      overflow:hidden;
    }
    .device-card{
      min-height:330px;
      border-radius:28px;
      background:#f8fafc;
      color:var(--ink);
      padding:14px;
      border:1px solid rgba(255,255,255,.2);
      box-shadow:0 24px 54px rgba(0,0,0,.28);
      transform:rotate(-2deg);
    }
    .device-card:nth-child(2){min-height:370px;transform:translateY(-12px) rotate(1deg)}
    .device-card:nth-child(3){transform:rotate(2deg)}
    .device-bar{height:8px;width:60px;border-radius:99px;background:#d8dde7;margin:4px auto 16px}
    .screen-block{border-radius:20px;padding:16px;background:#fff;border:1px solid #e8edf5;margin-bottom:12px}
    .screen-block.dark{background:#111827;color:#fff;border-color:#111827}
    .screen-block h3{margin:0;font-size:16px;font-weight:950}
    .screen-block p{margin:6px 0 0;font-size:12px;color:inherit;opacity:.68;line-height:1.6}
    .line{height:8px;border-radius:99px;background:#e5eaf2;margin-top:10px}
    .line.short{width:68%}
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      counter-reset:guide;
    }
    .guide-card{
      position:relative;
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
    .guide-card:before{
      counter-increment:guide;
      content:"0" counter(guide);
      display:inline-flex;
      width:40px;height:40px;border-radius:14px;
      align-items:center;justify-content:center;
      background:rgba(255,122,69,.1);
      color:var(--primary-dark);
      font-weight:950;
      margin-bottom:16px;
    }
    .guide-card h3{margin:0;color:var(--ink);font-size:18px;font-weight:950}
    .guide-card p{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.72}
    .reward-strip{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:16px;
    }
    .reward-card{
      padding:24px;
      border-radius:26px;
      background:linear-gradient(180deg,#fff,#fff8f1);
      border:1px solid rgba(255,122,69,.18);
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
      transition:.22s ease;
    }
    .reward-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .reward-card:after{
      content:"";
      position:absolute;right:-34px;top:-34px;width:120px;height:120px;border-radius:999px;
      background:rgba(246,196,83,.22);
    }
    .reward-icon{
      width:54px;height:54px;border-radius:20px;
      display:grid;place-items:center;
      background:var(--ink);
      color:#fff;
      font-size:24px;
      position:relative;
    }
    .reward-card h3{position:relative;margin:16px 0 0;color:var(--ink);font-size:20px;font-weight:950}
    .reward-card p{position:relative;margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.75}
    .faq-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:24px;
      align-items:start;
    }
    .faq-aside{
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      position:sticky;
      top:120px;
    }
    .faq-aside h2{margin:12px 0 0;color:var(--ink);font-size:34px;line-height:1.2;font-weight:950;letter-spacing:-.05em}
    .faq-aside p{margin:12px 0 0;color:var(--muted)}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      box-shadow:var(--shadow-sm);
    }
    .faq-item h3{
      margin:0;color:var(--ink);
      font-size:18px;font-weight:950;
      display:flex;gap:12px;align-items:flex-start;
    }
    .faq-item h3 span{
      width:26px;height:26px;border-radius:9px;
      background:rgba(255,122,69,.1);
      color:var(--primary-dark);
      display:grid;place-items:center;
      flex:0 0 auto;
      font-size:13px;
    }
    .faq-item p{margin:10px 0 0;color:var(--muted);font-size:15px;line-height:1.85}
    .about-panel{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:24px;
      align-items:stretch;
    }
    .about-story,.trust-card{
      padding:30px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .about-story h2{margin:12px 0 0;color:var(--ink);font-size:clamp(30px,3.4vw,46px);line-height:1.17;font-weight:950;letter-spacing:-.055em}
    .about-story p{margin:14px 0 0;color:var(--muted)}
    .quote{
      margin-top:22px;
      padding:18px;
      border-radius:22px;
      background:#f7f8fb;
      border:1px solid var(--line);
      color:#4b5567;
      font-weight:700;
    }
    .trust-card{background:linear-gradient(180deg,#fff,#f8fafc)}
    .trust-list{display:grid;gap:13px;margin-top:8px}
    .trust-item{
      display:flex;align-items:flex-start;gap:12px;
      padding:14px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
    }
    .check{
      width:28px;height:28px;border-radius:10px;
      display:grid;place-items:center;
      background:rgba(33,166,122,.12);
      color:var(--green);
      font-weight:950;
      flex:0 0 auto;
    }
    .trust-item strong{display:block;color:var(--ink);font-weight:950}
    .trust-item span{display:block;color:var(--muted);font-size:14px;margin-top:2px}
    .final-cta{
      padding:34px;
      border-radius:34px;
      background:
        radial-gradient(circle at 20% 10%, rgba(246,196,83,.24), transparent 26%),
        linear-gradient(135deg,#111827,#273244);
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      box-shadow:var(--shadow-lg);
    }
    .final-cta h2{margin:0;color:#fff;font-size:clamp(26px,3vw,40px);line-height:1.2;font-weight:950;letter-spacing:-.05em}
    .final-cta p{margin:10px 0 0;color:rgba(255,255,255,.72);max-width:680px}
    .site-footer{
      padding:46px 0 30px;
      background:#0d121c;
      color:rgba(255,255,255,.72);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:inline-flex;align-items:center;gap:12px;
      color:#fff;font-size:22px;font-weight:950;letter-spacing:-.04em;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-desc{max-width:680px;margin:14px 0 0;color:rgba(255,255,255,.62)}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:rgba(255,255,255,.78);
      border:1px solid rgba(255,255,255,.08);
      transition:.22s ease;
      font-weight:700;
      font-size:14px;
    }
    .footer-links a:hover{background:rgba(255,255,255,.12);color:#fff}
    .copyright{
      margin-top:32px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:rgba(255,255,255,.52);
    }
    a:focus-visible,button:focus-visible,input:focus-visible{
      outline:3px solid rgba(255,122,69,.34);
      outline-offset:3px;
    }
    @media (max-width:1024px){
      .hero-inner,.service-wrap,.app-inner,.faq-wrap,.about-panel{grid-template-columns:1fr}
      .hero-panel{max-width:720px}
      .device-stage{grid-template-columns:repeat(3,minmax(140px,1fr))}
      .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .news-layout{grid-template-columns:1fr}
      .faq-aside{position:relative;top:auto}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .top-strip .container{align-items:flex-start;flex-direction:column;padding:10px 0}
      .navbar{min-height:68px}
      .menu-toggle{display:inline-flex}
      .nav-links{
        position:absolute;
        left:14px;right:14px;top:112px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:10px;
        background:rgba(255,255,255,.96);
      }
      .nav-links.open{display:flex}
      .nav-link{text-align:center}
      .nav-cta{display:none}
      .hero{padding-top:22px}
      .hero-inner{padding:28px;min-height:auto}
      .metric-row{grid-template-columns:1fr}
      .service-grid,.reward-strip{grid-template-columns:1fr}
      .device-stage{
        display:flex;
        overflow-x:auto;
        padding-bottom:12px;
        scroll-snap-type:x mandatory;
      }
      .device-card{min-width:230px;scroll-snap-align:start}
      .section{padding:58px 0}
      .section-head{display:block}
      .news-item{grid-template-columns:1fr;gap:10px}
      .arrow{display:none}
      .final-cta{display:block}
      .final-cta .hero-actions{margin-top:20px}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      h1{font-size:37px}
      .hero-inner{padding:22px;border-radius:24px}
      .hero-band{border-radius:26px}
      .brand{font-size:19px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .hero-actions .btn{width:100%}
      .guide-grid{grid-template-columns:1fr}
      .section-title{font-size:29px}
      .app-inner,.final-cta{padding:24px}
      .about-story,.trust-card,.faq-aside{padding:22px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }