/* roulang page: index */
:root{
      --primary:#2563eb;
      --primary-dark:#1d4ed8;
      --primary-soft:#eaf3ff;
      --accent:#38bdf8;
      --accent-2:#f59e0b;
      --success:#16a34a;
      --danger:#ef4444;
      --bg:#f7fbff;
      --surface:#ffffff;
      --surface-2:#f1f7ff;
      --text:#0f172a;
      --muted:#64748b;
      --weak:#94a3b8;
      --border:#dbe7f5;
      --border-strong:#bdd4ee;
      --shadow-sm:0 8px 24px rgba(15,23,42,.06);
      --shadow-md:0 18px 48px rgba(37,99,235,.12);
      --shadow-lg:0 28px 80px rgba(15,23,42,.16);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --container:1180px;
      --header-h:76px;
    }
    *{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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 6%, rgba(56,189,248,.18), transparent 30%),
        radial-gradient(circle at 88% 8%, rgba(37,99,235,.14), transparent 28%),
        linear-gradient(180deg,#fbfdff 0%, var(--bg) 46%, #ffffff 100%);
      line-height:1.65;
      overflow-x:hidden;
      padding-bottom:72px;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(37,99,235,.18);color:var(--primary-dark)}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .skip-link{
      position:absolute;
      left:18px;
      top:-60px;
      z-index:100;
      background:var(--primary);
      color:#fff;
      padding:10px 14px;
      border-radius:999px;
      transition:.2s ease;
    }
    .skip-link:focus{top:14px;outline:3px solid rgba(37,99,235,.28)}
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:saturate(180%) blur(18px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(219,231,245,.86);
      box-shadow:0 12px 36px rgba(15,23,42,.04);
    }
    .toolbar{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--text);
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--primary),#60a5fa 52%,var(--accent));
      box-shadow:0 14px 34px rgba(37,99,235,.24);
    }
    .brand-text{font-size:18px}
    .nav-center{
      flex:1;
      display:flex;
      justify-content:center;
      min-width:0;
    }
    .nav-pills{
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(241,247,255,.72);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.9);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 18px;
      border-radius:999px;
      font-weight:800;
      font-size:14px;
      color:#334155;
      transition:transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
    }
    .nav-link:hover{
      background:#fff;
      color:var(--primary);
      transform:translateY(-1px);
      box-shadow:var(--shadow-sm);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 12px 26px rgba(37,99,235,.22);
    }
    .toolbar-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
    }
    .status-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 13px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:#475569;
      font-size:13px;
      font-weight:800;
      box-shadow:var(--shadow-sm);
    }
    .status-dot{
      width:9px;
      height:9px;
      border-radius:999px;
      background:var(--success);
      box-shadow:0 0 0 5px rgba(22,163,74,.12);
    }
    .icon-btn{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      border:1px solid var(--border);
      background:#fff;
      color:#334155;
      box-shadow:var(--shadow-sm);
      transition:.18s ease;
      position:relative;
    }
    .icon-btn:hover{transform:translateY(-1px);border-color:var(--border-strong);color:var(--primary)}
    .icon-btn::after{
      content:"";
      position:absolute;
      top:10px;
      right:10px;
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent-2);
      border:2px solid #fff;
    }
    .menu-btn{display:none}
    .mobile-panel{
      display:none;
      padding:0 20px 18px;
      border-top:1px solid var(--border);
      background:rgba(255,255,255,.94);
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:flex;
      padding:14px 16px;
      border-radius:16px;
      color:#334155;
      font-weight:850;
      background:var(--surface-2);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 19px;
      border-radius:999px;
      font-weight:900;
      letter-spacing:-.01em;
      border:1px solid transparent;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-link:focus-visible,.icon-btn:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{
      outline:4px solid rgba(37,99,235,.18);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 14px 34px rgba(37,99,235,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(37,99,235,.3)}
    .btn-secondary{
      color:var(--primary-dark);
      background:#fff;
      border-color:var(--border);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}
    .btn-ghost{
      color:#334155;
      background:rgba(255,255,255,.64);
      border-color:var(--border);
    }
    .btn-ghost:hover{color:var(--primary);background:#fff;transform:translateY(-1px)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:900;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(37,99,235,.12);
    }
    .badge.white{
      color:#dbeafe;
      background:rgba(255,255,255,.1);
      border-color:rgba(255,255,255,.18);
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section.tight{padding:64px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary);
      font-size:13px;
      font-weight:950;
      letter-spacing:.08em;
      text-transform:uppercase;
      margin-bottom:9px;
    }
    .section-title{
      font-size:clamp(28px,3vw,44px);
      line-height:1.14;
      letter-spacing:-.04em;
      font-weight:950;
      color:var(--text);
      margin:0;
    }
    .section-desc{
      max-width:620px;
      color:var(--muted);
      margin:12px 0 0;
      font-size:16px;
    }
    .hero{
      padding:46px 0 72px;
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      min-height:620px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(189,212,238,.85);
      background:
        linear-gradient(115deg,rgba(255,255,255,.96),rgba(239,248,255,.92) 50%,rgba(226,240,255,.98)),
        radial-gradient(circle at 78% 20%, rgba(56,189,248,.23), transparent 32%);
      box-shadow:var(--shadow-lg);
      padding:34px;
    }
    .hero-stage::before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:420px;
      height:420px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(37,99,235,.16),transparent 68%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:26px;
      align-items:stretch;
      min-height:552px;
      position:relative;
      z-index:1;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:12px 0 6px;
    }
    .hero-topline{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-bottom:22px;
    }
    h1{
      font-size:clamp(40px,6vw,76px);
      line-height:.98;
      letter-spacing:-.065em;
      margin:0;
      color:#0b1736;
    }
    .hero-lead{
      max-width:720px;
      margin:24px 0 0;
      color:#475569;
      font-size:clamp(17px,1.8vw,20px);
      line-height:1.8;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-data{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:32px;
    }
    .mini-stat{
      background:rgba(255,255,255,.78);
      border:1px solid var(--border);
      border-radius:20px;
      padding:16px;
      box-shadow:var(--shadow-sm);
    }
    .mini-stat strong{
      display:block;
      font-size:24px;
      line-height:1;
      letter-spacing:-.04em;
      color:var(--primary-dark);
      margin-bottom:8px;
    }
    .mini-stat span{color:var(--muted);font-size:13px;font-weight:750}
    .crowd-board{
      display:grid;
      grid-template-rows:auto 1fr auto;
      gap:16px;
    }
    .progress-panel,.tier-panel,.countdown-panel{
      border:1px solid rgba(219,231,245,.95);
      background:rgba(255,255,255,.82);
      border-radius:28px;
      box-shadow:var(--shadow-md);
      backdrop-filter:blur(16px);
    }
    .progress-panel{
      padding:24px;
      display:grid;
      grid-template-columns:190px 1fr;
      gap:22px;
      align-items:center;
    }
    .progress-ring{
      --value:76%;
      width:176px;
      height:176px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:conic-gradient(var(--primary) 0 var(--value), #dbeafe var(--value) 100%);
      position:relative;
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.12);
    }
    .progress-ring::before{
      content:"";
      position:absolute;
      inset:17px;
      border-radius:50%;
      background:#fff;
      box-shadow:inset 0 0 0 1px var(--border);
    }
    .ring-text{
      position:relative;
      text-align:center;
      z-index:1;
    }
    .ring-text strong{
      display:block;
      font-size:38px;
      line-height:1;
      letter-spacing:-.06em;
      color:var(--primary-dark);
    }
    .ring-text span{
      color:var(--muted);
      font-weight:850;
      font-size:13px;
    }
    .progress-copy h2{
      margin:0 0 8px;
      font-size:25px;
      line-height:1.2;
      letter-spacing:-.03em;
      font-weight:950;
    }
    .progress-copy p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .meter{
      height:10px;
      border-radius:999px;
      background:#dbeafe;
      overflow:hidden;
      margin:18px 0 10px;
    }
    .meter span{
      display:block;
      height:100%;
      width:76%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .meter-row{
      display:flex;
      justify-content:space-between;
      color:#64748b;
      font-size:12px;
      font-weight:850;
    }
    .tier-panel{padding:22px}
    .tier-list{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    .tier-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px;
      border-radius:18px;
      border:1px solid var(--border);
      background:linear-gradient(180deg,#fff,#f8fbff);
      transition:.18s ease;
    }
    .tier-item:hover{transform:translateX(3px);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
    .tier-name{font-weight:950;color:#0f172a}
    .tier-note{font-size:12px;color:var(--muted);margin-top:2px}
    .tier-price{
      color:var(--success);
      font-weight:950;
      white-space:nowrap;
    }
    .countdown-panel{
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      background:linear-gradient(135deg,#172554,#1d4ed8);
      color:#fff;
      border-color:rgba(255,255,255,.16);
    }
    .countdown-title{font-weight:950;margin-bottom:2px}
    .countdown-sub{font-size:13px;color:#bfdbfe}
    .countdown-boxes{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .timebox{
      min-width:54px;
      padding:8px 9px;
      text-align:center;
      border-radius:14px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
    }
    .timebox strong{display:block;font-size:18px;line-height:1;font-weight:950}
    .timebox span{font-size:11px;color:#dbeafe}
    .pain-grid{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:22px;
      align-items:stretch;
    }
    .pain-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      padding:28px;
    }
    .pain-card.emphasis{
      color:#fff;
      background:linear-gradient(135deg,#172554,#1d4ed8 62%,#38bdf8);
      border-color:rgba(255,255,255,.1);
      box-shadow:var(--shadow-lg);
    }
    .pain-card h3,.feature-card h3,.plan-card h3,.update-card h3,.security-card h3,.quote-card h3{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.25;
      letter-spacing:-.025em;
      font-weight:950;
    }
    .pain-card p,.feature-card p,.plan-card p,.update-card p,.security-card p,.quote-card p{
      color:var(--muted);
      margin:0;
    }
    .pain-card.emphasis p{color:#dbeafe}
    .check-list{
      display:grid;
      gap:12px;
      margin:22px 0 0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#334155;
      font-weight:750;
    }
    .pain-card.emphasis .check-list li{color:#fff}
    .check-icon{
      width:22px;
      height:22px;
      border-radius:50%;
      flex:0 0 22px;
      display:grid;
      place-items:center;
      background:rgba(37,99,235,.1);
      color:var(--primary);
      font-size:13px;
      font-weight:950;
      margin-top:2px;
    }
    .pain-card.emphasis .check-icon{
      color:#fff;
      background:rgba(255,255,255,.16);
    }
    .feature-layout{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .feature-card{
      min-height:245px;
      padding:26px;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .feature-card:nth-child(2){transform:translateY(22px)}
    .feature-card:hover{
      transform:translateY(-5px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-md);
    }
    .feature-card:nth-child(2):hover{transform:translateY(16px)}
    .feature-icon{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:var(--primary-soft);
      margin-bottom:18px;
      font-size:24px;
      font-weight:950;
    }
    .feature-tags{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:20px;
    }
    .tag{
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      color:#475569;
      background:#f1f7ff;
      border:1px solid var(--border);
    }
    .plans{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      align-items:stretch;
    }
    .plan-card{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:26px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      display:flex;
      flex-direction:column;
      position:relative;
      overflow:hidden;
      transition:.2s ease;
    }
    .plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
    .plan-card.featured{
      border-color:rgba(37,99,235,.35);
      box-shadow:0 24px 64px rgba(37,99,235,.16);
    }
    .plan-card.featured::before{
      content:"推荐参与";
      position:absolute;
      top:18px;
      right:-36px;
      transform:rotate(35deg);
      background:var(--primary);
      color:#fff;
      font-weight:950;
      font-size:12px;
      padding:6px 42px;
    }
    .price{
      margin:18px 0;
      display:flex;
      align-items:flex-end;
      gap:8px;
      color:var(--success);
    }
    .price strong{font-size:44px;line-height:1;letter-spacing:-.05em}
    .price span{font-weight:850;color:var(--muted);padding-bottom:7px}
    .plan-list{
      display:grid;
      gap:11px;
      padding:0;
      margin:4px 0 24px;
      list-style:none;
      flex:1;
    }
    .plan-list li{
      display:flex;
      gap:9px;
      color:#475569;
      font-weight:720;
      font-size:14px;
    }
    .plan-list li::before{
      content:"✓";
      color:var(--primary);
      font-weight:950;
    }
    .timeline{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:22px;
      align-items:start;
    }
    .update-card{
      border:1px solid var(--border);
      background:#fff;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      padding:28px;
    }
    .change-list{
      display:grid;
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .change-item{
      display:grid;
      grid-template-columns:96px 1fr;
      gap:16px;
      padding:18px;
      border:1px solid var(--border);
      border-radius:20px;
      background:linear-gradient(180deg,#fff,#f8fbff);
    }
    .version{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:34px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:950;
      font-size:13px;
    }
    .change-item h3{margin:2px 0 6px;font-size:18px;font-weight:950}
    .change-item p{margin:0;color:var(--muted);font-size:14px}
    .security-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .security-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      padding:28px;
    }
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:22px;
    }
    .metric-box{
      padding:18px;
      border-radius:20px;
      background:var(--surface-2);
      border:1px solid var(--border);
    }
    .metric-box strong{
      display:block;
      font-size:30px;
      line-height:1;
      color:var(--primary-dark);
      font-weight:950;
      letter-spacing:-.04em;
      margin-bottom:8px;
    }
    .metric-box span{font-size:13px;color:var(--muted);font-weight:800}
    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:22px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:22px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      color:var(--text);
      font-weight:950;
      text-align:left;
    }
    .faq-q span:last-child{
      width:28px;
      height:28px;
      border-radius:50%;
      background:var(--primary-soft);
      color:var(--primary);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      transition:.2s ease;
    }
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s ease;
    }
    .faq-a p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
    }
    .faq-item.open .faq-a{max-height:220px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--primary);color:#fff}
    .quote-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .quote-card{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-sm);
      padding:28px;
      position:relative;
    }
    .quote-card::before{
      content:"“";
      position:absolute;
      top:10px;
      right:24px;
      font-size:72px;
      line-height:1;
      color:rgba(37,99,235,.12);
      font-weight:950;
    }
    .person{
      display:flex;
      align-items:center;
      gap:12px;
      margin-top:20px;
      padding-top:18px;
      border-top:1px solid var(--border);
    }
    .avatar{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;
      font-weight:950;
    }
    .person strong{display:block;font-weight:950}
    .person span{color:var(--muted);font-size:13px}
    .news-layout{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      align-items:start;
    }
    .news-list,.recommend-box{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:118px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px 20px;
      border-bottom:1px solid var(--border);
      transition:.18s ease;
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#f8fbff}
    .news-date{
      color:var(--primary);
      font-weight:950;
      font-size:13px;
    }
    .news-item a{
      font-weight:950;
      color:#0f172a;
      transition:.18s ease;
    }
    .news-item a:hover{color:var(--primary)}
    .news-item p{
      margin:4px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .arrow{
      color:var(--weak);
      font-size:22px;
      transition:.18s ease;
    }
    .news-item:hover .arrow{color:var(--primary);transform:translateX(3px)}
    .recommend-box{padding:24px}
    .recommend-card{
      padding:18px;
      border-radius:20px;
      border:1px solid var(--border);
      background:linear-gradient(180deg,#f8fbff,#fff);
      margin-top:14px;
    }
    .recommend-card h3{
      margin:0 0 8px;
      font-size:18px;
      font-weight:950;
    }
    .recommend-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .cta-section{
      padding:76px 0 96px;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,#172554,#1d4ed8 62%,#38bdf8);
      color:#fff;
      box-shadow:var(--shadow-lg);
      padding:42px;
      display:grid;
      grid-template-columns:1fr .78fr;
      gap:28px;
      align-items:center;
    }
    .cta-card::before{
      content:"";
      position:absolute;
      inset:-120px -80px auto auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .cta-card h2{
      position:relative;
      margin:0;
      font-size:clamp(30px,4vw,52px);
      line-height:1.08;
      letter-spacing:-.05em;
      font-weight:950;
    }
    .cta-card p{
      position:relative;
      max-width:660px;
      margin:16px 0 0;
      color:#dbeafe;
      font-size:17px;
    }
    .cta-actions{
      position:relative;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .cta-form{
      position:relative;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.12);
      border-radius:28px;
      padding:22px;
      backdrop-filter:blur(14px);
    }
    .form-row{
      display:grid;
      gap:12px;
    }
    .input{
      width:100%;
      min-height:48px;
      padding:12px 15px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.92);
      color:var(--text);
      outline:none;
    }
    .input::placeholder{color:#94a3b8}
    .form-note{
      margin-top:12px;
      color:#dbeafe;
      font-size:13px;
    }
    .site-footer{
      background:#0b1736;
      color:#cbd5e1;
      padding:56px 0 28px;
      margin-top:0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .7fr .7fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:40px;height:40px}
    .footer-desc{
      max-width:520px;
      color:#94a3b8;
      margin:0;
    }
    .footer-title{
      color:#fff;
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#94a3b8;
      transition:.18s ease;
    }
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      border-top:1px solid rgba(148,163,184,.18);
      margin-top:36px;
      padding-top:22px;
      color:#94a3b8;
      font-size:13px;
    }
    .floating-cta{
      position:fixed;
      left:50%;
      bottom:16px;
      transform:translateX(-50%);
      z-index:70;
      width:min(980px, calc(100% - 28px));
      border:1px solid rgba(189,212,238,.9);
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      box-shadow:0 24px 72px rgba(15,23,42,.18);
      border-radius:999px;
      padding:10px 12px 10px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .float-copy{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      color:#334155;
      font-weight:850;
    }
    .float-copy strong{color:var(--primary-dark)}
    .float-copy span{
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .float-pulse{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 7px rgba(22,163,74,.12);
      flex:0 0 auto;
    }
    @media (max-width:1024px){
      .hero-grid,.pain-grid,.timeline,.security-grid,.faq-wrap,.news-layout,.cta-card{grid-template-columns:1fr}
      .hero-stage{min-height:auto}
      .progress-panel{grid-template-columns:170px 1fr}
      .feature-layout,.plans{grid-template-columns:1fr 1fr}
      .feature-card:nth-child(2),.feature-card:nth-child(2):hover{transform:none}
      .section{padding:72px 0}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--header-h:66px}
      body{padding-bottom:92px}
      .container{width:min(100% - 28px, var(--container))}
      .nav-center,.status-chip,.toolbar-actions .btn-primary{display:none}
      .menu-btn{display:grid}
      .brand-text{font-size:16px}
      .hero{padding:28px 0 54px}
      .hero-stage{border-radius:28px;padding:22px}
      .hero-grid{gap:18px}
      .hero-data,.feature-layout,.plans,.metric-row,.quote-grid{grid-template-columns:1fr}
      .progress-panel{grid-template-columns:1fr;text-align:center}
      .progress-ring{margin:auto}
      .countdown-panel{align-items:flex-start;flex-direction:column}
      .countdown-boxes{justify-content:flex-start}
      .section-head{display:block}
      .news-item{grid-template-columns:1fr;gap:8px}
      .arrow{display:none}
      .change-item{grid-template-columns:1fr}
      .cta-card{padding:28px;border-radius:28px}
      .footer-grid{grid-template-columns:1fr}
      .floating-cta{
        border-radius:24px;
        align-items:stretch;
        flex-direction:column;
        padding:12px;
      }
      .float-copy{font-size:14px;width:100%}
      .floating-cta .btn{width:100%}
    }
    @media (max-width:520px){
      h1{font-size:42px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .mini-stat{padding:14px}
      .section{padding:58px 0}
      .pain-card,.feature-card,.plan-card,.update-card,.security-card,.quote-card,.recommend-box{padding:22px}
      .timebox{min-width:48px}
      .price strong{font-size:38px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }