:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --text:#111827;
      --muted:#5b6577;
      --subtle:#7b879a;
      --line:rgba(15,23,42,.10);
      --shadow:0 18px 50px rgba(17,24,39,.08);
      --shadow2:0 10px 30px rgba(17,24,39,.10);
      --brand:#1f4b57; /* 盐系冷调深色 */
      --brand2:#2b6b7b;
      --accent:#2a6f8a;
      --accent2:#0f2f3a;
      --chip:#eef6f7;
      --btn:#0f2f3a;
      --btnText:#ecfeff;
      --focus:rgba(42,111,138,.22);
      --radius:18px;
      --radius2:14px;
      --max:1080px;
      --pad:18px;
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      background:
        radial-gradient(1200px 600px at 12% 0%, rgba(43,107,123,.12), transparent 55%),
        radial-gradient(900px 460px at 88% 8%, rgba(31,75,87,.10), transparent 60%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 35%, #f7f9ff 100%);
      color:var(--text);
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height:1.45;
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--max);
      margin:0 auto;
      padding:0 var(--pad);
    }

    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(246,247,251,.74);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(15,23,42,.08);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:140px;
    }
    .logo{
      width:42px;
      height:42px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg, rgba(15,47,58,.98), rgba(43,107,123,.92));
      color:var(--btnText);
      box-shadow:0 14px 28px rgba(15,47,58,.18);
      font-weight:800;
      letter-spacing:.5px;
      user-select:none;
    }
    .brand-meta{
      display:flex;
      flex-direction:column;
      gap:2px;
    }
    .brand-meta strong{
      font-size:14px;
      color:var(--accent2);
      letter-spacing:.2px;
    }
    .brand-meta span{
      font-size:12px;
      color:var(--muted);
    }

    .nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav a{
      text-decoration:none;
      color:var(--muted);
      font-size:13px;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
      white-space:nowrap;
    }
    .nav a:hover{
      background:rgba(255,255,255,.75);
      border-color:rgba(15,23,42,.10);
      color:var(--text);
      transform: translateY(-1px);
    }
    .nav .cta{
      background:linear-gradient(135deg, rgba(15,47,58,.98), rgba(43,107,123,.92));
      color:var(--btnText);
      border-color:rgba(255,255,255,.08);
      box-shadow:0 14px 28px rgba(15,47,58,.16);
    }
    .nav .cta:hover{
      transform: translateY(-2px);
      border-color:rgba(255,255,255,.18);
      background:linear-gradient(135deg, rgba(15,47,58,1), rgba(43,107,123,1));
      color: #eaffff;
    }

    .mobile-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 22px rgba(17,24,39,.06);
      cursor:pointer;
      align-items:center;
      justify-content:center;
      transition:transform .18s ease, background .18s ease;
    }
    .mobile-toggle:active{transform:scale(.98)}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background:rgba(17,24,39,.78);
      transition:transform .22s ease, top .22s ease, opacity .22s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .mobile-open .burger span:nth-child(1){top:5px; transform:rotate(45deg)}
    .mobile-open .burger span:nth-child(2){opacity:0}
    .mobile-open .burger span:nth-child(3){top:5px; transform:rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding:0 0 14px;
    }
    .mobile-panel .panel{
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.78);
      border-radius:16px;
      padding:10px;
      box-shadow:0 14px 36px rgba(17,24,39,.08);
    }
    .mobile-panel .panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      text-decoration:none;
      padding:12px 12px;
      border-radius:14px;
      color:var(--muted);
      border:1px solid transparent;
      transition: background .18s ease, border-color .18s ease, transform .18s ease, color .18s ease;
      font-size:14px;
    }
    .mobile-panel .panel a:hover{
      background:rgba(246,247,251,.9);
      border-color:rgba(15,23,42,.10);
      color:var(--text);
      transform: translateY(-1px);
    }
    .mobile-panel .panel a + a{margin-top:6px}
    .mobile-panel .panel .cta{
      background:linear-gradient(135deg, rgba(15,47,58,.98), rgba(43,107,123,.92));
      color:var(--btnText);
      border-color:rgba(255,255,255,.08);
    }
    .mobile-panel .panel .cta:hover{
      background:linear-gradient(135deg, rgba(15,47,58,1), rgba(43,107,123,1));
      color:#eaffff;
      border-color:rgba(255,255,255,.18);
    }

    header.hero{
      padding:24px 0 10px;
    }
    .hero-shell{
      border-radius: calc(var(--radius) + 4px);
      border:1px solid rgba(15,23,42,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62)),
        radial-gradient(900px 360px at 18% 10%, rgba(43,107,123,.22), transparent 60%),
        radial-gradient(700px 320px at 85% 25%, rgba(31,75,87,.18), transparent 62%);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      padding:22px;
      align-items:start;
    }
    .hero-kicker{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:12px;
    }
    .dot{
      width:10px;height:10px;border-radius:999px;
      background:linear-gradient(135deg, rgba(15,47,58,1), rgba(43,107,123,1));
      box-shadow:0 10px 18px rgba(15,47,58,.18);
    }
    h1{
      margin:0;
      font-size:30px;
      letter-spacing:-.6px;
      line-height:1.16;
      color: #0d2b36;
    }
    .lead{
      margin:12px 0 0;
      color:var(--muted);
      font-size:15px;
      max-width:58ch;
    }
    .hero-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:16px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:12px 14px;
      border-radius:14px;
      text-decoration:none;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.72);
      color:var(--text);
      box-shadow:0 10px 22px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      font-size:14px;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-2px);
      box-shadow:0 14px 28px rgba(17,24,39,.10);
      border-color:rgba(15,23,42,.14);
      background:rgba(255,255,255,.86);
    }
    .btn.primary{
      background:linear-gradient(135deg, rgba(15,47,58,.98), rgba(43,107,123,.92));
      color:var(--btnText);
      border-color:rgba(255,255,255,.08);
      box-shadow:0 18px 34px rgba(15,47,58,.16);
    }
    .btn.primary:hover{
      background:linear-gradient(135deg, rgba(15,47,58,1), rgba(43,107,123,1));
      border-color:rgba(255,255,255,.18);
      color:#eaffff;
    }
    .btn .arrow{
      width:26px;height:26px;border-radius:10px;
      display:flex;align-items:center;justify-content:center;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.14);
    }
    .btn:not(.primary) .arrow{
      background:rgba(15,47,58,.08);
      border:1px solid rgba(15,47,58,.10);
    }

    .hero-right{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.68);
      box-shadow:0 16px 40px rgba(17,24,39,.06);
      padding:16px;
    }
    .mini-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .mini-title strong{
      font-size:14px;
      color:var(--accent2);
      letter-spacing:.2px;
    }
    .tag{
      font-size:12px;
      color:var(--brand);
      background:var(--chip);
      border:1px solid rgba(31,75,87,.12);
      padding:6px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .quick-list{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .quick-item{
      display:flex;
      gap:10px;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.62));
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
    }
    .quick-item:hover{
      transform: translateY(-2px);
      border-color:rgba(15,23,42,.14);
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.68));
    }
    .icon{
      width:34px;height:34px;border-radius:12px;
      display:flex;align-items:center;justify-content:center;
      background:rgba(15,47,58,.07);
      border:1px solid rgba(15,47,58,.10);
      color:rgba(15,47,58,.95);
      flex:0 0 auto;
    }
    .qtxt{
      display:flex;flex-direction:column;gap:3px;
      min-width:0;
    }
    .qtxt span:first-child{
      font-weight:700;
      font-size:13px;
      color:var(--text);
    }
    .qtxt span:last-child{
      font-size:12px;
      color:var(--muted);
    }

    main{
      padding:10px 0 18px;
    }
    .section{
      margin-top:14px;
    }
    .section-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:14px;
    }

    .card{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 14px 36px rgba(17,24,39,.05);
      overflow:hidden;
    }
    .card-inner{padding:18px}
    .section-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .section-title h2{
      margin:0;
      font-size:18px;
      letter-spacing:-.2px;
      color: #0d2b36;
    }
    .section-title p{
      margin:0;
      font-size:13px;
      color:var(--muted);
      white-space:nowrap;
    }

    .toc{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:10px;
    }
    .toc a{
      text-decoration:none;
      border-radius:16px;
      padding:12px 12px;
      border:1px solid rgba(15,23,42,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      min-height:58px;
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .toc a:hover{
      transform: translateY(-2px);
      border-color:rgba(15,23,42,.14);
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.70));
    }
    .toc a strong{font-size:13px;color:var(--text)}
    .toc a span{font-size:12px;color:var(--muted)}

    .steps{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .step-list{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .step{
      padding:14px 14px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(255,255,255,.70);
      transition: transform .18s ease, border-color .18s ease;
    }
    .step:hover{transform: translateY(-2px); border-color:rgba(15,23,42,.14)}
    .step-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:8px;
    }
    .step-no{
      display:flex;align-items:center;gap:10px;
      font-weight:800;
      color:var(--accent2);
      letter-spacing:-.2px;
    }
    .step-no i{
      width:28px;height:28px;border-radius:12px;
      display:flex;align-items:center;justify-content:center;
      background:rgba(15,47,58,.08);
      border:1px solid rgba(15,47,58,.10);
      font-style:normal;
      font-weight:900;
      font-size:13px;
    }
    .pill{
      font-size:12px;
      color:var(--brand);
      background:var(--chip);
      border:1px solid rgba(31,75,87,.12);
      padding:6px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .side-panel{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(700px 260px at 20% 0%, rgba(43,107,123,.18), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      padding:16px;
      box-shadow:0 16px 40px rgba(17,24,39,.06);
    }
    .side-panel h3{
      margin:0 0 10px;
      font-size:16px;
      color:#0d2b36;
      letter-spacing:-.2px;
    }
    .side-panel .note{
      margin:0 0 12px;
      color:var(--muted);
      font-size:13px;
    }
    .checklist{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .checklist li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(255,255,255,.66);
    }
    .tick{
      width:20px;height:20px;border-radius:8px;
      display:flex;align-items:center;justify-content:center;
      background:rgba(15,47,58,.10);
      border:1px solid rgba(15,47,58,.12);
      color:rgba(15,47,58,.95);
      flex:0 0 auto;
      margin-top:1px;
      font-size:12px;
      font-weight:900;
    }
    .checklist .txt{
      display:flex;flex-direction:column;gap:2px;
      min-width:0;
    }
    .checklist .txt strong{font-size:13px;color:var(--text)}
    .checklist .txt span{font-size:12px;color:var(--muted)}

    .svc-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .svc{
      padding:16px 14px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.72);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      box-shadow:0 12px 26px rgba(17,24,39,.04);
      position:relative;
      overflow:hidden;
    }
    .svc:before{
      content:"";
      position:absolute;
      inset:-60px -40px auto auto;
      width:140px;height:140px;
      background:radial-gradient(circle at 30% 30%, rgba(43,107,123,.18), transparent 60%);
      transform: rotate(12deg);
      pointer-events:none;
    }
    .svc:hover{
      transform: translateY(-3px);
      border-color:rgba(15,23,42,.14);
      box-shadow:0 18px 44px rgba(17,24,39,.08);
    }
    .svc h3{
      margin:10px 0 6px;
      font-size:15px;
      color:#0d2b36;
      letter-spacing:-.2px;
    }
    .svc p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .svc .row{
      display:flex;align-items:center;justify-content:space-between;gap:10px;
    }
    .svc .badge{
      font-size:12px;
      color:var(--brand);
      background:var(--chip);
      border:1px solid rgba(31,75,87,.12);
      padding:6px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .svc .glyph{
      width:38px;height:38px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(15,47,58,.10);
      background:rgba(15,47,58,.07);
      color:rgba(15,47,58,.95);
      font-weight:900;
      letter-spacing:-.5px;
      flex:0 0 auto;
    }

    .security{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .policy{
      padding:16px 16px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 12px 26px rgba(17,24,39,.04);
      position:relative;
      overflow:hidden;
    }
    .policy:after{
      content:"";
      position:absolute;
      inset:auto -40px -60px auto;
      width:170px;height:170px;
      background:radial-gradient(circle at 30% 30%, rgba(31,75,87,.16), transparent 60%);
      pointer-events:none;
    }
    .policy h3{
      margin:0 0 8px;
      font-size:15px;color:#0d2b36;letter-spacing:-.2px;
    }
    .policy p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      max-width:62ch;
      position:relative;
      z-index:1;
    }
    .policy .mini-grid{
      margin-top:12px;
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .mini-item{
      display:flex;align-items:flex-start;gap:10px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(255,255,255,.68);
    }
    .mini-item b{
      min-width:86px;
      color:#0d2b36;
      font-size:13px;
    }
    .mini-item span{
      color:var(--muted);
      font-size:13px;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    details.faq-item{
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 12px 26px rgba(17,24,39,.04);
      overflow:hidden;
      transition: border-color .18s ease, transform .18s ease;
    }
    details.faq-item[open]{
      border-color:rgba(15,23,42,.16);
      transform: translateY(-2px);
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:14px 16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      font-weight:800;
      color:#0d2b36;
      font-size:14px;
      letter-spacing:-.1px;
    }
    .chev{
      width:34px;height:34px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(15,47,58,.06);
      color:rgba(15,47,58,.95);
      transition: transform .2s ease;
      flex:0 0 auto;
    }
    details[open] .chev{transform: rotate(180deg)}
    .ans{
      padding:0 16px 14px;
      color:var(--muted);
      font-size:13px;
    }
    .ans p{margin:10px 0 0}
    .ans ul{margin:10px 0 0; padding-left:18px}
    .ans li{margin:6px 0}

    .inner-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:12px;
    }
    .link-chip{
      text-decoration:none;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      color:var(--muted);
      font-size:13px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
      user-select:none;
    }
    .link-chip:hover{
      transform: translateY(-2px);
      border-color:rgba(15,23,42,.16);
      background:rgba(255,255,255,.92);
      color:var(--text);
    }

    .contact{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .contact .block{
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 12px 26px rgba(17,24,39,.04);
    }
    .contact h3{
      margin:0 0 10px;
      font-size:15px;color:#0d2b36;letter-spacing:-.2px;
    }
    .kv{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .kv .item{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(255,255,255,.68);
    }
    .kv .k{
      font-size:12px;color:var(--subtle);margin-bottom:6px;
    }
    .kv .v{
      font-size:13px;color:var(--text);
    }
    .maplink{
      display:inline-flex;
      align-items:center;
      gap:10px;
      margin-top:10px;
      text-decoration:none;
      border-radius:14px;
      padding:10px 12px;
      border:1px solid rgba(0,102,204,.18);
      background:rgba(0,102,204,.06);
      color:#0b3d5a;
      font-size:13px;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .maplink:hover{
      transform: translateY(-2px);
      background:rgba(0,102,204,.10);
      border-color:rgba(0,102,204,.28);
    }

    footer{
      padding:12px 0 28px;
    }
    .foot{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background:linear-gradient(180deg, rgba(15,47,58,.96), rgba(13,39,48,.98));
      color:#e6f6fb;
      box-shadow:0 18px 50px rgba(15,47,58,.18);
      overflow:hidden;
    }
    .foot-inner{
      padding:18px;
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .foot h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .foot p{
      margin:0;
      color:rgba(230,246,251,.84);
      font-size:13px;
    }
    .foot .foot-actions{
      display:flex;flex-direction:column;gap:10px;
      align-items:flex-end;
    }
    .foot a.btn{
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.16);
      color:#eaffff;
      box-shadow:none;
    }
    .foot a.btn:hover{
      background:rgba(255,255,255,.16);
      border-color:rgba(255,255,255,.22);
      box-shadow:none;
    }
    .copyright{
      padding:12px 18px 16px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:rgba(230,246,251,.78);
      font-size:12px;
    }

    .float-quick{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .fab{
      width:52px;height:52px;border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.80);
      box-shadow:0 18px 44px rgba(17,24,39,.12);
      display:flex;align-items:center;justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, background .18s ease, border-color .18s ease, opacity .18s ease;
    }
    .fab:hover{
      transform: translateY(-3px);
      background:rgba(255,255,255,.96);
      border-color:rgba(15,23,42,.16);
    }
    .fab span{
      font-weight:900;
      color:rgba(15,47,58,.95);
    }
    .fab.top{display:none}

    .fade-in{
      opacity:0;
      transform: translateY(10px);
      animation: fadeUp .6s ease forwards;
    }
    @keyframes fadeUp{
      to{opacity:1; transform: translateY(0)}
    }
    @media (prefers-reduced-motion: reduce){
      .fade-in{animation:none; opacity:1; transform:none}
      .btn, .nav a, .svc, .step, .toc a, .quick-item, details[open] {transition:none}
    }

    @media (max-width: 920px){
      .hero-inner{grid-template-columns: 1fr; padding:18px}
      .hero-right{order:2}
      .steps{grid-template-columns:1fr}
      .svc-grid{grid-template-columns: 1fr}
      .security{grid-template-columns:1fr}
      .toc{grid-template-columns:1fr}
      .contact{grid-template-columns:1fr}
      .foot-inner{grid-template-columns: 1fr}
      .foot-actions{align-items:flex-start}
    }
    @media (max-width: 720px){
      .nav{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel{display:block}
      .mobile-panel .panel{display:none}
      .mobile-open .mobile-panel .panel{display:block}
      .mobile-panel{padding:0}
      h1{font-size:24px}
      .float-quick{right:12px; bottom:12px}
      .fab.top{display:flex}
    }

.skip:focus{
      position:fixed;left:14px;top:14px;width:auto;height:auto;
      background:#0f2f3a;color:#eaffff;padding:10px 12px;border-radius:14px;
      z-index:9999; border:1px solid rgba(255,255,255,.18);
      box-shadow:0 18px 44px rgba(15,47,58,.25);
    }