:root{
      --bg0:#fbfaf7;
      --bg1:#ffffff;
      --text:#1f2328;
      --muted:#5b6674;
      --line:#e8e2d8;
      --card:#ffffff;
      --accent:#3b82f6;
      --accent2:#10b981;
      --shadow: 0 10px 30px rgba(17,24,39,.08);
      --shadow2: 0 6px 18px rgba(17,24,39,.08);
      --radius:16px;
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Noto Sans SC","Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 20% -10%, rgba(59,130,246,.14), rgba(59,130,246,0) 55%),
        radial-gradient(760px 380px at 90% 0%, rgba(16,185,129,.10), rgba(16,185,129,0) 60%),
        linear-gradient(180deg, #fbfaf7 0%, #ffffff 42%, #fbfaf7 100%);
      min-height:100vh;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:1040px;
      padding:0 18px;
      margin:0 auto;
    }
    header{
      position:sticky;
      top:0;
      z-index:10;
      backdrop-filter: blur(8px);
      background: rgba(251,250,247,.72);
      border-bottom:1px solid rgba(232,226,216,.9);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:180px;
    }
    .logo{
      width:36px;height:36px;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(59,130,246,.22), rgba(16,185,129,.18));
      border:1px solid rgba(59,130,246,.22);
      display:grid;
      place-items:center;
      box-shadow: 0 8px 18px rgba(59,130,246,.10);
      flex:0 0 auto;
    }
    .logo svg{display:block}
    .brand b{
      font-size:14px;
      line-height:1.2;
      letter-spacing:.2px;
    }
    .brand span{
      display:block;
      font-size:12px;
      color:var(--muted);
      margin-top:2px;
    }
    nav{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      flex-wrap:wrap;
    }
    .nav-links{
      display:none;
      gap:10px;
      align-items:center;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:var(--muted);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: border-color .15s ease, background-color .15s ease, color .15s ease;
    }
    .nav-links a:hover{
      border-color: rgba(59,130,246,.22);
      background: rgba(59,130,246,.06);
      color:#2a313a;
    }
    .nav-cta{
      display:flex;
      gap:10px;
      align-items:center;
    }
    .btn{
      appearance:none;
      border:none;
      cursor:pointer;
      border-radius:14px;
      padding:10px 14px;
      font-weight:600;
      font-size:13px;
      letter-spacing:.2px;
      transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease, border-color .12s ease;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-decoration:none;
      white-space:nowrap;
      user-select:none;
    }
    .btn:active{transform: translateY(1px)}
    .btn-primary{
      color:#0b1b2a;
      background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.85));
      border:1px solid rgba(59,130,246,.28);
      box-shadow: 0 10px 22px rgba(59,130,246,.10);
    }
    .btn-primary:hover{
      box-shadow: 0 14px 26px rgba(59,130,246,.14);
      border-color: rgba(59,130,246,.40);
    }
    .btn-link{
      background: transparent;
      border:1px solid rgba(232,226,216,.95);
      color:var(--muted);
      padding:10px 12px;
    }
    .btn-link:hover{
      border-color: rgba(59,130,246,.22);
      background: rgba(59,130,246,.05);
      color:#2a313a;
    }

    .hero{
      padding:18px 0 8px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:14px;
      align-items:stretch;
    }
    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.82));
      border:1px solid rgba(232,226,216,.95);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding:18px;
      overflow:hidden;
      position:relative;
      transform: translateY(0);
      animation: riseIn .55s ease both;
    }
    @keyframes riseIn{
      from{opacity:0; transform: translateY(10px)}
      to{opacity:1; transform: translateY(0)}
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(560px 220px at 15% 0%, rgba(59,130,246,.16), rgba(59,130,246,0) 60%),
        radial-gradient(520px 220px at 85% 10%, rgba(16,185,129,.12), rgba(16,185,129,0) 62%);
      pointer-events:none;
      opacity:.9;
    }
    .hero-inner{
      position:relative;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    h1{
      margin:0;
      font-size:26px;
      line-height:1.2;
      letter-spacing:-.2px;
    }
    .sub{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      max-width:56ch;
    }
    .hero-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .chips{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:6px;
    }
    .chip{
      font-size:12px;
      color:#2a313a;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(232,226,216,.95);
      background: rgba(255,255,255,.75);
    }
    .chip b{
      font-weight:700;
      color:#2a313a;
    }

    .mini-cards{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .info-card{
      background: rgba(255,255,255,.86);
      border:1px solid rgba(232,226,216,.95);
      border-radius: var(--radius);
      padding:14px;
      box-shadow: var(--shadow2);
      animation: riseIn2 .6s ease both;
    }
    @keyframes riseIn2{
      from{opacity:0; transform: translateY(8px)}
      to{opacity:1; transform: translateY(0)}
    }
    .info-title{
      display:flex;
      gap:10px;
      align-items:flex-start;
      margin-bottom:8px;
    }
    .badge{
      width:34px; height:34px;
      border-radius:12px;
      background: rgba(59,130,246,.08);
      border:1px solid rgba(59,130,246,.20);
      display:grid;
      place-items:center;
      flex:0 0 auto;
    }
    .info-card h2{
      margin:0;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .info-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    ul.clean{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .clean li{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .tick{
      width:18px;height:18px;
      border-radius:6px;
      background: rgba(16,185,129,.10);
      border:1px solid rgba(16,185,129,.22);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .clean li span{
      font-size:13px;
      color:#3a4653;
      line-height:1.55;
    }

    section{
      padding:10px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:12px;
      margin:10px 0 12px;
    }
    .section-head h2{
      margin:0;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      max-width:52ch;
    }

    .grid2{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .panel{
      border:1px solid rgba(232,226,216,.95);
      background: rgba(255,255,255,.9);
      border-radius: var(--radius);
      padding:14px;
      box-shadow: var(--shadow2);
    }
    .panel h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.15px;
    }
    .panel p{
      margin:0 0 10px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .table-like{
      border-top:1px solid rgba(232,226,216,.95);
      padding-top:10px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .row{
      display:flex;
      gap:10px;
      align-items:flex-start;
      justify-content:space-between;
    }
    .row b{
      font-size:13px;
      color:#2a313a;
      font-weight:700;
      flex:0 0 auto;
      width:44%;
    }
    .row span{
      font-size:13px;
      color:var(--muted);
      line-height:1.55;
    }

    .steps{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      margin-top:8px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:14px;
      border:1px solid rgba(232,226,216,.95);
      background: rgba(255,255,255,.78);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .step:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 26px rgba(17,24,39,.08);
      border-color: rgba(59,130,246,.22);
    }
    .num{
      width:34px;height:34px;
      border-radius:12px;
      background: rgba(59,130,246,.08);
      border:1px solid rgba(59,130,246,.22);
      display:grid;
      place-items:center;
      color:#2457a6;
      font-weight:800;
      flex:0 0 auto;
      margin-top:1px;
    }
    .step b{
      display:block;
      font-size:13px;
      color:#2a313a;
      margin-bottom:4px;
    }
    .step span{
      display:block;
      font-size:13px;
      color:var(--muted);
      line-height:1.6;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    details{
      border:1px solid rgba(232,226,216,.95);
      background: rgba(255,255,255,.9);
      border-radius: var(--radius);
      padding:12px 12px;
      box-shadow: var(--shadow2);
      transition: border-color .15s ease;
      overflow:hidden;
    }
    details[open]{border-color: rgba(59,130,246,.25)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      font-size:14px;
      font-weight:800;
      letter-spacing:-.1px;
      color:#2a313a;
      margin-top:2px;
      line-height:1.35;
    }
    .chev{
      width:30px;height:30px;
      border-radius:12px;
      border:1px solid rgba(232,226,216,.95);
      display:grid;
      place-items:center;
      background: rgba(255,255,255,.75);
      flex:0 0 auto;
      transition: transform .18s ease, border-color .15s ease;
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(59,130,246,.25)}
    .a{
      margin-top:10px;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      padding-right:6px;
    }
    .a b{color:#2a313a}

    .form-card{
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(232,226,216,.95);
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.84));
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .form-card::after{
      content:"";
      position:absolute;
      right:-120px;
      top:-120px;
      width:240px;
      height:240px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(59,130,246,.18), rgba(59,130,246,0) 62%);
      pointer-events:none;
    }
    .form-inner{
      position:relative;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .form-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .form-top h2{
      margin:0;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .form-top p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      max-width:58ch;
    }
    form{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      margin-top:6px;
    }
    label{
      display:flex;
      flex-direction:column;
      gap:6px;
      font-size:13px;
      color:#2a313a;
      font-weight:700;
    }
    .field{
      border-radius:14px;
      border:1px solid rgba(232,226,216,.95);
      background: rgba(255,255,255,.92);
      padding:12px 12px;
      font-size:14px;
      outline:none;
      transition: border-color .15s ease, box-shadow .15s ease, transform .12s ease;
      color:#18202a;
    }
    .field:focus{
      border-color: rgba(59,130,246,.35);
      box-shadow: 0 0 0 4px rgba(59,130,246,.12);
    }
    .row2{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .form-actions{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
      margin-top:2px;
    }
    .btn-submit{
      flex:1 1 220px;
      padding:12px 14px;
      border-radius:16px;
      background: linear-gradient(135deg, rgba(59,130,246,.95), rgba(59,130,246,.72));
      color:#fff;
      border:1px solid rgba(59,130,246,.35);
      box-shadow: 0 14px 26px rgba(59,130,246,.18);
      font-size:14px;
      font-weight:900;
    }
    .btn-submit:hover{box-shadow: 0 18px 34px rgba(59,130,246,.22)}
    .btn-ghost{
      padding:12px 14px;
      border-radius:16px;
      background: rgba(255,255,255,.88);
      border:1px solid rgba(232,226,216,.95);
      color:#2a313a;
      font-size:14px;
      font-weight:800;
      box-shadow: 0 10px 20px rgba(17,24,39,.06);
      flex:0 0 auto;
    }
    .small-note{
      font-size:12px;
      color:var(--muted);
      line-height:1.65;
      margin:0;
      max-width:75ch;
    }

    footer{
      margin-top:6px;
      background: #0f172a;
      color:#e5e7eb;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-wrap{
      padding:18px 0 14px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
      align-items:start;
    }
    .foot-title{
      margin:0;
      font-size:14px;
      letter-spacing:-.1px;
      font-weight:900;
    }
    .foot-text{
      margin:6px 0 0;
      color:#cbd5e1;
      font-size:13px;
      line-height:1.7;
      max-width:70ch;
    }
    .foot-links{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:10px;
    }
    .pill{
      color:#dbeafe;
      background: rgba(59,130,246,.12);
      border:1px solid rgba(59,130,246,.25);
      padding:8px 10px;
      border-radius:999px;
      text-decoration:none;
      font-size:12px;
      transition: transform .12s ease, background-color .12s ease, border-color .12s ease;
      user-select:none;
    }
    .pill:hover{
      transform: translateY(-1px);
      background: rgba(59,130,246,.16);
      border-color: rgba(59,130,246,.32);
    }
    .copyright{
      border-top:1px solid rgba(255,255,255,.08);
      padding-top:12px;
      margin-top:14px;
      font-size:12px;
      color:#a7b0c0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }
    .toplink{
      color:#93c5fd;
      text-decoration:none;
      font-weight:800;
    }
    .toplink:hover{text-decoration:underline}

    .sr-only{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;clip:rect(0,0,0,0);
      white-space:nowrap;border:0;
    }

    @media (min-width: 860px){
      .nav-links{display:flex}
      .hero{padding:24px 0 10px}
      .hero-grid{
        grid-template-columns: 1.25fr .75fr;
        gap:16px;
      }
      .mini-cards{grid-template-columns: 1fr; gap:12px}
      .hero-card{padding:22px}
      h1{font-size:30px}
      .grid2{
        grid-template-columns: 1fr 1fr;
        gap:14px;
      }
      .steps{grid-template-columns: 1fr}
      .faq{grid-template-columns: 1fr 1fr}
      .form-card{padding:18px}
      form{grid-template-columns: 1fr}
      .row2{grid-template-columns: 1fr 1fr}
      .footer-grid{grid-template-columns: 1.25fr .75fr}
    }

    @media (prefers-reduced-motion: reduce){
      *{animation:none!important; transition:none!important; scroll-behavior:auto!important}
    }