:root{
      --bg:#f6f3ee;
      --card:#ffffff;
      --text:#1f2328;
      --muted:#5a6673;
      --line:rgba(31,35,40,.10);
      --shadow:0 10px 30px rgba(20,26,33,.08);
      --brand:#2f6fed;
      --brand2:#1e4bd8;
      --chip:#eef4ff;
      --chipText:#1f4fd6;
      --ok:#138a5b;
      --warn:#b76a00;
      --radius:18px;
      --radius2:14px;
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,Arial,sans-serif;
      background:
        radial-gradient(1000px 500px at 15% -10%, rgba(47,111,237,.18), transparent 55%),
        radial-gradient(900px 450px at 90% 0%, rgba(30,75,216,.12), transparent 60%),
        linear-gradient(180deg, #fbfaf7 0%, var(--bg) 55%, #f8f6f1 100%);
      color:var(--text);
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:1040px;
      margin:0 auto;
      padding:0 18px;
    }
    header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(246,243,238,.78);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(31,35,40,.06);
    }
    .nav{
      height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width:160px;
    }
    .logo{
      width:34px; height:34px; border-radius:12px;
      background:linear-gradient(135deg, rgba(47,111,237,.18), rgba(47,111,237,.04));
      border:1px solid rgba(47,111,237,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 8px 18px rgba(47,111,237,.10);
    }
    .logo svg{display:block}
    .brand h1{
      font-size:14px;
      margin:0;
      font-weight:800;
      letter-spacing:.2px;
    }
    .brand p{
      margin:0;
      font-size:12px;
      color:var(--muted);
      line-height:1.2;
      max-width:220px;
    }
    nav .links{
      display:flex; align-items:center; gap:18px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    nav .links a{
      font-size:13px;
      color:rgba(31,35,40,.78);
      padding:8px 10px;
      border-radius:999px;
      transition: background .15s ease, color .15s ease, transform .15s ease;
      border:1px solid transparent;
    }
    nav .links a:hover{
      background:rgba(255,255,255,.65);
      border-color:rgba(31,35,40,.08);
      transform: translateY(-1px);
    }
    .cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius:999px;
      padding:10px 14px;
      font-weight:800;
      font-size:13px;
      border:1px solid rgba(31,35,40,.12);
      background:rgba(255,255,255,.65);
      color:rgba(31,35,40,.92);
      box-shadow:0 10px 25px rgba(20,26,33,.06);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform: translateY(-1px); box-shadow:0 16px 34px rgba(20,26,33,.10); border-color:rgba(31,35,40,.16)}
    .btn.primary{
      background:linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
      border-color:rgba(0,0,0,0);
      color:#fff;
      box-shadow:0 18px 44px rgba(30,75,216,.20);
    }
    .btn.primary:hover{box-shadow:0 22px 56px rgba(30,75,216,.25)}
    .btn .dot{
      width:8px; height:8px; border-radius:50%;
      background:rgba(255,255,255,.9);
      box-shadow:0 0 0 5px rgba(255,255,255,.18);
    }

    .hero{
      padding:26px 0 10px;
    }
    .heroGrid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:16px;
      align-items:stretch;
    }
    .heroCard{
      background:rgba(255,255,255,.72);
      border:1px solid rgba(31,35,40,.08);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
      animation: up .45s ease both;
    }
    .heroCard:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(700px 240px at 10% 0%, rgba(47,111,237,.20), transparent 55%),
        radial-gradient(520px 260px at 90% 15%, rgba(30,75,216,.14), transparent 55%);
      pointer-events:none;
    }
    .heroCard > *{position:relative}
    .badgeRow{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom:10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background:var(--chip);
      color:var(--chipText);
      font-weight:800;
      font-size:12px;
      border:1px solid rgba(47,111,237,.18);
    }
    .chip svg{display:block}
    .heroTitle{
      margin:6px 0 10px;
      font-size:34px;
      line-height:1.15;
      letter-spacing:-.6px;
    }
    .heroSub{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width:62ch;
    }
    .heroActions{
      margin-top:14px;
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
    }
    .micro{
      color:rgba(31,35,40,.66);
      font-size:12px;
      line-height:1.5;
      display:flex; align-items:center; gap:10px;
    }
    .micro .sep{
      width:1px; height:12px; background:rgba(31,35,40,.14);
    }

    .sideCard{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(31,35,40,.08);
      border-radius:var(--radius);
      box-shadow:0 10px 30px rgba(20,26,33,.06);
      padding:18px;
      overflow:hidden;
      animation: up2 .50s ease both;
    }
    .sideCard h2{
      margin:0 0 10px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .steps{
      display:flex; flex-direction:column; gap:12px;
      margin-top:10px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.6);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .step:hover{
      transform: translateY(-1px);
      border-color:rgba(47,111,237,.22);
      background:rgba(255,255,255,.75);
    }
    .num{
      width:28px; height:28px; border-radius:10px;
      background:linear-gradient(135deg, rgba(47,111,237,.16), rgba(47,111,237,.05));
      border:1px solid rgba(47,111,237,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; font-size:13px; color:var(--brand2);
      flex:0 0 auto;
    }
    .step b{display:block; font-size:13px; margin-bottom:4px}
    .step span{display:block; color:var(--muted); font-size:12.5px; line-height:1.55}

    main{padding:10px 0 22px}
    .section{
      margin-top:14px;
      padding:18px;
      background:rgba(255,255,255,.62);
      border:1px solid rgba(31,35,40,.08);
      border-radius:var(--radius);
      box-shadow:0 10px 30px rgba(20,26,33,.05);
      animation: fadeIn .55s ease both;
    }
    .section h2{
      margin:0 0 10px;
      font-size:18px;
      letter-spacing:-.3px;
    }
    .section p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }

    .grid2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .box{
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.7);
      border-radius:var(--radius2);
      padding:14px;
    }
    .box h3{
      margin:0 0 8px;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .list{
      margin:0;
      padding-left:18px;
      color:rgba(31,35,40,.78);
      font-size:13.5px;
      line-height:1.85;
    }
    .pillRow{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:10px;
    }
    .pill{
      font-size:12px;
      font-weight:900;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.7);
      color:rgba(31,35,40,.82);
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .pill i{
      width:8px; height:8px; border-radius:50%;
      background:rgba(47,111,237,.85);
      box-shadow:0 0 0 5px rgba(47,111,237,.12);
    }

    .priceWrap{
      display:grid;
      grid-template-columns: .95fr 1.05fr;
      gap:14px;
      align-items:stretch;
    }
    .priceCard{
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.72);
      border-radius:var(--radius2);
      padding:14px;
      position:relative;
      overflow:hidden;
    }
    .priceCard:after{
      content:"";
      position:absolute;
      inset:auto -80px -90px auto;
      width:240px; height:240px;
      background:radial-gradient(circle at 30% 30%, rgba(47,111,237,.22), transparent 55%);
      pointer-events:none;
    }
    .priceCard > *{position:relative}
    .priceCard h3{margin:0 0 8px; font-size:14px}
    .priceBig{
      display:flex; align-items:flex-end; gap:10px; flex-wrap:wrap;
      margin-top:8px;
    }
    .range{
      font-size:34px;
      font-weight:1000;
      letter-spacing:-.8px;
      line-height:1;
    }
    .unit{
      color:var(--muted);
      font-size:12.5px;
      padding-bottom:6px;
    }
    .priceNote{
      margin-top:10px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .compare{
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.72);
      border-radius:var(--radius2);
      padding:14px;
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      font-size:13.5px;
      color:rgba(31,35,40,.84);
      overflow:hidden;
      border-radius:14px;
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.76);
    }
    thead th{
      text-align:left;
      padding:12px 12px;
      background:rgba(47,111,237,.08);
      color:rgba(31,35,40,.92);
      font-size:12.5px;
      letter-spacing:.2px;
      border-bottom:1px solid rgba(31,35,40,.08);
      white-space:nowrap;
    }
    tbody td{
      padding:12px 12px;
      border-bottom:1px solid rgba(31,35,40,.07);
      vertical-align:top;
      line-height:1.45;
    }
    tbody tr:last-child td{border-bottom:none}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.75);
      font-weight:900;
      font-size:12px;
      margin-top:6px;
    }
    .tag svg{display:block}
    .tag.ok{border-color:rgba(19,138,91,.22); background:rgba(19,138,91,.08); color:rgba(12,105,73,.98)}
    .tag.warn{border-color:rgba(183,106,0,.26); background:rgba(183,106,0,.08); color:rgba(131,77,0,.98)}

    .faqGrid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    details{
      border:1px solid rgba(31,35,40,.08);
      border-radius:14px;
      background:rgba(255,255,255,.72);
      padding:12px 12px;
      transition: border-color .15s ease, transform .15s ease;
    }
    details[open]{border-color:rgba(47,111,237,.28)}
    details summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      font-weight:950;
      font-size:13.5px;
      letter-spacing:-.2px;
    }
    details summary::-webkit-details-marker{display:none}
    .caret{
      width:28px; height:28px;
      border-radius:11px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .18s ease;
    }
    details[open] .caret{transform: rotate(180deg)}
    details .content{
      margin-top:10px;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }

    .formCard{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .formAside{
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.74);
      border-radius:var(--radius2);
      padding:14px;
    }
    .formAside h3{margin:0 0 8px; font-size:14px}
    .formAside p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.8}
    .formAside .miniList{
      margin:12px 0 0;
      padding-left:18px;
      color:rgba(31,35,40,.78);
      font-size:13.2px;
      line-height:1.85;
    }
    form{
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.74);
      border-radius:var(--radius2);
      padding:14px;
    }
    .fieldRow{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    label{display:block; font-size:12px; color:rgba(31,35,40,.72); font-weight:900; margin:0 0 6px}
    input, select, textarea{
      width:100%;
      border-radius:12px;
      border:1px solid rgba(31,35,40,.12);
      background:rgba(255,255,255,.82);
      padding:11px 12px;
      font-size:14px;
      color:rgba(31,35,40,.92);
      outline:none;
      transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
    }
    textarea{min-height:92px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(47,111,237,.45);
      box-shadow:0 0 0 4px rgba(47,111,237,.16);
    }
    .help{
      margin-top:8px;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
    }
    .actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top:12px;
      flex-wrap:wrap;
    }
    .status{
      font-size:12.5px;
      color:rgba(31,35,40,.72);
      display:flex; align-items:center; gap:10px;
      min-height:18px;
    }
    .spinner{
      width:16px; height:16px; border-radius:50%;
      border:2px solid rgba(31,35,40,.18);
      border-top-color:rgba(47,111,237,.9);
      animation: spin .8s linear infinite;
      display:none;
    }
    .status.loading .spinner{display:inline-block}
    .submitBtn{
      min-width:160px;
    }

    footer{
      background:#f1efe9;
      border-top:1px solid rgba(31,35,40,.08);
      padding:18px 0 26px;
    }
    .footGrid{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
    }
    .footLeft{
      max-width:520px;
    }
    .footLeft b{
      display:block;
      font-size:14px;
      margin-bottom:6px;
      letter-spacing:-.2px;
    }
    .footLeft p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }
    .footLinks{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
      justify-content:flex-end;
    }
    .footLinks a{
      font-size:13px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.65);
      color:rgba(31,35,40,.78);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .footLinks a:hover{
      transform: translateY(-1px);
      border-color:rgba(47,111,237,.22);
      background:rgba(255,255,255,.80);
    }
    .copy{
      margin-top:12px;
      color:rgba(31,35,40,.62);
      font-size:12.5px;
    }

    @keyframes up{from{opacity:0; transform: translateY(10px)} to{opacity:1; transform: translateY(0)}}
    @keyframes up2{from{opacity:0; transform: translateY(14px)} to{opacity:1; transform: translateY(0)}}
    @keyframes fadeIn{from{opacity:0; transform: translateY(10px)} to{opacity:1; transform: translateY(0)}}
    @keyframes spin{to{transform: rotate(360deg)}}

    @media (max-width: 900px){
      .heroGrid{grid-template-columns: 1fr; }
      .faqGrid{grid-template-columns: 1fr}
      .priceWrap{grid-template-columns: 1fr}
      .formCard{grid-template-columns: 1fr}
      nav .links{display:none}
      .brand p{display:none}
      .heroTitle{font-size:30px}
    }