:root{
      --bg:#faf7ff;
      --bg2:#f3effc;
      --card:#ffffff;
      --card2:#fbf8ff;
      --line:#e7dcff;
      --text:#1f2330;
      --muted:#5d6477;
      --brand:#7b3ff2;
      --brand2:#b04bff;
      --brand3:#4f7cff;
      --accent:#ff6ad5;
      --shadow:0 18px 40px rgba(98, 59, 180, .10);
      --shadow2:0 10px 24px rgba(79, 124, 255, .12);
      --radius:20px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(176,75,255,.12), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(79,124,255,.11), transparent 24%),
        linear-gradient(180deg, #fff 0%, var(--bg) 26%, #fff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(14px);
      background: rgba(250,247,255,.82);
      border-bottom:1px solid rgba(231,220,255,.75);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:18px;
      min-height:76px;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px; height:42px; object-fit:contain}
    .brand strong{display:block; font-size:18px; line-height:1.1}
    .brand span{display:block; font-size:12px; color:var(--muted); margin-top:3px}
    .nav-links{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:14px; color:#3a4053; padding:8px 10px; border-radius:999px; transition:.25s}
    .nav-links a:hover{background:#efe7ff; color:var(--brand)}
    .nav-cta{display:flex; align-items:center; gap:10px}
    .btn{
      border:0; cursor:pointer; display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border-radius:999px; padding:12px 18px; font-weight:700; transition:.25s; white-space:nowrap;
    }
    .btn-primary{color:#fff; background:linear-gradient(135deg, var(--brand), var(--brand2)); box-shadow:0 12px 24px rgba(123,63,242,.24)}
    .btn-primary:hover{transform:translateY(-1px); box-shadow:0 16px 30px rgba(123,63,242,.28)}
    .btn-ghost{background:#fff; color:var(--text); border:1px solid var(--line)}
    .btn-ghost:hover{border-color:#c9b3ff; transform:translateY(-1px)}
    .menu-btn{display:none; width:44px; height:44px; border-radius:12px; border:1px solid var(--line); background:#fff}
    .menu-btn span{display:block; width:18px; height:2px; background:#3b3f4d; margin:4px auto; border-radius:2px}
    main{overflow:hidden}
    .hero{
      padding:42px 0 24px;
      background:
        linear-gradient(135deg, rgba(123,63,242,.08), rgba(79,124,255,.06)),
        linear-gradient(180deg, rgba(255,255,255,.6), rgba(255,255,255,.95));
      border-bottom:1px solid rgba(231,220,255,.75);
    }
    .hero-grid{display:grid; grid-template-columns:1.18fr .82fr; gap:24px; align-items:stretch}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px;
      background:#f1e9ff; color:#6d30cf; font-weight:700; font-size:13px;
    }
    h1{font-size:clamp(32px, 5vw, 56px); line-height:1.06; margin:16px 0 14px}
    .lead{font-size:18px; line-height:1.8; color:#42495c; max-width:58ch; margin:0 0 18px}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin:20px 0 18px}
    .mini-tags{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:9px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#3e4457; font-size:13px}
    .hero-panel{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(248,243,255,.92));
      border:1px solid rgba(231,220,255,.85);
      border-radius:28px; padding:22px; box-shadow:var(--shadow); position:relative; overflow:hidden;
    }
    .hero-panel:before,.hero-panel:after{
      content:""; position:absolute; border-radius:999px; filter:blur(12px); opacity:.55
    }
    .hero-panel:before{width:180px;height:180px;background:rgba(176,75,255,.16); top:-40px; right:-40px}
    .hero-panel:after{width:140px;height:140px;background:rgba(79,124,255,.14); bottom:-30px; left:-20px}
    .stat-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:14px; position:relative; z-index:1}
    .stat{
      background:#fff; border:1px solid rgba(231,220,255,.9); border-radius:18px; padding:16px;
      box-shadow:0 10px 22px rgba(111, 70, 202, .06)
    }
    .stat strong{display:block; font-size:24px; color:var(--brand)}
    .stat span{display:block; margin-top:6px; color:var(--muted); font-size:13px; line-height:1.5}
    .hero-card{
      margin-top:14px; background:linear-gradient(135deg, #faf6ff, #f5f8ff);
      border:1px dashed #d6c3ff; border-radius:18px; padding:16px; position:relative; z-index:1;
    }
    .hero-card h2{font-size:18px; margin:0 0 8px}
    .hero-card p{margin:0; color:var(--muted); line-height:1.7; font-size:14px}
    section{padding:28px 0}
    .section-head{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:18px}
    .section-head h2{margin:0; font-size:28px}
    .section-head p{margin:0; color:var(--muted); max-width:62ch; line-height:1.7}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:16px}
    .card{
      background:linear-gradient(180deg, #fff, #fcfaff);
      border:1px solid rgba(231,220,255,.95);
      border-radius:var(--radius);
      padding:20px;
      box-shadow:var(--shadow);
      transition:.28s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:0 22px 44px rgba(98,59,180,.12)}
    .card h3{margin:0 0 10px; font-size:18px}
    .card p{margin:0; color:var(--muted); line-height:1.78}
    .metric .num{font-size:32px; font-weight:800; color:#2e3150}
    .metric .desc{margin-top:8px; color:var(--muted); font-size:14px; line-height:1.65}
    .feature-list{display:grid; gap:12px; margin-top:12px}
    .feature-item{display:flex; gap:12px; align-items:flex-start}
    .dot{width:12px; height:12px; border-radius:50%; margin-top:6px; background:linear-gradient(135deg, var(--brand), var(--accent))}
    .workflow{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{
      padding:18px; border-radius:22px; background:linear-gradient(180deg, #fff, #faf7ff);
      border:1px solid rgba(231,220,255,.9); position:relative;
    }
    .step .idx{display:inline-flex; width:34px; height:34px; align-items:center; justify-content:center; border-radius:12px; background:#f0e7ff; color:var(--brand); font-weight:800; margin-bottom:12px}
    .table-wrap{overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow)}
    table{width:100%; border-collapse:collapse; min-width:860px}
    th,td{padding:16px 14px; text-align:left; border-bottom:1px solid #f0e8ff; vertical-align:top}
    th{background:#f9f4ff; color:#3c3560; font-size:14px}
    td{color:#3c4155; font-size:14px; line-height:1.7}
    .highlight{
      color:var(--brand); font-weight:800
    }
    .pill{display:inline-flex; padding:7px 10px; border-radius:999px; background:#efe7ff; color:#6931c9; font-size:12px; font-weight:700}
    .accordion{display:grid; gap:12px}
    details{
      background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:0 10px 22px rgba(98,59,180,.05);
      overflow:hidden;
    }
    summary{
      list-style:none; cursor:pointer; padding:18px 20px; font-weight:700; display:flex; align-items:center; justify-content:space-between; gap:14px;
    }
    summary::-webkit-details-marker{display:none}
    details p{margin:0; padding:0 20px 18px; color:var(--muted); line-height:1.8}
    .reviews .card{display:flex; flex-direction:column; gap:12px}
    .avatar{width:44px; height:44px; border-radius:14px; display:grid; place-items:center; background:linear-gradient(135deg, #e9ddff, #dbe6ff); color:#4c3eb7; font-weight:800}
    .review-top{display:flex; align-items:center; gap:12px}
    .review-meta strong{display:block}
    .review-meta span{display:block; color:var(--muted); font-size:13px; margin-top:3px}
    .stars{color:#f59e0b; letter-spacing:1px}
    .article-list{display:grid; gap:12px}
    .article{
      display:flex; justify-content:space-between; gap:14px; align-items:center;
      padding:16px 18px; border-radius:18px; border:1px solid var(--line); background:#fff;
    }
    .article:hover{border-color:#cdb4ff; box-shadow:var(--shadow2)}
    .article b{display:block; margin-bottom:6px}
    .article span{color:var(--muted); font-size:13px}
    .form-grid{display:grid; grid-template-columns:1.08fr .92fr; gap:18px; align-items:start}
    form{display:grid; gap:12px}
    .field{display:grid; gap:7px}
    label{font-size:14px; color:#353a4b; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid #dcd2f5; border-radius:14px; padding:13px 14px; font:inherit; background:#fff; color:var(--text);
      outline:none; transition:.2s;
    }
    input:focus,select:focus,textarea:focus{border-color:#b58cff; box-shadow:0 0 0 4px rgba(123,63,242,.08)}
    textarea{min-height:120px; resize:vertical}
    .contact-box{
      background:linear-gradient(180deg, #fff, #faf7ff);
      border:1px solid var(--line); border-radius:24px; padding:20px; box-shadow:var(--shadow)
    }
    .contact-row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .qrcode{
      display:grid; grid-template-columns:120px 1fr; gap:16px; align-items:center; padding-top:8px
    }
    .qrcode img{width:120px; border-radius:16px; border:1px solid var(--line)}
    .footer-links{display:flex; flex-wrap:wrap; gap:10px}
    footer{
      margin-top:10px; background:#f7f1ff; border-top:1px solid #e6d8ff; color:#2a2f3e
    }
    footer a{color:#4a31aa}
    .footer-inner{padding:24px 0}
    .footer-top{display:grid; grid-template-columns:1.1fr .9fr; gap:18px; align-items:start}
    .small{color:var(--muted); line-height:1.8; font-size:14px}
    .float-tools{
      position:fixed; right:16px; bottom:18px; z-index:60; display:grid; gap:10px;
    }
    .float-tools a,.float-tools button{
      width:48px; height:48px; border-radius:16px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow2);
      display:grid; place-items:center; cursor:pointer; color:var(--brand); font-weight:800;
    }
    .mobile-only{display:none}
    .reveal{opacity:0; transform:translateY(16px); transition:.6s ease}
    .reveal.visible{opacity:1; transform:none}
    @media (max-width: 1024px){
      .hero-grid,.form-grid,.footer-top,.grid-4,.workflow,.grid-3{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-grid; place-items:center}
      .nav-links.open{
        display:flex; position:absolute; left:16px; right:16px; top:76px; padding:14px; border-radius:18px;
        background:rgba(255,255,255,.98); border:1px solid var(--line); box-shadow:var(--shadow); flex-wrap:wrap; justify-content:flex-start;
      }
    }
    @media (max-width: 720px){
      .container{width:min(var(--max), calc(100% - 24px))}
      .hero{padding-top:24px}
      .hero-grid,.form-grid,.footer-top,.grid-4,.grid-3,.grid-2,.workflow,.contact-row,.stat-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:flex-start}
      .hero-actions,.mini-tags,.footer-links{gap:8px}
      .qrcode{grid-template-columns:1fr; justify-items:start}
      .contact-row{gap:12px}
      .mobile-only{display:inline-flex}
    }