:root{
      --bg:#f5f8fd;
      --panel:#ffffff;
      --panel-2:#eef5ff;
      --text:#123052;
      --muted:#5f748d;
      --primary:#0b4db8;
      --primary-2:#2372ff;
      --line:#d9e4f2;
      --shadow:0 18px 40px rgba(19,56,108,.10);
      --shadow-soft:0 8px 20px rgba(19,56,108,.08);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{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 top left, rgba(35,114,255,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(11,77,184,.10), transparent 22%),
        linear-gradient(180deg, #ffffff 0%, #f7fbff 45%, #f3f7fc 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(245,248,253,.82);
      border-bottom:1px solid rgba(217,228,242,.9);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      padding:14px 0;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px; height:42px; object-fit:contain}
    .brand-text{min-width:0}
    .brand-text strong{display:block; font-size:18px; line-height:1.1}
    .brand-text span{display:block; font-size:12px; color:var(--muted)}
    .nav-links{
      display:flex; align-items:center; gap:16px; flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:14px; color:var(--text);
      padding:8px 10px; border-radius:999px;
      transition:all .22s ease;
    }
    .nav-links a:hover{background:rgba(11,77,184,.08); color:var(--primary)}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:none; border-radius:999px; padding:12px 18px;
      font-weight:700; cursor:pointer; transition:transform .22s ease, box-shadow .22s ease, background .22s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:var(--shadow-soft)}
    .btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-2)); color:#fff}
    .btn-ghost{background:#fff; color:var(--primary); border:1px solid var(--line)}
    .menu-toggle{display:none; background:#fff; border:1px solid var(--line); border-radius:12px; width:44px; height:44px; align-items:center; justify-content:center}
    .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
      content:""; display:block; width:18px; height:2px; background:var(--primary); border-radius:2px; position:relative;
    }
    .menu-toggle span::before{position:absolute; top:-6px}
    .menu-toggle span::after{position:absolute; top:6px}
    main{overflow:hidden}
    section{padding:72px 0}
    .hero{
      padding:56px 0 34px;
      position:relative;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.25fr .75fr; gap:24px; align-items:stretch;
    }
    .hero-card{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(238,245,255,.90));
      border:1px solid rgba(217,228,242,.95);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:34px;
      position:relative;
      overflow:hidden;
    }
    .hero-card::before{
      content:""; position:absolute; inset:auto -8% -20% auto; width:240px; height:240px;
      background:radial-gradient(circle, rgba(35,114,255,.18), transparent 68%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px; background:rgba(11,77,184,.08); color:var(--primary);
      border-radius:999px; font-weight:700; font-size:13px;
    }
    h1{margin:16px 0 14px; font-size:clamp(34px, 5vw, 56px); line-height:1.08}
    .hero p{margin:0; color:var(--muted); font-size:16px}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
    .hero-points{
      display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:12px; margin-top:26px;
    }
    .point{
      background:rgba(255,255,255,.72); border:1px solid var(--line); border-radius:18px; padding:16px;
    }
    .point strong{display:block; font-size:18px; margin-bottom:6px; color:var(--primary)}
    .point span{font-size:13px; color:var(--muted)}
    .hero-side{
      display:grid; gap:14px;
    }
    .mini-panel{
      background:linear-gradient(180deg, #ffffff, #f2f7ff);
      border:1px solid var(--line); border-radius:24px; box-shadow:var(--shadow-soft);
      padding:22px;
    }
    .mini-panel h2,.section-title h2{margin:0 0 8px; font-size:28px; line-height:1.2}
    .section-title p{margin:0; color:var(--muted)}
    .section-title{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:22px}
    .grid-4{display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:16px}
    .grid-3{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:16px}
    .grid-2{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:16px}
    .card{
      background:var(--panel); border:1px solid var(--line); border-radius:22px; box-shadow:var(--shadow-soft);
      padding:22px; transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:var(--shadow); border-color:#bfd1ea}
    .card h3{margin:0 0 10px; font-size:18px}
    .card p,.card li{color:var(--muted)}
    .stat{font-size:30px; font-weight:800; color:var(--primary); line-height:1}
    .stat-label{margin-top:8px; color:var(--muted); font-size:13px}
    .pill-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .pill{padding:10px 14px; border-radius:999px; background:var(--panel-2); border:1px solid var(--line); color:#204066; font-size:14px}
    .timeline{display:grid; gap:12px}
    .step{
      display:grid; grid-template-columns:64px 1fr; gap:14px; align-items:start;
      background:linear-gradient(180deg, #fff, #f7fbff);
      border:1px solid var(--line); border-radius:20px; padding:18px;
    }
    .step-badge{
      width:64px; height:64px; border-radius:18px; display:flex; align-items:center; justify-content:center;
      background:linear-gradient(135deg, rgba(11,77,184,.12), rgba(35,114,255,.18));
      color:var(--primary); font-weight:800;
    }
    .table-wrap{overflow:auto; border:1px solid var(--line); border-radius:20px; background:#fff; box-shadow:var(--shadow-soft)}
    table{width:100%; border-collapse:collapse; min-width:860px}
    th,td{padding:16px 14px; text-align:left; border-bottom:1px solid #e8eff8; vertical-align:top}
    th{background:#f4f8ff; color:#17395e; font-size:14px}
    td{color:var(--muted); font-size:14px}
    .good{color:#0c7a43; font-weight:700}
    .bad{color:#a04b15; font-weight:700}
    .highlight{color:var(--primary); font-weight:800}
    .faq details{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:16px 18px;
      box-shadow:var(--shadow-soft);
    }
    .faq details + details{margin-top:12px}
    .faq summary{cursor:pointer; font-weight:700; color:var(--text); list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0; color:var(--muted)}
    .review{
      display:flex; flex-direction:column; gap:12px;
    }
    .review .meta{display:flex; align-items:center; justify-content:space-between; gap:12px}
    .stars{color:#f0a500; letter-spacing:1px; font-size:18px}
    .quote{font-size:15px; color:var(--muted)}
    .case{
      display:grid; grid-template-columns:1fr 1fr; gap:16px;
      align-items:stretch;
    }
    .case-list{display:grid; gap:12px}
    .case-item{
      border:1px solid var(--line); border-radius:18px; padding:16px; background:#fff;
    }
    .case-item strong{display:block; margin-bottom:6px}
    .article-list{display:grid; gap:12px}
    .article-item{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      padding:16px 18px; border:1px solid var(--line); border-radius:18px; background:#fff;
    }
    .article-item span{color:var(--muted); font-size:14px}
    .article-item a{color:var(--primary); font-weight:700}
    .form-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:16px}
    .form{
      background:#fff; border:1px solid var(--line); border-radius:24px; box-shadow:var(--shadow-soft); padding:22px;
    }
    .fields{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .field{display:flex; flex-direction:column; gap:8px}
    .field label{font-weight:700; font-size:14px}
    .field input,.field select,.field textarea{
      width:100%; border:1px solid #cfdced; background:#fbfdff; color:var(--text);
      border-radius:14px; padding:13px 14px; outline:none; font:inherit;
    }
    .field textarea{min-height:128px; resize:vertical; grid-column:1/-1}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary); box-shadow:0 0 0 3px rgba(35,114,255,.12)}
    .note{color:var(--muted); font-size:13px; margin-top:10px}
    .contact-panel{
      background:linear-gradient(180deg, #0d4fb8, #0a3c90);
      color:#fff; border-radius:24px; padding:22px; box-shadow:var(--shadow);
    }
    .contact-panel h3,.contact-panel p,.contact-panel li{color:#fff}
    .contact-panel .small{color:rgba(255,255,255,.82)}
    .qrcode{
      width:180px; height:180px; border-radius:18px; overflow:hidden; border:4px solid rgba(255,255,255,.12); background:#fff;
    }
    .footer{
      padding:32px 0 42px; border-top:1px solid var(--line); background:#f5f8fd; color:var(--text);
    }
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:18px; align-items:start}
    .footer a{color:var(--primary)}
    .footer small{color:var(--muted)}
    .floating{
      position:fixed; right:18px; bottom:18px; z-index:60; display:grid; gap:10px;
    }
    .float-btn{
      width:52px; height:52px; border-radius:16px; display:flex; align-items:center; justify-content:center;
      background:linear-gradient(135deg, var(--primary), var(--primary-2)); color:#fff; box-shadow:var(--shadow);
      border:none; cursor:pointer;
    }
    .float-menu{
      position:absolute; right:0; bottom:62px; width:280px; background:#fff; border:1px solid var(--line); border-radius:20px;
      box-shadow:var(--shadow); padding:16px; display:none;
    }
    .floating.open .float-menu{display:block}
    .float-menu a{display:block; padding:10px 0; color:var(--text); border-bottom:1px dashed #e6eef7}
    .float-menu a:last-child{border-bottom:none}
    .scroll-top{
      display:none;
    }
    .reveal{opacity:0; transform:translateY(16px); transition:all .6s ease}
    .reveal.in{opacity:1; transform:none}
    .mobile-only{display:none}
    .desktop-home{display:inline-flex}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.case,.form-grid,.footer-grid{grid-template-columns:1fr}
      .section-title{align-items:flex-start; flex-direction:column}
      .nav-links{display:none}
      .nav-actions .btn-ghost{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:block}
      .desktop-home{display:none}
      .hero-points{grid-template-columns:1fr}
      .fields{grid-template-columns:1fr}
      .hero-card{padding:24px}
    }
    .mobile-nav{
      display:none; padding:0 0 14px;
    }
    .mobile-nav.open{display:block}
    .mobile-nav a{
      display:block; padding:12px 14px; border-radius:14px; background:#fff; border:1px solid var(--line);
      margin-top:10px; color:var(--text)
    }
    .tagline{
      display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:12px;
    }
    .tagbox{padding:16px; background:#fff; border:1px solid var(--line); border-radius:18px}
    .tagbox strong{display:block; color:var(--primary); margin-bottom:4px}