:root{
      --bg:#f4f8ff;
      --panel:#ffffff;
      --panel-2:#f8fbff;
      --line:#dbe6f3;
      --text:#17324d;
      --muted:#5d748d;
      --brand:#156eff;
      --brand-2:#00c2ff;
      --accent:#ffb020;
      --shadow:0 18px 50px rgba(21,110,255,.12);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(21,110,255,.10), transparent 30%),
        radial-gradient(circle at top right, rgba(0,194,255,.10), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #f4f8ff 42%, #eef5ff 100%);
      line-height:1.7;
    }
    a{color:var(--brand);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:blur(14px);
      background:rgba(244,248,255,.82);
      border-bottom:1px solid rgba(219,230,243,.8);
    }
    .nav-wrap{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;border-radius:12px;background:#fff;border:1px solid var(--line)}
    .brand strong{display:block;font-size:18px;line-height:1.15}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:12px}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .nav a{color:var(--text);font-size:14px;font-weight:600;opacity:.9}
    .nav a:hover{color:var(--brand)}
    .cta-row{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;border:1px solid transparent;
      padding:12px 18px;font-weight:700;transition:.25s ease;
      cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 14px 30px rgba(21,110,255,.24)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(21,110,255,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:rgba(21,110,255,.35);transform:translateY(-1px)}
    .hero{padding:34px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-card,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,251,255,.96));
      border:1px solid rgba(219,230,243,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card:before{
      content:"";position:absolute;inset:auto -80px -120px auto;width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle, rgba(21,110,255,.16), transparent 70%);
      pointer-events:none
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eef5ff;color:#1a56c6;font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0 0 20px;color:var(--muted);font-size:17px;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 24px}
    .mini-tags{display:flex;flex-wrap:wrap;gap:10px}
    .mini-tags span,.tag{
      display:inline-flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:999px;
      padding:8px 12px;font-size:13px;color:#39506a
    }
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
    .stat{
      background:linear-gradient(180deg,#ffffff,#f8fbff);
      border:1px solid var(--line);border-radius:18px;padding:16px
    }
    .stat b{display:block;font-size:22px;color:#0f2f57}
    .stat span{font-size:13px;color:var(--muted)}
    .side-card{padding:22px;display:grid;gap:16px}
    .side-card h2{margin:0;font-size:20px}
    .side-card p{margin:0;color:var(--muted)}
    .media-stack{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .media-box{
      border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;min-height:140px
    }
    .media-box img{width:100%;height:100%;object-fit:cover}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:8px 0 16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .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:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
      padding:20px;box-shadow:0 10px 30px rgba(20,42,80,.05);transition:.25s ease
    }
    .card:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(21,110,255,.10)}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(21,110,255,.12), rgba(0,194,255,.16));
      color:var(--brand);font-weight:900;margin-bottom:12px
    }
    .card h3{margin:0 0 8px;font-size:18px}
    .card p{margin:0;color:var(--muted)}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative}
    .step b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px;border-bottom:1px solid #edf2f8;text-align:left;vertical-align:top}
    th{background:#f6faff;color:#103257;font-size:14px}
    td{color:#34506a}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#eef5ff;color:#1a56c6;font-size:12px;font-weight:700}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .list li{padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#fff;color:#38546f}
    .faq-item{border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden}
    .faq-q{width:100%;padding:16px 18px;background:#fff;border:0;text-align:left;font-size:16px;font-weight:700;color:var(--text);display:flex;justify-content:space-between;gap:16px;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px;color:var(--muted)}
    .faq-item.active .faq-a{max-height:180px;padding-bottom:16px}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#ffb020;letter-spacing:1px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article a{display:block;font-weight:700;color:var(--text);margin:8px 0 6px}
    .article small{color:var(--muted)}
    .contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:16px}
    .form{
      display:grid;gap:12px
    }
    .field{display:grid;gap:8px}
    .field label{font-weight:700;font-size:14px}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);
      padding:12px 14px;font:inherit;outline:none
    }
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(21,110,255,.5);box-shadow:0 0 0 4px rgba(21,110,255,.08)}
    .field textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:8px;padding:22px 0 30px;border-top:1px solid rgba(219,230,243,.85);
      background:linear-gradient(180deg, rgba(247,250,255,.2), rgba(242,247,255,.95))
    }
    .footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .footer h3{margin:0 0 10px;font-size:18px}
    .footer p,.footer a,.footer li{color:#34506a}
    .footer ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .small{font-size:13px;color:var(--muted)}
    .float-box{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-box a,.float-box button{
      box-shadow:0 12px 28px rgba(16,47,87,.16)
    }
    .to-top{display:none}
    .service-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;padding:14px 16px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .timeline-item span{font-weight:800;color:#1a56c6}
    .compare-card{display:grid;gap:14px}
    .rating{
      display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;border-radius:18px;background:linear-gradient(135deg,#eef5ff,#f6fbff);border:1px solid var(--line)
    }
    .rating strong{font-size:28px}
    .floating-contact{
      display:grid;gap:10px;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .qr{display:grid;grid-template-columns:88px 1fr;gap:12px;align-items:center}
    .qr img{width:88px;height:88px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .mobile-only{display:none}
    .anchor-spacer{scroll-margin-top:92px}
    @media (max-width: 1024px){
      .hero-grid,.contact-grid,.footer-grid,.grid-3,.reviews,.articles,.split,.grid-2{grid-template-columns:1fr}
      .workflow{grid-template-columns:repeat(2,1fr)}
      .stats{grid-template-columns:repeat(2,1fr)}
      .nav{display:none}
      .nav-toggle{display:inline-flex}
      .nav.open{display:flex;position:absolute;left:16px;right:16px;top:70px;flex-direction:column;align-items:flex-start;gap:12px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .site-header{position:sticky}
      .mobile-only{display:block}
    }
    @media (max-width: 640px){
      .hero-card{padding:22px}
      .stats,.workflow{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .btn{width:100%}
      .hero-actions{flex-direction:column}
      .cta-row{width:100%}
      .nav-wrap{position:relative}
      .brand strong{font-size:16px}
      h1{font-size:30px}
      .lead{font-size:15px}
      .timeline-item{grid-template-columns:1fr}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}