:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f2f6ff;
      --text:#182133;
      --muted:#5f6b85;
      --line:#dbe3f2;
      --brand:#5b7cff;
      --brand-2:#8d5bff;
      --brand-3:#20c6b7;
      --shadow:0 18px 45px rgba(34,56,110,.10);
      --radius:20px;
      --radius-sm:14px;
      --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(91,124,255,.12), transparent 26%),
        radial-gradient(circle at top right, rgba(141,91,255,.10), transparent 24%),
        linear-gradient(180deg, #f9fbff 0%, #f5f8fd 46%, #f7f9fc 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header,main,footer{width:100%}
    .topbar{
      position:sticky;top:0;z-index:30;
      backdrop-filter:blur(14px);
      background:rgba(246,248,252,.82);
      border-bottom:1px solid rgba(219,227,242,.85);
    }
    .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 .logo-wrap{width:44px;height:44px;border-radius:14px;background:#fff;display:grid;place-items:center;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--line)}
    .brand .name{font-weight:800;font-size:18px;line-height:1.1}
    .brand .sub{font-size:12px;color:var(--muted);margin-top:3px}
    .navlinks{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}
    .navlinks a,.pill,.btn{
      border:1px solid var(--line);
      background:rgba(255,255,255,.82);
      color:var(--text);
      border-radius:999px;
      padding:10px 14px;
      font-size:14px;
      transition:.2s ease;
      box-shadow:0 8px 22px rgba(24,33,51,.05);
    }
    .navlinks a:hover,.pill:hover,.btn:hover{transform:translateY(-1px);border-color:#c7d5ff;box-shadow:0 14px 28px rgba(91,124,255,.12)}
    .btn.primary{
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;border-color:transparent;font-weight:700
    }
    .menu-btn{display:none}
    .hero{padding:28px 0 10px}
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch
    }
    .hero-card,.glass-card,.panel,.faq-item,.review,.article,.case,.timeline-item,.price-card,.table-card,.form-card{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.8));
      border:1px solid rgba(219,227,242,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:28px;position:relative;overflow:hidden}
    .hero-card:before{
      content:"";position:absolute;inset:auto -40px -40px auto;width:180px;height:180px;border-radius:50%;
      background:radial-gradient(circle, rgba(91,124,255,.20), transparent 65%);
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eef3ff;border:1px solid #d9e4ff;color:#3550c7;font-size:13px;font-weight:700}
    h1{font-size:clamp(30px,4vw,54px);line-height:1.08;margin:16px 0 14px}
    .lead{color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#f5f8ff,#ffffff);border:1px solid #e0e8fb}
    .stat .v{font-size:22px;font-weight:800}
    .stat .t{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5}
    .hero-side{display:grid;gap:14px}
    .side-card{padding:20px}
    .side-card h3{margin:0 0 10px;font-size:18px}
    .mini-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .mini-list li{display:flex;gap:10px;color:var(--muted);line-height:1.6}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:7px;background:linear-gradient(135deg,var(--brand),var(--brand-3));flex:0 0 auto}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:70ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .card{padding:20px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .tagcloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#f4f7ff;border:1px solid #dce5fb;color:#30446d;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;position:relative}
    .step .n{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#5b7cff,#8d5bff);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:14px}
    .table-wrap{overflow:auto;border-radius:var(--radius)}
    table{width:100%;border-collapse:collapse;min-width:820px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid #e8eef9;text-align:left;vertical-align:top}
    th{background:#f5f8ff;color:#1d2a4a;font-size:14px}
    td{color:#31405e;line-height:1.7}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#eef3ff;color:#3550c7}
    .compare{display:grid;grid-template-columns:1fr 1.2fr;gap:14px}
    .score{padding:22px}
    .score .big{font-size:44px;font-weight:900;line-height:1}
    .score .small{color:var(--muted);margin-top:8px}
    .accordion{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;border:0;background:transparent;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:700;color:var(--text);text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease,padding .25s ease;color:var(--muted);padding:0 20px}
    .faq-item.open .faq-a{max-height:180px;padding:0 20px 18px}
    .reviews,.articles,.cases,.timeline,.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review .name{font-weight:800;margin-bottom:4px}
    .review .role{color:#6b7893;font-size:13px;margin-bottom:12px}
    .review p,.article p,.case p,.timeline-item p{margin:0;color:var(--muted);line-height:1.75}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-card{padding:22px}
    label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #d8e1f2;background:#fff;color:var(--text);
      font:inherit;outline:none;transition:border-color .2s ease,box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#8fa6ff;box-shadow:0 0 0 4px rgba(91,124,255,.12)}
    textarea{min-height:128px;resize:vertical}
    .footer{
      margin-top:18px;padding:26px 0 30px;border-top:1px solid rgba(219,227,242,.9);
      background:linear-gradient(180deg, rgba(245,248,253,.55), rgba(239,243,251,.86));
      color:var(--text)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px}
    .footer a{color:#2c4ed9}
    .fine{margin-top:16px;color:#657391;font-size:13px;line-height:1.8}
    .float{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .float a,.float button{
      width:48px;height:48px;border-radius:16px;border:1px solid #d7e1f4;background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;color:var(--text)
    }
    .floating-panel{
      position:fixed;right:16px;bottom:74px;z-index:39;display:none;width:min(320px, calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:14px
    }
    .floating-panel.show{display:block}
    .qrcode{display:flex;gap:12px;align-items:center}
    .qrcode img{width:84px;height:84px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease, transform .55s ease}
    .reveal.in{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.compare,.footer-grid,.grid-4,.grid-3,.reviews,.articles,.cases,.timeline,.prices,.steps{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .navlinks{display:none}
      .menu-btn{display:inline-flex}
      .nav.open .navlinks{display:flex;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .hero-grid,.compare,.footer-grid,.grid-4,.grid-3,.reviews,.articles,.cases,.timeline,.prices,.steps,.hero-stats,.form-grid{grid-template-columns:1fr}
      .hero-card{padding:22px}
      .section-head{flex-direction:column;align-items:flex-start}
      .topbar{position:sticky}
    }