:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f1f6ff;
      --line:#dbe5f5;
      --text:#16304f;
      --muted:#5f728b;
      --blue:#1764ff;
      --blue-2:#0f4fd6;
      --cyan:#33b6ff;
      --gold:#ffb300;
      --shadow:0 18px 50px rgba(21,64,138,.10);
      --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(23,100,255,.08), transparent 28%),
        radial-gradient(circle at top right, rgba(51,182,255,.10), transparent 25%),
        linear-gradient(180deg, #f9fbff 0%, #f6f8fc 35%, #f5f7fb 100%);
    }
    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(16px);
      background:rgba(246,248,252,.84);
      border-bottom:1px solid rgba(219,229,245,.75);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:74px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:800;color:#0d2340;
    }
    .brand .logo-wrap{
      width:42px;height:42px;border-radius:12px;background:#fff;box-shadow:var(--shadow);
      display:grid;place-items:center;overflow:hidden;border:1px solid var(--line);
    }
    .brand img{width:32px;height:32px;object-fit:contain}
    .brand .title{display:flex;flex-direction:column;line-height:1.1}
    .brand .title span:first-child{font-size:1.02rem}
    .brand .title span:last-child{font-size:.76rem;color:var(--muted);font-weight:600}
    .menu-btn{
      display:none;border:1px solid var(--line);background:#fff;border-radius:14px;
      padding:10px 12px;color:var(--text);font-size:1rem;
    }
    .nav-links{
      display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end;
    }
    .nav-links a{font-size:.95rem;color:var(--muted);font-weight:700;padding:10px 0}
    .nav-links a:hover,.nav-links a:focus{color:var(--blue)}
    .home-link{
      display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--blue),var(--cyan));
      color:#fff !important;padding:11px 18px;border-radius:999px;box-shadow:0 12px 26px rgba(23,100,255,.24);
    }
    .hero{
      padding:34px 0 24px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch;
    }
    .hero-card{
      position:relative;overflow:hidden;
      background:linear-gradient(135deg,#0d2f6b 0%, #154fb8 42%, #1f6dff 100%);
      color:#fff;border-radius:30px;padding:34px;box-shadow:0 26px 70px rgba(16,64,146,.24);
      border:1px solid rgba(255,255,255,.12);
    }
    .hero-card:before,.hero-card:after{
      content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.12);filter:blur(2px);
    }
    .hero-card:before{width:240px;height:240px;right:-70px;top:-70px}
    .hero-card:after{width:160px;height:160px;right:120px;bottom:-70px}
    .hero-tag{display:inline-flex;gap:8px;align-items:center;background:rgba(255,255,255,.12);padding:8px 14px;border-radius:999px;font-size:.9rem}
    h1{margin:18px 0 14px;font-size:clamp(2rem,4vw,3.5rem);line-height:1.1;letter-spacing:-.03em}
    .hero p{margin:0;color:rgba(255,255,255,.88);font-size:1.02rem;line-height:1.85;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:800;transition:.25s ease;
    }
    .btn-primary{background:#fff;color:#0d3a8f;box-shadow:0 12px 26px rgba(0,0,0,.10)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.18)}
    .btn-ghost:hover{transform:translateY(-2px);background:rgba(255,255,255,.14)}
    .hero-side{
      display:grid;gap:16px;
    }
    .side-card{
      background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow);
    }
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .metric{
      background:linear-gradient(180deg,#fff, #f7faff);
      border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 8px 20px rgba(17,48,89,.05)
    }
    .metric strong{display:block;font-size:1.5rem;color:#0d2c57}
    .metric span{font-size:.88rem;color:var(--muted)}
    .section{padding:18px 0 6px}
    .section h2{margin:0 0 12px;font-size:1.65rem}
    .section .sub{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .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);box-shadow:var(--shadow);
      padding:20px;
    }
    .card:hover{transform:translateY(-3px);transition:.25s ease}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(23,100,255,.12), rgba(51,182,255,.16));color:var(--blue);font-size:1.2rem;font-weight:900
    }
    .card h3{margin:14px 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted);line-height:1.8}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#eef5ff;border:1px solid #d9e6ff;color:#2557a7;font-size:.9rem;font-weight:700}
    .timeline{display:grid;gap:14px}
    .step{display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .num{
      flex:none;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));
      color:#fff;display:grid;place-items:center;font-weight:900
    }
    .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:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #e8eef8;text-align:left;vertical-align:top}
    th{background:#f4f8ff;color:#123d72;font-size:.95rem}
    td{color:var(--muted)}
    .rating{
      display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:stretch
    }
    .score-box{
      background:linear-gradient(135deg,#0d2f6b,#1b63ea);
      color:#fff;border-radius:24px;padding:24px;box-shadow:0 22px 50px rgba(18,66,160,.24)
    }
    .score-box strong{font-size:2.4rem;display:block;margin:10px 0}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review small{color:#6f84a0}
    .review .name{font-weight:800;color:#123456}
    .faq details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 8px 18px rgba(17,48,89,.04)
    }
    .faq summary{cursor:pointer;font-weight:800;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:var(--muted);line-height:1.85}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article a{display:block;color:var(--text);font-weight:800;margin:10px 0 8px}
    .article .meta{color:var(--muted);font-size:.92rem}
    .form{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:800;color:#19365a;font-size:.95rem}
    input,select,textarea{
      width:100%;border:1px solid #d7e2f2;background:#fff;color:var(--text);
      border-radius:14px;padding:13px 14px;font:inherit;outline:none
    }
    textarea{min-height:130px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,100,255,.10)}
    .footer{
      margin-top:18px;background:#0b1f42;color:#dce7fb;padding:22px 0 26px
    }
    .footer a{color:#ffffff}
    .footer p,.footer li{color:#bfd0ea}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer .chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#fff}
    .float-box{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cyan));
      color:#fff;display:grid;place-items:center;box-shadow:0 16px 30px rgba(14,78,206,.28);border:none;cursor:pointer;font-size:1.05rem
    }
    .float-panel{
      display:none;position:absolute;right:0;bottom:60px;width:280px;background:#fff;border:1px solid var(--line);
      border-radius:20px;box-shadow:var(--shadow);padding:16px
    }
    .float-panel.open{display:block}
    .qrcode{width:100%;border-radius:16px;border:1px solid var(--line);overflow:hidden;background:#fff}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#24456d;font-weight:700}
    .lead-box{background:linear-gradient(180deg,#fff,#f4f8ff);border:1px solid var(--line);border-radius:24px;padding:18px}
    .case-media{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .case-media img{border-radius:18px;border:1px solid var(--line);width:100%;height:auto}
    .scroll-top{position:fixed;left:16px;bottom:16px;z-index:60;display:none}
    .scroll-top.show{display:block}
    .anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .anchor-bar a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.92rem;color:#24456d}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .banner-inline{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .banner-inline img{border-radius:18px;border:1px solid var(--line)}
    .note{font-size:.92rem;color:var(--muted)}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    @media (max-width: 980px){
      .hero-grid,.rating,.footer-grid,.grid-3,.grid-2,.review-grid,.articles,.split,.case-media,.banner-inline{grid-template-columns:1fr}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex;flex-direction:column;align-items:flex-start}
      .menu-btn{display:inline-flex}
      .form{grid-template-columns:1fr}
      .hero-card{padding:24px}
    }