:root{--bg:#f6f8fc;--panel:#ffffff;--panel2:#f3f7ff;--text:#132238;--muted:#5f6f86;--line:#dbe4f0;--pri:#3b6ff5;--pri2:#10b981;--acc:#ff8a3d;--shadow:0 14px 40px rgba(26,48,85,.10);--r:20px}
    *{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;background:radial-gradient(circle at top left,#edf4ff 0,#f6f8fc 35%,#f7f8fb 100%);color:var(--text);line-height:1.65}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(246,248,252,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(219,228,240,.8)}
    .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;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 20px rgba(59,111,245,.12)}
    .brand strong{display:block;font-size:16px;line-height:1.1}.brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px}
    .nav-links a,.nav-links button{border:1px solid var(--line);background:#fff;color:var(--text);padding:9px 12px;border-radius:999px;font-size:13px;cursor:pointer;transition:.2s ease}
    .nav-links a:hover,.nav-links button:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(19,34,56,.08);border-color:#c7d5ea}
    .menu-btn{display:none}
    .hero{padding:32px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.form-card,.faq-card,.table-card,.review-card,.mini-card{background:var(--panel);border:1px solid rgba(219,228,240,.9);border-radius:var(--r);box-shadow:var(--shadow)}
    .hero-main{padding:32px;background:linear-gradient(135deg,#ffffff 0%,#f6f9ff 55%,#eef7ff 100%);position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(59,111,245,.14),transparent 70%);pointer-events:none}
    .hero-main:before{width:260px;height:260px;right:-90px;top:-70px}.hero-main:after{width:180px;height:180px;left:-60px;bottom:-70px}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 12px;border-radius:999px;background:#edf4ff;color:#2752c7;font-weight:700;font-size:13px}
    h1{margin:16px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:16px;color:var(--muted);max-width:62ch}
    .cta{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:700;transition:.2s ease}
    .btn-primary{background:linear-gradient(135deg,var(--pri),#6f8cff);color:#fff;box-shadow:0 12px 28px rgba(59,111,245,.28)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .hero-side{padding:20px;display:grid;gap:12px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:16px;border-radius:16px;background:linear-gradient(180deg,#fbfcff,#f3f7ff);border:1px solid #e2ebf8}
    .stat strong{display:block;font-size:24px;line-height:1.1}.stat span{font-size:13px;color:var(--muted)}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:26px}.section-head p{margin:0;color:var(--muted)}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .section-card,.review-card,.mini-card,.faq-card,.table-card{padding:18px}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e9f1ff,#f4fbff);color:#2b5fdc;font-weight:900;margin-bottom:12px}
    .card-title{margin:0 0 8px;font-size:18px}.card-text{margin:0;color:var(--muted)}
    .tags{display:flex;flex-wrap:wrap;gap:10px}.tag{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#37506c}
    .timeline{display:grid;gap:12px}.step{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:start;padding:14px;border:1px solid #e2ebf8;border-radius:16px;background:#fff}
    .step-num{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#3b6ff5,#10b981);color:#fff;display:grid;place-items:center;font-weight:800}
    .table-wrap{overflow:auto;border-radius:16px;border:1px solid #e2ebf8}
    table{width:100%;border-collapse:collapse;min-width:820px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid #edf2f7;text-align:left;vertical-align:top;font-size:14px}
    th{background:#f5f8ff;color:#183153}
    .highlight{background:#eef7ff;font-weight:700}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .stars{color:#ffb400;font-size:18px;letter-spacing:2px}
    details{border:1px solid #e2ebf8;border-radius:16px;background:#fff;overflow:hidden}
    details+details{margin-top:10px}summary{cursor:pointer;list-style:none;padding:16px 18px;font-weight:700;display:flex;justify-content:space-between;gap:12px}
    summary::-webkit-details-marker{display:none}.faq-body{padding:0 18px 16px;color:var(--muted)}
    .reviews .review-card{display:grid;gap:10px}.review-top{display:flex;justify-content:space-between;gap:10px;align-items:center}.badge{padding:5px 10px;border-radius:999px;background:#edf9f4;color:#0f8a58;font-size:12px;font-weight:700}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.field{display:grid;gap:8px}
    input,select,textarea{width:100%;border:1px solid #d8e2ef;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    textarea{min-height:130px;resize:vertical}.full{grid-column:1/-1}
    .submit{border:0;cursor:pointer}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    footer{margin-top:8px;padding:22px 0 28px;background:#f2f6fc;border-top:1px solid #dbe4f0;color:#334155}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
    .floating{position:fixed;right:16px;bottom:16px;display:grid;gap:10px;z-index:60}
    .float-btn{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:11px 14px;border-radius:999px;font-weight:700}
    .qrcode{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:center}
    .qrcode img{width:110px;height:110px;object-fit:cover;border-radius:14px;border:1px solid #e2ebf8;background:#fff}
    .articles{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;border:1px solid #e2ebf8;background:#fff}
    .article-item span{color:var(--muted);font-size:13px}
    .map{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mini-card strong{display:block;margin-bottom:6px}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.footer-grid,.map{grid-template-columns:1fr}
      .nav-links{display:none}.menu-btn{display:inline-flex}
      .nav.open .nav-links{display:flex;position:absolute;left:16px;right:16px;top:64px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .nav{position:relative}.form-grid{grid-template-columns:1fr}
    }