:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f2f6ff;
      --text:#132238;
      --muted:#5b6b84;
      --line:rgba(22,40,74,.12);
      --primary:#2563eb;
      --accent:#8b5cf6;
      --accent2:#18c5d9;
      --warm:#ffb547;
      --shadow:0 18px 50px rgba(24,39,75,.08);
      --shadow2:0 10px 28px rgba(37,99,235,.14);
      --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;background:
      radial-gradient(circle at top left, rgba(139,92,246,.12), transparent 26%),
      radial-gradient(circle at top right, rgba(24,197,217,.12), transparent 24%),
      linear-gradient(180deg,#f8fbff 0%, #f4f7fd 38%, #f6f8fc 100%);
      color:var(--text);line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 18px}
    header{position:sticky;top:0;z-index:50;background:rgba(246,248,252,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(19,34,56,.08)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800}
    .brand .name{font-size:18px;letter-spacing:.5px}
    .brand img{width:42px;height:42px;object-fit:contain}
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(37,99,235,.08)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:rgba(255,255,255,.8);color:var(--text);border:1px solid rgba(19,34,56,.12)}
    .btn:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(24,39,75,.12)}
    .menu-toggle{display:none;background:#fff;border:1px solid rgba(19,34,56,.12);border-radius:12px;padding:10px 12px}
    .hero{padding:42px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel{background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(255,255,255,.78));border:1px solid rgba(19,34,56,.08);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none}
    .hero-main:before{width:220px;height:220px;background:rgba(139,92,246,.12);right:-70px;top:-70px}
    .hero-main:after{width:180px;height:180px;background:rgba(24,197,217,.12);right:100px;bottom:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(37,99,235,.08);color:#1d4ed8;font-weight:700;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(32px,4vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}
    .mini{padding:14px;border-radius:16px;background:rgba(246,248,252,.9);border:1px solid rgba(19,34,56,.07)}
    .mini strong{display:block;font-size:18px}
    .mini span{color:var(--muted);font-size:13px}
    .hero-side{padding:22px;display:flex;flex-direction:column;gap:14px}
    .side-stat{padding:16px;border-radius:16px;background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(139,92,246,.07));border:1px solid rgba(37,99,235,.12)}
    .side-stat strong{font-size:28px;display:block}
    .section{padding:18px 0 8px}
    .section h2{margin:0 0 12px;font-size:clamp(24px,2.6vw,34px)}
    .section p.section-desc{margin:0 0 18px;color:var(--muted)}
    .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{padding:20px}
    .card h3{margin:10px 0 8px;font-size:18px}
    .card p,.card li,.muted{color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(24,197,217,.12));color:#1d4ed8;font-weight:800}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(19,34,56,.08);color:#334155;font-size:13px}
    .table-wrap{overflow:auto;border-radius:var(--radius);border:1px solid rgba(19,34,56,.08);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:840px}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(19,34,56,.08);vertical-align:top}
    th{background:linear-gradient(180deg,#f8fbff,#f2f6ff);font-size:14px}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(37,99,235,.08);color:#1d4ed8;font-size:12px;font-weight:700}
    .rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .stars{color:#f59e0b;letter-spacing:2px}
    .timeline{display:grid;gap:12px}
    .step{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:18px;border-radius:18px;background:#fff;border:1px solid rgba(19,34,56,.08)}
    .step-num{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:grid;place-items:center;font-weight:800}
    .faq-item{border:1px solid rgba(19,34,56,.08);border-radius:16px;background:#fff;overflow:hidden}
    .faq-q{width:100%;text-align:left;background:none;border:0;padding:16px 18px;font-size:16px;font-weight:700;color:var(--text);display:flex;justify-content:space-between;gap:12px;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px;color:var(--muted)}
    .faq-item.active .faq-a{padding-bottom:16px;max-height:220px}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{padding:20px;border-radius:18px;background:#fff;border:1px solid rgba(19,34,56,.08);box-shadow:var(--shadow)}
    .review .role{color:#1d4ed8;font-weight:700;font-size:13px}
    .article-list{display:grid;gap:12px}
    .article{display:flex;justify-content:space-between;gap:12px;padding:16px 18px;border-radius:16px;background:#fff;border:1px solid rgba(19,34,56,.08)}
    .article span{color:var(--muted);font-size:13px}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:700;font-size:14px}
    input,select,textarea{width:100%;border-radius:14px;border:1px solid rgba(19,34,56,.12);background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:rgba(37,99,235,.5);box-shadow:0 0 0 4px rgba(37,99,235,.08)}
    textarea{min-height:120px;resize:vertical}
    footer{margin-top:26px;background:#0f172a;color:#dbe7ff}
    footer a{color:#dbe7ff}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr .95fr;gap:18px;padding:28px 0}
    .footer-box{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:18px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{display:inline-flex;padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.06)}
    .subfooter{border-top:1px solid rgba(255,255,255,.08);padding:14px 0;color:#b7c7e6;font-size:13px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px}
    .floating a,.floating button{width:48px;height:48px;border-radius:16px;border:0;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:grid;place-items:center;box-shadow:var(--shadow2);cursor:pointer}
    .floating .qrcode{position:absolute;right:58px;bottom:0;width:180px;padding:12px;background:#fff;border-radius:18px;border:1px solid rgba(19,34,56,.12);box-shadow:var(--shadow);display:none}
    .floating:hover .qrcode{display:block}
    .reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
    .reveal.visible{opacity:1;transform:none}
    .scrollbar-hint{font-size:13px;color:var(--muted);margin-top:10px}
    .chip-row{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(24,197,217,.08));border:1px solid rgba(37,99,235,.1);font-size:13px;color:#274060}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.reviews,.footer-grid{grid-template-columns:1fr 1fr}
      .grid-3{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:72px;background:#fff;border:1px solid rgba(19,34,56,.08);border-radius:18px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .menu-toggle{display:inline-flex}
      .nav{position:relative}
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews,.footer-grid,.form{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .hero-points{grid-template-columns:1fr}
      table{min-width:760px}
    }