:root{--bg:#f7f5ef;--panel:#ffffff;--panel2:#f4efe5;--text:#1d2733;--muted:#667385;--line:#e5dfd3;--brand:#2b6cb0;--brand2:#7b61ff;--accent:#ff8a3d;--shadow:0 14px 40px rgba(36,44,66,.08);--radius:20px;--radius2:28px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#fff8ea 0,#f7f5ef 34%,#f3f6fb 100%);color:var(--text);line-height:1.65}
    a{color:var(--brand);text-decoration:none}img{display:block;max-width:100%}
    .wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:30;background:rgba(247,245,239,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(229,223,211,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;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:10px;background:#fff;padding:4px;border:1px solid var(--line)}
    .brand strong{display:block;font-size:18px;letter-spacing:.5px}.brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px}
    .menu a:hover,.menu a:focus{background:#fff;box-shadow:0 6px 18px rgba(36,44,66,.08)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;padding:12px 16px;border-radius:999px;font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 28px rgba(43,108,176,.22)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-1px)}
    .hamburger{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px}
    .hero{padding:42px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:20px;align-items:stretch}
    .hero-card{background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(244,239,229,.92));border:1px solid rgba(229,223,211,.9);border-radius:var(--radius2);box-shadow:var(--shadow);padding:34px;position:relative;overflow:hidden}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);opacity:.55;pointer-events:none}
    .hero-card:before{width:280px;height:280px;background:radial-gradient(circle,rgba(43,108,176,.16),transparent 60%);right:-90px;top:-80px}
    .hero-card:after{width:220px;height:220px;background:radial-gradient(circle,rgba(255,138,61,.16),transparent 60%);left:-70px;bottom:-90px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--brand);font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4.5vw,52px);line-height:1.12;letter-spacing:-.03em}
    .lead{font-size:17px;color:var(--muted);max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}
    .mini{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:18px;padding:14px}
    .mini strong{display:block;font-size:22px;color:var(--text)}.mini span{font-size:13px;color:var(--muted)}
    .side-stack{display:grid;gap:14px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
    .side-card h3{margin:0 0 10px;font-size:18px}.side-card p,.side-card li{color:var(--muted)}
    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:28px}.section-head p{margin:0;color:var(--muted);max-width:62ch}
    .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{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 8px 24px rgba(36,44,66,.05);transition:transform .25s ease,box-shadow .25s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(36,44,66,.09)}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(43,108,176,.12),rgba(123,97,255,.12));color:var(--brand);font-weight:800;margin-bottom:12px}
    .card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted)}
    .chips{display:flex;flex-wrap:wrap;gap:10px}.chip{padding:8px 12px;border:1px solid var(--line);background:#fff;border-radius:999px;font-size:13px;color:#314155}
    .timeline{display:grid;gap:14px}.step{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:start;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .step em{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;font-style:normal;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:800}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#faf7f0;color:#243040;font-size:14px}td{color:var(--text);font-size:14px}tr:last-child td{border-bottom:none}
    .score-box{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
    .score-ring{width:108px;height:108px;border-radius:50%;background:conic-gradient(var(--brand) 0 356deg,#edf1f7 356deg);display:grid;place-items:center;position:relative}
    .score-ring:before{content:"";position:absolute;inset:10px;background:#fff;border-radius:50%}
    .score-ring span{position:relative;font-size:24px;font-weight:800}
    .rating{font-size:18px;font-weight:700}
    .reviews,.article-list,.faq-list{display:grid;gap:14px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:0 6px 18px rgba(36,44,66,.04)}
    summary{cursor:pointer;font-weight:700;list-style:none}summary::-webkit-details-marker{display:none}
    summary:after{content:"+";float:right;color:var(--brand);font-weight:900}details[open] summary:after{content:"–"}
    .review{display:flex;flex-direction:column;gap:10px}
    .review .meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:linear-gradient(135deg,#fff,#f3f7ff);border:1px solid var(--line);font-size:13px;color:#304055}
    .image-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .image-row img,.square-row img{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    .square-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:6px}.field label{font-size:14px;font-weight:700}
    .field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);font:inherit;outline:none}
    .field textarea{min-height:124px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#93b6f2;box-shadow:0 0 0 4px rgba(43,108,176,.09)}
    footer{margin-top:18px;padding:24px 0 26px;background:#1c2531;color:#eef4ff}
    footer a{color:#b8d7ff}footer .muted{color:#c5d0de}
    .footer-grid{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:rgba(255,255,255,.05)}
    .float-bar{position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px}
    .float-bar a,.float-bar button{width:46px;height:46px;border-radius:16px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;box-shadow:var(--shadow);cursor:pointer}
    .topbtn{opacity:0;pointer-events:none;transition:.25s}
    .topbtn.show{opacity:1;pointer-events:auto}
    .fade-up{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
    .fade-up.in{opacity:1;transform:none}
    .mobile-panel{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.contact-grid,.footer-grid{grid-template-columns:1fr}
      .hero-points,.square-row{grid-template-columns:1fr 1fr}
      .menu,.nav-cta{display:none}
      .hamburger{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 14px}
      .mobile-panel.open{display:block}
      .mobile-panel .menu{display:grid;grid-template-columns:1fr 1fr;gap:8px;justify-content:stretch}
      .mobile-panel .nav-cta{display:flex;flex-wrap:wrap;padding-top:12px}
    }
    @media (max-width: 640px){
      .wrap{width:min(1180px,calc(100% - 20px))}
      .hero-card{padding:22px}
      .hero-points,.square-row,.image-row{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
      h2{font-size:24px}
      .score-box{grid-template-columns:1fr}
      table{min-width:680px}
    }