:root{
      --bg:#f6f2ea;
      --panel:#fffaf2;
      --card:#ffffff;
      --ink:#1f2733;
      --muted:#5f6877;
      --line:#e6dccb;
      --brand:#4f6dff;
      --brand2:#8b5cf6;
      --accent:#ff8a5b;
      --shadow:0 18px 50px rgba(43,52,69,.10);
      --shadow2:0 10px 24px rgba(79,109,255,.14);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(79,109,255,.12), transparent 24%),
        radial-gradient(circle at top right, rgba(139,92,246,.10), transparent 26%),
        linear-gradient(180deg, #f8f4ee 0%, #f4f1eb 34%, #fbfaf7 100%);
      line-height:1.7;
    }
    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{position:relative;z-index:1}
    .topbar{
      position:sticky;top:0;backdrop-filter:blur(14px);
      background:rgba(251,250,247,.84);border-bottom:1px solid rgba(230,220,203,.8);
      z-index:20;
    }
    .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;border:1px solid var(--line);padding:4px}
    .brand .txt{min-width:0}
    .brand strong{display:block;font-size:16px;letter-spacing:.4px}
    .brand span{display:block;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .navlinks{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .navlinks a,.navlinks button{
      border:1px solid rgba(230,220,203,.95);background:#fff;color:var(--ink);
      padding:9px 13px;border-radius:999px;font-size:14px;cursor:pointer;
      transition:.25s ease;box-shadow:0 6px 18px rgba(17,24,39,.04);
    }
    .navlinks a:hover,.navlinks button:hover{transform:translateY(-1px);border-color:rgba(79,109,255,.35);box-shadow:var(--shadow2)}
    .menu-btn{display:none}
    .hero{
      padding:46px 0 24px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch;
    }
    .hero-copy,.hero-side,.section-card,.info-card,.quote-card,.faq-item,.form-card,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.84));
      border:1px solid rgba(230,220,203,.9);border-radius:var(--radius);box-shadow:var(--shadow);
    }
    .hero-copy{padding:34px;overflow:hidden;position:relative}
    .hero-copy:before{
      content:"";position:absolute;inset:-60px -80px auto auto;width:240px;height:240px;border-radius:50%;
      background:radial-gradient(circle, rgba(79,109,255,.16), rgba(79,109,255,0) 65%);
      pointer-events:none;
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(79,109,255,.10);color:#3552da;font-weight:700;font-size:13px}
    h1{margin:14px 0 14px;font-size:clamp(32px,4vw,54px);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:16px;color:var(--muted);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;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 16px 30px rgba(79,109,255,.20)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-ghost:hover{border-color:rgba(79,109,255,.35);transform:translateY(-2px)}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .mini{
      padding:14px;border-radius:16px;background:rgba(255,255,255,.72);border:1px solid rgba(230,220,203,.9)
    }
    .mini b{display:block;font-size:18px}
    .mini span{color:var(--muted);font-size:13px}
    .hero-side{padding:18px}
    .side-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:18px;border-radius:16px;background:linear-gradient(180deg,#fff,#fbf8f2);border:1px solid var(--line)}
    .stat b{display:block;font-size:28px;line-height:1}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    section{padding:16px 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);max-width:62ch}
    .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;border-radius:18px;background:linear-gradient(180deg,#fff, #fbf9f4);border:1px solid var(--line);box-shadow:0 8px 24px rgba(31,39,51,.05);transition:.25s ease}
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .card h3{margin:12px 0 8px;font-size:18px}
    .card p{margin:0;color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 12px;border-radius:999px;background:rgba(79,109,255,.08);border:1px solid rgba(79,109,255,.16);color:#3046b8;font-size:13px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .step{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative}
    .step .num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;margin-bottom:10px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}
    th{background:#faf7f1;font-size:14px}
    .badge{display:inline-flex;padding:5px 10px;border-radius:999px;font-size:12px;background:rgba(79,109,255,.10);color:#3552da;font-weight:700}
    .compare{
      display:grid;grid-template-columns:1fr .78fr;gap:14px;align-items:start
    }
    .score{padding:22px}
    .score .big{font-size:44px;font-weight:900;line-height:1}
    .score ul{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .score li{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
    .check{width:20px;height:20px;border-radius:50%;background:rgba(79,109,255,.12);display:grid;place-items:center;color:#3552da;flex:none;margin-top:2px}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .quote-card{padding:18px}
    .quote-card .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .quote-card .role{font-size:13px;color:var(--muted)}
    .quote-card .stars{color:#d68b00;font-weight:800;letter-spacing:2px}
    .articles{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .article-list{display:grid;gap:12px}
    .article-item{
      display:flex;justify-content:space-between;gap:14px;align-items:center;
      padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)
    }
    .article-item span{color:var(--muted);font-size:13px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    form{display:grid;gap:12px}
    label{font-size:13px;font-weight:700;color:#354052}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #d9d1c2;background:#fff;color:var(--ink);
      outline:none;transition:.2s ease;font:inherit
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(79,109,255,.5);box-shadow:0 0 0 4px rgba(79,109,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:14px;padding:18px 0 28px;border-top:1px solid rgba(230,220,203,.9);
      background:linear-gradient(180deg, rgba(251,250,247,.55), rgba(247,244,238,.95));
      color:var(--ink)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:16px}
    .footer a{color:#23306d}
    .footer small,.footer p{color:var(--muted)}
    .service-net{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .chip-list{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);font-size:13px}
    .accordion{display:grid;gap:10px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;border:0;background:transparent;color:var(--ink);padding:16px 18px;display:flex;justify-content:space-between;gap:10px;
      align-items:center;font:inherit;font-weight:700;cursor:pointer;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:16px}
    .faq-item.open .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:.25s ease;color:#7a8494}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border-radius:16px;border:1px solid rgba(230,220,203,.9);
      background:#fff;display:grid;place-items:center;box-shadow:var(--shadow);cursor:pointer
    }
    .wechat-panel{
      position:fixed;right:16px;bottom:82px;background:#fff;border:1px solid var(--line);
      border-radius:18px;box-shadow:var(--shadow);padding:14px;width:220px;display:none;z-index:40
    }
    .wechat-panel.show{display:block}
    .wechat-panel img{border-radius:14px;border:1px solid var(--line)}
    .mobile-only{display:none}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .scroll-reveal.show{opacity:1;transform:none}
    .media-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .media-row img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
    @media (max-width: 980px){
      .hero-grid,.compare,.grid-4,.grid-3,.reviews,.articles,.footer-grid,.service-net,.timeline,.media-row{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .navlinks{display:none}
      .menu-btn{display:inline-flex}
      .nav.open .navlinks{
        display:flex;position:absolute;left:0;right:0;top:100%;background:rgba(251,250,247,.98);
        padding:12px 16px 16px;border-bottom:1px solid var(--line);box-shadow:0 12px 28px rgba(31,39,51,.08)
      }
      .nav.open{position:relative;flex-wrap:wrap}
      .hero-copy{padding:24px}
    }
    @media (max-width: 640px){
      .hero-grid,.compare,.grid-4,.grid-3,.reviews,.articles,.footer-grid,.service-net,.timeline,.media-row,.form-grid{grid-template-columns:1fr}
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero{padding-top:26px}
      .hero-copy{padding:20px}
      h1{font-size:30px}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .stat b{font-size:24px}
      table{min-width:680px}
    }