:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel2:#f2f7ff;
      --text:#142033;
      --muted:#5b677a;
      --line:#dbe5f2;
      --brand:#4f6bff;
      --brand2:#11c5c7;
      --accent:#7a4dff;
      --warm:#ffb44d;
      --shadow:0 14px 40px rgba(23,42,96,.10);
      --radius:22px;
      --radius2:16px;
      --max: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 12% 10%, rgba(79,107,255,.14), transparent 26%),
        radial-gradient(circle at 86% 8%, rgba(17,197,199,.13), transparent 22%),
        radial-gradient(circle at 85% 78%, rgba(122,77,255,.10), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, #f6f8fc 42%, #f7faff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:40;
      backdrop-filter:blur(16px);
      background:rgba(246,248,252,.82);
      border-bottom:1px solid rgba(219,229,242,.75);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:72px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .word{display:flex;flex-direction:column;line-height:1.1}
    .brand strong{font-size:18px;letter-spacing:.5px}
    .brand span{font-size:12px;color:var(--muted)}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:5px;box-shadow:0 8px 18px rgba(23,42,96,.06)}
    .navlinks{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .navlinks a,.navlinks button,.mini-btn{
      border:1px solid transparent;
      padding:10px 14px;border-radius:999px;font-size:14px;line-height:1;
      transition:.22s ease;cursor:pointer;
    }
    .navlinks a:hover,.mini-btn:hover,.navlinks button:hover{transform:translateY(-1px);border-color:rgba(79,107,255,.24);box-shadow:0 10px 20px rgba(79,107,255,.10)}
    .navlinks .cta{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff}
    .navlinks .ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .menu-toggle{display:none;background:#fff;color:var(--text);border:1px solid var(--line)}
    .hero{
      padding:40px 0 18px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.25fr .75fr;gap:18px;align-items:stretch;
    }
    .hero-main,.hero-side,.card,.panel,.faq-item,.testimonial,.step,.article,.price-card,.compare-card,.form-card,.case-card{
      background:rgba(255,255,255,.90);
      border:1px solid rgba(219,229,242,.95);
      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(2px);pointer-events:none;
    }
    .hero-main:before{width:220px;height:220px;background:radial-gradient(circle, rgba(79,107,255,.18), transparent 64%);right:-55px;top:-45px}
    .hero-main:after{width:200px;height:200px;background:radial-gradient(circle, rgba(17,197,199,.16), transparent 64%);left:-70px;bottom:-70px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;background:rgba(79,107,255,.08);color:#3046cc;font-size:13px;font-weight:600;
      border:1px solid rgba(79,107,255,.14)
    }
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:13px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;transition:.22s ease;
    }
    .btn.primary{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff}
    .btn.secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .hero-metrics{
      display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:12px;margin-top:24px;
    }
    .metric{
      padding:16px;border-radius:18px;background:linear-gradient(180deg,rgba(79,107,255,.07),rgba(17,197,199,.05));
      border:1px solid rgba(79,107,255,.10)
    }
    .metric strong{display:block;font-size:22px;margin-bottom:4px}
    .metric span{color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{padding:18px;display:flex;flex-direction:column;gap:12px}
    .side-block{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line)}
    .side-block h3{margin:0 0 8px;font-size:16px}
    .side-block p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .tag{padding:8px 12px;border-radius:999px;background:#f2f6ff;border:1px solid #dbe5f2;font-size:13px;color:#31405d}
    section{padding:20px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(24px,2.4vw,34px)}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .card,.panel,.price-card,.compare-card,.form-card,.case-card,.article,.testimonial,.step,.faq-item{padding:20px}
    .icon-badge{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(79,107,255,.14),rgba(17,197,199,.14));color:#1f3bdb;font-weight:800;
      margin-bottom:12px;
    }
    .card h3,.panel h3,.price-card h3,.compare-card h3,.form-card h3,.case-card h3,.article h3,.testimonial h3,.step h3{margin:0 0 10px;font-size:18px}
    .card p,.panel p,.price-card p,.compare-card p,.form-card p,.case-card p,.article p,.testimonial p,.step p{margin:0;color:var(--muted);line-height:1.75}
    .list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .list li{display:flex;gap:10px;align-items:flex-start;color:var(--text);line-height:1.7}
    .dot{width:9px;height:9px;border-radius:50%;margin-top:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:0 0 auto}
    .media-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .image-box{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff}
    .image-box img{width:100%;height:auto}
    .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative}
    .step .num{
      width:36px;height:36px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--accent));margin-bottom:12px;
    }
    .compare-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f5f8ff;font-size:14px}
    td{font-size:14px;line-height:1.7;color:var(--text)}
    .score{
      display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:rgba(17,197,199,.10);border:1px solid rgba(17,197,199,.18);color:#0f6f75;font-weight:700
    }
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;border:0;background:transparent;padding:18px 20px;
      color:var(--text);font-size:16px;font-weight:700;cursor:pointer;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-a p{margin:0;padding:0 0 18px;color:var(--muted);line-height:1.8}
    .faq-item.active .faq-a{max-height:180px}
    .faq-item.active .faq-q .chev{transform:rotate(180deg)}
    .chev{transition:transform .22s ease}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:var(--text)}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);
      padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(79,107,255,.45);box-shadow:0 0 0 4px rgba(79,107,255,.09)}
    textarea{min-height:120px;resize:vertical}
    .submit-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:4px}
    .hint{color:var(--muted);font-size:13px;line-height:1.6}
    .testimonial .meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
    .avatar{
      width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,rgba(79,107,255,.18),rgba(17,197,199,.18));
      display:grid;place-items:center;font-weight:800;color:#2140ce
    }
    .person{display:flex;align-items:center;gap:10px}
    .person strong{display:block;font-size:15px}
    .person span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
    .article .meta, .case-card .meta, .price-card .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
    .pill{padding:7px 10px;border-radius:999px;background:#f3f7ff;border:1px solid var(--line);font-size:12px;color:#39506b}
    footer{
      margin-top:18px;
      background:linear-gradient(180deg,#eef4ff 0%, #eaf1ff 100%);
      border-top:1px solid var(--line);
      color:var(--text);
    }
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:14px;padding:26px 0}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--text)}
    .copyright{padding:0 0 22px;color:#516078;font-size:13px;line-height:1.7}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:50;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:50px;height:50px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;border:0;box-shadow:0 16px 28px rgba(79,107,255,.24);cursor:pointer
    }
    .float-panel{
      position:fixed;right:16px;bottom:78px;z-index:50;display:none;width:min(340px, calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:16px
    }
    .float-panel.active{display:block}
    .float-panel h3{margin:0 0 10px}
    .float-panel .qr{display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:center}
    .float-panel .qr img{width:110px;height:110px;object-fit:cover;border-radius:16px;border:1px solid var(--line)}
    .top-note{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .marquee{
      display:flex;flex-wrap:wrap;gap:10px
    }
    .subtle{color:var(--muted)}
    .sticky-anchors{
      display:flex;flex-wrap:wrap;gap:8px;margin-top:14px
    }
    .anchor-chip{
      padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#35445d
    }
    .news-list,.resource-list{display:grid;gap:12px}
    .news-item,.resource-item{
      padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center
    }
    .news-item span,.resource-item span{color:var(--muted);font-size:13px}
    .timeline{display:grid;gap:12px}
    .timeline-item{
      display:grid;grid-template-columns:84px 1fr;gap:14px;align-items:start;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .timeline-item time{font-weight:800;color:#2140ce}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.grid-2,.flow,.footer-grid,.media-row{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .navlinks{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open .navlinks{
        display:flex;position:absolute;left:0;right:0;top:72px;background:rgba(246,248,252,.98);
        padding:14px 16px;border-bottom:1px solid var(--line);box-shadow:0 16px 24px rgba(23,42,96,.08);
        justify-content:flex-start
      }
      .nav{position:relative}
      .navlinks a,.navlinks button{width:100%;justify-content:center}
      .form-grid{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
      .mobile-only{display:block}
    }
    .reveal{opacity:0;transform:translateY(12px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}