:root{
      --bg:#f6f8fc;
      --bg2:#eef3ff;
      --card:#ffffff;
      --line:rgba(30,42,68,.10);
      --text:#1d2433;
      --muted:#5f6b82;
      --brand:#6a5cff;
      --brand2:#19c5c1;
      --accent:#ffb84d;
      --shadow:0 14px 40px rgba(36,54,86,.10);
      --shadow2:0 10px 24px rgba(36,54,86,.08);
      --radius:22px;
      --radius2:16px;
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 10%, rgba(106,92,255,.12), transparent 22%),
        radial-gradient(circle at 88% 14%, rgba(25,197,193,.12), transparent 20%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(16px);
      background:rgba(246,248,252,.84);
      border-bottom:1px solid rgba(30,42,68,.08);
    }
    .topbar{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:12px;background:#fff;padding:4px;box-shadow:var(--shadow2)}
    .brand h2{margin:0;font-size:16px;line-height:1.1}
    .brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
    .nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:14px;color:#304058;padding:8px 10px;border-radius:999px;transition:.2s}
    .nav a:hover,.nav a.active{background:rgba(106,92,255,.10);color:var(--brand)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:12px}
    .hero{padding:34px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.form-wrap,.article-item,.timeline-item,.compare-box{
      background:linear-gradient(180deg,#fff, #fbfcff);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow2);
    }
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:50%;filter:blur(2px);opacity:.75;pointer-events:none
    }
    .hero-main:before{width:220px;height:220px;background:radial-gradient(circle, rgba(106,92,255,.26), transparent 68%);right:-70px;top:-55px}
    .hero-main:after{width:260px;height:260px;background:radial-gradient(circle, rgba(25,197,193,.18), transparent 68%);right:70px;bottom:-130px}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--brand);background:rgba(106,92,255,.09);padding:8px 12px;border-radius:999px}
    h1{font-size:clamp(30px,5vw,54px);line-height:1.05;margin:16px 0 14px;letter-spacing:-.02em}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:58ch;margin:0 0 22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-weight:700;border:1px solid transparent;transition:.2s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#8a73ff);color:#fff;box-shadow:0 12px 24px rgba(106,92,255,.22)}
    .btn-secondary{background:#fff;border-color:rgba(106,92,255,.18);color:var(--brand)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{font-size:13px;color:#334; background:rgba(255,255,255,.72);border:1px solid rgba(30,42,68,.08);padding:9px 12px;border-radius:999px}
    .hero-side{padding:24px}
    .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{padding:16px;border-radius:18px;background:linear-gradient(180deg,rgba(106,92,255,.08),rgba(25,197,193,.05));border:1px solid rgba(106,92,255,.12)}
    .metric strong{display:block;font-size:22px;margin-bottom:6px}
    .metric span{font-size:13px;color:var(--muted);line-height:1.6}
    section{padding:22px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted)}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:22px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li,.panel p{color:var(--muted);line-height:1.75}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(106,92,255,.15),rgba(25,197,193,.14));
      color:var(--brand);margin-bottom:14px;font-weight:800
    }
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:20px}
    .step .num{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:var(--brand);color:#fff;font-weight:700;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow2);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid rgba(30,42,68,.08);text-align:left;vertical-align:top}
    th{background:linear-gradient(180deg,#f7f8ff,#eef3ff);color:#23314e}
    .score{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:rgba(25,197,193,.10);color:#0b716d;font-size:13px}
    .faq details{border:1px solid rgba(30,42,68,.10);border-radius:18px;background:#fff;overflow:hidden}
    .faq summary{cursor:pointer;list-style:none;padding:16px 18px;font-weight:700}
    .faq summary::-webkit-details-marker{display:none}
    .faq .ans{padding:0 18px 16px;color:var(--muted);line-height:1.8}
    .quote{padding:20px}
    .quote .meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
    .stars{color:#ffb84d;letter-spacing:2px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-item{padding:18px}
    .article-item time{color:var(--brand);font-size:13px}
    .article-item h3{margin:10px 0 8px;font-size:17px}
    .form-wrap{padding:24px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .full{grid-column:1/-1}
    input,select,textarea{
      width:100%;border:1px solid rgba(30,42,68,.14);background:#fff;border-radius:14px;
      padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(106,92,255,.5);box-shadow:0 0 0 4px rgba(106,92,255,.10)}
    textarea{min-height:124px;resize:vertical}
    .submit{justify-content:center}
    footer{margin-top:10px;background:#0f172a;color:#dbe6ff}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px;padding:28px 0}
    .footer-grid a{color:#dbe6ff}
    .footer-grid a:hover{color:#8ae6ff}
    .footer-small{border-top:1px solid rgba(255,255,255,.10);padding:14px 0;color:#aab8d9;font-size:13px}
    .float-box{
      position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:18px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#30b7ff);color:#fff;box-shadow:0 16px 30px rgba(15,23,42,.22)
    }
    .floating-card{
      position:fixed;right:16px;bottom:82px;z-index:59;width:min(300px,calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:16px;display:none
    }
    .floating-card.show{display:block}
    .floating-card img{width:100%;border-radius:16px}
    .section-note{padding:14px 16px;border-radius:16px;background:rgba(106,92,255,.08);color:#334;line-height:1.7}
    .image-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .image-row img{border-radius:18px;box-shadow:var(--shadow2)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline-item{padding:18px}
    .links-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .links-cloud a{padding:10px 12px;border-radius:999px;border:1px solid rgba(30,42,68,.10);background:#fff;color:#334}
    .service-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .service-list div{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line);text-align:center;color:#334}
    .scroll-top{position:fixed;left:16px;bottom:16px;z-index:60}
    .hide-mobile{display:block}
    .mobile-panel{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.flow,.articles,.timeline,.service-list,.footer-grid,.image-row{grid-template-columns:1fr}
      form{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
      .nav{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 14px}
      .mobile-panel.show{display:block}
      .mobile-panel a{display:block;padding:10px 2px;color:#304058}
      .hide-mobile{display:none}
      .hero-main{padding:26px}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}