:root{
      --bg:#f6f8ff;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#14213d;
      --muted:#5d6783;
      --line:#dce4ff;
      --primary:#5b61ff;
      --primary2:#18c6ff;
      --accent:#7c3aed;
      --accent2:#00d4b8;
      --shadow:0 18px 50px rgba(41, 63, 160, .12);
      --shadow2:0 10px 30px rgba(14, 22, 80, .08);
      --radius:20px;
      --radius2:28px;
      --container:1180px;
    }
    *{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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(91,97,255,.10), transparent 26%),
        radial-gradient(circle at 90% 20%, rgba(24,198,255,.10), transparent 22%),
        radial-gradient(circle at 50% 0%, rgba(124,58,237,.08), transparent 30%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
    }
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(246,248,255,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,228,255,.7)}
    .topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    nav a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:10px;transition:.2s}
    nav a:hover,nav a.active{color:var(--primary);background:rgba(91,97,255,.08)}
    .hero{padding:28px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.panel{background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(250,252,255,.98));border:1px solid rgba(220,228,255,.9);border-radius:var(--radius2);box-shadow:var(--shadow)}
    .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:240px;height:240px;background:radial-gradient(circle, rgba(91,97,255,.18), transparent 60%);right:-70px;top:-70px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle, rgba(24,198,255,.16), transparent 62%);right:120px;bottom:-70px}
    .hero-kicker{display:inline-flex;align-items:center;gap:8px;color:#3142c4;background:rgba(91,97,255,.08);border:1px solid rgba(91,97,255,.18);padding:8px 12px;border-radius:999px;font-size:13px;font-weight:600}
    h1{font-size:clamp(30px,5vw,56px);line-height:1.06;margin:18px 0 14px;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:56ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.22s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 14px 30px rgba(91,97,255,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(91,97,255,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#c5d2ff}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text)}
    .hero-side{padding:22px;display:grid;gap:14px}
    .mini-stat{padding:16px;border-radius:18px;background:linear-gradient(135deg, rgba(91,97,255,.08), rgba(24,198,255,.08));border:1px solid rgba(91,97,255,.10)}
    .mini-stat strong{display:block;font-size:28px;line-height:1;color:#21308f}
    .mini-stat span{display:block;margin-top:6px;color:var(--muted);font-size:13px}
    .side-list{display:grid;gap:12px}
    .side-item{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:5px;background:linear-gradient(135deg,var(--primary),var(--accent2))}
    main{padding-bottom:14px}
    section{padding:16px 0}
    .section-card,.panel{padding:26px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.7}
    .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{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow2);transition:.22s}
    .card:hover{transform:translateY(-4px);border-color:#c8d7ff;box-shadow:0 14px 30px rgba(41,63,160,.12)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .metric{padding:20px}
    .metric strong{display:block;font-size:28px;color:#1f2d75}
    .metric span{display:block;margin-top:6px;color:var(--muted)}
    .media-box{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .media-box img{width:100%;border-radius:18px;object-fit:cover;border:1px solid var(--line);aspect-ratio:16/10;background:#f7f9ff}
    .timeline{display:grid;gap:14px}
    .step{display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}
    .num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--accent))}
    .compare{overflow:auto}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f5f8ff;color:#23316f;font-size:14px}
    td{color:var(--muted);background:#fff}
    tr:hover td{background:#fafcff}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:rgba(91,97,255,.08);color:#3645bf;font-size:12px;font-weight:700}
    .faq{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow2);overflow:hidden}
    summary{list-style:none;padding:16px 18px;font-weight:700;cursor:pointer;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:18px;top:14px;color:var(--primary);font-size:20px}
    details[open] summary:after{content:"–"}
    details div{padding:0 18px 16px;color:var(--muted);line-height:1.75}
    .quote{display:grid;gap:12px}
    .quote .card{min-height:100%}
    .avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,rgba(91,97,255,.15),rgba(24,198,255,.18));color:#22308a;font-weight:800}
    .article-list{display:grid;gap:12px}
    .article{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 16px;border:1px solid var(--line);background:#fff;border-radius:16px}
    .article small{display:block;color:var(--muted);margin-top:6px}
    .article strong{display:block}
    .article a{color:var(--primary);font-weight:700;white-space:nowrap}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:10px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text);transition:.2s}
    .tag-cloud a:hover{background:rgba(91,97,255,.07);border-color:#c8d7ff;transform:translateY(-2px)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-grid .full{grid-column:1/-1}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#99adff;box-shadow:0 0 0 4px rgba(91,97,255,.10)}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:14px}
    footer{padding:14px 0 26px}
    .footer-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow2);color:var(--text)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px}
    .footer-grid h3{margin:0 0 12px;font-size:18px}
    .footer-grid p,.footer-grid li,.footer-grid a{color:var(--muted);line-height:1.75}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 10px;border-radius:10px;background:#f6f8ff;border:1px solid var(--line);color:var(--text)}
    .copyright{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 14px 26px rgba(91,97,255,.28)}
    .float-btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--line)}
    .mobile-panel{display:none}
    .service-network{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
    .network-item{padding:14px;border-radius:16px;background:linear-gradient(180deg,#fff,#f7f9ff);border:1px solid var(--line);text-align:center}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.media-box,.footer-grid,.form-grid,.service-network{grid-template-columns:1fr}
      nav{display:none}
      .nav-toggle{display:inline-flex}
      .mobile-panel{display:block;max-height:0;overflow:hidden;transition:max-height .28s ease}
      .mobile-panel.open{max-height:420px}
      .mobile-panel .panel-inner{padding:0 0 14px}
      .mobile-panel nav{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:12px 0}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero-main{padding:24px}
      .hero-side{padding:18px}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 20px, var(--container))}
      .topbar{padding:12px 0}
      .brand strong{font-size:16px}
      h1{font-size:30px}
      .hero-main,.hero-side,.section-card,.panel,.footer-box{border-radius:18px}
      .article{flex-direction:column;align-items:flex-start}
      table{min-width:680px}
    }