:root{
      --bg:#f5f8ff;
      --bg2:#eef4ff;
      --card:#ffffff;
      --line:#d9e2f2;
      --text:#162033;
      --muted:#5c6b84;
      --primary:#245bff;
      --primary2:#7c3aed;
      --accent:#00c2ff;
      --warm:#ff7a59;
      --shadow:0 18px 40px rgba(22,32,51,.08);
      --radius:22px;
      --radius2:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(36,91,255,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(0,194,255,.12), transparent 26%),
        linear-gradient(180deg, #f7fbff 0%, #f3f7ff 38%, #f8fbff 100%);
      line-height:1.65;
    }
    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:30;
      backdrop-filter:blur(14px);
      background:rgba(245,248,255,.84);
      border-bottom:1px solid rgba(217,226,242,.8);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      min-height:72px;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:44px; height:44px; object-fit:contain}
    .brand-text strong{display:block; font-size:18px; letter-spacing:.5px}
    .brand-text span{display:block; font-size:12px; color:var(--muted)}
    .menu-btn{display:none; border:1px solid var(--line); background:#fff; color:var(--text); border-radius:12px; padding:10px 12px}
    .nav-links{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:14px; color:var(--muted); transition:.2s}
    .nav-links a:hover{color:var(--primary)}
    .cta{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:12px 18px; border-radius:999px; border:0;
      background:linear-gradient(135deg,var(--primary),var(--primary2));
      color:#fff; box-shadow:0 12px 24px rgba(36,91,255,.25);
      font-weight:700; transition:.25s transform,.25s box-shadow;
    }
    .cta:hover{transform:translateY(-1px); box-shadow:0 16px 28px rgba(36,91,255,.3)}
    .ghost{
      display:inline-flex; align-items:center; justify-content:center;
      padding:12px 18px; border-radius:999px; border:1px solid rgba(36,91,255,.18);
      background:#fff; color:var(--primary); font-weight:700;
    }
    .hero{padding:34px 0 18px}
    .hero-grid{
      display:grid; grid-template-columns:1.25fr .95fr; gap:22px; align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.info-card,.review-card,.faq-item,.news-card,.flow-step,.metric,.feature,.compare-card,.quote{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(249,251,255,.96));
      border:1px solid rgba(217,226,242,.9);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:30px; position:relative; overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:""; position:absolute; border-radius:999px; filter:blur(12px); pointer-events:none;
    }
    .hero-main:before{width:240px;height:240px;background:rgba(36,91,255,.12);right:-70px;top:-90px}
    .hero-main:after{width:180px;height:180px;background:rgba(0,194,255,.15);left:-60px;bottom:-70px}
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px; border-radius:999px; background:rgba(36,91,255,.08);
      color:var(--primary); font-size:13px; font-weight:700;
    }
    h1{margin:16px 0 12px; font-size:clamp(32px, 5vw, 54px); line-height:1.08}
    .lead{margin:0; color:var(--muted); font-size:16px; max-width:60ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:22px}
    .hero-points{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:22px}
    .mini{
      padding:14px; border-radius:18px; background:rgba(244,248,255,.95); border:1px solid rgba(217,226,242,.9)
    }
    .mini strong{display:block; font-size:18px}
    .mini span{display:block; color:var(--muted); font-size:13px; margin-top:4px}
    .hero-side{padding:22px; display:grid; gap:14px}
    .side-panel{padding:18px; border-radius:18px; background:linear-gradient(135deg, rgba(36,91,255,.08), rgba(124,58,237,.08)); border:1px solid rgba(36,91,255,.12)}
    .side-panel h2{font-size:18px; margin:0 0 8px}
    .side-panel p{margin:0; color:var(--muted); font-size:14px}
    .quick-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:10px}
    .quick-grid a,.tag{
      padding:12px 12px; border-radius:14px; background:#fff; border:1px solid rgba(217,226,242,.9);
      font-size:13px; color:var(--text)
    }
    .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:26px}
    .section-head p{margin:0; color:var(--muted)}
    .section-card{padding:24px}
    .metrics{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .metric{padding:18px}
    .metric strong{display:block; font-size:28px}
    .metric span{display:block; color:var(--muted); font-size:13px; margin-top:6px}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .feature{padding:20px}
    .feature h3{margin:0 0 8px; font-size:18px}
    .feature p,.feature li{color:var(--muted); margin:0}
    .feature ul{margin:12px 0 0; padding-left:18px}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .flow{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .flow-step{padding:18px}
    .flow-step .no{display:inline-flex; width:30px; height:30px; align-items:center; justify-content:center; border-radius:10px; background:rgba(36,91,255,.08); color:var(--primary); font-weight:800}
    .flow-step h3{margin:12px 0 8px; font-size:17px}
    .flow-step p{margin:0; color:var(--muted); font-size:14px}
    .table-wrap{overflow:auto; border-radius:18px; border:1px solid rgba(217,226,242,.9)}
    table{width:100%; border-collapse:collapse; background:#fff; min-width:860px}
    th,td{padding:14px 16px; border-bottom:1px solid #edf1f8; text-align:left; vertical-align:top}
    th{background:#f6f9ff; font-size:14px}
    td{color:var(--muted)}
    .score{font-weight:800; color:var(--text)}
    .pill{display:inline-block; padding:6px 10px; border-radius:999px; background:rgba(36,91,255,.08); color:var(--primary); font-size:12px; font-weight:700}
    .compare-card{padding:20px}
    .compare-badges{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px}
    .review-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .review-card{padding:18px}
    .review-card strong{display:block; margin-bottom:8px}
    .review-card p{margin:0; color:var(--muted)}
    .case-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .case{padding:18px; border-radius:18px; background:linear-gradient(135deg,#fff, #f5f9ff); border:1px solid rgba(217,226,242,.9)}
    .case h3{margin:0 0 8px}
    .case p{margin:0; color:var(--muted)}
    .news-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .news-card{padding:18px}
    .news-card h3{margin:0 0 10px; font-size:18px}
    .news-card a{color:var(--primary); font-weight:700}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .faq-list{display:grid; gap:12px}
    .faq-item{padding:0; overflow:hidden}
    .faq-q{width:100%; border:0; background:transparent; text-align:left; padding:18px 20px; color:var(--text); font-size:16px; font-weight:700; display:flex; justify-content:space-between; gap:12px}
    .faq-a{max-height:0; overflow:hidden; transition:max-height .28s ease, padding .28s ease; padding:0 20px}
    .faq-item.open .faq-a{max-height:180px; padding:0 20px 18px}
    .faq-a p{margin:0; color:var(--muted)}
    .faq-mark{color:var(--primary)}
    .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .form{display:grid; gap:14px}
    label{display:block; font-size:14px; margin-bottom:6px; color:#34425d}
    input,select,textarea{
      width:100%; border:1px solid #d8e0ef; background:#fff; color:var(--text);
      border-radius:14px; padding:13px 14px; outline:none; font:inherit;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(36,91,255,.55); box-shadow:0 0 0 4px rgba(36,91,255,.08)}
    .contact-grid{display:grid; grid-template-columns:.95fr 1.05fr; gap:14px}
    .contact-box{padding:20px}
    .footer{
      margin-top:18px; background:#0f172a; color:#d9e2f2; padding:28px 0 18px
    }
    .footer a{color:#b7d3ff}
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr .9fr; gap:18px}
    .footer small,.footer p{color:#b6c2da}
    .footer .brand-text span{color:#a6b3cc}
    .links{display:flex; flex-wrap:wrap; gap:10px}
    .links a{padding:8px 10px; border:1px solid rgba(183,211,255,.22); border-radius:12px; background:rgba(255,255,255,.04)}
    .floating{
      position:fixed; right:14px; bottom:14px; z-index:40; display:grid; gap:10px;
    }
    .float-btn{
      width:52px; height:52px; border-radius:16px; display:flex; align-items:center; justify-content:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2)); color:#fff; box-shadow:0 14px 30px rgba(36,91,255,.28)
    }
    .float-panel{
      position:fixed; right:14px; bottom:78px; width:min(320px, calc(100vw - 28px));
      background:#fff; border:1px solid rgba(217,226,242,.95); border-radius:20px; box-shadow:var(--shadow);
      padding:16px; display:none; z-index:39
    }
    .float-panel.open{display:block}
    .float-panel img{width:100%; border-radius:14px; border:1px solid #edf1f8}
    .fade-up{opacity:0; transform:translateY(16px); transition:.5s ease}
    .fade-up.in{opacity:1; transform:none}
    .muted{color:var(--muted)}
    .divider{height:1px; background:linear-gradient(90deg, transparent, rgba(217,226,242,.95), transparent); margin:18px 0}
    .timeline{display:grid; gap:12px}
    .timeline-item{display:flex; gap:14px; align-items:flex-start; padding:16px; border-radius:18px; background:#fff; border:1px solid rgba(217,226,242,.9)}
    .timeline-item .dot{width:12px; height:12px; margin-top:6px; border-radius:50%; background:linear-gradient(135deg,var(--primary),var(--accent))}
    .timeline-item h3{margin:0 0 6px}
    .timeline-item p{margin:0; color:var(--muted)}
    .scroll-x{overflow:auto}
    .article-list{display:grid; gap:12px}
    .article-row{display:flex; justify-content:space-between; gap:14px; align-items:center; padding:16px 18px; border-radius:18px; background:#fff; border:1px solid rgba(217,226,242,.9)}
    .article-row span{color:var(--muted); font-size:13px}
    .map-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
    .map-grid .tag{background:linear-gradient(135deg,#fff, #f6f9ff)}
    @media (max-width: 980px){
      .hero-grid,.contact-grid,.footer-grid,.metrics,.grid-3,.grid-2,.review-grid,.news-grid,.case-grid,.map-grid,.hero-points{grid-template-columns:1fr 1fr}
      .flow{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav.open .nav-links{
        display:flex; position:absolute; left:16px; right:16px; top:72px; flex-direction:column; align-items:flex-start;
        padding:16px; background:#fff; border:1px solid rgba(217,226,242,.95); border-radius:18px; box-shadow:var(--shadow)
      }
    }
    @media (max-width: 680px){
      .container{width:min(var(--max), calc(100% - 24px))}
      .hero-main,.hero-side,.section-card,.contact-box{padding:18px}
      .hero-grid,.contact-grid,.footer-grid,.metrics,.grid-3,.grid-2,.review-grid,.news-grid,.case-grid,.map-grid,.hero-points,.form-grid,.flow{grid-template-columns:1fr}
      .hero-actions{flex-direction:column}
      .cta,.ghost{width:100%}
      .section-head{align-items:flex-start; flex-direction:column}
      h1{font-size:30px}
    }