:root{
      --bg:#fbfaf7;
      --bg2:#f3f7ff;
      --card:#ffffff;
      --text:#17202a;
      --muted:#5f6b7a;
      --line:#e6eaf0;
      --brand:#ef4d5a;
      --brand2:#2d7ef7;
      --accent:#ffb547;
      --shadow:0 16px 40px rgba(23,32,42,.08);
      --shadow2:0 10px 24px rgba(45,126,247,.12);
      --radius:18px;
      --radius2:24px;
      --max: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 top left, rgba(239,77,90,.10), transparent 26%),
        radial-gradient(circle at 85% 0%, rgba(45,126,247,.12), transparent 26%),
        linear-gradient(180deg, #fff 0%, var(--bg) 46%, #f8fbff 100%);
    }
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:60;
      backdrop-filter:saturate(140%) blur(16px);
      background:rgba(251,250,247,.82);
      border-bottom:1px solid rgba(230,234,240,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .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 h2{margin:0;font-size:18px;line-height:1.1}
    .brand p{margin:3px 0 0;color:var(--muted);font-size:12px}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#334155;padding:8px 10px;border-radius:10px;transition:.2s}
    .nav-links a:hover,.nav-links a:focus-visible{background:#fff;box-shadow:var(--shadow2);transform:translateY(-1px)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:999px;padding:12px 16px;
      font-weight:700;font-size:14px;transition:.22s;cursor:pointer;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7a3d);color:#fff;box-shadow:0 14px 28px rgba(239,77,90,.24)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-btn span{width:20px;height:2px;background:#243041;position:relative;display:block}
    .menu-btn span:before,.menu-btn span:after{content:"";position:absolute;left:0;width:20px;height:2px;background:#243041}
    .menu-btn span:before{top:-6px}.menu-btn span:after{top:6px}
    .hero{padding:34px 0 24px;position:relative;overflow:hidden}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch
    }
    .hero-copy,.hero-panel,.section-card,.info-card,.review-card,.article-card,.case-card,.flow-card,.service-card,.faq-item,.compare-card,.quote-card,.timeline-card,.tag-cloud,.form-card{
      background:var(--card);border:1px solid rgba(230,234,240,.9);border-radius:var(--radius2);box-shadow:var(--shadow)
    }
    .hero-copy{padding:34px;position:relative;overflow:hidden}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(45,126,247,.08);color:#245ad3;font-size:13px;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:#334155;font-size:18px;line-height:1.8;max-width:40em}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .mini-stat{padding:14px;border-radius:16px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}
    .mini-stat strong{display:block;font-size:20px;margin-bottom:4px}
    .mini-stat span{display:block;font-size:13px;color:var(--muted);line-height:1.5}
    .hero-panel{padding:22px;background:
      linear-gradient(135deg, rgba(45,126,247,.08), rgba(239,77,90,.07)),
      linear-gradient(180deg,#fff,#f8fbff);
    }
    .panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    .panel-top h3{margin:0;font-size:18px}
    .badge{font-size:12px;font-weight:700;color:#b42318;background:#fff1f2;border:1px solid #ffd2d7;padding:6px 10px;border-radius:999px}
    .stack{
      display:grid;gap:12px
    }
    .stack .panel-box{
      padding:16px;border-radius:16px;background:#fff;border:1px solid var(--line)
    }
    .panel-box b{display:block;font-size:16px;margin-bottom:6px}
    .panel-box p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .marquee{
      margin-top:20px;padding:12px 16px;border-radius:16px;background:#fff;border:1px dashed #d5dbe6;color:#334155;overflow:hidden
    }
    .marquee span{display:inline-block;padding-left:100%;white-space:nowrap;animation:mar 18s linear infinite}
    @keyframes mar{from{transform:translateX(0)}to{transform:translateX(-100%)}}
    .section{padding:18px 0 0}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin:28px 0 14px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:60ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .info-card,.service-card,.flow-card,.review-card,.article-card,.case-card,.compare-card,.faq-item,.quote-card,.timeline-card,.form-card,.tag-cloud{padding:18px}
    .info-card h3,.service-card h3,.flow-card h3,.review-card h3,.article-card h3,.case-card h3,.compare-card h3,.quote-card h3,.timeline-card h3{margin:0 0 10px;font-size:18px}
    .info-card p,.service-card p,.flow-card p,.review-card p,.article-card p,.case-card p,.compare-card p,.quote-card p,.timeline-card p{margin:0;color:var(--muted);line-height:1.75}
    .metric{display:flex;align-items:flex-end;justify-content:space-between;gap:8px;margin-bottom:10px}
    .metric strong{font-size:28px;line-height:1}
    .metric span{font-size:13px;color:var(--muted)}
    .pill-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .pill{padding:7px 10px;border-radius:999px;background:#f6f8fc;border:1px solid var(--line);font-size:12px;color:#334155}
    .service-card{position:relative;overflow:hidden}
    .service-card:before{content:"";position:absolute;inset:auto -24px -24px auto;width:100px;height:100px;border-radius:50%;background:radial-gradient(circle, rgba(239,77,90,.16), transparent 68%)}
    .service-card ul{margin:12px 0 0;padding-left:18px;color:#334155;line-height:1.8}
    .split{
      display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start
    }
    table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:16px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;font-size:14px;line-height:1.7}
    th{background:#f8fbff;color:#1f2937;font-weight:800}
    tr:last-child td{border-bottom:none}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff}
    .rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:10px 0 0}
    .stars{color:#ffb400;font-size:18px;letter-spacing:1px}
    .compare-badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#ecfdf3;color:#157f3d;font-size:12px;font-weight:700}
    .accordion details{border-top:1px solid var(--line);padding:14px 0}
    .accordion details:first-child{border-top:none}
    .accordion summary{list-style:none;cursor:pointer;font-weight:700;color:#1f2937;display:flex;justify-content:space-between;gap:12px}
    .accordion summary::-webkit-details-marker{display:none}
    .accordion .answer{margin-top:10px;color:var(--muted);line-height:1.8}
    .review-card .author{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:#475569}
    .quote-card{background:linear-gradient(180deg,#fff, #f9fbff)}
    .quote-card .label{display:inline-block;font-size:12px;font-weight:700;color:#0f766e;background:#ecfeff;border:1px solid #c9f0f4;padding:6px 10px;border-radius:999px;margin-bottom:12px}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:90px 1fr;gap:14px;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .timeline-item strong{color:var(--brand2)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:10px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#334155;transition:.2s}
    .tag-cloud a:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article-card .meta{margin-top:12px;display:flex;justify-content:space-between;gap:8px;color:#64748b;font-size:12px}
    .article-card .meta span{background:#f7f9fc;border:1px solid var(--line);padding:5px 8px;border-radius:999px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field label{font-size:14px;font-weight:700;color:#243041}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid #dbe2ea;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none;transition:.2s
    }
    .field textarea{min-height:120px;resize:vertical;grid-column:1/-1}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(45,126,247,.7);box-shadow:0 0 0 4px rgba(45,126,247,.10)}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
    .footer{
      margin-top:26px;padding:24px 0 30px;color:#0f172a;background:linear-gradient(180deg,#ffffff,#f7f9fc);border-top:1px solid var(--line)
    }
    .footer a{color:#174ea6}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
    .contact-box,.link-box{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .contact-list{display:grid;gap:8px;color:#334155;line-height:1.7}
    .floating{
      position:fixed;right:16px;bottom:18px;z-index:80;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand2),#00b7ff);color:#fff;box-shadow:0 12px 24px rgba(45,126,247,.26);font-weight:900
    }
    .float-btn.secondary{background:linear-gradient(135deg,var(--brand),#ff8d3a)}
    .mobile-menu{display:none}
    .section-card{padding:20px}
    .scroll-top{position:fixed;right:16px;bottom:82px;z-index:80;display:none}
    .hidden-mobile{display:block}
    .visual-banner{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .visual-banner img{width:100%;border-radius:16px;border:1px solid var(--line);object-fit:cover}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:translateY(0)}
    @media (max-width: 980px){
      .hero-grid,.split,.footer-grid,.grid-4,.grid-3,.articles{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-menu{display:none;padding:12px 0 18px}
      .mobile-menu.open{display:block}
      .mobile-menu .nav-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
      .mobile-menu .nav-links a{background:#fff;border:1px solid var(--line);text-align:center}
    }
    @media (max-width: 720px){
      .hero-grid,.split,.footer-grid,.grid-4,.grid-3,.grid-2,.articles,.form-grid{grid-template-columns:1fr}
      .hero-copy,.hero-panel,.section-card,.info-card,.review-card,.article-card,.case-card,.flow-card,.service-card,.faq-item,.compare-card,.quote-card,.timeline-card,.form-card,.tag-cloud{padding:16px}
      .nav{min-height:68px}
      h1{font-size:30px}
      .lead{font-size:16px}
      .section-head{flex-direction:column;align-items:flex-start}
      .floating,.scroll-top{right:12px}
      .hidden-mobile{display:none}
      .visual-banner{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
    }