:root{
      --bg:#f5f8ff;
      --panel:#ffffff;
      --panel-2:#eef4ff;
      --text:#13213a;
      --muted:#5c6b86;
      --brand:#1b4fd8;
      --brand-2:#0f74ff;
      --line:#dbe5fb;
      --shadow:0 18px 50px rgba(23,56,145,.12);
      --shadow-soft:0 10px 30px rgba(23,56,145,.09);
      --radius:20px;
      --radius-sm:14px;
      --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 15% 10%, rgba(27,79,216,.15), transparent 26%),
        radial-gradient(circle at 85% 12%, rgba(15,116,255,.12), transparent 22%),
        linear-gradient(180deg,#f8fbff 0%, #f5f8ff 44%, #f7faff 100%);
      min-height:100vh;
    }
    a{color:var(--brand);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:saturate(180%) blur(16px);
      background:rgba(245,248,255,.82);
      border-bottom:1px solid rgba(219,229,251,.82);
    }
    .nav{
      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:44px;height:44px;object-fit:contain;flex:none}
    .brand .title{display:flex;flex-direction:column;line-height:1.1}
    .brand strong{font-size:18px;letter-spacing:.4px}
    .brand span{font-size:12px;color:var(--muted)}
    .navlinks{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:#243251;padding:8px 10px;border-radius:999px}
    .navlinks a:hover,.navlinks a.active{background:rgba(27,79,216,.09);color:var(--brand)}
    .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 18px;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 12px 28px rgba(27,79,216,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(27,79,216,.26)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#b8c9f3;transform:translateY(-1px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{
      padding:42px 0 26px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.2fr .8fr; gap:24px; align-items:stretch;
    }
    .hero-card,.glass-card{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(245,249,255,.96));
      border:1px solid rgba(219,229,251,.95);
      box-shadow:var(--shadow);
      border-radius:26px;
    }
    .hero-card{padding:30px; position:relative; overflow:hidden}
    .hero-card::before,.hero-card::after{
      content:""; position:absolute; border-radius:50%; pointer-events:none;
      background:radial-gradient(circle, rgba(27,79,216,.14), transparent 68%);
    }
    .hero-card::before{width:280px;height:280px;right:-120px;top:-100px}
    .hero-card::after{width:180px;height:180px;left:-70px;bottom:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(27,79,216,.08);color:var(--brand);font-weight:700;font-size:13px}
    h1{font-size:clamp(32px, 5vw, 56px); line-height:1.06; margin:18px 0 14px; letter-spacing:-.8px}
    .lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:760px;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .point{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}
    .point b{display:block;font-size:16px;margin-bottom:6px}
    .point span{color:var(--muted);font-size:13px;line-height:1.6}
    .hero-side{display:grid;gap:14px}
    .side-panel{padding:22px}
    .side-panel h2,.section-title h2{margin:0 0 10px;font-size:26px}
    .small-muted{color:var(--muted);font-size:14px;line-height:1.8}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
    .stat{
      background:linear-gradient(180deg,#fff,#f5f9ff);
      border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow-soft)
    }
    .stat strong{display:block;font-size:24px;color:var(--brand);margin-bottom:6px}
    .section{padding:18px 0}
    .section-title{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:16px}
    .section-title p{margin:0;color:var(--muted);max-width:760px;line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{
      background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow-soft);
      transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(23,56,145,.14);border-color:#bfd0f6}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.8}
    .list{margin:0;padding-left:18px}
    .chip-row{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:999px;background:#eef4ff;border:1px solid #dbe6ff;color:#25406f;font-size:13px}
    .workflow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .step{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#f6f9ff);border:1px solid var(--line);position:relative}
    .step::after{content:"";position:absolute;right:-8px;top:26px;width:16px;height:16px;border-top:2px solid #c9d6f4;border-right:2px solid #c9d6f4;transform:rotate(45deg)}
    .step:last-child::after{display:none}
    .step strong{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;margin-bottom:12px}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-soft)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #edf2fd;vertical-align:top}
    th{background:#f4f8ff;color:#1f3158;font-size:14px}
    td{color:var(--muted);font-size:14px;line-height:1.75}
    .badge-star{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;background:rgba(27,79,216,.08);color:var(--brand);border-radius:999px;font-weight:700}
    .reviews,.articles,.faq,.contact,.footer-top{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review small{display:block;color:#6b7c98;margin-top:10px}
    .case-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .gallery img,.article-cover{width:100%;border-radius:18px;border:1px solid var(--line);background:#fff;object-fit:cover}
    .gallery img{aspect-ratio:16/10}
    .article{display:flex;flex-direction:column;gap:10px}
    .article .meta{font-size:13px;color:#6c7c97}
    .accordion{display:grid;gap:12px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow-soft)
    }
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{margin:10px 0 0;color:var(--muted);line-height:1.8}
    .form{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:700;font-size:14px;color:#223153}
    input,select,textarea{
      width:100%;border:1px solid #d8e2f7;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#7ea4ff;box-shadow:0 0 0 4px rgba(27,79,216,.08)}
    textarea{min-height:120px;resize:vertical}
    .submit-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
    .float-tools{
      position:fixed;right:18px;bottom:18px;z-index:40;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:50px;height:50px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft);
      display:grid;place-items:center;color:var(--brand);font-weight:800;cursor:pointer
    }
    .footer{
      margin-top:18px;padding:24px 0 30px;border-top:1px solid rgba(219,229,251,.9);background:#f3f7ff;color:#243251
    }
    .footer a{color:#204bb9}
    .footer .card{background:#f9fbff}
    .footer-bottom{margin-top:16px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#5c6b86;font-size:13px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}
    .timeline-dot{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:800}
    .service-map{display:flex;flex-wrap:wrap;gap:10px}
    .service-map span{padding:10px 12px;border-radius:14px;background:#eef4ff;border:1px solid #d9e5ff;color:#28416f;font-size:13px}
    .mobile-only{display:none}
    @media (max-width: 1060px){
      .hero-grid,.case-grid,.reviews,.articles,.faq,.contact,.footer-top,.grid-3,.grid-4,.workflow,.stat-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .navlinks,.nav-actions .btn-ghost{display:none}
      .menu-toggle{display:inline-flex}
      .hero{padding-top:24px}
      .hero-grid,.case-grid,.grid-3,.grid-4,.workflow,.stat-grid,.reviews,.articles,.faq,.contact,.footer-top,.form{grid-template-columns:1fr}
      .hero-card,.card,.side-panel{padding:20px}
      .section-title{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .workflow .step::after{display:none}
      .float-tools{right:12px;bottom:12px}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .mobile-menu{
      display:none;padding:0 0 14px
    }
    .mobile-menu.open{display:block}
    .mobile-menu .panel{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow-soft)
    }
    .mobile-menu a{display:block;padding:12px 10px;border-radius:12px;color:#233354}
    .mobile-menu a:hover{background:#f2f6ff;color:var(--brand)}