:root{
      --bg:#f7f9fc;
      --panel:#ffffff;
      --panel-2:#f2f6ff;
      --text:#172033;
      --muted:#5f6b85;
      --line:#dfe6f2;
      --brand:#3b82f6;
      --brand2:#8b5cf6;
      --accent:#06b6d4;
      --warm:#f59e0b;
      --shadow:0 14px 40px rgba(30, 41, 59, .08);
      --radius:20px;
      --radius-sm:14px;
      --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",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(59,130,246,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(139,92,246,.10), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, #f8fbff 42%, #f5f8fd 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(223,230,242,.9);
    }
    .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; color:var(--text); border-radius:12px; padding:10px 12px; font-size:14px}
    .nav{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .nav a{font-size:14px; color:#30405f; padding:8px 10px; border-radius:10px; transition:.2s ease}
    .nav a:hover,.nav a:focus{background:#eef4ff; color:#1d4ed8}
    .cta-btn,.ghost-btn,.primary-btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border-radius:999px; padding:13px 18px; font-weight:700; border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      cursor:pointer;
    }
    .primary-btn{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 12px 24px rgba(59,130,246,.22)}
    .ghost-btn{background:#fff; border-color:var(--line); color:var(--text)}
    .cta-btn{background:#111827; color:#fff}
    .primary-btn:hover,.ghost-btn:hover,.cta-btn:hover{transform:translateY(-2px)}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:24px; align-items:stretch}
    .hero-card{
      position:relative; overflow:hidden;
      background:
        linear-gradient(135deg, rgba(59,130,246,.08), rgba(139,92,246,.08)),
        linear-gradient(180deg, #ffffff, #f8fbff);
      border:1px solid rgba(223,230,242,.95);
      border-radius:28px; box-shadow:var(--shadow);
      padding:34px;
      min-height: 100%;
    }
    .eyebrow{display:inline-flex; align-items:center; gap:8px; padding:8px 14px; border-radius:999px; background:#eef4ff; color:#2442a0; font-size:13px; font-weight:700}
    h1{margin:16px 0 14px; font-size:clamp(34px, 5vw, 56px); line-height:1.06; letter-spacing:-.03em}
    .lead{margin:0; color:var(--muted); font-size:17px; line-height:1.9; max-width: 58ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin:24px 0 18px}
    .hero-points{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:12px; margin-top:18px}
    .mini-stat{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(223,230,242,.95);
      border-radius:18px;
      padding:14px 14px 13px;
    }
    .mini-stat strong{display:block; font-size:20px}
    .mini-stat span{display:block; color:var(--muted); font-size:13px; margin-top:4px; line-height:1.5}
    .hero-side{
      display:grid; gap:16px;
    }
    .side-panel{
      background:rgba(255,255,255,.94);
      border:1px solid rgba(223,230,242,.95);
      border-radius:24px;
      box-shadow:var(--shadow);
      padding:20px;
    }
    .side-panel h2,.section-title h2{margin:0 0 8px; font-size:28px; line-height:1.15}
    .section-title p{margin:0; color:var(--muted); line-height:1.8}
    .side-tags{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
    .tag{padding:8px 12px; background:#f3f7ff; border:1px solid #dbe5ff; color:#28407a; border-radius:999px; font-size:13px}
    .logo-box{display:flex; align-items:center; gap:14px; padding:16px; border-radius:18px; background:linear-gradient(135deg,#f7fbff,#f1f5ff); border:1px solid var(--line)}
    .logo-box img{width:72px; height:72px; object-fit:contain; border-radius:16px; background:#fff; padding:8px}
    .logo-box p{margin:6px 0 0; color:var(--muted); line-height:1.7; font-size:14px}
    section{padding:18px 0}
    .section-title{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:18px}
    .grid-4{display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:16px}
    .card{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:20px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{transform:translateY(-4px); border-color:#cdd8ea; box-shadow:0 18px 36px rgba(30,41,59,.10)}
    .metric strong{font-size:30px; display:block}
    .metric span{color:var(--muted); font-size:14px; line-height:1.7}
    .icon-dot{
      width:44px; height:44px; border-radius:14px; display:grid; place-items:center; margin-bottom:14px;
      background:linear-gradient(135deg, rgba(59,130,246,.14), rgba(139,92,246,.14)); color:#22439a; font-weight:800;
    }
    .card h3{margin:0 0 8px; font-size:18px}
    .card p,.card li{color:var(--muted); line-height:1.8; margin:0}
    .service-list{display:grid; gap:14px}
    .service-list .card{padding:18px}
    .two-col{display:grid; grid-template-columns:1fr 1fr; gap:16px; align-items:start}
    .workflow{display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:14px}
    .step{position:relative}
    .step .index{
      display:inline-flex; align-items:center; justify-content:center;
      width:38px; height:38px; border-radius:12px; background:#111827; color:#fff; font-weight:800; margin-bottom:12px
    }
    table{width:100%; border-collapse:separate; border-spacing:0; overflow:hidden}
    .table-wrap{overflow:auto; border:1px solid var(--line); border-radius:20px; background:#fff; box-shadow:var(--shadow)}
    th,td{padding:16px 14px; text-align:left; border-bottom:1px solid var(--line); vertical-align:top}
    th{background:#f5f8ff; font-size:14px}
    td{font-size:14px; color:var(--muted)}
    tr:last-child td{border-bottom:none}
    .rating{
      display:grid; grid-template-columns:1.1fr .9fr; gap:16px; align-items:stretch
    }
    .score-box{background:linear-gradient(135deg,#0f172a,#1d4ed8); color:#fff}
    .score-box p,.score-box li{color:rgba(255,255,255,.88)}
    .stars{font-size:22px; letter-spacing:2px; color:#ffd166}
    .compare-card{padding:18px}
    details{background:#fff; border:1px solid var(--line); border-radius:16px; padding:0 16px; box-shadow:var(--shadow)}
    details+details{margin-top:12px}
    summary{cursor:pointer; list-style:none; padding:16px 0; font-weight:700; color:var(--text)}
    summary::-webkit-details-marker{display:none}
    details p{padding:0 0 16px; margin:0; color:var(--muted); line-height:1.8}
    .reviews{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:16px}
    .review{display:flex; flex-direction:column; gap:12px}
    .review .meta{display:flex; align-items:center; justify-content:space-between; gap:12px}
    .review .who{font-weight:700}
    .review .role{color:var(--muted); font-size:13px}
    .quote{color:var(--text); line-height:1.85}
    .gallery{display:grid; grid-template-columns:1.2fr .8fr; gap:16px}
    .gallery .imgs{display:grid; gap:14px}
    .image-card{overflow:hidden; border-radius:20px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow)}
    .image-card img{width:100%; height:auto}
    .article-list{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:16px}
    .article-list a{display:block}
    .article-list .card{height:100%}
    .article-list h3{font-size:17px}
    .form-wrap{display:grid; grid-template-columns:1fr .82fr; gap:16px}
    form{display:grid; gap:12px}
    label{font-size:14px; font-weight:700; color:#24324b}
    input,select,textarea{
      width:100%; padding:13px 14px; border-radius:14px; border:1px solid #d8e1ef; background:#fff;
      font:inherit; color:var(--text); outline:none; transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#7aa7ff; box-shadow:0 0 0 4px rgba(59,130,246,.12)}
    textarea{min-height:130px; resize:vertical}
    .contact-box{background:linear-gradient(180deg,#fbfdff,#f5f8ff)}
    .contact-grid{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:12px}
    .contact-item{padding:14px; border-radius:16px; background:#fff; border:1px solid var(--line)}
    .contact-item strong{display:block; margin-bottom:6px}
    .footer{
      margin-top:12px; padding:22px 0 28px;
      border-top:1px solid var(--line);
      background:rgba(255,255,255,.72);
      color:#31415f;
    }
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr .9fr; gap:16px}
    .footer a{color:#1d4ed8}
    .small{font-size:13px; color:var(--muted); line-height:1.8}
    .bottom-bar{
      position:fixed; right:18px; bottom:18px; z-index:60; display:grid; gap:10px;
    }
    .floating{
      display:inline-flex; align-items:center; justify-content:center; width:52px; height:52px; border-radius:18px;
      background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 14px 30px rgba(59,130,246,.25)
    }
    .floating.secondary{background:#111827}
    .pill-row{display:flex; flex-wrap:wrap; gap:10px}
    .pill{padding:8px 12px; border-radius:999px; background:#f2f6ff; border:1px solid #dce6fb; color:#29407d; font-size:13px}
    .scroll-reveal{opacity:0; transform:translateY(16px); transition:opacity .55s ease, transform .55s ease}
    .scroll-reveal.in{opacity:1; transform:none}
    .marquee{
      display:flex; flex-wrap:wrap; gap:10px;
      padding:14px 0 2px;
    }
    .service-network{display:grid; grid-template-columns:repeat(5, minmax(0,1fr)); gap:12px}
    .network-item{padding:14px; border:1px solid var(--line); border-radius:16px; background:#fff; text-align:center; box-shadow:var(--shadow)}
    .accordion-grid{display:grid; gap:12px}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.workflow,.reviews,.article-list,.form-wrap,.footer-grid,.gallery,.rating,.two-col,.service-network{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .nav-toggle{display:inline-flex}
      .nav{display:none; width:100%; padding:10px 0 0; justify-content:flex-start}
      .nav.open{display:flex}
      .topbar{flex-wrap:wrap}
      .hero-grid,.grid-4,.workflow,.reviews,.article-list,.form-wrap,.footer-grid,.gallery,.rating,.two-col,.service-network{grid-template-columns:1fr}
      .hero-card,.side-panel{padding:22px}
      .section-title{flex-direction:column; align-items:flex-start}
      .bottom-bar{right:12px; bottom:12px}
      .contact-grid{grid-template-columns:1fr}
    }