:root{
      --bg:#f7f4ee;
      --bg2:#eef5ff;
      --card:#ffffff;
      --card2:#fff9f2;
      --text:#1f2a37;
      --muted:#5f6b7a;
      --line:#e5e7eb;
      --primary:#2563eb;
      --primary2:#7c3aed;
      --accent:#f59e0b;
      --shadow:0 18px 40px rgba(31,42,55,.10);
      --radius:22px;
      --radius-sm:16px;
      --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 top left, rgba(124,58,237,.10), transparent 30%),
        radial-gradient(circle at top right, rgba(37,99,235,.10), transparent 26%),
        linear-gradient(180deg, #fbfbfd 0%, var(--bg) 45%, #f7f8fb 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(160%) blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(229,231,235,.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:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 18px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .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:999px;transition:.2s}
    .nav-links a:hover{background:#eef2ff;color:#1d4ed8}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn,.btn-outline{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 16px;border-radius:999px;font-weight:700;border:1px solid transparent;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
      cursor:pointer;white-space:nowrap;
    }
    .btn{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 12px 26px rgba(37,99,235,.24)}
    .btn:hover,.btn-outline:hover{transform:translateY(-1px)}
    .btn-outline{background:#fff;border-color:#dbe2ea;color:#1f2937}
    .menu-toggle{display:none;background:#fff;border:1px solid #dbe2ea;border-radius:14px;padding:10px}
    .hero{
      padding:36px 0 22px;
      position:relative;
    }
    .hero-shell{
      background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,250,243,.88)),
        radial-gradient(circle at 85% 10%, rgba(245,158,11,.14), transparent 24%),
        radial-gradient(circle at 10% 20%, rgba(37,99,235,.12), transparent 26%);
      border:1px solid rgba(255,255,255,.85);
      border-radius:32px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-shell:before,.hero-shell:after{
      content:"";position:absolute;border-radius:50%;filter:blur(4px);pointer-events:none
    }
    .hero-shell:before{width:220px;height:220px;background:rgba(124,58,237,.10);right:-50px;top:-70px}
    .hero-shell:after{width:180px;height:180px;background:rgba(37,99,235,.09);left:-50px;bottom:-50px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;
      padding:32px;
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:#eff6ff;color:#1d4ed8;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(32px,5vw,54px);line-height:1.05;margin:16px 0 14px}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .meta-card{
      background:rgba(255,255,255,.75);border:1px solid rgba(226,232,240,.9);
      border-radius:18px;padding:14px 16px
    }
    .meta-card b{display:block;font-size:22px;margin-bottom:4px}
    .meta-card span{color:var(--muted);font-size:13px}
    .hero-panel{
      background:linear-gradient(180deg,#fff, #fff8ef);
      border:1px solid #f1eadf;border-radius:26px;padding:22px;
      display:flex;flex-direction:column;gap:16px;justify-content:space-between
    }
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .mini{
      background:#fff;border:1px solid #ebeff4;border-radius:18px;padding:16px
    }
    .mini h3{margin:0 0 8px;font-size:15px}
    .mini p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
    .section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{font-size:28px;line-height:1.15;margin:0}
    .section-head p{margin:0;color:var(--muted);max-width:760px;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,.service-card,.review-card,.article-card,.case-card,.faq-item,.step-card,.compare-card,.quote-card,.contact-card,.price-card,.timeline-card{
      background:var(--card);
      border:1px solid #e9edf3;
      border-radius:var(--radius);
      box-shadow:0 10px 26px rgba(15,23,42,.05);
    }
    .card{padding:18px}
    .stat{display:flex;flex-direction:column;gap:10px}
    .stat .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#eff6ff,#ede9fe);color:#1d4ed8;font-weight:900}
    .stat b{font-size:24px}
    .muted{color:var(--muted)}
    .service-card{padding:18px;display:flex;flex-direction:column;gap:12px}
    .service-card h3,.case-card h3,.article-card h3,.review-card h3,.price-card h3,.compare-card h3{margin:0;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 12px;border-radius:999px;background:#fff;border:1px solid #e5e7eb;color:#334155;font-size:13px}
    .table-wrap{overflow:auto;border-radius:24px;border:1px solid #e8ebf0;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:900px}
    th,td{padding:14px 16px;border-bottom:1px solid #edf1f5;text-align:left;vertical-align:top}
    th{background:#f8fafc;font-size:14px}
    td{font-size:14px;color:#334155;line-height:1.7}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:12px;font-weight:700}
    .steps{counter-reset:step}
    .step-card{padding:18px;position:relative}
    .step-card:before{
      counter-increment:step;content:counter(step);
      width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
      background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-weight:800;margin-bottom:12px
    }
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;background:none;border:0;padding:18px;display:flex;align-items:center;justify-content:space-between;
      text-align:left;font-size:16px;font-weight:700;color:#111827;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;padding:0 18px;color:var(--muted);line-height:1.8;transition:max-height .28s ease,padding .28s ease}
    .faq-item.active .faq-a{max-height:240px;padding:0 18px 18px}
    .faq-item.active .chev{transform:rotate(180deg)}
    .chev{transition:.25s}
    .reviews .review-card{padding:18px;display:flex;flex-direction:column;gap:12px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .stars{color:#f59e0b;letter-spacing:1px}
    .article-card,.case-card{padding:18px}
    .article-card ul{margin:12px 0 0;padding-left:18px;color:var(--muted);line-height:1.8}
    .contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:16px}
    form{display:grid;gap:12px}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #dbe2ea;background:#fff;
      font:inherit;color:var(--text);outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 4px rgba(59,130,246,.12)}
    .footer{
      margin-top:18px;background:#f8fafc;border-top:1px solid #e5e7eb;color:#334155
    }
    .footer a{color:#1d4ed8}
    .footer-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;padding:24px 0}
    .footer small{color:#64748b}
    .float-bar{
      position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;box-shadow:0 14px 26px rgba(37,99,235,.28)
    }
    .mobile-menu{display:none}
    .timeline{display:grid;gap:14px}
    .timeline-card{padding:16px;border-left:4px solid #2563eb}
    .scroll-anim{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
    .scroll-anim.in{opacity:1;transform:none}
    .cols-note{color:var(--muted);font-size:13px}
    .home-link{font-weight:700}
    .image-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .image-row img,.square-img{width:100%;height:auto;border-radius:18px;border:1px solid #e8edf3;background:#fff}
    @media (max-width: 980px){
      .hero-grid,.contact-grid,.footer-grid,.grid-4,.grid-3,.grid-2,.image-row{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-menu{display:none;padding:0 0 16px}
      .mobile-menu.open{display:block}
      .mobile-menu .nav-links{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:12px 0 0}
      .hero-grid{padding:24px}
      .hero-meta{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .container{padding:0 14px}
      .hero{padding:18px 0 12px}
      .hero-grid,.contact-grid,.footer-grid,.grid-4,.grid-3,.grid-2,.image-row,.mini-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .nav{min-height:66px}
      h1{font-size:30px}
      .section-head h2{font-size:24px}
      .hero-panel{padding:16px}
      .hero-shell{border-radius:24px}
      .float-bar{right:12px;bottom:12px}
    }