:root{
      --bg:#f4f7fb;
      --bg2:#fffaf4;
      --card:#ffffff;
      --text:#1f2a37;
      --muted:#5f6b7a;
      --line:#dde5ef;
      --primary:#3b82f6;
      --primary2:#8b5cf6;
      --accent:#ff7a59;
      --accent2:#22c55e;
      --shadow:0 18px 45px rgba(28,45,77,.09);
      --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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(59,130,246,.10), transparent 30%),
        radial-gradient(circle at top right, rgba(139,92,246,.10), transparent 26%),
        linear-gradient(180deg, #f8fbff 0%, #f5f7fb 42%, #fcfbf7 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container); margin:0 auto; padding:0 20px}
    .topbar{
      position:sticky; top:0; z-index:30;
      backdrop-filter: blur(14px);
      background:rgba(248,251,255,.82);
      border-bottom:1px solid rgba(221,229,239,.9);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:18px;
      min-height:76px;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px; height:42px; object-fit:contain}
    .brand strong{font-size:1.05rem; letter-spacing:.5px}
    .brand span{display:block; font-size:.82rem; color:var(--muted); margin-top:2px}
    .menu{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .menu a{font-size:.95rem; color:#334155; padding:8px 10px; border-radius:999px}
    .menu a:hover,.menu a.active{background:rgba(59,130,246,.10); color:#184ea3}
    .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; cursor:pointer; transition:.25s ease; white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2)); color:#fff; box-shadow:0 14px 28px rgba(59,130,246,.22)}
    .btn-secondary{background:#fff; border-color:var(--line); color:#233042}
    .btn:hover{transform:translateY(-1px); box-shadow:var(--shadow)}
    .mobile-toggle{display:none; background:#fff; border:1px solid var(--line); width:44px; height:44px; border-radius:14px}
    .hero{
      padding:42px 0 18px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.1fr .9fr; gap:24px; align-items:stretch;
    }
    .hero-panel{
      background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,255,255,.76)),
        linear-gradient(135deg, rgba(59,130,246,.10), rgba(139,92,246,.08));
      border:1px solid rgba(221,229,239,.95);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel::before,.hero-panel::after{
      content:""; position:absolute; border-radius:999px; pointer-events:none;
      background:linear-gradient(135deg, rgba(59,130,246,.18), rgba(255,122,89,.14));
      filter:blur(2px);
    }
    .hero-panel::before{width:210px; height:210px; right:-70px; top:-60px}
    .hero-panel::after{width:140px; height:140px; right:40px; bottom:-50px}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px; padding:8px 12px;
      background:rgba(59,130,246,.08); color:#1e4ea8; border-radius:999px; font-size:.88rem; font-weight:700;
    }
    h1{font-size:clamp(2rem,4vw,3.5rem); line-height:1.05; margin:16px 0 14px; letter-spacing:-.02em}
    .lead{font-size:1.05rem; line-height:1.8; color:var(--muted); max-width:58ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:22px}
    .hero-stats{
      margin-top:24px; display:grid; grid-template-columns:repeat(3,1fr); gap:12px;
    }
    .stat{
      background:rgba(255,255,255,.82); border:1px solid rgba(221,229,239,.92);
      border-radius:18px; padding:16px; min-height:110px;
    }
    .stat b{display:block; font-size:1.4rem; margin-bottom:6px}
    .stat span{font-size:.9rem; color:var(--muted); line-height:1.6}
    .hero-side{
      display:grid; gap:14px;
    }
    .side-card{
      background:rgba(255,255,255,.92); border:1px solid var(--line); border-radius:24px; box-shadow:var(--shadow);
      padding:20px;
    }
    .side-card h2,.section-title h2{margin:0 0 10px; font-size:1.45rem}
    .side-card p,.section-desc{color:var(--muted); line-height:1.75; margin:0}
    .pill-grid{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
    .pill{padding:8px 12px; border-radius:999px; background:#f8fbff; border:1px solid var(--line); font-size:.88rem; color:#334155}
    .section{padding:18px 0}
    .section-card{
      background:rgba(255,255,255,.90);
      border:1px solid rgba(221,229,239,.96);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:24px;
    }
    .section-head{display:flex; justify-content:space-between; align-items:end; gap:16px; margin-bottom:18px}
    .section-head .meta{color:var(--muted); line-height:1.7; max-width:72ch}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .feature{
      background:#fff; border:1px solid var(--line); border-radius:20px; padding:18px; transition:.25s ease;
    }
    .feature:hover{transform:translateY(-4px); box-shadow:0 12px 26px rgba(15,23,42,.08)}
    .feature .ico{width:44px; height:44px; border-radius:14px; display:grid; place-items:center; color:#fff; font-weight:800; margin-bottom:12px;
      background:linear-gradient(135deg,var(--primary),var(--primary2))}
    .feature h3{margin:0 0 8px; font-size:1.02rem}
    .feature p{margin:0; color:var(--muted); line-height:1.7; font-size:.94rem}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .mini-card{
      background:linear-gradient(180deg,#fff, #fbfdff);
      border:1px solid var(--line); border-radius:20px; padding:18px;
    }
    .mini-card h3{margin:0 0 10px; font-size:1.05rem}
    .mini-card ul{margin:0; padding-left:18px; color:var(--muted); line-height:1.75}
    .compare-wrap{overflow-x:auto}
    table{width:100%; border-collapse:collapse; min-width:760px; background:#fff; border-radius:18px; overflow:hidden}
    th,td{padding:14px 12px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top}
    th{background:#f8fbff; font-size:.95rem}
    tr:last-child td{border-bottom:none}
    .badge{
      display:inline-flex; align-items:center; gap:6px; padding:7px 11px; border-radius:999px; font-size:.84rem; font-weight:700;
      background:rgba(34,197,94,.10); color:#166534;
    }
    .rating{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .stars{color:#f59e0b; letter-spacing:2px; font-size:1.1rem}
    .timeline{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{padding:18px; border-radius:20px; background:#fff; border:1px solid var(--line); position:relative}
    .step strong{display:inline-flex; width:34px; height:34px; border-radius:12px; align-items:center; justify-content:center; background:rgba(59,130,246,.12); color:#184ea3; margin-bottom:12px}
    .step p{margin:0; color:var(--muted); line-height:1.7}
    .tags{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:10px 14px; border:1px solid var(--line); border-radius:999px; background:#fff; color:#334155}
    .quote-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .quote{padding:18px; border-radius:20px; border:1px solid var(--line); background:#fff}
    .quote p{margin:0 0 12px; color:#334155; line-height:1.75}
    .quote .who{color:var(--muted); font-size:.92rem}
    .articles{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .article{padding:18px; border-radius:20px; background:#fff; border:1px solid var(--line)}
    .article h3{margin:0 0 10px; font-size:1.03rem}
    .article p{margin:0; color:var(--muted); line-height:1.7}
    .article a{display:inline-flex; margin-top:12px; color:#174ea6; font-weight:700}
    .form-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:16px; align-items:start}
    form{
      display:grid; gap:12px;
      background:#fff; border:1px solid var(--line); border-radius:24px; padding:20px;
    }
    input,select,textarea{
      width:100%; border:1px solid var(--line); border-radius:14px; padding:13px 14px; font:inherit; color:var(--text);
      background:#fbfdff; outline:none;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(59,130,246,.72); box-shadow:0 0 0 4px rgba(59,130,246,.10)}
    .form-note{
      background:linear-gradient(135deg,rgba(59,130,246,.10),rgba(255,122,89,.10));
      border:1px solid rgba(221,229,239,.95); border-radius:24px; padding:20px;
    }
    .form-note h3{margin:0 0 10px}
    .form-note ul{margin:0; padding-left:18px; color:var(--muted); line-height:1.8}
    details{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:14px 16px;
    }
    details + details{margin-top:10px}
    summary{cursor:pointer; font-weight:700; list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{color:var(--muted); line-height:1.8; margin:10px 0 0}
    .footer{
      margin-top:20px;
      background:#eef4ff;
      border-top:1px solid rgba(221,229,239,.95);
      color:#243041;
      padding:26px 0 22px;
    }
    .footer a{color:#1d4ed8}
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr .9fr; gap:16px}
    .footer small{color:#506072}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:40; display:grid; gap:10px;
    }
    .float-btn{
      width:52px; height:52px; border-radius:16px; border:none; display:grid; place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2)); color:#fff; box-shadow:var(--shadow); cursor:pointer;
    }
    .kefu{
      position:fixed; left:16px; bottom:16px; z-index:40; width:min(340px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:22px; box-shadow:var(--shadow); overflow:hidden;
    }
    .kefu-head{padding:14px 16px; background:linear-gradient(135deg,rgba(59,130,246,.10),rgba(139,92,246,.10)); font-weight:800}
    .kefu-body{padding:14px 16px; display:flex; gap:14px; align-items:center}
    .kefu-body img{width:88px; height:88px; object-fit:cover; border-radius:14px; border:1px solid var(--line)}
    .kefu-body p{margin:0; color:var(--muted); line-height:1.7; font-size:.93rem}
    .reveal{opacity:0; transform:translateY(18px); transition:.6s ease}
    .reveal.in{opacity:1; transform:none}
    .anchor-pad{scroll-margin-top:96px}
    .contact-list{display:grid; gap:10px; margin-top:14px}
    .contact-item{display:flex; gap:12px; align-items:flex-start; padding:12px 14px; background:#fff; border:1px solid var(--line); border-radius:16px}
    .contact-item b{display:block}
    .contact-item span{color:var(--muted); font-size:.92rem; line-height:1.6}
    .service-map{display:flex; flex-wrap:wrap; gap:10px}
    .service-map a{padding:10px 13px; border-radius:14px; background:#fff; border:1px solid var(--line); color:#334155}
    .note{
      padding:14px 16px; background:#fff7ed; border:1px solid #fed7aa; border-radius:18px; color:#7c2d12; line-height:1.75;
    }
    @media (max-width: 980px){
      .hero-grid,.form-grid,.footer-grid,.grid-4,.grid-3,.timeline,.quote-grid,.articles{grid-template-columns:1fr 1fr}
      .hero-stats{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .menu{display:none; width:100%; padding:10px 0 6px}
      .menu.open{display:flex; flex-direction:column; align-items:flex-start; gap:6px}
      .nav{flex-wrap:wrap}
      .mobile-toggle{display:inline-grid; place-items:center}
      .nav-actions{margin-left:auto}
      .hero-grid,.form-grid,.footer-grid,.grid-4,.grid-3,.timeline,.quote-grid,.articles{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:flex-start}
      .hero-panel,.section-card,.side-card{padding:20px}
      .kefu{display:none}
    }