:root{
      --bg:#f6f8fc;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#17324d;
      --muted:#5d7186;
      --line:#dbe6f2;
      --brand:#2f6bff;
      --brand2:#11b6a8;
      --brand3:#ff8a4c;
      --shadow:0 18px 40px rgba(25,49,88,.08);
      --radius:20px;
      --radius2:28px;
      --container: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 top left, rgba(47,107,255,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(17,182,168,.10), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 26%, #f4f8ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(246,248,252,.82);
      border-bottom:1px solid rgba(219,230,242,.8);
    }
    .nav{
      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;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 18px rgba(47,107,255,.08)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;letter-spacing:.4px}
    .brand-text span{display:block;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:12px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted)}
    .nav-links a:hover{color:var(--brand)}
    .home-link{
      padding:10px 14px;border-radius:999px;
      background:linear-gradient(135deg,var(--brand),#5f8dff);color:#fff !important;
      box-shadow:0 10px 22px rgba(47,107,255,.22);
    }
    .hero{padding:34px 0 24px}
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch
    }
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article,.step,.quote,.contact-box,.compare{
      background:var(--card);border:1px solid rgba(219,230,242,.9);box-shadow:var(--shadow)
    }
    .hero-main{
      border-radius:var(--radius2);padding:32px;position:relative;overflow:hidden
    }
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:999px;filter:blur(0)
    }
    .hero-main:before{width:260px;height:260px;background:radial-gradient(circle, rgba(47,107,255,.16), transparent 65%);right:-90px;top:-70px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle, rgba(17,182,168,.18), transparent 62%);left:-50px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(47,107,255,.08);color:var(--brand);font-size:13px;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(30px,4.2vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;font-size:14px;
      transition:.22s ease;cursor:pointer
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#5f8dff);color:#fff;box-shadow:0 12px 22px rgba(47,107,255,.24)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn-ghost:hover,.card:hover,.review:hover,.step:hover,.article:hover,.faq-item:hover,.panel:hover{transform:translateY(-3px)}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini{
      padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line)
    }
    .mini strong{display:block;font-size:20px}
    .mini span{display:block;color:var(--muted);font-size:13px;margin-top:5px;line-height:1.5}
    .hero-side{border-radius:var(--radius2);padding:22px;display:grid;gap:14px;align-content:start}
    .side-stat{padding:16px;border-radius:18px;background:linear-gradient(135deg,rgba(47,107,255,.08),rgba(17,182,168,.08));border:1px solid rgba(47,107,255,.12)}
    .side-stat strong{display:block;font-size:22px}
    .side-stat span{display:block;color:var(--muted);font-size:13px;margin-top:6px;line-height:1.55}
    .panel{border-radius:var(--radius);padding:24px}
    .section{padding:16px 0 4px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(22px,2.6vw,34px)}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;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,.step,.review,.article,.faq-item,.compare,.contact-box,.quote,.panel{border-radius:var(--radius)}
    .card{padding:18px}
    .card h3,.step h3,.review h3,.article h3{margin:10px 0 8px;font-size:18px}
    .card p,.step p,.review p,.article p,.faq-item p,.compare p,.contact-box p{margin:0;color:var(--muted);line-height:1.75}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(47,107,255,.12),rgba(17,182,168,.12));
      color:var(--brand);font-weight:900
    }
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:13px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}
    th{background:#f7faff;color:var(--text)}
    tr:last-child td{border-bottom:none}
    .badge{
      display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;
      background:rgba(17,182,168,.10);color:#0d8f83;font-weight:700
    }
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:108px 1fr;gap:16px;align-items:start;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .timeline-item strong{color:var(--brand)}
    .compare-hero{
      display:grid;grid-template-columns:1fr 280px;gap:16px;align-items:stretch
    }
    .score{
      padding:22px;border-radius:20px;background:linear-gradient(135deg,#2f6bff,#4d87ff);color:#fff
    }
    .score .big{font-size:46px;font-weight:900;line-height:1}
    .score p{color:rgba(255,255,255,.9)}
    .faq{display:grid;gap:12px}
    .faq-item{padding:16px}
    .faq-q{width:100%;border:none;background:transparent;padding:0;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text);font-weight:700;font-size:16px;cursor:pointer}
    .faq-a{display:none;padding-top:10px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .chev{transform:rotate(180deg)}
    .chev{transition:.2s ease;color:var(--brand)}
    .reviews,.articles,.contact-grid{display:grid;gap:16px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#ffb432;letter-spacing:1px}
    .article .meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;margin-bottom:8px}
    .article a{color:var(--brand);font-weight:700}
    .form{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px
    }
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;color:var(--muted);font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);
      padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(47,107,255,.55);box-shadow:0 0 0 4px rgba(47,107,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .contact-layout{display:grid;grid-template-columns:1fr 320px;gap:16px}
    .qrcode{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid var(--line);text-align:center}
    .qrcode img{width:180px;aspect-ratio:1/1;object-fit:cover;margin:0 auto 10px;border-radius:16px}
    footer{
      margin-top:26px;padding:22px 0 26px;border-top:1px solid rgba(219,230,242,.9);
      background:#f3f7fd;color:var(--text)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:9px 12px;border:1px solid var(--line);background:#fff;border-radius:999px;color:var(--text)}
    .footer-note{color:var(--muted);font-size:13px;line-height:1.7}
    .float{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float a,.float button{
      width:48px;height:48px;border-radius:16px;border:none;display:grid;place-items:center;
      box-shadow:0 12px 28px rgba(25,49,88,.18);cursor:pointer
    }
    .float .up{background:linear-gradient(135deg,var(--brand3),#ffb36b);color:#fff}
    .float .chat{background:linear-gradient(135deg,var(--brand2),#34d3c7);color:#fff}
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    .service-map{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
    .service-map span{padding:12px;border-radius:14px;background:#fff;border:1px solid var(--line);text-align:center;font-size:13px}
    .price-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .price{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .price strong{font-size:22px;color:var(--brand)}
    .quote{padding:18px;background:linear-gradient(135deg,rgba(47,107,255,.08),rgba(255,138,76,.08))}
    @media (max-width: 1024px){
      .hero-grid,.compare-hero,.contact-layout,.footer-grid,.grid-4,.grid-3,.grid-2,.price-list,.service-map{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      .nav-links{
        display:none;position:absolute;left:16px;right:16px;top:68px;padding:14px;background:#fff;border:1px solid var(--line);
        border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start
      }
      .nav-links.open{display:flex}
      .hero-grid,.compare-hero,.contact-layout,.footer-grid,.grid-4,.grid-3,.grid-2,.price-list,.service-map,.form,.timeline-item{grid-template-columns:1fr}
      .timeline-item{gap:8px}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero-main,.hero-side{padding:20px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      h1{font-size:32px}
    }