:root{--bg:#f5f8fb;--card:#ffffff;--card2:#f8fbff;--text:#153047;--muted:#5c6f82;--line:#dbe7f2;--primary:#0b8fa8;--primary2:#2dc7c9;--accent:#1266d4;--shadow:0 12px 30px rgba(16,56,86,.08);--radius:20px;--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;background:
      radial-gradient(circle at 10% 0%, rgba(45,199,201,.10), transparent 28%),
      radial-gradient(circle at 90% 10%, rgba(18,102,212,.10), transparent 25%),
      linear-gradient(180deg,#f7fbff 0%, #f5f8fb 45%, #eef5fb 100%);color:var(--text)}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(245,248,251,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,231,242,.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;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:16px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .nav-links a{font-size:13px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{background:#e8f7fb;color:#0e5f72}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 10px 20px rgba(11,143,168,.18)}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{padding:40px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.info-card,.quote-card,.faq-item,.form-card,.review-card,.case-card,.blog-card,.timeline-card,.compare-card,.price-card{background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(248,251,255,.96));border:1px solid rgba(219,231,242,.9);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle, rgba(45,199,201,.16), transparent 60%)}
    .hero-main:before{width:280px;height:280px;right:-80px;top:-90px}
    .hero-main:after{width:200px;height:200px;right:60px;bottom:-90px}
    h1{margin:0 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:64ch;margin:0 0 22px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 22px}
    .chip{padding:8px 12px;border-radius:999px;background:#eef9fb;color:#0c667a;border:1px solid #d6f0f3;font-size:13px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
    .metric b{display:block;font-size:22px;color:#0b6b85}
    .metric span{display:block;margin-top:6px;font-size:12px;color:var(--muted);line-height:1.5}
    .hero-side{padding:22px;display:grid;gap:14px}
    .mini-visual{border-radius:18px;padding:18px;background:linear-gradient(135deg,#e9fbfb,#edf4ff);border:1px solid #d8ebf3}
    .mini-visual h3{margin:0 0 8px;font-size:18px}
    .mini-visual p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .mini-stack{display:grid;gap:12px}
    .stack-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}
    .stack-item strong{display:block;margin-bottom:6px}
    .stack-item span{color:var(--muted);font-size:13px;line-height:1.6}
    section{padding:16px 0}
    .section-card{padding:28px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:64ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .info-card,.service-card,.case-card,.review-card,.blog-card,.price-card,.compare-card,.timeline-card{padding:20px}
    .info-card h3,.service-card h3,.case-card h3,.review-card h3,.blog-card h3{margin:0 0 10px;font-size:18px}
    .info-card p,.service-card p,.case-card p,.review-card p,.blog-card p,.price-card p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#285165;font-size:13px}
    .process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;padding:18px 16px 16px 16px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .step .num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:700;margin-bottom:12px}
    .step h3{margin:0 0 8px;font-size:16px}
    .step p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f4fbfd;color:#194457;font-size:14px}
    td{font-size:14px;color:#2c4658}
    .rating{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#edf9fb;color:#0a7288;font-weight:700}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;background:#fff;border:0;font:inherit;color:var(--text);cursor:pointer;text-align:left}
    .faq-q span{font-weight:700}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.75}
    .reviews,.cases,.blogs,.prices,.timeline,.compare,.contact-grid{display:grid;gap:16px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .stars{color:#ffb34d;letter-spacing:2px}
    .case-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
    .case-badge{padding:6px 10px;border-radius:999px;background:#eef9fb;color:#0a6a80;font-size:12px}
    .blog-list{display:grid;gap:12px}
    .blog-link{padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#fff;display:flex;justify-content:space-between;gap:10px;align-items:center}
    .blog-link:hover{border-color:#bfe7ef}
    .form-card form{display:grid;gap:14px}
    .fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid #cfe0ea;background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#62c5d1;box-shadow:0 0 0 4px rgba(45,199,201,.12)}
    .contact-aside{display:grid;gap:14px}
    .qr{display:grid;place-items:center;text-align:center;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .qr img{width:180px;height:auto;border-radius:14px;border:1px solid var(--line)}
    .footer{padding:22px 0 32px;color:#214055}
    .footer-inner{padding:22px;border-radius:22px;border:1px solid var(--line);background:#fafdff;display:grid;gap:16px}
    .footer-top{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    .footer-links,.footer-meta{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .floating{position:fixed;right:16px;bottom:16px;display:grid;gap:10px;z-index:60}
    .float-btn{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#0aa4c5);color:#fff;box-shadow:0 12px 24px rgba(18,102,212,.22)}
    .scroll-top{opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .reveal.show{opacity:1;transform:translateY(0)}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px}
    .price-list{display:grid;gap:10px}
    .price-item{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    .timeline-card{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:80px 1fr;gap:12px;align-items:start;padding:12px 0;border-bottom:1px dashed #d8e6ef}
    .timeline-item:last-child{border-bottom:0;padding-bottom:0}
    .timeline-item b{color:#0b6f86}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.process{grid-template-columns:1fr 1fr}
      .grid-3,.grid-2{grid-template-columns:1fr}
      .hero-main{padding:28px}
    }
    @media (max-width: 760px){
      .nav-links{display:none}
      .nav-links.open{display:flex;position:absolute;left:16px;right:16px;top:72px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .menu-btn{display:inline-flex}
      .nav{position:relative}
      .nav-actions .btn-secondary{display:none}
      .hero-grid,.grid-4,.grid-3,.grid-2,.process,.fields{grid-template-columns:1fr}
      .hero-main,.hero-side,.section-card{padding:20px}
      .hero-metrics{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:inline-flex}
      .timeline-item{grid-template-columns:1fr}
    }