:root{
      --bg:#f5fbfb;
      --panel:#ffffff;
      --panel-2:#eef9f9;
      --text:#17313a;
      --muted:#5f727a;
      --primary:#0aa6a6;
      --primary-2:#1376d2;
      --line:#d8e7e8;
      --shadow:0 18px 40px rgba(13, 77, 87, .10);
      --shadow-soft:0 10px 24px rgba(13, 77, 87, .08);
      --radius:22px;
      --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(10,166,166,.10), transparent 26%),
        radial-gradient(circle at right 10%, rgba(19,118,210,.10), transparent 24%),
        linear-gradient(180deg, #f9fcfc 0%, #f3fbfb 52%, #f8fbfc 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}
    .site-header{
      position:sticky; top:0; z-index:40;
      backdrop-filter:blur(14px);
      background:rgba(247,252,252,.88);
      border-bottom:1px solid rgba(216,231,232,.9);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:18px;
      padding:14px 0;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px; height:42px; object-fit:contain}
    .brand h2{margin:0; font-size:16px; line-height:1.2}
    .brand p{margin:3px 0 0; font-size:12px; color:var(--muted)}
    .nav-links{display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:13px; color:#26444d; padding:8px 10px; border-radius:999px}
    .nav-links a:hover,.nav-links a:focus{background:#e8f6f7; color:#0a6f77}
    .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; font-size:14px; cursor:pointer; transition:.22s ease;
      box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-2)); color:#fff; box-shadow:0 14px 24px rgba(10,166,166,.20)}
    .btn-primary:hover{transform:translateY(-2px); box-shadow:0 18px 30px rgba(10,166,166,.24)}
    .btn-ghost{background:#fff; color:#13434e; border-color:#cfe3e4}
    .btn-ghost:hover{background:#f3fbfb; transform:translateY(-2px)}
    .menu-toggle{display:none}
    .hero{
      padding:34px 0 18px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.18fr .82fr; gap:22px; align-items:stretch;
    }
    .hero-card,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(242,250,250,.96));
      border:1px solid rgba(212,229,230,.85);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:30px; position:relative; isolation:isolate; overflow:hidden}
    .hero-card:before,.hero-card:after{
      content:""; position:absolute; border-radius:50%; filter:blur(4px); opacity:.65; pointer-events:none;
    }
    .hero-card:before{width:180px;height:180px;background:rgba(10,166,166,.12); top:-60px; right:-40px}
    .hero-card:after{width:140px;height:140px;background:rgba(19,118,210,.10); bottom:-50px; left:-20px}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      background:#e7f8f8; color:#0d7e84; border:1px solid #d1efef;
      padding:8px 12px; border-radius:999px; font-size:13px; font-weight:700;
    }
    h1{margin:16px 0 14px; font-size:clamp(31px, 4.4vw, 54px); line-height:1.08; letter-spacing:-.03em}
    .hero p{margin:0; color:var(--muted); font-size:16px; line-height:1.85}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:22px}
    .hero-points{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:24px}
    .mini-stat{background:#fff; border:1px solid #d9ebec; border-radius:18px; padding:14px}
    .mini-stat strong{display:block; font-size:22px; color:#0f5d64}
    .mini-stat span{font-size:12px; color:var(--muted)}
    .hero-side{display:grid; gap:14px}
    .side-top{padding:22px}
    .side-top h3,.section-title h2{margin:0; font-size:24px}
    .side-top p{margin:10px 0 0; color:var(--muted); line-height:1.75}
    .side-badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:16px}
    .badge{padding:8px 10px; border-radius:999px; background:#edfafa; border:1px solid #d8efef; font-size:12px; color:#16565d}
    .side-cta{padding:18px 22px; display:grid; gap:12px}
    .side-cta .contact-row{display:grid; grid-template-columns:1fr 1fr; gap:10px}
    .section{padding:22px 0}
    .section-title{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:16px}
    .section-title p{margin:0; color:var(--muted); max-width:780px; line-height:1.75}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .card{background:var(--panel); border:1px solid var(--line); border-radius:20px; box-shadow:var(--shadow-soft); padding:18px}
    .card h3,.card h4{margin:0 0 10px}
    .card p{margin:0; color:var(--muted); line-height:1.75}
    .metric{display:flex; flex-direction:column; gap:8px}
    .metric strong{font-size:28px; color:#0f5d64}
    .metric span{color:var(--muted); font-size:13px}
    .icon{
      width:40px;height:40px;border-radius:14px; display:grid; place-items:center;
      background:linear-gradient(135deg, rgba(10,166,166,.14), rgba(19,118,210,.12)); color:#0f6670; font-weight:800; margin-bottom:12px;
    }
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .pill-list,.tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .pill{padding:9px 12px; border-radius:999px; background:#effafa; border:1px solid #d9eeef; font-size:13px; color:#25505a}
    .process{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{position:relative; padding-top:16px}
    .step strong{display:inline-flex; width:34px;height:34px; border-radius:50%; align-items:center; justify-content:center; background:linear-gradient(135deg,var(--primary),var(--primary-2)); color:#fff; margin-bottom:12px}
    .compare-wrap{overflow:auto}
    table{width:100%; border-collapse:separate; border-spacing:0; min-width:760px; overflow:hidden}
    th,td{padding:14px 16px; text-align:left; border-bottom:1px solid #e1eeee; vertical-align:top}
    th{background:#eef9f9; color:#164f59; font-size:14px}
    td{background:#fff; color:#34555e}
    .highlight{background:#f2fbfb}
    .timeline{display:grid; gap:12px}
    .timeline-item{display:grid; grid-template-columns:96px 1fr; gap:14px; align-items:start; padding:16px; border-radius:18px; border:1px solid var(--line); background:linear-gradient(180deg,#fff,#f8fcfc)}
    .timeline-item time{color:#0b7d84; font-weight:800}
    .review-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .quote{position:relative}
    .quote:before{content:"“"; position:absolute; top:8px; right:14px; font-size:44px; color:#d8ecee}
    .faq details{background:#fff; border:1px solid var(--line); border-radius:18px; padding:16px 18px; box-shadow:var(--shadow-soft)}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer; list-style:none; font-weight:700; color:#1a3942}
    .faq summary::-webkit-details-marker{display:none}
    .faq details p{margin:12px 0 0; color:var(--muted); line-height:1.8}
    .articles{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .article-item{padding:18px; border:1px solid var(--line); border-radius:20px; background:linear-gradient(180deg,#fff,#f8fcfc)}
    .article-item h3{margin:0 0 10px; font-size:18px}
    .article-item .meta{font-size:12px; color:#6b7d84; margin-bottom:10px}
    .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .form-card{padding:22px}
    label{display:block; font-weight:700; font-size:13px; margin-bottom:8px; color:#23424b}
    input,select,textarea{
      width:100%; border:1px solid #cfe2e4; background:#fff; color:var(--text);
      border-radius:14px; padding:13px 14px; font:inherit; outline:none; transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:#78c9cc; box-shadow:0 0 0 4px rgba(10,166,166,.10)}
    textarea{min-height:126px; resize:vertical}
    .form-full{grid-column:1/-1}
    .footer{
      padding:24px 0 28px; margin-top:12px;
      border-top:1px solid #d8e7e8; background:#f7fcfc; color:#21414a;
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:20px}
    .footer a{color:#0c6f77}
    .footer a:hover{text-decoration:underline}
    .bottom-note{margin-top:18px; font-size:12px; color:#5f737b}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:50;
      display:grid; gap:10px;
    }
    .float-btn{
      width:52px; height:52px; border-radius:16px; display:grid; place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary-2)); color:#fff; box-shadow:var(--shadow);
      border:none; cursor:pointer;
    }
    .float-contact{
      position:fixed; right:16px; bottom:82px; z-index:49; width:min(320px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:22px; box-shadow:var(--shadow);
      padding:16px; display:none;
    }
    .float-contact.open{display:block; animation:fadeUp .22s ease}
    .float-contact h4{margin:0 0 10px}
    .float-contact .qr{display:flex; gap:12px; align-items:center}
    .float-contact .qr img{width:92px; height:92px; object-fit:cover; border-radius:16px; border:1px solid #dbe9ea}
    .float-contact p{margin:0; color:var(--muted); line-height:1.7; font-size:13px}
    .anchor-top{position:fixed; left:16px; bottom:16px; z-index:45}
    .reveal{opacity:0; transform:translateY(18px); transition:.6s ease}
    .reveal.show{opacity:1; transform:none}
    @keyframes fadeUp{from{opacity:0; transform:translateY(8px)}to{opacity:1; transform:none}}
    @media (max-width: 1024px){
      .hero-grid,.footer-grid,.grid-4,.grid-3,.review-grid,.articles,.process,.form-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav{flex-wrap:wrap}
      .menu-toggle{display:inline-flex}
      .nav-links{display:none; width:100%; padding-top:10px}
      .nav-links.open{display:flex; flex-direction:column; align-items:flex-start; gap:4px}
      .nav-actions{margin-left:auto}
      .hero-grid,.hero-points,.grid-4,.grid-3,.review-grid,.articles,.process,.form-grid,.footer-grid{grid-template-columns:1fr}
      .hero-card,.side-top,.side-cta,.card,.form-card{padding:18px}
      .section-title{flex-direction:column; align-items:flex-start}
      .timeline-item{grid-template-columns:1fr}
      table{min-width:680px}
      .side-cta .contact-row{grid-template-columns:1fr}
    }