:root{
      --bg:#f7f4ee;
      --bg2:#fffdfa;
      --panel:#ffffff;
      --line:#e7dfd1;
      --text:#243042;
      --muted:#627086;
      --brand:#215c7a;
      --brand2:#ef7d57;
      --accent:#19a6a0;
      --shadow:0 18px 40px rgba(38,51,77,.08);
      --shadow2:0 10px 24px rgba(38,51,77,.12);
      --radius:20px;
      --radius2:28px;
      --max:1200px;
    }
    *{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 10% 10%, rgba(239,125,87,.12), transparent 22%),
        radial-gradient(circle at 90% 20%, rgba(25,166,160,.12), transparent 24%),
        linear-gradient(180deg, #fbfaf6 0%, var(--bg) 36%, #fbfaf7 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(160%) blur(12px);
      background:rgba(247,244,238,.82);
      border-bottom:1px solid rgba(231,223,209,.8);
    }
    .header-inner{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;border:1px solid var(--line)}
    .brand strong{display:block;font-size:16px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.2s}
    .nav a:hover,.nav a.active{background:rgba(33,92,122,.08);color:var(--brand)}
    .hero{padding:38px 0 20px;position:relative;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch}
    .hero-copy,.hero-aside,.card,.panel,.form-card,.review,.faq-item,.mini-stat,.price-box,.compare-box{background:var(--panel);border:1px solid rgba(231,223,209,.9);box-shadow:var(--shadow);border-radius:var(--radius2)}
    .hero-copy{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(33,92,122,.08);color:var(--brand);padding:8px 14px;border-radius:999px;font-size:13px;font-weight:600}
    h1{margin:18px 0 14px;font-size:clamp(30px,4vw,54px);line-height:1.05;letter-spacing:-.02em}
    .lead{font-size:16px;line-height:1.85;color:var(--muted);margin:0 0 22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:14px;padding:13px 18px;font-weight:700;cursor:pointer;transition:.22s;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#2a7aa3);color:#fff}
    .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--text)}
    .btn-accent{background:linear-gradient(135deg,var(--brand2),#f2a35f);color:#fff}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .hero-aside{padding:22px;display:grid;gap:14px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .mini-stat{padding:18px}
    .mini-stat b{display:block;font-size:26px;margin-bottom:6px;color:var(--brand)}
    .mini-stat span{font-size:13px;color:var(--muted);line-height:1.5}
    .floating-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{font-size:12px;padding:8px 12px;border-radius:999px;background:#f8f5ef;border:1px solid var(--line);color:var(--text)}
    .section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(22px,2.5vw,34px);line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:720px;line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{padding:22px}
    .card h3,.panel h3,.review h3{margin:0 0 10px;font-size:18px}
    .card p,.panel p,.review p{margin:0;color:var(--muted);line-height:1.8}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(33,92,122,.1),rgba(239,125,87,.12));color:var(--brand);margin-bottom:14px;font-weight:800}
    .panel{padding:24px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .list li{display:flex;gap:10px;align-items:flex-start;color:var(--text);line-height:1.7}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:none}
    .media-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .media-row img,.case-img,.article-img{width:100%;border-radius:18px;border:1px solid var(--line);background:#fff}
    .media-row img{aspect-ratio:16/10;object-fit:cover}
    .case-img{aspect-ratio:4/3;object-fit:cover;margin-bottom:14px}
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}
    th{background:#faf7f0;color:#314255;font-size:14px}
    td{color:var(--muted);font-size:14px;line-height:1.7}
    .highlight{color:var(--brand);font-weight:700}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:20px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#f2a500;letter-spacing:2px;font-size:15px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:8px 11px;border-radius:999px;background:rgba(25,166,160,.1);color:#0f6f6a;font-size:12px;font-weight:700}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{padding:18px 18px 22px;border-radius:22px;background:linear-gradient(180deg,#fff, #fcfaf6);border:1px solid var(--line);box-shadow:var(--shadow)}
    .step-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:800;margin-bottom:12px}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article{padding:18px}
    .article h3{font-size:17px;line-height:1.45;margin:0 0 10px}
    .article img{aspect-ratio:16/9;object-fit:cover;margin-bottom:14px}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;background:transparent;border:0;padding:18px 20px;color:var(--text);font-size:16px;font-weight:700;cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;padding:0 20px;color:var(--muted);line-height:1.8;transition:max-height .28s ease,padding .28s ease}
    .faq-item.open .faq-a{max-height:180px;padding:0 20px 18px}
    .faq-item.open .faq-q .chev{transform:rotate(180deg)}
    .chev{transition:.25s}
    .form-card{padding:24px}
    form{display:grid;gap:14px}
    .fields{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:13px;color:var(--muted);font-weight:600}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(33,92,122,.45);box-shadow:0 0 0 4px rgba(33,92,122,.08)}
    .footer{
      margin-top:26px;
      background:#f4efe6;
      border-top:1px solid rgba(231,223,209,.9);
      color:#324253;
    }
    .footer-inner{padding:28px 0}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .footer h3{margin:0 0 12px;font-size:18px}
    .footer p,.footer a{color:#425164;line-height:1.8}
    .footer a:hover{color:var(--brand)}
    .foot-bottom{margin-top:20px;padding-top:14px;border-top:1px solid rgba(231,223,209,.85);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#5b6778;font-size:13px}
    .fixed-tools{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .tool{width:46px;height:46px;border-radius:15px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow);cursor:pointer}
    .float-contact{
      position:fixed;left:16px;bottom:16px;z-index:60;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:12px 14px;max-width:250px
    }
    .float-contact strong{display:block;margin-bottom:6px}
    .float-contact small{color:var(--muted);line-height:1.6;display:block}
    .grid-links{display:flex;flex-wrap:wrap;gap:10px}
    .grid-links a{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#304153;font-size:13px}
    .grid-links a:hover{border-color:rgba(33,92,122,.35);color:var(--brand)}
    .note{font-size:13px;color:var(--muted);line-height:1.7}
    .section-anchor{scroll-margin-top:92px}
    .service-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-box{padding:20px}
    .price-box .money{font-size:28px;font-weight:800;color:var(--brand);margin:10px 0}
    .compare-box{padding:20px}
    .compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
    .kb{display:grid;gap:14px}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.split,.media-row,.review-grid,.timeline,.article-list,.footer-grid,.price-grid{grid-template-columns:1fr 1fr}
      .hero-copy{padding:28px}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      .nav{display:none;position:absolute;left:20px;right:20px;top:68px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:12px;justify-content:flex-start}
      .nav.open{display:flex}
      .hero-grid,.grid-3,.grid-4,.split,.media-row,.review-grid,.timeline,.article-list,.footer-grid,.price-grid,.stat-grid,.fields{grid-template-columns:1fr}
      .hero{padding-top:24px}
      .hero-copy,.hero-aside,.card,.panel,.form-card{padding:20px}
      .section-head{flex-direction:column;align-items:flex-start}
      .fixed-tools{right:12px;bottom:12px}
      .float-contact{left:12px;right:72px;max-width:none}
      .nav a{padding:10px 12px}
      .table-wrap{margin-right:-20px;margin-left:-20px;border-radius:0;border-left:0;border-right:0}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.show{opacity:1;transform:translateY(0)}