:root{
      --bg:#f4fbf7;
      --bg2:#ffffff;
      --card:#ffffff;
      --line:#d9ece2;
      --text:#173126;
      --muted:#587164;
      --brand:#26b56a;
      --brand2:#7de3b2;
      --brand3:#dff8ea;
      --shadow:0 16px 40px rgba(25, 85, 54, .10);
      --radius:22px;
      --radius2:16px;
      --max: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(38,181,106,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(125,227,178,.18), transparent 24%),
        linear-gradient(180deg, #f7fcf9 0%, #f3fbf6 28%, #f8fcfa 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(247,252,249,.82);
      border-bottom:1px solid rgba(217,236,226,.9);
    }
    .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:40px;height:40px;object-fit:contain;border-radius:10px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand h2{margin:0;font-size:16px;line-height:1.1}
    .brand p{margin:2px 0 0;font-size:12px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px}
    .menu a:hover,.menu a.active{background:var(--brand3);color:var(--text)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 16px;border-radius:999px;border:1px solid transparent;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#1f9d5b);color:#fff;box-shadow:0 12px 26px rgba(38,181,106,.26)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(38,181,106,.32)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#b9ddca}
    .burger{display:none}
    .hero{
      padding:42px 0 22px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch
    }
    .hero-main,.hero-side,.panel,.card,.table-wrap,.faq-item,.review,.case,.article,.form-wrap{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(217,236,226,.9);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:30px;overflow:hidden;position:relative}
    .hero-main::before{
      content:"";position:absolute;inset:auto -40px -90px auto;width:220px;height:220px;border-radius:50%;
      background:radial-gradient(circle, rgba(38,181,106,.18), transparent 65%);
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--brand3);color:#167042;font-weight:700;font-size:13px}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,50px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:64ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}
    .hero-points{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:10px 12px;border-radius:999px;background:#f2fbf6;border:1px solid var(--line);font-size:13px;color:#2e5844}
    .hero-side{padding:22px;display:grid;gap:14px}
    .mini-stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#f7fcf9,#eff9f3);border:1px solid #d8ecdf}
    .mini-stat strong{display:block;font-size:28px;line-height:1;color:#1f6f49}
    .mini-stat span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6}
    .section{padding:20px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section h2{margin:0;font-size:26px;line-height:1.2}
    .section .sub{margin:0;color:var(--muted);line-height:1.7;max-width:70ch}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:18px}
    .metric strong{display:block;font-size:24px;color:#185c3a}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .card{padding:18px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .card ul{margin:0;padding-left:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#305a46}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;position:relative}
    .step .num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;margin-bottom:12px}
    .compare{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden}
    .compare th,.compare td{padding:14px 12px;border-bottom:1px solid #e5f0e8;text-align:left;font-size:14px;vertical-align:top}
    .compare th{background:#f3fbf6;color:#294d3c}
    .compare tr:last-child td{border-bottom:none}
    .score{font-size:18px;font-weight:800;color:#1f6f49}
    .ok{color:#1f6f49;font-weight:700}
    .warn{color:#9b6a12}
    .accordion{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;border:0;background:transparent;color:var(--text);padding:18px 18px;
      display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:16px;font-weight:700;text-align:left;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{padding-bottom:18px;max-height:220px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.75}
    .reviews .review{padding:18px;height:100%}
    .review .role{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--brand3);color:#1e6c48;font-size:12px;font-weight:700}
    .review p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .review .name{margin-top:14px;font-weight:800}
    .review .stars{color:#f2a91f;font-size:14px;margin-top:8px}
    .cases{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:80px 1fr;gap:14px;padding:16px;border-radius:18px;background:#f8fcf9;border:1px solid var(--line)}
    .timeline-item strong{color:#1f6f49}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article h3{font-size:17px;margin-bottom:8px}
    .article .meta{font-size:12px;color:#6b8576;margin-bottom:10px}
    .contact-grid{display:grid;grid-template-columns:1fr .82fr;gap:14px}
    .form-wrap,.panel{padding:20px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:7px}
    label{font-size:13px;font-weight:700;color:#2b4e3e}
    input,select,textarea{
      width:100%;border:1px solid #cfe3d8;border-radius:14px;background:#fff;color:var(--text);
      padding:13px 14px;font:inherit;outline:none;transition:border-color .2s, box-shadow .2s
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#7dcfa1;box-shadow:0 0 0 4px rgba(38,181,106,.12)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .aside-box{display:grid;gap:14px}
    .qrcode{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}
    .qrcode img{width:120px;height:120px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff}
    .footer{
      margin-top:26px;padding:24px 0 34px;border-top:1px solid rgba(217,236,226,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.4), rgba(244,251,247,.9))
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer h3{margin:0 0 12px;font-size:16px}
    .footer p,.footer a,.footer li{color:#4f685c;line-height:1.8;font-size:14px}
    .footer ul{margin:0;padding-left:18px}
    .copy{margin-top:16px;padding-top:16px;border-top:1px solid #dfece5;color:#60796d;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:50px;height:50px;border-radius:50%;border:1px solid #cce5d6;background:#fff;display:grid;place-items:center;
      box-shadow:0 12px 24px rgba(25,85,54,.16);cursor:pointer;color:#1f6f49;font-weight:800
    }
    .float-panel{
      position:fixed;right:16px;bottom:78px;z-index:60;width:min(300px, calc(100vw - 32px));
      background:#fff;border:1px solid #d9ece2;border-radius:20px;box-shadow:var(--shadow);padding:14px;display:none
    }
    .float-panel.open{display:block;animation:fadeUp .22s ease}
    .float-panel img{width:100%;border-radius:14px;border:1px solid var(--line)}
    .backtop{position:fixed;right:16px;bottom:134px;z-index:60;display:none}
    .backtop.show{display:grid}
    .anchor-note{color:#668073;font-size:13px}
    .table-scroll{overflow:auto}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    @keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
    @media (max-width: 980px){
      .hero-grid,.metrics,.grid-3,.grid-2,.steps,.cases,.articles,.contact-grid,.footer-grid{grid-template-columns:1fr}
      .menu{display:none}
      .burger{display:inline-flex}
      .nav-cta .btn-ghost{display:none}
      .form-row{grid-template-columns:1fr}
      .desktop-only{display:none}
      .mobile-only{display:block}
    }
    .mobile-nav{
      display:none;padding:0 0 14px
    }
    .mobile-nav.open{display:block}
    .mobile-nav .menu{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
    .mobile-nav .menu a{background:#fff;border:1px solid var(--line);text-align:center}