:root{
      --bg:#f6fbf6;
      --panel:#ffffff;
      --panel-2:#f1fff2;
      --line:#d9ead9;
      --text:#18301f;
      --muted:#5b6d5f;
      --brand:#17b35f;
      --brand-2:#0a8f46;
      --brand-3:#e6fff0;
      --accent:#12a84e;
      --shadow:0 18px 40px rgba(14, 87, 44, .10);
      --shadow-soft:0 8px 24px rgba(14, 87, 44, .08);
      --radius:20px;
      --radius-sm:14px;
      --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(23,179,95,.08), transparent 22%),
        radial-gradient(circle at 90% 0%, rgba(18,168,78,.08), transparent 20%),
        linear-gradient(180deg, #f7fff8 0%, #f4faf5 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--max)); margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(246,251,246,.82);
      border-bottom:1px solid rgba(217,234,217,.7);
    }
    .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:44px;height:44px;object-fit:contain;background:#fff;border-radius:12px;padding:6px;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
    .brand h2{margin:0;font-size:18px;line-height:1.1}
    .brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
    .nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .nav-links a,.nav-links button{
      border:1px solid transparent;background:transparent;color:var(--text);
      padding:9px 12px;border-radius:999px;font-size:14px;cursor:pointer;transition:.2s ease;
    }
    .nav-links a:hover,.nav-links button:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow-soft);transform:translateY(-1px)}
    .nav-cta{background:linear-gradient(135deg,var(--brand),var(--brand-2)) !important;color:#fff !important;border-color:transparent !important}
    .menu-toggle{display:none}
    main{padding:18px 0 0}
    section{scroll-margin-top:92px}
    .hero{
      padding:34px 0 16px;
      position:relative;
    }
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-copy,.hero-side,.card,.panel,.faq-item,.review,.article,.quote,.timeline li,.pricing{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(217,234,217,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .hero-copy{padding:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--brand-3);color:var(--brand-2);font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(30px,4.6vw,54px);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);margin:0 0 20px;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:13px 18px;border-radius:14px;border:1px solid var(--line);font-weight:700;
      transition:.22s ease;background:#fff;cursor:pointer;
    }
    .btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent;box-shadow:0 12px 26px rgba(23,179,95,.25)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
    .metric{padding:16px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .metric b{display:block;font-size:24px;line-height:1;color:var(--brand-2)}
    .metric span{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.5}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-panel{padding:18px;border-radius:18px;background:linear-gradient(180deg,#ffffff,#f6fff7);border:1px solid var(--line)}
    .side-panel h3{margin:0 0 10px;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#effaf0;border:1px solid #d9ead9;font-size:13px;color:#2b5a36}
    .section-title{display:flex;flex-direction:column;gap:8px;margin:34px 0 16px}
    .section-title h2{margin:0;font-size:clamp(24px,3vw,34px);line-height:1.15}
    .section-title p{margin:0;color:var(--muted);line-height:1.75}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:20px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .steps{counter-reset:step}
    .step{position:relative;padding-left:58px}
    .step:before{
      counter-increment:step;content:counter(step);
      position:absolute;left:20px;top:20px;width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:700;
    }
    .compare-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f3fbf4;font-size:14px}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e9fff0;color:#137441;font-size:12px;font-weight:700}
    .highlight{color:var(--brand-2);font-weight:700}
    .panel{padding:20px}
    .panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .panel-head h3{margin:0;font-size:18px}
    .timeline{list-style:none;padding:0;margin:0;display:grid;gap:12px}
    .timeline li{padding:16px 16px 16px 18px;border-left:4px solid var(--brand);border-radius:14px}
    .timeline b{display:block;margin-bottom:6px}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;padding:18px 18px;border:0;background:transparent;color:var(--text);
      font-size:16px;font-weight:700;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .review strong{font-size:15px}
    .stars{color:#f2b01e;letter-spacing:1px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article time{display:inline-block;margin-bottom:8px;color:var(--brand-2);font-weight:700;font-size:13px}
    .article h3{margin:0 0 10px;font-size:18px}
    .article a.more{display:inline-flex;margin-top:10px;color:var(--brand-2);font-weight:700}
    .form-wrap{display:grid;grid-template-columns:1fr .9fr;gap:16px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;padding:13px 14px;border:1px solid #cfe1cf;border-radius:14px;background:#fff;color:var(--text);
      font:inherit;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,179,95,.12)}
    textarea{min-height:120px;resize:vertical}
    .contact-box{padding:20px;background:linear-gradient(180deg,#f7fff8,#fff);border:1px solid var(--line);border-radius:var(--radius)}
    .contact-box .qr{width:180px;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#fff;margin-top:10px}
    .contact-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .contact-list li{padding:12px 14px;border-radius:14px;background:#f6fbf6;border:1px solid var(--line);color:var(--muted)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border-radius:50%;border:0;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow);cursor:pointer
    }
    footer{margin-top:28px;padding:22px 0 30px;border-top:1px solid var(--line);background:#f3fbf4;color:#274030}
    footer a{color:#1a7d43}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:16px;align-items:start}
    .footer-grid h3{margin:0 0 12px;font-size:16px}
    .footer-grid p,.footer-grid li{margin:0;color:#4d6653;line-height:1.8}
    .footer-grid ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .collapse{display:none}
    .scroll-reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
    .scroll-reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.form-wrap,.grid-3,.grid-2,.reviews,.articles,.footer-grid{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav-links.mobile-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);flex-direction:column;align-items:stretch
      }
      .nav-links.mobile-open a,.nav-links.mobile-open button{justify-content:flex-start}
      .hero-copy{padding:22px}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 22px, var(--max))}
      .metric-grid{grid-template-columns:1fr}
      h1{font-size:clamp(28px,10vw,40px)}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .contact-box .qr{width:100%}
      table{min-width:720px}
    }