:root{
      --bg:#f4fbf7;
      --panel:#ffffff;
      --panel-2:#f7fff9;
      --text:#163126;
      --muted:#5a6d62;
      --line:#d9eadf;
      --green:#14b86b;
      --green-2:#1fbf7a;
      --green-3:#dff8ea;
      --shadow:0 18px 45px rgba(19,70,47,.08);
      --radius:22px;
      --radius-sm:16px;
      --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 12% 8%, rgba(31,191,122,.12), transparent 22%),
      radial-gradient(circle at 88% 14%, rgba(20,184,107,.10), transparent 18%),
      linear-gradient(180deg, #f7fff9 0%, #f4fbf7 45%, #f8fcfa 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}
    .site-header{position:sticky;top:0;z-index:40;background:rgba(247,255,249,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,234,223,.85)}
    .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 .name{font-weight:800;letter-spacing:.04em}
    .brand .sub{font-size:12px;color:var(--muted);margin-top:2px}
    .logo-wrap{width:44px;height:44px;border-radius:14px;overflow:hidden;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow)}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:#274336;padding:8px 10px;border-radius:999px}
    .menu a:hover,.menu a:focus{background:var(--green-3)}
    .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;transition:.2s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--green),#29d183);color:#fff;box-shadow:0 14px 28px rgba(20,184,107,.24)}
    .btn-primary:hover{transform:translateY(-1px);filter:saturate(1.05)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#bfe7d0;transform:translateY(-1px)}
    .nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{padding:28px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-card,.side-card,.section-card,.feature-card,.review-card,.faq-item,.timeline-item,.case-card,.compare-card,.price-card,.contact-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card:before{content:"";position:absolute;inset:auto -80px -120px auto;width:260px;height:260px;background:radial-gradient(circle, rgba(31,191,122,.20), transparent 65%);pointer-events:none}
    .hero-card h1{margin:0;font-size:clamp(32px,4vw,54px);line-height:1.05;letter-spacing:-.03em}
    .hero-card .lead{margin:16px 0 0;color:var(--muted);font-size:16px;line-height:1.8;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .tag{padding:8px 12px;border-radius:999px;background:var(--green-3);color:#1f5e42;font-size:13px;font-weight:700}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#ffffff 0%, #f7fff9 100%);border:1px solid #e0eee6}
    .stat strong{display:block;font-size:24px}
    .stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5}
    .side-card{padding:22px;display:flex;flex-direction:column;gap:16px}
    .side-card .mini-title{font-size:18px;margin:0}
    .mini-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .mini-list li{display:flex;gap:10px;align-items:flex-start;color:#30483c;line-height:1.6}
    .dot{width:10px;height:10px;border-radius:999px;background:var(--green);margin-top:7px;flex:none}
    .section{padding:14px 0 28px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section h2{margin:0;font-size:clamp(24px,3vw,36px)}
    .section p.sub{margin:8px 0 0;color:var(--muted);line-height:1.8;max-width:72ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .feature-card,.case-card,.review-card,.price-card,.contact-card,.compare-card{padding:22px}
    .feature-card h3,.case-card h3,.review-card h3,.price-card h3,.contact-card h3{margin:0 0 10px;font-size:18px}
    .feature-card p,.case-card p,.review-card p,.price-card p,.contact-card p{margin:0;color:var(--muted);line-height:1.75}
    .icon-badge{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,rgba(20,184,107,.14),rgba(31,191,122,.06));display:grid;place-items:center;margin-bottom:14px;color:var(--green);font-weight:900}
    .section-card{padding:24px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff, #f7fff9);border:1px solid #e0eee6}
    .step b{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:var(--green);color:#fff;margin-bottom:12px}
    .step h3{margin:0 0 10px;font-size:17px}
    .step p{margin:0;color:var(--muted);line-height:1.7}
    .compare-table{width:100%;border-collapse:collapse;min-width:860px}
    .compare-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line)}
    .compare-table th,.compare-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    .compare-table th{background:#f3fbf6;color:#214031}
    .pill{display:inline-block;padding:6px 10px;border-radius:999px;background:var(--green-3);color:#1c5b41;font-size:12px;font-weight:700}
    .rating{font-size:30px;font-weight:900;color:#0f6d42}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;background:none;border:0;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16px;font-weight:700;color:var(--text);text-align:left;cursor:pointer}
    .faq-a{padding:0 20px 18px;color:var(--muted);line-height:1.8;display:none}
    .faq-item[open] .faq-a{display:block}
    .faq-item[open] .chev{transform:rotate(180deg)}
    .chev{transition:.2s ease}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .stars{color:#ffb800;letter-spacing:2px}
    .case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .case-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .timeline{display:grid;gap:12px}
    .timeline-item{padding:18px 20px;display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:start}
    .timeline-item .time{font-weight:800;color:#1b6b45}
    .article-list{display:grid;gap:12px}
    .article{display:flex;justify-content:space-between;gap:16px;padding:16px 18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .article span{color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a,.tag-cloud span{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#2c4a3c;font-size:13px}
    .service-net{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .net-item{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f6fdf8);border:1px solid var(--line)}
    .form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:700;font-size:14px}
    input,select,textarea{width:100%;border:1px solid #cfe2d6;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#7fd9aa;box-shadow:0 0 0 4px rgba(31,191,122,.10)}
    .footer{padding:22px 0 28px;border-top:1px solid rgba(217,234,223,.9);margin-top:18px;background:linear-gradient(180deg, rgba(247,255,249,.5), rgba(244,251,247,.95))}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px}
    .footer h3{margin:0 0 12px}
    .footer p,.footer a{color:#385245;line-height:1.8}
    .footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 14px}
    .fixed-tools{position:fixed;right:18px;bottom:18px;z-index:50;display:grid;gap:10px}
    .tool{width:48px;height:48px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;color:var(--green);font-weight:900}
    .mobile-panel{display:none}
    .fade{opacity:0;transform:translateY(16px);transition:.55s ease}
    .fade.in{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.reviews,.case-grid,.service-net,.footer-grid,.workflow{grid-template-columns:1fr}
      .hero-card{padding:26px}
      .hero-stats{grid-template-columns:1fr}
      .menu{display:none}
      .nav-toggle{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 16px}
      .mobile-panel.open{display:block}
      .mobile-panel .menu{display:grid;grid-template-columns:1fr 1fr;gap:10px;justify-content:stretch}
      .mobile-panel .menu a{background:#fff;border:1px solid var(--line);text-align:center}
      .timeline-item{grid-template-columns:1fr}
      .form{grid-template-columns:1fr}
    }