:root{--bg:#f3fff7;--bg2:#ffffff;--card:#ffffff;--line:#d9efe1;--text:#173125;--muted:#587266;--brand:#2aa46c;--brand2:#1f7f58;--accent:#dff8ea;--shadow:0 18px 40px rgba(31,127,88,.12);}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:linear-gradient(180deg,var(--bg) 0%,#fff 34%,#f7fffb 100%);}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(243,255,247,.88);backdrop-filter:saturate(130%) blur(12px);border-bottom:1px solid rgba(217,239,225,.85)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 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;border:1px solid var(--line);padding:4px;box-shadow:0 8px 18px rgba(31,127,88,.08)}
    .brand strong{display:block;font-size:1.02rem}
    .brand span{display:block;font-size:.86rem;color:var(--muted)}
    .navlinks{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .navlinks a,.menu-btn,.ghost-btn,.primary-btn,.secondary-btn{border:1px solid var(--line);border-radius:999px;padding:10px 14px;background:#fff;color:var(--text);transition:.22s ease;box-shadow:0 6px 18px rgba(31,127,88,.05)}
    .navlinks a:hover,.menu-btn:hover,.ghost-btn:hover,.secondary-btn:hover{transform:translateY(-1px);border-color:#bfe6cf;box-shadow:0 14px 24px rgba(31,127,88,.11)}
    .menu-btn{display:none}
    .hero{padding:38px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.table-wrap,.form-card{background:rgba(255,255,255,.92);border:1px solid rgba(217,239,225,.9);border-radius:24px;box-shadow:var(--shadow)}
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(42,164,108,.16),rgba(42,164,108,0) 70%);pointer-events:none}
    .hero-main:before{width:280px;height:280px;right:-80px;top:-90px}
    .hero-main:after{width:180px;height:180px;right:14%;bottom:-78px}
    .kicker{display:inline-flex;gap:8px;align-items:center;padding:7px 12px;border-radius:999px;background:var(--accent);color:var(--brand2);font-weight:700;font-size:.88rem}
    h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.08;margin:16px 0 14px}
    .lead{font-size:1.05rem;color:var(--muted);line-height:1.85;max-width:62ch}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .primary-btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-color:transparent}
    .primary-btn:hover{transform:translateY(-2px);box-shadow:0 18px 30px rgba(42,164,108,.22)}
    .secondary-btn{background:#f7fffb}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .hero-badges span,.tag{background:#f4fbf7;border:1px solid var(--line);color:#244135;border-radius:999px;padding:8px 12px;font-size:.9rem}
    .hero-side{padding:18px}
    .hero-side .mini{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fbfffd,#effcf4);border:1px solid #d8eedf;margin-bottom:14px}
    .mini h3,.section-title h2{margin:0 0 10px;font-size:1.3rem}
    .mini p,.section-note{margin:0;color:var(--muted);line-height:1.75}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0 0}
    .stat{padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .stat strong{display:block;font-size:1.65rem;color:var(--brand2)}
    .stat span{color:var(--muted);font-size:.92rem}
    section{padding:18px 0}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-title p{margin:0;color:var(--muted);max-width:70ch;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,.quote,.faq-item,.panel,.form-card{padding:20px}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e7fbef,#fff);border:1px solid var(--line);margin-bottom:12px;font-size:1.2rem}
    .card h3{margin:0 0 10px}
    .card p,.card li,.quote p,.faq-item p,.panel p,.form-card p{color:var(--muted);line-height:1.75}
    .list{margin:0;padding-left:18px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#f7fffb);border:1px solid var(--line)}
    .step b{display:inline-flex;width:30px;height:30px;border-radius:999px;align-items:center;justify-content:center;background:var(--accent);color:var(--brand2);margin-bottom:12px}
    .table-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f4fbf7;color:#204033}
    .rating{font-size:1.15rem;font-weight:800;color:var(--brand2)}
    .faq-item{overflow:hidden}
    .faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;background:none;border:0;padding:0;font:inherit;color:var(--text);text-align:left;cursor:pointer}
    .faq-q span{font-weight:700}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-item.open .faq-a{max-height:220px}
    .faq-item.open .chev{transform:rotate(180deg)}
    .chev{transition:.25s ease;color:var(--brand2)}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{position:relative}
    .quote:before{content:"“";position:absolute;top:8px;right:14px;font-size:3rem;color:#d2f1df;line-height:1}
    .quote strong{display:block;margin-top:12px}
    .articles,.links{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .article{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .article small,.meta{color:var(--muted)}
    .form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:700;color:#244135}
    input,select,textarea{width:100%;border:1px solid #cfe4d7;border-radius:14px;padding:12px 14px;font:inherit;color:var(--text);background:#fff;outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:#8fd3aa;box-shadow:0 0 0 4px rgba(42,164,108,.12)}
    textarea{min-height:128px;resize:vertical}
    footer{margin-top:22px;padding:18px 0 28px;background:#eefaf2;border-top:1px solid #d7ecdf;color:#1d3429}
    footer a{color:#1f7f58}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .foot-links{display:flex;flex-wrap:wrap;gap:10px}
    .float-box{position:fixed;right:14px;bottom:14px;z-index:60;display:flex;flex-direction:column;gap:10px}
    .float-box a,.backtop{display:grid;place-items:center;min-width:46px;min-height:46px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 26px rgba(31,127,88,.22);border:0}
    .backtop{opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s ease}
    .backtop.show{opacity:1;pointer-events:auto;transform:none}
    .section-fade{opacity:0;transform:translateY(16px);transition:.6s ease}
    .section-fade.in{opacity:1;transform:none}
    .mobile-panel{display:none}
    .logo-strip{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .preview-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .preview-row img{border-radius:18px;border:1px solid var(--line);box-shadow:0 12px 22px rgba(31,127,88,.08)}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.reviews,.articles,.footer-grid,.timeline,.preview-row{grid-template-columns:1fr}
      .stats{grid-template-columns:repeat(2,1fr)}
      .navlinks{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 14px}
      .mobile-panel.open{display:block}
      .mobile-panel .navlinks{display:flex;justify-content:flex-start}
      .form{grid-template-columns:1fr}
    }