:root{
      --bg:#f5fbf7;
      --bg2:#edf8f1;
      --card:#ffffff;
      --card2:#f8fcfa;
      --line:#d6eadf;
      --text:#183028;
      --muted:#5b7269;
      --brand:#2f8f69;
      --brand2:#6bc89a;
      --brand3:#dff6e9;
      --shadow:0 18px 40px rgba(31, 86, 62, .10);
      --radius:22px;
      --container: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(107,200,154,.18), transparent 28%),
        radial-gradient(circle at top right, rgba(47,143,105,.10), transparent 24%),
        linear-gradient(180deg, #f8fcf9 0%, var(--bg) 34%, #f7fbf8 100%);
      line-height:1.7;
    }
    a{color:var(--brand);text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    header{position:sticky;top:0;z-index:40;background:rgba(245,251,247,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(214,234,223,.85)}
    .topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;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;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:18px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    nav a{font-size:14px;color:#264338;padding:7px 10px;border-radius:999px}
    nav a:hover{background:var(--brand3);color:#174433}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:10px 12px}
    .hero{padding:36px 0 16px}
    .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:stretch}
    .hero-panel,.card,.section-box,.quote,.faq-item,.review,.article,.form-wrap,.table-wrap{background:rgba(255,255,255,.82);border:1px solid rgba(214,234,223,.9);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-panel{padding:30px;position:relative;overflow:hidden}
    .hero-panel:before,.hero-panel:after{content:"";position:absolute;border-radius:999px;background:linear-gradient(135deg, rgba(107,200,154,.25), rgba(47,143,105,.03));filter:blur(2px)}
    .hero-panel:before{width:220px;height:220px;right:-60px;top:-40px}
    .hero-panel:after{width:160px;height:160px;right:70px;bottom:-40px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:var(--brand3);color:#1d5d45;font-size:13px;font-weight:700}
    h1{font-size:clamp(32px,5vw,54px);line-height:1.08;margin:14px 0 14px}
    .lead{font-size:17px;color:var(--muted);max-width:58ch}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.25s ease}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#43b07f);color:#fff;box-shadow:0 14px 28px rgba(47,143,105,.22)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .hero-side{display:grid;gap:16px}
    .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .stat{padding:20px}
    .stat strong{display:block;font-size:28px;line-height:1.1}
    .stat span{color:var(--muted);font-size:13px}
    .hero-card{padding:20px}
    .hero-card h3{margin:0 0 10px;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#f2fbf6;border:1px solid var(--line);font-size:13px;color:#2b5140}
    main{padding:10px 0 26px}
    section{padding:18px 0}
    .section-box{padding:24px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:68ch}
    .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,.review,.article{padding:18px;transition:transform .22s ease, box-shadow .22s ease}
    .card:hover,.review:hover,.article:hover,.faq-item:hover{transform:translateY(-3px)}
    .card h3,.article h3,.review h3{margin:0 0 8px;font-size:18px}
    .card p,.article p,.review p{margin:0;color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e7f9ef,#f8fffb);border:1px solid var(--line);margin-bottom:12px;color:var(--brand);font-size:20px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff, #f8fcfa);border:1px solid var(--line)}
    .step .num{font-size:13px;font-weight:700;color:var(--brand);margin-bottom:10px}
    .compare{overflow:auto;border-radius:18px}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#effaf3;font-size:14px;color:#244135}
    .rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .stars{color:#ef9f3b;letter-spacing:2px}
    .columns{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    .list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
    .list li:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--brand2);margin-top:9px;flex:0 0 auto}
    .faq{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;padding:16px 18px;border:0;background:transparent;color:var(--text);font-size:16px;font-weight:700;text-align:left;display:flex;justify-content:space-between;gap:16px}
    .faq-a{padding:0 18px 16px;color:var(--muted);display:none}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{color:var(--brand)}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .meta{font-size:13px;color:var(--brand);font-weight:700;margin-bottom:10px}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article .date{font-size:13px;color:var(--muted);margin-top:12px}
    .form-wrap{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:grid;gap:7px;font-weight:700;font-size:14px}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text);
      font:inherit;outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(47,143,105,.55);box-shadow:0 0 0 4px rgba(107,200,154,.12)}
    .form-note{color:var(--muted);font-size:13px}
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    footer{margin-top:18px;background:#eef8f1;border-top:1px solid var(--line);color:var(--text)}
    .footer{padding:24px 0}
    .footer a{color:#1d6b4d}
    .footer small,.footer p{color:var(--muted)}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-tools a,.float-tools button{width:48px;height:48px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;color:var(--brand);font-weight:800;cursor:pointer}
    .mobile-menu{display:none}
    .section-anchor{scroll-margin-top:88px}
    .note-pill{display:inline-flex;gap:8px;flex-wrap:wrap;margin-top:12px}
    .note-pill span{background:#fff;border:1px solid var(--line);padding:7px 10px;border-radius:999px;font-size:13px;color:#2f5241}
    .service-map{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .service-map .card{padding:16px}
    @media (max-width: 1024px){
      .hero-grid,.columns,.footer-top{grid-template-columns:1fr}
      .grid-4,.grid-3,.review-grid,.article-list,.steps,.service-map{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 760px){
      nav{display:none}
      .menu-btn{display:inline-flex}
      .mobile-menu{display:none;padding:0 0 14px}
      .mobile-menu.open{display:block}
      .mobile-menu a{display:block;padding:10px 0;color:var(--text);border-top:1px solid rgba(214,234,223,.7)}
      .hero{padding-top:18px}
      .hero-panel{padding:22px}
      .mini-grid,.grid-4,.grid-3,.review-grid,.article-list,.steps,.service-map,.form-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .cta-row{flex-direction:column}
      .btn{width:100%}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
    .reveal.show{opacity:1;transform:none}