:root{
      --bg:#f5fbf6;
      --bg2:#eef7f1;
      --card:#ffffff;
      --card2:#f7fcf8;
      --text:#173126;
      --muted:#5e7468;
      --line:#d8e9de;
      --primary:#2ea36f;
      --primary2:#1f8c5c;
      --accent:#d6f4e2;
      --shadow:0 12px 30px rgba(24, 63, 43, .08);
      --shadow2:0 8px 22px rgba(24, 63, 43, .12);
      --radius:20px;
      --radius2:28px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at top left, rgba(46,163,111,.10), transparent 28%),
      radial-gradient(circle at top right, rgba(31,140,92,.08), transparent 26%),
      linear-gradient(180deg,var(--bg),#fff 42%, var(--bg2));
      color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    header{position:sticky;top:0;z-index:60;background:rgba(245,251,246,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(216,233,222,.8)}
    .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 .mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#e3f8ea,#c8efd8);display:grid;place-items:center;box-shadow:var(--shadow);overflow:hidden}
    .brand img{width:100%;height:100%;object-fit:contain}
    .brand strong{display:block;font-size:1rem;line-height:1.1}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .nav-links a{font-size:.95rem;color:#355547;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover{background:var(--accent);color:#184b31}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn,.btn-outline,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;font-weight:700;transition:.25s;border:1px solid transparent}
    .btn{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 10px 26px rgba(46,163,111,.22)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(46,163,111,.28)}
    .btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-soft{background:var(--accent);color:#1a5d3b}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{padding:44px 0 18px}
    .hero-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.form-box,.article,.case,.compare,.timeline,.network,.table-box,.pricing,.tag-cloud,.faq-wrap{background:rgba(255,255,255,.9);border:1px solid rgba(216,233,222,.95);border-radius:var(--radius2);box-shadow:var(--shadow)}
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:var(--accent);color:#1d6c44;font-weight:700;font-size:.9rem}
    h1{margin:16px 0 14px;font-size:clamp(2rem, 4vw, 3.6rem);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:1.08rem;color:var(--muted);max-width:52rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:12px;margin-top:24px}
    .mini{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7fbf8);border:1px solid var(--line)}
    .mini strong{display:block;font-size:1.02rem}
    .mini span{display:block;color:var(--muted);font-size:.92rem}
    .hero-side{padding:22px;display:grid;gap:14px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#f7fcf8,#fff);border:1px solid var(--line)}
    .stat b{display:block;font-size:1.4rem}
    .stat small{color:var(--muted)}
    .section{padding:24px 0}
    .section h2{margin:0 0 12px;font-size:clamp(1.45rem,2vw,2.2rem)}
    .section .sub{margin:0 0 20px;color:var(--muted);max-width:72rem}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{padding:20px}
    .card h3,.panel h3,.quote h3{margin:0 0 10px;font-size:1.05rem}
    .card p,.panel p,.quote p,.article p,.case p{margin:0;color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#dff6e9,#eefbf3);display:grid;place-items:center;margin-bottom:14px;font-weight:900;color:#1b6a43}
    .panel{padding:24px}
    .bullets{display:grid;gap:10px;margin:14px 0 0;padding:0;list-style:none}
    .bullets li{display:flex;gap:10px;align-items:flex-start;color:var(--text)}
    .bullets li::before{content:"";width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2));margin-top:.55em;flex:none}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#305644;font-size:.92rem}
    .timeline{padding:22px}
    .steps{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .num{width:52px;height:52px;border-radius:16px;background:var(--accent);display:grid;place-items:center;font-weight:800;color:#1b6a43}
    .compare{padding:18px;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{color:#214d38;background:#f4fbf6}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--accent);color:#1a6a43;font-weight:700;font-size:.85rem}
    .faq-wrap{padding:10px 0}
    .faq-item{margin:10px 14px;padding:0;overflow:hidden}
    .faq-q{width:100%;border:0;background:transparent;color:var(--text);font-size:1rem;font-weight:700;padding:18px 18px;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px;color:var(--muted)}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .reviews .quote{padding:20px}
    .stars{color:#1f8c5c;font-weight:900;letter-spacing:.08em}
    .case-grid,.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .case,.article{padding:18px}
    .price-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .pricing{padding:18px}
    .price{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .price strong{font-size:1.7rem}
    .form-box{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px 14px;font:inherit;color:var(--text);outline:none}
    textarea{min-height:120px;grid-column:1/-1;resize:vertical}
    .full{grid-column:1/-1}
    .footer{padding:26px 0 24px;border-top:1px solid rgba(216,233,222,.9);margin-top:20px;background:linear-gradient(180deg,#f8fcf9,#eef7f1)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
    .footer a{color:#185438}
    .float{position:fixed;right:18px;bottom:18px;z-index:70;display:grid;gap:10px}
    .float a,.float button{border:0;border-radius:999px;padding:12px 14px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:var(--shadow2);font-weight:800;cursor:pointer}
    .float .top{background:#fff;color:var(--text);border:1px solid var(--line)}
    .mobile-only{display:none}
    .fade{opacity:0;transform:translateY(14px);transition:.6s ease}
    .fade.in{opacity:1;transform:none}
    .kefu{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}
    .kefu img{width:120px;border-radius:16px;border:1px solid var(--line);background:#fff}
    .scroll-x{overflow:auto}
    @media (max-width: 1024px){
      .hero-wrap,.grid-4,.grid-3,.case-grid,.article-grid,.price-list,.footer-grid,.grid-2{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      form{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .nav-links,.nav-cta .btn-outline{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:inline-flex}
      .hero-wrap,.grid-4,.grid-3,.case-grid,.article-grid,.price-list,.footer-grid,.grid-2{grid-template-columns:1fr}
      .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.form-box,.article,.case,.compare,.timeline,.network,.table-box,.pricing,.tag-cloud,.faq-wrap{border-radius:18px}
      .hero{padding-top:18px}
      h1{font-size:2rem}
      .hero-main{padding:22px}
      .hero-actions a{flex:1 1 100%}
    }
    .mobile-nav{display:none;padding:0 0 14px}
    .mobile-nav.open{display:block}
    .mobile-nav a{display:block;padding:12px 0;border-top:1px solid var(--line);color:#24513b}
    .network,.tag-cloud{padding:18px}
    .network-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
    .network-list span{padding:12px;border-radius:14px;background:#fff;border:1px solid var(--line);text-align:center}
    @media (max-width: 720px){.network-list{grid-template-columns:repeat(2,minmax(0,1fr))}}