:root{
      --bg:#f4fbf7;
      --bg2:#eef7f2;
      --card:#ffffff;
      --line:#d9e8de;
      --text:#163024;
      --muted:#5e756a;
      --brand:#18a66f;
      --brand2:#4bc7a0;
      --accent:#ffb86b;
      --shadow:0 18px 50px rgba(22,48,36,.08);
      --radius:20px;
      --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:linear-gradient(180deg,var(--bg) 0%,#ffffff 34%,var(--bg2) 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}
    header{position:sticky;top:0;z-index:30;background:rgba(244,251,247,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(217,232,222,.8)}
    .nav{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:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .menu{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.2s ease}
    .menu a:hover,.menu a:focus{background:#e7f5ee;color:var(--text)}
    .nav-cta{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:11px 16px;font-weight:700;cursor:pointer;transition:.2s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#0f8d5f);color:#fff;box-shadow:0 12px 24px rgba(24,166,111,.22)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(22,48,36,.08)}
    .toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px}
    .toggle span{display:block;width:18px;height:2px;background:var(--text);margin:3px 0;border-radius:999px}
    main{overflow:hidden}
    section{padding:56px 0}
    .hero{padding:44px 0 30px;position:relative}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#e7f8ef;color:#0f8357;border:1px solid #ccebdc;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(32px,4.6vw,56px);line-height:1.06;letter-spacing:-.02em}
    .lead{font-size:18px;line-height:1.8;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 20px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
    .mini{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:18px;padding:14px 14px 12px;box-shadow:var(--shadow)}
    .mini b{display:block;font-size:18px;margin-bottom:4px}
    .mini span{font-size:13px;color:var(--muted);line-height:1.5}
    .hero-panel{background:linear-gradient(180deg,#ffffff 0%,#f7fbf9 100%);border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow)}
    .hero-panel-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}
    .chip{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#0f8357;background:#e8f8ef;border:1px solid #cfe9dd;border-radius:999px;padding:7px 10px}
    .panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px}
    .stat strong{display:block;font-size:28px;line-height:1;color:#10261d}
    .stat span{display:block;font-size:13px;color:var(--muted);margin-top:7px;line-height:1.5}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,36px)}
    .section-head p{margin:0;color:var(--muted);max-width:60ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 10px 30px rgba(22,48,36,.05);transition:.22s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(22,48,36,.10)}
    .card h3,.card h4{margin:0 0 10px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;gap:10px;flex-wrap:wrap}
    .tag{padding:9px 12px;border-radius:999px;background:#f2faf5;border:1px solid #d8ebe0;color:#1c4a37;font-size:13px}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step{position:relative}
    .step::after{content:"";position:absolute;top:30px;right:-10px;width:20px;height:2px;background:linear-gradient(90deg,var(--brand),transparent)}
    .step:last-child::after{display:none}
    .step-num{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,#dff7ea,#bdeed4);display:grid;place-items:center;font-weight:800;color:#0d6946;margin-bottom:12px}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f4fbf7;color:#173225;font-size:14px}
    td{color:var(--muted);font-size:14px;line-height:1.7}
    .highlight{color:#0e7e54;font-weight:800}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq .answer{color:var(--muted);padding-top:10px;line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
    .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#e5f8ee,#beeed2);display:grid;place-items:center;font-weight:800;color:#0f6e49}
    .stars{color:#f2a93b;letter-spacing:2px;margin:10px 0 0}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article a{display:inline-flex;margin-top:12px;color:#0f8357;font-weight:700}
    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    label{font-size:14px;font-weight:700;color:#244132}
    input,select,textarea{width:100%;border:1px solid #cfe1d6;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:#7fd6af;box-shadow:0 0 0 4px rgba(24,166,111,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    footer{padding:24px 0 30px;border-top:1px solid var(--line);background:#f7fbf9;color:var(--text)}
    footer a{color:#0e7e54}
    .floating{position:fixed;right:18px;bottom:18px;z-index:40;display:grid;gap:10px}
    .floating a,.floating button{width:48px;height:48px;border:none;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#0f8d5f);color:#fff;box-shadow:0 12px 28px rgba(24,166,111,.25);cursor:pointer}
    .topline{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
    .topline small{color:var(--muted)}
    .mobile-menu{display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.form-grid,.split{grid-template-columns:1fr}
      .grid-4,.grid-3,.workflow,.reviews,.articles{grid-template-columns:repeat(2,minmax(0,1fr))}
      .menu{display:none}
      .toggle{display:inline-grid}
      .mobile-menu{display:none;grid-template-columns:1fr;gap:8px;padding:0 0 16px}
      .mobile-menu.open{display:grid}
      .step::after{display:none}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container),calc(100% - 24px))}
      section{padding:46px 0}
      .grid-4,.grid-3,.workflow,.reviews,.articles{grid-template-columns:1fr}
      .panel-grid{grid-template-columns:1fr}
      .nav{padding:12px 0}
      .brand strong{font-size:16px}
      .lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .section-head{flex-direction:column;align-items:start}
    }