:root{
      --bg:#f5fbf7;
      --bg2:#eef8f2;
      --card:#ffffff;
      --line:#d8e9de;
      --text:#173024;
      --muted:#577064;
      --brand:#2fa66a;
      --brand2:#7bd9a7;
      --brand3:#1f7d53;
      --shadow:0 12px 32px rgba(27,79,53,.08);
      --radius:20px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#f7fcf8 0%,#f2fbf5 44%,#ffffff 100%);color:var(--text)}
    a{color:var(--brand3);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(247,252,248,.88);backdrop-filter:blur(10px);border-bottom:1px solid rgba(216,233,222,.8)}
    .topbar{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 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:4px}
    nav ul{display:flex;flex-wrap:wrap;gap:14px;list-style:none;padding:0;margin:0;align-items:center}
    nav a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px}
    nav a:hover,nav a:focus{background:#e7f6ee;color:var(--brand3)}
    .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:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;box-shadow:0 10px 24px rgba(47,166,106,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(47,166,106,.28)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn-ghost:hover{border-color:#b9dec6;transform:translateY(-2px)}
    .menu-btn{display:none}
    .hero{padding:46px 0 24px;position:relative;overflow:hidden}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(6px);pointer-events:none}
    .hero:before{width:240px;height:240px;background:radial-gradient(circle,rgba(123,217,167,.45),transparent 68%);right:-70px;top:0}
    .hero:after{width:180px;height:180px;background:radial-gradient(circle,rgba(47,166,106,.2),transparent 70%);left:-60px;bottom:0}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-copy{padding:18px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#e9f8ef;color:var(--brand3);border:1px solid #cfe8d8;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(34px,5vw,56px);line-height:1.05;margin:18px 0 14px;letter-spacing:-.02em}
    .lead{font-size:18px;line-height:1.8;color:var(--muted);margin:0 0 22px;max-width:640px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
    .mini{background:rgba(255,255,255,.72);border:1px solid rgba(216,233,222,.95);border-radius:16px;padding:14px;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%,#f5fbf7 100%);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
    .hero-panel h3{margin:0 0 10px;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#eef9f2;border:1px solid #d5ecde;color:#285842;font-size:13px}
    .hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
    .stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}
    .stat strong{display:block;font-size:22px}
    .stat small{color:var(--muted)}
    section{padding:22px 0}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-title h2{margin:0;font-size:28px}
    .section-title p{margin:0;color:var(--muted);max-width:720px;line-height:1.7}
    .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{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(27,79,53,.12);border-color:#bfe2cb}
    .card h3,.card h4{margin:0 0 10px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .metric{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .metric strong{font-size:30px}
    .metric i{font-style:normal;color:var(--brand3);font-weight:700}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .steps{counter-reset:step}
    .step{display:flex;gap:14px}
    .step:before{counter-increment:step;content:counter(step);width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#dff6e8,#bff0d1);color:var(--brand3);display:grid;place-items:center;font-weight:800;flex:none}
    .step + .step{margin-top:14px;padding-top:14px;border-top:1px dashed #d9eadf}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 16px;border-bottom:1px solid #e7efe9;text-align:left;vertical-align:top}
    th{background:#eff9f2;color:#1f3b2e;font-size:14px}
    td{color:var(--muted)}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#eef9f2;color:var(--brand3);font-size:12px;font-weight:700}
    .list{display:grid;gap:10px}
    .list a{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
    .list a:hover{border-color:#bfe2cb}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{position:relative}
    .quote:before{content:"“";position:absolute;right:16px;top:10px;font-size:46px;color:#c8e7d5}
    .quote .meta{margin-top:16px;color:var(--text);font-weight:700}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 16px;box-shadow:var(--shadow)}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq .answer{padding:0 0 16px;color:var(--muted);line-height:1.8}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:14px;font-weight:700;margin:0 0 8px;color:#244235}
    input,select,textarea{width:100%;border:1px solid #cfe1d6;border-radius:14px;padding:13px 14px;background:#fff;color:var(--text);font:inherit;outline:none;transition:border-color .2s,box-shadow .2s}
    input:focus,select:focus,textarea:focus{border-color:#87d0a4;box-shadow:0 0 0 4px rgba(47,166,106,.12)}
    textarea{min-height:124px;resize:vertical}
    .form-wide{grid-column:1/-1}
    footer{margin-top:18px;background:#eef8f2;border-top:1px solid var(--line);color:#234035}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px;padding:22px 0}
    .footer-grid a{color:#234035}
    .footer-grid p,.footer-grid li{color:#456456;line-height:1.75}
    .footer-grid ul{margin:0;padding-left:18px}
    .fine{border-top:1px solid #d8e9de;padding:14px 0;color:#5d776a;font-size:13px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
    .float-box{position:fixed;right:16px;bottom:16px;z-index:80;display:flex;flex-direction:column;gap:10px}
    .float-box a,.float-box button{width:52px;height:52px;border-radius:50%;border:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;box-shadow:0 12px 24px rgba(47,166,106,.25);cursor:pointer}
    .float-box a:hover,.float-box button:hover{transform:translateY(-2px)}
    .panel-images{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .panel-images img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/10;object-fit:cover}
    .support-grid{display:grid;grid-template-columns:1fr .9fr;gap:16px;align-items:start}
    .note{padding:14px 16px;border-left:4px solid var(--brand);background:#f2fbf5;border-radius:14px;color:#38594a}
    .anchors{display:flex;flex-wrap:wrap;gap:10px}
    .anchors a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .scroll-reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .scroll-reveal.show{opacity:1;transform:none}
    @media (max-width: 1024px){
      .hero-grid,.split,.support-grid,.footer-grid,.quote-grid,.grid-4{grid-template-columns:1fr 1fr}
      .grid-3{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .menu-btn{display:inline-flex}
      nav{display:none;position:absolute;left:0;right:0;top:100%;background:#f7fcf8;border-bottom:1px solid var(--line);padding:12px 16px}
      nav.open{display:block}
      nav ul{flex-direction:column;align-items:flex-start;gap:6px}
      .topbar{position:relative}
      .nav-cta{display:none}
      .hero{padding-top:28px}
      .hero-grid,.hero-points,.hero-stats,.grid-3,.grid-4,.split,.quote-grid,.support-grid,.footer-grid,.form-grid,.panel-images{grid-template-columns:1fr}
      .section-title{align-items:flex-start;flex-direction:column}
      .lead{font-size:16px}
    }