:root{
      --bg:#f5f7f2;
      --panel:#ffffff;
      --panel-2:#f0f7ef;
      --line:#dbe5d7;
      --text:#17301f;
      --muted:#5a6b5d;
      --green:#19b35f;
      --green-2:#0e8f49;
      --accent:#79ff6a;
      --warn:#dfeee0;
      --shadow:0 14px 40px rgba(23,48,31,.08);
      --radius:22px;
      --radius-sm:16px;
      --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,#eff8ef 0%,#f8faf7 22%,#f5f7f2 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}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(245,247,242,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,229,215,.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 img{width:42px;height:42px;object-fit:contain}
    .brand h2{font-size:18px;line-height:1.1;margin:0}
    .brand p{margin:3px 0 0;color:var(--muted);font-size:12px}
    .nav-links{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}
    .nav-links a,.nav-btn{padding:10px 12px;border-radius:999px;border:1px solid transparent;font-size:14px;transition:.24s ease}
    .nav-links a:hover,.nav-btn:hover{background:#eaf6eb;border-color:#cfe3d1;transform:translateY(-1px)}
    .nav-btn{background:linear-gradient(135deg,var(--green),#42d87c);color:#fff;box-shadow:0 10px 22px rgba(25,179,95,.22)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:12px}
    .hero{padding:34px 0 20px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:999px;background:radial-gradient(circle,rgba(25,179,95,.18),rgba(25,179,95,0) 70%)}
    .hero::before{width:340px;height:340px;right:-120px;top:-80px}
    .hero::after{width:260px;height:260px;left:-120px;top:120px}
    .hero-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:22px;align-items:stretch}
    .hero-card{background:linear-gradient(135deg,#effff1 0%,#ffffff 42%,#f3fbf4 100%);border:1px solid #d7ead9;border-radius:28px;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#e6f8e9;color:var(--green-2);font-weight:700;font-size:13px}
    h1{font-size:clamp(30px,4vw,52px);line-height:1.08;margin:16px 0 12px}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:60ch;margin:0 0 20px}
    .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
    .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:.24s ease}
    .btn.primary{background:linear-gradient(135deg,var(--green),#3ddf77);color:#fff;box-shadow:0 16px 32px rgba(25,179,95,.24)}
    .btn.secondary{background:#fff;border-color:#cfe1d0;color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
    .metric{background:rgba(255,255,255,.78);border:1px solid #d9eadc;border-radius:18px;padding:16px;min-height:112px}
    .metric strong{display:block;font-size:26px;line-height:1.1}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:14px;line-height:1.55}
    .hero-side{display:grid;gap:14px}
    .side-card{background:linear-gradient(180deg,#ffffff 0%,#f3fbf4 100%);border:1px solid #d8e8da;border-radius:24px;padding:20px;box-shadow:var(--shadow)}
    .side-card h3{margin:0 0 10px;font-size:18px}
    .chips{display:flex;flex-wrap:wrap;gap:8px}
    .chip{padding:8px 10px;border-radius:999px;background:#edf7ee;border:1px solid #d7ead7;color:#2d5a37;font-size:13px}
    .section{padding:22px 0}
    .section h2{font-size:28px;line-height:1.2;margin:0 0 12px}
    .section p.section-intro{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .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{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 10px 30px rgba(23,48,31,.05);transition:.24s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(23,48,31,.09)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .card ul{margin:0;padding-left:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 12px;border-radius:999px;background:#f0faf1;border:1px solid #d9ead9;font-size:13px;color:#24402c}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;padding:20px;border-radius:20px;background:linear-gradient(180deg,#fff 0%,#f6fbf6 100%);border:1px solid #dbe8db}
    .step b{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,var(--green),#37d86c);color:#fff;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 14px;border-bottom:1px solid #e6eee6;text-align:left;vertical-align:top}
    th{background:#f3fbf4;color:#23412c;font-size:14px}
    td{color:var(--muted)}
    .rating{font-weight:800;color:var(--green-2)}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 10px 24px rgba(23,48,31,.04)}
    details+details{margin-top:12px}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";float:right;color:var(--green-2)}
    details[open] summary::after{content:"－"}
    .testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{font-size:15px;line-height:1.8;color:var(--muted)}
    .quote strong{display:block;color:var(--text);margin-bottom:10px}
    .avatar{display:flex;align-items:center;gap:10px;margin-top:14px;color:var(--text);font-weight:700}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:88px 1fr;gap:12px;align-items:start;padding:16px;border:1px solid var(--line);background:#fff;border-radius:18px}
    .timeline-item time{color:var(--green-2);font-weight:800}
    .articles{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .article-item{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#f6fbf6 100%);border:1px solid var(--line)}
    .article-item a{color:var(--green-2);font-weight:700}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-weight:700;font-size:14px}
    input,select,textarea{width:100%;border:1px solid #cfded0;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:#7adf98;box-shadow:0 0 0 4px rgba(25,179,95,.12)}
    textarea{min-height:120px;resize:vertical}
    .full{grid-column:1/-1}
    .footer{margin-top:24px;padding:24px 0 30px;background:#ecf6ed;border-top:1px solid #d6e6d8;color:var(--text)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px}
    .footer a{color:#184f2b}
    .mini{color:var(--muted);font-size:14px;line-height:1.7}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{padding:12px 14px;border-radius:16px;background:linear-gradient(135deg,var(--green),#42d87c);color:#fff;box-shadow:0 14px 30px rgba(25,179,95,.25);font-weight:700}
    .return-top{background:#fff;color:var(--text);border:1px solid var(--line)}
    .hero-badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .panel-note{margin-top:14px;padding:14px 16px;border-radius:16px;background:#eff8ef;border:1px dashed #cfe3d0;color:#35503c}
    .image-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .image-card{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    .image-card img{width:100%;height:auto}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.flow,.testimonials,.articles,.footer-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav.open .nav-links{display:flex;flex-basis:100%;justify-content:flex-start;padding-top:10px}
      .nav.open{flex-wrap:wrap}
      .hero{padding-top:20px}
      .metric-grid,.form-grid,.image-row{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container),calc(100% - 22px))}
      .hero-card,.card,.side-card{padding:18px}
      h1{font-size:30px}
      .section h2{font-size:24px}
      .timeline-item{grid-template-columns:1fr}
      .actions{gap:10px}
      .btn{width:100%}
    }
    [data-reveal]{opacity:0;transform:translateY(14px);transition:.6s ease}
    [data-reveal].show{opacity:1;transform:translateY(0)}