:root{
      --bg:#f5f8f2;
      --panel:#ffffff;
      --panel-2:#f2f8ec;
      --text:#18311f;
      --muted:#5e7064;
      --brand:#18c96e;
      --brand-2:#0ea85b;
      --line:#dce8d6;
      --shadow:0 18px 40px rgba(16, 48, 28, .08);
      --radius:20px;
      --container:1160px;
    }
    *{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,#f4fbf4 0%, #f7f9f4 22%, #f5f8f2 100%);color:var(--text)}
    a{color:inherit;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:60;background:rgba(245,248,242,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,232,214,.85)}
    .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:44px;height:44px;object-fit:contain;background:#fff;border-radius:12px;padding:6px;box-shadow:0 8px 24px rgba(24,201,110,.15)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}
    .nav-links a{padding:9px 12px;border-radius:999px;color:var(--muted);font-size:14px;transition:.25s}
    .nav-links a:hover{background:#e9f8ef;color:var(--brand-2)}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:14px;padding:12px 16px;font-weight:700;transition:.25s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 14px 30px rgba(24,201,110,.22)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    main{overflow:hidden}
    section{padding:28px 0}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-card,.panel,.card,.table-box,.faq-item,.review,.article,.timeline li,.form-box,.price-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card::before{content:"";position:absolute;inset:auto -20% -35% auto;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(24,201,110,.18),rgba(24,201,110,0) 68%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:#e9fbef;color:#137b45;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.08}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini{padding:14px;border-radius:16px;background:linear-gradient(180deg,#f8fff9,#eef9f1);border:1px solid #dcf1e1}
    .mini b{display:block;font-size:18px;margin-bottom:4px}
    .mini span{font-size:13px;color:var(--muted)}
    .side-stack{display:grid;gap:16px}
    .promo{padding:22px}
    .promo h2,.section-title h2{margin:0 0 10px;font-size:clamp(24px,3vw,34px)}
    .section-title p{margin:0;color:var(--muted);line-height:1.8}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:20px}
    .metric b{display:block;font-size:28px}
    .metric span{display:block;color:var(--muted);margin-top:8px;line-height:1.6}
    .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{padding:20px}
    .card h3{margin:8px 0 10px;font-size:18px}
    .card p,.card li,.review p,.article p,.faq-item p{color:var(--muted);line-height:1.8}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#ebf9f0;color:#15864b;font-size:12px;font-weight:700}
    .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .step{padding:18px;position:relative}
    .step .num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;margin-bottom:12px}
    .table-box{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f4fbf4}
    .highlight{color:#0f8d4d;font-weight:800}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;background:#fff;border:0;color:var(--text);font-size:16px;font-weight:700;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;padding:0 20px;transition:max-height .3s ease, padding .3s ease}
    .faq-item.active .faq-a{max-height:220px;padding:0 20px 18px}
    .reviews,.articles,.network,.timeline,.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:20px}
    .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#d8f5e2,#b6efd0);display:grid;place-items:center;font-weight:800;color:#136a3d;margin-bottom:12px}
    .article{padding:18px}
    .article a{color:var(--brand-2);font-weight:700}
    .timeline li{list-style:none;padding:18px}
    .tagcloud{display:flex;flex-wrap:wrap;gap:10px}
    .tagcloud span{padding:9px 12px;border-radius:999px;background:#f0faf3;border:1px solid #dff0e4;color:#22533a;font-size:13px}
    .form-box{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);padding:13px 14px;font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#7ed7a0;box-shadow:0 0 0 4px rgba(24,201,110,.08)}
    .footer{padding:24px 0 34px;border-top:1px solid var(--line);color:var(--muted)}
    .footer .cols{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer a{color:#20563b}
    .floating{position:fixed;right:16px;bottom:18px;z-index:70;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 18px 28px rgba(24,201,110,.26)}
    .to-top{background:#fff;color:var(--text);border:1px solid var(--line)}
    .floating-panel{position:fixed;right:16px;bottom:82px;z-index:69;display:none;width:min(92vw,320px);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:14px}
    .floating-panel img{border-radius:14px;margin-top:10px}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .scroll-reveal.in{opacity:1;transform:none}
    .note{font-size:13px;color:var(--muted)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head .section-title{max-width:780px}
    .chip{display:inline-block;padding:6px 10px;border-radius:999px;background:#edf9f1;color:#147d46;font-size:12px;font-weight:700}
    .hero-right{display:grid;gap:16px}
    .stats-card{padding:22px;background:linear-gradient(180deg,#ffffff,#f3fbf5)}
    .stats-card ul{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .stats-card li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
    .stats-card li:last-child{border-bottom:0}
    .image-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .image-grid img{border-radius:16px;border:1px solid var(--line);aspect-ratio:4/3;object-fit:cover}
    .subtle{color:var(--muted)}
    .compare-score{display:flex;align-items:center;gap:12px;margin-top:10px}
    .star{color:#ffb000;font-size:20px;letter-spacing:2px}
    @media (max-width: 1024px){
      .hero-grid,.metrics,.grid-4,.flow,.reviews,.articles,.network,.timeline,.price-grid,.footer .cols,.grid-3{grid-template-columns:repeat(2,1fr)}
      .hero-points{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 760px){
      .menu-btn{display:inline-flex}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex;flex-direction:column;align-items:stretch}
      .nav-links a{padding:12px 14px}
      .nav{position:relative}
      .nav-cta{display:none}
      .hero-grid,.metrics,.grid-4,.flow,.reviews,.articles,.network,.timeline,.price-grid,.footer .cols,.grid-3,.hero-points,form{grid-template-columns:1fr}
      .hero-card{padding:24px}
      .section-head{flex-direction:column;align-items:flex-start}
      .brand strong{font-size:16px}
    }