:root{
      --bg:#f5fbf7;
      --bg2:#eef8f2;
      --card:#ffffff;
      --line:#d9e9df;
      --text:#203129;
      --muted:#5f7568;
      --brand:#38b48b;
      --brand2:#8fd6bf;
      --brand3:#dff5eb;
      --accent:#1d8f6a;
      --shadow:0 14px 40px rgba(31, 77, 59, .08);
      --radius:20px;
      --radius-sm:14px;
      --container:1160px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:
      radial-gradient(circle at top left, rgba(56,180,139,.10), transparent 28%),
      radial-gradient(circle at top right, rgba(143,214,191,.14), transparent 22%),
      linear-gradient(180deg,var(--bg) 0%, #fbfefc 55%, #f7fcf9 100%);
      line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(245,251,247,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,233,223,.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;border-radius:12px;object-fit:contain;background:#fff;border:1px solid var(--line);box-shadow:0 8px 18px rgba(0,0,0,.05)}
    .brand strong{display:block;font-size:1rem;line-height:1.2}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:.95rem;color:#31473d;padding:8px 10px;border-radius:999px;transition:.25s ease}
    .navlinks a:hover,.navlinks a:focus{background:var(--brand3);color:var(--accent)}
    .nav-actions{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;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;box-shadow:0 12px 24px rgba(56,180,139,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(56,180,139,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:var(--brand);transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:12px}
    .hero{padding:34px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-card{background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(246,252,248,.98));border:1px solid rgba(217,233,223,.9);box-shadow:var(--shadow);border-radius:28px;padding:34px;position:relative;overflow:hidden}
    .hero-card::before,.hero-card::after{content:"";position:absolute;border-radius:50%;background:rgba(56,180,139,.10);filter:blur(2px)}
    .hero-card::before{width:180px;height:180px;right:-60px;top:-50px}
    .hero-card::after{width:130px;height:130px;right:18%;bottom:-48px;background:rgba(143,214,191,.16)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--brand3);color:var(--accent);padding:8px 12px;border-radius:999px;font-size:.92rem;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.5rem);line-height:1.12;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:1.04rem;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}
    .point{padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .point b{display:block;font-size:1.04rem}
    .point span{color:var(--muted);font-size:.92rem}
    .hero-side{display:grid;gap:16px}
    .side-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:22px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:18px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 10px 24px rgba(31,77,59,.05)}
    .metric strong{display:block;font-size:1.35rem}
    .metric span{color:var(--muted);font-size:.92rem}
    section{padding:24px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:1.65rem}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .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:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 28px rgba(26,71,53,.05);transition:.25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(26,71,53,.09)}
    .card h3{margin:0 0 10px;font-size:1.12rem}
    .card p,.card li{color:var(--muted)}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:var(--brand3);color:var(--accent);font-size:.82rem;font-weight:700}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#2b3f35;font-size:.92rem}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .step-num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand2),var(--brand));color:#fff;font-weight:800}
    .table-wrap{overflow-x: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;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f3fbf6;color:#23362d}
    tr:last-child td{border-bottom:none}
    .faq{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:0 8px 20px rgba(29,61,48,.04)}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{margin:12px 0 0;color:var(--muted)}
    .comments{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .comment{padding:20px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,#f7fbf9)}
    .comment .role{color:var(--accent);font-weight:800;font-size:.9rem}
    .comment p{margin:10px 0 0;color:var(--muted)}
    .article-list{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .article-item span{color:var(--muted);font-size:.92rem}
    .contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:6px}
    input,select,textarea{width:100%;padding:13px 14px;border:1px solid #cfe0d5;border-radius:14px;background:#fff;color:var(--text);font:inherit}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(56,180,139,.12)}
    .footer{padding:26px 0 20px;border-top:1px solid var(--line);margin-top:12px;background:rgba(255,255,255,.55)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer h3{margin:0 0 12px;font-size:1.06rem}
    .footer a{color:#294439}
    .footer a:hover{color:var(--accent)}
    .copyright{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}
    .float-tools{position:fixed;right:16px;bottom:16px;display:grid;gap:10px;z-index:40}
    .float-tools a,.float-tools button{width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(19,53,40,.12);cursor:pointer}
    .float-box{display:none;position:fixed;right:16px;bottom:74px;z-index:45;width:min(300px, calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:14px}
    .float-box.open{display:block}
    .qrcode{display:flex;gap:12px;align-items:center}
    .qrcode img{width:88px;height:88px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .scroll-anim{opacity:0;transform:translateY(18px);transition:.65s ease}
    .scroll-anim.in{opacity:1;transform:translateY(0)}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.contact-grid,.footer-grid,.grid-4,.grid-3,.comments,.metric-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .navlinks{display:none}
      .menu-toggle{display:inline-grid;place-items:center}
      .nav.open .navlinks{display:flex;position:absolute;left:16px;right:16px;top:74px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav{position:relative}
    }
    @media (max-width: 720px){
      .hero-grid,.contact-grid,.footer-grid,.grid-4,.grid-3,.comments,.metric-grid{grid-template-columns:1fr}
      .hero-card{padding:24px}
      h1{font-size:2.05rem}
      .section-head{flex-direction:column;align-items:flex-start}
      .article-item{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
    }