:root{
      --bg:#f5f8f3;
      --panel:#ffffff;
      --panel-2:#f0f7ec;
      --text:#17301f;
      --muted:#5b6d61;
      --line:#dbe7d7;
      --brand:#35c759;
      --brand-2:#16a34a;
      --brand-3:#8ef0a1;
      --shadow:0 18px 50px rgba(24,60,35,.08);
      --radius:20px;
      --radius-sm:14px;
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(53,199,89,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(142,240,161,.16), transparent 24%),
        linear-gradient(180deg,#f8fbf6 0%, #f5f8f3 36%, #f7faf6 100%);
    }
    a{color:var(--brand-2);text-decoration:none}
    a:hover{text-decoration:underline}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    .site-header,.site-footer,.section{position:relative}
    .site-header{
      padding:18px 0 10px;
      backdrop-filter:saturate(140%) blur(10px);
      position:sticky;top:0;z-index:30;
      background:rgba(245,248,243,.78);
      border-bottom:1px solid rgba(219,231,215,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:1rem;line-height:1.2}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.95rem;color:var(--text);font-weight:600}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn,.btn-outline,.btn-ghost{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;padding:12px 18px;font-weight:700;border:1px solid transparent;
      transition:.22s ease;cursor:pointer;white-space:nowrap
    }
    .btn{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 12px 24px rgba(53,199,89,.22)}
    .btn:hover{transform:translateY(-1px);text-decoration:none;box-shadow:0 16px 28px rgba(53,199,89,.28)}
    .btn-outline{background:#fff;color:var(--brand-2);border-color:var(--line)}
    .btn-outline:hover{transform:translateY(-1px);text-decoration:none;border-color:var(--brand)}
    .btn-ghost{background:transparent;color:var(--text);border-color:transparent}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:12px}
    .hero{padding:30px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch}
    .hero-copy,.hero-side,.card,.panel,.faq-item,.quote,.step,.case,.article,.metric,.compare,.form-wrap{
      background:var(--panel);border:1px solid rgba(219,231,215,.95);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-copy{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--panel-2);color:var(--brand-2);padding:8px 12px;border-radius:999px;font-weight:700;font-size:.88rem}
    h1{font-size:clamp(2rem,4vw,3.8rem);line-height:1.05;margin:16px 0 14px}
    .hero p{color:var(--muted);font-size:1.02rem;line-height:1.8;margin:0 0 18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 20px}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
    .mini{
      padding:14px 15px;border-radius:16px;background:linear-gradient(180deg,#fff, #f4faf2);border:1px solid var(--line)
    }
    .mini b{display:block;font-size:1rem;margin-bottom:5px}
    .mini span{color:var(--muted);font-size:.92rem;line-height:1.5}
    .hero-side{padding:22px;display:grid;gap:14px;align-content:start}
    .hero-side .score{
      padding:18px;border-radius:18px;background:linear-gradient(135deg, rgba(53,199,89,.12), rgba(142,240,161,.2));
      border:1px solid rgba(53,199,89,.18)
    }
    .score strong{font-size:2rem;display:block;line-height:1}
    .score small{color:var(--muted)}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 11px;border-radius:999px;background:#f2f8f1;border:1px solid var(--line);font-size:.86rem;color:#2e513c}
    .section{padding:18px 0}
    .section h2{font-size:clamp(1.45rem,2.3vw,2.2rem);margin:0 0 10px}
    .section p.lead{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .metric{padding:18px}
    .metric strong{display:block;font-size:1.5rem;margin:5px 0}
    .metric span{color:var(--muted);line-height:1.6}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .card,.panel,.case,.article,.quote,.step,.faq-item,.compare{padding:20px}
    .card h3,.panel h3,.case h3,.article h3,.quote h3,.step h3,.compare h3{margin:0 0 10px;font-size:1.05rem}
    .card p,.panel p,.case p,.article p,.quote p,.step p,.compare p{margin:0;color:var(--muted);line-height:1.75}
    .service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .service-list .card{min-height:100%}
    .timeline{display:grid;gap:14px}
    .timeline .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
    .num{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;display:grid;place-items:center}
    .compare-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden}
    .compare-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line)}
    .compare-table th,.compare-table td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;background:#fff}
    .compare-table th{background:#eff8ec;color:#284635}
    .compare-table tr:last-child td{border-bottom:0}
    .star{color:#22a34a;font-weight:800}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .price-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .price{background:linear-gradient(180deg,#fff,#f4faf2);border:1px solid var(--line);border-radius:18px;padding:18px}
    .price strong{display:block;font-size:1.45rem;margin:8px 0}
    .quote{display:grid;gap:12px}
    .quote .who{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:#2d503c;font-weight:700}
    .tagline{font-size:.86rem;color:var(--muted)}
    .faq-item details{border-radius:16px}
    .faq-item summary{cursor:pointer;font-weight:700;list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .answer{color:var(--muted);line-height:1.8;padding-top:10px}
    .article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .article small{display:block;color:var(--brand-2);font-weight:700;margin-bottom:8px}
    .form-wrap form{display:grid;gap:14px}
    .fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-weight:700;font-size:.95rem}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text);font:inherit;outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(53,199,89,.12)}
    .contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    .contact-box{display:grid;gap:12px}
    .contact-line{padding:14px 16px;border-radius:16px;background:#f6fbf5;border:1px solid var(--line)}
    .contact-line b{display:block;margin-bottom:4px}
    .gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .gallery img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);width:100%;height:auto}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:35;display:grid;gap:10px
    }
    .floating a,.floating button{
      border:1px solid var(--line);background:#fff;color:var(--text);border-radius:999px;padding:12px 14px;box-shadow:var(--shadow);font-weight:700
    }
    .backtop{display:none}
    .site-footer{
      margin-top:12px;padding:22px 0 26px;border-top:1px solid var(--line);background:#eff7ec;color:var(--text)
    }
    .site-footer a{color:#1e7b3a}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:16px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .muted{color:var(--muted)}
    .scroll-reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .scroll-reveal.in-view{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.service-list,.split,.price-list,.contact-grid,.footer-grid,.article-list{grid-template-columns:1fr}
      .nav-links{display:none}
      .nav-links.open{display:flex;position:absolute;left:16px;right:16px;top:72px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .menu-toggle{display:inline-flex}
      .fields{grid-template-columns:1fr}
      .hero-copy{padding:24px}
      .gallery{grid-template-columns:1fr}
    }