:root{
      --bg:#f6fbf8;
      --bg-2:#eef7f1;
      --card:#ffffff;
      --text:#173126;
      --muted:#587064;
      --line:#dce9df;
      --green:#2f8f5b;
      --green-2:#74c69d;
      --mint:#dff4e7;
      --accent:#1f6f4a;
      --shadow:0 18px 50px rgba(23,49,38,.08);
      --radius:20px;
      --radius-sm:14px;
      --max: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(116,198,157,.16), transparent 28%),
        radial-gradient(circle at top right, rgba(47,143,91,.12), transparent 24%),
        linear-gradient(180deg,var(--bg),#ffffff 36%,var(--bg-2));
      line-height:1.7;
    }
    a{color:var(--accent);text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:30;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(246,251,248,.82);
      border-bottom:1px solid rgba(220,233,223,.75);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      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:10px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand h2{margin:0;font-size:16px;line-height:1.2}
    .brand p{margin:2px 0 0;color:var(--muted);font-size:12px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:12px}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:10px}
    .nav-links a:hover,.nav-links a:focus{background:var(--mint)}
    .hero{padding:32px 0 18px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;
    }
    .hero-copy,.panel,.card,.faq-item,.review,.article,.step,.price-box,.timeline-item,.service-node,.form-wrap,.compare-wrap,.help-box{
      background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
    }
    .hero-copy{padding:30px;position:relative;overflow:hidden}
    .hero-copy:before{
      content:"";position:absolute;inset:auto -20px -30px auto;width:180px;height:180px;border-radius:50%;
      background:radial-gradient(circle, rgba(116,198,157,.18), transparent 68%);
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);background:var(--mint);padding:8px 12px;border-radius:999px;font-weight:700}
    h1{margin:14px 0 12px;font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-.02em}
    .hero-copy p{margin:0;color:var(--muted);font-size:16px;max-width:58ch}
    .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;
      transition:.22s ease;cursor:pointer
    }
    .btn-primary{background:linear-gradient(135deg,var(--green),var(--accent));color:#fff;box-shadow:0 12px 26px rgba(47,143,91,.22)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .tag{padding:8px 11px;border-radius:999px;background:#f4faf6;border:1px solid var(--line);color:var(--text);font-size:13px}
    .hero-side{display:grid;gap:16px}
    .mini-metric{
      display:grid;grid-template-columns:repeat(2,1fr);gap:12px
    }
    .metric{padding:18px}
    .metric strong{display:block;font-size:24px;line-height:1;margin-bottom:6px}
    .metric span{color:var(--muted);font-size:13px}
    .panel{padding:20px}
    .panel h3{margin:0 0 10px;font-size:18px}
    .panel ul{margin:0;padding-left:18px;color:var(--muted)}
    .panel li{margin:8px 0}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .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,.card h4{margin:0 0 8px}
    .card p{margin:0;color:var(--muted)}
    .icon{
      width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#e7f7ee,#d2efdf);
      display:grid;place-items:center;color:var(--accent);font-weight:800;margin-bottom:14px
    }
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .pill{border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:999px;font-size:13px;color:var(--text)}
    .media-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .media-card{overflow:hidden}
    .media-card .imgbox{aspect-ratio:16/10;background:#edf5ef;border-bottom:1px solid var(--line)}
    .media-card .imgbox img{width:100%;height:100%;object-fit:cover}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{padding:18px;position:relative}
    .step .num{font-size:12px;font-weight:800;color:var(--accent);background:var(--mint);display:inline-block;padding:6px 10px;border-radius:999px;margin-bottom:10px}
    .table-wrap{overflow:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f5fbf7;font-size:14px}
    td{color:var(--muted)}
    .highlight{color:var(--accent);font-weight:700}
    .two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    .compare-wrap,.help-box,.form-wrap{padding:20px}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;border:0;background:transparent;padding:18px 18px;display:flex;justify-content:space-between;align-items:center;
      color:var(--text);font-size:16px;font-weight:700;text-align:left;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;color:var(--muted);padding:0 18px}
    .faq-item.open .faq-a{padding:0 18px 18px;max-height:220px}
    .faq-item.open .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:.2s ease}
    .reviews,.articles,.prices,.timeline,.service-network{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#d8a400;letter-spacing:1px}
    .quote{font-size:15px;color:var(--text)}
    .article a{font-weight:700;display:inline-block;margin-bottom:8px}
    .article time{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    label{font-weight:700;font-size:14px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:var(--text)
    }
    textarea{min-height:124px;resize:vertical}
    .full{grid-column:1/-1}
    .footer{padding:20px 0 26px;border-top:1px solid var(--line);margin-top:10px}
    .footer-inner{
      background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow);
      display:grid;grid-template-columns:1.2fr .8fr;gap:18px
    }
    .footer a{color:var(--accent)}
    .foot-links{display:flex;flex-wrap:wrap;gap:10px}
    .copy{color:var(--muted);font-size:13px;margin-top:12px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--green),var(--accent));
      color:#fff;display:grid;place-items:center;box-shadow:0 16px 30px rgba(31,111,74,.28);border:0
    }
    .float-panel{
      width:min(320px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow);
      display:none
    }
    .floating.open .float-panel{display:block}
    .qr{display:flex;gap:12px;align-items:center}
    .qr img{width:88px;height:88px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(18px);transition:.5s ease}
    .reveal.in{opacity:1;transform:none}
    .center{text-align:center}
    .muted{color:var(--muted)}
    .stack{display:grid;gap:12px}
    .line-list{display:grid;gap:10px}
    .line{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;border:1px dashed var(--line);border-radius:14px;background:#fbfdfb}
    .badge{font-size:12px;color:var(--accent);background:var(--mint);padding:6px 10px;border-radius:999px;font-weight:700}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.two-col,.grid-3,.grid-4,.process,.reviews,.articles,.prices,.timeline,.service-network,.footer-inner,.media-grid{grid-template-columns:1fr}
      .section-head,.nav{align-items:flex-start}
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;width:100%;padding-top:8px}
      .nav-links.show{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
      .nav{flex-wrap:wrap}
      .mobile-only{display:block}
    }