:root{
      --bg:#f4f7f1;
      --panel:#ffffff;
      --panel-2:#f8fbf5;
      --text:#1f2a23;
      --muted:#5b6a61;
      --line:#dde6db;
      --green:#15b86a;
      --green-2:#34d37f;
      --green-deep:#0d8f4f;
      --accent:#d5f7e3;
      --shadow:0 16px 40px rgba(22, 58, 37, .10);
      --shadow-soft:0 8px 24px rgba(22, 58, 37, .08);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(53, 219, 129, .14), transparent 28%),
        radial-gradient(circle at top right, rgba(20, 184, 106, .10), transparent 25%),
        linear-gradient(180deg, #f9fcf7 0%, #f2f7ef 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .topbar{
      position:sticky;top:0;z-index:40;
      backdrop-filter:saturate(140%) blur(12px);
      background:rgba(248,251,246,.86);
      border-bottom:1px solid rgba(221,230,219,.85);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:74px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{
      display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end;
      font-size:14px;color:#324039;
    }
    .nav-links a{padding:8px 0;position:relative;white-space:nowrap}
    .nav-links a::after{
      content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;border-radius:999px;background:var(--green);transition:.25s ease;
    }
    .nav-links a:hover::after,.nav-links a:focus::after{width:100%}
    .nav-cta{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:12px 18px;
      font-weight:700;font-size:14px;line-height:1;transition:.25s ease;
      cursor:pointer;user-select:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--green) 0%,var(--green-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(20,184,106,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(20,184,106,.28)}
    .btn-ghost{background:#fff;color:var(--green-deep);border-color:#bfe9cf}
    .btn-ghost:hover{background:#effbf3;transform:translateY(-1px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:12px;color:var(--text)}
    .hero{
      padding:46px 0 20px;
    }
    .hero-wrap{
      display:grid;grid-template-columns:1.3fr .9fr;gap:24px;align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.form-wrap,.info-box{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(221,230,219,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main::before{
      content:"";position:absolute;inset:auto -60px -60px auto;width:220px;height:220px;border-radius:50%;
      background:radial-gradient(circle, rgba(53, 219, 129, .18), rgba(53, 219, 129, 0) 65%);
    }
    .hero-badge{
      display:inline-flex;align-items:center;gap:8px;
      background:var(--accent);color:var(--green-deep);border:1px solid #bdeccf;
      padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700;
    }
    h1{
      margin:16px 0 14px;font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-.02em;
    }
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .point{
      background:linear-gradient(180deg,#fff 0%,#f7fbf5 100%);
      border:1px solid var(--line);border-radius:18px;padding:16px
    }
    .point strong{display:block;font-size:18px}
    .point span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.6}
    .hero-side{padding:24px;display:flex;flex-direction:column;gap:16px}
    .side-title{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .side-title h2,.section-head h2{margin:0;font-size:24px;line-height:1.2}
    .side-title small{color:var(--muted)}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .mini{
      padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .mini strong{display:block;font-size:20px;color:var(--green-deep)}
    .mini span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.55}
    .home-link{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-weight:700}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:16px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:20px}
    .metric b{display:block;font-size:28px;line-height:1;color:var(--green-deep)}
    .metric span{display:block;margin-top:10px;color:var(--muted);line-height:1.6}
    .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{padding:22px}
    .card h3{margin:0 0 10px;font-size:19px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#eefaf3;border:1px solid #caead6;color:#285440;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;position:relative}
    .step .no{display:inline-flex;width:32px;height:32px;border-radius:50%;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;font-weight:800;margin-bottom:12px}
    .step h3{margin:0 0 8px}
    .compare{overflow:auto;border-radius:var(--radius);border:1px solid var(--line);background:rgba(255,255,255,.9);box-shadow:var(--shadow-soft)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid #e6eee3;text-align:left;vertical-align:top}
    th{background:#f3fbf5;font-size:14px}
    td{color:var(--muted);line-height:1.7}
    .rating{
      display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:10px
    }
    .star{color:#f0b429;font-size:20px;letter-spacing:2px}
    .testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{padding:22px}
    .quote strong{display:block;font-size:16px}
    .quote em{display:block;color:var(--green-deep);font-style:normal;font-size:13px;margin:6px 0 12px}
    .quote p{margin:0;color:var(--muted);line-height:1.8}
    .article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .article{
      padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.25s ease
    }
    .article:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft)}
    .article a{color:var(--text);font-weight:700}
    .article small{display:block;color:var(--muted);margin-top:8px;line-height:1.65}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;text-align:left;padding:18px 20px;border:0;background:transparent;color:var(--text);
      font-size:16px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer
    }
    .faq-q span{color:var(--green-deep)}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-item.active .faq-a{max-height:220px;padding-bottom:18px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.75}
    .form-wrap{padding:24px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1 / -1}
    label{font-size:14px;font-weight:700;color:#314237}
    input,select,textarea{
      width:100%;border:1px solid #cfe0d1;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(53,219,129,.12)}
    textarea{min-height:120px;resize:vertical}
    .submit-row{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
    .note{color:var(--muted);font-size:13px;line-height:1.6}
    .footer{
      margin-top:18px;padding:28px 0 24px;background:#edf5ec;border-top:1px solid #d9e6d6;color:#22322a
    }
    .footer a{color:#115f39}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .footer h3{margin:0 0 12px;font-size:18px}
    .footer p,.footer li{color:#4c5c53;line-height:1.8}
    .footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-bottom{margin-top:16px;padding-top:14px;border-top:1px solid #d9e6d6;color:#5c6a61;font-size:13px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:50;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--green),var(--green-2));
      box-shadow:0 12px 26px rgba(20,184,106,.25);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px
    }
    .kefu{
      position:fixed;left:16px;bottom:16px;z-index:50;max-width:138px;background:#fff;border:1px solid var(--line);
      border-radius:18px;padding:10px;box-shadow:var(--shadow-soft)
    }
    .kefu img{border-radius:12px}
    .kefu small{display:block;margin-top:8px;color:var(--muted);line-height:1.4;text-align:center}
    .service-net{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .service-net .card{min-height:100%}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#395045;font-size:13px}
    .image-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .image-row img{width:100%;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
    .mobile-only{display:none}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .scroll-reveal.visible{opacity:1;transform:translateY(0)}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:flex;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .timeline-item b{min-width:64px;color:var(--green-deep)}
    .timeline-item p{margin:0;color:var(--muted);line-height:1.7}
    .tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
    .tabs .chip{cursor:pointer}
    .tabs .chip.active{background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;border-color:transparent}
    @media (max-width: 1024px){
      .hero-wrap,.grid-3,.metrics,.steps,.testimonials,.service-net{grid-template-columns:repeat(2,1fr)}
      .footer-grid,.grid-2,.image-row,.article-list{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-flex}
      .hero{padding-top:18px}
      .hero-main{padding:24px}
      .hero-points,.mini-grid,.grid-3,.metrics,.steps,.testimonials,.service-net{grid-template-columns:1fr}
      form{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .kefu{max-width:120px}
    }
    .nav-drawer{
      display:none;border-top:1px solid var(--line);background:rgba(248,251,246,.98)
    }
    .nav-drawer.open{display:block}
    .nav-drawer .container{padding:12px 20px 16px}
    .nav-drawer-links{display:flex;flex-wrap:wrap;gap:10px}
    .nav-drawer-links a,.drawer-cta a{
      display:inline-flex;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text)
    }
    .drawer-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}