:root{
      --bg:#f5f8f3;
      --panel:#ffffff;
      --panel-2:#f0f7ed;
      --text:#17301f;
      --muted:#5c6c61;
      --line:#dce8d7;
      --brand:#25c85f;
      --brand-2:#0d9d4e;
      --brand-3:#d8ffe4;
      --accent:#0f7f42;
      --shadow:0 18px 40px rgba(18, 74, 40, .08);
      --radius:20px;
      --radius-sm:14px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(37,200,95,.14), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(13,157,78,.12), transparent 22%),
        linear-gradient(180deg, #f6fbf4 0%, #f2f7ef 45%, #f7fbf6 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(14px);
      background: rgba(245,248,243,.82);
      border-bottom:1px solid rgba(220,232,215,.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 .mark{
      width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#7cf5a3);
      display:grid;place-items:center;box-shadow:0 12px 24px rgba(37,200,95,.22);overflow:hidden;flex:0 0 auto;
    }
    .brand .mark img{width:100%;height:100%;object-fit:cover}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;line-height:1.2}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .nav-links a{font-size:14px;color:#244131;opacity:.9}
    .nav-links a:hover{color:var(--brand-2)}
    .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;font-size:14px;
      transition:.25s ease; cursor:pointer; white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 12px 24px rgba(37,200,95,.2)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 28px rgba(37,200,95,.26)}
    .btn-ghost{background:rgba(255,255,255,.76);border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#bfe4c7;transform:translateY(-1px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{padding:34px 0 20px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;
    }
    .hero-copy,.hero-side,.panel,.section-card,.faq-item,.review,.article,.price-card,.timeline-item,.service-card,.case-card,.compare-wrap,.form-card,.network-card{
      background:var(--panel);border:1px solid rgba(220,232,215,.95);border-radius:var(--radius);box-shadow:var(--shadow);
    }
    .hero-copy{padding:30px;position:relative;overflow:hidden}
    .hero-copy::before{
      content:"";position:absolute;inset:-80px -60px auto auto;width:220px;height:220px;border-radius:50%;
      background:radial-gradient(circle, rgba(37,200,95,.18), transparent 65%);
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;background:var(--brand-3);border:1px solid #c6efd1;border-radius:999px;color:var(--accent);font-size:13px;font-weight:700}
    h1{margin:14px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:62ch}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}
    .hero-point{padding:14px;border-radius:16px;background:linear-gradient(180deg,#fbfffb,#f0f8ee);border:1px solid var(--line)}
    .hero-point strong{display:block;font-size:18px}
    .hero-point span{font-size:13px;color:var(--muted)}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
    .hero-side{padding:22px;background:linear-gradient(180deg,#ffffff,#f4fbf2)}
    .side-stat{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{
      padding:16px;border-radius:18px;background:linear-gradient(180deg,#ffffff,#f2f8ef);border:1px solid var(--line);
    }
    .stat strong{display:block;font-size:22px}
    .stat span{font-size:13px;color:var(--muted)}
    .mini-list{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .mini-list li{display:flex;gap:10px;align-items:flex-start;color:#294335}
    .dot{width:10px;height:10px;border-radius:50%;background:var(--brand);margin-top:8px;box-shadow:0 0 0 4px rgba(37,200,95,.12)}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:26px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:72ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{padding:20px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted)}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#f3faf0;border:1px solid var(--line);font-size:13px;color:#2f4b39}
    .services{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .service-card{padding:18px}
    .service-card strong{display:block;font-size:17px;margin-bottom:8px}
    .service-card ul{margin:0;padding-left:18px;color:var(--muted)}
    .process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step{padding:18px;background:linear-gradient(180deg,#fff,#f3f8ef);border-radius:18px;border:1px solid var(--line)}
    .step .num{display:inline-flex;width:32px;height:32px;border-radius:50%;align-items:center;justify-content:center;background:var(--brand);color:#fff;font-weight:800;margin-bottom:12px}
    .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:15px 14px;border-bottom:1px solid #e7efe4;text-align:left;vertical-align:top}
    th{background:#f3faf0;color:#234030;font-size:14px}
    td{color:#2f4637;font-size:14px}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e8fff0;color:#13703d;font-weight:700;font-size:12px}
    .compare-wrap{padding:22px}
    .rating-box{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:18px;border-radius:18px;background:linear-gradient(135deg,#f1fff5,#ffffff);border:1px solid var(--line);margin-bottom:16px}
    .stars{color:#10a34d;font-size:18px;letter-spacing:2px}
    .reviews,.articles,.faq-grid,.case-grid,.network-grid,.price-grid,.timeline-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review,.article,.faq-item,.case-card,.price-card,.timeline-item,.network-card{padding:18px}
    .review .who{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .review .who strong{font-size:16px}
    .review .who span{font-size:12px;color:var(--muted)}
    .quote{color:#2f4637;margin:0}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;text-align:left;background:none;border:none;padding:18px;display:flex;justify-content:space-between;gap:16px;font-size:16px;font-weight:700;color:var(--text);cursor:pointer;
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px;color:var(--muted)}
    .faq-item.open .faq-a{padding-bottom:18px;max-height:220px}
    .faq-item.open .chev{transform:rotate(180deg)}
    .chev{transition:.25s ease}
    .form-card{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-size:14px;font-weight:700;color:#294335}
    input,select,textarea{
      width:100%;border:1px solid #cfe0ca;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none;
    }
    input:focus,select:focus,textarea:focus{border-color:#82d69a;box-shadow:0 0 0 4px rgba(37,200,95,.12)}
    textarea{min-height:120px;resize:vertical}
    .foot{
      margin-top:18px;padding:20px 0 28px;border-top:1px solid #dbe8d8;background:rgba(255,255,255,.45)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#234030;font-size:13px}
    .subtle{color:var(--muted);font-size:14px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px;
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
      display:grid;place-items:center;box-shadow:0 14px 26px rgba(37,200,95,.26);border:none;cursor:pointer
    }
    .side-panel{
      position:fixed;right:16px;bottom:82px;z-index:61;width:min(320px,calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:16px;display:none;
    }
    .side-panel.open{display:block}
    .side-panel .qrcode{width:120px;height:auto;border-radius:14px;border:1px solid var(--line)}
    .anchor-space{scroll-margin-top:92px}
    .scroll-reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .scroll-reveal.show{opacity:1;transform:none}
    .mobile-only{display:none}
    .list-cols{columns:2;column-gap:18px}
    .timeline-item strong{display:block;margin-bottom:8px}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.services,.process,.reviews,.articles,.faq-grid,.case-grid,.network-grid,.price-grid,.timeline-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .nav-links,.nav-actions .btn-ghost{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:block}
      .hero{padding-top:22px}
      .hero-grid,.grid-2,.grid-3,.services,.process,.reviews,.articles,.faq-grid,.case-grid,.network-grid,.price-grid,.timeline-grid,.form-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:start}
      .list-cols{columns:1}
      h1{font-size:clamp(28px,8vw,40px)}
      .top-links{
        display:none;position:absolute;left:16px;right:16px;top:68px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)
      }
      .top-links.open{display:block}
      .top-links a{display:block;padding:10px 0;border-bottom:1px dashed #e3eee0}
      .top-links a:last-child{border-bottom:none}
    }