:root{
      --bg:#f4fbf7;
      --panel:#ffffff;
      --panel-2:#eef9f2;
      --line:#d7ebe1;
      --text:#1f2d27;
      --muted:#5f7168;
      --brand:#2d8a61;
      --brand-2:#6cc8a1;
      --brand-3:#cdeedf;
      --warn:#f3b34d;
      --shadow:0 16px 40px rgba(24,64,48,.08);
      --radius:22px;
      --radius-sm:16px;
      --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(108,200,161,.18), transparent 28%),
        radial-gradient(circle at top right, rgba(45,138,97,.10), transparent 26%),
        linear-gradient(180deg, #f7fcf9 0%, #f4fbf7 30%, #f9fcfa 100%);
    }
    a{color:var(--brand);text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(247,252,249,.82);
      border-bottom:1px solid rgba(215,235,225,.8);
    }
    .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:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px}
    .nav-links a:hover,.nav-links a:focus{background:var(--panel-2);color:var(--brand)}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .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;cursor:pointer;transition:.25s ease;
      box-shadow:none;line-height:1;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#3aa873);color:#fff;box-shadow:0 10px 24px rgba(45,138,97,.18)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(45,138,97,.24)}
    .btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
    .btn-ghost:hover{background:var(--panel-2)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
    .menu-toggle span:before,.menu-toggle span:after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
    .menu-toggle span:before{top:-6px}.menu-toggle span:after{top:6px}
    .hero{padding:42px 0 24px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch
    }
    .hero-card,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(244,251,247,.98));
      border:1px solid rgba(215,235,225,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card:before{
      content:"";position:absolute;inset:auto -10% -35% auto;width:300px;height:300px;
      background:radial-gradient(circle, rgba(108,200,161,.24), transparent 68%);
      pointer-events:none;
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#e7f7ef;color:#1f6f4c;font-size:13px;font-weight:700}
    h1{font-size:clamp(32px,5vw,54px);line-height:1.08;margin:18px 0 14px;letter-spacing:-.02em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:52ch;margin:0 0 20px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini-stat{background:#f7fcf9;border:1px solid var(--line);border-radius:18px;padding:14px}
    .mini-stat strong{display:block;font-size:18px}
    .mini-stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.5}
    .hero-side{display:grid;gap:16px}
    .side-top{padding:22px}
    .side-top h2{font-size:20px;margin:0 0 10px}
    .feature-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .feature-list li{display:flex;gap:10px;align-items:flex-start;color:var(--text);font-size:14px;line-height:1.6}
    .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));margin-top:6px;flex:0 0 auto}
    .side-bottom{padding:18px}
    .hero-home{display:inline-flex;margin-top:8px}
    section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:70ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .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{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 10px 28px rgba(31,45,39,.05);transition:.25s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(31,45,39,.09)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.72}
    .metric strong{display:block;font-size:28px;margin-bottom:6px}
    .metric span{font-size:14px;color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#eef8f2;border:1px solid #d9ecdf;font-size:13px;color:#206546}
    .compare-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid #e4f0e9;text-align:left;vertical-align:top}
    th{background:#f3fbf6;color:#234e3a;font-size:14px}
    td{color:var(--muted);font-size:14px;line-height:1.7}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#e7f7ef;color:#1f6f4c;font-weight:700;font-size:12px}
    .steps{counter-reset:step}
    .step{
      position:relative;padding:22px 20px 20px 22px;overflow:hidden
    }
    .step:before{
      counter-increment:step;content:counter(step, decimal-leading-zero);
      position:absolute;right:16px;top:14px;font-size:22px;font-weight:800;color:#cdeedf
    }
    .step h3{margin-top:0}
    .faq{display:grid;gap:12px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:0 8px 18px rgba(31,45,39,.04)
    }
    summary{
      list-style:none;cursor:pointer;padding:18px 0;font-weight:700;color:var(--text);display:flex;justify-content:space-between;gap:12px
    }
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";font-size:22px;color:var(--brand)}
    details[open] summary:after{content:"–"}
    details p{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .stars{color:#ffb23f;letter-spacing:1px}
    .article-list,.link-list{display:grid;gap:12px}
    .article-item,.link-item{
      display:flex;justify-content:space-between;gap:14px;align-items:center;
      padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)
    }
    .article-item span,.link-item span{color:var(--muted);font-size:13px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    label{font-weight:700;font-size:14px}
    input,select,textarea{
      width:100%;border:1px solid #d9e8df;border-radius:14px;background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(45,138,97,.55);box-shadow:0 0 0 4px rgba(108,200,161,.16)}
    textarea{min-height:122px;resize:vertical}
    .full{grid-column:1/-1}
    .contact-box{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .contact-card{padding:22px}
    .qr{
      display:grid;justify-items:center;gap:12px;text-align:center;padding:22px
    }
    .qr img{width:min(210px,100%);border-radius:18px;border:1px solid var(--line);background:#fff;padding:8px}
    .footer{
      margin-top:18px;padding:28px 0 36px;border-top:1px solid rgba(215,235,225,.8);
      background:linear-gradient(180deg, rgba(239,248,243,.92), rgba(244,251,247,.98));
      color:var(--text)
    }
    .footer a{color:var(--brand)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .footer small{color:var(--muted);line-height:1.8}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
      display:grid;place-items:center;color:var(--brand);font-weight:800;cursor:pointer
    }
    .float-panel{
      position:fixed;right:16px;bottom:76px;z-index:60;width:min(92vw,340px);display:none;
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden
    }
    .float-panel.open{display:block}
    .float-panel .head{padding:16px 18px;background:#f2fbf6;border-bottom:1px solid #e0eee7}
    .float-panel .body{padding:16px 18px;display:grid;gap:12px}
    .float-panel img{width:180px;border-radius:16px;border:1px solid var(--line);padding:8px;background:#fff;margin:0 auto}
    .scroll-top{display:none}
    .scroll-top.show{display:grid}
    .fade-up{opacity:0;transform:translateY(18px);transition:.55s ease}
    .fade-up.in{opacity:1;transform:translateY(0)}
    .anchor-pill{display:flex;flex-wrap:wrap;gap:10px}
    .anchor-pill a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#325246}
    .comparison-card{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .score-box{padding:22px;background:linear-gradient(135deg,#effaf4,#ffffff);border-radius:20px;border:1px solid var(--line)}
    .score-big{font-size:40px;font-weight:900;color:var(--brand);line-height:1}
    .pricing-list{display:grid;gap:10px}
    .price-row{display:flex;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    .timeline{display:grid;gap:12px}
    .time-item{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .time-item strong{color:var(--brand)}
    .muted{color:var(--muted)}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.reviews,.contact-box,.footer-grid,.comparison-card,.grid-2{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero-points{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav-actions .btn-ghost{display:none}
      .mobile-menu{display:none;padding:0 0 14px}
      .mobile-menu.open{display:block}
      .mobile-menu .nav-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}
      .mobile-menu .nav-links a{background:#fff;border:1px solid var(--line)}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation:none!important;transition:none!important}
    }