:root{
      --bg:#f6fbf8;
      --bg2:#eef8f2;
      --card:#ffffff;
      --line:#d9e8df;
      --text:#163126;
      --muted:#587164;
      --brand:#2fb96f;
      --brand2:#89d7a8;
      --accent:#1e8c56;
      --shadow:0 18px 40px rgba(24, 84, 53, .10);
      --radius:20px;
      --container: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",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(47,185,111,.11), transparent 28%),
        radial-gradient(circle at top right, rgba(137,215,168,.13), transparent 24%),
        linear-gradient(180deg, #f9fdfb 0%, var(--bg) 40%, #f4faf6 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(12px);
      background:rgba(246,251,248,.84);
      border-bottom:1px solid rgba(217,232,223,.85);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:12px 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-text{min-width:0}
    .brand-text strong{display:block;font-size:18px;line-height:1.15}
    .brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:10px 12px;font-size:14px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted);font-weight:600}
    .nav-links a:hover{color:var(--accent)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:13px 18px;font-weight:700;
      transition:.25s ease;cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;box-shadow:0 12px 24px rgba(47,185,111,.24)}
    .btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
    .hero{padding:38px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.review,.faq-item,.article,.form-card,.timeline-item,.price-card,.compare-box{
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(249,253,250,.96));
      border:1px solid rgba(217,232,223,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:50%;pointer-events:none;
      background:radial-gradient(circle, rgba(47,185,111,.14), rgba(47,185,111,0) 68%);
    }
    .hero-main:before{width:240px;height:240px;right:-70px;top:-60px}
    .hero-main:after{width:180px;height:180px;right:40px;bottom:-90px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#ecf8f1;color:#1e8c56;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,5vw,54px);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);line-height:1.8;font-size:16px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .mini-stat{padding:14px;border-radius:16px;background:#f7fbf9;border:1px solid var(--line)}
    .mini-stat strong{display:block;font-size:20px;color:var(--accent)}
    .mini-stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.45}
    .hero-side{padding:22px;display:grid;gap:14px;align-content:start}
    .hero-side .panel{padding:16px;border-radius:18px;background:#f8fcf9;border:1px solid var(--line)}
    .panel h3{margin:0 0 8px;font-size:16px}
    .panel ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.7}
    .stats{padding:10px 0 8px}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .stat strong{display:block;font-size:28px;color:var(--accent)}
    .stat span{display:block;color:var(--muted);margin-top:6px;line-height:1.5}
    section{padding:18px 0}
    .section-card{padding:26px}
    .section-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-end;margin-bottom:18px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:720px;line-height:1.7}
    .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:18px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.25s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 16px 26px rgba(24,84,53,.08)}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#eef8f2;border:1px solid #d8ebdf;color:#1f5f40;font-size:13px;font-weight:600}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative}
    .step .num{display:inline-flex;width:32px;height:32px;border-radius:50%;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:700;margin-bottom:12px}
    table{width:100%;border-collapse:collapse}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f1faf4;color:#234434;font-size:14px}
    td{color:var(--muted);line-height:1.65}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:18px}
    .review .role{color:#1e8c56;font-size:13px;font-weight:700}
    .stars{color:#f3b400;letter-spacing:2px;font-size:15px;margin:10px 0}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px;background:transparent;border:0;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:0 18px;color:var(--muted);line-height:1.8}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:18px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .form-card{padding:22px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;
      color:var(--text);font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:118px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#78c89c;box-shadow:0 0 0 4px rgba(47,185,111,.10)}
    label{display:block;font-size:14px;color:#355342;font-weight:700;margin:0 0 8px}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:6px}
    .footer{
      margin-top:18px;padding:24px 0 28px;border-top:1px solid rgba(217,232,223,.9);
      background:linear-gradient(180deg,#f7fbf8,#eef7f1);
      color:#244436
    }
    .footer a{color:#1e8c56}
    .footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}
    .footer small,.footer p,.footer li{color:#577163;line-height:1.8}
    .footer ul{margin:0;padding-left:18px}
    .floating{
      position:fixed;right:14px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border-radius:16px;border:1px solid var(--line);background:#fff;
      box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;color:#1f5f40;font-weight:800
    }
    .floating a:hover,.floating button:hover{transform:translateY(-2px)}
    .mobile-only{display:none}
    .image-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .image-grid img,.case-card img{width:100%;border-radius:18px;border:1px solid var(--line);object-fit:cover}
    .case-card{padding:16px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .case-card h3{margin:12px 0 8px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline-item{padding:18px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card{padding:20px}
    .highlight{color:var(--accent);font-weight:800}
    @media (max-width: 980px){
      .hero-grid,.stats-grid,.grid-3,.grid-2,.workflow,.reviews,.footer-grid,.image-grid,.timeline,.price-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .hero-grid,.stats-grid,.grid-3,.grid-2,.workflow,.reviews,.footer-grid,.image-grid,.timeline,.price-grid{grid-template-columns:1fr}
      .hero-main,.hero-side,.section-card{padding:20px}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .desktop-only{display:none}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}