:root{
      --bg:#f5faf4;
      --panel:#ffffff;
      --panel-2:#f0fbf2;
      --text:#173018;
      --muted:#5c6f5f;
      --line:#d7ead8;
      --green:#19c15b;
      --green-2:#0ea84b;
      --accent:#c8ff5f;
      --shadow:0 18px 40px rgba(16, 65, 26, .10);
      --radius:20px;
      --radius-sm:14px;
      --max:1200px;
    }
    *{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;
      background:
        radial-gradient(circle at top left, rgba(25,193,91,.08), transparent 30%),
        radial-gradient(circle at top right, rgba(200,255,95,.12), transparent 26%),
        linear-gradient(180deg, #f8fff7 0%, #f4fbf4 40%, #f7faf7 100%);
      color:var(--text);
      line-height:1.7;
    }
    a{color:inherit;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:40;
      backdrop-filter: blur(14px);
      background:rgba(248,255,247,.82);
      border-bottom:1px solid rgba(215,234,216,.85);
    }
    .header-inner{
      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 .ai-page-logo{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:6px}
    .brand-txt{min-width:0}
    .brand-txt strong{display:block;font-size:16px;letter-spacing:.5px}
    .brand-txt span{display:block;color:var(--muted);font-size:12px}
    .nav-wrap{display:flex;align-items:center;gap:14px}
    .nav-toggle{
      display:none;border:1px solid var(--line);background:#fff;color:var(--text);
      border-radius:12px;padding:10px 12px;font-weight:700;cursor:pointer;
      box-shadow:0 8px 18px rgba(16,65,26,.06);
    }
    .nav{
      display:flex;align-items:center;gap:16px;flex-wrap:wrap;
    }
    .nav a{
      color:var(--muted);font-size:14px;font-weight:600;
      padding:8px 0;position:relative;
    }
    .nav a::after{
      content:"";position:absolute;left:0;bottom:2px;width:100%;height:2px;border-radius:999px;
      background:linear-gradient(90deg,var(--green),var(--accent));transform:scaleX(0);transform-origin:left;transition:.25s;
    }
    .nav a:hover{color:var(--text)}
    .nav a:hover::after{transform:scaleX(1)}
    .home-btn{
      display:inline-flex;align-items:center;gap:8px;
      background:linear-gradient(135deg,var(--green),var(--green-2));
      color:#fff;padding:11px 16px;border-radius:14px;font-weight:800;
      box-shadow:0 14px 28px rgba(25,193,91,.25);
      transition:transform .2s ease, box-shadow .2s ease;
      white-space:nowrap;
    }
    .home-btn:hover{transform:translateY(-1px);box-shadow:0 18px 34px rgba(25,193,91,.30)}
    .hero{
      padding:34px 0 18px;
    }
    .hero-card{
      position:relative;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96) 0%, rgba(240,251,242,.96) 55%, rgba(255,255,255,.92) 100%);
      border:1px solid rgba(215,234,216,.95);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:30px;
    }
    .hero-card::before,
    .hero-card::after{
      content:"";position:absolute;border-radius:999px;pointer-events:none;
      background:radial-gradient(circle, rgba(25,193,91,.22), transparent 65%);
      filter:blur(4px);
    }
    .hero-card::before{width:240px;height:240px;right:-80px;top:-70px}
    .hero-card::after{width:180px;height:180px;left:-60px;bottom:-60px;background:radial-gradient(circle, rgba(200,255,95,.18), transparent 68%)}
    .hero-grid{
      position:relative;display:grid;grid-template-columns:1.35fr .85fr;gap:24px;align-items:center;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:var(--panel-2);color:var(--green-2);
      border:1px solid var(--line);font-size:13px;font-weight:700;
    }
    h1{
      margin:14px 0 12px;
      font-size:clamp(30px, 4vw, 52px);
      line-height:1.08;
      letter-spacing:-.02em;
    }
    .lead{color:var(--muted);font-size:16px;max-width:60ch;margin:0 0 22px}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:14px;padding:13px 18px;font-weight:800;border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      cursor:pointer;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--green),var(--green-2));
      color:#fff;box-shadow:0 14px 26px rgba(25,193,91,.24);
    }
    .btn-secondary{
      background:#fff;color:var(--text);border-color:var(--line);
    }
    .btn:hover{transform:translateY(-1px)}
    .hero-meta{
      display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px;
    }
    .mini-stat{
      background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:16px;padding:14px;
    }
    .mini-stat strong{display:block;font-size:20px;color:var(--green-2)}
    .mini-stat span{font-size:12px;color:var(--muted)}
    .hero-side{
      display:grid;gap:12px;
    }
    .hero-points{
      background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:20px;padding:18px;
    }
    .hero-points h2,.section-title h2{margin:0 0 10px;font-size:24px;line-height:1.2}
    .check-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
    .check-list li{
      display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px;
    }
    .check-list i{
      flex:0 0 20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--accent));
      display:inline-flex;align-items:center;justify-content:center;color:#0f401f;font-style:normal;font-weight:900;font-size:12px;
      margin-top:2px;
    }
    .section{padding:18px 0}
    .section-title{
      display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:16px
    }
    .section-title p{margin:0;color:var(--muted);max-width:72ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .card{
      background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;
      box-shadow:0 10px 24px rgba(18,55,22,.05);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(18,55,22,.08);border-color:#bfe5c2}
    .stat-card strong{display:block;font-size:26px;margin-bottom:6px;color:var(--green-2)}
    .stat-card span{color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;color:#24502b;font-size:13px;font-weight:700}
    .service-list{display:grid;gap:12px}
    .service-item{
      padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #f7fcf8);border:1px solid var(--line)
    }
    .service-item h3{margin:0 0 8px;font-size:18px}
    .service-item p{margin:0;color:var(--muted);font-size:14px}
    .timeline{display:grid;gap:12px}
    .step{
      display:grid;grid-template-columns:70px 1fr;gap:14px;align-items:start;
      background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:18px;padding:16px;
    }
    .step-num{
      width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--green),var(--accent));
      color:#10351d;font-weight:900;display:flex;align-items:center;justify-content:center;
    }
    .step h3{margin:0 0 6px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 10px 22px rgba(18,55,22,.05)}
    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:#f3fbf4;color:#214527;font-size:14px}
    td{color:var(--muted);font-size:14px}
    .highlight{color:var(--green-2);font-weight:800}
    .rating-box{
      background:linear-gradient(135deg,#f7fff8,#eefbf0);border:1px solid #cde9cf;border-radius:22px;padding:20px;
    }
    .rating-top{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:flex-start}
    .stars{color:#15ab4f;font-size:22px;letter-spacing:2px}
    .score{font-size:34px;font-weight:900;color:var(--green-2);line-height:1}
    .review-card{display:grid;gap:10px}
    .review-head{display:flex;justify-content:space-between;gap:12px;align-items:center}
    .review-name{font-weight:800}
    .review-role{color:var(--muted);font-size:12px}
    .quote{color:var(--text);margin:0}
    .article-list{display:grid;gap:12px}
    .article{
      display:flex;justify-content:space-between;gap:16px;align-items:center;
      padding:16px;border-radius:16px;border:1px solid var(--line);background:#fff;
    }
    .article strong{display:block;margin-bottom:4px}
    .article span{color:var(--muted);font-size:13px}
    .article em{font-style:normal;color:var(--green-2);font-weight:800;white-space:nowrap}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
    }
    .faq-q{
      width:100%;padding:16px 18px;background:transparent;border:0;color:var(--text);font-weight:800;
      display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;text-align:left;
    }
    .faq-q span{font-size:18px}
    .faq-a{display:none;padding:0 18px 16px;color:var(--muted);font-size:14px}
    .faq-item.active .faq-a{display:block}
    .faq-item.active .faq-icon{transform:rotate(45deg)}
    .faq-icon{transition:transform .2s ease;color:var(--green-2);font-size:22px}
    .form-card form{display:grid;gap:12px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    label{display:block;font-size:13px;font-weight:700;color:#244025;margin-bottom:6px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px 14px;
      font:inherit;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:#97dc9f;box-shadow:0 0 0 4px rgba(25,193,91,.10)}
    textarea{min-height:128px;resize:vertical}
    .form-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .note{color:var(--muted);font-size:13px}
    .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}
    .contact-box{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;
    }
    .qr{
      display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;
    }
    .qr img{width:120px;height:120px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff}
    .footer{
      margin-top:18px;padding:22px 0 28px;background:#edf8ef;border-top:1px solid var(--line);color:#214427;
    }
    .footer a{color:#174c2b}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    .footer small{color:#4f6a53}
    .bottom-links{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px;
    }
    .floating a,.floating button{
      border:0;border-radius:16px;padding:12px 14px;font-weight:800;cursor:pointer;
      box-shadow:0 14px 26px rgba(16,65,26,.15);
    }
    .floating .kefu{background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff}
    .floating .top{background:#fff;color:var(--text);border:1px solid var(--line)}
    .modal{
      position:fixed;inset:0;background:rgba(13,34,15,.45);display:none;align-items:center;justify-content:center;
      z-index:60;padding:16px;
    }
    .modal.active{display:flex}
    .modal-card{
      width:min(460px,100%);background:#fff;border-radius:22px;padding:18px;border:1px solid var(--line);box-shadow:var(--shadow)
    }
    .modal-card .close{
      float:right;border:0;background:#edf8ef;color:var(--text);border-radius:10px;padding:8px 10px;cursor:pointer;
    }
    .modal-card h3{margin:0 0 12px}
    .modal-card img{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);margin-top:8px}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:all .55s ease}
    .scroll-reveal.show{opacity:1;transform:none}
    .service-network{
      display:grid;grid-template-columns:repeat(5,1fr);gap:12px
    }
    .network-item{padding:14px;background:#fff;border:1px solid var(--line);border-radius:16px;text-align:center;font-weight:700;color:#27472a}
    .price-list{display:grid;gap:12px}
    .price-item{display:flex;justify-content:space-between;gap:14px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .price-item strong{display:block}
    .price-item span{color:var(--muted);font-size:13px}
    .compare-list{display:grid;gap:12px}
    .compare-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
    .compare-cell{padding:14px;border-radius:16px;border:1px solid var(--line);background:#fff}
    .compare-cell b{display:block;margin-bottom:6px}
    .compare-cell p{margin:0;color:var(--muted);font-size:14px}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.contact-grid,.footer-grid,.service-network,.compare-row{grid-template-columns:1fr 1fr}
      .hero-meta{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      .nav{
        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;gap:8px;
      }
      .nav.show{display:flex}
      .header-inner{position:relative}
      .hero-card{padding:20px}
      .hero-grid,.grid-4,.grid-3,.grid-2,.contact-grid,.footer-grid,.service-network,.compare-row,.form-grid{grid-template-columns:1fr}
      .section-title{flex-direction:column;align-items:flex-start}
      .qr{grid-template-columns:1fr}
      .qr img{width:140px;height:140px}
      table{min-width:640px}
    }