:root{
      --bg:#f5fff6;
      --bg2:#eefaf0;
      --card:#ffffff;
      --card2:#f7fff9;
      --text:#17301d;
      --muted:#5b6f61;
      --brand:#39d353;
      --brand2:#16b36b;
      --line:#d8eadc;
      --shadow:0 14px 36px rgba(18, 86, 34, .08);
      --shadow2:0 10px 24px rgba(25, 109, 49, .12);
      --radius:22px;
      --radius2:16px;
      --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 12% 10%, rgba(57,211,83,.12), transparent 24%),
        radial-gradient(circle at 88% 14%, rgba(22,179,107,.10), transparent 22%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 44%, #f3fff5 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 18px}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(216,234,220,.9);
    }
    .header-inner{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 .logo-wrap{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#d9ffe0,#ffffff);border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow)}
    .brand .logo-wrap img{width:28px;height:28px;object-fit:contain}
    .brand .text{min-width:0}
    .brand strong{display:block;font-size:1.02rem;line-height:1.1}
    .brand span{display:block;font-size:.84rem;color:var(--muted);margin-top:3px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:.94rem;color:#274131;padding:10px 10px;border-radius:10px;transition:.25s ease}
    .nav a:hover,.nav a:focus{background:#eaf8ee;color:#0d5f2b}
    .nav .cta{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow2);padding:10px 14px}
    .mobile-panel{display:none;border-top:1px solid var(--line);padding:10px 0 16px}
    .mobile-panel .nav{justify-content:flex-start}
    .hero{padding:30px 0 16px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:stretch}
    .hero-copy,.hero-aside,.section-card,.info-card,.metric,.feature,.review,.faq-item,.news-item,.timeline-item,.contact-card,.compare-card,.table-card,.tag-cloud,.price-card,.network-card,.form-card{
      background:var(--card);
      border:1px solid rgba(216,234,220,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-copy{padding:32px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#e8fbee;color:#0d5f2b;font-size:.88rem;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:1.06rem;line-height:1.8;color:#365042;max-width:42em;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease;
      cursor:pointer
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:#fff;color:#20512d;border-color:var(--line)}
    .hero-aside{padding:22px;background:linear-gradient(180deg,#ffffff 0%,#f6fff8 100%)}
    .mini-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .mini-title h2,.section-head h2{font-size:1.35rem;margin:0}
    .mini-title p,.section-head p{margin:8px 0 0;color:var(--muted);line-height:1.75}
    .kpi-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}
    .metric{padding:16px;background:linear-gradient(180deg,#ffffff,#f6fff8)}
    .metric strong{display:block;font-size:1.3rem}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:.9rem;line-height:1.5}
    .floating-note{margin-top:14px;padding:14px 16px;border-radius:18px;background:#effbf1;border:1px dashed #bfe7c5;color:#2b5838;line-height:1.7}
    .section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
    .section-head .desc{max-width:58ch}
    .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}
    .info-card,.feature,.review,.news-item,.timeline-item,.contact-card,.compare-card,.table-card,.network-card,.price-card,.tag-cloud,.form-card{padding:20px}
    .icon-badge{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e8fbee,#f6fff8);border:1px solid var(--line);margin-bottom:14px;color:#0d7a38;font-weight:800}
    .feature h3,.info-card h3,.compare-card h3,.price-card h3,.network-card h3{margin:0 0 10px;font-size:1.08rem}
    .feature p,.info-card p,.review p,.news-item p,.timeline-item p,.compare-card p,.price-card p,.network-card p,.table-card p{margin:0;color:var(--muted);line-height:1.75}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:9px 12px;border-radius:999px;background:#f1fbf3;border:1px solid #d7efdb;color:#244230;font-size:.92rem}
    .section-surface{background:linear-gradient(180deg,#ffffff 0%,#f7fff8 100%);border-top:1px solid rgba(216,234,220,.7);border-bottom:1px solid rgba(216,234,220,.7)}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .timeline-item{position:relative}
    .timeline-item strong{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:#e8fbee;color:#0d7a38;margin-bottom:14px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 14px;border-bottom:1px solid #ebf3ed;text-align:left;vertical-align:top}
    th{background:#effbf1;color:#244230;font-size:.95rem}
    tr:hover td{background:#fbfffc}
    details{border-top:1px solid #e2eee4;padding:14px 0}
    details:first-of-type{border-top:none}
    summary{cursor:pointer;list-style:none;font-weight:700;color:#203c28}
    summary::-webkit-details-marker{display:none}
    .faq-item p{margin-top:10px}
    .review-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
    .stars{color:#17a94b;letter-spacing:2px;font-size:1rem}
    .comment-meta{font-size:.9rem;color:var(--muted);margin-top:12px}
    .news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .news-item .date{display:inline-block;margin-bottom:10px;color:#0b7b38;font-weight:700;font-size:.9rem}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:10px 12px;border-radius:999px;background:#f2fbf4;border:1px solid #d8eadc;color:#22412d;font-size:.92rem}
    .compare-highlight{background:linear-gradient(135deg,#effbf1,#ffffff)}
    .rating{display:flex;align-items:center;gap:12px;margin:14px 0 0}
    .rating strong{font-size:1.5rem;color:#0b7b38}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field label{font-weight:700;font-size:.95rem}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid #cfe3d2;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    .field textarea{min-height:120px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#83d99b;box-shadow:0 0 0 4px rgba(57,211,83,.12)}
    .full{grid-column:1/-1}
    .contact-stack{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    .qrcode{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
    .qrcode img{width:132px;height:132px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff}
    footer{margin-top:20px;background:#effbf1;border-top:1px solid #d7eadb;color:#21412d}
    .footer-inner{padding:22px 0;display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .footer-inner a{color:#0d6b36}
    .footer-bottom{padding:0 0 18px;color:#4e6657;font-size:.92rem}
    .float-tools{position:fixed;right:16px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
      display:grid;place-items:center;color:#0c6c36;cursor:pointer
    }
    .scroll-top{display:none}
    .reveal{opacity:0;transform:translateY(16px);transition:all .7s ease}
    .reveal.visible{opacity:1;transform:none}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.timeline,.news-list,.contact-stack,.footer-inner{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
      .nav-toggle{display:inline-grid;place-items:center}
      .nav{display:none}
      .mobile-panel.show{display:block}
      .mobile-only{display:block}
      .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width: 640px){
      .hero-copy,.hero-aside{padding:22px}
      h1{font-size:1.9rem}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .kpi-grid,.form-grid{grid-template-columns:1fr}
      .qrcode{align-items:flex-start}
      .qrcode img{width:112px;height:112px}
      .float-tools{right:12px;bottom:12px}
    }