:root{
      --bg:#f5faf3;
      --bg2:#eef7ea;
      --card:#ffffff;
      --line:#d8ead1;
      --text:#16311f;
      --muted:#5d7266;
      --brand:#20c05c;
      --brand2:#0c8f3c;
      --accent:#8bf06d;
      --shadow:0 18px 50px rgba(20,78,38,.10);
      --shadow2:0 10px 24px rgba(20,78,38,.12);
      --radius:22px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(32,192,92,.12), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(139,240,109,.16), transparent 24%),
        linear-gradient(180deg,var(--bg) 0%, #fbfef8 52%, #f7fbf5 100%);
    }
    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:40;
      backdrop-filter:blur(14px);
      background:rgba(245,250,243,.82);
      border-bottom:1px solid rgba(216,234,209,.9);
    }
    .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 img{width:42px;height:42px;object-fit:contain}
    .brand b{display:block;font-size:16px;letter-spacing:.5px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .navlinks{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}
    .navlinks a{
      padding:9px 12px;border:1px solid transparent;border-radius:999px;
      color:#214232;font-size:14px;
    }
    .navlinks a:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow2)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:12px 16px;font-weight:700;
      transition:.25s ease;cursor:pointer;white-space:nowrap;
    }
    .btn-primary{
      color:#073016;background:linear-gradient(135deg,var(--accent),var(--brand));
      box-shadow:0 14px 28px rgba(32,192,92,.24);
    }
    .btn-secondary{
      color:var(--brand2);background:#fff;border:1px solid var(--line);
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .menu-toggle{
      display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--text)
    }

    .hero{padding:40px 0 22px}
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch
    }
    .hero-copy{
      padding:30px;border-radius:30px;background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(237,248,232,.9));
      border:1px solid rgba(216,234,209,.95);
      box-shadow:var(--shadow);
      position:relative;overflow:hidden;
    }
    .hero-copy:before,.hero-copy:after{
      content:"";position:absolute;border-radius:50%;filter:blur(0px);pointer-events:none
    }
    .hero-copy:before{width:220px;height:220px;right:-70px;top:-70px;background:radial-gradient(circle, rgba(32,192,92,.20), transparent 65%)}
    .hero-copy:after{width:160px;height:160px;left:-50px;bottom:-50px;background:radial-gradient(circle, rgba(139,240,109,.18), transparent 65%)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;
      background:#e9f9eb;color:#0c7e33;font-weight:700;font-size:13px;border:1px solid #cfe8d3
    }
    h1{margin:16px 0 12px;font-size:clamp(32px,5vw,56px);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0;color:#355042;font-size:17px;line-height:1.9;max-width:42em}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .meta-row{display:flex;flex-wrap:wrap;gap:10px}
    .meta-pill{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#315042;font-size:13px
    }
    .hero-panel{
      padding:22px;border-radius:30px;background:linear-gradient(180deg,#16311f,#1a4729 100%);
      color:#ecfff1;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden
    }
    .hero-panel:before{
      content:"";position:absolute;inset:auto -40px -50px auto;width:220px;height:220px;border-radius:50%;
      background:radial-gradient(circle, rgba(139,240,109,.24), transparent 62%)
    }
    .panel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;position:relative}
    .panel-card{
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
      border-radius:18px;padding:14px;min-height:96px
    }
    .panel-card strong{display:block;font-size:22px;margin-bottom:4px}
    .panel-card span{display:block;font-size:13px;line-height:1.6;color:#ccead5}
    .panel-note{
      position:relative;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);line-height:1.7;color:#eaffef
    }

    section{padding:22px 0}
    .section-head{margin-bottom:16px}
    .section-head h2{margin:0 0 8px;font-size:clamp(24px,3vw,36px)}
    .section-head p{margin:0;color:var(--muted);line-height:1.8}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .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{
      background:var(--card);border:1px solid rgba(216,234,209,.95);
      border-radius:var(--radius);box-shadow:var(--shadow);padding:20px
    }
    .stat{display:flex;flex-direction:column;gap:8px}
    .stat strong{font-size:32px;color:var(--brand2)}
    .stat span{color:var(--muted);line-height:1.7}
    .service-card h3,.case-card h3,.review-card h3,.faq-item summary,.article-card h3{margin:0 0 8px;font-size:18px}
    .service-card p,.case-card p,.review-card p,.article-card p,.faq-item p{margin:0;color:var(--muted);line-height:1.8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:10px 14px;border-radius:999px;background:#f0f9ec;border:1px solid #d7ead1;color:#224333;font-size:14px
    }

    .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .step{
      background:linear-gradient(180deg,#fff, #f7fbf5);border:1px solid var(--line);border-radius:18px;padding:18px;position:relative
    }
    .step .num{
      width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;
      background:linear-gradient(135deg,var(--accent),var(--brand));color:#083017;margin-bottom:12px
    }
    .step p{margin:0;color:var(--muted);line-height:1.7}
    .table-wrap{overflow-x:auto;border-radius:22px;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 #e8efe5;text-align:left;vertical-align:top}
    th{background:#f1faef;color:#18412a;font-size:15px}
    td{color:#335040;line-height:1.7}
    .highlight{background:#f6fff2}
    .rating{
      display:flex;flex-wrap:wrap;gap:10px;align-items:center
    }
    .stars{color:#17a84a;font-size:20px;letter-spacing:2px}
    .score{font-weight:800;font-size:20px;color:#0e7d34}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow2);overflow:hidden
    }
    .faq-item summary{
      list-style:none;padding:16px 18px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";font-size:22px;color:var(--brand2);flex:none}
    .faq-item[open] summary:after{content:"−"}
    .faq-item .answer{padding:0 18px 16px}
    .reviews .review-card{display:flex;flex-direction:column;gap:12px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .badge{padding:6px 10px;border-radius:999px;background:#eaf8eb;color:#0d7e33;font-size:12px;font-weight:700}
    .avatar{
      width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#dff7d5,#b7ef92);
      color:#14592b;font-weight:800;flex:none
    }
    .review-head{display:flex;gap:12px;align-items:center}
    .review-head strong{display:block}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field label{font-weight:700;color:#274536;font-size:14px}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    .field textarea{min-height:130px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#8fe08e;box-shadow:0 0 0 4px rgba(32,192,92,.12)}
    .full{grid-column:1 / -1}
    .footer{
      margin-top:10px;padding:22px 0 28px;border-top:1px solid rgba(216,234,209,.95);
      background:linear-gradient(180deg, rgba(242,249,238,.9), rgba(238,247,234,.98));
      color:#284335
    }
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
    .footer a{color:#116c2d}
    .footer small{color:#4e6558;line-height:1.8}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:50;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      display:inline-flex;align-items:center;justify-content:center;min-width:52px;height:52px;padding:0 14px;
      border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#083017;font-weight:800;
      box-shadow:var(--shadow2);border:1px solid rgba(255,255,255,.5)
    }
    .float-btn.secondary{background:#fff;color:var(--brand2);border:1px solid var(--line)}
    .backtop{display:none}
    .mobile-only{display:none}

    .split{
      display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start
    }
    .article-list{display:grid;gap:12px}
    .article-card{
      display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:18px;border:1px solid var(--line);background:#fff
    }
    .article-card .dot{width:12px;height:12px;border-radius:50%;background:var(--brand);margin-top:7px;flex:none}
    .network{
      display:grid;grid-template-columns:repeat(3,1fr);gap:14px
    }
    .network .card{min-height:100%}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .price{
      border-radius:18px;padding:18px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,#f6fbf3)
    }
    .price strong{font-size:28px;color:var(--brand2);display:block}
    .price em{font-style:normal;color:var(--muted)}
    .hero-links{margin-top:6px;font-size:13px;color:#4d6657}
    .hero-links a{color:#0d7e33;text-decoration:underline}
    .logo-inline{display:inline-flex;align-items:center;gap:8px}
    .logo-inline img{width:22px;height:22px;object-fit:contain}
    .banner-img{border-radius:18px;border:1px solid var(--line);overflow:hidden;background:#fff}
    .banner-img img{width:100%;height:auto}

    @media (max-width: 1080px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.steps,.network,.price-grid,.split,.footer-grid{grid-template-columns:1fr}
      .navlinks{display:none}
      .menu-toggle{display:inline-flex}
      .nav-actions{margin-left:auto}
      .mobile-only{display:inline-flex}
      .form-grid{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero{padding-top:22px}
      .hero-copy,.hero-panel,.card{padding:18px;border-radius:22px}
      .panel-grid{grid-template-columns:1fr}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .nav{gap:10px}
      .brand img{width:38px;height:38px}
      .floating{right:12px;bottom:12px}
    }

    .reveal{opacity:0;transform:translateY(16px);transition:all .7s ease}
    .reveal.show{opacity:1;transform:none}