:root{
      --bg:#f4fff7;
      --bg2:#ecf8ef;
      --card:#ffffff;
      --text:#183126;
      --muted:#5d7468;
      --line:#d9eadf;
      --brand:#2aa56b;
      --brand2:#63c58d;
      --brand3:#dff8e9;
      --accent:#1d7a52;
      --shadow:0 18px 50px rgba(37, 93, 62, .10);
      --shadow2:0 10px 28px rgba(37, 93, 62, .12);
      --radius:20px;
      --radius2:28px;
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(98,197,141,.16), transparent 28%),
        radial-gradient(circle at top right, rgba(42,165,107,.10), transparent 24%),
        linear-gradient(180deg, var(--bg) 0%, #fbfffc 38%, #f7fbf8 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky; top:0; z-index:60;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(244,255,247,.82);
      border-bottom:1px solid rgba(217,234,223,.8);
    }
    .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;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px;box-shadow:0 8px 18px rgba(42,165,107,.08)}
    .brand .txt{display:flex; flex-direction:column; min-width:0}
    .brand strong{font-size:16px; letter-spacing:.5px}
    .brand span{font-size:12px; color:var(--muted)}
    .nav-links{display:flex; align-items:center; gap:16px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:14px; color:#325244; padding:8px 10px; border-radius:999px; transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:#e7f8ee; color:var(--accent)}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .home-link,.btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:1px solid transparent; border-radius:999px;
      padding:11px 16px; font-weight:600; transition:.22s ease;
      cursor:pointer;
    }
    .home-link,.btn.primary{background:linear-gradient(135deg, var(--brand), var(--brand2)); color:#fff; box-shadow:0 14px 28px rgba(42,165,107,.22)}
    .btn.ghost{background:#fff; color:var(--accent); border-color:var(--line)}
    .home-link:hover,.btn:hover{transform:translateY(-1px); box-shadow:var(--shadow2)}
    .menu-btn{display:none; background:#fff; border:1px solid var(--line); border-radius:14px; width:44px; height:44px; align-items:center; justify-content:center}
    .menu-btn span{display:block; width:18px; height:2px; background:var(--text); position:relative}
    .menu-btn span::before,.menu-btn span::after{content:""; position:absolute; left:0; width:18px; height:2px; background:var(--text)}
    .menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
    main{overflow:hidden}
    section{padding:30px 0}
    .hero{padding:34px 0 22px}
    .hero-grid{display:grid; grid-template-columns:1.18fr .82fr; gap:22px; align-items:stretch}
    .hero-copy{
      position:relative; overflow:hidden;
      border:1px solid rgba(217,234,223,.9);
      background:
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(237,250,242,.92));
      border-radius:var(--radius2); padding:30px;
      box-shadow:var(--shadow);
    }
    .hero-copy::before,.hero-copy::after{
      content:""; position:absolute; border-radius:50%; pointer-events:none;
      background:rgba(42,165,107,.10); filter:blur(4px);
    }
    .hero-copy::before{width:160px;height:160px; right:-50px; top:-30px}
    .hero-copy::after{width:120px;height:120px; right:110px; bottom:-40px; background:rgba(99,197,141,.12)}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      background:var(--brand3); color:var(--accent); border:1px solid #cfeedd;
      padding:7px 12px; border-radius:999px; font-size:13px; font-weight:600;
    }
    h1{margin:16px 0 14px; font-size:clamp(30px, 4vw, 54px); line-height:1.08; letter-spacing:-.02em}
    .lead{font-size:16px; line-height:1.85; color:var(--muted); max-width:62ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin:24px 0 20px}
    .mini-stats{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:16px}
    .stat{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:16px;
      box-shadow:0 8px 20px rgba(46, 88, 64, .06);
    }
    .stat b{display:block; font-size:22px; color:var(--accent)}
    .stat span{display:block; font-size:13px; color:var(--muted); margin-top:4px; line-height:1.5}
    .hero-side{
      display:grid; gap:14px;
    }
    .side-panel,.card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(217,234,223,.92);
      border-radius:22px;
      box-shadow:var(--shadow);
    }
    .side-panel{padding:20px}
    .side-title{display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:14px}
    .side-title h2,.section-head h2{margin:0; font-size:24px}
    .pill{
      display:inline-flex; padding:6px 10px; border-radius:999px; background:#eefaf2; color:var(--accent); font-size:12px; font-weight:700;
    }
    .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); line-height:1.6}
    .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));margin-top:6px;flex:0 0 auto}
    .section-head{display:flex; justify-content:space-between; align-items:end; gap:16px; margin-bottom:18px}
    .section-head p{margin:0; color:var(--muted); line-height:1.75}
    .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{padding:20px}
    .card h3{margin:6px 0 10px; font-size:18px}
    .card p{margin:0; color:var(--muted); line-height:1.8}
    .icon{
      width:44px;height:44px;border-radius:14px; display:grid; place-items:center;
      background:linear-gradient(135deg,#e7f8ee,#f7fffa); color:var(--accent); border:1px solid var(--line);
      font-weight:800;
    }
    .step{
      display:grid; gap:12px;
    }
    .step-num{
      width:34px;height:34px;border-radius:999px; display:grid; place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; font-weight:800;
      box-shadow:0 10px 20px rgba(42,165,107,.18);
    }
    .timeline{
      display:grid; gap:12px; position:relative;
    }
    .timeline-item{
      display:grid; grid-template-columns:60px 1fr; gap:12px; align-items:flex-start;
      padding:14px 0; border-top:1px dashed #d7eadf;
    }
    .timeline-item:first-child{border-top:none; padding-top:0}
    .timeline-item strong{display:block; margin-bottom:4px}
    .timeline-item span{color:var(--muted); line-height:1.7; font-size:14px}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag-cloud span{
      padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#335447; font-size:13px;
    }
    .compare{
      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:760px}
    th,td{padding:16px 14px; border-bottom:1px solid #edf3ef; text-align:left; vertical-align:top}
    th{background:#f7fcf9; color:#29513e; font-size:14px}
    td{color:var(--text); font-size:14px; line-height:1.75}
    .rating{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:10px
    }
    .stars{color:#ffb400; font-size:18px; letter-spacing:2px}
    .badge{display:inline-flex; padding:5px 10px; border-radius:999px; background:#eefaf2; color:var(--accent); border:1px solid #d6eddf; font-size:12px}
    .price-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .price{
      position:relative; overflow:hidden;
    }
    .price b{display:block; font-size:28px; margin:10px 0 6px; color:var(--accent)}
    .price ul{margin:14px 0 0; padding-left:18px; color:var(--muted); line-height:1.85}
    .quote{
      display:grid; gap:12px;
    }
    .quote .meta{display:flex; justify-content:space-between; gap:10px; align-items:center}
    .quote .name{font-weight:700}
    .quote .role{font-size:13px; color:var(--muted)}
    .quote p{margin:0; line-height:1.8; color:var(--text)}
    .article-list{display:grid; gap:12px}
    .article{
      display:flex; justify-content:space-between; gap:14px; align-items:center;
      padding:14px 16px; border-radius:18px; background:#fff; border:1px solid var(--line);
      transition:.2s ease;
    }
    .article:hover{transform:translateY(-2px); box-shadow:var(--shadow2)}
    .article a{color:var(--accent); font-weight:700}
    .form{
      display:grid; grid-template-columns:repeat(2,1fr); gap:14px;
    }
    .field{display:grid; gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px; font-weight:700; color:#2b4639}
    input,select,textarea{
      width:100%; border:1px solid #d8e7dc; background:#fff; color:var(--text);
      border-radius:14px; padding:13px 14px; font:inherit; outline:none; transition:.2s;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#8ed3ad; box-shadow:0 0 0 4px rgba(42,165,107,.12)}
    .form-actions{grid-column:1/-1; display:flex; flex-wrap:wrap; gap:12px; align-items:center}
    .helper{color:var(--muted); font-size:13px; line-height:1.7}
    .faq-item{
      background:#fff; border:1px solid var(--line); border-radius:18px; overflow:hidden;
    }
    .faq-q{
      width:100%; text-align:left; border:none; background:transparent; color:var(--text);
      padding:18px 18px; font-size:16px; font-weight:700; display:flex; justify-content:space-between; gap:12px; align-items:center; cursor:pointer;
    }
    .faq-q span{color:var(--accent)}
    .faq-a{padding:0 18px 18px; color:var(--muted); line-height:1.85; display:none}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .footer{
      margin-top:10px;
      background:#eef8f1;
      color:#254336;
      border-top:1px solid #d5e8da;
      padding:28px 0 24px;
    }
    .footer a{color:#1f6f48}
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px}
    .footer small{color:#547062}
    .footer-links{display:flex; flex-wrap:wrap; gap:10px; margin-top:10px}
    .footer-links a{padding:8px 10px; background:#fff; border:1px solid var(--line); border-radius:999px}
    .float-box{
      position:fixed; right:18px; bottom:18px; z-index:80;
      display:grid; gap:10px;
    }
    .float-box a,.to-top{
      width:50px; height:50px; border-radius:16px; display:grid; place-items:center;
      border:1px solid var(--line); background:#fff; box-shadow:var(--shadow2); color:var(--accent); font-weight:800;
    }
    .to-top{display:none}
    .mobile-nav{display:none}
    .split-note{
      display:grid; grid-template-columns:1fr 1fr; gap:16px; align-items:stretch
    }
    .notice{
      background:linear-gradient(135deg,#effbf3,#ffffff);
      border:1px solid var(--line); border-radius:22px; padding:18px;
    }
    .notice h3{margin:0 0 8px}
    .notice p{margin:0; color:var(--muted); line-height:1.8}
    .hero-card{
      padding:18px; border-radius:22px; border:1px solid var(--line); background:#fff;
    }
    .hero-card .mini-grid{display:grid; grid-template-columns:1fr 1fr; gap:12px}
    .hero-card .mini-grid .box{
      border-radius:16px; padding:14px; background:#f8fcf9; border:1px solid #e3f0e8;
    }
    .hero-card .mini-grid .box b{display:block; font-size:18px; color:var(--accent)}
    .hero-card .mini-grid .box span{font-size:13px; color:var(--muted)}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.price-grid,.footer-grid,.split-note{grid-template-columns:1fr}
      .section-head{align-items:flex-start; flex-direction:column}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-nav{
        display:none; padding:0 0 14px;
      }
      .mobile-nav.open{display:block}
      .mobile-nav .nav-links{
        display:grid; grid-template-columns:repeat(2,1fr); gap:8px;
        padding:12px 0 0;
      }
      .nav-links a{justify-content:center; background:#fff; border:1px solid var(--line)}
      .form{grid-template-columns:1fr}
      .mini-stats{grid-template-columns:1fr}
      table{min-width:680px}
    }
    @media (max-width: 560px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero-copy,.side-panel,.card{padding:18px}
      h1{font-size:30px}
      .hero-actions .btn,.home-link{width:100%}
      .nav{padding:12px 0}
      .brand .txt span{display:none}
      .hero-card .mini-grid{grid-template-columns:1fr}
      .float-box{right:12px; bottom:12px}
    }
    .reveal{opacity:0; transform:translateY(14px); transition:.6s ease}
    .reveal.show{opacity:1; transform:none}