:root{
      --bg:#f6fbf6;
      --surface:#ffffff;
      --surface-2:#f0f8ef;
      --line:#d7e8d4;
      --text:#17311f;
      --muted:#587064;
      --brand:#1ec64f;
      --brand-2:#10a23c;
      --accent:#b6f52a;
      --shadow:0 18px 40px rgba(19,79,33,.10);
      --radius:22px;
      --max: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;background:radial-gradient(circle at top left,rgba(30,198,79,.12),transparent 28%),linear-gradient(180deg,#f7fcf7 0%,#eef7ee 100%);color:var(--text)}
    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;background:rgba(246,251,246,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(215,232,212,.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;padding:4px;box-shadow:0 10px 20px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#244030;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover{background:#e6f7e8;color:#0d5f25}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;border:1px solid transparent;font-weight:700;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 14px 28px rgba(30,198,79,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(30,198,79,.28)}
    .btn-ghost{background:#fff;color:#174424;border-color:var(--line)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:#163b25}
    .hero{padding:34px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.panel,.form-card,.faq-item,.review,.article,.timeline,.table-card{background:var(--surface);border:1px solid rgba(215,232,212,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;background:radial-gradient(circle,rgba(30,198,79,.18),transparent 65%)}
    .hero-main:before{width:220px;height:220px;right:-70px;top:-70px}
    .hero-main:after{width:160px;height:160px;left:-40px;bottom:-50px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#e9fbe9;color:#0d5d24;font-size:13px;font-weight:700}
    h1{font-size:clamp(30px,5vw,54px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 20px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
    .mini-card{padding:14px 15px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#f4fbf3 100%);border:1px solid var(--line)}
    .mini-card b{display:block;font-size:18px}
    .mini-card span{display:block;font-size:12px;color:var(--muted);margin-top:6px;line-height:1.5}
    .hero-side{padding:22px}
    .side-badge{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:16px;border-radius:18px;background:linear-gradient(135deg,#0c6c25,#22be52);color:#fff}
    .side-badge small{opacity:.9}
    .side-stack{display:grid;gap:12px;margin-top:14px}
    .side-box{padding:15px;border-radius:18px;background:#f7fcf7;border:1px solid var(--line)}
    .side-box strong{display:block;margin-bottom:6px}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;gap:14px;align-items:end;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .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}
    .section-card{padding:20px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#edf9ee;border:1px solid #d6ecd7;color:#184826;font-size:13px}
    .metric{padding:18px;border-radius:20px;background:linear-gradient(180deg,#ffffff,#f4fbf3);border:1px solid var(--line)}
    .metric .num{font-size:26px;font-weight:900;color:#0f6b28}
    .metric .txt{margin-top:6px;color:var(--muted);line-height:1.6;font-size:14px}
    .feature{display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:20px;background:#fbfefb;border:1px solid var(--line)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#dffbe2,#bff6c9);color:#0a6b26;font-weight:900;flex:0 0 auto}
    .feature h3,.article h3,.review h3{margin:0 0 8px;font-size:18px}
    .feature p,.article p,.review p,.faq-item p{margin:0;color:var(--muted);line-height:1.75}
    .steps{counter-reset:step}
    .step{padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line);position:relative}
    .step:before{counter-increment:step;content:counter(step);position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:50%;background:#eaf9ec;color:#0d6a26;display:grid;place-items:center;font-weight:800}
    .step h3{margin:0 0 10px}
    .compare-wrap{overflow:auto}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;font-size:14px}
    th{background:#eefaf0;color:#17311f}
    tr:hover td{background:#fbfefb}
    .rating{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:999px;background:#e7fbe9;color:#0d6a26;font-weight:800}
    .timeline{padding:20px}
    .timeline-list{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:84px 1fr;gap:12px;align-items:start;padding:14px;border-radius:16px;background:#fbfefb;border:1px solid var(--line)}
    .timeline-item b{color:#0f6b28}
    .panel{padding:18px}
    .panel h3{margin-top:0}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px;background:#fff;border:0;color:var(--text);font-size:16px;font-weight:700;cursor:pointer;text-align:left}
    .faq-q span{color:#0d6a26}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{padding-bottom:18px;max-height:220px}
    .reviews .review{padding:18px}
    .review .role{color:#0d6a26;font-size:13px;font-weight:700;margin-bottom:10px}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article{padding:18px}
    .article .meta{font-size:13px;color:#6b8072;margin-top:10px}
    .form-card{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-size:14px;font-weight:700;color:#244030}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s}
    input:focus,select:focus,textarea:focus{border-color:#8fe0a0;box-shadow:0 0 0 4px rgba(30,198,79,.12)}
    textarea{min-height:120px;resize:vertical}
    .footer{margin-top:18px;padding:26px 0 22px;background:#eef8ef;border-top:1px solid var(--line);color:#17311f}
    .footer a{color:#0d6a26}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer small{color:#567062}
    .floating{position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 18px 30px rgba(30,198,79,.26)}
    .backtop{position:fixed;right:16px;bottom:80px;z-index:50;opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s}
    .backtop.show{opacity:1;pointer-events:auto;transform:none}
    .mobile-panel{display:none}
    .links-inline{display:flex;flex-wrap:wrap;gap:10px}
    .links-inline a{padding:8px 10px;border-radius:10px;background:#fff;border:1px solid var(--line)}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.articles,.footer-grid{grid-template-columns:1fr}
      .grid-2,.form-grid{grid-template-columns:1fr}
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 16px}
      .mobile-panel.open{display:block}
      .mobile-panel .panel-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding-bottom:8px}
      .mobile-panel .panel-links a{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid var(--line)}
      .hero-points{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
      table{min-width:920px}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max),calc(100% - 22px))}
      .hero-main,.hero-side,.section-card,.panel,.form-card{padding:18px}
      h1{font-size:32px}
      .timeline-item{grid-template-columns:1fr}
      .floating{right:12px;bottom:12px}
      .backtop{right:12px;bottom:74px}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:all .6s ease}
    .reveal.visible{opacity:1;transform:none}