:root{--green:#2f7d4f;--green-d:#14532d;--bg:#f7f9f7;--card:#fff;--text:#1a1a1a;--muted:#666;--line:#d7e0d8}
@media (prefers-color-scheme:dark){:root{--bg:#12161a;--card:#1b2127;--text:#e7ece8;--muted:#9fb0a3;--line:#2c3841;--green:#4caf74;--green-d:#a5d6b7}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,'Segoe UI',Roboto,Arial,sans-serif;line-height:1.5}
a{color:var(--green)}
.nav{position:sticky;top:0;z-index:10;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;
 background:#14532d;padding:10px 16px;box-shadow:0 1px 6px rgba(0,0,0,.25)}
.nav .brand{color:#fff;font-weight:700;font-size:17px;text-decoration:none;margin-right:8px}
.nav nav{display:flex;flex-wrap:wrap;gap:4px 12px}
.nav nav a{color:#dff2e6;text-decoration:none;font-size:14px;padding:3px 4px;border-radius:5px}
.nav nav a:hover{background:rgba(255,255,255,.15)}
.hero{max-width:900px;margin:0 auto;padding:34px 20px 8px;text-align:center}
.hero h1{color:var(--green-d);font-size:26px;margin:0 0 6px}
.hero .lead{color:var(--muted);font-size:15px;margin:0 auto 12px;max-width:640px}
.hero .stats{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0}
.hero .stats span{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:4px 12px;font-size:12.5px;color:var(--text)}
.cards{max-width:900px;margin:18px auto;padding:0 16px;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
 border-radius:12px;padding:16px;text-decoration:none;color:var(--text);transition:transform .1s,box-shadow .1s}
.card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.12)}
.card.primary{border-color:var(--green);box-shadow:0 0 0 2px rgba(47,125,79,.15)}
.card .ico{font-size:30px;line-height:1}
.card h3{margin:0 0 4px;color:var(--green-d);font-size:16px}
.card p{margin:0;color:var(--muted);font-size:13px}
.doc{max-width:820px;margin:0 auto;padding:20px 18px 40px}
.doc h1{color:var(--green-d);font-size:24px;margin:6px 0 10px}
.doc h2{color:var(--green-d);font-size:18px;margin:26px 0 8px;border-bottom:2px solid var(--green);padding-bottom:4px}
.doc h3{color:var(--green);font-size:15px;margin:16px 0 6px}
.doc p,.doc li{font-size:14.5px}
.doc code{background:rgba(127,127,127,.15);padding:1px 5px;border-radius:4px;font-size:13px}
.doc blockquote{margin:12px 0;padding:8px 14px;background:rgba(47,125,79,.10);border-left:4px solid var(--green);border-radius:4px}
.doc hr{border:none;border-top:1px solid var(--line);margin:20px 0}
.doc ul{padding-left:20px}
.doc li.chk{list-style:none;margin-left:-20px}
.doc li.chk label{display:flex;gap:9px;align-items:flex-start;cursor:pointer}
.doc li.chk input{margin-top:3px;width:17px;height:17px;accent-color:var(--green);flex:0 0 auto}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px 0}
table{border-collapse:collapse;width:100%;font-size:13px;min-width:340px}
th,td{border:1px solid var(--line);padding:6px 9px;text-align:left;vertical-align:top}
th{background:var(--green);color:#fff}
tr:nth-child(even) td{background:rgba(127,127,127,.06)}
footer{text-align:center;color:var(--muted);font-size:12px;padding:24px 16px 40px}