:root{--g:#2f7d32;--g2:#43a047;--ink:#1f2a1f;--mut:#5b6b5b;--bg:#f6f8f6;--card:#fff}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
header{background:#fff;border-bottom:1px solid #e3e8e3}.wrap{max-width:900px;margin:0 auto;padding:0 20px}
nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.35rem;color:var(--g);text-decoration:none;letter-spacing:-.5px}.logo span{color:var(--ink)}
nav .links a{margin-left:18px;color:var(--mut);text-decoration:none;font-size:.95rem}nav .links a:hover{color:var(--g)}
.btn{display:inline-block;background:var(--g);color:#fff;padding:10px 22px;border-radius:8px;text-decoration:none;font-weight:600}.btn:hover{background:var(--g2)}
main{padding:40px 0 60px}h1{font-size:2rem;line-height:1.2;margin:0 0 12px}h2{font-size:1.25rem;margin:32px 0 8px;color:var(--g)}
.lead{font-size:1.1rem;color:var(--mut);max-width:640px}.card{background:var(--card);border:1px solid #e3e8e3;border-radius:12px;padding:22px 24px;margin:16px 0}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:24px}
footer{border-top:1px solid #e3e8e3;color:var(--mut);font-size:.9rem;padding:24px 0}footer a{color:var(--mut)}
article p,article li{max-width:760px}.meta{color:var(--mut);font-size:.9rem}code{background:#eef2ee;padding:1px 5px;border-radius:4px;font-size:.9em}
@media(max-width:600px){nav .links a{margin-left:12px;font-size:.88rem}h1{font-size:1.6rem}}