:root{--accent:#2f855a;--dark:#12261c;--text:#1f2328;--muted:#59636e;--bg:#ffffff;--soft:#f6f8fa}
*{box-sizing:border-box}body{margin:0;font-family:Georgia, "Times New Roman", serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header{background:var(--dark);color:#fff}header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px}
header a{color:#fff;opacity:.9}.brand{font-weight:700;font-size:20px;opacity:1}nav a{margin-left:18px}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}main{padding:40px 0 64px}
h1{font-size:34px;line-height:1.2;margin:0 0 12px}h2{font-size:24px;margin:32px 0 8px}.lead{font-size:19px;color:var(--muted);max-width:680px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:24px}
.card{background:var(--soft);border-radius:10px;padding:18px}.card h3{margin:0 0 6px;font-size:18px}
.meta{color:var(--muted);font-size:14px}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--soft);border-radius:6px}
code{padding:1px 5px}pre{padding:14px;overflow:auto}table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid #e5e7eb;padding:8px;text-align:left}
footer{border-top:1px solid #e5e7eb;color:var(--muted);font-size:14px}footer .wrap{padding:20px}
form label{display:block;margin:12px 0 4px}form input,form textarea{width:100%;max-width:480px;padding:9px;border:1px solid #d0d7de;border-radius:6px;font:inherit}
button{margin-top:14px;background:var(--accent);color:#fff;border:0;border-radius:6px;padding:10px 18px;font:inherit;cursor:pointer}