:root{--bg:#0d1117;--panel:#161b22;--border:#30363d;--fg:#e6edf3;--muted:#8b949e;--green:#238636;--green2:#3fb950;--blue:#58a6ff;--amber:#d29922}
*{box-sizing:border-box;margin:0}
body{background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.65}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--panel);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:.88em}
pre{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;font-size:13px;overflow-x:auto;line-height:1.55;margin:14px 0}
pre code{background:none;border:0;padding:0;font-size:inherit}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header{padding:14px 0;border-bottom:1px solid var(--border)}
header .wrap{display:flex;justify-content:space-between;align-items:center;max-width:1000px}
.logo{font-weight:700;font-size:16px;color:var(--fg)}.logo span{color:var(--green2)}
nav a{color:var(--muted);margin-left:16px;font-size:13.5px}
main{padding:40px 0 64px}
h1{font-size:30px;letter-spacing:-.02em;margin-bottom:8px}
h2{font-size:21px;margin:36px 0 10px;padding-top:8px;letter-spacing:-.01em}
h3{font-size:16px;margin:24px 0 8px}
p,li{color:#c9d1d9;font-size:15px}
main>. wrap p{margin:10px 0}
p{margin:10px 0}
ul,ol{padding-left:24px;margin:10px 0}
li{margin:5px 0}
.lead{color:var(--muted);font-size:16.5px;margin:6px 0 20px}
table{width:100%;border-collapse:collapse;font-size:13.5px;margin:14px 0}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
th{color:var(--muted);font-weight:600}
td code{white-space:nowrap}
.cards{display:grid;gap:14px;grid-template-columns:1fr;margin:20px 0}
@media(min-width:700px){.cards{grid-template-columns:1fr 1fr}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px;display:block}
.card:hover{border-color:var(--muted);text-decoration:none}
.card h3{margin:0 0 6px;color:var(--fg)}
.card p{color:var(--muted);font-size:13.5px;margin:0}
.callout{border-left:3px solid var(--amber);background:var(--panel);border-radius:0 8px 8px 0;padding:12px 16px;margin:14px 0}
.callout.green{border-left-color:var(--green2)}
.callout p{margin:4px 0;font-size:14px}
.crumb{color:var(--muted);font-size:13px;margin-bottom:14px}
.crumb a{color:var(--muted)}
footer{border-top:1px solid var(--border);padding:24px 0;color:var(--muted);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;max-width:1000px}
footer a{color:var(--muted)}
.cta-box{background:var(--panel);border:1px solid var(--green);border-radius:10px;padding:18px;margin:28px 0}
.cta-box p{margin:0 0 10px}
.btn{display:inline-block;padding:9px 18px;border-radius:8px;font-size:14px;font-weight:600;background:var(--green);color:#fff}
.btn:hover{background:#2ea043;text-decoration:none}