*{box-sizing:border-box}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;max-width:760px;margin:0 auto;padding:20px;line-height:1.65;color:#1f2933;background:#fff}
header,footer{padding:12px 0;border-bottom:1px solid #e4e7eb}footer{border-top:1px solid #e4e7eb;border-bottom:0;margin-top:40px;font-size:.9em;color:#616e7c}
header a{font-weight:700;color:#1f2933;text-decoration:none;margin-right:16px}a{color:#0b69a3}h1{line-height:1.25;font-size:1.8em}h2{margin-top:1.6em}
pre{background:#f5f7fa;border:1px solid #cbd2d9;border-radius:6px;padding:14px;white-space:pre-wrap;word-wrap:break-word;font-size:.95em}
.cta{background:#f0f4f8;border-left:4px solid #0b69a3;padding:14px 18px;border-radius:4px;margin:28px 0}
.btn{display:inline-block;background:#0b69a3;color:#fff;padding:10px 16px;border-radius:6px;text-decoration:none;margin:4px 6px 4px 0}
button{background:#0b69a3;color:#fff;border:0;padding:8px 14px;border-radius:6px;cursor:pointer}ul.list li{margin:8px 0}