body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;max-width:720px;margin:40px auto;padding:0 16px;line-height:1.6;color:#222;background:#fafaf7}
h1{font-size:1.8rem;margin-bottom:.2rem}h2{font-size:1.15rem;margin-top:1.8rem}a{color:#1a5fb4}footer{margin-top:3rem;font-size:.85rem;color:#777}