:root{--bg-color: #ffffff;--text-color: #222222;--link-color: #137faa;--link-hover: #1278a1;--border-color: #eeeeee}@media(prefers-color-scheme:dark){:root{--bg-color: #121212;--text-color: #dddddd;--link-color: #2EBAE0;--link-hover: #3cb5f6;--border-color: #333333}}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);max-width:650px;margin:0 auto;padding:2rem 1.5rem;line-height:1.6}h1{font-size:1.75rem;margin-bottom:.5rem}h2{font-size:1.5rem;margin-top:2rem}p{margin-bottom:1.5rem}hr{border:0;border-top:1px solid var(--border-color);margin:2rem 0}a{color:var(--link-color);text-decoration:none;font-weight:500;transition:color .2s ease}a:hover,a:focus{color:var(--link-hover);text-decoration:underline}ul{list-style-type:square;padding-left:1.25rem}li{margin-bottom:.5rem}footer{margin-top:3rem;font-size:.9rem}