body{margin:0;padding:0 16px 40px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Helvetica,Arial,sans-serif;color:#222;line-height:1.6}
main{max-width:820px;margin:32px auto}
article img{max-width:100%;height:auto;display:block;margin:16px auto}
article pre{overflow:auto;background:#f6f6f6;padding:12px;border-radius:8px}
article blockquote{margin:16px 0;padding:8px 16px;border-left:4px solid #e0e0e0;color:#555;background:#fafafa}
h1{font-size:32px;margin:20px 0}
time{color:#666;font-size:14px}