* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem; line-height: 1.8; color: #333; }
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: #111; margin-top: 1.5em; margin-bottom: 0.5em; }
h1 { font-size: 1.8em; }
h2 { font-size: 1.4em; }
time { color: #888; font-size: 0.9rem; }
ul { padding-left: 1.5rem; }
p { margin: 0.8em 0; }
header { border-bottom: 1px solid #eee; padding-bottom: 1rem; margin-bottom: 2rem; }
header h1 { margin: 0; }
header a { color: #111; }