* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
    padding: 20px;
}
header nav h1 { margin-bottom: 1rem; }
header nav h1 a { text-decoration: none; color: #000; }
header nav ul { list-style: none; display: flex; gap: 1.5rem; }
header nav a { text-decoration: none; color: #666; }
header nav a:hover { color: #000; }
main { max-width: 800px; margin: 2rem auto; }
article { background: white; padding: 2rem; margin: 1rem 0; border-radius: 4px; }
article h1 { margin-bottom: 0.5rem; }
article time { color: #666; font-size: 0.9rem; }
.content { margin-top: 2rem; }
.content p { margin: 1rem 0; }
.content a { color: #0066cc; }
.posts-list { list-style: none; }
.posts-list li { padding: 0.5rem 0; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; }
.posts-list a { text-decoration: none; color: #0066cc; }
.posts-list time { color: #999; font-size: 0.9rem; }
footer { text-align: center; color: #999; margin-top: 3rem; padding-top: 1rem; border-top: 1px solid #eee; }
footer a { color: #0066cc; }
.categories, .tags { font-size: 0.85rem; }
.categories a, .tags a { text-decoration: none; color: #666; border: 1px solid #ddd; padding: 0.25rem 0.5rem; margin: 0.25rem; border-radius: 3px; display: inline-block; }