* { 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: #f9f9f9; }
header { background: #2c3e50; color: white; padding: 2rem; text-align: center; }
header h1 { margin-bottom: 0.5rem; font-size: 2rem; }
header p { font-size: 0.9rem; opacity: 0.9; }
main { max-width: 900px; margin: 2rem auto; padding: 0 1rem; }
article { background: white; padding: 2rem; margin-bottom: 2rem; border-radius: 4px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
article h2 { color: #2c3e50; margin-bottom: 0.5rem; font-size: 1.5rem; }
article .meta { color: #7f8c8d; font-size: 0.9rem; margin-bottom: 1rem; }
article p { margin-bottom: 1rem; }
article a { color: #3498db; text-decoration: none; }
article a:hover { text-decoration: underline; }
footer { text-align: center; padding: 2rem; color: #7f8c8d; font-size: 0.9rem; border-top: 1px solid #ecf0f1; margin-top: 3rem; }
nav { margin-bottom: 2rem; }
nav a { margin-right: 1.5rem; color: #3498db; text-decoration: none; }
nav a:hover { text-decoration: underline; }