* { 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: #f5f5f5; }
header.page-header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 3rem 1rem; text-align: center; }
header.page-header h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
header.page-header .subtitle { font-size: 1.1rem; opacity: 0.9; }
main.container { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }
section { margin-bottom: 3rem; }
section h2 { font-size: 1.8rem; margin-bottom: 1.5rem; padding-bottom: 0.5rem; border-bottom: 3px solid #667eea; }
.card-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.card { background: white; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.card a { display: block; padding: 1.5rem; text-decoration: none; color: inherit; }
.card-title { font-weight: 600; font-size: 1.2rem; color: #667eea; display: block; margin-bottom: 0.5rem; }
.card-meta { font-size: 0.9rem; color: #666; display: block; }
footer { background: white; border-top: 1px solid #ddd; text-align: center; padding: 1.5rem; color: #666; margin-top: 2rem; }