.container { max-width: 1200px; margin: 0 auto; padding: 2rem; }
h1 { font-size: 2rem; margin-bottom: 1.5rem; color: #2c3e50; }
h2 { font-size: 1.5rem; margin: 2rem 0 1rem; color: #34495e; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
a { color: #3498db; text-decoration: none; transition: color 0.3s; }
a:hover { color: #2980b9; }
section { margin-bottom: 3rem; background: white; padding: 2rem; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.hero { text-align: center; padding: 3rem 2rem; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border-radius: 8px; }
.hero h1 { color: white; font-size: 2.2rem; }
.site-intro { line-height: 1.8; }
.site-intro p { margin-bottom: 1rem; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.video-card { background: #f8f9fa; padding: 1.5rem; border-radius: 8px; transition: transform 0.3s, box-shadow 0.3s; }
.video-card:hover { transform: translateY(-4px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.video-card h3 { margin-bottom: 0.5rem; }
.video-card .meta { color: #7f8c8d; font-size: 0.9rem; margin-bottom: 0.5rem; }
.video-list { display: flex; flex-direction: column; gap: 1.5rem; }
.video-item { background: #f8f9fa; padding: 1.5rem; border-radius: 8px; position: relative; }
.video-item h3 { margin-bottom: 0.5rem; }
.video-item .meta { color: #7f8c8d; font-size: 0.9rem; margin-bottom: 0.5rem; }
.video-item .desc { line-height: 1.6; }
.rank-card .rank { position: absolute; top: 1rem; right: 1rem; background: #e74c3c; color: white; width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; }
.entry-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.entry-card { background: #ecf0f1; padding: 2rem; border-radius: 8px; text-align: center; transition: background 0.3s; }
.entry-card:hover { background: #d5dbdb; }
.detail-page .video-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.detail-page .info-item { padding: 0.5rem 0; }
.detail-page .video-highlight p, .detail-page .video-summary p, .detail-page .video-review p { line-height: 1.8; }
@media (max-width: 768px) {
  .container { padding: 1rem; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.3rem; }
  .video-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.6rem; }
}