.container { max-width: 1200px; margin: 0 auto; padding: 20px; }

.hero { text-align: center; padding: 60px 20px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border-radius: 12px; margin-bottom: 40px; }
.hero h1 { font-size: 32px; margin-bottom: 20px; }
.hero-desc { font-size: 16px; line-height: 1.8; margin-bottom: 20px; max-width: 800px; margin-left: auto; margin-right: auto; }
.hero-tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.tag { background: rgba(255,255,255,0.2); padding: 6px 16px; border-radius: 20px; font-size: 14px; }

.intro-section, .video-section, .list-section { background: white; padding: 30px; border-radius: 12px; margin-bottom: 30px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.intro-section h2, .video-section h2, .list-section h2 { font-size: 24px; margin-bottom: 20px; color: #333; border-left: 4px solid #e74c3c; padding-left: 12px; }
.intro-section p { line-height: 1.8; color: #666; text-indent: 2em; }

.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.video-card { background: #f9f9f9; padding: 20px; border-radius: 8px; transition: all 0.3s; }
.video-card:hover { transform: translateY(-4px); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.video-card h3 { font-size: 18px; margin-bottom: 10px; }
.video-card h3 a { color: #333; }
.video-card h3 a:hover { color: #e74c3c; }
.video-meta { color: #999; font-size: 14px; margin-bottom: 10px; }
.video-desc { color: #666; font-size: 14px; line-height: 1.6; margin-bottom: 15px; }
.btn-more { display: inline-block; padding: 8px 20px; background: #e74c3c; color: white; border-radius: 4px; font-size: 14px; transition: all 0.3s; }
.btn-more:hover { background: #c0392b; }

.list-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.list-card { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px; border-radius: 8px; text-align: center; transition: all 0.3s; }
.list-card:hover { transform: scale(1.05); }
.list-card h3 { font-size: 20px; margin-bottom: 10px; }
.list-card h3 a { color: white; }
.list-card p { font-size: 14px; opacity: 0.9; }

.page-header { text-align: center; padding: 40px 20px; background: white; border-radius: 12px; margin-bottom: 30px; }
.page-header h1 { font-size: 28px; margin-bottom: 15px; color: #333; }
.page-header p { color: #666; line-height: 1.8; max-width: 800px; margin: 0 auto; }

.list-content { background: white; padding: 30px; border-radius: 12px; }
.list-item { padding: 20px; border-bottom: 1px solid #eee; transition: all 0.3s; }
.list-item:hover { background: #f9f9f9; }
.list-item h3 { font-size: 20px; margin-bottom: 10px; }
.list-item h3 a { color: #333; }
.list-item h3 a:hover { color: #e74c3c; }
.item-meta { color: #999; font-size: 14px; margin-bottom: 10px; }
.item-desc { color: #666; line-height: 1.6; }
.item-group { display: inline-block; background: #667eea; color: white; padding: 4px 12px; border-radius: 4px; font-size: 12px; margin-bottom: 10px; }

.ranked { position: relative; padding-left: 60px; }
.rank-num { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; background: #e74c3c; color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 16px; }

.detail-page { background: white; padding: 40px; border-radius: 12px; }
.detail-header h1 { font-size: 32px; margin-bottom: 20px; color: #333; }
.detail-info, .detail-section, .related-section { margin-bottom: 40px; }
.detail-info h2, .detail-section h2, .related-section h2 { font-size: 22px; margin-bottom: 20px; color: #333; border-left: 4px solid #e74c3c; padding-left: 12px; }
.info-list { list-style: none; }
.info-list li { padding: 10px 0; border-bottom: 1px solid #eee; color: #666; }
.info-list li:last-child { border-bottom: none; }
.highlight { font-size: 18px; line-height: 1.8; color: #e74c3c; font-weight: 500; }
.summary, .review { line-height: 1.8; color: #666; text-indent: 2em; }

.site-footer { background: #333; color: white; text-align: center; padding: 30px 20px; margin-top: 60px; }

@media (max-width: 768px) {
  .hero h1 { font-size: 24px; }
  .hero-desc { font-size: 14px; }
  .video-grid { grid-template-columns: 1fr; }
  .list-grid { grid-template-columns: 1fr; }
  .detail-page { padding: 20px; }
  .detail-header h1 { font-size: 24px; }
}