.main-container { max-width: 1200px; margin: 20px auto; padding: 0 20px; }
.site-intro { background: #fff; padding: 40px; margin-bottom: 30px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.site-title { font-size: 28px; color: #e74c3c; margin-bottom: 20px; line-height: 1.4; }
.site-desc { font-size: 16px; line-height: 1.8; color: #666; }
.site-desc a { color: #e74c3c; text-decoration: underline; }

.section-title { font-size: 24px; margin: 30px 0 20px; color: #333; border-left: 4px solid #e74c3c; padding-left: 15px; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-bottom: 40px; }
.video-card { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); transition: all 0.3s; }
.video-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.12); transform: translateY(-2px); }
.card-title { font-size: 18px; margin-bottom: 10px; }
.card-title a { color: #333; transition: color 0.3s; }
.card-title a:hover { color: #e74c3c; }
.card-meta { font-size: 14px; color: #999; margin-bottom: 10px; }
.card-desc { font-size: 14px; color: #666; line-height: 1.6; }

.link-group { display: flex; gap: 20px; margin-bottom: 40px; }
.feature-link { display: inline-block; padding: 12px 30px; background: #e74c3c; color: #fff; border-radius: 6px; transition: all 0.3s; }
.feature-link:hover { background: #c0392b; transform: translateY(-2px); }

.list-container, .rank-container, .topic-container, .latest-container { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.list-item, .rank-item, .topic-item, .latest-item { padding: 20px 0; border-bottom: 1px solid #eee; }
.list-item:last-child, .rank-item:last-child, .topic-item:last-child, .latest-item:last-child { border-bottom: none; }
.item-title { font-size: 18px; margin-bottom: 8px; }
.item-title a { color: #333; transition: color 0.3s; }
.item-title a:hover { color: #e74c3c; }
.item-meta { font-size: 14px; color: #999; margin-bottom: 8px; }
.item-desc { font-size: 14px; color: #666; line-height: 1.6; }

.page-title { font-size: 32px; color: #333; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 2px solid #e74c3c; }
.page-intro { font-size: 16px; color: #666; margin-bottom: 30px; line-height: 1.8; }

.rank-item { display: flex; gap: 20px; align-items: flex-start; }
.rank-num { font-size: 24px; font-weight: bold; color: #e74c3c; min-width: 40px; text-align: center; }
.rank-content { flex: 1; }

.topic-group { margin-bottom: 40px; }
.topic-title { font-size: 20px; color: #e74c3c; margin-bottom: 15px; }
.topic-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; }

.latest-item { display: flex; gap: 20px; }
.latest-date { font-size: 14px; color: #e74c3c; font-weight: bold; min-width: 60px; }
.latest-content { flex: 1; }

.detail-article { background: #fff; padding: 40px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.detail-title { font-size: 32px; color: #333; margin-bottom: 30px; line-height: 1.4; }
.detail-info, .detail-oneline, .detail-summary, .detail-review, .detail-related { margin-bottom: 30px; }
.info-list { list-style: none; }
.info-list li { padding: 8px 0; font-size: 16px; color: #666; border-bottom: 1px dashed #eee; }
.info-list li:last-child { border-bottom: none; }
.oneline-text, .summary-text, .review-text { font-size: 16px; line-height: 1.8; color: #666; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; }
.related-item { padding: 15px; background: #f9f9f9; border-radius: 6px; transition: all 0.3s; }
.related-item:hover { background: #f0f0f0; }
.related-title { font-size: 16px; margin-bottom: 8px; }
.related-title a { color: #333; }
.related-title a:hover { color: #e74c3c; }
.related-desc { font-size: 14px; color: #666; }

.site-footer { background: #333; color: #fff; text-align: center; padding: 30px 20px; margin-top: 50px; }
.site-footer p { font-size: 14px; }

@media (max-width: 768px) {
  .site-intro { padding: 20px; }
  .site-title { font-size: 22px; }
  .site-desc { font-size: 14px; }
  .video-grid { grid-template-columns: 1fr; gap: 15px; }
  .page-title, .detail-title { font-size: 24px; }
  .detail-article { padding: 20px; }
  .link-group { flex-direction: column; }
  .rank-num { font-size: 20px; min-width: 30px; }
  .topic-list { grid-template-columns: 1fr; }
}