.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.page-container { padding: 40px 20px; }
.hero { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; padding: 60px 20px; text-align: center; }
.page-title { font-size: 28px; margin-bottom: 20px; line-height: 1.4; }
.site-intro { font-size: 16px; line-height: 1.8; max-width: 800px; margin: 0 auto; opacity: 0.95; }
.section-title { font-size: 24px; margin: 40px 0 20px; padding-bottom: 10px; border-bottom: 3px solid #e74c3c; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin: 20px 0; }
.video-card { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: transform 0.3s; }
.video-card:hover { transform: translateY(-5px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.video-title { font-size: 18px; margin-bottom: 10px; color: #333; }
.video-title a:hover { color: #e74c3c; }
.video-meta { color: #666; font-size: 14px; margin-bottom: 10px; }
.video-desc { color: #888; font-size: 14px; line-height: 1.6; }
.more-link { text-align: center; margin: 30px 0; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.more-link a { color: #e74c3c; font-size: 16px; padding: 10px 20px; border: 1px solid #e74c3c; border-radius: 4px; transition: all 0.3s; }
.more-link a:hover { background: #e74c3c; color: #fff; }
.video-list { display: flex; flex-direction: column; gap: 15px; }
.list-item { background: #fff; padding: 20px; border-radius: 8px; border-left: 4px solid #e74c3c; }
.list-item h3 { font-size: 18px; margin-bottom: 8px; }
.list-item .meta { color: #666; font-size: 14px; margin-bottom: 8px; }
.list-item .desc { color: #888; font-size: 14px; }
.topic-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin: 20px 0; }
.topic-item { background: #fff; padding: 30px; border-radius: 8px; text-align: center; }
.topic-item h3 { font-size: 20px; margin-bottom: 15px; color: #e74c3c; }
.topic-item p { color: #666; margin-bottom: 15px; }
.topic-item a { color: #e74c3c; font-weight: bold; }
.full-list { display: flex; flex-direction: column; gap: 20px; }
.full-list-item { background: #fff; padding: 20px; border-radius: 8px; }
.item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.item-header h3 { font-size: 18px; }
.item-badge { background: #e74c3c; color: #fff; padding: 4px 12px; border-radius: 12px; font-size: 12px; }
.item-meta { color: #666; font-size: 14px; margin-bottom: 10px; }
.item-desc { color: #888; font-size: 14px; margin-bottom: 10px; }
.item-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.item-tags span { background: #f0f0f0; padding: 4px 10px; border-radius: 4px; font-size: 12px; color: #666; }
.rank-list { display: flex; flex-direction: column; gap: 15px; }
.rank-item { background: #fff; padding: 20px; border-radius: 8px; display: flex; gap: 20px; align-items: flex-start; }
.rank-number { font-size: 24px; font-weight: bold; color: #999; min-width: 40px; text-align: center; }
.rank-number.top-three { color: #e74c3c; font-size: 32px; }
.rank-content { flex: 1; }
.rank-content h3 { font-size: 18px; margin-bottom: 8px; }
.rank-meta { color: #666; font-size: 14px; margin-bottom: 8px; }
.rank-desc { color: #888; font-size: 14px; }
.topic-sections { display: flex; flex-direction: column; gap: 40px; }
.topic-group-title { font-size: 20px; margin-bottom: 20px; color: #e74c3c; padding-left: 15px; border-left: 4px solid #e74c3c; }
.topic-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.topic-card { background: #fff; padding: 20px; border-radius: 8px; }
.topic-card h3 { font-size: 16px; margin-bottom: 8px; }
.topic-card-meta { color: #666; font-size: 13px; margin-bottom: 8px; }
.topic-card-desc { color: #888; font-size: 13px; }
.latest-list { display: flex; flex-direction: column; gap: 20px; }
.latest-item { background: #fff; padding: 20px; border-radius: 8px; display: flex; gap: 20px; }
.latest-date { font-size: 14px; color: #e74c3c; font-weight: bold; min-width: 80px; }
.latest-info { flex: 1; }
.latest-info h3 { font-size: 18px; margin-bottom: 8px; }
.latest-meta { color: #666; font-size: 14px; margin-bottom: 8px; }
.latest-desc { color: #888; font-size: 14px; margin-bottom: 8px; }
.latest-review { color: #555; font-size: 14px; font-style: italic; padding-left: 15px; border-left: 3px solid #e74c3c; }
.detail-container { padding: 40px 20px; }
.detail-article { background: #fff; padding: 40px; border-radius: 8px; max-width: 900px; margin: 0 auto; }
.detail-title { font-size: 28px; margin-bottom: 30px; color: #333; border-bottom: 3px solid #e74c3c; padding-bottom: 15px; }
.detail-info { background: #f9f9f9; padding: 20px; border-radius: 8px; margin-bottom: 30px; }
.info-row { display: flex; margin-bottom: 12px; font-size: 15px; }
.info-row .label { font-weight: bold; color: #666; min-width: 80px; }
.detail-section { margin-bottom: 30px; }
.section-subtitle { font-size: 20px; margin-bottom: 15px; color: #e74c3c; }
.one-line { font-size: 16px; color: #555; line-height: 1.8; padding: 15px; background: #fff3cd; border-radius: 4px; }
.summary-text { font-size: 15px; color: #555; line-height: 1.9; text-indent: 2em; }
.review-text { font-size: 15px; color: #555; line-height: 1.8; padding: 15px; background: #d1ecf1; border-radius: 4px; font-style: italic; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.related-card { background: #f9f9f9; padding: 15px; border-radius: 8px; }
.related-card h3 { font-size: 16px; margin-bottom: 8px; }
.related-meta { color: #666; font-size: 13px; margin-bottom: 8px; }
.related-desc { color: #888; font-size: 13px; }
.footer { background: #333; color: #fff; padding: 30px 20px; text-align: center; margin-top: 60px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
@media (max-width: 768px) {
  .hero { padding: 40px 15px; }
  .page-title { font-size: 22px; }
  .site-intro { font-size: 14px; }
  .video-grid { grid-template-columns: 1fr; }
  .topic-list { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .detail-article { padding: 20px; }
  .detail-title { font-size: 22px; }
  .rank-item { flex-direction: column; gap: 10px; }
  .latest-item { flex-direction: column; gap: 10px; }
}