.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.hero { text-align: center; padding: 40px 20px; background: #fff; border-radius: 8px; margin-bottom: 30px; }
.hero h1 { font-size: 28px; color: #1890ff; margin-bottom: 20px; }
.hero .intro { font-size: 16px; line-height: 1.8; color: #666; }
.video-section { margin-bottom: 40px; background: #fff; padding: 30px; border-radius: 8px; }
.video-section h2 { font-size: 24px; margin-bottom: 20px; border-left: 4px solid #1890ff; padding-left: 15px; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.video-card { padding: 20px; border: 1px solid #e8e8e8; border-radius: 6px; transition: all 0.3s; }
.video-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); transform: translateY(-2px); }
.video-card h3 { font-size: 18px; margin-bottom: 10px; }
.video-card .meta { font-size: 14px; color: #999; margin-bottom: 10px; }
.video-card .one-line { font-size: 14px; color: #666; line-height: 1.6; }
.video-card .tags { margin-top: 10px; }
.tag { display: inline-block; padding: 3px 8px; background: #f0f0f0; border-radius: 3px; font-size: 12px; color: #666; margin-right: 5px; }
.video-list { display: flex; flex-direction: column; gap: 15px; }
.video-item { display: flex; gap: 15px; padding: 20px; border: 1px solid #e8e8e8; border-radius: 6px; transition: all 0.3s; }
.video-item:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.video-item .rank { font-size: 24px; font-weight: bold; color: #1890ff; min-width: 40px; text-align: center; }
.video-item .item-content { flex: 1; }
.video-item h3 { font-size: 18px; margin-bottom: 8px; }
.video-item .meta { font-size: 14px; color: #999; margin-bottom: 8px; }
.video-item p { font-size: 14px; color: #666; }
.more-link { text-align: center; margin-top: 20px; font-size: 16px; }
.page-desc { padding: 20px; background: #fff; border-radius: 8px; margin-bottom: 30px; font-size: 16px; line-height: 1.8; color: #666; }
.detail { background: #fff; padding: 40px; border-radius: 8px; }
.detail h1 { font-size: 32px; margin-bottom: 30px; color: #333; }
.detail-info { margin-bottom: 30px; }
.detail-info h2 { font-size: 22px; margin-bottom: 15px; color: #1890ff; }
.info-list { list-style: none; }
.info-list li { padding: 10px 0; border-bottom: 1px solid #f0f0f0; }
.info-list strong { color: #666; margin-right: 10px; }
.detail-section { margin-bottom: 30px; }
.detail-section h2 { font-size: 22px; margin-bottom: 15px; color: #1890ff; }
.detail-section p { font-size: 16px; line-height: 1.8; color: #666; }
.detail-section .highlight { font-size: 18px; color: #1890ff; font-weight: 500; }
.detail-section .review { background: #f9f9f9; padding: 20px; border-left: 4px solid #1890ff; border-radius: 4px; }
.related { margin-top: 40px; padding-top: 40px; border-top: 2px solid #f0f0f0; }
.related h2 { font-size: 24px; margin-bottom: 20px; }
.topic-card .genre-tag { display: inline-block; padding: 5px 12px; background: #1890ff; color: #fff; border-radius: 4px; font-size: 14px; margin-bottom: 10px; }
footer { text-align: center; padding: 30px 20px; color: #999; font-size: 14px; }
@media (max-width: 768px) {
  .container { padding: 10px; }
  .hero { padding: 20px 15px; }
  .hero h1 { font-size: 22px; }
  .video-section { padding: 20px 15px; }
  .video-grid { grid-template-columns: 1fr; gap: 15px; }
  .detail { padding: 20px 15px; }
  .detail h1 { font-size: 24px; }
}