body.ui-style-5 {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.video-item {
  transition: all 0.3s ease;
}
.video-item:hover {
  border-left: 3px solid #3498db;
}
@media (max-width: 768px) {
  .video-list {
    grid-template-columns: 1fr;
  }
  .info-grid {
    grid-template-columns: 1fr;
  }
}