/* 全局样式 */
body.ui-style-5 { background: linear-gradient(to bottom, #f5f5f5 0%, #e9ecef 100%); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 视频网格 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}
.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.video-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.video-card .meta {
  color: #999;
  font-size: 14px;
  margin-bottom: 10px;
}
.video-card .desc {
  color: #666;
  font-size: 14px;
  line-height: 1.6;
}

/* 视频列表 */
.video-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.video-item {
  padding: 20px 0;
  border-bottom: 1px solid #e0e0e0;
}
.video-item:last-child {
  border-bottom: none;
}
.video-item h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.video-item .meta {
  color: #999;
  font-size: 14px;
  margin-bottom: 10px;
}
.video-item .desc {
  color: #666;
  font-size: 14px;
  line-height: 1.6;
}

/* 响应式 */
@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
  h1 { font-size: 28px !important; }
  h2 { font-size: 22px !important; }
}