/* 分类详情页样式 */
.container {
  padding: 20rpx;
  min-height: 100vh;
  background: #f5f5f5;
}

/* 练习表网格 */
.worksheet-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20rpx;
}

.worksheet-item {
  width: calc(50% - 20rpx);
  background: #fff;
  border-radius: 16rpx;
  overflow: hidden;
  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.05);
}

.worksheet-cover {
  position: relative;
  width: 100%;
  padding-top: 75%;
  background: #f5f5f5;
}

.cover-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.worksheet-info {
  padding: 16rpx;
}

.worksheet-title {
  display: block;
  font-size: 26rpx;
  color: #333;
  line-height: 1.4;
  height: 72rpx;
}

.worksheet-e-title {
  display: block;
  font-size: 22rpx;
  color: #999;
  margin-top: 8rpx;
}

/* 加载状态 */
.load-status {
  text-align: center;
  padding: 30rpx 0;
  font-size: 26rpx;
  color: #999;
}

/* 空状态 */
.empty-tip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100rpx 0;
}

.empty-tip text {
  font-size: 28rpx;
  color: #999;
}