.topBg {
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
}
.conceptDetailsC {
  background-color: white;
  margin-top: 10rpx;
  padding: 20rpx 25rpx;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 20rpx 20rpx 0 0;
}
.conceptDetailsC .title {
  font-size: 30rpx;
  font-weight: bold;
  color: #222;
}
.conceptDetailsC .time {
  margin-top: 10rpx;
  font-size: 22rpx;
  font-weight: 500;
  color: #AAA;
}
.conceptDetailsC .content {
  margin-top: 30rpx;
  font-size: 26rpx;
  font-weight: 500;
  color: #666;
}