.sub-tit {
    font-size: 32rpx;
    font-weight: 500;
    color: #333333;
    display: flex;
    align-items: center;
    margin: 30rpx 0;
}
.sub-tit image {
    margin-right: 12rpx;
    width: 20rpx;
    height: 20rpx;
}