.select_box{width:45%;height:70%;border-radius:14rpx;position:relative}.select_box .select{box-sizing:border-box;width:100%;height:100%;border-radius:8rpx;display:flex;align-items:center;padding:0 10rpx}.select_box .select .select_text{font-size:26rpx;color:#777777;line-height:28rpx;flex:1}.select_box .select .select_img{width:30rpx;height:30rpx;display:block;transition:transform .3s}.select_box .select .select_img_rotate{transform:rotate(180deg)}.select_box .option_box{position:absolute;top:calc(100% - 1px);width:100%;box-sizing:border-box;height:0;overflow-y:auto;background:#fff;transition:height .3s;border-left:1px solid #efefef;border-right:1px solid #efefef}.select_box .option_box .option{display:block;line-height:30rpx;font-size:26rpx;border-top:1px solid #efefef;border-bottom:1px solid #efefef;padding:10rpx}