.picker {
  height: 80rpx;
  line-height: 84rpx;
}


.arrow {
  width: 20rpx;
  height: 20rpx;
  display: block;

}

.tac {
  text-align: center;
}

.arrow-box {
  justify-content: space-between;
  width: 420rpx;
  padding-right: 40rpx;
}

.df {
  display: flex;
}

.aic {
  align-items: center;
}

.jcsb {
  justify-content: space-between;
}

.jcsa {
  justify-content: space-around;
}