/*// flex布局*/
.u-flex,
.u-flex-row,
.u-flex-x {
  display: flex;
}

.u-flex-y,
.u-flex-column {
  display: flex;
  flex-direction: column;
}

.u-flex-x-center {
  display: flex;
  justify-content: center;
}

.u-flex-xy-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.u-flex-y-center {
  display: flex;
  align-items: center;
}

.u-flex-x-left {
  display: flex;
}

.u-flex-x-reverse,
.u-flex-row-reverse {
  flex-direction: row-reverse;
}

.u-flex-y-reverse,
.u-flex-column-reverse {
  flex-direction: column-reverse;
}

/* #ifndef APP-NVUE */
.u-flex.u-flex-reverse,
.u-flex-row.u-flex-reverse,
.u-flex-x.u-flex-reverse {
  flex-direction: row-reverse;
}

.u-flex-column.u-flex-reverse,
.u-flex-y.u-flex-reverse {
  flex-direction: column-reverse;
}

/*// 自动伸缩*/
.u-flex-fill {
  flex: 1 1 auto
}

/*// 边界自动伸缩*/
.u-margin-top-auto,
.u-m-t-auto {
  margin-top: auto !important
}

.u-margin-right-auto,
.u-m-r-auto {
  margin-right: auto !important
}

.u-margin-bottom-auto,
.u-m-b-auto {
  margin-bottom: auto !important
}

.u-margin-left-auto,
.u-m-l-auto {
  margin-left: auto !important
}

.u-margin-center-auto,
.u-m-c-auto {
  margin-left: auto !important;
  margin-right: auto !important
}

.u-margin-middle-auto,
.u-m-m-auto {
  margin-top: auto !important;
  margin-bottom: auto !important
}

/* #endif */

/*// 换行*/
.u-flex-wrap {
  flex-wrap: wrap;
}

/*// 反向换行*/
.u-flex-wrap-reverse {
  flex-wrap: wrap-reverse;
}

/*// 主轴起点对齐*/
.u-flex-start {
  justify-content: flex-start
}

/*// 主轴中间对齐*/
.u-flex-center {
  justify-content: center
}

/*// 主轴终点对齐*/
.u-flex-end {
  justify-content: flex-end
}

/*// 主轴等比间距*/
.u-flex-between {
  justify-content: space-between
}

/*// 主轴均分间距*/
.u-flex-around {
  justify-content: space-around
}

/*// 交叉轴起点对齐*/
.u-flex-items-start {
  align-items: flex-start
}

/*// 交叉轴中间对齐*/
.u-flex-items-center {
  align-items: center
}

/*// 交叉轴终点对齐*/
.u-flex-items-end {
  align-items: flex-end
}

/*// 交叉轴第一行文字基线对齐*/
.u-flex-items-baseline {
  align-items: baseline
}

/*// 交叉轴方向拉伸对齐*/
.u-flex-items-stretch {
  align-items: stretch
}


/*// 以下属于项目(子元素)的类*/

/*// 子元素交叉轴起点对齐*/
.u-flex-self-start {
  align-self: flex-start
}

/*// 子元素交叉轴居中对齐*/
.u-flex-self-center {
  align-self: center
}

/*// 子元素交叉轴终点对齐*/
.u-flex-self-end {
  align-self: flex-end
}

/*// 子元素交叉轴第一行文字基线对齐*/
.u-flex-self-baseline {
  align-self: baseline
}

/*// 子元素交叉轴方向拉伸对齐*/
.u-flex-self-stretch {
  align-self: stretch
}

/*// 多轴交叉时的对齐方式*/

/*// 起点对齐*/
.u-flex-content-start {
  align-content: flex-start
}

/*// 居中对齐*/
.u-flex-content-center {
  align-content: center
}

/*// 终点对齐*/
.u-flex-content-end {
  align-content: flex-end
}

/*// 两端对齐*/
.u-flex-content-between {
  align-content: space-between
}

/*// 均分间距*/
.u-flex-content-around {
  align-content: space-around
}

/*// 均分间距*/
.u-flex-evenly {
  justify-content: space-evenly;
}

/*// 全部居中对齐*/
.u-flex-middle {
  justify-content: center;
  align-items: center;
  align-self: center;
  align-content: center
}

/*// 是否可以放大*/
.u-flex-grow {
  flex-grow: 1
}

/*// 是否可以缩小*/
.u-flex-shrink {
  flex-shrink: 1
}
.u-flex-shrink-0{
  flex-shrink: 0
}

.btndef {
  background: none !important;
  color: #333333 !important;
  font-size: 20rpx;

  &::after {
    border: none;
  }
}