.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 */
/*// 此处为vue版本的简写，因为nvue不支持同时作用于两个类名的样式写法*/
/*// nvue下只能写成class="u-flex-x u-flex-x-reverse的形式"*/
.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
}

.u-flex-gap1 {
    gap: 10px;
}

.u-flex-gap2 {
    gap: 20px;
}

.u-mt1 {
    margin-top: 10px;
}

.u-mb1 {
    margin-bottom: 10px;
}

.u-mr1 {
    margin-right: 10px;
}

.u-ml1 {
    margin-left: 10px;
}
.u-pr1{
    padding-right: 10px;
}
.u-pl1{
    padding-left: 10px;
}
.u-pt1{
    padding-top: 10px;
}
.u-pb1{
    padding-bottom: 10px;
}
.u-cursor-pointer{
    cursor:pointer;
}
.u-font-fff{
    color: #fff;
}