|                                                                                                                                                                                                                                                                 |  | // .u-flex {
// 	@include vue-flex(row);
// }
// .u-flex-x {
// 	@include vue-flex(row);
// }
// .u-flex-y {
// 	@include vue-flex(column);
// }
// .u-flex-xy-center {
// 	@include vue-flex(row);
// 	justify-content: center;
// 	align-items: center;
// }
// .u-flex-x-center {
// 	@include vue-flex(row);
// 	justify-content: center;
// }
// .u-flex-y-center {
// 	@include vue-flex(column);
// 	justify-content: center;
// }
// flex布局
.u-flex,.u-flex-row,.u-flex-x {	@include flex;}
.u-flex-y,.u-flex-column {	@include flex(column);}
.u-flex-x-center {	@include flex;	justify-content: center;}
.u-flex-xy-center {	@include flex;	justify-content: center;	align-items: center;}
.u-flex-y-center {	@include flex;	align-items: center;}
.u-flex-x-left {	@include 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}
// 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}
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