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

.u-flex-wrap {
	flex-wrap: wrap;
}

.u-flex-nowrap {
	flex-wrap: nowrap;
}

.u-col-center {
	align-items: center;
}

.u-col-top {
	align-items: flex-start;
}

.u-col-bottom {
	align-items: flex-end;
}

.u-row-center {
	justify-content: center;
}

.u-row-left {
	justify-content: flex-start;
}

.u-row-right {
	justify-content: flex-end;
}

.u-row-between {
	justify-content: space-between;
}

.u-row-around {
	justify-content: space-around;
}

.u-text-left {
	text-align: left;
}

.u-text-center {
	text-align: center;
}

.u-text-right {
	text-align: right;
}

.u-flex-col {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
}

// 定义flex等分
@for $i from 0 through 12 {
	.u-flex-#{$i} {
		flex: $i;
	}
}