.u-relative,
.u-rela {
	position: relative;
}

.u-absolute,
.u-abso {
	position: absolute;
}

// nvue不能用标签命名样式，不能放在微信组件中，否则微信开发工具会报警告，无法使用标签名当做选择器
/* #ifndef APP-NVUE */
image {
	display: inline-block;
}

// 在weex，也即nvue中，所有元素默认为border-box
view,
text {
	box-sizing: border-box;
}
/* #endif */

.u-font-xs {
	font-size: 22rpx;
}

.u-font-sm {
	font-size: 26rpx;
}

.u-font-md {
	font-size: 28rpx;
}

.u-font-lg {
	font-size: 30rpx;
}

.u-font-xl {
	font-size: 34rpx;
}

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


// 重置nvue的默认关于flex的样式
.u-reset-nvue {
	flex-direction: row;
	align-items: center;
}