/* 间距 */
.mt-5{
	margin-top: 5px;
}
.mt-10{
	margin-top: 10px;
}
.mt-15{
	margin-top: 15px;
}
.mt-20{
	margin-top: 20px;
}
.mt-30{
	margin-top: 30px;
}

.ml-5{
	margin-left: 5px;
}
.ml-10{
	margin-left: 10px;
}
.ml-15{
	margin-left: 15px;
}
.ml-20{
	margin-left: 20px;
}

.mr-5{
	margin-right: 5px;
}
.mr-10{
	margin-right: 10px;
}
.mr-15{
	margin-right: 15px;
}
.mr-20{
	margin-right: 20px;
}

.mb-5{
	margin-bottom: 5px;
}
.mb-10{
	margin-bottom: 10px;
}
.mb-20{
	margin-bottom: 20px;
}
.mb-30{
	margin-bottom: 30px;
}

/* 字体 */
.font-12{
	font-size: 12px;
}
.font-14{
	font-size: 14px;
}
.font-16{
	font-size: 16px;
}
.font-18{
	font-size: 18px;
}
.font-20{
	font-size: 20px;
}

/* 颜色 */
.blue{
	color: #518EFF;
}
.white{
	color: #FFFFFF;
}
.font-gray{
	color: #666666;
}
.font-dark{
	color: #111111;
}
.font-bold{
	font-weight: 700;
}

/* 布局 */
.flex{
	display: flex;
}
.flex-1{
	flex: 1;
}
.flex-v{
	flex-direction: column;
}
.align-center{
	align-items: center;
}
.justify-between{
	justify-content: space-between;
}
.justify-around{
	justify-content: space-around;
}
.block{
	display: block;
}