.box-bg{
	padding: 50px 0;
	background-repeat: no-repeat;
	background-size: cover;
}
.box{
	width: 80%;
	max-width: 1200px;
	margin: 0 auto;
}
.nav2list,.nav3list{
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.nav2{
	padding: 10px 15px;
}
.nav2.hv,.nav2:hover{
	background: #000;
}
.nav3{
	display: flex;
	justify-content: center;
	align-items: center;
	width: 132px;
	height: 116px;
	padding: 20px 15px;
	text-align: center;
	background: #909090;
}

@media (max-width: 999px) {
	.box{
		width: 100%;
		padding: 0 10px;
	}
	.nav2list{
		flex-wrap: wrap;
		padding-bottom: 10px;
	}
	.nav2list>.m{
		width: 100%;
	}
	.nav3list{
		flex-wrap: wrap;
		justify-content: space-evenly;
	}
	.b3{
		width: 50%;
		padding: 6px;
	}
}