.nav_bg a{
	text-decoration:none;
	transition:all 0.3s;
}
.nav_bg{
	width:100%;
	background:dodgerblue;
	height:42px;
	color:#fff;
}
.nav_bg .nav_box{
	max-width:1100px;
	margin: auto;
}
.nav_box .current{
	background-color:royalblue;
}
.nav_box .nav_list{
	width:100%;
	display:flex;
	justify-content:space-around;
	align-items:center;
	text-align:center;
}
.nav_box .nav_list li{
	font-size:18px;
	color:#fff;
	line-height:40px;
	display:inline-block;
	width:100%;
	cursor:pointer;
	position:relative;
	transition:all 0.3s;
}
.nav_box .nav_list li:hover{
	background:royalblue;
}
.nav_box .nav_list li a{
	color:#fff;
	display:block !important;
}
.nav_box #nav_zx, .nav_box #nav_pp, .nav_box #nav_315, .nav_box #nav_zy{
	width:1100px;
    margin: auto;
    position:absolute;
	right:auto;
	text-align:center;
}
.nav_box #nav_pp{
	right:-220px;
}
.nav_box #nav_315{
	right:-110px;
}
.nav_box #nav_zy{
	right:0;
	left:auto;
}
.nav_box #zy::after{
	content:'';
	width:20px;
	height:20px;
	background:url(../../home/images/huo.png);
	background-size:cover;
	position:absolute;
	top:calc(50% - 12px);
	right:12px;
}
.nav_box #nav_zx li, .nav_box #nav_pp li, .nav_box #nav_315 li, .nav_box #nav_zy li{
	width:20%;
	float:left;
	line-height:40px;
	transition:all 0.3s;
}
.nav_box #nav_pp li{
	height:280px;
}
.nav_box #nav_zy li{
	height:400px;
}
.nav_box #nav_315 li{
	width:25%;
	height:400px;
}
.nav_box #nav_zx li:hover, .nav_box #nav_pp li:hover, .nav_box #nav_315 li:hover, .nav_box #nav_zy li:hover{
	background-color:rgba(30,144,225,0.85);
}
.nav_box #nav_zx li span, .nav_box #nav_pp li span, .nav_box #nav_315 li span, .nav_box #nav_zy li span{
	border-bottom:#eee solid 1px;
	width:74%;
    margin: auto;
    display:block;
	font-size:14px;
	font-weight:bold;
}
.nav_box #nav_zy li:last-child span{
	font-size:16px;
}.nav_box #nav_zy li:last-child a{
	font-size:14px;
}
.nav_bg .nav_box .nav_child{
	width:100%;
	position:absolute;
	top:40px;
	right:0;
	background-color:rgba(0,0,0,0.85);
	z-index:999;
	display:none;
}
.nav_box .nav_child a{
	display:inline-block;
	width:100%;
	/* height:100%; */
	font-size:12px;
	color:#fff;
}
.nav_box .nav_child a:hover{
	background-color:royalblue;
}

@media(max-width:1200px){
	.nav_bg .nav_box .nav_child{
		opacity:0;
	}
	.nav_box .nav_list > li:nth-child(1),.nav_box .nav_list > li:nth-child(2),.nav_box .nav_list > li:nth-child(7),.nav_box .nav_list > li:nth-child(9){
		display:none;
	}
	.nav_box .nav_list li a{
		font-size:14px;
	}
	.nav_box #zy::after{
		width:16px;
		height:16px;
		top:calc(50% - 10px);
		right:3px
	}
}