.top{
	width: 100%;
	height: 184px;
	background: url(../img/top-img.png);
}
.top img{
	margin-top: 42px;
}
.nav{
	width: 100%;
	height: 50px;
	background: #e50007;
}
.nav a:first-child{
	float: left;
	display: block;
    font-size: 18px;
    color: #fff;
}
.nav ul{
	margin-bottom: 0;
}
.nav ul li{
	float: left;
	text-align: center;
	line-height: 50px;
	position: relative;
}
.nav ul li a{
	color: #fff;
	font-size: 18px;
	width: 120px;
	text-decoration: none;
}
.nav ul .navItem{
	background: rgba(0,0,0,.5);
}
.nav ul li:hover{
	background: rgba(0,0,0,.5);
}

.nav .xiala{
	position: absolute;
    top: 50px;
    width: 100%;
    z-index: 999;
    background: #e50007;
    font-size: 16px;
    color: #fff;
    padding: 7% 0;
    display: none;
}
.nav ul li:hover .xiala{
	display: block;
}
.nav .xiala dd{
    line-height: 34px;
}
.nav .xiala dd a{
	color: #fff;
}
.xiala dd:hover .aaa{
	background: rgba(0,0,0,.5);
}
.xiala dd ol{
	position: absolute;
    left: 123px;
    width: 130px;
    background: #e50007;
    text-align: center;
    display: none;
}
.xiala dd .Industry{
	top: 82px;
}
.xiala dd ol li{
	width: 100%;
	line-height: 30px;
}
.xiala dd:hover ol{
	display: block;
}
.xiala dd ol li a{
	width: 100%;
	display: block;
}