.big{
	width: 1920px;

}

.top{
	width: 1920px;
	height:110px;
	background:url(../img/top-3.jpg);
}

.top:hover{
	background: url(../img/top-4.jpg);
}

.top-left{
	float: left;
	width: 760px;
	height:110px;
}

.top-left img{
	margin-left: 120px;
	margin-top:20px;
}



.top-right{
	float: left;
	width: 1160px;
	height: 110px;
}

.sort{
	list-style: none;
	margin: 0px;
	padding: 0px;
	margin-left:200px;
}

.sort li{
	float: left; 
    width: 170px;
    height: 110px;
    line-height:110px;
    margin-left: 20px;
    text-align: center;
    font-size:22px;
    text-align: center;
}



.sort li:hover{
	background: #00B4FF;
	line-height:45px;
	margin-top: 32px;
	height:45px;
	border-radius:50px;
}


/*********first******************************************/

.first{
	width: 1920px;
	height:790px;
	background:url(../img/first.jpg);
	margin: 0 auto;
	padding-top: 40px;
}

.first-1{
	width: 1420px;
	height:40px;
	background: white;
	margin: 0 auto;
	padding-left: 20px ;
	padding-top: 20px;
}

.first-2{
	width: 1440px;
	height:650px;
	background: white;
	margin: 0 auto;
}

.first-left{
	margin-left: 20px;
    width: 185px;
	height:270px;
	float: left;
}


.first-right{
	margin-left: 20px;
    width:1155px;
	height:78px;
	float: left;
	border-bottom: 2px solid #00B4FF;
	line-height: 78px;
	font-size: 30px;
	font-weight: bold;
	padding-left: 40px;
}

.ul-1 li{
	margin-top:5px;
	background:#6dd4ff;
	color: white;
	height: 50px;
	width: 180px;
	list-style: none;
	line-height: 50px;
	padding-left: 5px;
}

.ul-1 li:hover{
	background: #00B4FF;
}

.first-right-2{
	margin-left:167px;
    width:900px;
	height:500px;
	font-size:18px ;
	line-height:50px;
	float: left;
}

.ul-2{
	list-style: none;
	padding: 0px;
}

.ul-2 a{
	color: black;
	text-decoration: none;
}

.ul-2 a:hover{
	color: #00B4FF;
}

a{text-decoration: none;
color: white;}





















/*********联系我们**************************************/
.con-1{
	width: 1250px;
	height:70px;
	background: black;
	opacity: 0.9;
	float: left;
}


.con-2{
	width: 1920px;
	height:100px;
	background:black;
	opacity: 0.9;
	float: left;
}

.con-1 a{
	line-height:70px;
	color: grey;
	margin-left: 40px;
	text-decoration: none;
}

.con-1{padding-left: 670px;}

.con-1 a:hover{text-decoration:underline}

.con-2 div{
	margin-left:120px;
	margin-top: 30px;
	float: left;
}
.con-2 div span:hover{
	text-decoration:underline
}

.con-3{
	width: 1920px;
	height:50px;
	background:black;
	opacity: 0.7;
	float: left;
	text-align: center;
}

.con-3-1 a{
	color: gray;
	line-height: 50px;
}

.con-3-1 a:hover{
	color:white;
	text-decoration: underline;
}