body{
 background:url(../img/bg.gif) repeat center;

}
/*设置menu样式*/
.menu{
	  font-family:"黑体";
	  margin:0;
	  height:10%;
	  padding-top: 1rem;
	  }
.menu ul{
	padding:0;
	list-style-type:none;
}
.menu ul li
{
	float:left;
	position:relative;
}
.b{
   padding-top: 2.57rem;
}
.a{
   padding-left:4rem;
}
/*设置一级菜单的a样式，已访问过和鼠标悬停时的样式*/
.menu ul li a,.menu ul li a:visited
{
	display:block;
	text-align:center;
	text-decoration:none;
	width:22rem;
	height:2rem;
	color:#000;
	line-height:2rem;
	font-size:1rem;
}
.menu ul li a:hover
{
	color:#f20c00;
}
/*设置main样式*/
.main{
	  font-family:"黑体";
	  background:url(../img/dbj.jpg) no-repeat center;  
	  width: 100%;
	  height:50rem;
      margin: 0 auto;
	  background-size:cover;
	  padding-top: 2px;
}
.down{	
	color: #fff;
	width: 100%;
	background-color: #fff;
	padding-left: 7.5rem;
	padding-top: 2px;
}
.down p{
	font-family:.PingFangSC-Light;
	font-size: 1.71rem;
	line-height: 50px;
}
.down ul .li1 {
	float: left;
}
.down ul .li1 p{
	font-family: .SFNSText;
	font-size:1rem;
	color: #707070;
}
a{text-decoration:none;}