.header
{
    width: 100%;
    position: relative;
    background: #524c43;
    margin: 0 auto;
}
.header img
{
    width: 100%;
    display: block;
}
.nav
{
    width: 100%;
    position: absolute;
    height: 68px;
    top: 0;
    left: 0;
    background:#000;
	filter:alpha(opacity=70);  /*支持 IE 浏览器*/
-moz-opacity:0.70; /*支持 FireFox 浏览器*/
opacity:0.70; 
}
.logo
{
    float: left;
    width: 20%;
    height: 58px;margin-left:25%;
}
.logo img{height:58px;}
.navCell
{

    width: 55%; float:left;
}
.navCell ul li
{
    float: left;
    height: 68px;
    line-height: 68px;
    padding-left: 30px;
    cursor: pointer;
	
}
.navCell ul li:first-child
{
    padding-left:0%;
}
.navCell ul li a
{
    font-size: 16px;
    color: #fff;padding-left: 20px;

}
.navCell ul li a:hover
{
    background-color:#37a17b;
	display:block;

}
	
.main
{
    width: 100%;
    background: #fff;
}

.main .imgCell
{
    width: 1200px;
    position: relative;
    margin:0 auto;
}
.main .jpg_bgc
{
   background:
    margin: 0 auto; 
}


.imgCell .hidImg{display:none;position:fixed;width:50%;top:0;}