.header
{
    width: 100%;
    position: relative;
    background: #eaebda;
    margin: 0 auto;
}
.header img
{
    width: 100%;
    display: block;
}
.nav
{
    width: 100%;
    position: absolute;
    height: 60px;
    top: 0;
    left: 0;
    background: rgba(0,0,0,0.1);
}
.logo
{
    float: left;
    width: 25%;
    height: 60px;
}
.logo img{width:295px;height:60px;float:right;margin-right:-60px}
.navCell
{
    float: left;
    width: 75%;
}
.navCell ul li
{
    float: left;
    height: 60px;
    line-height: 60px;
    padding-left: 60px;
    cursor: pointer;
}
.navCell ul li:first-child
{
    padding-left: 130px;
}
.navCell ul li a
{
    font-size: 14px;
    color: #fff;
}
.main
{
    width: 100%;
    background: #fff;
}

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

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