body{
    background: url(../img/bg2.jpg);
}
h1 img{
    margin:0 auto;
 }
.wrap{
    width: 1900px;
    margin:0 auto; 
    position:relative;
    overflow:hidden;
}
 /*header*/
.header{
    height: 5600px;
    position:relative;
}
.header .logo{
    position:absolute;
    top:0;
    left:10px;
}
.header ol{
    border-radius: 5px;
    position:absolute;
    right:20px;
    top:20px;
    background: #1a1c1e;
    border: 2px solid #89847d;
    padding:5px 15px;
}
.header ol li{
    float: left;
    width: 80px;
    height: 20px;
    line-height: 19px;
    text-align: center;
    border-right: 2px solid #fed599;
}
.header ol li.current{
    border:0 none;
}
.header ol li a{
    font-size:16px;
    color:#fed599;
}



.xchx {
    width: 1000px;
    margin: 50px auto 100px;
}
.xchx .bt{
    width: 100%;
}
.xchx .bt img{
    display: block;
    margin:0 auto 30px;
}
.xchx .box{
    width: 980px;
    height: 275px;
    overflow:hidden;
    position:relative;
    border: 10px solid #89847d;
    margin: 0 auto;
}
.xchx .box ul{
    width: 100000px;
    position:absolute;
    left:0px;
    top:0px;
}
.box ul li{
    float: left;
    height: 275px;
}
.xchx .box ul li img{
    height: 275px;
}





.footer{
    text-align: center;
    height: 70px;
    font-size:18px;
    color:#fff;
}


@media screen and (max-width: 1900px) {
     body{
         background: url(../img/bg.jpg);
     }
     .xchx{
        margin-left:50px;
     }
}