.csjyth{
    margin:40px auto 80px;
    background: url(csjythindex-1.jpg) left top no-repeat;
    height:600px;
    width: 1000px;
    overflow: hidden;
}
.csjyth-left{
    width: 600px;
    float: left;
}
.csjyth-left li{
    float: left;
    width: 33.333%;
    height:400px;
}
.csjyth-left li a{
    float: right;
    width: 100px;
    height:175px;
}
.csjyth-left li:last-child{
    width: 100%;
    height:200px;
}
.csjyth-left li:last-child a{
    height:110px;
    width: 220px;
}
.csjyth-right{
    float: right;
    width:400px;
}
.csjyth-right li{
    font-size: 18px;
    float: left;
    width: 50%;
    height:200px;
    text-align: center;
}
.csjyth-right li a{
    display: block;
    color: #fff;
    padding-top:135px;
}
.csjyth-right li:nth-child(1){
    background: url(csjythindex-2.jpg) left top no-repeat;
    width: 100%;
}
.csjyth-right li:nth-child(1) a{
    background: url(csjythindexicon-1.png) center 60px no-repeat;
}
.csjyth-right li:nth-child(2){
    background: url(csjythindex-3.jpg) left top no-repeat;
}
.csjyth-right li:nth-child(2) a{
    background: url(csjythindexicon-2.png) center 60px no-repeat;
}
.csjyth-right li:nth-child(3){
    background: url(csjythindex-4.jpg) left top no-repeat;
}
.csjyth-right li:nth-child(3) a{
    background: url(csjythindexicon-3.png) center 60px no-repeat;
}
.csjyth-right li:nth-child(4){
    background: url(csjythindex-5.jpg) left top no-repeat;
}
.csjyth-right li:nth-child(4) a{
    background: url(csjythindexicon-4.png) center 60px no-repeat;
}
.csjyth-right li:nth-child(5){
    background: url(csjythindex-6.jpg) left top no-repeat;
}
.csjyth-right li:nth-child(5) a{
    background: url(csjythindexicon-5.png) center 60px no-repeat;
}