.aboutNav-rt{
   
    background: url('../images/电子.png') no-repeat left center;
}
.content{
    position: relative;
    width: 1200px;
    margin: 35px auto 45px;
}
.anniu-lt{
    display: block;
    position: absolute;
    top: 268px;
    left: 9px;
    width: 35px;
    height: 35px;
    background: url('../images/prolt.png')no-repeat center;
}
.anniu-rt{
    display: block;
    position: absolute;
    top: 268px;
    right: 9px;
    width: 35px;
    height: 35px;
    background: url('../images/prort.png')no-repeat center;
}
.cont-list{
    width: 1100px;
    margin: 0 auto;
}
.cont-list li{
    width: 346px;
    float: left;
    padding-bottom: 15px;
    background: #f5f5f5;
    margin-bottom: 30px;
}
.cont-list li img{
    display: block;
    width: 318px;
    height: 210px;
    margin: 15px auto;
}
.cont-list li p{
    text-align: center;
    font-size: 16px;
}
.cont-list li:nth-child(3n+2){
    margin: 0 30px;
}
.page{
    text-align: center;
    margin-top: 18px;
}
.page a{
    margin-left:5px;
    display: inline-block;
    width: 28px;
    height: 28px;
    text-align: center;
    line-height: 28px;
    border: 1px solid #e4e4e4;
    color: #7f7f7f;
    font-size: 14px;
    vertical-align: middle;
}
.page .prev{
    background: url('../images/pagelt.png')no-repeat center;
}
.page .next{
    background: url('../images/pagert.png')no-repeat center;
}
.page .active{
    color: #fff;
    background: #0961bb;
    width: 30px;
    height: 30px;
    border: none;
}