.banner{
    width: 100%;
    height: auto;
    display: inline-block;
}
.banner img{
    width: 100%;
}
.ab-top {
    width: 100%;
    height: auto;
    display: inline-block;
    border-bottom: 1px solid #e8e8e8;
}
.abt-left {
    float: left;
    line-height: 65px;
    letter-spacing: 1px;
}
.abt-left img {
    float: left;
    margin-right: 6px;
    margin-top: 24px;
}
.abt-left p {
    float: left;
}
.abt-nav {
    float: right;
    line-height: 73px;
}
.abt-nav li {
    float: left;
    margin-left: 45px;
}
.abt-nav li a {
    color: #000;
    font-size: 18px;
}
.abt-nav li:hover{
    border-bottom:1px solid#1e63ac;
}
.boxs {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 30px;
}
.boxs li {
    width: 24%;
    float: left;
    text-align: center;
    margin-bottom: 30px;
    margin-right: 13px;
    border: 1px solid#bababa;
    padding-bottom: 10px;
}
.boxs li:nth-child(4n){margin-right:0;}
.boxs li img {
    width: 100%;
    height: 196px;
    overflow: hidden;
}
.boxs li p {
    font-size: 14px;
    color: #000;
    padding-top: 11px;
}
/*移动端导航*/
@media screen and (max-width: 1024px) and (min-width: 0px) {
    .abt-nav li {
        float: left;
        margin-right: 15px;
        margin-left: 0px;
    }
    .boxs li {
        width: 46%;
        float: left;
        text-align: center;
        margin-bottom: 30px;
        margin-right: 9px;
        border: 1px solid#bababa;
        padding-bottom: 10px;
    }
    .boxs li img{
        height: auto;
    }
    .boxs li:nth-child(4n) {
        margin-right: 9px;
    }

}