.mod-4{

    padding-top: 70px;

    background-image: url(https://www.k12zx.com/statics/index/zt_2_img/bj.jpg);

    background-repeat: no-repeat;

    background-position: center top;

}

.mod-4 h2{

    text-align: center;

    font-size: 40px;

    color:#fff;

}



.mod-4 .service{

    background-image: url(https://www.k12zx.com/statics/index/zt_2_img/border2.jpg);

    background-repeat: repeat-x;

    background-position: center;

    text-align: center;

    margin-top: 15px;

    margin-bottom: 70px;

}

.mod-4 .service p{

    padding:0px 30px;

    color:#fff;

    font-size: 24px;

    background: #3f81be;

    position: relative;



    display: inline-block;

}

.mod-4 p:before {

    content: "";

    width: 11px;

    height: 11px;

    position: absolute;

    left: 0;

    top: 50%;

    margin-top: -5px;

    border-radius: 50%;

}

.mod-4 .service p:after {

    content: "";

    width: 11px;

    height: 11px;

    position: absolute;

    right: 0;

    top: 50%;

    margin-top: -5px;

    border-radius: 50%;

}

.mod-4 .service p:after, .mod-4 .service p:before {

    background-image: url(https://www.k12zx.com/statics/index/zt_2_img/border2.jpg);

}

.content2 .lii1,.content2 .lii2,.content2 .lii3{

    background:#fff;

    margin:0 2% 0 0;

}
.content2 .lii4{
    margin: 0px;
    background: #fff;
}
.content2 p{

    line-height: 25px;
    color: #333;

}