.main_lf{
    float: left;
    width:900px;

}
.main_lf>p:first-child{
    line-height: 50px;
    font-size: 14px;
    color: #a7a7a7;
    border-bottom: 1px solid #d1d1d1;
}

.main_lf>div{
    width:100%;
    height:170px;
    padding-top: 20px;
}
.main_lf>div>a:first-child{
    display: inline-block;
    float: left;
    margin-right: 40px;
}
.main_lf>div>h3{
    font-size: 20px;
    color: #152B53;
    padding-top: 40px;
}
.main_lf>div .zixun{
    margin-top: 20px;
    font-size: 14px;
    color:#fff;
    width:115px;
    height:40px;
    background: #152B53;
    text-align: center;
    line-height: 40px;
    border-radius: 20px;
    float: left;
    display: inline-block;
}
.main_lf>div .zixun:hover{
    background: #D81C2D;
}
.main_lf_box{

}
.main_lf_box li>h3{
    height:60px;
    line-height: 60px;
    color: #152B53;
    font-size: 20px;
    background: url("../image/dash.png") no-repeat right center;
}
.teacher_box{
    padding:30px 0;
}
.teacher_box h3{

    font-weight: bold;
    float: left;
    font-size:22px;
    height: 45px;
    line-height: 45px;
    width:200px;
    border-bottom: 1px solid #2344A7;
}
.teacher_box h3 a{
    color: #000;
}
.teacher_box:hover h3 a{
    color:#D81C2D;
}
.teacher_box:hover h3{
    border-color: #D81C2D;
}
.teacher_box:hover a.zhezhao{
    display: inline-block;
}
.teacher_box div{
    position: relative;
    float: left;
    margin-right: 30px;
}
 a.zhezhao{
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    width:170px;
    background:rgba(33,68,169,.5);
}
.teacher_box a img{
    width: 170px;
}
.teacher_box p:nth-child(3){
    margin-top: 55px;
    font-size: 14px;
    color: #000;
}
.teacher_box p:nth-child(4){
    line-height: 26px;
    margin-top: 50px;
    height: 125px;
    width:700px;
    margin-left: 200px;
    color: #747474;
}



.main_rt{
    width:270px;
    float: right;
    padding-top: 50px;
}
.main_rt>div{
    background: #fff;
    -webkit-box-shadow: 0 0 30px 0 rgba(25, 71, 153, .1);
    -moz-box-shadow: 0 0 30px 0 rgba(25, 71, 153, .1);
    box-shadow: 0 0 30px 0 rgba(25, 71, 153, .1);
}
.main_rt>div>a{
    display: inline-block;
    width:100%;
    height:60px;
    background: url("../image/A1_right1.png") no-repeat;
    color: #fff;
    font-size: 22px;
    text-align: center;
    line-height: 60px;
}
.main_rt_box{}
.main_rt_box>li{
    width:100%;
    text-align: center;
}
.main_rt_box  a{
    display: inline-block;
    font-size: 16px;
    color:#969696;
}
.main_rt_box>li>a{
    width:100%;
    height:60px;
    line-height: 60px;
}
.main_rt_box>li>a.active,.main_rt_box>li>a:hover{
    color: #ffffff;
    background: url("../image/A1_right_xz.png") no-repeat center center;
    background-size: 240px 42px;
}
.erji{
    display: none;
}
.erji a{
    font-size: 14px;
    line-height: 40px;
}
.main_rt i{
    display: inline-block;
    width:4px;
    height:4px;
    background: #969696;
    margin-right: 5px;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius: 2px;
}

.main_rt>div:nth-child(2){
    margin-top: 35px;
    padding-bottom: 20px;
}
.main_rt>div:nth-child(2) ul{
    width:100%;
}
.main_rt>div:nth-child(2) li{
    height: 40px;
    line-height: 40px;
    padding-left: 40px;

}
.main_rt>div:nth-child(2) li:hover a{
    color: #152B53;
}
.main_rt>div:nth-child(2) li:hover i{
    background: #152B53;
}
.main_rt>div:nth-child(2) i{
    margin-right: 10px;
    vertical-align: middle;
}
.main_rt>div:nth-child(2) a{
    display: inline-block;
}