ul,li{
    margin: 0;
    padding: 0;
}

.banner{
    width: 100%;
    height: 500px;
}
.banner img{
    width: 100%;
    height: 500px;
}
.case-box{
    width: 100%;
    background: #f7f7f7;
}
.box-top{
    z-index: 3;
    position: relative;
}
.case-top{
    background: #fff;
    overflow: hidden;
    padding: 15px 0;
}

/*导师页面******************/
.teacher-list{
    width: 100%;
    overflow: hidden;
}
.teacher-list li{
    width: 400px;
    height: 550px;
    float: left;
    position: relative;

}

.teacher-list li a{
height: 100%;
    width: 100%;
    display: block;

}

.teacher-list li img{
    width: 100%;
    height: 550px;
    transition: 0.2s;
}
.teacher-list li img:hover{
    opacity: 0.9;
    transition: 0.2s;
}
.teacher-shaw{
    padding: 0 40px 0 30px;
    position: absolute;
    bottom: 0;
    overflow: hidden;
    color: #fff;
    margin-bottom: 20px;
}
.teacher-shaw h5{
    margin: 0;
    height: 40px;
    line-height: 40px;
    font-size: 30px;
}
.teacher-shaw p{
    height: 60px;
    line-height: 30px;
    overflow: hidden;
    padding-bottom: 30px;
    font-size: 18px;
}
@media screen and (max-width: 414px ){
    .banner{
        display: none;
    }
    .case-top{
        display: none;
    }
    .box-top{
        margin-top: 0;
        z-index: 3;
        position: relative;
    }
    .teacher-list{
        width: 100%;
        overflow: hidden;
        margin-top: 50px;
    }
    .teacher-list li{
        width: calc(100%/2);
        height:240px;
        float: left;
        position: relative;

    }
    .teacher-list li img{
        width: 100%;
        height:100%;
        transition: 0.2s;
    }
    .teacher-shaw h5{
        margin: 0;
        height: 25px;
        line-height: 25px;
        font-size: 16px;
    }
    .teacher-shaw p{
        height: 40px;
        line-height: 20px;
        overflow: hidden;
        padding-bottom: 0;
        margin-bottom: 10px;
        font-size: 14px;
    }
    .teacher-shaw {
        padding: 2px 23px;
        overflow: hidden;
        color: #fff;
    }

}