.cont{
    width: 871px;
    margin: 90px auto 0;
    padding-bottom: 60px;
    border-bottom: 1px solid #e0e0e0;
}
.cont_lt{
    float: left;
    width: 337px;
    height: 197px;
    background: url('../images/stu.png')no-repeat;
    padding: 65px 36px 0;
    font-size: 14px;
    color: #4a4a4a;
    line-height: 24px;
}
.cont_lt2{
    float: left;
    width: 337px;
    height: 197px;
    background: url('../images/stu2.png')no-repeat;
    padding: 65px 36px 0;
    font-size: 14px;
    color: #4a4a4a;
    line-height: 24px;
}
.cont_rt{
    position: relative;
    float: right;
    width: 446px;
    height: 260px;
}
.cont_rt img{
    width: 100%;
    height: 100%;

}
.cont_rt p{
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 14px;
    color: #fff;
    background: rgba(0, 0, 0, .4);
}
#swiper1{
    width: 871px;
    margin: 30px auto 50px;
    padding-bottom: 30px;
}
#swiper1 .swiper-wrapper .swiper-slide{
    width: 100%;
}
.list_img li{
    width: 283px;
    margin-bottom: 29px;
    float: left;
}
.list_img li:nth-child(3n+2){
    margin: 0 10px;
}
.list_img li img{
    width: 100%;
    height:197px;
}
.list_img li p{
    font-size: 14px;
    width: 100%;
    text-align: center;
    margin-top: 15px;
}