.box{
    width: 1200px;
    padding: 30px;
    margin: 100px auto 0;
    background-color: #fff;
    box-sizing: border-box;
    overflow: hidden;
}
.side{
    float: left;
    width: 230px;
}
.side h1{
    height: 55px;
    line-height: 55px;
    padding-left: 25px;
    color: #fff;
    font-size: 24px;
    background-color: #910000;
}
.side ul li a{
    display: block;
    height: 50px;
    line-height: 50px;
    padding-left: 30px;
    font-size: 18px;
    border-bottom: 1px solid #eee;
}
.side ul li.on a{
    background-color: #EEEEEE;
}

.wrapper{
    margin-left: 280px;
}
.bread{
    height: 55px;
    line-height: 55px;
    font-size: 16px;
    border-top: 1px solid #D8D8D8;
    border-bottom: 1px solid #D8D8D8;
}
.bread i{
    color: #666;
}
.bread span{
    padding: 0 10px;
}
.caption{
    text-align: center;
    padding: 30px 0 10px;
    border-bottom: 1px dashed #D2D2D2;
}
.caption h3{
    line-height: 30px;
    font-size: 24px;
    margin-bottom: 9px;
}
.content{
    margin-top: 25px;
    line-height: 1.75em;
    font-size: 16px;
    overflow: hidden;
}
.content p{
    font-size: 18px;
    text-indent: 2em;
    text-align: justify;
}

.list li{
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    border-bottom: 1px solid #D8D8D8;
    transition: .3s;
}
.list li:hover{
    padding-left: 10px;
    background-color: #F3F3F3;
}
.list li span{
    float: right;
    color: #666;
    font-size: 14px;
}
.list li p{
    position: relative;
    padding-left: 25px;
    margin-right: 100px;
}
.list li p:before{
    content: '';
    position: absolute;
    top: 19px;
    left: 0;
    width: 12px;
    height: 12px;
    border: 2px solid #666;
    border-radius: 50%;
}
.list li p:hover:before{
    border-color: #910000;
}

.list-img{
    margin-top: 30px;
}
.list-img li{
    padding-bottom: 20px;
    margin-bottom: 30px;
    border-bottom: 1px solid #D8D8D8;
}
.list-img li>a{
    float: left;
    width: 185px;
    height: 125px;
    overflow: hidden;
}
.list-img li img{
    width: 100%;
    height: 100%;
}
.list-img li img:hover{
    transform: scale(1.1);
}
.list-img li .info{
    height: 125px;
    margin-left: 205px;
}
.list-img li h3{
    line-height: 25px;
    font-size: 18px;
}
.list-img li p{
    height: 50px;
    line-height: 25px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    margin: 10px 0 15px;
    color: #888;
    font-size: 13px;
}
.list-img li span{
    color: #666;
}

.list-teacher{
    margin: 0 -20px 30px;
    overflow: hidden;
}
.list-teacher li{
    float: left;
    width: 260px;
    margin: 30px 20px 0;
    text-align: center;
}
.list-teacher li>a{
    display: block;
    height: 350px;
    overflow: hidden;
}
.list-teacher li img{
    width: 100%;
}
.list-teacher li img:hover{
    transform: scale(1.1);
}
.list-teacher li h4{
    margin: 15px 0 10px;
    font-size: 18px;
}
.list-teacher li p{
    color: #666;
}


@media screen and (max-width: 768px){
    .box{
        width: auto;
        margin-top: 65px;
        padding: 25px 15px;
    }
    .side{
        display: none;
    }
    .wrapper{
        margin-left: 0;
    }
    .bread{
        height: 40px;
        line-height: 40px;
        font-size: 14px;
    }
    .caption{
        padding-top: 20px;
    }
    .caption h3{
        font-size: 18px;
    }
    .caption p{
        font-size: 12px;
    }
    .content{
        margin-top: 20px;
    }
    .content p{
        font-size: 16px;
    }

    .list-teacher{
        margin: 0 0 25px;
    }
    .list-teacher li{
        float: none;
        margin: 25px auto 0;
    }

    .list-img{
        margin-top: 25px;
    }
    .list-img li{
        padding-bottom: 15px;
        margin-bottom: 20px;
    }
    .list-img li>a{
        float: left;
        width: 150px;
        height: 100px;
    }
    .list-img li .info{
        height: 100px;
        margin-left: 165px;
        font-size: 12px;
    }
    .list-img li h3{
        font-size: 16px;
    }
    .list-img li p {
        height: 40px;
        line-height: 20px;
        margin: 5px 0 10px;
        font-size: 12px;
    }

}