.teach {
    width: 1198px;
    height: 460px;
    margin-bottom: 30px;
    border: 1px solid #DDDDDD;
}

.pic_title {
    width: 98%;
    height: 30px;
    margin: 10px;
    border-bottom: 2px solid #8B0017;
}

.teach .pic {
    width: 100%;
}

.title_l {
    font-size: 18px;
    color: #8B0017;
}

.title_r a {
    font-size: 12px;
    color: #8B0017;
}

.pic_up a img {
    height: 240px;
    width: 180px;
}

.pic ul {
    margin-left: 35px;
}

.pic ul li {
    float: left;
    margin-right: 10px;
    margin-top: 15px;
}

.jieshao {
    margin-top: 10px;
    width: 180px;
    height: 120px;
    border-top: 3px solid #8B0017;
    text-align: center;
    background-color: #F7F7F7;
}

.jieshao a {
    font-size: 18px;
    font-weight: bold;
    color: #8B0017;
}

.jieshao p {
    display: block;
    line-height: 24px;
    color: #727272;
    padding-top: 5px;
    background-color: #f7f7f7;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}