.gan_bu{
    /* margin-top: 16px; */
}
.gan_bu_top ul li{
    float: left;
    display: block;
    height: 62px;
    line-height: 62px;
    letter-spacing: 3px;
    font-size: 14px;
    color: #999;
    padding-left: 12px;
    box-sizing: border-box;
}
/* 左侧部分 */
.gan_bu_left{
    width: 880px;
}
.gan_bu_tip,
.gan_bu_buttom{
    padding: 16px 16px 28px 16px;
    box-sizing: border-box;
    background-color: #f8f8f8;
    box-shadow: 1px 1px #999;
}
.gan_bu_tip{
   overflow: hidden;
}
.gan_bu_tip .gan_bu_tipleft{
    width: 90px;
    /* height: 160px; */
    margin-right: 12px;
}


.gan_bu_tip .gan_bu_tipleft p{
    width: 90px;
    height: 28px;
    background-color: #dfdfdf;
    color: #666;
    text-align: center;
    line-height: 28px;
}
.gan_tip_right{
    width: 746px;
}
.gan_tip_right .shehui{
    /* height: 44px; */
    overflow: hidden;
    background-color: #fff;
    padding-top: 8px;
    box-sizing: border-box;
}
.gan_tip_right .jinr ul li,
.gan_tip_right .shehui ul li{
    float: left;
    height: 28px;
    line-height: 26px;
    padding: 0 12px;
    box-sizing: border-box;
    border:1px solid #999;
    margin-right: 12px;
    margin-bottom: 12px;
}
.gan_tip_right .shehui ul li{
    margin-left: 12px;
    margin-right: 0;
}
.gan_tip_right .jinr ul li:hover,
.gan_tip_right .shehui ul li:hover{
    background-color: #c4503e;
    border:1px solid #c4503e;
}
.gan_tip_right .jinr ul li:hover a,
.gan_tip_right .shehui ul li:hover a{
    color: #fff;
}
.gan_tip_right .jinr ul li a,
.gan_tip_right .shehui ul li a{
    display: block;
    height: 28px;
}
.gan_bu_buttom{
    /* margin-top: 40px; */
    padding: 16px 16px 0 16px;
    box-sizing: border-box;
}
.gan_bu_buttoms ul li{
    float: left;
    display: block;
    height: 28px;
    line-height: 28px;
    font-size: 14px;
    padding: 0 12px;
    background-color: #e7e7e7;
    margin-right: 12px;
}
.gan_button_content{

}
.gan_button_content>ul>li{
    position: relative;
    height: 122px;
    margin-top: 20px;
    padding: 16px 16px;
    box-sizing: border-box;
    background-color: #fff;
}
.tu{
    width: 120px;
    height: 90px;
    margin-right: 16px;
}
.tu img{
    width: 120px;
    height: 90px;
}
.li_right h3{
    width: 660px;
    font-size: 18px;
    color: #232323;
    letter-spacing: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.li_right>ul>li{
    float: left;
    margin-right: 24px;
    margin-top: 22px;
    letter-spacing: 3px;
}
.redian{
    width: 520px;
    margin-top: 20px;
    font-size: 14px;
    line-height: 22px;
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
-webkit-box-orient: vertical;
text-align: justify !important;
}
.redian span{
    padding: 3px 4px;
    box-sizing: border-box;
    background-color: #c4503e;
    color: #fff;
    margin-right: 4px;
    letter-spacing: 2px;
}
.xiangqi{
    position: absolute;
    width: 100px;
    height: 36px;
    right:16px;
    bottom: 16px;
}
.xiangqi a{
    display: block;
    border:1px solid #999;
    text-align: center;
    line-height: 36px;
    font-size: 16px;
    color: #999;
    letter-spacing: 2px;
}
.xiangqi a:hover{
    background-color: #c4503e;
    color: #fff;
    border:1px solid #c4503e;
}


.gan_bu_buttoms ul li.tab{
    background-color: #c4503e;
    color: #fff;
}
.mo .gan_button_content{
    display: none;
}
.mo .gan_button_content.div_show{
    display: block;
}
.gan_tip_right .shehui{
    display: none;
}
.gan_tip_right .shehui.div_show{
    display: block;
}
.shehui ul li:first-child{
    background-color: #c4503e;
}
.shehui ul li:first-child a{
    color: #fff;
}
.jinr ul li.tabs{
    background-color: #c4503e;
} 
.jinr ul li.tabs a{
    color: #fff;
}
/* 右侧部分 */
.gan_bu_right{
    margin-left: 40px;
}
.hot_course {
    padding: 20px 20px;
    background:rgba(248,248,248,1);
    box-shadow:1px 1px 3px 0px rgba(131,131,131,0.75);
    box-sizing: border-box;
}
.gan_bu_teacher{
    font-size:24px;
    font-weight:bold;
    font-family:Microsoft YaHei;
    box-sizing: border-box;
    color: #c4503a;
}
.gan_bu_teacher span:last-child{
    display: block;
    height: 4px;
    width: 60px;
    background-color: #c4503e;
    margin-top: 16px;
}
.gan_bu_teacherup{
    width: 240px;
}
.gan_bu_teacherup ul{
    width: 262px;
    margin-top: 10px;
}
.gan_bu_teacherup ul li{
    float: left;
    text-align: center;
    width: 111px;
    height: 134px;
    margin-top: 10px;
    margin-right: 19px;
}
.gan_bu_teacherup ul li a{
    display: block;
    width: 111px;
    height: 111px;
}
.gan_bu_teacherup ul li a img{
    display: block;
    width: 111px;
    height: 111px;
    margin-bottom: 10px;
    border-radius: 50%;
    overflow: hidden;
}
.gan_bu_teacherup ul li a span{
    font-size: 14px;
    color: #666;
    letter-spacing: 3px;
}