/***************************名师简介 start**************************************************************/
.teachers_detail_ban{
    width:100%;
    height:320px;
    background:url("../images/index/teachers_banner.jpg") no-repeat center;
    overflow:hidden;
}

.teacher_detail{
    width:1170px;
    margin:20px 0;
    overflow:hidden;
}
.tea_detail{
    width:100%;
    overflow:hidden;
}
.now_location2{
    background:#fff;
    padding:0 20px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.tea_title{
    width:100%;
    padding:20px;
    background:#fff;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.tea_title span{
    float:left;
    width:100px;
    height:100px;
    border-radius:50%;
    overflow:hidden;
}
.tea_title span img{
    width:100px;
    height:100px;
}
.tea_title .tea_detail{
    float:left;
    width:1010px;
    margin:20px 0 20px 20px;
}
.tea_title .tea_detail h3{
    width:100%;
    height:30px;
    line-height:30px;
    margin-bottom:10px;
    overflow:hidden;
}
.tea_title .tea_detail p{
    width:100%;
    line-height:20px;
}
.tea_subject{
    width:100%;
    padding:0 20px;
    background:#fff;
    margin-top:20px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.tea_subject h2{
    width:100%;
    height:45px;
    line-height:45px;
    border-bottom:1px solid #eee;
    font-size:18px;
    overflow:hidden;
}
.tea_subject_list{
    width:100%;
    overflow:hidden;
}
.tea_subject_list li{
    float:left;
    width:212px;
    margin-top:18px;
    overflow:hidden;
}
.tea_subject_list li:not(:nth-child(5n)){
    margin-right:17.5px;
}
.tea_subject_list li a{
    display:block;
}
.tea_subject_list li span{
    position:relative;
    display:block;
    width:100%;
    height:148px;
    overflow:hidden;
}
.tea_subject_list li img{
    width:100%;
    height:148px;
    transition: all .3s;
}
.tea_subject_list li:hover img{
    transform:scale(1.2,1.2);
}
.tea_subject_list li i.sub_mask{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:148px;
    background:#000;
    opacity:0;
    z-index:9;
}
.tea_subject_list li i.sub_play{
    position:absolute;
    top:50%;
    left:50%;
    margin:-30px 0 0 -30px;
    width:60px;
    height:60px;
    background:url("../images/index/icon_play.png") no-repeat center;
    transform:scale(1.5);
    -webkit-transform:scale(1.5);
    transition:all .3s ease-out;
    z-index:10;
    opacity:0;
}
.tea_subject_list li:hover i.sub_mask{
    opacity:.3;
}
.tea_subject_list li:hover i.sub_play{
    transform:scale(1);
    opacity:1;
}



.tea_subject_list li h4{
    width:100%;
    height:30px;
    line-height:30px;
    font-size:15px;
    margin-top:10px;
    overflow:hidden;
}
.tea_subject_list li p{
    width:100%;
    height:22px;
    line-height:22px;
    font-size:12px;
    color:#666;
    overflow:hidden;
}
/***************************名师简介 end**************************************************************/