@charset "UTF-8";
/****************名师讲堂 start****************/
#position span, #position a,
.layui-breadcrumb a cite{ color:#fff!important;}
#position a:hover{ color:#eee!important;}
#teacher{
    min-width:1280px;
    padding:0 0 20px;
    background:url(../images/teacher_bg.jpg) repeat-y center top;
}
/*名师检索 start*/
.show_select{
    width:100%;
    background:#fff;
    border-radius:5px;
    padding:25px 0 0;
    box-shadow:1px 1px 8px rgba(0,0,0,.05);
}
.sousuo{
    position:relative;
    width:55%;
    background:#fff;
    border-radius:50px;
    box-shadow:1px 1px 8px rgba(0,0,0,.05);
    padding:5px;
    margin:0 auto 20px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.sousuo input{
    width:100%;
    height:40px;
    line-height:40px;
    border-radius:5px 0 0 5px;
    border:0;
    font-size:16px;
    text-indent:15px;
    padding-right:90px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.sousuo a{
    position:absolute;
    right:5px;
    width:80px;
    height:40px;
    line-height:40px;
    background:#006369 url("../images/icon_search2.png") no-repeat center;
    border-radius:50px;
    border:0;
}
/*名师检索 end*/

/*名师列表 start*/
.teacher_list{
    width:100%;
}
.teacher_item{
    width:100%;
    overflow:hidden;
}
.teacher_item li{
    position:relative;
    float:left;
    width:calc(50% - 10px);
    height:242px;
    background:#fff;
    border-radius:10px;
    padding:20px;
    margin:0 20px 20px 0;
    transition:all .5s;
    box-shadow:1px 1px 8px rgba(0,0,0,.05);
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.teacher_item li:nth-child(2n){
    margin-right:0;
}
.teacher_item li:hover{
    background:rgba(255,255,255,0.8);
}
.teacher_item .t_btn{
    position:absolute;
    left:20px;
    top:20px;
    width:150px;
    height:200px;
    transition:all .5s;
    overflow:hidden;
}
.teacher_item .t_btn img{
    width:100%;
    transition:all .5s;
}
.teacher_item .t_nav{
    width:100%;
    padding:0 0 0 165px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.teacher_item .t_nav .t_name{
    display:block;
    width:100%;
    margin-bottom:10px;
    overflow:hidden;
}
.t_name span{
    display:block;
    width:100%;
    line-height:30px;
    font-size:18px;
    color:#000;
    overflow:hidden;
}
.teacher_item .t_nav a{ font-size:15px;}
.teacher_item .t_nav p{
    width:100%;
    height:50px;
    line-height:25px;
    color:#333;
    font-size:14px;
    margin-bottom:10px;
    overflow:hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
}
.teacher_item .t_nav .field{
    width:100%;
    height:50px;
    line-height:25px;
    color:#333;
    font-size:14px;
    margin-bottom:10px;
    overflow:hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp:2;
}
.teacher_item .t_watch{
    position:absolute;
    line-height:35px;
    background:#006369;
    color:#fff; 
    border-radius:40px;
    padding:0 25px;
    text-align: center;
    transition: all .3s;
    overflow:hidden;
}
.teacher_item li .t_watch:hover{
    padding:0 35px;   
}
.teacher_item li:hover img{
    transform:scale(1.1,1.1);
}
/*名师列表 end*/
/****************名师讲堂 end************/

/****************专家简介 start***********/
.this_banner{
    width:100%;
    min-width:1280px;
    height:350px;
    background:url("../images/this_banner.jpg") no-repeat center;
    overflow:hidden;
}
.this_teacher{
    width:100%;
    min-height:266px;
    background:rgba(0,0,0,.2);
    box-shadow:0 0 5px 1px rgba(255,255,255,0.2);
    border-radius:10px;
    padding:20px;
    margin:0 auto;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.this_left{
    position:absolute;
    left:20px;
    width:170px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.this_left img{ width:100%;}
.this_right{
    width:100%;
    min-height:180px;
    padding-left:200px;
    margin:0 auto;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.this_right h1{
    position:relative;
    width:100%;
    height:50px;
    line-height:50px;
    font-size:20px;
    color:#ffd800;
    margin:10px 0 10px 0;
    overflow:hidden;
    text-overflow: ellipsis;
    white-space:nowrap;
}
.this_right h1::after{
    content:'';
    position:absolute;
    bottom:0;
    left:0;
    width:40px;
    height:2px;
    background:#ffd800;
}
.this_right p{
    color:#fff;
    font-size:16px;
    margin-bottom:10px;
}
.this_right p.pro1{
    width:100%;
    height:35px;
    line-height:35px;
    overflow:hidden;
    text-overflow: ellipsis;
    white-space:nowrap;
}
.this_right .pro2{
    width:100%;
    line-height:35px;
    overflow:hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
}
#teacher_detail{ 
    background:#fff;
    box-shadow:0 0 4px 1px rgba(0,0,0,.05);
    border-radius:10px;
    margin:25px auto;
    overflow:hidden;
}
.tea_btn{
    width:100%;
    padding:5px 0 0;
    border-bottom:1px solid #eee;
    overflow:hidden;
}
.tea_btn li{
    display:inline-block;
    padding:0 10px;
    line-height:55px;
    border-bottom:3px solid #fff;
    font-size:18px;
    margin:0 30px 0 25px;
    cursor:pointer;
}
.tea_btn li.sel{
    color:#006369;
    border-bottom:3px solid #006369;
}

.tea_nav{
    width:100%;
    min-height:350px;
    background:#fff;
    padding:10px 25px 10px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.tea_list{
    width:100%;
    overflow:hidden;
    display:none;
}
/*专家简介 start*/
.tea_detail{
    width:100%;
    
}
.tea_detail li{
    width:100%;
    margin:20px 0;
    overflow:hidden;
}
.tea_detail li h3{
    width:100%;
    line-height:20px;
    color:#006369;
    font-size:18px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.tea_detail li h3 img{
    margin-right:7px;
    vertical-align:-3px;
}
.tea_detail li p{
    width:100%;
    line-height:30px;
    font-size:16px;
    color:#666;
    margin:20px 0;
}
/*专家简介 end*/

/*主讲课程 start*/
.tea_item{
    width:100%;
    overflow:hidden;
}
.tea_item li{
    position:relative;
    width:100%;
    min-height:180px;
    padding:20px 0;
    border-bottom:1px solid #eee;
    overflow:hidden;
}
.tea_item li:last-child{
    border:0;
    border-bottom:0;
}
.tea_item .t_left{
    position:absolute;
    left:0;
    width:270px;
    height:180px;
    overflow:hidden;
}
.tea_item .t_left img{
    width:100%;
    transition:all .5s;
}
.tea_item .t_left:hover img{
    transform:scale(1.1,1.1);
}
.tea_item .t_left i.mask{
    position:absolute;
    left:0;
    top:0;
    width:100%;
    height:100%;
    background:#000;
    opacity:0;
    z-index:9;
}
.tea_item .t_left i.icon_play{
    position:absolute;
    top:50%;
    left:50%;
    margin:-25px 0 0 -25px;
    width:50px;
    height:50px;
    background:url("../images/icon_play.png") no-repeat center;
    background-size:cover;
    transform: scale(1.5);
    -webkit-transform: scale(1.5);
    transition: all .3s ease-out;
    z-index:10;
    opacity:0;
}
.tea_item .t_left:hover i.mask{
    opacity:.3;
}
.tea_item .t_left:hover i.icon_play{
    transform:scale(1);
    opacity:1;
}

.tea_item .t_nav{
    width:100%;
    padding:10px 180px 15px 290px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.tea_item .t_nav a{
    display:block;
    width:100%;
    height:40px;
    line-height:40px;
    font-size:16px;
    margin-bottom:15px;
    overflow:hidden;
    text-overflow: ellipsis;
    white-space:nowrap;
}
#teacher_detail .t_nav p{
    width:100%;
    height:35px;
    line-height:35px;
    overflow:hidden;
    text-overflow: ellipsis;
    white-space:nowrap;
}
.tea_item .t_nav a:hover{
    color:#006369;
    text-decoration: underline;
}
.tea_item .t_nav p{ color:#999;}
.tea_item .t_nav i{ color:#006369;}
.tea_item .t_nav p em {
    float: left;
    margin-right: 15px;
}
.tea_item .t_tag,.tea_item .t_nav i {
    display:block;
    width:100%;
    height:40px;
    line-height:40px;
    color:#999;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.tea_item .t_tag span {
    float: left;
    margin-right: 10px;
    color: #999;
}
.tea_item .t_nav .field{
    width:100%;
    height:60px;
    line-height:30px;
    color:#777;
    overflow:hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
}
.tea_item .t_watch{
    position:absolute;
    right:0;
    top:50%;
    margin-top:-20px;
    width:150px;
    line-height:40px;
    background:#006369;
    border-radius:40px;
    color:#fff;
    text-align: center;
    overflow:hidden;
}
.tea_item .t_watch:hover{
    background:#1e969d;
    color:#fff;
}
/*主讲课程 start*/
/***************专家简介 end************/