/***************************名师课堂页面 start**************************************************************/
.teachers_banner{
    width:100%;
    height:320px;
    background:url("../images/index/teachers_banner.jpg") no-repeat center;
    overflow:hidden;
}
.teachers{
    width:1170px;
    background:#fff;
    margin:20px 0;
    overflow:hidden;
}
.teachers_btn{
    width:100%;
    line-height:50px;
    padding:0 20px;
    border-bottom:1px solid #eee;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.teachers_btn dt{
    float:left;
    width:80px;
    text-align: center;
    overflow:hidden;
}
.teachers_btn dd{
    float:left;
    margin:10px 0;
}
.teachers_btn dd a{
    float:left;
    width:30px;
    height:30px;
    line-height:30px;
    text-align: center;
    border-bottom:1px solid transparent;
}
.teachers_btn dd a:not(:last-child){
    margin-right:10px;
}
.teachers_btn dd a:hover,.teachers_btn dd a.icon_xian{
    color:#fff;
    background:#31c6ce;
}

.teachers_all{
    width:100%;
    overflow:hidden;
}
.teachers_page{
    width:100%;
    overflow:hidden;
}
.teachers_item{
    width:100%;
    padding:10px 20px;
    margin-bottom:20px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.teachers_item li{
    width:100%;
    margin-top:20px;
    transition:all .3s;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.teachers_item li:first-child{
    background:#fffaf5;
}
.teachers_item li:nth-child(2){
    background:#fafff0;
}
.teachers_item li:nth-child(3){
    background:#effff9;
}
.teachers_item li:nth-child(4){
    background:#edfcff;
}
.teachers_item li:nth-child(5){
    background:#f6f9ff;
}
.teachers_item li:nth-child(6){
    background:#fffaf5;
}
.teachers_item li:nth-child(7){
    background:#fafff0;
}
.teachers_item li:nth-child(8){
    background:#effff9;
}
.teachers_item li:nth-child(9){
    background:#edfcff;
}
.teachers_item li:nth-child(10){
    background:#f6f9ff;
}

.teachers_item li:hover{
    box-shadow:0 5px 20px rgba(0,0,0,.1);
}
.teachers_item li>a{
    float:left;
    width:190px;
    overflow:hidden;
}
.teachers_item li span{
    display:block;
    width:190px;
    overflow:hidden;
}
.teachers_item li span img{
    width:190px;
    height:190px;
}
.teachers_item_r{
    float:left;
    width:915px;
    padding:20px 20px 20px 0;
    margin-left:25px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.teachers_item_r h3{
    display:block;
    width:100%;
    height:40px;
    line-height:40px;
    color:#000;
    font-size:16px;
    overflow:hidden;
}
.teachers_item_r p{
    width:100%;
    line-height:26px;
	color:#666;
    overflow:hidden;
}
.teachers_item_r a.enter{
    display:block;
    width:100%;
    height:30px;
    line-height:30px;
    border-radius:5px;
    color:#ff7e00;
    text-align:right;
    margin-top:20px;
    overflow:hidden;
}
.teachers_item li a.enter:hover{
    text-decoration: underline;
}
/***************************名师课堂页面 end**************************************************************/