@charset "utf-8";
.teach-box {
    padding-top: 25px;
}

.teach-box .title .tit {
    color: #333;
    border-bottom: 0;
    float: left;
    font-size: 20px;
    margin-right: 24px;
    height: 40px;
    line-height: 40px;
    padding: 0;
    display: inline-block;
}
/*.teach-box .title .tit:hover{
    color: #00acef;
}*/
.teach-box .title ul {
    padding-top: 12px;
}

.teach-box .title ul li {
    float: left;
    color: #333;
    font-size: 0;
    position: relative;
    margin-right: 18px;
}

.teach-box .title ul a {
    color: inherit;
    font-size: 16px;
    line-height: 23.5px;
    display: inline-block;
}

.teach-box .title ul a:hover,
.teach-box .title .on a {
    color: #00acef;
}

.teach-box .title .on:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    display: inline-block;
    width: 0;
    height: 0;
    overflow: hidden;
    line-height: 0;
    font-size: 0;
    vertical-align: middle;
    border-bottom: 4px solid #00acef;
    border-top: 0 none;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    _color: #FF3FFF;
    _filter: chroma(color=#FF3FFF);
}

.teach-box .title .on a {
    border-bottom: 2px solid #00acef;
}
.teach-list{
    padding-top: 22px;
    padding-bottom: 22px;
}
.teach-list .item{
    width: 300px;
    background-color: #f0f0f0;
}
.teach-list .item .hd{
    display: block;
    width: 100%;
    height: 168px;
    position: relative;
}
.teach-list .item .hd .bg{
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: rgba(0,0,0,.5) url(/public/ckgsb/alumni/images/v-play.png) no-repeat center;
}
.teach-list .item .hd img{
    width: 100%;
    min-height: 100%;
}
.teach-list .item .bd h4{
    padding-top: 16px;
    min-height:2.4em;
    // padding-bottom: 4px;
}
.teach-list .item .bd{
   padding-left: 10px;
   padding-right: 10px; 
}
.teach-list .item .bd p{
    min-height: 6em;
    max-height: 6em;
    overflow: hidden;
}
.teach-list .item .bd a{
    font-size: 14px;
    color: #333;
    line-height: 1.2;
}
.teach-list .item .bd a:hover{
    color: #00acef;
}
.teach-list .item .bd p{
    font-size: 12px;
    color: #666;
    line-height: 2;
}
.teach-list .item{
    height: 327px;
}
.teach-list .item .ft{
    line-height: 44px;
    height: 44px;
    margin-left: 10px;
    margin-right: 10px;
    border-top: 1px dotted #bbb;
}
.teach-list .item .ft span{
    padding-left: 19px;
    background: url(/public/ckgsb/alumni/images/time.png) no-repeat left center;
}
.teach-list .con-item{
    display: none;
}
.con-item .item:first-child+.item{
    margin-left: 20px;
    margin-right: 20px;
}
.con-item .item:nth-of-type(3n+2){
    margin-left: 20px;
    margin-right: 20px;
}
.teach-list .only-txt .hd{
    overflow: hidden;
    height: auto;
    padding-top: 18px;
    font-size: 16px;
    color: #333;
    line-height: 1;
    padding-bottom: 11px;
    margin-left: 15px;
    margin-right: 15px;
}
.teach-list .only-txt .bd p{
    min-height: auto;
    margin-left: 15px;
    margin-right: 15px;
    text-indent: 2em;
    min-height: 20em;
    max-height: 20em;
}