.content_box{
    /*height: 1280px;*/
    margin-bottom: 20px;
}
.box_left_body{
    width: 100%;
    /*height: 1200px;*/
    background-color: #FFF;
    /*margin-bottom: 70px;*/
    border-radius: 10px;
}
.box_left_body{
    padding: 20px;
}
.box_left_body .txtList{
    overflow: hidden;
    width: 100%;
    border-bottom: 1px solid #E7E7E7;
    margin-bottom: 40px;
}
.box_left_body .txtList > img{
    width: 260px;
    /* height: 180px; */
    float: left;
    border-radius: 10px;
}
.box_left_body .txtList  > div{
    width: 630px;
    height: 180px;
    margin-left: 34px;
    float: left;
    cursor: pointer;
}
.box_left_body .txtList  > div:hover p:nth-child(1){
    color: #22A0FF;
}
.box_left_body .txtList  > div p:nth-child(1){
    margin-top: 10px;
    font-size: 18px;
    height: 32px;
    line-height: 32px;
    color: #222222;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    font-weight: bold;
}
.box_left_body .txtList  > div p:nth-child(2){
    font-size: 14px;
    height: 55px;
    color: #666666;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    margin: 20px 0;
}
.box_left_body .txtList  > div p:nth-child(3) span{
    font-size: 12px;
    color: #999999;
}
.box_left_body .txtList  > div p:nth-child(3) span:nth-child(1){
    float: left;
}
.box_left_body .txtList  > div p:nth-child(3) span:nth-child(2){
    /*float: right;*/
    margin-left: 25px;
}
.box_left_body .txtList  > div p:nth-child(3) span img{
    width: 16px;
    height: 16px;
    display: inline-block;
    margin-right: 5px;
}
.box_left_body .txtListTow{
    overflow: hidden;
    width: 100%;
    border-bottom: 1px solid #E7E7E7;
    margin-bottom: 40px;
}
.box_left_body .txtListTow > img{
    width: 260px;
    /* height: 180px; */
    float: left;
    border-radius: 10px;
}
.box_left_body .txtListTow  > div{
    width: 630px;
    height: 180px;
    margin-left: 34px;
    float: left;
    cursor: pointer;
}
.box_left_body .txtListTow  > div:hover p:nth-child(1){
    color: #22A0FF;
}
.box_left_body .txtListTow  > div p:nth-child(1){
    margin-top: 10px;
    font-size: 18px;
    height: 32px;
    line-height: 32px;
    color: #222222;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    font-weight: bold;
}
.box_left_body .txtListTow  > div p:nth-child(2){
    font-size: 14px;
    height: 55px;
    color: #666666;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    margin: 20px 0;
}
.box_left_body .txtListTow  > div p:nth-child(3) span{
    font-size: 12px;
    color: #999999;
}
.box_left_body .txtListTow  > div p:nth-child(3) span:nth-child(1){
    float: left;
}
.box_left_body .txtListTow  > div p:nth-child(3) span:nth-child(2){
    /*float: right;*/
    margin-left: 25px;
}
.box_left_body .txtListTow  > div p:nth-child(3) span img{
    width: 16px;
    height: 16px;
    display: inline-block;
    margin-right: 5px;
}



.environmentList{
    float: left;
    margin-right: 30px;
    width: 250px;
    height: 196px;
    border-radius: 10px;
    box-shadow:0 11px 17px 1px rgba(0,140,255,0.11);
    padding-top: 5px;
    position: relative;
    margin-bottom: 30px;
}

.environmentList:nth-child(3n){
    margin-right: 0;
}
.environmentList2{
    height: 170px;
}
.environmentList img{
    cursor: pointer;
   width: 233px;
    height: 157px;
    margin: 0 auto;
    border-radius: 5px;
}
.environmentList .play{
    width: 50px;
    height: 50px;
    position: absolute;
    left: 100px;
    top: 54px;
}
.environmentList p{
    text-align: center;
    font-size: 12px;
    margin-top: 10px;
}
.el-pagination{
    margin-top: 15px;
}
#m{
    width: 760px;
    height: 400px;
    margin-left: auto;
    margin-right: auto;
}
#my-video{
    width: 100%;
    height: 100%;
}

.vjs-time-tooltip {
    width: 50px;
}