.videocontainer{
       background-color: #eff1f4;
        padding: 30px 0px 30px 0px ; 
}

.videodetailcontent{
    width: 1200px;
    margin: 60px auto 30px;
}


.videodetailboxitem{
    /* width: 100%; */
    height: 236px;
    background-color: #fff;
    padding: 40px 50px;
    border-radius: 4px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.videodetailimg {
    width: 426px;
    height: 227px;
    margin-right: 40px;
}
.videodetailimg img{
    width: 426px;
    height: 227px;
    border-radius: 6px;
}

.videodetailtext{
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    height: 227px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    position: relative;
}
.videodetailtext h1{
    font-size: 26px;
    color: #333;
    font-weight: 700;
    line-height: 35px;
    margin-bottom: 12px;
}
.videodetailtext{
    font-size: 16px;
    color: #333;
    line-height: 22px;
    margin-bottom: 4px;
}

.videodetailbox2{
    width: 100%;
    min-height: 400px;
    margin-top: 24px;
    border-radius: 4px;
    font-size: 18px;
    color: #333;
    /* display: -webkit-box; */
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
}

.videodetailbox2content{
    width: 80%;
    /* width: 750px; */
    min-height: calc(100vh - 500px);
    margin-top: 24px;
    border-radius: 4px;
    padding: 20px 50px 40px 50px;
    background-color: #fff;
    font-size: 18px;
    color: #333;
}


.videodetailbox2title h1{
    /* margin-right: 84px; */
    line-height: 60px;
    position: relative;
    cursor: pointer;
    font-size: 24px;
    color: #666;
    border-bottom: 1px solid #f4f4f4;
    padding-left: 60px;
    height: 60px;
}
.videodetailbox2item{
    padding: 10px 60px 10px 60px;
    border-bottom: 1px solid #f4f4f4;
}
.videodetailbox2list{
    /* width: 750px; */
    padding: 12px 12px 12px 12px;
    height: 40px;
    font-size: 16px;
    line-height: 40px;
    list-style: none;
    border-radius: 4px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    color: #333;
    justify-content: space-between;
}
.triangle{
	width: 0;
	height: 0;
	border:10px solid transparent;
	border-left-color: #d8d8d8;
}
.videodetailbox2listtitle{
    display: flex;
    align-items: center;
}
.videodetailbox2listtitle .text{
    color: #7f7f7f;
}
.videodetailbox2liststudy{
    /* display: none; */
    width: 88px;
    height: 32px;
    line-height: 35px;
    text-align: center;
    font-size: 14px;
    color: #d8d8d8;
    border: 1px solid #d8d8d8;
    border-radius: 4px;
    background-color: transparent;
    outline: none;
}
.videodetailbox2list:hover{
    color: #f5912d;
    background-color: #f7f7f9;
    /* border: 1px solid #f5912d; */
}
.videodetailbox2list:hover .videodetailbox2liststudy{
    color: #f5912d;
    /* background-color: #f7f7f9; */
    border: 1px solid #f5912d;
}
.videodetailbox2list:hover .triangle{
    border-left-color: #f5912d;
}
.videodetailbox2list:hover .text{
    color: #f5912d;
}
.videodetailbox2content2{
    width: 28%;
    /* width: 309px; */
    background-color: #fff;
    margin-left: 20px;
    margin-top: 24px;
}

.videodetailbox2content2box{
    padding: 20px 20px 0;
}

.videodetailbox2content2title h1{
    height: 60px;
    padding: 10px 20px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    border-bottom: 1px solid #f4f4f4;
    font-size: 24px;

}
.videodetailbox2content2box{
    padding: 20px 20px 0;
}
.videodetailbox2content2item{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-bottom: 24px;
    cursor: pointer;
}
.videodetailbox2content2item h1{
    font-weight: 500;
    font-size: 14px;
    color: #333;
    line-height: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
}
.videodetailbox2content2item img{
    width: 116px;
    height: 62px;
    margin-right: 18px;
    border-radius: 2px;
}