.content-pcTemplateCourse .center{
    width: 1200px;
    margin: 0 auto;
}

.content-pcTemplateCourse .banner-content-box{
    background-image: url("../../images/onlineParentSchool/pcTemplateCourse.png");
}

.content-pcTemplateCourse .channel-content{
    padding: 23px 180px;
    display: flex;
    justify-content: space-around;
}

.content-pcTemplateCourse .channel-content .channel-item{
    width: 150px;
    height: 54px;
    line-height: 54px;
    border-radius: 40px;
    -moz-border-radius: 40px;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.content-pcTemplateCourse .channel-content .channel-item:first-of-type{
    background-image: url("../../images/onlineParentSchool/article_unsel.png");
}

.content-pcTemplateCourse .channel-content .channel-item:nth-of-type(2){
    background-image: url("../../images/onlineParentSchool/media_unsel.png");
}

.content-pcTemplateCourse .channel-content .channel-item:nth-of-type(3){
    background-image: url("../../images/onlineParentSchool/answer_unsel.png");
}

.content-pcTemplateCourse .channel-content .active:first-of-type{
    background-image: url("../../images/onlineParentSchool/article_sel.png");
}

.content-pcTemplateCourse .channel-content .active:nth-of-type(2){
    background-image: url("../../images/onlineParentSchool/media_sel.png");
}

.content-pcTemplateCourse .channel-content .active:nth-of-type(3){
    background-image: url("../../images/onlineParentSchool/answer_sel.png");
}

.content-pcTemplateCourse .main-content-box{
    width: 100%;
    background: #F8FBFC;
    min-height: calc(100vh - 496px);
    padding: 30px 0 50px;
}

.content-pcTemplateCourse .main-content{
    background: #FFFFFF;
    box-shadow: 0px 4px 8px rgba(211, 211, 211, 0.25);
    padding: 50px 40px 40px;
}

.content-pcTemplateCourse .new-item {
    display: flex;
    align-items: center;
}

.content-pcTemplateCourse .new-item>img {
    width: 37px;
    margin-right: 12px;
    position: relative;
    top: 2px;
}