.m_nav_list{
    display: flex;
    align-items: center;
    width: 100%;
    padding: .06rem .64rem 1.2rem;
    overflow-x: auto;
    font-size: 1.4rem;
    color: #666666;
    margin-top: 0.2rem;
}
.m_nav_list .nav-item-active {
    position: relative;
    font-size: 1.6rem;
    font-weight: bold;
    color: #333333;
}

.m_nav_list .nav-item {
    flex-shrink: 0;
    height: 2rem;
    margin-right: .88rem;
    line-height: 2rem;
    color: #333333;
    font-size: 1.6rem;
}
.m_nav_list .nav-item-active::after {
    position: absolute;
    bottom: -0.3rem;
    left: 50%;
    content: '';
    width: 1.4rem;
    height: .3rem;
    background: #DF3033;
    border-radius: .08rem;
    transform: translateX(-50%);
}
.m_video_container_section{
    padding-top: 0.5rem;
    background-color: #fff;
}
.mSearchCourseList{
    position: relative;
    padding: 1.2rem;
    background-color: #fff;
    overflow-y: auto;
}
.mvideo_item{
    width: 100%;
    margin: 0 auto 2rem;
    background-color: #fff;
    border-radius: 0.3rem;
    box-shadow: 0.2rem 0.2rem 0.5rem rgba(0,0,0,.1);
    padding-bottom: 0.5rem;
    overflow: hidden;
}
.mSearchCourseList{
    padding: 1.2rem;
}
.mvideo_img{
    width: 100%;
    height: 17rem;
}
.mvideo_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.mvideo_title{
    padding: 0 .48rem;
    margin: .38rem 0 .64rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #3F3F3F;
    word-break: break-all;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.position-static{
    position: sticky;
    top: 0;
    z-index: 99;
    background-color: #fff;
    box-shadow: 0.2rem 0.2rem 0.5rem rgba(0,0,0,.1);
    padding-top: 0.2rem;
}
.mvideo_info{
    padding: 0 .48rem;
    margin: .38rem 0 0.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.mvideo_time{
    color: #999;
}
.mvideo_hot{
    align-items: center;
    background: #ffeced;
    border-radius: 2px;
    color: #e31336;
    display: flex;
    flex-shrink: 0;
    font-size: 1.2rem;
    height: 2.2rem;
    justify-content: center;
    padding: 0 1rem;
}