@charset "utf-8";
/* CSS Document */
.omit2{
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.omit1{
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.green-font{
    color: #FF5300;
    font-size: 20px; 
    font-weight: normal;
}
.common-title{
    margin-bottom: 20px;
}
.common-title h2{
    font-size: 22px;
    line-height: 29px;
    float: left;
}
.common-title .more{
    float: right;
    line-height: 29px;
    font-size: 16px;
    color: #666;
    padding-right: 24px;
    background: url(moreicon.png) no-repeat center right;
}
.date-empty{
    display: block;
    text-align: center;
    font-size: 14px;
    color: #bbb;
    padding: 180px 0px 40px 0px;
    line-height: 24px;
    background: url(../common/empty.png) no-repeat 50% 70px;
}
.course-banner{
    padding-left: 313px;
    box-sizing: border-box;
    margin-top: 10px;
}
.index-carousel{
    height: 320px;
    position: relative;
}
.index-carousel .swiper-button-prev,
.index-carousel .swiper-button-next{
   display: none;
}
.index-carousel-arrow__prev:hover,
.index-carousel-arrow__next:hover{
    opacity: 1;
}
.index-carousel-arrow__prev{
    left:280px;
    background-position: -100px -51px;
}
.index-carousel-arrow__next{
    right: 292px;
    background-position: -150px -51px;
}
/* banner下的广告 */
.banner-ad-box{
    height: 50px;
    line-height: 50px;
    background: #fff;
    margin-top: 11px;
    box-shadow: 0px 3px 6px 1px rgba(204,204,204,0.16);
    border-radius: 5px 5px 5px 5px;
    padding: 0 15px;
    box-sizing: border-box;
}
.banner-ad_title{
    font-weight: bold;
    font-size: 16px;
    margin-right: 50px;
}
.banner-ad_title font{
    color:#FF5300;
}
.banner-ad_item{
    margin-right: 48px;
}
.banner-ad_item font{
    font-size: 15px;
    vertical-align: middle;
}
.banner-ad_item img{
    vertical-align: middle;
    margin-right: 4px;
}
.common-box ul{
    margin-right: -17px;
}
.common-box li{
    float: left;
}
.common-box li>div{
    margin-right: 17px;
}
/* 直播公开课 */
.recently-live{ 
    float: left;
    width: 820px;
}
.live-box li{
    width: 33.33%;
}
.live-item{
    box-shadow: 0px 3px 6px 1px rgba(204,204,204,0.16);
    border-radius: 4px 4px 4px 4px;
    background: #fff;
    overflow: hidden;
}
.live-item_img{
    height: 145px;
    overflow: hidden;
    display: block;
    position: relative;
}
.live-item_img span{
    position: absolute;
    left: 12px;
    top: 13px;
    width: 60px;
    text-align: center;
    line-height: 20px;
    display: inline-block;
    color: #fff;
    background: #FC283A;
    border-radius: 4px 4px 4px 4px;
}
.live-item_img span::before{
    content: '';
    display: inline-block;
    width: 10px;
    height: 8px;
    background: url(liveicon.png) no-repeat center;
    margin-right: 2px;
}
.live-item_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.live-item_info{
    padding: 18px 10px 14px 13px;
    height: 146px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}
.live-item_info_label{
    margin-bottom: 10px;
}
.live-item_info_label span{
    line-height: 18px;
    padding: 0 4px;
    margin-right: 6px;
    color: #fff;
    display: none;
}
.live-item_info_label span:first-child{
    background: #FF5300;
    border-radius: 3px 3px 3px 3px;
    display: inline-block;
}
.live-item_info_label span:nth-child(2){
    background: #FF915E;
    border-radius: 3px 3px 3px 3px;
    display: inline-block;
}
.live-item_info_label span:nth-child(3){
    background: #FFEFEF;
    color: #FF5300;
    border: 1px solid #FF5300;
    border-radius: 3px 3px 3px 3px;
    box-sizing: border-box;
    height: 18px;
    line-height: 16px;
    display: inline-block;
}
.live-item_info h2{
    line-height: 24px;
    font-size: 15px;
    height: 44px;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 14px;
}
.live-item_info_data{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.live-item_info_data a{
    display: inline-block;
    width: 71px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    color: #fff;
    font-size: 13px;
    background: linear-gradient(145deg, #FF7300 0%, #FF5300 100%);
    border-radius: 14px 14px 14px 14px;
}
.live-item_info_data .study-num{
    padding-left: 20px;
    background: url(studynumicon.png) no-repeat center left;
    color: #666;
}
/* 直播订阅 */
.subscribe{
    float: right;
    width: 353px;
}
.subscribe-box{
    height: 291px;
    background: #FFFFFF;
    box-shadow: 0px 3px 6px 1px rgb(204 204 204 / 16%);
    border-radius: 4px 4px 4px 4px;
    padding: 26px 19px;
    box-sizing: border-box;
}
.subscribe-item{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}
.subscribe-item:last-child{
    margin-bottom: 0;
}
.subscribe-item_tc{
    width: 61px;
    height: 61px;
    border-radius: 61px;
    overflow: hidden;
    margin-right: 20px;
}
.subscribe-item_tc img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.subscribe-item_left{
    display: flex;
    align-items: center;
}
.subscribe-item_info{
    display: flex;
    flex-direction: column;
    height: 61px;
    justify-content: space-between;
}
.subscribe-item_info h2{
    font-size: 14px;
    font-weight: normal;
}
.subscribe-item_time span{
    margin-right: 8px;
}
.subscribe-item_time .subscribe-operation{
    margin-left: 8px;
}
.subscribe-operation{
    color:#FF5300;
}
.subscribe-item_intro{
    color: #666;
}
.item_tcname{
    margin-right: 5px;
}
.subscribe-btn{
    text-align: center;
    width: 52px;
    height: 25px;
    line-height: 25px;
    color: #fff;
    background: linear-gradient(145deg, #FF7300 0%, #FF5300 100%);
    border-radius: 14px 14px 14px 14px;
    font-size: 13px;
}
.subscribe-btn:hover{
    border: 1px solid #FF5300;
    background: #fff;
}
/* 精品课 */
.boutique-box li{
    width: 25%;
}
.boutique-item{
    background: #FFFFFF;
    box-shadow: 0px 3px 6px 1px rgba(204,204,204,0.16);
    border-radius: 7px 7px 7px 7px;
    overflow: hidden;
}
.boutique-item_img{
    display: block;
    height: 167px;
    overflow: hidden;
}
.boutique-item_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.boutique-item_info{
    padding: 10px 17px 17px;
    height: 186px;
    box-sizing: border-box;
    overflow: hidden;
}
.boutique-item_info h2{
    line-height: 24px;
    font-size: 15px;
    height: 44px;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 10px;
}
.boutique-item_info_label{
    margin-bottom: 15px;
}
.boutique-item_info_label span{
    line-height: 18px;
    padding: 0 4px;
    margin-right: 6px;
    color: #fff;
    display: none;
}
.boutique-item_info_label span:first-child{
    background: #FF5300;
    border-radius: 3px 3px 3px 3px;
    display: inline-block;
}
.boutique-item_info_label span:nth-child(2){
    background: #FF915E;
    border-radius: 3px 3px 3px 3px;
    display: inline-block;
}
.boutique-item_info_label span:nth-child(3){
    background: #EDEFF2;
    color: #798289;
    border-radius: 3px 3px 3px 3px;
    display: inline-block;
}
.boutique-item_info_time{
    color: #666;
    margin-bottom: 8px;
}
.boutique-item_info_time span:first-child{
    margin-right: 9px;
}
.boutique-item_info_time span:last-child{
    margin-left: 9px;
}
.boutique-item_info_tc{
    color: #666;
    margin-bottom: 11px;
}
.boutique-item_info_operation{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.boutique-num{
    color: #999;
}
.boutique-price{
    font-size: 16px;
    color: #FF5300;
    font-weight: bold;
}
.boutique-price font{
    font-size: 12px;
    margin-right: 2px;
}
.boutique-price .free_cor{
    font-size: 16px;
}
/* 微专业 */
.microspecialty-box li{
    width: 25%;
}
.microspecialty-item_img{
    height: 160px;
    overflow: hidden;
    display: block;
    border-radius: 4px 4px 0 0;
}
.microspecialty-item_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.microspecialty-item_info{
    padding: 10px 13px 0;
    height: 50px;
    box-sizing: border-box;
    overflow: hidden;
}
.microspecialty-item_info h2{
    font-size: 15px;
    font-weight: normal;
    margin-bottom: 3px;
    line-height: 20px;
}
.microspecialty-item_info p{
    font-size: 13px;
    color: #666;
    line-height: 17px;
}
/* 限时抢购 */
.timelimit-box li{
    width: 20%;
}
.timelimit-box ul{
    margin-right: -20px;
}
.timelimit-box .timelimit-item{
    margin-right: 20px;
}
.timelimit-item_img{
    height: 124px;
    overflow: hidden;
    display: block;
    border-radius: 4px;
}
.timelimit-item_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    overflow: hidden;
}
.timelimit-item_info{
    padding: 8px 0 0 10px;
    height: 81px;
    box-sizing: border-box;
}
.timelimit-item_info h2{
    font-size: 14px;
    line-height: 19px;
    margin-bottom: 8px;
    font-weight: normal;
}
.timelimit-item_info p{
    line-height: 16px;
    color: #666;
    margin-bottom: 6px;
}
.timelimit-item_operation{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.operation_price>span:first-child{
    font-size: 16px;
    font-weight: bold;
    color: #FF5300;
}
.operation_price .qgbg{display: none;}
.operation_price>span:first-child font{
    font-size: 12px;
}
.operation_price>span:last-child{
    color:#D4D4D4;
}
.timelimit-item_operation label{
    display: inline-block;
    line-height: 22px;
    padding: 0 3px;
    color: #FF5300;
    border: 1px solid #FF5300;
    border-radius: 5px 5px 5px 5px;
}
/* 中间的广告 */
.center-ad{
    width: 100%;
}
/* 新课推荐 */
.newcourse-box li{
    width: 25%;
}
.newcourse-item{
    background: #FFFFFF;
    box-shadow: 0px 3px 6px 1px rgba(204,204,204,0.16);
    border-radius: 5px 5px 5px 5px;
    overflow: hidden;
}
.newcourse-item_img{
    height: 156px;
    display: block;
    overflow: hidden;
    position: relative;
}
.newcourse-item_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.newcourse-recommend .newcourse-item_img::before{
    content: '';
    display: block;
    width: 54px;
    height: 48px;
    position: absolute;
    left: 0;
    top: 0;
    background: url(newcourseicon.png) no-repeat center;
}
.newcourse-item_info{
    padding: 13px 14px 12px;
    overflow: hidden;
    height: 132px;
    box-sizing: border-box;
}
.newcourse-item_info h2{
    font-size: 16px;
    font-weight: normal;
    line-height: 22px;
    height: 42px;
    overflow: hidden;
    margin-bottom: 12px;
}
.newcourse-item_label{
    margin-bottom: 17px;
}
.newcourse-item_label span {
    line-height: 18px;
    padding: 0 4px;
    margin-right: 6px;
    background: #EDEFF2;
    color: #798289;
    display: inline-block;
    border-radius: 3px 3px 3px 3px;
}
.newcourse-item_operation{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.newcourse-item_operation>span{
    color: #999;
}
.newcourse-item_operation .newcourse-item_price,.newcourse-item_price .free_cor{
    font-size: 16px;
    color: #FF5300;
    font-weight: bold;
}

.newcourse-item_price font {
    font-size: 12px;
    margin-right: 2px;
}
/* 免费好课 */
.freecourse-box li{
    width: 25%;
}
.freecourse-item{
    background: #FFFFFF;
    box-shadow: 0px 3px 6px 1px rgba(204,204,204,0.16);
    border-radius: 5px 5px 5px 5px;
    overflow: hidden;
}
.freecourse-item_img{
    display: block;
    height: 156px;
    overflow: hidden;
}
.freecourse-item_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.freecourse-item_info{
    padding: 13px 14px 14px;
    overflow: hidden;
    height: 135px;
    box-sizing: border-box;
}
.freecourse-item_info h2 {
    font-size: 16px;
    font-weight: normal;
    line-height: 22px;
    height: 42px;
    overflow: hidden;
    margin-bottom: 12px;
}
.freecourse-item_label{
    margin-bottom: 13px;
}
.freecourse-item_label span {
    line-height: 18px;
    padding: 0 4px;
    margin-right: 6px;
    background: #EDEFF2;
    color: #798289;
    display: inline-block;
    border-radius: 3px 3px 3px 3px;
}
.freecourse-item_operation{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.freecourse-item_operation span {
    color: #999;
}
.freecourse-item_price{
    width: 62px;
    text-align: center;
    line-height: 23px;
    color: #fff !important;
    height: 23px;
    background: linear-gradient(145deg, #FF7300 0%, #FF5300 100%);
    border-radius: 14px 14px 14px 14px;
    font-size: 13px;
}
/* 底部广告 */
.bottom-adbox{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 70px;
}
.bottom-adleft{
    width: 953px;
}
.bottom-right{
    width: 230px;
}
.bottom-adleft img,.bottom-right img{
    width: 100%;
    display: block;
}