/**
前端：李自然
产品：李浩珍
设计：陈梦奇
*/
.l_class_list{
    display: flex;
    flex-wrap: wrap;
    width: 1200px;
    padding: 20px 30px;
    box-sizing: border-box;
}
.l_class_item{
    margin-right: 40px;
    margin-bottom: 20px;
    box-sizing: border-box;
    padding: 15px;
    height: 169px;
    width: 548px;
    display: flex;
    border-bottom: 1px solid #EEEEEE;
}
.l_class_item:nth-child(2n){
    margin-right: 0;
}
.l_class_item:hover {
    cursor: pointer;
}
.l_class_item:hover .l_class_title{
    color: #1B70FC;
    cursor: pointer;
}
.l_class_pic{
    width: 110px;
    height: 139px;
    border-radius: 5px;
}
.l_class_pic img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.l_class_title{
    font-size: 16px;
    color: #1D1D1F;
    line-height: 28px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.l_class_info{
    margin-left: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.l_class_unit{
    padding-left: 20px;
    color: #999999;
    font-size: 14px;
    line-height: 20px;
    background: url(../images/class_unit_ico.png) no-repeat left center;
    background-size: 16px 16px;
}
.l_class_count{
    color: #999999;
    font-size: 14px;
    line-height: 20px;
}
.l_class_count span{
    margin-right: 40px;
}
.l_class_count_num{
    padding-left: 20px;
    background: url(../images/class_info_num.png) no-repeat left center;
    background-size: 16px 16px;
}
.l_class_count_redu{
    padding-left: 20px;
    background: url(../images/class_info_redu.png) no-repeat left center;
    background-size: 16px 16px;
}
.l_class_count_time{
    padding-left: 20px;
    background: url(../images/class_info_time.png) no-repeat left center;
    background-size: 16px 16px;
}
.l_class_detail{
    box-sizing: border-box;
    width: 1200px;
    background-color: #fff;
    border-radius: 12px;
}
.l_class_item.detail{
    width: 100%;
    height: 187px;
    padding: 24px;
    margin: 0;
}
.l_class_item.detail .l_class_title{
    font-size: 24px;
    line-height: 24px;
    font-weight: 700;
}
.l_class_item.detail:hover .l_class_title{
    color: #1D1D1F;
}
.l_class_text{
    color: #6C6C73;
    font-size: 14px;
    line-height: 22px;
}
.l_class_watch{
    padding-left: 20px;
    background: url(../images/class_info_watch.png) no-repeat left center;
    background-size: 16px 16px;
}
.l_detail_middle{
    box-sizing: border-box;
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex: 1;
}
.l_detail_btn{
    position: relative;
    width: 120px;
    height: 32px;
    line-height: 32px;
    font-size: 14px;
    background-color: #E8EFFD;
    border-radius: 20px;
    color: #1B70FC;
    padding-left: 57px;
    box-sizing: border-box;
}
.l_detail_btn::before{
    content: '';
    position: absolute;
    top: 50%;
    left: 37px;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: url(../images/detail_btn_ico.png) no-repeat center;
    background-size: 16px 16px;
}
.l_class_content{
    box-sizing: border-box;
    margin-top: 15px;
    padding: 0 20px;
    width: 100%;
}
.l_class_thead{
    padding: 0 20px;
    background: #F8F8F8;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    color: #6C6C73;
    font-weight: 700;
    display: flex;
    align-items: center;
}
.l_class_tbody{
    padding: 0 50px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    color: #6C6C73;
    display: flex;
    align-items: center;
}
.l_has_check{
    color: #6C6C73;
    font-size: 14px;
}
.l_has_check span{
    color: #1D1D1F;
    margin: 0 3px;
}
/* 复选按钮 */
.l_check_item{display:flex;margin-right:30px;}
.l_check_item:last-child{margin-right:0;}
.l_check_box{cursor:pointer;display:flex;align-items:center;}
.l_check_box:last-child{margin-right:0;}
.l_check{display:none;}
.l_check_text{
    line-height:20px;color: #6C6C73;font-size: 14px;
    width: 900px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

}

.l_check_text span{
    color: #1D1D1F;margin: 0 3px;
}
.l_check_text::before{content:'';margin-right:4px;display:inline-block;vertical-align:bottom;width:20px;height:20px;background:url('../images/check-no.png') no-repeat center;background-size:cover;}
.l_check:checked+.l_check_text::before{background:url('../images/check-ok.png') no-repeat center;background-size:cover;}
.l_check:disabled+.l_check_text::before{background:url('../images/check-dis.png') no-repeat center;background-size:cover;width: 18px;height: 18px;}

@media screen and (max-width: 750px) {
    .l_class_item{
        width: auto;
    }
}