.play{
    padding: 25px 0;
    height: 577px;
    background-color: #2a2a2a;
    box-sizing: border-box;
}
/*course-play样式开始处*/
.course-play{
    width: 100%;

}
/*sideBar样式*/
.course-play .course-sideBar{
    width: 3.4%;
    height: 100%;
    background-color: #1c2022;
}

/*course-center样式*/
.course-play .course-center{
    width: 924px;
    height: 519px;
    box-sizing: border-box;
}
.course-play .course-center video{
    width: 100%;
    /*height: 100%;*/
}

/*course-right样式*/
.course-play .course-right{
    width: 275px;
    height: 519px;
    padding: 30px 10px;
    background-color: #1c2022;
    box-sizing: border-box;
    /*overflow-y: scroll;*/
}

.course-play .course-right .teacher-info{

}
.course-play .course-right .teacher-info .teacher-tit{

}
.course-right .teacher-info .teacher-tit img{
    margin-right: 10px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
}
.course-right .teacher-info .teacher-tit .right-box{
    margin-top: -4px;
}
.course-right .teacher-info .teacher-tit .right-box .name{
    color: #ffffff;
    font-size: 14px;
}
.course-right .teacher-info .teacher-tit .right-box .teacher-position{
    color: #e3e3e3;
    line-height: 16px;
}

.course-right .teacher-info .info{
    margin-top: 12px;
    color: #ffffff;
    line-height: 16px;
}

.course-right .chapter{

}
.course-right .chapter .chapter-tit{
    margin-top: 25px;
    color: #ffffff;
    font-size: 14px;
}
.course-right .chapter .chapter-box{
    margin-top: 20px;
}
.course-right .chapter .chapter-box .tit{
    color: #ffffff;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.chapter .outElem{
    height: 290px;
    width: 250px;
    overflow: hidden;
}
.chapter .inElem{
    overflow-y: scroll;
    width: 270px;
    height: 310px;
}
.chapter .chapter-box ul{
    margin-top: 10px;
}
.chapter .chapter-box ul li{
    margin-bottom: 10px;
    padding-left: 5px;
    width: 100%;
    height: 25px;
    cursor: pointer;
    font-size: 12px;
}
.chapter .chapter-box ul li:hover em{
    color: #ff5400!important;
}
.chapter .chapter-box ul li em{
    float: left;
    color: #e3e3e3;
}
.chapter .chapter-box ul li .dot{
    margin-right: 8px;
    font-size: 12px;
    color: #e3e3e3;
}
.chapter .chapter-box ul li .sec-tit{
    display: inline-block;
    margin-left: 10px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

}
.active{
    color: #ff5400!important;
}


/*recommend-course样式开始处*/
.main .wrap{
    min-height: 500px;
}
.recommend-course{

}
.recommend-course .tit{
    padding: 30px 5px 15px 5px;
    /* border-bottom: 1px dashed #e8e8e8; */
    font-size: 16px;
    box-sizing: border-box;
}
.recommend-course .tit:before{
    content: "■";
    float: left;
    margin-right: 10px;
    margin-top: -2px;
    color: rgb(255, 97, 97);
    font-size: 12px;
}
/*main-live样式开始处*/
.main-live{
    padding: 15px 0 20px;
    box-sizing: border-box;
}
.main-live .live-box{
    float: left;
    width: 220px;
    height: 125px;
    margin-right: 90px;
}
.main-live .live-box:nth-child(4n) {
    margin-right: 0;
}
.main-live .live-box a{
    display: inline-block;
    width: 100%;
}
.main-live .live-box a:hover{
    background-color: #ffffff;
    box-shadow: 0 0 15px rgba(0,0,0,.1);
    position: relative;
    display: block;
    border-radius: 5px;
}
.main-live .live-box a .live-img{
    width: 100%;
    height: 125px;
    border-radius: 5px;
}
.main-live .live-box .live-tit{
    margin-top: 8px;
}
.main-live .live-box .live-tit img{
    display: none;
    float: left;
    width: 6px;
    height: 19px;
    margin-right: 8px;
    margin-top: 2px;
}
.main-live .live-box a:hover .live-tit img{
    display: block;
}
.main-live .live-box .live-tit span{
    display: inline-block;
    font-size: 16px;
    letter-spacing: .75px;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.main-live .live-box .live-tit em{
    margin-right: 5px;
    float: right;
    color: #ff5400;
}
.main-live .live-box .live-tit em i{
    float: left;
    margin-top: 2px;
    margin-right: 5px;
    font-weight: bold;
    font-size: 14px;
}

.main-live .live-box a ul{
    max-height: 44px;
    overflow: hidden;
}
.main-live .live-box a:hover ul{
    max-height: 500px;
    padding-left: 10px;
    padding-bottom: 5px;
}
.main-live .live-box a ul li{
    width: 215px;
    color: #c0c0c0;
    letter-spacing: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.main-live .live-box a ul li:before{
    content: "•";
    color: #ffa26c;
    margin-right: 5px;
    font-size: 14px;
}
.main-live .live-box a .etc{
    margin-left: 12px;
    color: #c0c0c0;
}
.main-live .live-box a:hover .etc{
    display: none;
}


/*大课样式*/
.main{
    margin-top: 20px;
}
.main .left-box{
    width: 920px;
}


/*问答样式开始处*/
.wenda{
    background-color: #ffffff;
}
.wenda .tit{
    height: 68px;
    padding: 0 20px;
    line-height: 68px;
    font-size: 16px;
    border-bottom: 1px solid #e8e8e8;
    box-sizing: border-box;
}
.wenda .tit:before{
    content: "■";
    float: left;
    margin-right: 10px;
    margin-top: -2px;
    color: rgb(255, 97, 97);
    font-size: 12px;
}
.wenda .tit em{
    float: right;
    margin-top: 15px;
    margin-right: 10px;
    display: block;
    width: 105px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    color: #FFFFFF;
    font-size: 14px;
    border-radius: 5px;
    background-color: #00a4f9;
    cursor: pointer;
}
.wenda .none{
    height: 670px;
}


/*弹框样式开始处*/
.tiwen-swiper{
    padding: 50px 25px 20px;
    background-color: #ffffff;
}
.tiwen-swiper .select-box{

}
.tiwen-swiper .select-box select{
    width: 145px;
    height: 35px;
    margin-right: 15px;
    border: 1px solid #e8e8e8;
    border-radius: 5px;
}
.tiwen-swiper .select-box select option{

}
.tiwen-swiper .input{
    margin-top: 15px;
}
.tiwen-swiper .input input{
    padding-left: 5px;
    margin-bottom: 10px;
    width: 100%;
    height: 40px;
    border: 1px solid #e8e8e8;
    font-size: 14px;
    resize: none;
    line-height: 40px;
}
::-webkit-input-placeholder{/* WebKit browsers */
    color: #B6B6B6;
}
:-moz-placeholder{/* Mozilla Firefox 4 to 18 */
    color: #B6B6B6;
}
::-moz-placeholder{/* Mozilla Firefox 19+ */
    color: #B6B6B6;
}
:-ms-input-placeholder{/* Internet Explorer 10+ */
    color: #B6B6B6;
}
#editor{
    margin-top: 10px;
    padding: 0;
}
.tiwen-swiper .sec-box{
    margin-top: 20px;
}
.tiwen-swiper .sec-box a{
    display: inline-block;
    width: 90px;
    height: 38px;
    line-height: 38px;
    text-align: center;
    color: #ffffff;
    border-radius: 5px;
    font-size: 16px;
}
.tiwen-swiper .sec-box .cancel{
    margin-right: 10px;
    background-color: #D9D9D9;
}
.tiwen-swiper .sec-box .submit{
    background-color: #00A4F9;
}


.delivery-swiper{
    padding: 70px 0 45px;
    background-color: #ffffff;
    text-align: center;
    z-index: 99999999999;
}
.delivery-swiper p{
    font-size: 16px;
    margin-bottom: 30px;
}
.delivery-swiper p span{
    height: 28px;
    width: 68px;
    margin-left: 7px;
    line-height: 28px;
    display: inline-block;
    background-color: #47C93D;
    color: #ffffff;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
}
.delivery-swiper p:last-child{
    cursor: pointer;
}


/*问答样式开始处*/
 .question{
    min-height: 670px;
    padding: 30px 25px;
    background-color: #ffffff;
    box-sizing: border-box;
}
.question ul li:first-child{
    padding-top: 0;
}
 .question ul li{
    padding: 25px 0;
    border-bottom: 1px solid #e8e8e8;
}
 .question ul li:last-child{
    border: none;
}
.question ul li .question-tit p{
    font-size: 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
}
.question ul li .user-box{
    margin-top: 15px;
    font-size: 14px;
}
 .question ul li .user-box img{
    width: 25px;
    height: 25px;
    float: left;
    margin-right: 10px;
}
.question ul li .user-box span{
    margin-right: 5px;
    color: #888888;
}
.question ul li .user-box em{
    color: #888888;
}
.question ul li .user-box em:last-child{
    color: #24badd;
}
 .question ul li .user-box .from{
    cursor: pointer;
}
.question ul li .question-content{
    margin-top: 12px;
    font-size: 16px;
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
 .question ul li .sec-box{
    margin-top: 20px;
    font-size: 14px;
}
.question ul li .sec-box span{
    display: inline-block;
    margin-right: 20px;
    color: #CDCDCD;
}
.question ul li .sec-box .name{
    margin-right: 10px;
    float: left;
    display: inline-block;
    height: 23px;
    padding: 0 12px;
    line-height: 23px;
    background-color: #fff5e4;
    border-radius: 3px;
    color: #a55e49;
    font-size: 12px;
    letter-spacing: 1px;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
 .question ul li .sec-box span:last-child{
    margin-right: 0;
}
.question ul li .sec-box span i{
    margin-right: 7px;
    float: left;
    font-size: 18px;
    cursor: pointer;
}
.question ul li .sec-box span .icon-comment{
    font-size: 15px;
}





.main .sideBar{
    margin-left: 10px;
    width: 270px;
}

/*推荐课程样式开始处*/
.sideBar .recommend{
    padding: 15px 10px;
    background-color: #ffffff;
}
.sideBar .recommend .tit{
    padding: 0 5px 15px 5px;
    border-bottom: 1px dashed #e8e8e8;
    font-size: 16px;
    box-sizing: border-box;
}
.sideBar .recommend .tit:before{
    content: "■";
    float: left;
    margin-right: 10px;
    margin-top: -2px;
    color: rgb(255, 97, 97);
    font-size: 12px;
}

.sideBar .recommend ul{
    margin-top: 15px;
}
.sideBar .recommend ul li{
    position: relative;
    padding: 10px 5px 5px 10px;
    margin-bottom: 10px;
    font-size: 14px;
    cursor: pointer;
}
.sideBar .recommend ul li img{
    width: 234px;
    height: 130px;
    margin-right: 15px;
    border-radius: 5px;
}
.sideBar .recommend ul li p{
    margin-top: 5px;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 15px;
}
.sideBar .recommend ul li .sec-box{
    margin-top: 7px;
}
.sideBar .recommend ul li .sec-box span{
    float: right;
    display: inline-block;
    color: #cbcacb;

}
.sideBar .recommend ul li .sec-box span i{
    margin-right: 5px;
    font-size: 12px;
}
.sideBar .recommend ul li .sec-box em{
    float: left;
    color: #fe6d6a;
    font-size: 14px;
}
.sideBar .recommend ul li .sec-box .promotions{
    float: left;
    width: auto;
    margin-top: 0px;
    margin-left: 10px;
    height: 20px;
    padding: 0 10px;
    line-height: 20px;
    color: #ffffff;
    font-size: 12px;
    background-image: linear-gradient(-90deg, rgba(5, 152, 182, 0.6) 0%, rgba(54, 0, 159, 0.6) 100%);
    box-sizing: border-box;
    border-radius: 5px;
}