.clearfix:after {
    clear: both;
    display: block;
    visibility: hidden;
    height: 0;
    content: ""
}
.fr{
	float:right;
}
/* layout */
.ks-row::after {
    display: block;
    clear: both;
    content: '';
}

.ks-col-1 {
    width: 4.16667%;
}

.ks-col-2 {
    width: 8.33333%;
}

.ks-col-3 {
    width: 12.5%;
}

.ks-col-4 {
    width: 16.66667%;
}

.ks-col-5 {
    width: 20.83333%;
}

.ks-col-6 {
    width: 25%;
}

.ks-col-7 {
    width: 29.16667%;
}

.ks-col-8 {
    width: 33.33333%;
}

.ks-col-9 {
    width: 37.5%;
}

.ks-col-10 {
    width: 41.66667%;
}

.ks-col-11 {
    width: 45.83333%;
}

.ks-col-12 {
    width: 50%;
}

.ks-col-13 {
    width: 54.16667%;
}

.ks-col-14 {
    width: 58.33333%;
}

.ks-col-15 {
    width: 62.5%;
}

.ks-col-16 {
    width: 66.66667%;
}

.ks-col-17 {
    width: 70.83333%;
}

.ks-col-18 {
    width: 75%;
}

.ks-col-19 {
    width: 79.16667%;
}

.ks-col-20 {
    width: 83.33333%;
}

.ks-col-21 {
    width: 87.5%;
}

.ks-col-22 {
    width: 91.66667%;
}

.ks-col-23 {
    width: 95.83333%;
}

.ks-col-24 {
    width: 100%;
}

[class*=ks-col-] {
    float: left;
    box-sizing: border-box;
}

/* image */
.ks-image img{
    object-fit: cover;
    width: 100%;
    height: 100%;
}
/* button */
.ks-button{
    display: inline-block;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    background: #fff;
    border: 1px solid #dcdfe6;
    color: #606266;
    -webkit-appearance: none;
    text-align: center;
    box-sizing: border-box;
    outline: none;
    margin: 0;
    transition: .1s;
    font-weight: 500;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    padding: 12px 20px;
    font-size: 14px;
    border-radius: 4px;
}
.ks-button+.ks-button {
    margin-left: 10px;
}
.ks-button--primary {
    color: #fff;
    background-color: #4184f5;
    border-color: #4184f5;
}
.ks-button--success {
    color: #fff;
    background-color: #35bf57;
    border-color: #35bf57;
}
.ks-button--info {
    color: #fff;
    background-color: #909399;
    border-color: #909399;
}
.ks-button--medium {
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 4px;
}
.ks-button--medium {
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 4px;
}
.ks-button--small {
    padding: 9px 15px;
    font-size: 13px;
    border-radius: 3px;
}
.ks-button--mini {
    padding: 7px 15px;
    font-size: 12px;
    border-radius: 3px;
}


.ks-button--primary:focus, .ks-button--primary:hover {
    background: #5994f7;
    border-color: #5994f7;
    color: #fff;
}
.ks-button--success:focus, .ks-button--success:hover {
    background: #47cf69;
    border-color: #47cf69;
    color: #fff;
}
.ks-button--warning{
    background: #f59121;
    border-color: #f59121;
    color: #fff;
}
.ks-button--warning:focus, .ks-button--warning:hover{
    background: #f79930;
    border-color: #f79930;
    color: #fff;
}
/* tag */
.ks-tag{
    background-color: #ecf5ff;
    display: inline-block;
    height: 32px;
    padding: 0 10px;
    line-height: 30px;
    font-size: 12px;
    color: #409eff;
    border: 1px solid #d9ecff;
    border-radius: 4px;
    box-sizing: border-box;
    white-space: nowrap;
}
.ks-tag+.ks-tag{
    margin-left: 10px;
}
.ks-tag.ks-tag--warning{
    background-color: #fdf6ec;
    border-color: #faecd8;
    color: #e6a23c;
}
.ks-tag.ks-tag--success {
    background-color: #f0f9eb;
    border-color: #e1f3d8;
    color: #67c23a;
}
.ks-tag.ks-tag--info {
    background-color: #f4f4f5;
    border-color: #e9e9eb;
    color: #909399;
}
.ks-tag.ks-tag--danger {
    background-color: #fef0f0;
    border-color: #fde2e2;
    color: #f56c6c;
}
.ks-tag--medium {
    height: 28px;
    line-height: 26px;
}
.ks-tag--small {
    height: 24px;
    padding: 0 8px;
    line-height: 22px;
}
.ks-tag--mini {
    height: 20px;
    padding: 0 5px;
    line-height: 19px;
}


/*input*/
.ks-input{
    -webkit-appearance: none;
    background-color: #fff;
    background-image: none;
    border-radius: 4px;
    border: 1px solid #dcdfe6;
    box-sizing: border-box;
    color: #606266;
    display: inline-block;
    font-size: inherit;
    outline: none;
    padding: 0 15px;
    transition: border-color .2s cubic-bezier(.645,.045,.355,1);
    width: 100%;
    font-size: 14px;
}
.ks-input{
    height: 40px;
    line-height: 40px;
}
textarea.ks-input{
    height: 120px;
    padding:10px 15px;
    line-height: 24px;
}
.ks-input:hover{
    border-color: #c0c4cc;
}
.ks-input:focus{
    outline: none;
    border-color: #4184f5;
}
/*alert*/
.ks-alert{
    width: 100%;
    padding: 8px 16px;
    margin: 0;
    box-sizing: border-box;
    border-radius: 4px;
    position: relative;
    background-color: #f4f4f5;
    color: #909399;
    overflow: hidden;
    opacity: 1;
    align-items: center;
}
.ks-alert--success{
    background-color: #f0f9eb;
    color: #67c23a;
}
.ks-alert--warning{
    background-color: #fdf6ec;
    color: #e6a23c;
}
.ks-alert--error{
    background-color: #fef0f0;
    color: #f56c6c;
}
/*字数限制*/
.ks-input-limit{
    position: relative;
}
.ks-input-limit__text{
    position: absolute;
    right: 15px;
    bottom: 15px;
    color:#909399;
}


/*图片预览放大*/
.ks-preview{
    background: #000;
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 9999;
    overflow: hidden;
}
.ks-preview__pagination{
    position: fixed;
    left: 0;
    width: 100%;
    height: 32px;
    line-height: 32px;
    top: 0;
    text-align: center;
    color:#fff;
    z-index: 11;
    background:rgba(0,0,0,0.5)
}
.ks-preview .swiper-zoom-container img{
    max-width: 100%;
    max-height: 100%;
    position: relative;
    z-index: 10;
}
/*课时目录*/

.ks-catalog-title{
    font-size: 14px;
    background-color: #f5f7fa;
    border-bottom: 1px solid #e6e9ed;
    color:#787c82;
    position: relative;
}
a.ks-catalog-title__periodname{
    color:#787c82;
    display: block;
}
a.ks-catalog-title__periodname:hover{
    color:#4184f5;
}
.ks-catalog-title__lock{
    width: 30px;
    height: 50px;
    background: url(./images/catalog/lesson_icon_lock.png) no-repeat 50% 50%;
    float: right;
    margin-left: 10px;
}

.ks-catalog-title__th{
    height: 50px;
    line-height: 50px;
    overflow: hidden;
    padding: 0 20px;
    position: relative;
    z-index: 1;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.ks-catalog-title__th--pointer{
    cursor: pointer;
}
.ks-catalog-title .ks-tag{
    margin-left: 10px;
}
.ks-catalog-title__time{
    float: right;
    margin-left: 10px;
}

.ks-catalog-title__money{
    float: right;
    margin-left: 20px;
    color:#f59121;
}
.ks-catalog-title__arrow{
    float: right;
    width: 50px;
    height: 50px;
    background: url(./images/catalog/lesson_icon_pulldown.png) no-repeat 50% 50%;
    cursor: pointer;
    position: relative;
    right: -20px;
}
.ks-catalog-title__arrow--pullup{
    background: url(./images/catalog/lesson_icon_pullup.png) no-repeat 50% 50%;
}
.ks-catalog-title .ks-button{
    float: right;
    position: relative;
    top:8px;
    margin-left: 20px;
    display: none;
}
.ks-catalog-chapter > .ks-catalog-title{
    font-size: 16px;
    background-image: url(./images/catalog/lesson_icon_chapter.png);
    background-repeat: no-repeat;
    background-position: 20px 50%;
    background-size:auto 14px;
    padding-left: 30px;
}
.ks-catalog-period {
    background: #fff;
}
.ks-catalog-period > .ks-catalog-title{
    background: none;
}
.ks-catalog-period:hover{
    background: #e6f0fd;
}
.ks-catalog-period:hover .ks-button{
    display: block;
}
.ks-catalog-section > .ks-catalog-title{
    background: #f0f2f5;
}

.ks-catalog-schedule,
.ks-catalog-schedule__learned{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top:0;
}
.ks-catalog-title__try{
    background: #4184f5;
    color:#fff;
    border-color:#4184f5;
}
.ks-catalog-schedule{
    background: #e6f0fd;
}
.ks-catalog-schedule__learned{
    background: #d9e7fd;
}
.ks-catalog-title__type0,
.ks-catalog-title__type1,
.ks-catalog-title__type2,
.ks-catalog-title__type3,
.ks-catalog-title__type-live{
    padding-right: 28px;
    height: 100%;
}
.ks-catalog-title__type0{
    background: url(./images/catalog/lesson_icon_video.png) no-repeat 100% 50%;
}
.ks-catalog-title__type1{
    background: url(./images/catalog/lesson_icon_audio.png) no-repeat 100% 50%;
}
.ks-catalog-title__type2{
    background: url(./images/catalog/lesson_icon_picture.png) no-repeat 100% 50%;
}
.ks-catalog-title__type3{
    background: url(./images/catalog/lesson_icon_pdf.png) no-repeat 100% 50%;
}
.ks-catalog-title__type-live{
    background: url(./images/catalog/lesson_icon_live.png) no-repeat 100% 50%;
}
.ks-catalog-title__live-state1{
    color:#4184f5;
}
.ks-catalog-title__more{
    float: right;
    width: 40px;
    height: 50px;
    background: url(./images/catalog/lesson_icon_more.png) no-repeat 50% 50%;
    background-size: 16px 16px;
    cursor: pointer;
    position: relative;
    margin-left: 10px;
    margin-right: -10px;
    z-index: 1;
}
.ks-catalog-title__btns{
    width: 120px;
    position: absolute;
    right: 0;
    top: 40px;
    background: #fff;
    z-index: 9;
    border-radius: 4px;
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.1);
    display: none;
}
.ks-catalog-title__btns a{
    display: block;
    height: 44px;
    line-height: 44px;
    color:#787c82;
    padding: 0 20px 0 42px;
    background-repeat: no-repeat;
    background-position: 20px 50%;
}
.ks-catalog-title__btns a:hover{
    background-color:#f9f9f9;
    color:#7cc5fe;
}
.ks-catalog-title__btn-lx{
    background-image: url(./images/catalog/lesson_icon_lx.png);
}
.ks-catalog-title__btn-record{
    background-image: url(./images/catalog/lesson_icon_record.png);
}
.ks-catalog-title__btn-down{
    background-image: url(./images/catalog/lesson_icon_down.png);
}

/*课时目录的另一种风格*/
.ks-catalog--axis{
    position: relative;
}
.ks-catalog--axis::before{
    content: '';
    width: 1px;
    height: 100%;
    background: #a4aab2;
    position:absolute;
    left:30px;
    top: 0;
}
.ks-catalog--axis .ks-catalog-title{
    background:none;
    border-bottom: 0px;
    padding:5px 0 5px 31px;
}
.ks-catalog--axis .ks-catalog-chapter > .ks-catalog-title{
    font-size: 14px;
    color:#606367;
}
.ks-catalog--axis .ks-catalog-period{
    position: relative;
}

.ks-catalog--axis .ks-catalog-schedot{
    width: 11px;
    height: 11px;
    position: absolute;
    left: 24px;
    top: 16px;
    background: #fff;
    border:1px solid #bbc2cb;
    border-radius: 50%;
    overflow: hidden;
}
.ks-catalog--axis .ks-catalog-schedot__learned{
    width: 100%;
    background: #4184f5;
    position: absolute;
    bottom: 0;
    left: 0;
}
.ks-catalog--axis .ks-catalog-title .ks-button{
    display: none;
}

.ks-catalog--axis .ks-catalog-title__try{
    display: none;
}
.ks-catalog--axis .ks-catalog-title__time{
    font-size: 12px;
}
.ks-catalog--axis .ks-catalog-title__type0,
.ks-catalog--axis .ks-catalog-title__type1,
.ks-catalog--axis .ks-catalog-title__type2,
.ks-catalog--axis .ks-catalog-title__type3,
.ks-catalog--axis .ks-catalog-title__type-live{
    background-size: auto 16px;
    padding-right: 22px;
}
.ks-catalog--axis .ks-catalog-title__id{
    height: 25px;
    width: 25px;
    text-align: center;
    font-size: 14px;
    border: 1px solid #bcc3cc;
    position: absolute;
    left: 17px;
    background: #fff;
    top: 50%;
    margin-top:-13px;
    border-radius:13px;
    text-align: center;
    line-height: 25px;
    box-sizing: border-box;
    font-size: 14px;
}
.ks-catalog--axis .ks-catalog-title__id--section{
    width: 31px;
    left: 15px;
    font-size: 12px;
}
.ks-catalog--axis .ks-catalog-title__btns{
    display: block;
    position: relative;
    width: inherit;
    top: -5px;
    background: none;
    box-shadow:0px 0px 0px #fff;
    line-height: 24px;
    height: 24px;
    overflow: hidden;
    display:none;
}
.ks-catalog--axis .ks-catalog-title__btns a{
    height: 24px;
    line-height: 24px;
    color:#98d2fd;
    width: 33.3%;
    float: left;
    box-sizing: border-box;
    padding-right: 0px;
    padding-left: 35px;
    background-position: 15px 50%;
    font-size: 13px;
}
.ks-catalog--axis .ks-catalog-title__btns a:hover{
    background-color: inherit;
}
.ks-catalog--axis .ks-catalog-period:hover,
.ks-catalog--axis .ks-catalog-period.active{
    background: #2f3133;
}
.ks-catalog--axis .ks-catalog-period.active .ks-catalog-title__btns{
    display: block;
}
.ks-catalog--axis .ks-catalog-period:hover .ks-catalog-title,
.ks-catalog--axis .ks-catalog-period.active .ks-catalog-title{
    color:#fff;
}
.ks-catalog--axis .ks-catalog-period:hover .ks-catalog-title__th a,
.ks-catalog--axis .ks-catalog-period.active .ks-catalog-title__th a{
    color:#fff;
}
.ks-catalog--axis .ks-catalog-period:hover .ks-catalog-title__time,
.ks-catalog--axis .ks-catalog-period.active .ks-catalog-title__time{
    color:#bcc3cc;
}
.ks-catalog--axis .ks-catalog-period:hover .ks-catalog-schedot,
.ks-catalog--axis .ks-catalog-period.active .ks-catalog-schedot{
    background: #2f3133;
}
.ks-catalog--axis .ks-catalog-period{
    background: none;
}
.ks-catalog--axis .ks-catalog-title__th{
    padding: 0 15px;
    
}
.ks-catalog--axis .ks-catalog-title__lock,
.ks-catalog--axis .ks-catalog-period .ks-catalog-title__th{
    height: 36px;
    line-height: 36px;
}
.ks-catalog--axis .ks-catalog-section > .ks-catalog-title{
    padding-left: 41px;
}

.ks-catalog-period-info{
    position: absolute;
    width: 100%;
    left: 0;
    top: -40px;
    background: #fff;
    padding: 10px;
    color:#6a6e75;
    display: none;
    z-index: 10;
    width: 92%;
    left: 4%;
    box-sizing: border-box;
    box-shadow: 0 3px 12px rgba(0,0,0,0.2);
    padding: 15px;
    top: -50px;
    font-weight: bold;
}
.ks-catalog-period-info::after{
    content: '';
    width: 14px;
    height: 7px;
    background: url(./images/popover/icon_arrow.png) no-repeat;
    position: absolute;
    left: 10px;
    bottom: -7px;
}

/*纯课时带swiper样式，适用手机版*/
.ks-catalog--slide {
    padding-right:10px;
}
.ks-catalog--slide .ks-catalog-period{
    background: #fff;
    padding: 40px 10px 20px 10px;
    margin-left: 10px;
    border: 1px solid #f2f4f6;
    background: #f2f4f6;
    border-radius: 4px;
}
.ks-catalog--slide .ks-catalog-title{
    border-bottom: 0px;
    line-height: 20px;
    font-size: 14px;
    height: 60px;
    overflow: hidden;

}
.ks-catalog--slide .ks-catalog-period__type{
    position: absolute;
    left: 10px;
    top: 10px;
    background: #8891a6;
    color:#fff;
    height: 20px;
    line-height: 20px;
    font-size: 10px;
    padding: 0 10px;
}
.ks-catalog--slide .active .ks-catalog-period{
    border: 1px solid #ff663d;
    background: #fff;
}
.ks-catalog--slide .active .ks-catalog-title{
    color:#ff663d;
}
.ks-catalog--slide .active .ks-catalog-period__type{
    background: #ff663d;
    color:#fff;
}
.ks-catalog--slide .ks-catalog-period__lock{
    width: 20px;
    height: 20px;
    background: url(./images/catalog/lesson_icon_lock.png) no-repeat 50% 50%;
    background-size: 20px;
    position: absolute;
    right: 10px;
    bottom: 10px;
}
/*课时资料*/
.ks-catalog-data__head{
    background: #f9f9f9;
}
.ks-catalog-data td{
    padding: 5px 10px;
    line-height: 32px;
    border-bottom: 1px solid #eee;
}
.ks-catalog-data__head td{
    text-align: center;
    border-bottom: 0px;
}

/*Popover 弹出框*/
.ks-popover{
    min-width:200px;
    position: absolute;
    left: 0;
    top: 0;
    background: #fff;
    padding:12px 15px;
    line-height: 20px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.15);
    box-sizing: border-box;
    font-size: 14px;
    color: #787c82;
    z-index: 10;
    display: none;
    border-radius: 3px;
}
.ks-popover--takeicon{
    padding-left: 42px;
}
.ks-popover__icon{
    position: absolute;
    left: 15px;
    top: 15px;
}
.ks-popover::after{
    content: '';
    width: 14px;
    height: 7px;
    background: url(./images/popover/icon_arrow.png) no-repeat;
    position: absolute;
    left: 10px;
    bottom: -7px;
}
.ks-popover--left::after{
    left:auto;
    right: 10px;
}
.ks-popover--top{
    box-shadow: 0 -3px 15px rgba(0, 0, 0, 0.15);
}
.ks-popover--top::after{
    bottom: auto;
    top: -7px;
    background: url(./images/popover/icon_arrow_up.png) no-repeat;
}

/*弹窗*/
.ks-popup{
    position: fixed;
    width: 800px;
    height: 400px;
    left: 50%;
    margin-left: -400px;
    top: 50%;
    margin-top: -200px;
    background: #fff;
    z-index: 10000;
    border-radius: 6px;
    color:#6a6e75;
}
.ks-popup-head{
    height: 46px;
    line-height: 46px;
    text-align: center;
    font-size: 16px;
    border-bottom: 1px solid #eee;
    color:#6a6e75;
}
.ks-popup-head__close{
    width: 46px;
    height: 46px;
    position: absolute;
    right: 0;
    top: 0;
    background: url(./images/popup/close.png) no-repeat 50% 50%;
    cursor: pointer;
}
.ks-popup--open .ks-popup-body{
    position: relative;
    height: calc(100% - 46px);
    overflow-x: hidden;
    overflow-y: auto;
}
.ks-popup-content{
    padding: 20px;
    line-height: 24px;
    font-size: 14px;
    position: relative;
}
.ks-popup-content--takeicon{
    padding-left: 62px;
}
.ks-popup-content__icon{
    position: absolute;
    left: 20px;
    top:16px;
    height: 32px;
}
.ks-popup-body__iframe{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    border: 0px;
}
.ks-popup--msg{
    max-width: 320px;
    background: rgba(0, 0, 0, .6);
    color:#fff;
}
.ks-popup--msg .ks-popup-content{
    padding:12px 15px;
}
.ks-popup-mask{
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    background: rgba(0, 0, 0, .6)
}
.ks-popup-mask--msg{
    background: none;
}
.ks-popup-footer{
    padding: 15px;
    text-align: right;
}

/*讨论*/
.ks-comment{ margin:20px 0;}
.ks-comment-textarea{resize: none;outline: none;border: 1px #ddd solid;border-radius: 4px;width: 100%;height: 140px;overflow: auto;font-size: 15px;padding:15px;box-sizing:border-box;display: block;}
.ks-comment-set{min-height: 35px;margin-top:10px;}
.ks-comment__expression,.ks-comment__image{ margin-left:10px; margin-top:6px; float:left; position:relative;}
#ks-comment__emoji{height: 22px;}
.ks-comment__expression img,.ks-comment__image img{width:22px;height: 22px;}
.ks-submit-btn{line-height: 32px;width: 100px;text-align: center;background-color: #3c81f9;color: #fff;border: 1px solid #3c81f9;float: right;border-radius: 3px;font-size: 14px;transition: .3s;cursor: pointer;}
.ks-comment-img .comment-img{ display: inline-block; width:120px; height: 80px; overflow: hidden; margin-right: 10px;margin-bottom: 10px;border-radius: 4px;}
.ks-comment-img .comment-img img{width: 100%;height: 100%;object-fit: cover;}

/*开关特效*/
#ks-comment-switch1{width:42px;height:24px;border-radius:20px;position:relative; cursor:pointer; float:left; margin-top:4px;}
#ks-comment-switch2{width:22px;height:22px;border-radius:20px;position:absolute;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.4)}
.ks-comment-open1{background:#3c81f9;border:1px solid #3c81f9;}
.ks-comment-open2{top:0px;right:0px;}
.ks-comment-close1{background:#f5f5f5;border:1px solid #d3d3d3;}
.ks-comment-close2{left:0;top:0;}
.ks-switch-text{ float:left; line-height:26px; color:#999; margin-left:10px; margin-top:4px;}
.ks-comment-list{ margin-top:30px;}
.ks-comment__li{margin-bottom: 20px;border-bottom: 1px solid #eee;}
.ks-comment__box{ position:relative; padding-left:54px;padding-bottom: 20px;margin-bottom: 20px;border-bottom: 1px solid #eee;}
.ks-comment__box:last-child{ margin-bottom:0; border-bottom:0;}
.ks-comment__first{ margin-bottom:0;border-bottom:0;}
.ks-comment__avator{ width:43px; height:43px; position:absolute; left:0;top:0; overflow:hidden; border-radius:43px;}
.ks-comment__avator img{width: 100%;height: 100%;object-fit: cover;}
.ks-comment__user-info h3{font-weight: normal;margin-bottom: 15px;color: #666;line-height: 14px;font-size: 14px;}
.ks-comment__content{line-height: 20px;font-size: 14px;margin-bottom: 15px;color: #666;}
.ks-comment__bottom{color: #bcc3cc;line-height: 13px; font-size:13px;}
.ks-comment__bottom span{ margin-right:20px;}
.ks-comment-look{color: #3c81f9;cursor: pointer;}
.ks-comment__reply{background: #f5f7fa;padding: 20px 20px 0;margin-bottom: 20px; display:none;}
.ks-no-reply{ padding:0 !important; margin-bottom:0 !important;}
.ks-emoji-img{ width:20px;vertical-align: middle;}
#ks-upload-showui:after,#ks-upload-showinput:after,#ks-upload-showimg:after{display: none !important;}

/*评论*/

.ks-evaluation-comment__head{
    height: 49px;
    line-height: 44px;
    font-size: 14px;
    color:#909399;
    margin-top: 10px;
}
.ks-evaluation-comment__score{
    display: inline-block;
}
.ks-evaluation-comment__star{
    width: 24px;
    height: 24px;
    display: inline-block;
    margin-left:5px;
    position: relative;
    top: 5px;
    background-image: url(./images/evaluation/common_btn_star_n.png);
    background-repeat: no-repeat;
    background-size: auto 100%;
    cursor: pointer;
}
.ks-evaluation-comment__star--on{
    background-image: url(./images/evaluation/common_btn_star_s.png);
}
.ks-evaluation-comment__scoretext{
    display: inline-block;
    color: #f5891e;
    margin-left: 15px;
}
.ks-evaluation-comment__foot{
    text-align: right;
    padding: 10px 0 15px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}
.ks-evaluation{
    position: relative;
    min-height: 40px;
    padding: 15px 0;
}
.ks-evaluation-head{
    padding-bottom: 15px;
}
.ks-evaluation__avatar{
    position: absolute;
    left: 0;
    top: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}
.ks-evaluation__item{
    padding:15px 0 15px 50px;
    position: relative;
}
.ks-evaluation__name{
    font-size: 14px;
    height: 24px;
    line-height: 24px;
    overflow: hidden;
}
.ks-evaluation__satr{
    width: 82px;
    height: 14px;
    position: relative;
    background: url(./images/evaluation/common_btn_star_n.png) no-repeat;
    background-size: 82px 100%;
    margin-top:5px;
}
.ks-evaluation__satr--on{
    width: 0%;
    height: 100%;
    position: absolute;
    background: #fff url(./images/evaluation/common_btn_star_s.png) no-repeat;
    background-size: 82px 100%;
}
.ks-evaluation__comment{
    font-size: 14px;
    color:#606266;
    line-height: 24px;
    margin-top:10px;
    word-wrap:break-word;
}

/*表情*/
.ks-emoji{width: 426px;box-sizing: border-box;padding: 24px;box-shadow: 0 1px 20px 0 rgba(0,0,0,.1);position: absolute;left: 0;z-index: 99;background: #fff;top:28px;}
.hide{display: none;}
.ks-emoji li{float: left;height: 20px;width: 20px;padding: 3px;cursor: pointer;}
.ks-emoji li img{width: 20px;display: block;}
.ks-emoji li:hover {background: #f3f3f3;}

/*图片上传*/
.ks-upload-box{ display: none;margin-top: 15px;}
.ks-upload-btn {padding: 9px 0;background: #3c81f9;color: #FFFFFF;border-radius: 3px;border: 0;margin-top: 15px;width: 100px;}
.ks-upload-upimg {float: left;position: relative;width: 100px;height: 100px;box-sizing: border-box;border:1px dashed #ddd;background: url(images/addimg.svg) no-repeat center;}
.ks-upload-upimg input {position: absolute;width: 100px;height: 100px;opacity: 0;}
#ks-upload-showui li {width: 100px;height: 100px;position: relative;overflow: hidden;margin-right: 5px; float: left;margin-bottom: 5px;}
#ks-upload-showui li img.ks-upload-showimg {position: absolute;text-align: center;top: 50%;left: 50%;transform: translate(-50%, -50%);z-index: 6;width: 100%;height: 100%;object-fit: cover;}
.ks-upload-showdiv {position: absolute;z-index: 9;bottom: 0;width: 100%;padding: 5px;text-align: center;box-sizing: border-box;background: rgba(0, 0, 0, .6);}
.ks-upload-showdiv img {width: 20px;height: 20px;cursor: pointer;margin: 0 5px;}
#ks-upload-showui li:first-child img.ks-upload-left {opacity: .6;cursor: no-drop;}
#ks-upload-showui li:last-child img.ks-upload-right {opacity: .6;cursor: no-drop;}
.ks-upload-oneright {opacity: .6;cursor: no-drop !important;}

/*分页*/
.ks-page-box{text-align: center;}
.ks-page{ display:inline-block;}
.ks-page-box .icon-prev,.ks-page-box .icon-next {display: block;height:28px;width: 10px;margin: auto;}
.ks-page-box .icon-prev {background: url(images/paging-prev.png) no-repeat 50% 50%;}
.ks-page-box .icon-next {background: url(images/paging-next.png) no-repeat 50% 50%;}
.ks-page-total{display:inline-block;margin-right:20px;line-height:35px;color:#666;font-size:14px}
.ks-page-number{display:inline-block;color:#666;font-size:14px}
.ks-page-number span{position:relative;box-sizing:border-box;display:inline-block;margin:5px;vertical-align: middle;border-radius: 3px;padding:0 5px;min-width: 30px;line-height:28px;background: #f0f2f5;text-align:center;transition:all .2s;cursor:pointer}
.ks-page-number span.active{background:#3c81f9;color:#fff;border-color:#3c81f9;z-index:3}
.ks-page-number span.active:hover{background:#3c81f9;color:#fff;border-color:#3c81f9;z-index:3}
.ks-page-number span:hover{background-color:#eee}
.ks-page-number span.span-disabled{cursor:not-allowed;color:#ccc;background: #f0f2f5;}
.ks-page-number span.span-disabled .icon-prev,.ks-page-number span.span-disabled .icon-next{opacity: 0.5;}
.ks-page-skip{display:inline-block;margin-left:20px;line-height:35px;color:#666;font-size:14px}
.ks-page-skip input{box-sizing:border-box;display:inline-block;width:45px;height:35px;line-height:35px;text-align:center;vertical-align:top;border:1px solid #ddd;outline:0;transition:all .2s}
.ks-page-skip input:focus{border-color:#3c81f9}
.ks-page-skip span{display:inline-block;padding:0 14px;line-height:30px;vertical-align:top;color:#666;outline:0;border:1px solid #ddd;cursor:pointer;transition:all .2s}
.ks-page-skip span:hover{background:#3c81f9;color:#fff;border:1px solid #3c81f9}

/*放大图片*/
.ks-amplification{position: fixed;width: 100%;height: 100%;background: rgba(0, 0, 0, 0.5);left: 0;top: 0;z-index: 1000;}
.ks-amplification-box{width: 800px;height:600px;overflow-y:auto;position: absolute;left: 50%;top:50%;margin-left: -400px;margin-top: -300px;background: #fff;border-radius: 5px;}
.ks-amplification-img{margin-top: 50px;text-align: center;}
.ks-amplification-img img{max-width: 100%;}
.ks-amplification-close{position: absolute;top: 15px;right: 15px; cursor: pointer;}
.no-scroll{overflow: hidden;}

/*======手机版的问答======*/
.ks-mobile-comment .ks-comment__expression{
	position: static;
}
.ks-mobile-comment .ks-emoji{
    left: 0;
    width: 100%;
    position: absolute;
    top: auto;
}
.ks-mobile-comment .ks-upload-upimg{
    background-color: #fff;
}
.ks-mobile-comment .ks-comment-set{
    margin-left: 10px;
    margin-right: 10px;
}
.ks-mobile-comment .ks-upload-box{
    padding-left: 10px;
    padding-right: 10px;
}
.ks-mobile-comment .ks-comment-textarea{
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    border-color: #eee;
}
.ks-mobile-comment #ks-upload-showui li,.ks-mobile-comment .ks-upload-upimg,.ks-mobile-comment .ks-upload-upimg input{
    width: 80px;
    height: 80px;
}
.ks-mobile-comment .ks-comment-list{
    margin-top: 10px;
}
.ks-mobile-comment .ks-comment-list{
    background: #fff;
    padding: 10px 10px 5px;
}
.ks-mobile-comment .ks-page-box{
    background: #fff;
    padding-bottom: 10px;
}
.ks-mobile-comment .ks-amplification-box{
    width: 100%;
    margin-left: -50%;
    height: 60%;
    top: 20%;
    margin-top: 0;
    border-radius: 0;
}
.ks-mobile-comment .ks-comment__bottom{
    line-height: 12px;
    font-size: 12px;
}
.ks-mobile-comment .ks-comment__user-info h3{
    line-height: 12px;
    font-size: 12px;
    margin-bottom: 10px;
}
.ks-mobile-comment .ks-comment__content{
    font-size: 14px;
    margin-bottom: 10px;
}

/* 播放页的问答 */
.ks-play-comment .ks-emoji {
    width: 320px;
    left: -102px;
    padding: 14px;
}
.ks-play-comment .comment-img{
    width: 50px;
    height: 50px;
}
/*课程资料*/

.ks-course-data__item{
    padding: 10px 15px;
    cursor: pointer;
    
}
.ks-course-data__item+.ks-course-data__item{
    border-top: 1px solid #eee;
}
.ks-course-data__name{
    line-height: 28px;
    font-size: 14px;
    max-height: 28px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.ks-course-data__name img{
    width: 28px;
    height: 28px;
    float: left;
    margin-right: 5px;
}


/*课程考试*/

.ks-course-exam__item{
    padding: 10px 15px;
    cursor: pointer;
}
.ks-course-exam__item + .ks-course-exam__item{
    border-top: 1px solid #eee;
}
.ks-course-exam__item .ks-button{
    float: right;
    margin-left: 10px;
}
.ks-course-data__item:hover,
.ks-course-exam__item:hover{
    background: #e6f0fd;
}
.ks-course-exam__name{
    line-height: 28px;
    font-size: 14px;
    max-height: 28px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.ks-course-exam__alert{
    color:#e6a23c;
}
.ks-course-exam__lock{
    width: 16px;
    height: 16px;
    background: url(./images/exam/lesson_icon_lock.png) no-repeat;
    background-size: 100% 100%;
    float: right;
    position: relative;
    top: 6px;
}
.ks-course-exam__item--disabled{
    color:#999;
    cursor: default;
}
.ks-course-exam__item--disabled:hover{
    background: none;
}

/*音频播放器*/
.ks-audio-player{
    background: #fff;
    padding: 60px 30px 40px 30px;
    position: relative;
}
.ks-audio-player__icon-list{
    position: absolute;
    right: 15px;
    top: 15px;
    background: url(./images/audio/icon-list.png) no-repeat;
    background-size: 21px 21px;
    height: 21px;
    line-height: 21px;
    padding-left: 27px;
}
.ks-audio-player__icon-list span{
    background: #c7c7c7;
    color:#fff;
    height: 17px;
    line-height: 17px;
    min-width: 9px;
    padding: 0 4px;
    text-align: center;
    display: inline-block;
    border-radius: 30px;
    position: relative;
    top: 2px;
}
.ks-audio-player__list{
    position: absolute;
    display: none;
    right: 15px;
    top: 50px;
    width: 80%;
    height: calc(100% - 50px);
    background: #fff;
    z-index: 9;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}
.ks-audio-player__list-tit{
    height: 44px;
    line-height: 44px;
    font-size: 14px;
    padding: 0 15px;
    font-weight: bold;
}
.ks-audio-player__list-item{
    height: 32px;
    line-height: 32px;
    padding: 0 15px;
    position: relative;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.ks-audio-player__list-item--active{
    position: relative;
}
.ks-audio-player__list-item--active{
    color:#f60;
}
.ks-audio-player__list-item--active::after{
    content:'';
    width: 2px;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: #f60;
   
}
.ks-audio-player__list-item:nth-child(even){
    background: #eee;
}
.ks-audio-player__cover{
    width: 170px;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 50%;
    z-index: 1;
    
}
.ks-audio-player__run{
    padding: 20px;
    height: 130px;
    overflow: hidden;
}
.ks-audio-player__msg{
    line-height: 22px;
    color:#999;
    margin-top: 5px;
    max-height: 22px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.ks-audio-player__msg--error{
    color:#ff663d
}
.ks-audio-player__runing{
    animation: rotate 6s linear infinite
}
@keyframes rotate{
    from{transform: rotate(0deg)}
    to{transform: rotate(360deg)}
}
.ks-audio-player__cover-bg{
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top:0;
    filter: blur(40px)
}
.ks-audio-player__cover img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    margin: 0 auto;
    position: relative;
    z-index: 9;
    object-fit: cover;
}

.ks-audio-player__title{
    font-size: 14px;
    margin-top: 30px;
    color:#666;
    height: 24px;
    line-height: 24px;
    overflow: hidden;
    white-space: nowrap;
}
.ks-audio-player__title span{
    color:#999;
}
.ks-audio-player__progress{
    position: relative;
    padding: 0 50px;
    margin-top: 20px;
    line-height: 25px;
    
}

.ks-audio-player__total-time{
    position: absolute;
    right: 0;
    top: 0;
    font-size: 14px;
}
.ks-audio-player__progress-bar{
    height: 25px;
    position: relative;
}
.ks-audio-player__progress-bar::after{
    content: '';
    position: absolute;
    width: 100%;
    height: 4px;
    background: #eee;
    border-radius: 10px;
    top: 11px;
    left: 0;
}
.ks-audio-player__progress-bar--on{
    width: 0%;
    height: 4px;
    background: #ff663d;
    position: absolute;
    left: 0;
    top: 11px;
    border-radius: 30px;
    z-index: 1;
}
.ks-audio-player__progress-dot{
    width: 25px;
    height: 25px;
    position: absolute;
    right: -11px;
    top: -11px;
}
.ks-audio-player__progress-dot i{
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: absolute;
    left:50%;
    top: 50%;
    border: 3px solid rgba(255, 102, 61, 0.3);
    margin-top:-7px;
    margin-left: -7px;
}
.ks-audio-player__progress-dot i::after{
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ff663d;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -4px;
    margin-left: -4px;
}
.ks-audio-player__total-time,
.ks-audio-player__time{
    color:#666;
    position: absolute;
    top: 0;
    font-size: 12px;
    font-weight: bold;
}
.ks-audio-player__time{
    left: 0;
}
.ks-audio-player__total-time{
    right: 0;
}
.ks-audio-player__tool{
    position: relative;
    height: 60px;
    width: 240px;
    margin: 20px auto 0;
}
.ks-audio-player__play,
.ks-audio-player__prev,
.ks-audio-player__next{
    background-position: 50% 50%;
    background-repeat: no-repeat;
    border-radius: 50%;
}

.ks-audio-player__play{
    width: 60px;
    height: 60px;
    margin: 0 auto;
    background-color: #ff663d;
    background-image: url(./images/audio/icon-play.png);
    background-size: 24px 24px;
}
.ks-audio-player__play--pause{
    background-image: url(./images/audio/icon-pause.png);
}
.ks-audio-player__prev,
.ks-audio-player__next{
    width: 50px;
    height: 50px;
    position: absolute;
    background-size: 20px 20px;
    top: 5px;
}
.ks-audio-player__prev{
    left: 0;
    background-image: url(./images/audio/icon-prev.png);
}
.ks-audio-player__next{
    right: 0;
    background-image: url(./images/audio/icon-next.png);
}
.ks-audio-player__prev--disabled,
.ks-audio-player__next--disabled{
    opacity: 0.5;
    cursor: no-drop;
}
@media(max-width:480px){
    .ks-button+.ks-button{
        margin-left: 6px;
    }
    /*评论*/
    .ks-evaluation-comment__star{
        width: 20px;
        height: 20px;
        top:3px;
    }

    /*课时目录*/
    .ks-catalog-title__type-live span{
        display: none;
    }
    .ks-catalog-title__th{
        padding: 0 15px;
    }
    .ks-catalog-period:hover .ks-button{
        display: none;
    }
    .ks-catalog-title__time{
        display: none;
    }
}


/*轮播图*/

.swiper-container .swiper-button-prev{
    background-image: url(../swiper/images/index_btn_arrowleft.png);
}
.swiper-container .swiper-button-next{
    background-image: url(../swiper/images/index_btn_arrowright.png);
}