.yk-source-new-wrapper-courseware{position:relative;padding-bottom:20px;margin-bottom:20px;background:#fff}.yk-source-new-wrapper-courseware .upload-video-explain{position:absolute;top:35px;left:32px;color:red;font-size:17px;z-index:2000}.yk-source-new-wrapper-courseware .yk-btn-new-back-s-1{position:fixed;right:53px;top:10px;z-index:2000;padding:2px 10px}.yk-source-new-wrapper-courseware .yk-btn-new-back-s-1 .yk-icon-fanhui2{font-size:29px}.yk-source-new-wrapper-courseware .yk-course-ware-el-card{float:left;margin-left:20px}.yk-source-new-wrapper-courseware .lectures-wrapper-new-s-1-1 .el-dropdown{margin-top:26px;margin-left:20px}.yk-source-new-wrapper-courseware .lectures-wrapper-new-s-1-1 .el-dropdown .create-folder .el-button{background:#fff;color:#000;border:none}.yk-source-new-wrapper-courseware .lectures-wrapper-new-s-1-1 .el-dropdown-link:focus{outline:none}.yk-source-new-wrapper-courseware .lectures-wrapper-new-s-1-1 .add-c-title{color:#ec5252}.yk-source-new-wrapper-courseware .video-wrapper{height:50%;width:100%;position:relative;text-align:center}.yk-source-new-wrapper-courseware .video-wrapper .video-player{height:100%!important}.yk-source-new-wrapper-courseware .video-wrapper .vjs-big-play-button{border-radius:50%!important;height:70px!important;width:70px!important;margin-left:-35px}.yk-source-new-wrapper-courseware .video-wrapper .vjs-poster{background-size:100%!important}.yk-source-new-wrapper-courseware .video-wrapper .video-js{height:100%!important}.yk-source-new-wrapper-courseware .video-wrapper .video-poster{position:absolute;left:0;top:0;width:100%;height:100%;z-index:1000;background-color:rgba(0,0,0,.4)}.yk-source-new-wrapper-courseware .video-wrapper video{width:100%;height:100%;-o-object-fit:fill;object-fit:fill}.yk-source-new-wrapper-courseware .el-dialog__footer{border:1px solid #f2f6f9}.yk-source .yk-batch-delete .yk-sourse-nemu-btn-wrapper{float:right;margin-left:10px;width:90px;height:32px;background:#3fa2ff;border-radius:3px;line-height:32px;text-align:center;color:#fff}.yk-source .yk-batch-delete .yk-sourse-nemu-btn-wrapper .el-dropdown-link{font-size:11px}.yk-source .yk-batch-delete .yk-sourse-nemu-btn-wrapper .fh-icon-tianjia{font-size:100px;color:#ec5252;border-radius:50%;border:2px solid #ec5252;margin-left:22px}.yk-source .yl-last-source-tab-head-wrapper .el-tabs__nav-wrap:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px!important;background-color:#fff;z-index:1}.yk-source .yl-last-source-tab-head-wrapper .el-tabs__nav{padding:10px 0 10px 50px}.yk-source .yl-last-source-tab-head-wrapper .el-tabs__item{font-size:18px;color:#fff}.yk-source .yl-last-source-tab-head-wrapper .el-tabs__active-bar{display:none}.yk-source .yl-last-source-tab-head-wrapper .el-tabs__content{padding:0 30px}.yk-source .yl-last-source-tab-head-wrapper .el-pagination__total{margin-right:10px;font-weight:400;color:#fff}.yk-source .yl-last-source-tab-head-wrapper .el-pagination__jump{margin-left:24px;font-weight:400;color:#fff}.yk-source .yl-last-source-tab-head-wrapper .el-pagination{position:unset!important}.PreviewResourcces{position:fixed;top:0;left:0;z-index:2000;background-color:rgba(0,0,0,.9);width:100%;height:100%;overflow:auto;padding:0 5%}.PreviewResourcces .icon-closeimg-s{size:26px;position:fixed;right:20px;font-size:35px;cursor:pointer;font-weight:bolder;bottom:20px}.xiazai{margin-right:10px;text-decoration:none;font-weight:700;font-size:18px;color:#606266;float:right;margin-top:5px}.xiazai .icon-closeimg-s{size:26px;position:fixed;right:20px;font-size:35px;cursor:pointer;font-weight:bolder;bottom:20px}.yk-source-new-wrapper .el-tabs{margin-top:20px}.yk-source-new-wrapper .el-tabs__active-bar{background-color:#374256}.yk-source-new-wrapper .el-tabs__nav-scroll{padding-left:45px;height:50px}.yk-source-new-wrapper #tab-source{color:#fff;font-size:18px;font-weight:400;font-weight:700}.yk-source-new-wrapper .el-tabs__nav-wrap:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background-color:#505e75;z-index:1}.yk-source .el-tabs .el-tabs__content .el-tab-pane .yk-source-container .el-card{background-color:#edf2f6;margin:5px 10px;-webkit-box-shadow:0 2px 5px 0 rgba(0,0,0,.24);box-shadow:0 2px 5px 0 rgba(0,0,0,.24);border-radius:10px;position:relative;color:#000;border-color:#edf2f6}.yk-source .el-tabs .el-tabs__content .el-tab-pane .yk-source-container .el-card .yk-checkBox .el-checkbox__inner{background-color:#fff}.yk-source .el-tabs .el-tabs__content .el-tab-pane .yk-source-container .el-card .el-checkbox__inner:after{border-color:#409eff}.yk-source .el-tabs .el-tabs__content .el-tab-pane .yk-source-container .el-card .yk-source-intro .yk-info-footer .yk-operate-btns .yk-course__control{padding:0;font-size:20px;border:0;background:#edf2f6}.yk-source .el-tabs .el-tabs__content .el-tab-pane .yk-source-container .el-card .yk-source-intro .yk-info-footer .yk-operate-btns .yk-course__control .yk-icon-i-more{color:#000;background-color:#edf2f6}.yk-source .yl-last-source-tab-head-wrapper .el-pagination__jump,.yk-source .yl-last-source-tab-head-wrapper .el-pagination__total{color:#000}.yk-source-new-wrapper-courseware .lectures-wrapper-new-s-1-1 .yk-icon-tianjia{font-size:100px;color:#000;border-radius:50%;border:2px solid #000;margin-left:22px}.yk-source-new-wrapper-courseware .lectures-wrapper-new-s-1-1 .add-c-title{margin-top:10px;font-size:20px;text-align:center;color:#000}.change-search-in-wrapper .el-input__inner{color:#000;border-color:#edf2f6;background-color:#edf2f6}.el-dropdown-menu .el-dropdown-menu__item .oss-upload_source .el-button{color:#000;background-color:inherit;border:none;font-size:14px}.el-pagination.is-background .el-pager li:not(.disabled).active{background-color:#ee5b65;background:#ee5b65}.yk-class-button .yk-icon-lianjie{color:#409eff}.yk-class-button .el-button{color:#000;background-color:inherit;border:none;font-size:14px}