.layui-layout-admin .layui-header{height:50px;}.layui-layout-admin .layui-header .layui-logo{box-shadow:0 1px 2px 0 rgba(0,0,0,.15);color:#fff;font-size:18px;line-height:50px;}.layui-layout-admin .layui-header .layui-nav .layui-nav-item{line-height:50px;}.layui-layout-admin .layui-header .layui-nav .layui-nav-item .layui-nav-child{top:55px;}.layui-layout-admin .layui-header .layui-nav .layui-nav-item>a{color:#fff;}.layui-layout-admin .layui-header .layui-nav .layui-nav-bar{display:none;}.layui-layout-admin .layui-header .layui-nav .layui-this:after{display:none;}.layui-layout-admin .layui-header .layui-layout-left{padding:0;}.layui-layout-admin .layui-header .layui-layout-left .layui-nav-item a:hover,.layui-layout-admin .layui-header .layui-layout-left .layui-nav-item.layui-this a{background:rgba(0,0,0,.1);}.layui-layout-admin .layui-breadcrumb{position:absolute;top:50px;left:200px;z-index:999;box-sizing:border-box;padding:0 15px;width:100%;height:45px;background-color:#fff;box-shadow:0 1px 2px 0 rgba(0,0,0,.1);line-height:45px;}.layui-layout-admin .layui-side{top:50px;}.layui-layout-admin .layui-side .layui-nav-child a{padding-left:42px;}.layui-layout-admin .layui-body{top:95px;bottom:0;z-index:auto;padding:15px;background-color:#f2f2f2;}.layui-layout-iframe .layui-form{margin:15px;}.layui-btn-normal{background-color:#5fb878;}.layui-btn-danger{background-color:#dc515f;}.layui-form .layui-form-item .layui-btn-position{position:absolute;top:0;right:0;}.layui-form .layui-form-item .layui-form-selected dl{z-index:9999;}.layui-card .layui-card-header{height:auto;}.layui-card .layui-card-header .layui-form{margin-top:0;padding-top:10px;line-height:normal;}.layui-card .layui-card-header .layui-form .layui-form-item{margin-bottom:0;}.layui-card .layui-card-header .layui-form .layui-form-item .layui-input-inline{margin:0 10px 10px 0;}.layui-card .layui-card-header .course_imgbox{width:130px;height:70px;}.layui-card .layui-card-header .course_imgbox img{width:100%;height:100%;}.layui-card .layui-card-body .layui-table{margin:0;}.layui-card .layui-card-body .layui-table th{font-weight:700;}.layui-card .layui-card-body .layui-table td{max-width:400px;word-wrap:break-word;word-break:break-all;}.layui-card .layui-card-body .layui-btn+.layui-table{margin-top:10px;}.layui-card .layui-card-body .layui-form{padding-top:5px;}.layui-card .layui-card-body .layui-tab .layui-tab-content{padding:10px 0;}.layui-card .layui-card-body .layui-btn-group{margin-bottom:10px;}.index-nav a{float:left;display:block;margin-right:15px;width:120px;height:80px;border:1px solid #efefef;color:#009688;text-align:center;}.index-nav a:hover{background-color:#009688;color:#fff;}.index-nav a i{display:block;padding:10px 0 5px;font-size:30px;}.search-input{width:250px;transition:width 1s;}.icon-library{margin:4px;}.icon-library .fa{display:block;border:1px solid #efefef;text-align:center;line-height:53px;cursor:pointer;}.icon-library .fa:hover{border:1px solid #009688;}.page ul{margin-top:10px;font-size:0;}.page ul li{display:inline-block;margin:0 -1px 0 0;height:28px;border:1px solid #e2e2e2;background-color:#fff;color:#333;font-size:14px;line-height:28px;}.page ul li a,.page ul li span{display:block;padding:0 15px;}.page ul li.disabled{color:#d2d2d2;}.page ul li.active{border:1px solid #009688;background-color:#009688;color:#fff;}.mt5{margin-top:5px !important;}.mt15{margin-top:15px !important;}.mt10{margin-top:10px !important;}.mt20{margin-top:20px !important;}.mt30{margin-top:30px !important;}.mt40{margin-top:40px !important;}.mt50{margin-top:50px !important;}.mt60{margin-top:60px !important;}.ml10{margin-left:10px !important;}.ml20{margin-left:20px !important;}.ml30{margin-left:30px !important;}.ml40{margin-left:40px !important;}.ml50{margin-left:50px !important;}.mr5{margin-right:5px !important;}.mr10{margin-right:10px !important;}.mr20{margin-right:20px !important;}.mr30{margin-right:30px !important;}.mr40{margin-right:40px !important;}.mr50{margin-right:50px !important;}.mb0{margin-bottom:0px !important;}.mb10{margin-bottom:10px !important;}.mb20{margin-bottom:20px !important;}.mb50{margin-bottom:50px !important;}.pd20{padding:20px !important;}.pd10{padding:10px !important;}.pdb40{padding-bottom:40px !important;}.pdb50{padding-bottom:50px !important;}.pdr20{padding-right:20px !important;}.pdb15{padding-bottom:15px !important;}.pdl20{padding-left:20px !important;}.pdt10{padding-top:10px !important;}.pdl20{padding-left:20px !important;}.pdl30{padding-left:30px !important;}.bg-fff{background:#fff !important;}.bg-grey{background:#f4f6f8 !important;}.bg-f8fafc{background:#f8fafc !important;}.bg-f2f2f2{background:#F2F2F2 !important;}.c-999{color:#999 !important;}.c-blue{color:#3580DE !important;}.c-666{color:#666 !important;}.c-fff{color:#fff !important;}.c-c0{color:#c0c0c0;}.c-61{color:#616161;}.fsize12{font-size:12px !important;}.font14{font-size:14px !important;}.font18{font-size:18px !important;}.font26{font-size:26px !important;}.c-studied{color:#009688 !important;}.border-bottom{border-bottom:1px solid #e9e9e9;}.border-right{border-right:1px solid #e9e9e9;}.border{border:1px solid #e2e2e2;}.noboder{border:none;}.no-shadow{box-shadow:none;}.fl{float:left;}.fr{float:right;}.hLh20{height:24px;line-height:24px;}.tac{text-align:center;}.hLh30{height:30px;line-height:30px;}.empty{line-height:200px;text-align:center;background:#fff;margin-bottom:20px;}.upvideo-body{height:330px;overflow:auto;}.upvideo-btn{float:right;margin-right:20px;}.upload-video-state>span u{display:block;height:10px;width:0%;background:#009688;border-radius:10px;}.upload-video-state>span i{position:relative;z-index:1001;font-style:normal;}.video-pic{border:1px solid #e2e2e2;text-align:center;height:100px;line-height:100px;font-size:30px;position:relative;cursor:pointer;padding:2px 5px 30px 5px;}.video-pic .shadow{position:absolute;top:5px;right:5px;bottom:30px;left:5px}.video-pic:hover .shadow{box-shadow:inset 0px 0px 120px rgba(0,0,0,0.9);-moz-box-shadow:inset 0px 0px 120px rgba(0,0,0,0.9);-webkit-box-shadow:inset 0px 0px 120px rgba(0,0,0,0.9)}.video-pic .shadow{transition:all 0.6s ease-in-out;-webkit-transition:all 0.6s ease-in-out;-moz-transition:all 0.6s ease-in-out;-ms-transition:all 0.6s ease-in-out;-o-transition:all 0.6s ease-in-out;}.video-pic:hover .shadow{transition:all 0.6s ease-in-out;-webkit-transition:all 0.6s ease-in-out;-moz-transition:all 0.6s ease-in-out;-ms-transition:all 0.6s ease-in-out;-o-transition:all 0.6s ease-in-out;}.video-pic img{width:100%;height:100%;}.video-pic .layui-progress{position:absolute;right:5px;bottom:30px;left:5px}.video-pic .selected{box-shadow:inset 0px 0px 120px rgba(0,0,0,0.9);-moz-box-shadow:inset 0px 0px 120px rgba(0,0,0,0.9);-webkit-box-shadow:inset 0px 0px 120px rgba(0,0,0,0.9)}.video-pic .selected{transition:all 0.6s ease-in-out;-webkit-transition:all 0.6s ease-in-out;-moz-transition:all 0.6s ease-in-out;-ms-transition:all 0.6s ease-in-out;-o-transition:all 0.6s ease-in-out;}.video-pic .video-title{text-align:center;font-size:12px;color:#555;height:30px;line-height:30px;overflow:hidden;}.video-pic .up-percent{position:absolute;right:5px;bottom:0px;left:5px;font-size:20px;color:#FF5722;}.update-info{height:175px;overflow-y:auto;margin-left:20px;line-height:20px;}.update-bottom{position:fixed;bottom:20px;right:20px;}.update-info::-webkit-scrollbar{width:6px;height:1px;}.update-info::-webkit-scrollbar-thumb{border-radius:6px;-webkit-box-shadow:inset 0 0 3px rgba(0,0,0,0.2);background:#ccc;}.update-info::-webkit-scrollbar-track{-webkit-box-shadow:inset 0 0 3px rgba(0,0,0,0.2);border-radius:10px;background:#EDEDED;}.update-progress{margin-top:10px;}.bt-ico-ask{border:1px solid #fb7d00;border-radius:8px;color:#fb7d00;cursor:help;display:inline-block;font-family:arial;font-size:11px;font-style:normal;height:14px;line-height:16px;margin-left:5px;text-align:center;width:14px;}.course-brief{padding:10px;margin-bottom:20px;}.course-brief img{width:100%;height:auto;}.course-text-content img{width:100%;height:auto;margin-top:20px;border-radius:4px;box-shadow:5px 5px 5px #dedede;}