@charset "utf-8";.sd-main-con{display:flex;padding-top:60px;display:-moz-flex;display:-webkit-flex;display:-o-flex}.lvc-wrap{position:relative;width:210px;transition:all .1s;user-select:none}.appArea{min-height:600px}.sy-content-wrap{flex:1;height:calc(100vh - 60px)!important;overflow:auto}.lvc-wrap .btn-nav{position:absolute;left:0;bottom:0;width:100%;height:36px;border-style:none;outline:0;text-align:center;line-height:36px;cursor:pointer;background-color:#f7f7f7;z-index:101}.lvc-wrap .btn-nav i{font-size:16px!important}.lvc-nav{width:100%;padding-top:20px;height:calc(100vh - 62px);overflow:auto;padding-bottom:60px;box-sizing:border-box;box-shadow:0 2px 8px #97979766;background:#fff;position:relative;z-index:100}.lvc-close .lvc-nav{overflow:visible}.lvc-nav li{position:relative;padding:0 24px 0 23px}.lvc-nav li a{color:#6c7076;display:block;height:36px;line-height:36px;padding-left:14px;cursor:pointer}.lvc-wrap li a .layui-icon{display:inline-block;width:26px!important;font-size:16px!important}.lvc-wrap ol li a .layui-icon{display:inline-block;width:20px!important;font-size:12px!important;transform:scale(.5)}.lvc-wrap li a .sd-layui-icon-more{display:inline-block;width:20px!important;height:20px;font-size:16px!important;margin-left:12px;transition:all .1s;-webkit-transform:rotate(90deg);transform:rotate(90deg);transform-origin:center;text-align:center;line-height:20px}.lvc-wrap li.arrow a .sd-layui-icon-more{-webkit-transform:rotate(0);transform:rotate(0)}.lvc-nav li a:hover{color:#0d94ff}.lvc-nav li>a.active{background-color:#3f7bf2;border-radius:18px;color:#fff}.lvc-nav ol li>a.active{color:#0d94ff;background:0 0;border-radius:0}.lvc-nav li.next-layer.active:before{height:50px}.lvc-nav li.next-layer ol li.active{color:#616366;background-color:#f4f6f8}.lvc-nav li.next-layer ol{width:230px;margin-left:-60px;display:none;background-color:#fff}.lvc-nav li.next-layer ol li{color:#a5a8ad;cursor:pointer;padding-left:75px}.lvc-nav li.next-layer ol li.active:before{background:#616366}.lvc-nav li.next-layer ol li.active:after{position:absolute;content:"";width:3px;height:100%;background:#0d94ff;left:0}.lvc-wrap.lvc-close{width:80px}.lvc-close .lvc-nav li a{overflow:hidden}.lvc-close li.next-layer ol{background:#fff;border:1px solid #e8eaed;width:auto;position:absolute;margin:0;margin-left:57px;white-space:nowrap;z-index:2;margin-top:-40px}.lvc-close li.next-layer ol li{padding:0 20px 0 4px}.lvc-close li.next-layer ol li:before{left:20px}.lvc-close .btn-nav i{display:inline-block;-webkit-transform:rotate(180deg);transform:rotate(180deg)}.lvc-center>a{padding-left:37px!important;background-repeat:no-repeat;background-size:15px auto;background-position:11px center}.lvc-nav>.sd-nav-index-center>a{background-color:#f6f6f6;border-radius:18px}.lvc-nav>.sd-nav-index-center>a.active{background-image:url(/static/public/img/nav/zhuye_1.png)!important}.lvc-nav>.sd-nav-index-center>a{background-image:url(/static/public/img/nav/zhuye_0.png)}.lvc-nav>.sd-nav-index-center>a.active{background-image:url(/static/public/img/nav/zhuye_1.png)!important}.lvc-nav>.sd-nav-pclass-center>a{background-image:url(/static/public/img/nav/pclass_0.png)}.lvc-nav>.sd-nav-pclass-center>a.active{background-image:url(/static/public/img/nav/pclass_1.png)!important}.lvc-nav>.sd-nav-qbank-center>a{background-image:url(/static/public/img/nav/qbank_0.png)}.lvc-nav>.sd-nav-qbank-center>a.active{background-image:url(/static/public/img/nav/qbank_1.png)!important}.lvc-nav>.sd-nav-study-center>a{background-image:url(/static/public/img/nav/study_0.png)}.lvc-nav>.sd-nav-study-center>a.active{background-image:url(/static/public/img/nav/study_1.png)!important}.lvc-nav>.sd-nav-course-center>a{background-image:url(/static/public/img/nav/course_0.png)}.lvc-nav>.sd-nav-course-center>a.active{background-image:url(/static/public/img/nav/course_1.png)!important}.lvc-nav>.sd-nav-teach-center>a{background-image:url(/static/public/img/nav/teach_0.png)}.lvc-nav>.sd-nav-teach-center>a.active{background-image:url(/static/public/img/nav/teach_1.png)!important}.lvc-nav>.sd-nav-eprogram-center>a{background-image:url(/static/public/img/nav/eprogram_0.png)}.lvc-nav>.sd-nav-eprogram-center>a.active{background-image:url(/static/public/img/nav/eprogram_1.png)!important}.lvc-nav>.sd-nav-personal-center>a{background-image:url(/static/public/img/nav/psetting_0.png)}.lvc-nav>.sd-nav-personal-center>a.active{background-image:url(/static/public/img/nav/psetting_1.png)!important}.lvc-wrap .lvc-info{padding:10px 24px 0 20px;border-bottom:1px solid #f0f0f0;min-height:66px;overflow:hidden}.lvc-wrap .lvc-info dt{float:left;overflow:hidden}.lvc-wrap .lvc-info dt img{width:40px;height:40px;border-radius:20px;display:inline-block;user-select:none}.lvc-wrap .lvc-info dd{width:116px;margin-left:50px}.lvc-wrap .lvc-info dd h2{margin-bottom:3px;font-size:15px}.lvc-wrap .lvc-info dd p{font-size:13px;color:#a5a8ad}.lvc-wrap .lvc-info dd p span{display:inline-block;margin-right:2px}.lvc-close .lvc-info dd{display:none}.lvc-index{margin-top:20px;margin-bottom:8px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background-color:#f3f4f9;-webkit-border-radius:2em;-moz-border-radius:2em;border-radius:2em}::-webkit-scrollbar-thumb{background-color:#dbdbdb;-webkit-border-radius:2em;-moz-border-radius:2em;border-radius:2em}::-webkit-scrollbar-corner{background-color:#9c9da0}.sy-header-wrap{position:fixed!important;z-index:9999}.sy-stu-router{border-radius:0 0 4px 4px;text-align:center;right:0;padding:10px 10px 4px;top:60px;position:absolute;width:110px;background-color:#fff}.sy-stu-router li{height:30px;line-height:30px;font-weight:400}.sy-stu-router li a{color:#757575}.sy-stu-router li a:hover{color:#666}.sy-stu-router li i{font-size:14px!important;margin-right:6px!important;width:auto!important}.sy-stu-router .sy-logout{text-align:center;border-top:1px solid #f6f7fc;margin-top:4px}.sy-stu-router .sy-logout img{width:18px;height:18px;padding-left:0;padding-right:2px}@media screen and (max-width:1340px){.sy-header-wrap .sy-header{padding:0 10px!important;min-width:1200px!important}.sy-bar-list{margin-left:0!important}.sy-bar-list ul li{margin-left:44px!important}}.exp-detials .video-view{overflow:hidden}.exp-detials .video-view .video-js{position:inherit}button.disabled{background-color:#ccc!important;cursor:not-allowed}