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.el-button{position:absolute;top:20px;right:0;padding:11px 20px}.dialogInClass .inClass .inClass-task .el-button.bg-none:hover{color:#01baa6!important;border-color:#01baa6!important}.alpha-bg{border-radius:2px;box-shadow:0 0 2px 1px rgba(0,0,0,.2)}.fullscreen-head{position:fixed!important;top:0!important;right:0!important;z-index:15;display:flex;align-items:center;justify-content:space-between;height:52px;padding-right:10px;background:transparent;border-radius:4.5px;user-select:none}.fullscreen-head:after{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;background:rgba(0,0,0,.4);border-radius:4px;content:""}.fullscreen-head .blur-bg{border-radius:4px}.fullscreen-head .part2{flex:1;justify-content:flex-end;color:#fff!important;font-size:16px}.fullscreen-head .part2,.fullscreen-head .part2 .class-num{position:relative;z-index:3;display:flex;align-items:center}.fullscreen-head .part2 .class-num{padding:0 10px 0 24px;font-size:14px;opacity:.5;transition:all .5s}.fullscreen-head .part2 .class-num span{color:#fff}.fullscreen-head .part2 .class-num:hover{cursor:pointer;opacity:1}.fullscreen-head .part2 .class-num img{margin-left:5px}.fullscreen-head .part2 .class-divider{color:#fff;opacity:.5}.fullscreen-head .part2 .time{width:75px;margin:0 10px;color:#fff;font-size:14px;text-align:center;opacity:.5}.fullscreen-head .part2 .class-btn{display:flex;align-items:center;justify-content:center;padding:0 16px;height:32px;margin-left:10px;color:hsla(0,0%,100%,.6);font-size:14px;border:1.3px solid hsla(0,0%,100%,.3)!important;border-radius:30px;transition:all .5s}.fullscreen-head .part2 .class-btn img{position:relative;top:1px;margin-right:4px;opacity:.55;transition:all .2s}.fullscreen-head .part2 .class-btn:hover{color:#fff;border:1.3px solid #fff!important;cursor:pointer}.fullscreen-head .part2 .class-btn:hover img{opacity:1}.fullscreen-head .part2 .class-btn.exit img{filter:brightness(300%);transition:none}.fullscreen-head .part2 .class-btn.exit:hover{color:#f26d94;border:1.3px solid #f26d94!important}.fullscreen-head .part2 .class-btn.exit:hover img{filter:grayscale(0)}.fullscreen-head .part2 .class-btn.leave img{width:18px;height:18px;transform:rotate(180deg)}.fullscreen-head .part2 .class-btn.class-code img{width:18px;height:18px}.material-box{display:flex;flex-wrap:wrap;height:100%;max-height:600px;padding:50px 0 0 50px;overflow-y:auto}.material-box>div:nth-child(5n)>.img-operate .img-item{margin-right:0}.finish-title{color:#333;font-weight:700;font-size:18px}.finish-btn{text-align:right}.finish-btn button{height:32px;padding:0 20px;border-radius:16px}.finish-btn button.el-button--default{color:#2a365a;border-color:#2a365a}.finish-info{margin-top:-10px;margin-bottom:55px}.courseware-refresh{position:absolute;top:22px;right:24px}.homework-status{margin-right:5px}.homework-tip{height:40px;line-height:40px}.give-popover{position:relative;top:42px!important;background:transparent;border:none;border-radius:2.5px}.give-popover:after{z-index:2;background:rgba(0,0,0,.4);content:""}.blur-bg,.give-popover:after{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:2px}.blur-bg{z-index:1;background:url(../img/blur-bg.cf6dc86d.png);background-size:cover;opacity:.3}.stu-container{position:relative;z-index:3}.stu-container .student-list{max-height:600px;padding:0 5px 0 13px;overflow-y:auto}.stu-container .student-list .student-item{display:flex;align-items:center;margin:17px 0}.stu-container .student-list .student-item:first-child{margin-top:10px}.stu-container .student-list .student-item:last-child{margin-bottom:10px}.stu-container .student-list .student-item-info{margin-right:11px;text-align:left}.stu-container .student-list .student-item .student-head{flex:1;width:30px;height:30px}.stu-container .student-list .student-item .student-head img{width:30px;height:30px}.stu-container .student-list .student-item .student-name{max-width:90px;margin-right:0;overflow:hidden;color:#fff;white-space:nowrap;text-overflow:ellipsis;opacity:.5}.stu-container .student-list .student-item .student-name.online{opacity:1}.stu-container .student-list .student-item .student-status-online{flex:1;width:8px;height:8px;background:#5dcb6b;border-radius:100%}.stu-container .student-list .student-item .student-status-offline{flex:1;width:8px;height:8px;background:hsla(0,0%,84.7%,.6);border-radius:100%}.stu-container .status-switch{display:flex;justify-content:space-between;margin-bottom:20px;padding:0 13px}.stu-container .status-switch .switch-item{position:relative;width:50px;text-align:center;user-select:none}.stu-container .status-switch .switch-item span{color:#fff;opacity:.5}.stu-container .status-switch .switch-item:hover{cursor:pointer}.stu-container .status-switch .active:after{position:absolute;bottom:-6px;left:0;width:100%;height:2px;background:#5dcb6b;content:""}.audio-item .audio-viewer{position:relative;display:flex;align-items:center;height:90px;margin-bottom:10px;overflow:hidden;background:rgba(145,157,206,.27);border-radius:2px}.audio-item .audio-viewer .audio-box{display:flex;align-items:center;margin-bottom:12px}.audio-item .audio-viewer .audio-file{display:flex;align-items:center;padding-left:20px}.audio-item .audio-viewer .audio-file .mp3,.audio-item .audio-viewer .audio-file .mp4{display:none;align-items:center;width:24px;margin-right:10px;margin-left:7px}.audio-item .audio-viewer .audio-file .mp3 img,.audio-item .audio-viewer .audio-file .mp4 img{width:24px}.audio-item .audio-viewer .audio-info .audio-title{display:block;margin-top:6px;margin-bottom:4px;color:#000;font-size:18px}.audio-item .audio-viewer .audio-controls{display:flex;align-items:center;margin-right:6px}.audio-item .audio-viewer .audio-controls img{width:16px}.audio-item .audio-viewer .audio-controls img:hover{cursor:pointer}.audio-item .audio-viewer .audio-time{margin-right:10px;color:rgba(0,0,0,.5);font-size:14px}.audio-item .audio-viewer .audio-progress{width:72px;margin-right:10px}.audio-item .audio-viewer .audio-progress .el-slider__runway{height:4px;margin:0;background:rgba(42,54,90,.17);transition:.1s}.audio-item .audio-viewer .audio-progress .el-slider__bar{height:4px;background-color:#5dcb6b;transition:.1s}.audio-item .audio-viewer .audio-progress .el-slider__button{border:1px solid rgba(42,54,90,.16);opacity:0}.audio-item .audio-viewer .audio-progress:hover .el-slider__runway{transform:scaleY(1.3)}.audio-item .audio-viewer .audio-progress:hover .el-slider__button{transform:scaleY(1);transform:scaleX(1.3);opacity:1}.audio-item .audio-viewer .audio-volume{display:flex;align-items:center}.audio-item .audio-viewer .audio-volume img{width:18px}.audio-item .audio-viewer .audio-volume img:hover{cursor:pointer}.dialog-footer .el-button{margin-top:-10px!important;margin-bottom:-10px!important;padding:8px 30px!important;font-size:14px}@media screen and (max-width:1366px){.dialogInClass{padding:0!important}.dialogInClass .inClass .inClass-top .class-info--title span,.dialogInClass .inClass .inClass-top h3{font-size:24px}}.class-code-block{position:fixed;top:56px;right:362px;z-index:15}.add-class-confirm .el-message-box__btns .el-button--default{color:#fff}