.thom_picture{background-image:url(/image/thom.jpg)}.jonny_picture{background-image:url(/image/jonny.jpg)}.colin_picture{background-image:url(/image/colin.jpg)}.phil_picture{background-image:url(/image/phil.jpg)}div.exerciseMain{width:1200px}div.exerciseMain>div.hex-child-page{position:unset}div.exerciseMain>div.hex-child-page>div.title{display:-webkit-box!important;display:-ms-flexbox!important;display:flex!important;height:42px;line-height:42px;position:fixed;width:100%;top:0;-webkit-box-orient:unset!important;-webkit-box-direction:unset!important;-ms-flex-direction:unset!important;flex-direction:unset!important;background-color:#f5f5f5;z-index:5;border-bottom-left-radius:0;border-bottom-right-radius:0}div.exerciseMain>div.hex-child-page>div.title>div.left{-webkit-box-flex:1;-ms-flex:1;flex:1}div.exerciseMain>div.hex-child-page>div.title>div.right{display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex}div.exerciseMain>div.hex-child-page>div.title>div.right div.tipText{width:222px;height:148px;position:absolute;top:45px;right:55px}div.exerciseMain>div.hex-child-page>div.title>div.right div.tipText>i{display:block;width:16px;height:10px;position:absolute;right:47px;top:-10px;z-index:3}div.exerciseMain>div.hex-child-page>div.title>div.right div.tipText div.hex-delete-alert{width:222px;height:148px;padding:20px;text-align:center}div.exerciseMain>div.hex-child-page>div.title>div.right div.tipText div.hex-delete-alert>div.info{width:182px;height:54px}div.exerciseMain>div.hex-child-page>div.title>div.right div.tipText div.hex-delete-alert>div.info>i{display:block;width:30px;height:30px;margin:0 auto}div.exerciseMain>div.hex-child-page>div.title>div.right div.tipText div.hex-delete-alert>div.info>span{padding-left:0;margin-top:10px;font-size:14px;height:14px;line-height:14px;display:block}div.exerciseMain>div.hex-child-page>div.title>div>span.word{margin-left:20px;margin-right:58px}div.exerciseMain>div.hex-child-page>div.title>div>div.hex-check-box{margin-top:12px;margin-right:6px;display:none}div.exerciseMain>div.hex-child-page>div.title>div>a.hex-btn-blue,div.exerciseMain>div.hex-child-page>div.title>div>a.hex-btn-disabled{margin-right:20px;margin-top:8px;line-height:26px!important}div.exerciseMain>div.hex-child-page>div.title>div>span.delimiter{margin-right:60px;border-left:1px solid #999;height:26px;display:inline-block;margin-top:9px}div.exerciseMain>div.hex-child-page>div.title>div>a.hex-icon-loading{display:block;width:20px;height:20px;margin-right:10px;margin-top:12px}div.exerciseMain>div.hex-child-page>div:not(.title){width:100%;height:calc(100% - 42px);max-width:unset;top:0;right:0;overflow:auto;margin-top:42px;border-top-left-radius:0;border-top-right-radius:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content{background-color:#f5f5f5;margin:10px 20px 10px 20px;padding:10px;display:-webkit-box;display:-ms-flexbox;display:flex;border-radius:4px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content p{margin:0;padding:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left{-webkit-box-flex:1;-ms-flex:1;flex:1}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseNote{margin-top:10px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseStem,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left div.exerciseNote{padding:20px;background-color:#fff;border-radius:4px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseStem>div.hex-title,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left div.exerciseNote>div.hex-title{height:18px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseStem>div.hex-title>div.right>a.hex-icon-edit,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseStem>div.hex-title>div.right a.hex-icon-confirm,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left div.exerciseNote>div.hex-title>div.right>a.hex-icon-edit,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left div.exerciseNote>div.hex-title>div.right a.hex-icon-confirm{margin-left:0;display:inline-block;width:18px;height:18px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseStem>div.hex-rich-editor,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseStem>div.stemContent,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left div.exerciseNote>div.hex-rich-editor,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left div.exerciseNote>div.stemContent{margin-top:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.questionsNoteContainer{margin-top:10px;padding:20px;background-color:#fff;border-radius:4px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.questionsNoteContainer>div.hex-title{margin-bottom:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.questionsNoteContainer>div.hex-title div.right>a{display:inline-block;width:18px;height:18px;cursor:pointer;margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.questionsNoteContainer>div:last-child{margin-top:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer{margin-top:10px;padding:20px;background-color:#fff;border-radius:4px;position:relative}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.hex-texture{width:100%;height:calc(50% - 18px);margin-left:-20px;margin-top:-20px;position:absolute;z-index:0;bottom:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.hex-title{height:18px;position:relative;z-index:3}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.hex-title>div.left>small{margin-left:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.hex-title>div.right>a.hex-icon-edit,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.hex-title>div.right a.hex-icon-confirm{margin-left:0;display:inline-block;width:18px;height:18px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.hex-title>div.right a.opacity0{opacity:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent{border-radius:4px;margin-top:20px;position:relative;z-index:3}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div{margin-top:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor{width:100%;display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor>div.blankNo{width:16px;height:16px;border-radius:50px;border:1px solid #000;text-align:center;line-height:15px;font-size:12px;-webkit-transform:scale(.8);transform:scale(.8);margin-top:2px;margin-right:6px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor div.content,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor div.isHaveFormula{margin:0 30px 0 0;-webkit-box-flex:1;-ms-flex:1;flex:1;width:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor div.isHaveFormula{padding-left:10px;cursor:pointer;display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor div.isHaveFormula>div{margin-top:3px;margin-right:5px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor div.opacity0{opacity:0;max-height:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor div.edit>a{display:inline-block;width:18px;height:18px;cursor:pointer;margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor div.edit>a.hex-icon-move,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div>div.noHexRichEditor div.edit>a.hex-icon-trash{margin-left:10px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div input.hex{width:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise{margin-top:unset;margin-bottom:20px;border:1px solid transparent}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor{width:100%;display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.hex-check-box{margin-top:3px;cursor:pointer;margin-right:6px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.option{margin-right:10px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.content{margin:0 30px 0 0;-webkit-box-flex:1;-ms-flex:1;flex:1}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.opacity0{opacity:0;max-height:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.edit>a{display:inline-block;width:18px;height:18px;cursor:pointer;margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-move,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-trash{margin-left:10px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-trash{position:relative}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-trash>div.deleteConfirm>i{display:block;width:16px;height:10px;position:absolute;z-index:4;top:21px;left:4px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-trash>div.deleteConfirm>div{top:32px;right:-4px;z-index:3}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-move{cursor:-webkit-grab;cursor:grab}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-move:hover{-webkit-box-shadow:0 1px 4px rgba(0,0,0,.18);box-shadow:0 1px 4px rgba(0,0,0,.18)}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise.active{border:1px dotted #196fff;background-color:#f5f5f5}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent div.selectionExercise:hover{-webkit-box-shadow:0 1px 4px rgba(0,0,0,.18);box-shadow:0 1px 4px rgba(0,0,0,.18);padding:10px;width:calc(100% + 20px);margin-left:-10px;margin-bottom:10px;margin-top:-10px;border-radius:2px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.choiceFillBlank{display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.choiceFillBlank>div.blankNo{width:16px;height:16px;border-radius:50px;border:1px solid #000;text-align:center;line-height:15px;font-size:12px;-webkit-transform:scale(.8);transform:scale(.8);margin-top:2px;margin-right:16px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.choiceFillBlank div.selectionExercise{width:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.choiceFillBlank div.selectionExercise:hover{-webkit-box-shadow:0 1px 4px rgba(0,0,0,.18);box-shadow:0 1px 4px rgba(0,0,0,.18);padding:10px;width:calc(100% + 20px);margin-left:-10px;margin-bottom:10px!important;margin-top:-10px;border-radius:2px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.choiceFillBlank>div:nth-child(2){width:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.choiceFillBlank>div:nth-child(2) div.selectionExercise{margin-bottom:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.choiceFillBlank>div:nth-child(2) div.selectionExercise:last-child{margin-bottom:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.choiceFillBlank a.hex-btn-white-blue{cursor:pointer}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>div.borderBottom:nth-last-child(n+2){padding-bottom:20px;border-bottom:1px solid #e2e2e2}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseAnswer>div.answerContent>a.hex-btn-white-blue{margin-left:20px;cursor:pointer}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber{margin-top:10px;padding:20px;background-color:#fff;border-radius:4px;border:1px solid transparent}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>span.tipInfo{font-size:12px;color:#999;margin-bottom:12px;display:block}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a{display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;min-width:28px;height:28px;text-align:center;line-height:20px;color:#666;-webkit-box-sizing:border-box;box-sizing:border-box;border-radius:4px;border:1px solid #e2e2e2;margin-right:16px;cursor:pointer}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a:hover{border:1px solid #196fff}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.active{border:1px solid transparent;background-color:#196fff}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.active>span{border-right:1px solid #fff;color:#fff}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a>span{min-width:28px;height:20px;margin-top:3px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.dragIn{border:1px dotted #196fff;background-color:#f5f5f5}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number{position:relative}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtn{display:inline-block;width:28px;height:26px;position:relative;border-radius:0 4px 4px 0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtn>i{display:block;width:18px;height:18px;margin:4px auto 0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtn>div.upArrow{position:absolute;height:16px;width:16px;top:24px;z-index:5}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtn>div.upArrow>i{display:block;height:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtn>div.hex-delete-alert{position:absolute;left:-28px;top:37px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtn>div.hex-delete-alert>div.operation{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtn>div.hex-delete-alert>div.operation>a{margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtn:hover,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>a.number>a.deleteExerciseQuestionsBtnNumDel{background:#3d84ff}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions{position:relative;z-index:5}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList{width:422px;background-color:#fff;position:absolute;-webkit-box-shadow:0 1px 4px rgba(0,0,0,.3);box-shadow:0 1px 4px rgba(0,0,0,.3);border-radius:4px;top:40px;left:0;padding:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList>i{display:block;width:16px;height:10px;position:absolute;top:-10px;left:5px;font-size:14px;cursor:#333}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList>div.title{text-align:left;height:14px;line-height:14px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList>div.content{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList>div.content>div{min-width:25%;margin-top:14px;height:14px;line-height:14px;display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList>div.content>div>div{margin-right:6px;cursor:pointer}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList>div.addExerciseQuestionsBtn{margin-top:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList>div.addExerciseQuestionsBtn>a{cursor:pointer}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.cQuestionsNumber>div.addExerciseQuestions>div.exerciseTypeList>div.addExerciseQuestionsBtn>a.hex-btn-white-blue{margin-right:106px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsStem{margin-top:10px;padding:20px;background-color:#fff;border-radius:4px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsStem>div.hex-title{margin-bottom:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsStem>div.hex-title div.right>a{display:inline-block;width:18px;height:18px;cursor:pointer;margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsStem>div:last-child{margin-top:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer{margin-top:10px;padding:20px;background-color:#fff;border-radius:4px;position:relative}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.hex-texture{width:100%;height:calc(50% - 18px);margin-left:-20px;margin-top:-20px;position:absolute;z-index:0;bottom:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.hex-title{margin-bottom:20px;position:relative;z-index:3}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.hex-title div.right>a{display:inline-block;width:18px;height:18px;cursor:pointer;margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber{margin:20px 0;background-color:#fff;border-radius:4px;position:relative;z-index:4;border:1px solid transparent}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a{display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;min-width:28px;text-align:center;line-height:20px;color:#666;border-radius:4px;border:1px solid #e2e2e2;margin-right:16px;cursor:pointer;-webkit-box-sizing:border-box;box-sizing:border-box;height:28px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a:hover{border:1px solid #196fff}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a.active{border:1px solid transparent;background-color:#196fff}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a.active>span{border-right:1px solid #fff;color:#fff}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a>span{margin-top:3px;min-width:28px;height:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a.dragIn{border:1px dotted #196fff;background-color:#f5f5f5}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a>a.deleteExerciseQuestionsBtn{display:inline-block;width:28px;height:26px;position:relative;border-radius:0 4px 4px 0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a>a.deleteExerciseQuestionsBtn>i{display:block;width:18px;height:18px;margin:4px auto 0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a>a.deleteExerciseQuestionsBtn>div.upArrow{position:absolute;height:16px;width:16px;top:24px;z-index:5}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a>a.deleteExerciseQuestionsBtn>div.upArrow>i{display:block;height:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a>a.deleteExerciseQuestionsBtn>div.hex-delete-alert{position:absolute;left:-28px;top:37px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a>a.deleteExerciseQuestionsBtn:hover,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.lcQuestionsNumber>a>a.deleteExerciseQuestionsBtnNumDel{background:#3d84ff}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent{position:relative;z-index:3}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise){margin-top:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor{width:100%;display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor>div.blankNo{width:16px;height:16px;border-radius:50px;border:1px solid #000;text-align:center;line-height:15px;font-size:12px;-webkit-transform:scale(.8);transform:scale(.8);margin-top:2px;margin-right:6px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.content,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.isHaveFormula{margin:0 30px 0 0;-webkit-box-flex:1;-ms-flex:1;flex:1;width:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.isHaveFormula{padding-left:10px;cursor:pointer;display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.isHaveFormula>div{margin-top:3px;margin-right:5px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.opacity0{opacity:0;max-height:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.edit>a{display:inline-block;width:18px;height:18px;cursor:pointer;margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.edit>a.hex-icon-move,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.edit>a.hex-icon-trash{margin-left:10px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent>div:not(.selectionExercise)>div.noHexRichEditor div.edit>a.hex-icon-trash>div.deleteConfirm>div.hex-delete-alert>div.operation>a:first-child{margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer>div.exerciseQuestionsAnswerContent input.hex{width:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise{margin-top:unset;margin-bottom:20px;border:1px solid transparent}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor{width:100%;display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.hex-check-box{margin-top:3px;cursor:pointer;margin-right:6px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.option{margin-right:10px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.content{margin:0 30px 0 0;-webkit-box-flex:1;-ms-flex:1;flex:1}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.opacity0{opacity:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.edit>a{display:inline-block;width:18px;height:18px;cursor:pointer;margin-left:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-move,div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-trash{margin-left:10px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-trash{position:relative}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-trash>div.deleteConfirm>i{display:block;width:16px;height:10px;position:absolute;z-index:4;top:21px;left:4px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise div.noHexRichEditor div.edit>a.hex-icon-trash>div.deleteConfirm>div{top:32px;right:-4px;z-index:3}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise.active{border:1px dotted #196fff;background-color:#f5f5f5}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.selectionExercise:hover{-webkit-box-shadow:0 1px 4px rgba(0,0,0,.18);box-shadow:0 1px 4px rgba(0,0,0,.18);padding:10px;width:calc(100% + 20px);margin-left:-10px;margin-bottom:10px!important;margin-top:-10px;border-radius:2px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.choiceFillBlank{display:-webkit-box;display:-ms-flexbox;display:flex}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.choiceFillBlank>div.blankNo{width:16px;height:16px;border-radius:50px;border:1px solid #000;text-align:center;line-height:15px;font-size:12px;-webkit-transform:scale(.8);transform:scale(.8);margin-top:2px;margin-right:16px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.choiceFillBlank div.selectionExercise{width:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.choiceFillBlank div.selectionExercise:hover{-webkit-box-shadow:0 1px 4px rgba(0,0,0,.18);box-shadow:0 1px 4px rgba(0,0,0,.18);padding:10px;width:calc(100% + 20px);margin-left:-10px;margin-bottom:10px!important;margin-top:-10px;border-radius:2px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.choiceFillBlank>div:nth-child(2){width:100%}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.choiceFillBlank>div:nth-child(2) div.selectionExercise{margin-bottom:20px}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.choiceFillBlank>div:nth-child(2) div.selectionExercise:last-child{margin-bottom:0}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.choiceFillBlank a.hex-btn-white-blue{cursor:pointer}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer div.borderBottom:nth-last-child(n+2){padding-bottom:20px;border-bottom:1px solid #e2e2e2}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer a.hex-btn-white-blue{margin-left:20px;cursor:pointer}div.exerciseMain>div.hex-child-page>div:not(.title)>div.content>div.left>div.exerciseQuestions>div.exerciseQuestionsAnswer a.noMargin{margin-left:0}div.exerciseMain div.layer,div.exerciseMain div.tipTextLayer{position:fixed;z-index:5;top:0;left:0;width:100%;height:100%}div.exerciseMain div.tipTextLayer{background-color:rgba(0,0,0,.3)}div.exerciseMain div.tipTextLayer>.confirm{width:432px;height:182px;position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%);top:40%;-webkit-transform:translate(-50%,-40%);transform:translate(-50%,-40%)}div.exerciseMain div.tipTextLayer>.confirm>div:first-child{width:100%;height:40px}div.exerciseMain div.tipTextLayer>.confirm>div:first-child>i{width:40px;height:40px;margin:0 auto;display:block}div.exerciseMain div.tipTextLayer>.confirm>div:nth-child(2){height:16px;line-height:16px;font-size:16px;color:#fff;margin-top:30px;text-align:center}div.exerciseMain div.tipTextLayer>.confirm>div:nth-child(3){margin-top:60px;text-align:center}i{font-style:normal}