.nav_title{width:1200px;box-sizing:border-box;margin:0 auto;margin-top:20px;background-color:#fff;border-radius:10px;padding-left:20px;overflow:hidden}.nav_title h3{font-size:16px;position:relative;padding-left:18px;font-weight:normal}.nav_title h3::before{position:absolute;content:"";width:8px;height:8px;border-radius:50%;background:#279AFE;left:0;top:50%;transform:translateY(-50%)}.nav_title h3 span{display:inline-block;margin:0 10px;color:#279AFE;font-weight:bold}#paperDetail{width:1200px;margin:0 auto;background-color:#fff;border-radius:10px;overflow:hidden;box-sizing:border-box;margin-top:20px}#paperDetail .box-shadow{-webkit-box-shadow:0 0 10px #ddd;box-shadow:0 0 10px #ddd}#paperDetail .ex_left{width:75%;float:left}#paperDetail .ex_left .ex_title{clear:both;text-align:center;padding-top:10px;padding-bottom:10px}#paperDetail .ex_left .ex_content{height:auto;margin-top:10px;padding-top:10px;padding-bottom:10px;font-size:14px;line-height:25px}#paperDetail .ex_left .ex_content>div{width:96%;margin:0 auto;display:none}#paperDetail .ex_left .ex_content .f_s{text-align:right}#paperDetail .ex_left .ex_content .f_s span{margin-right:15px;margin-left:15px;cursor:pointer}#paperDetail .ex_left .ex_content .f_s .fs_stamp{background:url("../Images/stamp.png") no-repeat left;padding-left:20px}#paperDetail .ex_left .ex_content .f_s .fs_analysis{background:url("../Images/analysis.png") no-repeat left;padding-left:15px}#paperDetail .ex_left .ex_content .f_s .fs_debugg{background:url("../Images/debugging.png") no-repeat center left;padding-left:15px}#paperDetail .ex_left .ex_content #sysAnswer{background-color:#f6f6f6;padding:10px}#paperDetail .ex_left .ex_up_next{width:100%;margin-top:10px;height:50px;overflow:hidden;font-size:14px}#paperDetail .ex_left .ex_up_next div{width:910px;height:50px;overflow:hidden}#paperDetail .ex_left .ex_up_next li{width:450px;float:left;height:50px;line-height:50px;text-align:center}#paperDetail .ex_left .ex_up_next li:first-child{border-right:1px solid #ddd}#paperDetail .ex_left .ex_up_next .up_next_btn_active{background-color:#337ab7;color:#fff;cursor:pointer}#paperDetail .ex_right{width:22%;float:right;height:auto;font-size:14px}#paperDetail .ex_right .ex_r_content{overflow:hidden;color:#8f8f8f;padding-bottom:15px}#paperDetail .ex_right .ex_r_content h4{margin:0 auto;background-color:#ddd;padding:10px 0;text-align:center;font-size:18px}#paperDetail .ex_right .ex_r_time{width:80%;margin:0 auto;line-height:21px;margin-top:15px;margin-bottom:15px;background:url("../Images/timer.png") no-repeat left;padding-left:25px}#paperDetail .ex_right .ex_r_time #timer{line-height:22px;height:22px;font-size:20px}#paperDetail .ex_right .ex_r_time #pause_start{margin-left:16px;background:url("../Images/pause.png") no-repeat left;padding-left:14px;cursor:pointer}#paperDetail .ex_right .ex_r_time #full_screen{margin-left:16px;background:url("../Images/fullscreen.png") no-repeat left;padding-left:18px;cursor:pointer}#paperDetail .ex_right #options{max-height:300px;overflow-y:auto;margin-top:10px}#paperDetail .ex_right #options>div{clear:both;padding-left:10px;margin-bottom:6px}#paperDetail .ex_right #options li{width:20px;height:20px;overflow:hidden;float:left;border:1px solid #ddd;margin:0 0 10px 10px;text-align:center;cursor:pointer;font-size:12px}#paperDetail .ex_right #options li.complete{color:#fff;background-color:#b3b3b3}#paperDetail .ex_right #options li.stamp{color:#ddd;background-color:yellow !important}#paperDetail .ex_right #ex_quest_flag{margin-top:15px;text-align:center}#paperDetail .ex_right #ex_quest_flag li{width:50px;height:52px;float:left;margin-left:20px;margin-right:10px}#paperDetail .ex_right #ex_quest_flag li span:first-child{border:1px solid #ddd;width:48px;height:20px;display:block}#paperDetail .ex_right #ex_quest_flag li:first-child span:first-child{background-color:yellow}#paperDetail .ex_right #ex_quest_flag li:nth-child(3) span:first-child,#paperDetail .ex_right #ex_quest_flag li:nth-child(3) .complete{background-color:#b3b3b3}#paperDetail .ex_right #btn_submit{width:90%;margin:0 auto;margin-top:10px;margin-left:5%;border:0px;color:#fff;background-color:#337ab7;border-color:#2e6da4;display:inline-block;font-size:14px;font-weight:400;line-height:30px;white-space:nowrap;vertical-align:middle;-ms-touch-action:manipulation;touch-action:manipulation;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;background-image:none;border:1px solid transparent;border-radius:4px}#paperDetail .ex_right #btn_submit:hover{color:#fff;background-color:#286090;border-color:#204d74}