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.arrow:after{border-color:#ff4e45;transform:rotate(45deg);top:8px}.filterBox .filterList .filterOptionsList{position:absolute;left:0;top:25px;width:100px;max-height:215px;overflow:auto;background:#fff;box-shadow:2px 2px 10px 0 #e8e8e8;z-index:2}.filterBox .filterList .filterOptionsList .fol-item{position:relative;padding:6px;line-height:18px;font-size:14px;font-family:MicrosoftYaHei;color:#666;line-height:19px;text-shadow:2px 2px 10px #e8e8e8}.filterBox .filterList .filterOptionsList .fol-item:after{position:absolute;left:50%;bottom:0;margin-left:-35px;content:"";width:70px;height:1px;overflow:hidden;background:#e8e8e8}.filterBox .filterList .filterOptionsList .fol-item:last-child:after{height:0}.filterBox .filterList .filterOptionsList .fol-item.active,.filterBox .filterList .filterOptionsList .fol-item:hover{background:#fffcfb;font-size:14px;font-family:PingFangSC-Semibold,PingFang SC;font-weight:600;color:#ff4e45}.filterBox .activityCode{display:flex;align-items:center;justify-content:space-between;width:375px;height:62px;background:linear-gradient(90deg,#fff3f3,#fffcfc);border:1px solid;-o-border-image:linear-gradient(155deg,#fff,#ffe3e3) 1 1;border-image:linear-gradient(155deg,#fff,#ffe3e3) 1 1;cursor:pointer}.filterBox .activityCode 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.close{position:absolute;right:-26px;top:-26px;width:16px;height:16px;background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAAXNSR0IArs4c6QAAAdNJREFUWEe1lz9LHFEUR88PLKyMnWCtnQERBEU7UbAxCEkfCxE/g/g9RGwULLQQtBBDQsoUWlinSOGnSCDglSdvltnZmXl/ZnabZXk7nPPuffe+OwIws2lgXtKT+z3Oj5nNAh+Bn5L+y8w+AC+A+34AdiX9G4eEma14hmOdSdp3AsvAYwn4HdjpW8LDvwFTnvUsaUk+BffA9rgkzGzV77yAvwJfJN0UApPALbDVt0TNzh18T9KFY70L+Cj0LhGCDwn0LREDHxHoSyIWXivQVSIF3iiQK5EKbxVIlciBBwVKEnfAZlOJ5sKjBEISwCJQ7nBDdR5q6YM+EPqjmdX1iV/AQqm9JsGjI1BpVtV0FMvJ8GSBUjp+AGuVqB1IOg1FsroenYJSFNyVWs55sZR1iyYJ1Jz26oaSJaIFGkrtEPjcVqKhlEQJtNW5r47WPtEmERSIaTJdJFoFYuCBEg2eiUaBFHgXiVqBhhluMEa15TQ1HSMCXeA5kRgS6AOeKlEeSutG56iwN6UkJh3FWN47PCISnyT9dW9GM8Bv/2rmnsu61TIO5rmkr05gA3C321jgLZH4I2nOCUwAl36yOZZ0Herfuev+TJwA68CRpKtgK86FxT73BrDKRTAbJK7mAAAAAElFTkSuQmCC) no-repeat;background-size:16px;cursor:pointer}.EnlargeCode_content .qrcodeUrl{width:225px;height:225px}.coverTheme .homework-head{background:#fff;color:#333}.collectWrap{display:flex;align-items:flex-start;align-content:flex-start;justify-content:space-between;flex-wrap:wrap;margin:11px auto 47px;padding:20px 24px 0;width:1180px;min-height:880px;background:#fff;box-sizing:border-box}