page{ width: 100%; height: 100%; background-color: #F9F9FD; } .projectbox{ background-color: #FFFFFF; color: #666666; } .projectbox>view{ height:88rpx; line-height: 88rpx; margin-left: 30rpx; padding-left: 36rpx; /* border-bottom: 1px solid #EEEEEE; */ } .proname{ font-size: 32rpx; color: #949494; } .projectbox .children{ padding-left:72rpx; position: relative; } .projectbox .children::before{ content: ''; width: 18rpx; top: 29rpx; left: 41rpx; position: absolute; height: 18rpx; border-bottom: 1px solid #cccccc; border-left: 1px solid #cccccc; } .projectbox .childrenactive{ /* background-color: #f0f0f0; */ color: #0089ff; } .projectbox .childrenactive::before{ content: ''; width: 18rpx; top: 29rpx; left: 41rpx; position: absolute; height: 18rpx; border-bottom: 1px solid #0089ff; border-left: 1px solid #0089ff; }