.kz-class-index-wrapper{margin:20px;min-height:600px;border-radius:10px;background:#3c4c66}.kz-class-index-wrapper .back-class-list-btn{font-size:24px;line-height:12px;position:absolute;top:10px;right:24px}.kz-class-index-wrapper .class-index-head{border-bottom:2px solid #4f6280}.kz-class-index-wrapper .class-index-head .a-head-link{display:block;float:left;margin-bottom:-2px;padding:18px 20px;color:#ccc;font-size:16px;text-decoration:none}.kz-class-index-wrapper .class-index-head .linkActive{color:#409eff;border-bottom:2px solid #409eff}.kz-class-index-wrapper .class-index-weight-btn{margin:10px 20px 0 0}.kz-class-index-wrapper .class-index-content{margin:20px}.kz-class-index-wrapper .select-class-option .el-select{margin-right:15px}.kz-class-index-wrapper .select-class-option .el-input__inner{background:#283140;border-color:#4f6280;color:#ccc}