.difficult_item[data-v-3fa980a5]{width:33.33%;float:left}.difficult_item2[data-v-3fa980a5]{width:50%;float:left}.el-collapse-item .el-form[data-v-3fa980a5]{margin:20px}h4[data-v-3fa980a5]{margin:0}.is-error[data-v-3fa980a5],.is-error[data-v-3fa980a5] input{border-color:#f56c6c}.is-success[data-v-3fa980a5],.is-success[data-v-3fa980a5] input{border-color:#67c23a}.err_input[data-v-3fa980a5]{padding-left:10px;color:red}