當(dāng)其父級(jí)具有特定類別時(shí)，我需要覆蓋子級(jí)顏色。.parent {  width: 100%;}.parent>.child {  color: black;}.parent>.child.blue {  color: blue;}.parent.error {  color: red !important;}.parent.error>.child {  color: red !important;}<div class="parent">  <div class="child">Child #1</div>  <div class="child blue">Child #2</div></div>當(dāng)使用 jquery 添加父類時(shí)出現(xiàn)“錯(cuò)誤”時(shí)$('.parent').addClass('error')，只有Child #1顏色變?yōu)榧t色。2 號(hào)孩子（班上有額外的藍(lán)色<div class="child blue">Child #2</div>）保持藍(lán)色。問(wèn)題是，如何強(qiáng)制Child #2將其顏色更改為紅色而不指定.parent.error > .child.blue錯(cuò)誤類別。/*If this style is added, it will work*/.parent.error > .child.blue {    color: red !important;}謝謝...