remember those times when you needed to style a parent element based on its children, and you ended up writing a bunch of javascript just to add a simple class? well, those days are finally behind...
css的:has()伪类允许前端开发者根据子元素状态为父元素添加样式，简化了表单验证和下拉菜单等场景的样式处理，提升了性能和可维护性，增强了样式管理的优雅性和开发效率。
