css 子代选择器不是只能作用于亲儿子吗?为什么下面代码却能作用于其儿子的儿子
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style type="text/css">
.box>div{
color: red;
width: 50px;
height: 20px;
border: solid;
}
</style>
</head>
<body>
<div class="box">
<p>
<div>你好</div>
</p>
</div>
</body>
</html>