css 选择
<html>
<head>
<script type="text/javascript" src='__PUBLIC__/Mobile/default/js/jquery-1.9.1.min.js'></script>
<meta charset="UTF-8">
<style>
.qq > p:first-child{
color:#00e45f;
}
</style>
</head>
<body>
<div class="qq">
<p>后台</p>
<p>后台</p>
<p>后台</p>
<p>后台</p>
</div>
</body>
</html>
