menu导航跟随样式,相对定与绝对定位lleft:260px才行？
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link rel="icon" type="image/x-icon" href="">
<link rel="stylesheet" type="text/css" href="">
<script type="text/javascript" src="jquery-3.3.1.min.js"></script>
<style type="text/css">
*{margin:0;padding:0;}
.main{width:1000px;height:40px;margin:0px auto;margin-top:30px;background:rgb(29,98,169);color:#fff;border-radius:10px;}
.main ul{position:relative;line-height: 35px;text-align:center;font-size:0;}
.main ul li{line-height:35px;list-style:none;width:100px;display:inline-block;border-right:0px solid #fff;font-size: 16px;}
.split{width:0px!important;}
</style>
<title>menu导航跟随样式</title>
</head>
<body>
<div class="main">
<ul>
<li name='0'>首页</li>
<li class="split">|</li>
<li name='1'>产品</li>
<li class="split">|</li>
<li name='2'>公司新闻</li>
<li class="split">|</li>
<li name='3'>行业新闻</li>
<li class="split">|</li>
<li name='4'>联系我们</li>
<div class="bottom" style="width:80px;height:2px;background:#fff;position:absolute;left:260px;top:36px;"></div>
</ul>
</div>
<script>
$(function(){
$('li').hover(
function(){
$m=parseInt($(this).attr('name'))*100;
$('.bottom').stop().animate({left:$m+260+'px'},600);
},
function(){
$('.bottom').stop().animate({left:'260px'},600);
})
})
</script>
</body>
</html>