<div class="pd-nav">

     <div class="n-item active">

         保险服务 <i></i>

     </div>

     <div class="n-item " id="bzjh1">

         保障计划

         <i></i>

     </div>

         <div class="n-item"        onclick="window.location.href='http://fortune.jmc999.cn/finance.html'">

                         理财策划

         <i></i>

     </div>

 </div>

<script type="text/javascript">

    //获取元素距离html顶部距离

	var _scrolltop = $('#bzjh2').offset().top;

	$('#bzjh1').click(function(){

		$('html, body').animate({

			scrollTop: _scrolltop},1000

		);

	})

</script>