                        課程
                    
                        /前端開發
                        
                            /JavaScript
                        
                        /搜索框制作

請問怎么出不來下拉框，求幫忙

<!DOCTYPE?html>
<html?xmlns="http://www.w3.org/1999/xhtml">
<head>?
???<meta?http-equiv="X-UA-Compatible"?content="IE=edge"?/><!--解決瀏覽器兼容-->????<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/>????<title>bing?search</title>????<script?src="http://code.jquery.com/jquery-2.1.1.min.js"></script>????<style?type="text/css">????????*?{????????????margin:?0;????????????padding:?0;????????}????????body?{????????????background-color:?#333;????????}????????.bg?{????????????position:?relative;????????????background-image:?url(http://localhost:23688/river.jpg);????????????width:?1228px;????????????height:?690px;????????????margin:?0?auto;????????}????????.search-form?{????????????float:?left;????????????background-color:?#fff;????????????padding:?5px;????????}????????.search-button?{????????????background-image:?url(http://localhost:23688/search-button.png);????????????width:?29px;????????????height:?29px;????????????float:?left;????????????border:?0;????????}????????.search-text?{????????????width:?350px;????????????height:?25px;????????????line-height:?25px;????????????border:?0;????????????float:?left;????????????outline:?none;?/*無邊框*/????????}????????.search-box?{????????????position:?absolute;????????????top:?150px;????????????left:?200px;????????}????????.logo?{????????????background-image:?url(http://localhost:23688/logo.png);????????????width:?107px;????????????height:?53px;????????????float:?left;????????????margin:?-4px?18px?0?0;????????}????????.suggest?{????????????width:?388px;????????????background-color:?#fff;????????????border:?1px?solid?#999;????????}????????????.suggest?ul?{????????????????list-style:?none;????????????}????????????????.suggest?ul?li?{????????????????????padding:?3px;????????????????????font-size:?14px;????????????????????line-height:?25px;????????????????????cursor:?pointer;?/*光標變為手*/????????????????}????????????????????/*鼠標滑過*/????????????????????.suggest?ul?li:hover?{????????????????????????text-decoration:?underline;????????????????????????background-color:?#e5e5e5;????????????????????}????</style>????<script?type="text/javascript">????????$('#search_input').bind('keyup',?function?()?{????????????$('#search-suggest').show().css({?top:?$('#search-form').offset().top?+?$('#search-form').height?+?10,?left:?$('#search-form').offset().left,?position:?'absolute'?});//智能提示框????????})????</script></head><body>????<div?class="bg">????????<div?class="search-box">????????????<div?class="logo"></div>????????????<form?class="search-form"?action="https://cn.bing.com/search"?target="_blank"?id="search-form">????????????????<input?type="text"?name="q"?class="search-text"?id="search_input"?autocomplete="off"?/>????????????????<input?type="submit"?class="search-button"?value=""?/>????????????</form>????????</div>????</div>????<div>????????<div?class="suggest"?id="search-suggest"?style="display:none">????????????<ul>????????????????<li>搜索結果1</li>????????????????<li>搜索結果2</li>????????????????<li>搜索結果3</li>????????????</ul>????????</div>????</div></body></html>