document.write("<div class=\"course-form\">    <div class=\"cou-f-t\">        <span>帮我选课</span>        <em>联系老师，帮我选到最优课程</em>    </div>    <div class=\"cou-f-c\">        <input class=\"cou-f-ipt\" type=\"text\" name=\"name\" id=\"username\" value=\"\" placeholder=\"您的姓名\" />        <input class=\"cou-f-ipt\" type=\"text\" name=\"name\" id=\"sername\" value=\"\" placeholder=\"你想学习的课程\" />        <input class=\"cou-f-ipt\" style=\"margin-bottom: 0;\" type=\"text\" name=\"name\" id=\"usertel\" value=\"\" placeholder=\"您的联系电话\" />        <span class=\"cou-f-btn btn-bg\">立即咨询</span>        <p>今天已帮助 <em>372名</em> 学员选到了课程</p>    </div>    <img class=\"cou-f-b\" src=\"//www.gaokao.cn/px/union/gaokao/img/xuanke@2x.png\"></div>")