<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="jumbotron">
<div class="row">
<div class="hidden-xs col-sm-7 col-md-7 col-lg-7 login-pic">
<img alt="pic" src="" />
</div>
<div class="col-xs-12 col-sm-5 col-md-5 col-lg-5">
<div class="panel panel-info panel-login">
<div class="panel-heading">
<h3 class="panel-title">立即登录</h3>
</div>
<div class="panel-body">
<div class="form-horizontal">
<div class="form-group">
<div class="col-md-offset-1 col-md-10">
<input id="group_name" name="group_name" type="text" placeholder="集团主账号" class="form-control input-md" required="">
</div>
</div>
<div class="form-group">
<div class="col-md-offset-1 col-md-6">
<input id="group_subname" name="group_subname" type="text" placeholder="集团子账号/手机号" class="form-control input-md" required="">
</div>
<div class="col-md-2">
<button class="btn btn-warning" id="send_pwd">获取动态密码</button>
</div>
</div>
<div class="form-group">
<div class="col-md-offset-1 col-md-10">