i>
                <li><a href="#more">联系</a></li>
                <!-- <li><a href="#" data-toggle="modal" data-target="#modal1" class="btn btn-blue">Sign Up</a></li> -->
            </ul>
        </div>
        <!-- /.navbar-collapse -->
    </div>
    <!-- /.container-fluid -->
</nav>
<header id="intro">
    <div class="container">
        <div class="table">
            <div class="header-text">
                <div class="row">
                    <div class="col-md-12 text-center">
               