ontainer-fluid">

    <!--最顶部导航栏 -->
    <div class="row clearfix">
        <div class="col-md-12 column">
            <nav class="navbar navbar-default" role="navigation">
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle" data-toggle="collapse"
                            data-target="#bs-example-navbar-collapse-1"><span
                            class="sr-only">Toggle navigation</span><span class="icon-bar"></span><span
              