如何使navbar-fixed-top移动到第二个菜单

Question

大家好我有我的jsfiddle here

.top-category-div {
    background: black;
    color: white;
    margin-top: 0px;
    margin-left: -66%;
    padding-bottom: 54px;

}

.main-menu-div {
  margin-top:70px;
}

@media (min-width: 1280px) {
    .container{  
        width: 1280px;
        padding-left: 0;
        padding-left: 0px;
        padding-right: 0px;
        margin-right: auto;
        margin-left: auto;
        padding-left: 15px;
        padding-right: 15px;
    }
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet"/>
    <nav class="navbar navbar-inverse navbar-fixed-top" >
            <div class="container">
                <div class="navbar-header pull-left">
                    <button type="button" class="navbar-toggle collapsed " data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                        <span class="sr-only">Toggle navigation</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                </div>
                
                <div class="collapse navbar-collapse responsive-menu-button" id="bs-example-navbar-collapse-1">
                    <ul class="nav navbar-nav top-header-left-list">
                        <li><a href="#">Website Review <span class="sr-only">(current)</span></a></li>
                        <li><a href="#">Our Blog</a></li>
                        <li><a href="#">About us</a></li>
                    </ul>
                    <ul class="nav navbar-nav navbar-right top-header-right-list ">
                        <li><a href="#"><span class='heart-fav-text'>Your favorites</span>
                                        <span class="glyphicon glyphicon-heart fav-heart"></span> 
                                        <span class='your-favorite-score'>34</span>
                            </a>
                        </li>
                        <li class="active"><a href="#" class="btn">login <span class='or_text'> or </span> subscribe</a></li>
                    </ul>
                </div>
            </div>
        </nav>
    <div class="container main-menu-div ">
        <ul class="pull-right list-inline left-breadcrumbs">
            <li> <a href="#">Contact Us  </a></li>
            <li> <a href="#">How we work  </a></li>
            <li> <a href="#">about our site review </a></li>
        </ul>
        <div class="col-sm-2 section-logo hidden-xs">
            <div class="img-resposnsive">
                <img src="http://placehold.it/193x55" alt="logo" class="img-responsive">    
            </div>
        </div>
        <div class="col-sm-5">
          <ul class="nav nav-pills ">
            <li><a href="">my menu part1</a></li>
            
              <li><a href="">my menu2</a></li>
              <li><a href="">my menu3</a></li>
            </ul>
          </div>
        <div class="col-sm-5 search-box-div">
            <div class="input-group stylish-input-group">
                <input type="text" class="form-control form-group"  placeholder="Search" >
                <span class="input-group-addon">
                    <button type="submit">
                        <span class="glyphicon glyphicon-search"></span>
                    </button>  
                </span>
            </div>
        </div>
    </div>
    <div>
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    </div>

我希望导航栏下方的子菜单应该像navbar-fixed-top一样。我在这里有一个站点链接，我想要demo_site

之类的东西

当用户向下滚动时，我希望我的第二个菜单沿顶部移动，我只想要我的菜单part1我的menu2我的menu3这些3和徽标将沿顶部移动。可以隐藏第一个导航栏中的所有内容。任何帮助将不胜感激