bootstrap 3导航工作正常，但在移动视图中，折叠栏无法正确显示。 https://test.relocatte.com
<header id="header" class=" header_standard left" >
<div class="container" style="padding: 0px">
<nav class="navbar navbar-fixed-top" role="navigation">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="../index.php">
<img class="logo_img" src="../images/client_logo/relocatte_logo.png">
</a>
</div>
<div class="collapse navbar-collapse" id="myNavbar">
<ul class="nav navbar-nav">
<li id="" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-843"><a title=" " style="font-size:18px" href="#">hello@relocatte.com</a></li>
<li id="" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-843"><a title=" " style="font-size:18px" href="#">+91-9999470777</a></li>
<li id="" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-843"><a title=" " style="font-size:18px" href="../landlord.php">Landlord</a></li>
<li id="" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-843"><a title=" " style="font-size:18px" href="../business.php">Business</a></li>
<li id="" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-843"><a title=" " style="font-size:18px" href="../contact.php">Contact Us</a></li>
</ul>
</div>
</nav>
</div>
</header>