在移動視圖中（窗口大小小于 800px），下拉菜單現在默認打開并覆蓋內容。我希望在單擊切換按鈕之前隱藏菜單。網站：jweeklyusa.com老實說，我可以編寫 html 和 css，但我對 javascript 不太了解。如果你能幫助我，我真的很感激。謝謝你。/* Add Menu Toggle Button for mobile navigation */$("#main-navigation").before('<button id=\"main-navigation-toggle\" class=\"main-navigation-toggle\"></button>');/* Add dropdown slide animation for mobile devices */$('#main-navigation-toggle').on('click', function(){  menu_wrap.slideToggle();  $( this ).toggleClass('active');});/* Add submenus for mobile navigation menu */main_menu.addMobileSubmenu();header_menu.addMobileSubmenu();} );<nav id="main-navigation" class="primary-navigation navigation clearfix" role="navigation"><div class="main-navigation-menu-wrap">  <?php    // Display Main Navigation.    wp_nav_menu( array(      'theme_location' => 'primary',      'container' => false,      'menu_class' => 'main-navigation-menu',      'echo' => true,      'fallback_cb' => 'admiral_default_menu',      )    );  ?></div><!-- main-navigation-menu-wrap --></nav><!-- #main-navigation -->