[fix]更新脚部菜单导航，并设置最低z-index

wp-content/themes/nenghui-energy-theme-4/assets/css/index.css

@@ -797,6 +797,8 @@ img {
     background-color: #fff !important;
     padding: 60px 0 30px;
     border-top: 1px solid #e9ecef;
+    position: relative;
+    z-index: 1;
 }
 
 .footer-container {

wp-content/themes/nenghui-energy-theme-4/footer.php

@@ -61,7 +61,7 @@
                     <ul class="footer-nav-list">
                         <li><a href="/pros/">Products</a></li>
                         <li><a href="/epc-solutions">EPC & Energy Solutions</a></li>
-                        <li><a href="/cases">Cases</a></li>
+                        <li><a href="/microgrid">Microgrids</a></li>
                     </ul>
                 </div>
                 <div class="footer-nav-column">