Update file footer.html

wiki/footer.html

 <footer class="pb-3 pt-3 mt-5 footer" style="background-color: #ffe4e1;">
   <div class="container">
-
     <div class="row">
       <div class="col-lg-8 col-xs-12">
           <h4 class="mt-lg-0 mt-sm-3">Follow us on social media</h4>
@@ -11,26 +10,27 @@
                       <li><a href="https://www.youtube.com/" style="color: black;">YouTube</a></li>
                       <li><a href="https://www.tiktok.com/" style="color: black;">TikTok</a></li>
                       <li><a href="https://www.bilibili.com/" style="color: black;">Bilibili</a></li>
-                      <li><a href="#" style="color: black;">......</a></li>
                   </ul>
               </div>
+              <!-- 第二组社交媒体链接 (占三分之二内部的另一半) -->
               <div class="col-lg-6 col-xs-12">
                   <ul class="m-2 p-2">
-                      <li><a href="https://www.wechat.com/" style="color: black;">Wechat</a></li>
+                      <li><a href="https://www.wechat.com/" style="color: black;">WeChat</a></li>
                       <li><a href=# style="color: black;">......</a></li>
                   </ul>
               </div>
           </div>
       </div>
+      
+      <!-- Contact (占整行的三分之一) -->
+      <div class="col-lg-4 col-xs-12">
+          <h4>Contact</h4>
+          <p>22, Lorem ipsum dolor, consectetur adipiscing</p>
+          <p class="mb-0">(541) 754-3010</p>
+          <p>info@hsdf.com</p>
+      </div>
   </div>
-
-    <div class="col-lg-4 col-xs-12">
-        <h4>Contact</h4>
-        <p>Tsinghua University, Hai Dian, Beijing</p>
-        <p>+86 12345678901</p>
-        <p>info@mails.tsinghua.edu.cn</p>
-    </div>
-  </div>
+  
     <hr>
     <!-- The following MUST be on every page: license information and link to the repository on gitlab.igem.org -->
     <div class="row mt-4">