update contact

Author: Beikewzh

_layouts/contact.html

@@ -3,43 +3,19 @@
 layout: default
 bodyClass: "page-contact"
 ---
-
 <link
   rel="stylesheet"
   href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css"
 />
-
 <div class="intro animate__animated animate__slideInRight">
-  <div class="container pb-6 pt-6 pt-md-10 pb-md-10">
-    <div class="row justify-content-start">
-      <div class="col-12 col-md-8">
-        <div class="service service-single">
-          <h1 class="title">{{ page.title }}</h1>
-
-          <!-- Direct “Join us on Slack” call-to-action -->
-          <div class="call" style="margin: 2rem 0; text-align: center;">
-            <div
-              class="call-box-top call-container"
-              style="display: inline-flex; align-items: center; padding: 1rem 2rem; background: #f9f9f9; border: 1px solid #ddd; border-radius: 8px;"
-            >
-              {% if site.data.contact.contact_sentence %}
-                <p class="call-sentence" style="margin: 0 1rem 0 0; font-size: 1.1rem;">
-                  {{ site.data.contact.contact_sentence }}
-                </p>
-              {% endif %}
-              <a
-                href="https://join.slack.com/t/continualai/shared_invite/zt-2y0yj6js4-7jA_t2gGvC6QQEXujjdRcw"
-                class="button call-button"
-                style="padding: 0.6rem 1.2rem; font-weight: bold;"
-              >
-                🔗 Join us on Slack
-              </a>
+    <div class="container pb-6 pt-6 pt-md-10 pb-md-10">
+        <div class="row justify-content-start">
+            <div class="col-12 col-md-8">
+                <div class="service service-single">
+                    <h1 class="title">{{page.title}}</h1>
+                    <div class="content mt-4">{{content}}</div>
+                </div>
             </div>
-          </div>
-
-          <div class="content mt-4">{{ content }}</div>
         </div>
-      </div>
     </div>
-  </div>
-</div>
+</div>

contact.md

@@ -29,6 +29,8 @@ Are you curious about *ContinualAI* and its mission? Check out our [introductory
 
 ---
 
+**ContinualAI** is an open and inclusive community. We welcome new members to join our collaborative projects or engage in discussions about continual learning (CL). [Join us on Slack](https://join.slack.com/t/continualai/shared_invite/zt-2y0yj6js4-7jA_t2gGvC6QQEXujjdRcw) today!
+
 <!-- Join Us on Slack Box -->
 <div style="text-align:center; background: #f9f9f9; border: 1px solid #ddd; padding: 20px; border-radius: 8px; margin-top: 25px; font-size: 20px; box-shadow: 0 2px 5px rgba(0,0,0,0.1);">
     <a href="https://join.slack.com/t/continualai/shared_invite/zt-2y0yj6js4-7jA_t2gGvC6QQEXujjdRcw" target="_blank" style="text-decoration: none; color: #333;">