release: prepare Hulumath v1.2.0

backend/templates/index.html

@@ -28,6 +28,7 @@
       </nav>
       <div class="sidebar-foot">
         <div class="system-status"><i></i>系统在线</div>
+        <small class="app-version">Hulumath v{{ app_version }}</small>
         <button id="auth-button" class="ghost-button">登录 / 注册</button>
       </div>
     </aside>
@@ -66,6 +67,18 @@
           </article>
         </div>
 
+        <section class="wechat-entry">
+          <div>
+            <span class="kicker">WECHAT OFFICIAL ACCOUNT</span>
+            <h2>在公众号继续收到数学人生更新</h2>
+            <p>微信内搜索公众号「葫芦数学」，获取新剧情、比赛活动与版本公告。</p>
+          </div>
+          <div class="wechat-entry-actions">
+            <button id="wechat-copy" class="ghost-button" data-wechat-name="葫芦数学">复制公众号名称</button>
+            <a class="primary-button" href="weixin://">打开微信</a>
+          </div>
+        </section>
+
         <section class="section">
           <div class="section-heading">
             <div><span class="kicker">FOUR SPIRITS</span><h2>四种数学精神</h2></div>