优化个人中心页面，调整导航栏布局以避让右上角胶囊，增强用户体验。更新匹配功能逻辑，增加未开放提示，确保用户在使用时获得明确反馈。

miniprogram/pages/index/index.wxml

@@ -17,7 +17,7 @@
         </view>
       </view>
       <view class="header-right">
-        <view class="contact-btn" bindtap="goToAbout">
+        <view class="contact-btn" bindtap="onLinkKaruo">
           <image class="contact-avatar" src="/assets/images/author-avatar.png" mode="aspectFill"/>
           <text class="contact-text">点击链接卡若</text>
         </view>
@@ -186,4 +186,17 @@
 
   <!-- 底部留白 -->
   <view class="bottom-space"></view>
+
+  <!-- 链接卡若 - 留资弹窗（未填手机/微信号时） -->
+  <view class="lead-mask" wx:if="{{showLeadModal}}" catchtap="closeLeadModal">
+    <view class="lead-box" catchtap="">
+      <text class="lead-title">留下联系方式</text>
+      <text class="lead-desc">方便卡若与您联系</text>
+      <input class="lead-input" placeholder="请输入手机号" type="number" maxlength="11" value="{{leadPhone}}" bindinput="onLeadPhoneInput"/>
+      <view class="lead-actions">
+        <button class="lead-btn lead-btn-cancel" bindtap="closeLeadModal">取消</button>
+        <button class="lead-btn lead-btn-submit" bindtap="submitLead">提交</button>
+      </view>
+    </view>
+  </view>
 </view>