feat: hide trial/subscription text on bind-success when smart_mode_free

miniprogram/pages/bind-success/bind-success.wxml

@@ -14,8 +14,8 @@
     <view class="tip-card">
       <text class="tip-card-icon">🎁</text>
       <view class="tip-card-body">
-        <view class="tip-card-title">恭喜获得7天智能模式试用</view>
-        <view class="tip-card-sub">体验结束后可订阅继续使用</view>
+        <view class="tip-card-title">{{isFreeMode ? '智能模式已开放' : '恭喜获得7天智能模式试用'}}</view>
+        <view class="tip-card-sub" wx:if="{{!isFreeMode}}">体验结束后可订阅继续使用</view>
       </view>
     </view>