refactor: update API base URL and enhance read page functionality

- Changed API base URL from localhost:8080 to https://soulapi.quwanzhi.com for production.
- Added new read page configuration for "阅读详情" with specific query parameters.
- Implemented a fallback mechanism for read page UI to handle cases where cloud data is unavailable.
- Updated read page content and clipboard text formatting for better user experience.
- Removed deprecated gift sharing UI elements to streamline the interface.

miniprogram/pages/read/read.wxml

@@ -149,7 +149,12 @@
             </view>
           </view>
           <view class="paywall-audit-tip" wx:if="{{auditMode}}">审核中，暂不支持购买</view>
-          <text class="paywall-desc paywall-desc--moments-expanded" wx:if="{{momentsPaywallExpanded}}">{{readUi.singlePageExpandedHint || '预览不可付款，请点底部「前往小程序」。'}}</text>
+          <view class="paywall-expanded-stack" wx:if="{{momentsPaywallExpanded}}">
+            <text class="paywall-expanded-lead">{{readUi.singlePageExpandedHint || '预览页不能直接付款，务必先点底栏「前往小程序」。'}}</text>
+            <view class="paywall-expanded-divider"></view>
+            <text class="paywall-expanded-line">{{readUi.shareTipLine || '好友经你分享购买，你可获得约 90% 收益'}}</text>
+            <text class="paywall-expanded-line">{{readUi.fullPaywallTip || '转发给需要的人，一起学习还能赚佣金'}}</text>
+          </view>
         </block>
 
         <block wx:else>
@@ -236,7 +241,12 @@
             </view>
           </view>
           <view class="paywall-audit-tip" wx:if="{{auditMode}}">审核中，暂不支持购买</view>
-          <text class="paywall-desc paywall-desc--moments-expanded" wx:if="{{momentsPaywallExpanded}}">{{readUi.singlePageExpandedHint || '预览不可付款，请点底部「前往小程序」。'}}</text>
+          <view class="paywall-expanded-stack" wx:if="{{momentsPaywallExpanded}}">
+            <text class="paywall-expanded-lead">{{readUi.singlePageExpandedHint || '预览页不能直接付款，务必先点底栏「前往小程序」。'}}</text>
+            <view class="paywall-expanded-divider"></view>
+            <text class="paywall-expanded-line">{{readUi.shareTipLine || '好友经你分享购买，你可获得约 90% 收益'}}</text>
+            <text class="paywall-expanded-line">{{readUi.fullPaywallTip || '转发给需要的人，一起学习还能赚佣金'}}</text>
+          </view>
         </block>
 
         <block wx:else>