feat: 旅游卡页面重设计 + uni-app升级 + Sass迁移@use

- 旅游卡页面(qrcode/index): 卡面背景图、持卡人信息直接显示、
  头像点击查看大图、绑定入口、入园码二维码、卡号复制按钮
- App.vue: getSystemInfoSync → getDeviceInfo, try/catch兜底
- uni-app 升级到 3.0.0-alpha-5010320260611001 (5.13)
- Sass: @import → @use 迁移(main.scss, _mixins.scss, _utilities.scss)
- pnpm-workspace.yaml 配置更新

Co-Authored-By: Claude <noreply@anthropic.com>

src/App.vue

@@ -5,18 +5,22 @@ import { useUserStore } from './store/user'
 onLaunch(() => {
   // #ifdef MP-WEIXIN
   // 仅真机检查隐私协议，模拟器中跳过（getPrivacySetting 在模拟器会触发框架级 timeout）
-  const sysInfo = uni.getSystemInfoSync()
-  if (sysInfo.platform !== 'devtools' && wx.getPrivacySetting) {
-    wx.getPrivacySetting({
-      success: (res: any) => {
-        if (res.needAuthorization) {
-          uni.setStorageSync('needPrivacy', true)
-        } else {
-          uni.removeStorageSync('needPrivacy')
-        }
-      },
-      fail: () => {},
-    })
+  try {
+    const deviceInfo = wx.getDeviceInfo()
+    if (deviceInfo.platform !== 'devtools' && typeof wx.getPrivacySetting === 'function') {
+      wx.getPrivacySetting({
+        success: (res: any) => {
+          if (res.needAuthorization) {
+            uni.setStorageSync('needPrivacy', true)
+          } else {
+            uni.removeStorageSync('needPrivacy')
+          }
+        },
+        fail: () => {},
+      })
+    }
+  } catch (_e) {
+    // wx.getDeviceInfo 或 wx.getPrivacySetting 不支持时静默跳过
   }
   // #endif
 
@@ -31,7 +35,7 @@ onLaunch(() => {
 </script>
 
 <style lang="scss">
-@import './styles/main.scss';
+@use './styles/main.scss' as *;
 
 page {
   min-height: 100vh;