feat(ui): 紫色主题完善、抢单端去自动刷新、我的页下拉刷新

Co-authored-by: Cursor <cursoragent@cursor.com>

pages/fighter/fighter.wxml

@@ -33,7 +33,18 @@
       <image class="refresh-float-ico" src="{{imgUrls.iconRefresh}}" mode="aspectFit"/>
     </view>
 
-    <scroll-view class="content" scroll-y enhanced show-scrollbar="{{false}}">
+    <scroll-view
+      class="content"
+      scroll-y
+      enhanced
+      show-scrollbar="{{false}}"
+      refresher-enabled="{{true}}"
+      refresher-threshold="80"
+      refresher-default-style="black"
+      refresher-background="#f5f3ff"
+      refresher-triggered="{{scrollRefreshing}}"
+      bindrefresherrefresh="onPullDownRefresh"
+    >
       <!-- 用户信息 -->
       <view class="user-info flexb">
         <view class="flex">