[FEAT] 完善個人檔案功能：新增頭像即時上傳、麵包屑導覽、版面寬度優化與日期格式統一

resources/views/admin/gift-definitions/index.blade.php

@@ -39,7 +39,7 @@
 </div>
 @endif
 
-<div class="container mx-auto px-6 py-8">
+<div class="px-6 py-8">
     <div class="flex justify-between items-center mb-6">
         <h3 class="text-gray-900 dark:text-gray-200 text-3xl font-medium">禮品設定</h3>
         <button onclick="document.getElementById('createModal').classList.remove('hidden')" class="btn-luxury-primary">