feat: 新增国家选择跳过功能，首页可跳过国家选择

新增数据管理器中关联用户账号的跳过标记存储方法，修改首页逻辑，当用户未设置国家且未跳过时弹出国家选择界面，新增选择国家界面的跳过按钮，跳过后本地保存标记不再弹出。

Assets/Res/ui/common/选择国家.prefab

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Assets/Scripts/Managers/DataManager.cs

@@ -175,6 +175,25 @@ namespace Kill.Managers
         }
         #endregion
 
+        #region 国家选择跳过标记
+
+        private const string SKIP_COUNTRY_KEY = "skip_country";
+
+        /// <summary>用户是否已跳过国家选择（跳过后首页不再弹出选择）</summary>
+        public bool HasSkippedCountry()
+        {
+            return PlayerPrefs.GetInt(SKIP_COUNTRY_KEY + "_" + (userInfo?.id ?? ""), 0) == 1;
+        }
+
+        /// <summary>保存跳过国家选择标记（本机保存，与当前登录账号关联）</summary>
+        public void SaveSkippedCountry()
+        {
+            PlayerPrefs.SetInt(SKIP_COUNTRY_KEY + "_" + (userInfo?.id ?? ""), 1);
+            PlayerPrefs.Save();
+        }
+
+        #endregion
+
         #region 未设置密码引导
 
         /// <summary>

Assets/Scripts/UI/Components/SelectCountry.cs

@@ -14,6 +14,7 @@ public class SelectCountry : MonoBehaviour
     public Transform countryParent;
     public Button submitButton;
     public Button backButton;
+    public Button skipButton;
     public InputField searchInput;
     public ScrollRect scrollRect;
     LanguageManager.Country selectCountry;
@@ -25,6 +26,7 @@ public class SelectCountry : MonoBehaviour
     public Color[] textColors;
 
     private List<SelectCountryItem> _items = new List<SelectCountryItem>();
+    private bool _showSkipButton;
 
     /// <summary>
     /// 确认回调：code 为选中的国家代码，null 表示返回/取消
@@ -35,10 +37,12 @@ public class SelectCountry : MonoBehaviour
     /// 初始化
     /// </summary>
     /// <param name="code">当前选中的国家代码</param>
-    /// <param name="showBackButton">是否显示返回按钮（主页不显示）</param>
+    /// <param name="showBackButton">是否显示返回按钮（个人信息页显示，首页不显示）</param>
-    public void Init(string code, bool showBackButton = true)
+    /// <param name="showSkipButton">是否显示跳过按钮（首页显示，个人信息页不显示）</param>
+    public void Init(string code, bool showBackButton = true, bool showSkipButton = false)
     {
         _originalCode = code;
+        _showSkipButton = showSkipButton;
 
         countryPrefab.SetActive(false);
         // 清理旧 item
@@ -57,6 +61,14 @@ public class SelectCountry : MonoBehaviour
                 UIManager.Instance.RegisterBackAction(OnBack);
         }
 
+        // 跳过按钮：不选择国家，直接关闭（onConfirm(null)，不更新国家）
+        if (skipButton != null)
+        {
+            skipButton.gameObject.SetActive(showSkipButton);
+            skipButton.onClick.RemoveAllListeners();
+            skipButton.onClick.AddListener(OnBack);
+        }
+
         if (LanguageManager.Instance == null || LanguageManager.Instance.countryList == null)
             return;
 
@@ -149,12 +161,17 @@ public class SelectCountry : MonoBehaviour
 
     private void UpdateSubmitButton()
     {
+        // 确认与跳过共用位置：选中显示确认、隐藏跳过；未选中显示跳过（仅首页场景）
         if (submitButton != null)
         {
             submitButton.gameObject.SetActive(_hasSelection);
             submitButton.onClick.RemoveAllListeners();
             submitButton.onClick.AddListener(OnSubmit);
         }
+        if (skipButton != null)
+        {
+            skipButton.gameObject.SetActive(_showSkipButton && !_hasSelection);
+        }
     }
 
     private async void OnSubmit()

Assets/Scripts/UI/Pages/HomePage/HomePageCtrl.cs

@@ -81,12 +81,20 @@ namespace Kill.UI.Pages
         async Task Start()
         {
             LoadingUI.Show();
-            if(string.IsNullOrEmpty(DataManager.Instance.userInfo.country_code))
+            // 未设置国家且本机未跳过时弹出选择国家（可跳过，跳过后不再弹出）
+            if (string.IsNullOrEmpty(DataManager.Instance.userInfo.country_code)
+                && !DataManager.Instance.HasSkippedCountry())
             {
-                var page= Instantiate(selectCountryPage,transform);
+                var page = Instantiate(selectCountryPage, transform);
                 page.gameObject.SetActive(true);
-                page.Init(null,false);
+                page.Init(null, false, true);
-                page.onConfirm=(code)=>{UIManager.Instance.OpenMainPage(UIManager.PageName.homePage);};
+                page.onConfirm = (code) =>
+                {
+                    // 跳过后本机保存标记，下次进入首页不再弹出
+                    if (code == null)
+                        DataManager.Instance.SaveSkippedCountry();
+                    UIManager.Instance.OpenMainPage(UIManager.PageName.homePage);
+                };
                 LoadingUI.Hide();
                 return;
             }