fix: 调整英雄升级概率和UI边框值

- 降低英雄升2级的基础概率和每级增长概率，以平衡游戏难度
- 修正两个UI元素的边框值，确保显示效果正确

assets/resources/gui/ui3.plist.meta

@@ -1818,10 +1818,10 @@
         "height": 63,
         "rawWidth": 56,
         "rawHeight": 63,
-        "borderTop": 0,
-        "borderBottom": 0,
-        "borderLeft": 0,
-        "borderRight": 0,
+        "borderTop": 31,
+        "borderBottom": 31,
+        "borderLeft": 27,
+        "borderRight": 29,
         "packable": true,
         "pixelsToUnit": 100,
         "pivotX": 0.5,
@@ -1866,8 +1866,8 @@
         "rawHeight": 189,
         "borderTop": 0,
         "borderBottom": 0,
-        "borderLeft": 0,
-        "borderRight": 0,
+        "borderLeft": 24,
+        "borderRight": 23,
         "packable": true,
         "pixelsToUnit": 100,
         "pivotX": 0.5,

assets/script/game/common/config/CardSet.ts

@@ -55,8 +55,8 @@ export const CARD_POOL_MAX_LEVEL = CardLV.LV5
 /** 英雄最高等级限制 */
 export const CARD_HERO_MAX_LEVEL = 3
 /** 基础卡池（英雄、技能、功能） */
-export const HERO_LV2_INIT_PROB = 0.1
-export const HERO_LV2_PROB_INC_PER_LV = 0.05
+export const HERO_LV2_INIT_PROB = 0.05
+export const HERO_LV2_PROB_INC_PER_LV = 0.01
 
 export const CardPoolList: CardConfig[] = [
     { uuid: 5001, type: CardType.Hero, cost: 3, weight: 25, pool_lv: 1, kind: CKind.Hero, hero_lv: 1 },