refactor(config,map): 统一抽离卡片背景颜色配置

将多处硬编码的卡片等级背景颜色数组移至公共配置文件，
同时重构英雄列表组件的等级显示逻辑，替换为标签直接赋值。

assets/script/game/map/HerosListComp.ts

@@ -24,10 +24,8 @@ import { oops } from "db://oops-framework/core/Oops";
 import { mLogger } from "../common/Logger";
 import { HeroInfo, HeroList } from "../common/config/heroSet";
 import { buildSkillDesc } from "../common/config/HeroSkillDesc";
-import { CKind } from "../common/config/CardSet";
 import { GameEvent } from "../common/config/GameEvent";
-import { HERO_UPGRADE_NEED_FRAGMENTS } from "../common/config/GameSet";
-import { CardBgComp } from "./CardBgComp";
+import { HERO_UPGRADE_NEED_FRAGMENTS, CARD_LV_BG_COLORS } from "../common/config/GameSet";
 import { CardLiteComp } from "./CardLiteComp";
 import { ChipComp } from "./ChipComp";
 import { smc } from "../common/SingletonModuleComp";
@@ -70,8 +68,9 @@ export class HerosListComp extends CCComp {
     @property(Prefab)
     card_lite_prefab = null!
 
-    @property(Node)
-    lv_node = null!
+    /** 卡池等级 Label，直接显示 lv.X */
+    @property(Label)
+    lv_label = null!
 
     @property(Node)
     type_node = null!
@@ -270,14 +269,13 @@ export class HerosListComp extends CCComp {
         this.updateGrowthPanel(uuid)
     }
 
-    private updatePoolLvBg(poolLv: number) {
+    private updatePoolLvBg(card_lv: number) {
         if (!this.BG_node) return
-        const kindName = CKind[CKind.Hero];
+        // BG_node 下直接放置颜色节点（green/blue/purple/yellow/red），按卡池等级激活对应颜色
+        const color = CARD_LV_BG_COLORS[Math.min(card_lv, 5) - 1]
         this.BG_node.children.forEach(child => {
-            child.active = (child.name === kindName);
-            const bg = child.getComponent(CardBgComp);
-            if (bg) child.active ? bg.apply(poolLv) : bg.clear();
-        });
+            child.active = (child.name === color)
+        })
     }
 
     private updateCdDisplay(hero: typeof HeroInfo[number]) {
@@ -291,20 +289,8 @@ export class HerosListComp extends CCComp {
     }
 
     private updateLvDisplay(hero: typeof HeroInfo[number]) {
-        if (!this.lv_node) return
-        const cardLvStr = `lv${hero.card_lv ?? 1}`
-        this.lv_node.active = true
-        this.lv_node.children.forEach(child => {
-           
-            child.active = (child.name === cardLvStr)
-            
-        })
-        const widget = this.lv_node.getComponent(Widget)
-        if (widget) widget.updateAlignment()
-        this.lv_node.children.forEach(child => {
-            const childWidget = child.getComponent(Widget)
-            if (childWidget) childWidget.updateAlignment()
-        })
+        if (!this.lv_label) return
+        this.lv_label.string = `lv.${hero.card_lv ?? 1}`
     }
 
     private updateTypeDisplay(hero: typeof HeroInfo[number]) {