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/ChipComp.ts

@@ -15,12 +15,10 @@ import { _decorator, Animation, AnimationClip, Node, Sprite, Vec3, resources } f
 import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
 import { CCComp } from "../../../../extensions/oops-plugin-framework/assets/module/common/CCComp";
 import { HeroInfo } from "../common/config/heroSet";
+import { CARD_LV_BG_COLORS } from "../common/config/GameSet";
 
 const { ccclass, property } = _decorator;
 
-/** card_lv → BG_node 子节点（颜色）名映射：1=green 2=blue 3=purple 4=yellow 5=red */
-const BG_COLORS = ["green", "blue", "purple", "yellow", "red"];
-
 /**
  * ChipComp —— 单张英雄卡图标/背景视图组件
  *
@@ -58,7 +56,7 @@ export class ChipComp extends CCComp {
 
         // 背景：按 card_lv 切换颜色底框（green/blue/purple/yellow/red）
         if (this.BG_node) {
-            const color = BG_COLORS[Math.min(Math.max(hero.card_lv ?? 1, 1), 5) - 1];
+            const color = CARD_LV_BG_COLORS[Math.min(Math.max(hero.card_lv ?? 1, 1), 5) - 1];
             this.BG_node.children.forEach(child => child.active = (child.name === color));
         }