fix(ui): 修复卡片名称等级显示格式错误

- 英雄卡等级现在使用星号后缀表示（例如 "★" 表示二级）
- 特殊卡等级现在使用加号后缀表示（例如 "+" 表示二级）
- 统一处理等级下限为1，避免显示异常

assets/script/game/map/CardComp.ts

@@ -405,7 +405,8 @@ export class CardComp extends CCComp {
         if(this.card_type===CardType.Hero){
             const hero = HeroInfo[this.card_uuid];
             const heroLv = Math.max(1, Math.floor(this.cardData.hero_lv ?? hero?.lv ?? 1));
-            this.setLabel(this.name_node, `${hero?.name || ""}Lv.${heroLv}`);
+            const suffix = heroLv >= 2 ? "★".repeat(heroLv - 1) : "";
+            this.setLabel(this.name_node, `${suffix}${hero?.name || ""}${suffix}`);
             this.info_node.active = true;
             this.oinfo_node.active = false;
             this.info_node.getChildByName("ap").getChildByName("val").getComponent(Label).string = `${(hero?.ap ?? 0) * heroLv}`;
@@ -414,7 +415,9 @@ export class CardComp extends CCComp {
             const specialCard = this.card_type === CardType.SpecialUpgrade
                 ? SpecialUpgradeCardList[this.card_uuid]
                 : SpecialRefreshCardList[this.card_uuid];
-            this.setLabel(this.name_node, `${specialCard?.name || ""}Lv.${this.cardData.pool_lv}`);
+            const poolLv = Math.max(1, Math.floor(this.cardData.pool_lv ?? 1));
+            const spSuffix = poolLv >= 2 ? "+".repeat(poolLv - 1) : "";
+            this.setLabel(this.name_node, `${specialCard?.name || ""}${spSuffix}`);
             this.info_node.active = false;
             this.oinfo_node.active = true;
             this.oinfo_node.getChildByName("info").getComponent(Label).string = `${specialCard?.info || ""}`;