fix(hero view): adjust血条顶部节点偏移量

统一配置血条顶部节点的Y轴偏移参数，区分普通英雄和Boss的血条高度，替换硬编码数值

assets/script/game/hero/HeroViewComp.ts

@@ -35,6 +35,8 @@ export class HeroViewComp extends CCComp {
     realDeadTime:number=0.1
     deadCD:number=0
     monDeadTime:number=0.1
+    hp_height:number=70
+    boss_hp_height:number=120
     // 血条显示相关
     lastBarUpdateTime:number = 0;  // 最后一次血条/蓝条/护盾更新时间
     // ==================== UI 节点引用 ====================
@@ -114,8 +116,8 @@ export class HeroViewComp extends CCComp {
     private initUINodes() {
         this.top_node = this.node.getChildByName("top");
         this.topOpacity = this.top_node.getComponent(UIOpacity) || this.top_node.addComponent(UIOpacity);
-        this.top_node.setPosition(0, 80, 0);
-        if(this.model.is_boss)   this.top_node.setPosition(0, 105, 0);
+        this.top_node.setPosition(0, this.hp_height, 0);
+        if(this.model.is_boss)   this.top_node.setPosition(0, this.boss_hp_height, 0);
         this.topBasePos = this.top_node.position.clone();
         const hpNode = this.top_node.getChildByName("hp");
         if(this.model.fac==FacSet.HERO){