fix(ui): 动态调整信息框时同步更新名称位置

修复当信息框内容行数变化时，名称标签位置未同步调整的问题。新增 updateNamePosition 方法，根据显示行数动态计算名称的垂直位置，确保视觉布局的一致性。

assets/script/game/map/IBoxComp.ts

@@ -21,6 +21,8 @@ export class IBoxComp extends CCComp {
     Line5: Node = null!
     private readonly baseHeight: number = 100;
     private readonly extraLineHeight: number = 50;
+    private readonly nameBaseY: number = 50;
+    private readonly nameExtraLineOffsetY: number = 25;
 
     onAdded(args: {
         heroUuid?: number;
@@ -91,6 +93,7 @@ export class IBoxComp extends CCComp {
         }
         const targetHeight = this.baseHeight + Math.max(0, showCount - 1) * this.extraLineHeight;
         this.updateIBoxHeight(targetHeight);
+        this.updateNamePosition(showCount);
     }
 
     private updateIBoxHeight(height: number) {
@@ -111,6 +114,15 @@ export class IBoxComp extends CCComp {
         }
     }
 
+    private updateNamePosition(showCount: number) {
+        const bgNode = this.node.getChildByName("Bg");
+        const nameNode = bgNode?.getChildByName("name");
+        if (!nameNode) return;
+        const targetY = this.nameBaseY + Math.max(0, showCount - 1) * this.nameExtraLineOffsetY;
+        const current = nameNode.position;
+        nameNode.setPosition(current.x, targetY, current.z);
+    }
+
     private updateLineTypeIcon(line: Node, iType?: IType) {
         const meleeNode = line.getChildByName("Melee");
         const remoteNode = line.getChildByName("remote");