refactor(CardComp): 重构卡牌背景与边框渲染逻辑

1. 移除废弃的oinfo_node、NF_node、HF_node、pool_lv_node等节点属性
2. 简化卡牌背景层级渲染，按卡池等级自动匹配对应颜色边框
3. 清理冗余的尺寸对齐更新代码
4. 统一重置卡牌节点状态的逻辑

assets/resources/gui/element/cardbg.prefab.meta

@@ -0,0 +1,13 @@
+{
+  "ver": "1.1.50",
+  "importer": "prefab",
+  "imported": true,
+  "uuid": "d6ae7b2b-c431-4374-97e6-2506d9e8501f",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {
+    "syncNodeName": "cardbg"
+  }
+}