```

feat(material): 更新CoreBattleGround材质配置

- 添加_GLOSSYREFLECTIONS_OFF和_SPECULARHIGHLIGHTS_OFF关键词
- 设置主纹理为GUID edcec6e752f2140ef804a6b0738f4f54的资源
- 调整光泽度从0.5到0.325，关闭光泽反射
- 关闭高光反射效果
- 将材质颜色从(0.32, 0.42, 0.38)改为白色(1, 1, 1)
```

Assets/Materials/CoreBattleGround.mat

@@ -11,7 +11,9 @@ Material:
   m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
   m_Parent: {fileID: 0}
   m_ModifiedSerializedProperties: 0
-  m_ValidKeywords: []
+  m_ValidKeywords:
+  - _GLOSSYREFLECTIONS_OFF
+  - _SPECULARHIGHLIGHTS_OFF
   m_InvalidKeywords: []
   m_LightmapFlags: 4
   m_EnableInstancingVariants: 0
@@ -44,7 +46,7 @@ Material:
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _MainTex:
-        m_Texture: {fileID: 0}
+        m_Texture: {fileID: 2800000, guid: edcec6e752f2140ef804a6b0738f4f54, type: 3}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _MetallicGlossMap:
@@ -66,18 +68,18 @@ Material:
     - _DetailNormalMapScale: 1
     - _DstBlend: 0
     - _GlossMapScale: 1
-    - _Glossiness: 0.5
-    - _GlossyReflections: 1
+    - _Glossiness: 0.325
+    - _GlossyReflections: 0
     - _Metallic: 0
     - _Mode: 0
     - _OcclusionStrength: 1
     - _Parallax: 0.02
     - _SmoothnessTextureChannel: 0
-    - _SpecularHighlights: 1
+    - _SpecularHighlights: 0
     - _SrcBlend: 1
     - _UVSec: 0
     - _ZWrite: 1
     m_Colors:
-    - _Color: {r: 0.32, g: 0.42, b: 0.38, a: 1}
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
   m_BuildTextureStacks: []