fix(platform): 外观主题 - 保证经典黑白主题不可被修改或删除

web/src/lib/skin-themes.ts

@@ -336,10 +336,10 @@ export const DEFAULT_CLASSIC_SKIN: SkinDefinition = {
             info: "#2563eb",
             workspace: "#ffffff",
             workspaceGrid: "#f3f3f3",
-            adminBackground: "#f5f5f5",
+            adminBackground: "#f3f4f6",
             adminSurface: "#ffffff",
-            adminSubtle: "#f6f6f6",
-            adminStrong: "#ececec",
+            adminSubtle: "#f7f8fa",
+            adminStrong: "#eceff3",
             authBackground: "#ffffff",
             authPanel: "#f7f7f7",
             authCard: "#ffffff",
@@ -388,9 +388,9 @@ export const DEFAULT_CLASSIC_SKIN: SkinDefinition = {
             info: "#60a5fa",
             workspace: "#181818",
             workspaceGrid: "#222222",
-            adminBackground: "#0f0f0f",
+            adminBackground: "#101010",
             adminSurface: "#181818",
-            adminSubtle: "#222222",
+            adminSubtle: "#202020",
             adminStrong: "#2a2a2a",
             authBackground: "#08090c",
             authPanel: "#0b0c10",