diff --git a/static/src/components/chat/actions/ToolAction.vue b/static/src/components/chat/actions/ToolAction.vue
index 7caaee7..5f36480 100644
--- a/static/src/components/chat/actions/ToolAction.vue
+++ b/static/src/components/chat/actions/ToolAction.vue
@@ -927,6 +927,22 @@ function renderEasterEgg(result: any, args: any): string {
   word-wrap: break-word;
 }
 
+/* 暗色模式：run_python 代码/输出统一白字，去除任何描边/阴影观感 */
+:root[data-theme='dark'] .code-block pre,
+:root[data-theme='dark'] .output-block pre {
+  color: #ffffff !important;
+  background: rgba(255, 255, 255, 0.04);
+  border-color: rgba(255, 255, 255, 0.12);
+  text-shadow: none !important;
+}
+
+:root[data-theme='dark'] .code-block pre code,
+:root[data-theme='dark'] .output-block pre code {
+  color: #ffffff !important;
+  text-shadow: none !important;
+  -webkit-text-fill-color: #ffffff;
+}
+
 .output-block {
   margin-top: 12px;
 }