diff --git a/astro.config.mjs b/astro.config.mjs
index 8790f65..be5d2ff 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -12,4 +12,9 @@ export default defineConfig({
   build: {
     assets: '_aiotools',
   },
+  vite: {
+    css: {
+      transformer: 'lightningcss',
+    },
+  },
 })