fix: postcss

rsbuild.config.ts

@@ -1,7 +1,7 @@
 import { defineConfig } from '@rsbuild/core';
 import { pluginBabel } from '@rsbuild/plugin-babel';
 import { pluginSolid } from '@rsbuild/plugin-solid';
-import tailwindcss from '@tailwindcss/vite';
+import tailwindcss from '@tailwindcss/postcss';
 
 export default defineConfig({
   plugins: [
@@ -11,10 +11,10 @@ export default defineConfig({
     pluginSolid(),
   ],
   tools: {
-    vite: {
-      plugins: [
-        tailwindcss(),
-      ],
+    postcss: {
+      postcssOptions: {
+        plugins: [tailwindcss()],
+      },
     },
   },
   html: {