diff --git a/apps/web-antdv-next/src/adapter/component/index.ts b/apps/web-antdv-next/src/adapter/component/index.ts
index 4a505fdb..ac3ac5f6 100644
--- a/apps/web-antdv-next/src/adapter/component/index.ts
+++ b/apps/web-antdv-next/src/adapter/component/index.ts
@@ -726,9 +726,7 @@ async function initComponentAdapter() {
       modelValueProp: 'value',
     }),
     Input: withDefaultPlaceholder(Input, 'input'),
-    InputNumber: withDefaultPlaceholder(InputNumber, 'input', {
-      style: { width: '100%' },
-    }),
+    InputNumber: withDefaultPlaceholder(InputNumber, 'input'),
     InputPassword: withDefaultPlaceholder(InputPassword, 'input'),
     Mentions: withDefaultPlaceholder(Mentions, 'input'),
     // 自定义主要按钮
diff --git a/apps/web-antdv-next/src/app.vue b/apps/web-antdv-next/src/app.vue
index 518f5068..46366e91 100644
--- a/apps/web-antdv-next/src/app.vue
+++ b/apps/web-antdv-next/src/app.vue
@@ -4,7 +4,7 @@ import { computed, watch } from 'vue';
 import { useAntdDesignTokens } from '@vben/hooks';
 import { preferences, usePreferences } from '@vben/preferences';
 
-import { App, ConfigProvider, theme } from 'antdv-next';
+import { App, ConfigProvider, StyleProvider, theme } from 'antdv-next';
 
 import { antdLocale } from '#/locales';
 
@@ -39,9 +39,12 @@ watch(
 </script>
 
 <template>
-  <ConfigProvider :locale="antdLocale" :theme="tokenTheme">
-    <App>
-      <RouterView />
-    </App>
-  </ConfigProvider>
+  <!-- layer: antd 组件样式注入 @layer antd，让 Tailwind 工具类可以覆盖组件样式 -->
+  <StyleProvider layer>
+    <ConfigProvider :locale="antdLocale" :theme="tokenTheme">
+      <App>
+        <RouterView />
+      </App>
+    </ConfigProvider>
+  </StyleProvider>
 </template>
diff --git a/apps/web-ele/src/adapter/component/index.ts b/apps/web-ele/src/adapter/component/index.ts
index 28d87c56..d4ba55c1 100644
--- a/apps/web-ele/src/adapter/component/index.ts
+++ b/apps/web-ele/src/adapter/component/index.ts
@@ -284,9 +284,7 @@ async function initComponentAdapter() {
       inputComponent: ElInput,
     }),
     Input: withDefaultPlaceholder(ElInput, 'input'),
-    InputNumber: withDefaultPlaceholder(ElInputNumber, 'input', {
-      style: { width: '100%' },
-    }),
+    InputNumber: withDefaultPlaceholder(ElInputNumber, 'input'),
     RadioGroup: (props, { attrs, slots }) => {
       let defaultSlot;
       if (Reflect.has(slots, 'default')) {
diff --git a/apps/web-ele/vite.config.ts b/apps/web-ele/vite.config.ts
index 9f1e7235..c50186cc 100644
--- a/apps/web-ele/vite.config.ts
+++ b/apps/web-ele/vite.config.ts
@@ -1,4 +1,4 @@
-import { defineConfig } from '@vben/vite-config';
+import { defineConfig, viteCssLayerPlugin } from '@vben/vite-config';
 
 import ElementPlus from 'unplugin-element-plus/vite';
 
@@ -7,9 +7,9 @@ export default defineConfig(async () => {
     application: {},
     vite: {
       plugins: [
-        ElementPlus({
-          format: 'esm',
-        }),
+        // element-plus 的 css 包进 @layer el，使 Tailwind 工具类可覆盖组件样式
+        viteCssLayerPlugin({ layerName: 'el', packageName: 'element-plus' }),
+        ElementPlus({ format: 'esm' }),
       ],
       server: {
         proxy: {
diff --git a/apps/web-naive/src/adapter/component/index.ts b/apps/web-naive/src/adapter/component/index.ts
index 9ee677f8..98601656 100644
--- a/apps/web-naive/src/adapter/component/index.ts
+++ b/apps/web-naive/src/adapter/component/index.ts
@@ -225,9 +225,7 @@ async function initComponentAdapter() {
       inputComponent: NInput,
     }),
     Input: withDefaultPlaceholder(NInput, 'input'),
-    InputNumber: withDefaultPlaceholder(NInputNumber, 'input', {
-      style: { width: '100%' },
-    }),
+    InputNumber: withDefaultPlaceholder(NInputNumber, 'input'),
     RadioGroup: (props, { attrs, slots }) => {
       let defaultSlot;
       if (Reflect.has(slots, 'default')) {
diff --git a/apps/web-tdesign/src/adapter/component/index.ts b/apps/web-tdesign/src/adapter/component/index.ts
index 37a3055e..c2f9634d 100644
--- a/apps/web-tdesign/src/adapter/component/index.ts
+++ b/apps/web-tdesign/src/adapter/component/index.ts
@@ -239,9 +239,7 @@ async function initComponentAdapter() {
       modelValueProp: 'value',
     }),
     Input: withDefaultPlaceholder(Input, 'input'),
-    InputNumber: withDefaultPlaceholder(InputNumber, 'input', {
-      style: { width: '100%' },
-    }),
+    InputNumber: withDefaultPlaceholder(InputNumber, 'input'),
     // InputPassword: withDefaultPlaceholder(InputPassword, 'input'),
     // Mentions: withDefaultPlaceholder(Mentions, 'input'),
     // 自定义主要按钮
diff --git a/apps/web-tdesign/vite.config.ts b/apps/web-tdesign/vite.config.ts
index b6360f1d..c79ec9a4 100644
--- a/apps/web-tdesign/vite.config.ts
+++ b/apps/web-tdesign/vite.config.ts
@@ -1,9 +1,16 @@
-import { defineConfig } from '@vben/vite-config';
+import { defineConfig, viteCssLayerPlugin } from '@vben/vite-config';
 
 export default defineConfig(async () => {
   return {
     application: {},
     vite: {
+      plugins: [
+        // tdesign 的 css 包进 @layer td，使 Tailwind 工具类可覆盖组件样式
+        viteCssLayerPlugin({
+          layerName: 'td',
+          packageName: 'tdesign-vue-next',
+        }),
+      ],
       server: {
         proxy: {
           '/api': {
diff --git a/internal/tailwind-config/src/theme.css b/internal/tailwind-config/src/theme.css
index 076c1cfb..2bf31bbe 100644
--- a/internal/tailwind-config/src/theme.css
+++ b/internal/tailwind-config/src/theme.css
@@ -1,3 +1,12 @@
+/*
+ * 级联层顺序声明（必须先于 @import 'tailwindcss' 首次出现）：
+ * preflight(base) < UI 库组件样式(antd / el / td) < Tailwind 工具类，
+ * 使组件库样式（antdv-next 经 StyleProvider layer 注入 @layer antd；
+ * element-plus / tdesign 经各自应用的 vite css-layer 插件包入对应层）
+ * 能被工具类覆盖
+ */
+@layer theme, base, ant, antd, el, td, components, utilities;
+
 @import 'tailwindcss';
 @import 'tw-animate-css';
 
@@ -301,7 +310,7 @@
   }
 
   html {
-    @apply text-foreground bg-background font-sans;
+    @apply bg-background font-sans text-foreground;
 
     scroll-behavior: smooth;
     font-size: var(--font-size-base, 16px);
@@ -369,7 +378,7 @@
     }
 
     ::-webkit-scrollbar-thumb {
-      @apply bg-border rounded-sm border-none;
+      @apply rounded-sm border-none bg-border;
     }
 
     ::-webkit-scrollbar-track {
@@ -407,7 +416,7 @@
  * 见：https://tailwindcss.com/docs/adding-custom-styles#using-css-and-layering */
 @layer components {
   .outline-box {
-    @apply outline-border relative cursor-pointer rounded-md p-1 outline-1;
+    @apply relative cursor-pointer rounded-md p-1 outline-1 outline-border;
   }
 
   .outline-box::after {
@@ -415,7 +424,7 @@
   }
 
   .outline-box.outline-box-active {
-    @apply outline-primary outline-2;
+    @apply outline-2 outline-primary;
   }
 
   .outline-box.outline-box-active::after {
@@ -423,15 +432,15 @@
   }
 
   .outline-box:not(.outline-box-active):hover::after {
-    @apply outline-primary top-0 left-0 h-full w-full p-1 opacity-100;
+    @apply top-0 left-0 h-full w-full p-1 opacity-100 outline-primary;
   }
 
   .vben-link {
-    @apply text-primary hover:text-primary-hover active:text-primary-active cursor-pointer;
+    @apply cursor-pointer text-primary hover:text-primary-hover active:text-primary-active;
   }
 
   .card-box {
-    @apply bg-card text-card-foreground border-border rounded-xl border;
+    @apply rounded-xl border border-border bg-card text-card-foreground;
   }
 }
 
diff --git a/internal/vite-config/src/plugins/css-layer.ts b/internal/vite-config/src/plugins/css-layer.ts
new file mode 100644
index 00000000..d12e60cb
--- /dev/null
+++ b/internal/vite-config/src/plugins/css-layer.ts
@@ -0,0 +1,45 @@
+import type { Plugin } from 'vite';
+
+interface CssLayerRule {
+  /** 层名，需在 css 中先于 @import 'tailwindcss' 声明层顺序（见 internal/tailwind-config/theme.css） */
+  layerName: string;
+  /** 需要包层的包名（匹配该包在 node_modules 下的 css 模块 id） */
+  packageName: string;
+}
+
+function escapeRegExp(value: string): string {
+  return value.replaceAll(/[.*+?^${}()|[\]\\]/g, String.raw`\$&`);
+}
+
+/**
+ * 把指定包内的 css 包进 @layer：
+ * 组件库的 css 是无层样式，无层样式在级联中永远压过 @layer 内的 Tailwind 工具类；
+ * 包层后由 theme.css 的层声明决定顺序（utilities 排在组件库层之后），
+ * 使 Tailwind 工具类可以覆盖组件库样式。
+ *
+ * @example
+ * ```ts
+ * plugins: [viteCssLayerPlugin({ packageName: 'element-plus', layerName: 'el' })]
+ * ```
+ */
+export function viteCssLayerPlugin(
+  rules: CssLayerRule | CssLayerRule[],
+): Plugin {
+  const list = Array.isArray(rules) ? rules : [rules];
+  const matchers = list.map(({ layerName, packageName }) => ({
+    layerName,
+    regex: new RegExp(`${escapeRegExp(packageName)}[\\\\/].+\\.css$`, 'i'),
+  }));
+  return {
+    name: 'vite-plugin-css-layer',
+    enforce: 'pre',
+    transform(code, id) {
+      const [file] = id.split('?', 1);
+      if (!file) return;
+      const matched = matchers.find((m) => m.regex.test(file));
+      if (matched) {
+        return { code: `@layer ${matched.layerName} {\n${code}\n}`, map: null };
+      }
+    },
+  };
+}
diff --git a/internal/vite-config/src/plugins/index.ts b/internal/vite-config/src/plugins/index.ts
index 7488ab32..f7bdfd28 100644
--- a/internal/vite-config/src/plugins/index.ts
+++ b/internal/vite-config/src/plugins/index.ts
@@ -248,6 +248,8 @@ async function loadLibraryPlugins(
   ]);
 }
 
+export { viteCssLayerPlugin } from './css-layer';
+
 export {
   loadApplicationPlugins,
   loadLibraryPlugins,
diff --git a/playground/src/adapter/component/index.ts b/playground/src/adapter/component/index.ts
index 9a975a2d..bd41e361 100644
--- a/playground/src/adapter/component/index.ts
+++ b/playground/src/adapter/component/index.ts
@@ -726,9 +726,7 @@ async function initComponentAdapter() {
       modelValueProp: 'value',
     }),
     Input: withDefaultPlaceholder(Input, 'input'),
-    InputNumber: withDefaultPlaceholder(InputNumber, 'input', {
-      style: { width: '100%' },
-    }),
+    InputNumber: withDefaultPlaceholder(InputNumber, 'input'),
     InputPassword: withDefaultPlaceholder(InputPassword, 'input'),
     Mentions: withDefaultPlaceholder(Mentions, 'input'),
     // 自定义主要按钮
diff --git a/playground/src/app.vue b/playground/src/app.vue
index 518f5068..46366e91 100644
--- a/playground/src/app.vue
+++ b/playground/src/app.vue
@@ -4,7 +4,7 @@ import { computed, watch } from 'vue';
 import { useAntdDesignTokens } from '@vben/hooks';
 import { preferences, usePreferences } from '@vben/preferences';
 
-import { App, ConfigProvider, theme } from 'antdv-next';
+import { App, ConfigProvider, StyleProvider, theme } from 'antdv-next';
 
 import { antdLocale } from '#/locales';
 
@@ -39,9 +39,12 @@ watch(
 </script>
 
 <template>
-  <ConfigProvider :locale="antdLocale" :theme="tokenTheme">
-    <App>
-      <RouterView />
-    </App>
-  </ConfigProvider>
+  <!-- layer: antd 组件样式注入 @layer antd，让 Tailwind 工具类可以覆盖组件样式 -->
+  <StyleProvider layer>
+    <ConfigProvider :locale="antdLocale" :theme="tokenTheme">
+      <App>
+        <RouterView />
+      </App>
+    </ConfigProvider>
+  </StyleProvider>
 </template>