diff --git a/frontend/.prettierrc b/frontend/.prettierrc
new file mode 100644
index 0000000..b4bfed3
--- /dev/null
+++ b/frontend/.prettierrc
@@ -0,0 +1,3 @@
+{
+  "plugins": ["prettier-plugin-tailwindcss"]
+}
diff --git a/frontend/package.json b/frontend/package.json
index b226e31..4306df5 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -10,19 +10,21 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "next": "15.1.4",
     "react": "^19.0.0",
-    "react-dom": "^19.0.0",
-    "next": "15.1.4"
+    "react-dom": "^19.0.0"
   },
   "devDependencies": {
-    "typescript": "^5",
+    "@eslint/eslintrc": "^3",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",
-    "postcss": "^8",
-    "tailwindcss": "^3.4.1",
     "eslint": "^9",
     "eslint-config-next": "15.1.4",
-    "@eslint/eslintrc": "^3"
+    "postcss": "^8",
+    "prettier": "^3.4.2",
+    "prettier-plugin-tailwindcss": "^0.6.10",
+    "tailwindcss": "^3.4.1",
+    "typescript": "^5"
   }
 }
diff --git a/frontend/pnpm-lock.yaml b/frontend/pnpm-lock.yaml
index 209ea05..4823711 100644
--- a/frontend/pnpm-lock.yaml
+++ b/frontend/pnpm-lock.yaml
@@ -39,6 +39,12 @@ importers:
       postcss:
         specifier: ^8
         version: 8.5.1
+      prettier:
+        specifier: ^3.4.2
+        version: 3.4.2
+      prettier-plugin-tailwindcss:
+        specifier: ^0.6.10
+        version: 0.6.10(prettier@3.4.2)
       tailwindcss:
         specifier: ^3.4.1
         version: 3.4.17
@@ -1337,6 +1343,66 @@ packages:
     resolution: {integrity: sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==}
     engines: {node: '>= 0.8.0'}
 
+  prettier-plugin-tailwindcss@0.6.10:
+    resolution: {integrity: sha512-ndj2WLDaMzACnr1gAYZiZZLs5ZdOeBYgOsbBmHj3nvW/6q8h8PymsXiEnKvj/9qgCCAoHyvLOisoQdIcsDvIgw==}
+    engines: {node: '>=14.21.3'}
+    peerDependencies:
+      '@ianvs/prettier-plugin-sort-imports': '*'
+      '@prettier/plugin-pug': '*'
+      '@shopify/prettier-plugin-liquid': '*'
+      '@trivago/prettier-plugin-sort-imports': '*'
+      '@zackad/prettier-plugin-twig': '*'
+      prettier: ^3.0
+      prettier-plugin-astro: '*'
+      prettier-plugin-css-order: '*'
+      prettier-plugin-import-sort: '*'
+      prettier-plugin-jsdoc: '*'
+      prettier-plugin-marko: '*'
+      prettier-plugin-multiline-arrays: '*'
+      prettier-plugin-organize-attributes: '*'
+      prettier-plugin-organize-imports: '*'
+      prettier-plugin-sort-imports: '*'
+      prettier-plugin-style-order: '*'
+      prettier-plugin-svelte: '*'
+    peerDependenciesMeta:
+      '@ianvs/prettier-plugin-sort-imports':
+        optional: true
+      '@prettier/plugin-pug':
+        optional: true
+      '@shopify/prettier-plugin-liquid':
+        optional: true
+      '@trivago/prettier-plugin-sort-imports':
+        optional: true
+      '@zackad/prettier-plugin-twig':
+        optional: true
+      prettier-plugin-astro:
+        optional: true
+      prettier-plugin-css-order:
+        optional: true
+      prettier-plugin-import-sort:
+        optional: true
+      prettier-plugin-jsdoc:
+        optional: true
+      prettier-plugin-marko:
+        optional: true
+      prettier-plugin-multiline-arrays:
+        optional: true
+      prettier-plugin-organize-attributes:
+        optional: true
+      prettier-plugin-organize-imports:
+        optional: true
+      prettier-plugin-sort-imports:
+        optional: true
+      prettier-plugin-style-order:
+        optional: true
+      prettier-plugin-svelte:
+        optional: true
+
+  prettier@3.4.2:
+    resolution: {integrity: sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==}
+    engines: {node: '>=14'}
+    hasBin: true
+
   prop-types@15.8.1:
     resolution: {integrity: sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==}
 
@@ -3112,6 +3178,12 @@ snapshots:
 
   prelude-ls@1.2.1: {}
 
+  prettier-plugin-tailwindcss@0.6.10(prettier@3.4.2):
+    dependencies:
+      prettier: 3.4.2
+
+  prettier@3.4.2: {}
+
   prop-types@15.8.1:
     dependencies:
       loose-envify: 1.4.0
diff --git a/frontend/src/app/globals.css b/frontend/src/app/globals.css
index 6b717ad..7502d79 100644
--- a/frontend/src/app/globals.css
+++ b/frontend/src/app/globals.css
@@ -2,20 +2,6 @@
 @tailwind components;
 @tailwind utilities;
 
-:root {
-  --background: #ffffff;
-  --foreground: #171717;
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --background: #0a0a0a;
-    --foreground: #ededed;
-  }
-}
-
 body {
-  color: var(--foreground);
-  background: var(--background);
-  font-family: Arial, Helvetica, sans-serif;
+  @apply bg-white text-gray-600;
 }
diff --git a/frontend/src/app/layout.tsx b/frontend/src/app/layout.tsx
index f7fa87e..58859fb 100644
--- a/frontend/src/app/layout.tsx
+++ b/frontend/src/app/layout.tsx
@@ -1,20 +1,15 @@
 import type { Metadata } from "next";
-import { Geist, Geist_Mono } from "next/font/google";
+import { Inter } from "next/font/google";
 import "./globals.css";
+import Navbar from "@/ui/layout/navbar";
 
-const geistSans = Geist({
-  variable: "--font-geist-sans",
-  subsets: ["latin"],
-});
-
-const geistMono = Geist_Mono({
-  variable: "--font-geist-mono",
+const inter = Inter({
   subsets: ["latin"],
 });
 
 export const metadata: Metadata = {
-  title: "Create Next App",
-  description: "Generated by create next app",
+  title: "魚之魷魂 SquidSpirit",
+  description: "程式、科技、教學、分享",
 };
 
 export default function RootLayout({
@@ -24,9 +19,8 @@ export default function RootLayout({
 }>) {
   return (
     <html lang="en">
-      <body
-        className={`${geistSans.variable} ${geistMono.variable} antialiased`}
-      >
+      <body className={`${inter.className} antialiased`}>
+        <Navbar />
         {children}
       </body>
     </html>
diff --git a/frontend/src/app/page.tsx b/frontend/src/app/page.tsx
index 3eee014..66e7168 100644
--- a/frontend/src/app/page.tsx
+++ b/frontend/src/app/page.tsx
@@ -1,101 +1,5 @@
-import Image from "next/image";
-
-export default function Home() {
+export default function HomePage() {
   return (
-    <div className="grid grid-rows-[20px_1fr_20px] items-center justify-items-center min-h-screen p-8 pb-20 gap-16 sm:p-20 font-[family-name:var(--font-geist-sans)]">
-      <main className="flex flex-col gap-8 row-start-2 items-center sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={180}
-          height={38}
-          priority
-        />
-        <ol className="list-inside list-decimal text-sm text-center sm:text-left font-[family-name:var(--font-geist-mono)]">
-          <li className="mb-2">
-            Get started by editing{" "}
-            <code className="bg-black/[.05] dark:bg-white/[.06] px-1 py-0.5 rounded font-semibold">
-              src/app/page.tsx
-            </code>
-            .
-          </li>
-          <li>Save and see your changes instantly.</li>
-        </ol>
-
-        <div className="flex gap-4 items-center flex-col sm:flex-row">
-          <a
-            className="rounded-full border border-solid border-transparent transition-colors flex items-center justify-center bg-foreground text-background gap-2 hover:bg-[#383838] dark:hover:bg-[#ccc] text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5"
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className="dark:invert"
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={20}
-              height={20}
-            />
-            Deploy now
-          </a>
-          <a
-            className="rounded-full border border-solid border-black/[.08] dark:border-white/[.145] transition-colors flex items-center justify-center hover:bg-[#f2f2f2] dark:hover:bg-[#1a1a1a] hover:border-transparent text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 sm:min-w-44"
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Read our docs
-          </a>
-        </div>
-      </main>
-      <footer className="row-start-3 flex gap-6 flex-wrap items-center justify-center">
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/file.svg"
-            alt="File icon"
-            width={16}
-            height={16}
-          />
-          Learn
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/window.svg"
-            alt="Window icon"
-            width={16}
-            height={16}
-          />
-          Examples
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/globe.svg"
-            alt="Globe icon"
-            width={16}
-            height={16}
-          />
-          Go to nextjs.org →
-        </a>
-      </footer>
-    </div>
+    <div></div>
   );
 }
diff --git a/frontend/src/ui/layout/navbar.tsx b/frontend/src/ui/layout/navbar.tsx
new file mode 100644
index 0000000..b906629
--- /dev/null
+++ b/frontend/src/ui/layout/navbar.tsx
@@ -0,0 +1,34 @@
+import React from "react";
+
+type Props = {};
+
+export default function Navbar({}: Props) {
+  return (
+    <div className="border-b border-gray-300">
+      <div className="mx-auto flex h-16 max-w-screen-xl flex-row items-center justify-between px-4 md:px-6">
+        <a className="text-2xl font-black text-gray-800" href="/">
+          魚之魷魂
+        </a>
+        <div className="flex flex-row items-center gap-x-6">
+          <Action label="首頁" link="/" isSelected={true} />
+          <Action label="文章" link="/" isSelected={false} />
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function Action(props: { label: string; link: string; isSelected: boolean }) {
+  return (
+    <div
+      className={`rounded px-1.5 ${props.isSelected ? "bg-blue-600" : "bg-transparent"}`}
+    >
+      <a
+        className={`font-extrabold ${props.isSelected ? "text-white" : "text-gray-800"}`}
+        href={props.link}
+      >
+        {props.label}
+      </a>
+    </div>
+  );
+}
diff --git a/frontend/tailwind.config.ts b/frontend/tailwind.config.ts
index 109807b..85afc41 100644
--- a/frontend/tailwind.config.ts
+++ b/frontend/tailwind.config.ts
@@ -2,16 +2,12 @@ import type { Config } from "tailwindcss";
 
 export default {
   content: [
-    "./src/pages/**/*.{js,ts,jsx,tsx,mdx}",
-    "./src/components/**/*.{js,ts,jsx,tsx,mdx}",
+    "./src/ui/**/*.{js,ts,jsx,tsx,mdx}",
     "./src/app/**/*.{js,ts,jsx,tsx,mdx}",
   ],
   theme: {
     extend: {
-      colors: {
-        background: "var(--background)",
-        foreground: "var(--foreground)",
-      },
+
     },
   },
   plugins: [],