diff --git a/electron/main/backend/install-manager.ts b/electron/main/backend/install-manager.ts
index 0feb54f2..ecfdf8b5 100644
--- a/electron/main/backend/install-manager.ts
+++ b/electron/main/backend/install-manager.ts
@@ -251,8 +251,7 @@ ipcMain.on("queue-install", async (event, download_json) => {
           type: "info",
           title: "APM 安装成功",
           message: "恭喜您，APM 已成功安装",
-          detail:
-            "APM 应用需重启后方可展示和使用，若完成安装后无法在应用列表中展示，请重启电脑后继续。",
+          detail: "APM 应用需重启后方可展示和使用，若完成安装后无法在应用列表中展示，请重启电脑后继续。",
           buttons: ["确定"],
           defaultId: 0,
         });
@@ -671,6 +670,7 @@ ipcMain.handle("list-upgradable", async () => {
   return { success: true, apps };
 });
 
+
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 ipcMain.handle("uninstall-installed", async (_event, payload: any) => {
   const pkgname = typeof payload === "string" ? payload : payload.pkgname;
diff --git a/electron/main/backend/telemetry.ts b/electron/main/backend/telemetry.ts
index 587e6f9e..f901f4e5 100644
--- a/electron/main/backend/telemetry.ts
+++ b/electron/main/backend/telemetry.ts
@@ -136,4 +136,4 @@ export function sendTelemetryOnce(storeVersion: string): void {
     .catch((err) => {
       logger.warn({ err }, "Telemetry request failed");
     });
-}
+}
\ No newline at end of file
diff --git a/electron/main/index.ts b/electron/main/index.ts
index 5de9aab7..1c83c533 100644
--- a/electron/main/index.ts
+++ b/electron/main/index.ts
@@ -64,7 +64,6 @@ if (!app.requestSingleInstanceLock()) {
 let win: BrowserWindow | null = null;
 const preload = path.join(__dirname, "../preload/index.mjs");
 const indexHtml = path.join(RENDERER_DIST, "index.html");
-
 /** 与项目 package.json 一致的版本号：打包用 app.getVersion()，未打包时读 package.json */
 function getAppVersion(): string {
   if (app.isPackaged) return app.getVersion();
@@ -95,8 +94,10 @@ function getStoreFilterFromArgv(): "spark" | "apm" | "both" {
   return "both";
 }
 
+
 ipcMain.handle("get-store-filter", (): "spark" | "apm" | "both" =>
   getStoreFilterFromArgv(),
+
 );
 
 async function createWindow() {
@@ -212,7 +213,7 @@ app.whenReady().then(() => {
   });
   createWindow();
   handleCommandLine(process.argv);
-  // 启动后执行一次遥测（仅 Linux，不阻塞）
+    // 启动后执行一次遥测（仅 Linux，不阻塞）
   sendTelemetryOnce(getAppVersion());
 });
 
@@ -273,6 +274,7 @@ function getTrayIconPath(): string | null {
 const FALLBACK_TRAY_PNG =
   "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAHklEQVQ4T2NkYGD4z0ABYBwNwMAwGoChNQAAAABJRU5ErkJggg==";
 
+
 function getTrayImage():
   | string
   | ReturnType<typeof nativeImage.createFromDataURL> {
diff --git a/index.html b/index.html
index a1631fa7..94d80841 100644
--- a/index.html
+++ b/index.html
@@ -4,9 +4,6 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/spark-store.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="preconnect" href="https://fonts.googleapis.com" />
-    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
-    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap" rel="stylesheet" />
     <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" />
     <title>星火应用商店</title>
   </head>
diff --git a/src/App.vue b/src/App.vue
index a52dfb82..0555d3bd 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,21 +1,16 @@
 <template>
   <div
-    class="flex min-h-screen flex-col text-slate-900 transition-colors duration-300 dark:text-slate-100 lg:flex-row bg-[#f8fafc] dark:bg-[#0f172a]"
+    class="flex min-h-screen flex-col bg-slate-50 text-slate-900 transition-colors duration-300 dark:bg-slate-950 dark:text-slate-100 lg:flex-row"
   >
-    <!-- 背景装饰：浅色下为极淡渐变，深色下为 subtle grain -->
-    <div
-      class="pointer-events-none fixed inset-0 z-0 bg-gradient-to-br from-slate-50/80 via-transparent to-brand/[0.02] dark:from-slate-950/50 dark:to-transparent"
-      aria-hidden="true"
-    />
     <!-- 移动端侧边栏遮罩 -->
     <div
       v-if="isSidebarOpen"
-      class="fixed inset-0 z-40 bg-slate-900/30 backdrop-blur-md lg:hidden transition-opacity"
+      class="fixed inset-0 z-40 bg-black/20 backdrop-blur-sm lg:hidden"
       @click="isSidebarOpen = false"
-    />
+    ></div>
 
     <aside
-      class="fixed inset-y-0 left-0 z-50 w-72 transform border-r border-slate-200/60 bg-white/90 px-5 py-6 shadow-xl shadow-slate-200/20 backdrop-blur-xl transition-transform duration-300 ease-out dark:border-slate-800/50 dark:bg-slate-900/95 dark:shadow-none lg:sticky lg:top-0 lg:flex lg:h-screen lg:translate-x-0 lg:flex-col lg:border-b-0 lg:shadow-none"
+      class="fixed inset-y-0 left-0 z-50 w-72 transform border-r border-slate-200/70 bg-white/95 px-5 py-6 backdrop-blur transition-transform duration-300 ease-in-out dark:border-slate-800/70 dark:bg-slate-900 lg:sticky lg:top-0 lg:flex lg:h-screen lg:translate-x-0 lg:flex-col lg:border-b-0"
       :class="
         isSidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'
       "
@@ -31,7 +26,7 @@
       />
     </aside>
 
-    <main class="relative z-10 flex-1 px-4 py-6 lg:px-10">
+    <main class="flex-1 px-4 py-6 lg:px-10">
       <AppHeader
         :search-query="searchQuery"
         :active-category="activeCategory"
@@ -400,16 +395,16 @@ const openDetail = async (app: App | Record<string, unknown>) => {
   if (fullApp.isMerged && (fullApp.sparkApp || fullApp.apmApp)) {
     const [sparkInstalled, apmInstalled] = await Promise.all([
       fullApp.sparkApp
-        ? (window.ipcRenderer.invoke("check-installed", {
+        ? window.ipcRenderer.invoke("check-installed", {
             pkgname: fullApp.sparkApp.pkgname,
             origin: "spark",
-          }) as Promise<boolean>)
+          }) as Promise<boolean>
         : Promise.resolve(false),
       fullApp.apmApp
-        ? (window.ipcRenderer.invoke("check-installed", {
+        ? window.ipcRenderer.invoke("check-installed", {
             pkgname: fullApp.apmApp.pkgname,
             origin: "apm",
-          }) as Promise<boolean>)
+          }) as Promise<boolean>
         : Promise.resolve(false),
     ]);
     if (sparkInstalled && !apmInstalled) {
@@ -422,9 +417,9 @@ const openDetail = async (app: App | Record<string, unknown>) => {
 
   const displayAppForScreenshots =
     fullApp.viewingOrigin !== undefined && fullApp.isMerged
-      ? ((fullApp.viewingOrigin === "spark"
+      ? (fullApp.viewingOrigin === "spark"
           ? fullApp.sparkApp
-          : fullApp.apmApp) ?? fullApp)
+          : fullApp.apmApp) ?? fullApp
       : fullApp;
 
   currentApp.value = fullApp;
diff --git a/src/assets/css/appstyle.css b/src/assets/css/appstyle.css
index d13917f1..59e4e570 100644
--- a/src/assets/css/appstyle.css
+++ b/src/assets/css/appstyle.css
@@ -1,25 +1,22 @@
 @import "tailwindcss";
 
 @theme {
-  --font-sans: "Plus Jakarta Sans", "Inter", "system-ui", "-apple-system", "Segoe UI", "sans-serif";
+  --font-sans: "Inter", "system-ui", "-apple-system", "Segoe UI", "sans-serif";
 
   --color-brand: #2563eb;
   --color-brand-dark: #1d4ed8;
   --color-brand-soft: #60a5fa;
 
-  --color-surface-light: #f1f5f9;
-  --color-surface-dark: #0f172a;
+  --color-surface-light: #f5f7fb;
+  --color-surface-dark: #0b1220;
 
   --color-card-light: #ffffff;
-  --color-card-dark: #1e293b;
+  --color-card-dark: #151c2c;
 
-  --shadow-glass: 0 4px 24px rgba(15, 23, 42, 0.06);
-  --shadow-glassDark: 0 24px 48px rgba(0, 0, 0, 0.4);
-  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05);
-  --shadow-card-hover: 0 12px 40px rgba(15, 23, 42, 0.12);
+  --shadow-glass: 0 10px 30px rgba(15,23,42,0.08);
+  --shadow-glassDark: 0 20px 45px rgba(0,0,0,0.45);
 
   --radius-xl: 1rem;
-  --radius-2xl: 1.25rem;
 }
 
 @variant dark (&:where(.dark, .dark *));
@@ -30,12 +27,11 @@
     background-color: var(--color-surface-light);
     color: #0f172a;
     min-height: 100vh;
-    -webkit-font-smoothing: antialiased;
   }
 
   :root.dark body {
     background-color: var(--color-surface-dark);
-    color: #f1f5f9;
+    color: #f8fafc;
   }
 
   #app {
@@ -44,13 +40,6 @@
 }
 
 @layer utilities {
-  .line-clamp-2 {
-    overflow: hidden;
-    display: -webkit-box;
-    -webkit-line-clamp: 2;
-    -webkit-box-orient: vertical;
-  }
-
   .scrollbar-muted {
     scrollbar-width: thin;
     scrollbar-color: #94a3b8 transparent;
diff --git a/src/components/AppCard.vue b/src/components/AppCard.vue
index 5baaca2a..9dac369f 100644
--- a/src/components/AppCard.vue
+++ b/src/components/AppCard.vue
@@ -1,40 +1,36 @@
 <template>
-  <article
-    role="button"
-    tabindex="0"
+  <div
     @click="openDetail"
-    @keydown.enter="openDetail"
-    @keydown.space.prevent="openDetail"
-    class="group flex h-full cursor-pointer gap-4 rounded-2xl border border-slate-200/60 bg-white/95 p-4 shadow-sm transition-all duration-200 hover:-translate-y-0.5 hover:border-brand/30 hover:shadow-md hover:shadow-slate-200/50 dark:border-slate-700/50 dark:bg-slate-800/70 dark:hover:border-brand/40 dark:hover:shadow-slate-900/50"
+    class="group flex h-full cursor-pointer gap-4 rounded-2xl border border-slate-200/70 bg-white/90 p-4 shadow-sm transition hover:-translate-y-1 hover:border-brand/50 hover:shadow-lg dark:border-slate-800/60 dark:bg-slate-900/60"
   >
     <div
-      class="flex h-14 w-14 shrink-0 items-center justify-center overflow-hidden rounded-xl bg-gradient-to-br from-slate-100 to-slate-200/80 shadow-inner ring-1 ring-slate-200/50 dark:from-slate-700 dark:to-slate-800 dark:ring-slate-600/30"
+      class="flex h-16 w-16 items-center justify-center overflow-hidden rounded-2xl bg-gradient-to-b from-slate-100 to-slate-200 shadow-inner dark:from-slate-800 dark:to-slate-700"
     >
       <img
         ref="iconImg"
         :src="loadedIcon"
-        alt=""
+        alt="icon"
         :class="[
           'h-full w-full object-cover transition-opacity duration-300',
           isLoaded ? 'opacity-100' : 'opacity-0',
         ]"
       />
     </div>
-    <div class="flex min-w-0 flex-1 flex-col gap-1.5">
-      <div class="flex flex-wrap items-center gap-2">
-        <h3
+    <div class="flex flex-1 flex-col gap-1 overflow-hidden">
+      <div class="flex items-center gap-2">
+        <div
           class="truncate text-base font-semibold text-slate-900 dark:text-white"
         >
           {{ app.name || "" }}
-        </h3>
+        </div>
         <span
           :class="[
-            'shrink-0 rounded-md px-1.5 py-0.5 text-[10px] font-bold uppercase tracking-wider',
+            'rounded-md px-1.5 py-0.5 text-[10px] font-bold uppercase tracking-wider shadow-sm',
             app.isMerged
-              ? 'bg-violet-100 text-violet-600 dark:bg-violet-900/40 dark:text-violet-300'
+              ? 'bg-purple-100 text-purple-600 dark:bg-purple-900/30 dark:text-purple-400'
               : app.origin === 'spark'
-                ? 'bg-amber-100 text-amber-700 dark:bg-amber-900/40 dark:text-amber-300'
-                : 'bg-sky-100 text-sky-600 dark:bg-sky-900/40 dark:text-sky-300',
+                ? 'bg-orange-100 text-orange-600 dark:bg-orange-900/30 dark:text-orange-400'
+                : 'bg-blue-100 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400',
           ]"
         >
           {{
@@ -46,18 +42,14 @@
           }}
         </span>
       </div>
-      <p
-        class="truncate text-xs font-medium text-slate-500 dark:text-slate-400"
-      >
+      <div class="text-sm text-slate-500 dark:text-slate-400">
         {{ app.pkgname || "" }} · {{ app.version || "" }}
-      </p>
-      <p
-        class="line-clamp-2 text-sm leading-snug text-slate-500 dark:text-slate-400"
-      >
+      </div>
+      <div class="text-sm text-slate-500 dark:text-slate-400">
         {{ description }}
-      </p>
+      </div>
     </div>
-  </article>
+  </div>
 </template>
 
 <script setup lang="ts">
diff --git a/src/components/AppDetailModal.vue b/src/components/AppDetailModal.vue
index 5b4c8130..c0f690e5 100644
--- a/src/components/AppDetailModal.vue
+++ b/src/components/AppDetailModal.vue
@@ -10,16 +10,16 @@
     <div
       v-if="show"
       v-bind="attrs"
-      class="fixed inset-0 z-50 flex items-center justify-center overflow-hidden bg-slate-900/60 backdrop-blur-sm p-4"
+      class="fixed inset-0 z-50 flex items-center justify-center overflow-hidden bg-slate-900/70 p-4"
       @click.self="closeModal"
     >
       <div
-        class="modal-panel relative w-full max-w-4xl max-h-[85vh] overflow-y-auto scrollbar-nowidth rounded-2xl border border-slate-200/60 bg-white/98 p-6 shadow-2xl dark:border-slate-700/50 dark:bg-slate-900/98"
+        class="modal-panel relative w-full max-w-4xl max-h-[85vh] overflow-y-auto scrollbar-nowidth rounded-3xl border border-white/10 bg-white/95 p-6 shadow-2xl dark:border-slate-800 dark:bg-slate-900"
       >
         <div class="flex flex-col gap-4 lg:flex-row lg:items-center">
           <div class="flex flex-1 items-center gap-4">
             <div
-              class="flex h-20 w-20 shrink-0 items-center justify-center overflow-hidden rounded-2xl bg-gradient-to-br from-slate-100 to-slate-200/80 shadow-inner ring-1 ring-slate-200/50 dark:from-slate-700 dark:to-slate-800 dark:ring-slate-600/30"
+              class="flex h-20 w-20 items-center justify-center overflow-hidden rounded-3xl bg-gradient-to-b from-slate-100 to-slate-200 shadow-inner dark:from-slate-800 dark:to-slate-700"
             >
               <img
                 v-if="app"
@@ -133,11 +133,11 @@
             </template>
             <button
               type="button"
-              class="inline-flex h-10 w-10 items-center justify-center rounded-xl border border-slate-200/60 text-slate-500 transition hover:bg-slate-100 hover:text-slate-700 dark:border-slate-700 dark:hover:bg-slate-800 dark:hover:text-slate-200"
+              class="inline-flex h-10 w-10 items-center justify-center rounded-full border border-slate-200/70 text-slate-500 transition hover:text-slate-900 dark:border-slate-700"
               @click="closeModal"
               aria-label="关闭"
             >
-              <i class="fas fa-xmark text-sm"></i>
+              <i class="fas fa-xmark"></i>
             </button>
           </div>
         </div>
diff --git a/src/components/AppGrid.vue b/src/components/AppGrid.vue
index eafccfb1..19aee8d8 100644
--- a/src/components/AppGrid.vue
+++ b/src/components/AppGrid.vue
@@ -1,7 +1,7 @@
 <template>
   <div
     v-if="!loading"
-    class="mt-6 grid gap-4 sm:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4"
+    class="mt-6 grid gap-5 sm:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4"
   >
     <AppCard
       v-for="(app, index) in apps"
diff --git a/src/components/AppHeader.vue b/src/components/AppHeader.vue
index 4664568f..77d47795 100644
--- a/src/components/AppHeader.vue
+++ b/src/components/AppHeader.vue
@@ -1,13 +1,12 @@
 <template>
-  <header class="flex flex-col gap-4">
-    <div class="flex flex-col gap-4 lg:flex-row lg:items-center lg:gap-5">
+  <div class="flex flex-col gap-4">
+    <div class="flex flex-col gap-4 lg:flex-row lg:items-center">
       <div class="flex items-center gap-3">
         <button
           type="button"
-          class="inline-flex h-10 w-10 shrink-0 items-center justify-center rounded-xl border border-slate-200/60 bg-white/90 text-slate-500 shadow-sm backdrop-blur-sm transition hover:border-slate-300 hover:bg-white hover:text-slate-700 lg:hidden dark:border-slate-700/60 dark:bg-slate-800/80 dark:text-slate-400 dark:hover:bg-slate-700 dark:hover:text-slate-200"
+          class="inline-flex h-10 w-10 shrink-0 items-center justify-center rounded-2xl border border-slate-200/70 bg-white/80 text-slate-500 shadow-sm backdrop-blur transition hover:bg-slate-50 lg:hidden dark:border-slate-800/70 dark:bg-slate-900/60 dark:text-slate-400 dark:hover:bg-slate-800"
           @click="$emit('toggle-sidebar')"
           title="切换侧边栏"
-          aria-label="切换侧边栏"
         >
           <i class="fas fa-bars"></i>
         </button>
@@ -17,19 +16,16 @@
           @open-install-settings="$emit('open-install-settings')"
         />
       </div>
-      <div class="w-full flex-1 min-w-0">
+      <div class="w-full flex-1">
         <label for="searchBox" class="sr-only">搜索应用</label>
         <div class="relative">
-          <span
-            class="pointer-events-none absolute left-4 top-1/2 -translate-y-1/2 flex h-8 w-8 items-center justify-center rounded-lg bg-slate-100/80 text-slate-400 dark:bg-slate-800/80 dark:text-slate-500"
-            aria-hidden="true"
-          >
-            <i class="fas fa-search text-sm"></i>
-          </span>
+          <i
+            class="fas fa-search pointer-events-none absolute left-4 top-1/2 -translate-y-1/2 text-slate-400"
+          ></i>
           <input
             id="searchBox"
             v-model="localSearchQuery"
-            class="w-full rounded-xl border border-slate-200/70 bg-white/95 py-3 pl-12 pr-4 text-sm text-slate-800 shadow-sm outline-none transition placeholder:text-slate-400 focus:border-brand/60 focus:ring-2 focus:ring-brand/20 dark:border-slate-700/70 dark:bg-slate-800/80 dark:text-slate-100 dark:placeholder:text-slate-500 dark:focus:border-brand/50 dark:focus:ring-brand/20"
+            class="w-full rounded-2xl border border-slate-200/70 bg-white/80 py-3 pl-12 pr-4 text-sm text-slate-700 shadow-sm outline-none transition placeholder:text-slate-400 focus:border-brand/50 focus:ring-4 focus:ring-brand/10 dark:border-slate-800/70 dark:bg-slate-900/60 dark:text-slate-200"
             placeholder="搜索应用名 / 包名 / 标签，按回车键搜索"
             @keydown.enter="handleSearch"
             @focus="handleSearchFocus"
@@ -39,16 +35,12 @@
     </div>
     <div
       v-if="activeCategory !== 'home'"
+      class="text-sm text-slate-500 dark:text-slate-400"
       id="currentCount"
-      class="text-sm font-medium text-slate-500 dark:text-slate-400"
     >
-      共
-      <span class="tabular-nums text-slate-700 dark:text-slate-300">{{
-        appsCount
-      }}</span>
-      个应用
+      共 {{ appsCount }} 个应用
     </div>
-  </header>
+  </div>
 </template>
 
 <script setup lang="ts">
diff --git a/src/components/AppSidebar.vue b/src/components/AppSidebar.vue
index fd03da7c..6f66c95e 100644
--- a/src/components/AppSidebar.vue
+++ b/src/components/AppSidebar.vue
@@ -1,87 +1,62 @@
 <template>
-  <div class="flex h-full flex-col gap-5">
+  <div class="flex h-full flex-col gap-6">
     <div class="flex items-center justify-between gap-3">
       <div class="flex items-center gap-3">
-        <div
-          class="flex h-12 w-12 items-center justify-center overflow-hidden rounded-2xl bg-gradient-to-br from-brand/20 to-brand/5 ring-1 ring-slate-200/60 dark:ring-slate-700/50"
-        >
-          <img :src="amberLogo" alt="Amber PM" class="h-8 w-8 object-contain" />
-        </div>
-        <div class="flex flex-col min-w-0">
+        <img
+          :src="amberLogo"
+          alt="Amber PM"
+          class="h-11 w-11 rounded-2xl bg-white/70 p-2 shadow-sm ring-1 ring-slate-900/5 dark:bg-slate-800"
+        />
+        <div class="flex flex-col">
           <span
-            class="text-[10px] font-medium uppercase tracking-widest text-slate-400 dark:text-slate-500"
+            class="text-xs uppercase tracking-[0.3em] text-slate-500 dark:text-slate-400"
             >Spark Store</span
           >
-          <span
-            class="truncate text-base font-bold tracking-tight text-slate-800 dark:text-white"
+          <span class="text-lg font-semibold text-slate-900 dark:text-white"
             >星火应用商店</span
           >
         </div>
       </div>
       <button
         type="button"
-        class="inline-flex h-9 w-9 shrink-0 items-center justify-center rounded-xl text-slate-400 transition hover:bg-slate-100 hover:text-slate-600 lg:hidden dark:hover:bg-slate-800 dark:hover:text-slate-300"
+        class="inline-flex h-10 w-10 items-center justify-center rounded-2xl text-slate-400 hover:bg-slate-100 lg:hidden dark:hover:bg-slate-800"
         @click="$emit('close')"
         title="关闭侧边栏"
-        aria-label="关闭侧边栏"
       >
-        <i class="fas fa-times text-sm"></i>
+        <i class="fas fa-times"></i>
       </button>
     </div>
 
     <ThemeToggle :theme-mode="themeMode" @toggle="toggleTheme" />
     <StoreModeSwitcher />
 
-    <nav
-      class="flex-1 space-y-1 overflow-y-auto scrollbar-muted pr-1"
-      aria-label="分类导航"
-    >
+    <div class="flex-1 space-y-2 overflow-y-auto scrollbar-muted pr-2">
       <button
         type="button"
-        class="nav-item flex w-full items-center gap-3 rounded-xl border border-transparent px-3.5 py-2.5 text-left text-sm font-medium transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40"
+        class="flex w-full items-center gap-3 rounded-2xl border border-transparent px-4 py-3 text-left text-sm font-medium text-slate-600 transition hover:border-brand/30 hover:bg-brand/5 hover:text-brand focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40 dark:text-slate-300 dark:hover:bg-slate-800"
         :class="
           activeCategory === 'home'
-            ? 'nav-item-active border-brand/20 bg-brand/10 text-brand dark:bg-brand/20 dark:text-brand-soft'
-            : 'text-slate-600 hover:bg-slate-100 hover:text-slate-800 dark:text-slate-400 dark:hover:bg-slate-800/80 dark:hover:text-slate-200'
+            ? 'border-brand/40 bg-brand/10 text-brand dark:bg-brand/15'
+            : ''
         "
         @click="selectCategory('home')"
       >
-        <span
-          class="flex h-8 w-8 shrink-0 items-center justify-center rounded-lg transition-colors"
-          :class="
-            activeCategory === 'home'
-              ? 'bg-brand/15 text-brand dark:bg-brand/25 dark:text-brand-soft'
-              : 'bg-slate-100/80 text-slate-500 dark:bg-slate-800/80 dark:text-slate-400'
-          "
-        >
-          <i class="fas fa-home"></i>
-        </span>
-        <span class="flex-1 truncate">主页</span>
+        <span>主页</span>
       </button>
 
       <button
         type="button"
-        class="nav-item flex w-full items-center gap-3 rounded-xl border border-transparent px-3.5 py-2.5 text-left text-sm font-medium transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40"
+        class="flex w-full items-center gap-3 rounded-2xl border border-transparent px-4 py-3 text-left text-sm font-medium text-slate-600 transition hover:border-brand/30 hover:bg-brand/5 hover:text-brand focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40 dark:text-slate-300 dark:hover:bg-slate-800"
         :class="
           activeCategory === 'all'
-            ? 'nav-item-active border-brand/20 bg-brand/10 text-brand dark:bg-brand/20 dark:text-brand-soft'
-            : 'text-slate-600 hover:bg-slate-100 hover:text-slate-800 dark:text-slate-400 dark:hover:bg-slate-800/80 dark:hover:text-slate-200'
+            ? 'border-brand/40 bg-brand/10 text-brand dark:bg-brand/15'
+            : ''
         "
         @click="selectCategory('all')"
       >
+        <span>全部应用</span>
         <span
-          class="flex h-8 w-8 shrink-0 items-center justify-center rounded-lg transition-colors"
-          :class="
-            activeCategory === 'all'
-              ? 'bg-brand/15 text-brand dark:bg-brand/25 dark:text-brand-soft'
-              : 'bg-slate-100/80 text-slate-500 dark:bg-slate-800/80 dark:text-slate-400'
-          "
-        >
-          <i class="fas fa-th-large"></i>
-        </span>
-        <span class="flex-1 truncate">全部应用</span>
-        <span
-          class="rounded-full bg-slate-200/80 px-2.5 py-0.5 text-xs font-semibold tabular-nums text-slate-600 dark:bg-slate-700/80 dark:text-slate-300"
+          class="ml-auto rounded-full bg-slate-100 px-2 py-0.5 text-xs font-semibold text-slate-500 dark:bg-slate-800/70 dark:text-slate-300"
           >{{ categoryCounts.all || 0 }}</span
         >
       </button>
@@ -90,31 +65,25 @@
         v-for="(category, key) in categories"
         :key="key"
         type="button"
-        class="nav-item flex w-full items-center gap-3 rounded-xl border border-transparent px-3.5 py-2.5 text-left text-sm font-medium transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40"
+        class="flex w-full items-center gap-3 rounded-2xl border border-transparent px-4 py-3 text-left text-sm font-medium text-slate-600 transition hover:border-brand/30 hover:bg-brand/5 hover:text-brand focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40 dark:text-slate-300 dark:hover:bg-slate-800"
         :class="
           activeCategory === key
-            ? 'nav-item-active border-brand/20 bg-brand/10 text-brand dark:bg-brand/20 dark:text-brand-soft'
-            : 'text-slate-600 hover:bg-slate-100 hover:text-slate-800 dark:text-slate-400 dark:hover:bg-slate-800/80 dark:hover:text-slate-200'
+            ? 'border-brand/40 bg-brand/10 text-brand dark:bg-brand/15'
+            : ''
         "
         @click="selectCategory(key)"
       >
-        <span
-          class="flex h-8 w-8 shrink-0 items-center justify-center rounded-lg transition-colors"
-          :class="
-            activeCategory === key
-              ? 'bg-brand/15 text-brand dark:bg-brand/25 dark:text-brand-soft'
-              : 'bg-slate-100/80 text-slate-500 dark:bg-slate-800/80 dark:text-slate-400'
-          "
-        >
-          <i class="fas fa-folder"></i>
+        <span class="flex flex-col">
+          <span>
+            <div class="text-left">{{ category.zh }}</div>
+          </span>
         </span>
-        <span class="flex-1 truncate text-left">{{ category.zh }}</span>
         <span
-          class="rounded-full bg-slate-200/80 px-2.5 py-0.5 text-xs font-semibold tabular-nums text-slate-600 dark:bg-slate-700/80 dark:text-slate-300"
+          class="ml-auto rounded-full bg-slate-100 px-2 py-0.5 text-xs font-semibold text-slate-500 dark:bg-slate-800/70 dark:text-slate-300"
           >{{ categoryCounts[key] || 0 }}</span
         >
       </button>
-    </nav>
+    </div>
   </div>
 </template>
 
diff --git a/src/components/DownloadQueue.vue b/src/components/DownloadQueue.vue
index e77d981d..41ef9c00 100644
--- a/src/components/DownloadQueue.vue
+++ b/src/components/DownloadQueue.vue
@@ -1,45 +1,40 @@
 <template>
   <div
-    class="fixed inset-x-4 bottom-4 z-40 rounded-2xl border border-slate-200/60 bg-white/95 shadow-xl shadow-slate-200/30 backdrop-blur-xl dark:border-slate-700/50 dark:bg-slate-900/95 dark:shadow-none sm:left-auto sm:right-6 sm:w-[22rem]"
+    class="fixed inset-x-4 bottom-4 z-40 rounded-3xl border border-slate-200/70 bg-white/95 shadow-2xl backdrop-blur dark:border-slate-800/70 dark:bg-slate-900/90 sm:left-auto sm:right-6 sm:w-96"
   >
     <div
-      class="flex cursor-pointer items-center justify-between px-4 py-3.5 transition hover:bg-slate-50/80 dark:hover:bg-slate-800/50"
+      class="flex items-center justify-between px-5 py-4"
       @click="toggleExpand"
     >
-      <div class="flex items-center gap-2.5">
-        <span
-          class="flex h-9 w-9 items-center justify-center rounded-xl bg-brand/10 text-brand dark:bg-brand/20"
-        >
-          <i class="fas fa-download text-sm"></i>
-        </span>
-        <span class="text-sm font-semibold text-slate-800 dark:text-slate-100"
-          >下载队列</span
-        >
+      <div
+        class="flex items-center gap-2 text-sm font-semibold text-slate-700 dark:text-slate-200"
+      >
+        <i class="fas fa-download text-brand"></i>
+        <span>下载队列</span>
         <span
           v-if="downloads.length"
-          class="rounded-full bg-slate-200/80 px-2 py-0.5 text-xs font-semibold tabular-nums text-slate-600 dark:bg-slate-700/80 dark:text-slate-300"
+          class="rounded-full bg-slate-100 px-2 py-0.5 text-xs font-medium text-slate-500 dark:bg-slate-800/70 dark:text-slate-300"
         >
-          {{ activeDownloads }}/{{ downloads.length }}
+          ({{ activeDownloads }}/{{ downloads.length }})
         </span>
       </div>
-      <div class="flex items-center gap-1">
+      <div class="flex items-center gap-2">
         <button
           v-if="downloads.length"
           type="button"
-          class="inline-flex h-8 w-8 items-center justify-center rounded-lg text-slate-500 transition hover:bg-slate-100 hover:text-slate-700 dark:hover:bg-slate-700 dark:hover:text-slate-300"
+          class="inline-flex h-9 w-9 items-center justify-center rounded-full border border-slate-200/70 text-slate-500 transition hover:text-slate-900 dark:border-slate-700 dark:text-slate-400"
           title="清除已完成"
           @click.stop="clearCompleted"
         >
-          <i class="fas fa-broom text-sm"></i>
+          <i class="fas fa-broom"></i>
         </button>
         <button
           type="button"
-          class="inline-flex h-8 w-8 items-center justify-center rounded-lg text-slate-500 transition hover:bg-slate-100 hover:text-slate-700 dark:hover:bg-slate-700 dark:hover:text-slate-300"
+          class="inline-flex h-9 w-9 items-center justify-center rounded-full border border-slate-200/70 text-slate-500 transition hover:text-slate-900 dark:border-slate-700 dark:text-slate-400"
           @click.stop="toggleExpand"
-          :aria-expanded="isExpanded"
         >
           <i
-            class="fas text-sm transition-transform"
+            class="fas"
             :class="isExpanded ? 'fa-chevron-down' : 'fa-chevron-up'"
           ></i>
         </button>
@@ -54,22 +49,19 @@
       leave-from-class="opacity-100 translate-y-0"
       leave-to-class="opacity-0 -translate-y-2"
     >
-      <div
-        v-show="isExpanded"
-        class="max-h-80 overflow-y-auto border-t border-slate-200/60 px-3 py-3 scrollbar-muted dark:border-slate-700/50"
-      >
+      <div v-show="isExpanded" class="max-h-96 overflow-y-auto px-3 pb-4">
         <div
           v-if="downloads.length === 0"
-          class="flex flex-col items-center justify-center rounded-xl border border-dashed border-slate-200/80 py-10 text-slate-500 dark:border-slate-700/80 dark:text-slate-400"
+          class="flex flex-col items-center justify-center rounded-2xl border border-dashed border-slate-200/80 px-4 py-12 text-slate-500 dark:border-slate-800/80 dark:text-slate-400"
         >
-          <i class="fas fa-inbox text-2xl opacity-60"></i>
-          <p class="mt-2 text-sm font-medium">暂无下载任务</p>
+          <i class="fas fa-inbox text-3xl"></i>
+          <p class="mt-3 text-sm">暂无下载任务</p>
         </div>
         <div v-else class="space-y-2">
           <div
             v-for="download in downloads"
             :key="download.id"
-            class="flex cursor-pointer items-center gap-3 rounded-xl border border-slate-200/60 bg-white/95 p-3 transition hover:border-brand/30 hover:bg-slate-50/80 dark:border-slate-700/50 dark:bg-slate-800/80 dark:hover:border-brand/40 dark:hover:bg-slate-800/90"
+            class="flex cursor-pointer items-center gap-3 rounded-2xl border border-slate-200/70 bg-white/90 p-3 shadow-sm transition hover:border-brand/40 hover:shadow-lg dark:border-slate-800/70 dark:bg-slate-900"
             :class="
               download.status === 'failed'
                 ? 'border-rose-300/70 dark:border-rose-500/40'
@@ -78,7 +70,7 @@
             @click="showDownloadDetail(download)"
           >
             <div
-              class="h-11 w-11 shrink-0 overflow-hidden rounded-xl bg-slate-100 dark:bg-slate-700/80 ring-1 ring-slate-200/50 dark:ring-slate-600/50"
+              class="h-12 w-12 overflow-hidden rounded-xl bg-slate-100 dark:bg-slate-800"
             >
               <img
                 :src="download.icon"
diff --git a/src/components/HomeView.vue b/src/components/HomeView.vue
index 37f5859d..13908bc5 100644
--- a/src/components/HomeView.vue
+++ b/src/components/HomeView.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="space-y-8">
+   <div class="space-y-8">
     <div
       v-if="loading"
       class="flex flex-col items-center justify-center py-12 text-slate-500 dark:text-slate-400"
@@ -13,6 +13,7 @@
     >
       {{ error }}
     </div>
+    <div v-else-if="error" class="text-center text-rose-600">{{ error }}</div>
     <div v-else>
       <div class="grid gap-4 auto-fit-grid">
         <a
@@ -20,40 +21,29 @@
           :key="link.url + link.name"
           :href="link.type === '_blank' ? undefined : link.url"
           @click.prevent="onLinkClick(link)"
-          class="flex flex-col items-start gap-3 rounded-2xl border border-slate-200/60 bg-white/95 p-4 shadow-sm transition-all duration-200 hover:-translate-y-0.5 hover:border-brand/30 hover:shadow-md dark:border-slate-700/50 dark:bg-slate-800/70 dark:hover:border-brand/40"
+          class="flex flex-col items-start gap-2 rounded-2xl border border-slate-200/70 bg-white/90 p-4 shadow-sm hover:shadow-lg transition"
           :title="link.more as string"
         >
-          <div
-            class="flex h-16 w-full items-center justify-center overflow-hidden rounded-xl bg-slate-50 dark:bg-slate-800/80"
-          >
-            <img
-              :src="computedImgUrl(link)"
-              class="max-h-14 w-auto object-contain"
-              loading="lazy"
-              alt=""
-            />
-          </div>
-          <div class="text-base font-semibold text-slate-900 dark:text-white">
+          <img
+            :src="computedImgUrl(link)"
+            class="h-20 w-full object-contain"
+            loading="lazy"
+          />
+          <div class="text-base font-semibold text-slate-900">
             {{ link.name }}
           </div>
-          <div class="text-sm text-slate-500 dark:text-slate-400 line-clamp-2">
-            {{ link.more }}
-          </div>
+          <div class="text-sm text-slate-500">{{ link.more }}</div>
         </a>
       </div>
 
-      <div class="space-y-6 mt-8">
-        <section
-          v-for="section in lists"
-          :key="section.title"
-          class="space-y-4"
-        >
-          <h3
-            class="text-lg font-bold tracking-tight text-slate-800 dark:text-slate-100 border-b border-slate-200/70 dark:border-slate-700/70 pb-2"
-          >
-            {{ section.title }}
-          </h3>
-          <div class="grid gap-4 auto-fit-grid">
+      <div class="space-y-6 mt-6">
+        <section v-for="section in lists" :key="section.title">
+          <div class="flex items-center justify-between">
+            <h3 class="text-lg font-semibold text-slate-900">
+              {{ section.title }}
+            </h3>
+          </div>
+          <div class="mt-3 grid gap-4 auto-fit-grid">
             <AppCard
               v-for="app in section.apps"
               :key="app.pkgname"
diff --git a/src/components/ThemeToggle.vue b/src/components/ThemeToggle.vue
index e76578fe..573ad361 100644
--- a/src/components/ThemeToggle.vue
+++ b/src/components/ThemeToggle.vue
@@ -1,27 +1,23 @@
 <template>
   <button
     type="button"
-    class="flex w-full items-center justify-between rounded-xl border border-slate-200/60 bg-white/80 px-3.5 py-2.5 text-sm font-medium text-slate-600 shadow-sm transition hover:border-slate-300 hover:bg-white focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40 dark:border-slate-700/60 dark:bg-slate-800/80 dark:text-slate-300 dark:hover:border-slate-600 dark:hover:bg-slate-800"
+    class="flex items-center justify-between rounded-2xl border border-slate-200/80 bg-white/70 px-4 py-3 text-sm font-medium text-slate-600 shadow-sm transition hover:border-brand/40 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40 dark:border-slate-800/70 dark:bg-slate-900/60 dark:text-slate-300"
     :aria-pressed="themeMode === 'dark'"
     @click="toggle"
   >
-    <span class="flex items-center gap-2.5">
-      <span
-        class="flex h-7 w-7 items-center justify-center rounded-lg bg-slate-100/80 dark:bg-slate-700/80"
-      >
-        <i class="fas text-sm" :class="iconClass"></i>
-      </span>
+    <span class="flex items-center gap-2">
+      <i class="fas" :class="iconClass"></i>
       <span>{{ label }}</span>
     </span>
     <span
-      class="relative inline-flex h-6 w-11 shrink-0 items-center rounded-full bg-slate-200/90 transition dark:bg-slate-600/80"
+      class="relative inline-flex h-6 w-12 items-center rounded-full bg-slate-300/80 transition dark:bg-slate-700"
     >
       <span
         :class="[
-          'absolute top-1/2 h-5 w-5 -translate-y-1/2 rounded-full bg-white shadow-md ring-2 ring-slate-200/50 transition-all duration-200 dark:ring-slate-600/50',
+          'inline-block h-4 w-4 rounded-full bg-white shadow transition',
           togglePosition,
         ]"
-      />
+      ></span>
     </span>
   </button>
 </template>
@@ -54,8 +50,8 @@ const iconClass = computed(() => {
 });
 
 const togglePosition = computed(() => {
-  if (props.themeMode === "auto") return "left-1/2 -translate-x-1/2";
-  if (props.themeMode === "dark") return "left-6";
-  return "left-0.5";
+  if (props.themeMode === "auto") return "translate-x-4";
+  if (props.themeMode === "dark") return "translate-x-7";
+  return "translate-x-1";
 });
 </script>
diff --git a/src/components/TopActions.vue b/src/components/TopActions.vue
index 96b0e177..d0c8814a 100644
--- a/src/components/TopActions.vue
+++ b/src/components/TopActions.vue
@@ -1,21 +1,21 @@
 <template>
-  <div class="flex flex-wrap gap-2">
+  <div class="flex flex-wrap gap-3">
     <button
       type="button"
-      class="inline-flex items-center gap-2 rounded-xl bg-gradient-to-r from-brand to-brand-dark px-3.5 py-2 text-sm font-semibold text-white shadow-md transition hover:shadow-lg hover:-translate-y-0.5 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40 focus-visible:ring-offset-2 focus-visible:ring-offset-white dark:focus-visible:ring-offset-slate-900"
+      class="inline-flex items-center gap-2 rounded-2xl bg-gradient-to-r from-brand to-brand-dark px-4 py-2 text-sm font-semibold text-white shadow-lg transition hover:-translate-y-0.5 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40"
       @click="handleUpdate"
       title="检查可更新的软件包列表"
     >
-      <i class="fas fa-sync-alt text-xs"></i>
+      <i class="fas fa-sync-alt"></i>
       <span>软件更新</span>
     </button>
     <button
       type="button"
-      class="inline-flex items-center gap-2 rounded-xl border border-slate-200/70 bg-white/90 px-3.5 py-2 text-sm font-semibold text-slate-700 shadow-sm transition hover:border-slate-300 hover:bg-slate-50 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40 dark:border-slate-700 dark:bg-slate-800/80 dark:text-slate-200 dark:hover:bg-slate-700/80"
+      class="inline-flex items-center gap-2 rounded-2xl bg-gradient-to-r from-brand to-brand-dark px-4 py-2 text-sm font-semibold text-white shadow-lg transition hover:-translate-y-0.5 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand/40"
       @click="handleSettings"
       title="安装设置"
     >
-      <i class="fas fa-cog text-xs"></i>
+      <i class="fas fa-cog"></i>
       <span>安装设置</span>
     </button>
     <!-- <button