diff --git a/.vscode/launch.json b/.vscode/launch.json
index c51fa034..a02acbfe 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -30,7 +30,6 @@
       // },
       "runtimeArgs": [
         "--remote-debugging-port=9229",
-        "--no-spark",
         "."
       ],
       "envFile": "${workspaceFolder}/.vscode/.debug.env",
diff --git a/electron/main/backend/install-manager.ts b/electron/main/backend/install-manager.ts
index ecfdf8b5..0feb54f2 100644
--- a/electron/main/backend/install-manager.ts
+++ b/electron/main/backend/install-manager.ts
@@ -251,7 +251,8 @@ 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,
         });
@@ -670,7 +671,6 @@ 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
new file mode 100644
index 00000000..587e6f9e
--- /dev/null
+++ b/electron/main/backend/telemetry.ts
@@ -0,0 +1,139 @@
+/**
+ * 启动时遥测：收集系统与商店版本信息并上报至 status.deepinos.org.cn
+ * 仅在 Linux 下执行一次，不阻塞启动，失败静默记录日志。
+ */
+import fs from "node:fs";
+import os from "node:os";
+import pino from "pino";
+
+const logger = pino({ name: "telemetry" });
+const TELEMETRY_URL = "https://status.spark-app.store/upload";
+
+interface TelemetryPayload {
+  "Distributor ID": string;
+  Release: string;
+  Architecture: string;
+  Store_Version: string;
+  UUID: string;
+  TIME: string;
+}
+
+function readFileSafe(path: string): string {
+  try {
+    return fs.readFileSync(path, "utf8").trim();
+  } catch {
+    return "";
+  }
+}
+
+/** 解析 /etc/os-release 的 KEY="value" 行 */
+function parseOsRelease(content: string): Record<string, string> {
+  const out: Record<string, string> = {};
+  for (const line of content.split("\n")) {
+    const m = line.match(/^([A-Z_][A-Z0-9_]*)=(?:")?([^"]*)(?:")?$/);
+    if (m) out[m[1]] = m[2].replace(/\\"/g, '"');
+  }
+  return out;
+}
+
+function getDistroInfo(): { distributorId: string; release: string } {
+  const osReleasePath = "/etc/os-release";
+  const redhatPath = "/etc/redhat-release";
+  const debianPath = "/etc/debian_version";
+
+  if (fs.existsSync(osReleasePath)) {
+    const content = readFileSafe(osReleasePath);
+    const parsed = parseOsRelease(content);
+    const name = parsed.NAME ?? "Unknown";
+    const versionId = parsed.VERSION_ID ?? "Unknown";
+    return { distributorId: name, release: versionId };
+  }
+
+  if (fs.existsSync(redhatPath)) {
+    const content = readFileSafe(redhatPath);
+    const distributorId = content.split(/\s+/)[0] ?? "Unknown";
+    const releaseMatch = content.match(/release\s+([0-9][0-9.]*)/i);
+    const release = releaseMatch ? releaseMatch[1] : "Unknown";
+    return { distributorId, release };
+  }
+
+  if (fs.existsSync(debianPath)) {
+    const release = readFileSafe(debianPath) || "Unknown";
+    return { distributorId: "Debian", release };
+  }
+
+  return { distributorId: "Unknown", release: "Unknown" };
+}
+
+function getUuid(): string {
+  const content = readFileSafe("/etc/machine-id");
+  return content || "unknown";
+}
+
+/** 架构：与 uname -m 一致，使用 Node 的 os.machine() */
+function getArchitecture(): string {
+  if (typeof os.machine === "function") {
+    return os.machine();
+  }
+  const arch = process.arch;
+  if (arch === "x64") return "x86_64";
+  if (arch === "arm64") return "aarch64";
+  return arch;
+}
+
+function buildPayload(storeVersion: string): TelemetryPayload {
+  const { distributorId, release } = getDistroInfo();
+  const time = new Date().toISOString().replace(/\.\d{3}Z$/, "Z");
+
+  return {
+    "Distributor ID": distributorId,
+    Release: release,
+    Architecture: getArchitecture(),
+    Store_Version: storeVersion,
+    UUID: getUuid(),
+    TIME: time,
+  };
+}
+
+/**
+ * 发送遥测数据。仅在 Linux 下执行；非 Linux 直接返回。
+ * 不抛出异常，错误仅写日志。
+ */
+export function sendTelemetryOnce(storeVersion: string): void {
+  if (process.platform !== "linux") {
+    logger.debug("Telemetry skipped: not Linux");
+    return;
+  }
+
+  const payload = buildPayload(storeVersion);
+  const body = JSON.stringify(payload);
+
+  fetch(TELEMETRY_URL, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body,
+  })
+    .then((res) => {
+      const code = res.status;
+      if (code === 200) {
+        logger.debug("Telemetry sent successfully");
+        return;
+      }
+      if (code === 400) {
+        logger.warn("Telemetry: 客户端请求错误，请检查 JSON 或接口逻辑");
+        return;
+      }
+      if (code === 422) {
+        logger.warn("Telemetry: 请求数据无效，请检查字段值");
+        return;
+      }
+      if (code === 500) {
+        logger.warn("Telemetry: 服务器内部错误");
+        return;
+      }
+      logger.warn(`Telemetry: 未处理的响应码 ${code}`);
+    })
+    .catch((err) => {
+      logger.warn({ err }, "Telemetry request failed");
+    });
+}
diff --git a/electron/main/index.ts b/electron/main/index.ts
index a6bced11..5de9aab7 100644
--- a/electron/main/index.ts
+++ b/electron/main/index.ts
@@ -17,6 +17,7 @@ import pino from "pino";
 import { handleCommandLine } from "./deeplink.js";
 import { isLoaded } from "../global.js";
 import { tasks } from "./backend/install-manager.js";
+import { sendTelemetryOnce } from "./backend/telemetry.js";
 
 // Assure single instance application
 if (!app.requestSingleInstanceLock()) {
@@ -64,13 +65,21 @@ let win: BrowserWindow | null = null;
 const preload = path.join(__dirname, "../preload/index.mjs");
 const indexHtml = path.join(RENDERER_DIST, "index.html");
 
-// Use app.getVersion() when the app is packaged.
+/** 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();
+  const pkgPath = path.join(process.env.APP_ROOT ?? __dirname, "package.json");
+  try {
+    const raw = fs.readFileSync(pkgPath, "utf8");
+    const pkg = JSON.parse(raw) as { version?: string };
+    return typeof pkg.version === "string" ? pkg.version : "dev";
+  } catch {
+    return "dev";
+  }
+}
+
 const getUserAgent = (): string => {
-  const version =
-    app && app.isPackaged
-      ? app.getVersion()
-      : process.env.npm_package_version || "dev";
-  return `Spark-Store/${version}`;
+  return `Spark-Store/${getAppVersion()}`;
 };
 
 logger.info("User Agent: " + getUserAgent());
@@ -86,9 +95,8 @@ function getStoreFilterFromArgv(): "spark" | "apm" | "both" {
   return "both";
 }
 
-ipcMain.handle(
-  "get-store-filter",
-  (): "spark" | "apm" | "both" => getStoreFilterFromArgv(),
+ipcMain.handle("get-store-filter", (): "spark" | "apm" | "both" =>
+  getStoreFilterFromArgv(),
 );
 
 async function createWindow() {
@@ -204,6 +212,8 @@ app.whenReady().then(() => {
   });
   createWindow();
   handleCommandLine(process.argv);
+  // 启动后执行一次遥测（仅 Linux，不阻塞）
+  sendTelemetryOnce(getAppVersion());
 });
 
 app.on("window-all-closed", () => {
@@ -247,9 +257,7 @@ function resolveIconPath(filename: string): string {
 /** 按优先级返回托盘图标路径：spark-store(.png|.ico) → amber-pm-logo.png。托盘不支持 SVG，故不尝试 spark-store.svg */
 function getTrayIconPath(): string | null {
   const ext = process.platform === "win32" ? ".ico" : ".png";
-  const candidates = [
-    `spark-store${ext}`
-  ];
+  const candidates = [`spark-store${ext}`];
   for (const name of candidates) {
     const iconPath = resolveIconPath(name);
     if (fs.existsSync(iconPath)) {
@@ -265,7 +273,9 @@ function getTrayIconPath(): string | null {
 const FALLBACK_TRAY_PNG =
   "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAHklEQVQ4T2NkYGD4z0ABYBwNwMAwGoChNQAAAABJRU5ErkJggg==";
 
-function getTrayImage(): string | ReturnType<typeof nativeImage.createFromDataURL> {
+function getTrayImage():
+  | string
+  | ReturnType<typeof nativeImage.createFromDataURL> {
   const iconPath = getTrayIconPath();
   if (iconPath) return iconPath;
   return nativeImage.createFromDataURL(FALLBACK_TRAY_PNG);
diff --git a/index.html b/index.html
index 94d80841..a1631fa7 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,9 @@
     <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/package.json b/package.json
index 04b07729..81ed77d3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "spark-store",
-  "version": "4.9.9",
+  "version": "4.9.9alpha3",
   "main": "dist-electron/main/index.js",
   "description": "Client for Spark App Store",
   "author": "elysia-best <elysia-best@simplelinux.cn.eu.org>",
diff --git a/src/App.vue b/src/App.vue
index 0555d3bd..a52dfb82 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,16 +1,21 @@
 <template>
   <div
-    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"
+    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]"
   >
+    <!-- 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-black/20 backdrop-blur-sm lg:hidden"
+      class="fixed inset-0 z-40 bg-slate-900/30 backdrop-blur-md lg:hidden transition-opacity"
       @click="isSidebarOpen = false"
-    ></div>
+    />
 
     <aside
-      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="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="
         isSidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'
       "
@@ -26,7 +31,7 @@
       />
     </aside>
 
-    <main class="flex-1 px-4 py-6 lg:px-10">
+    <main class="relative z-10 flex-1 px-4 py-6 lg:px-10">
       <AppHeader
         :search-query="searchQuery"
         :active-category="activeCategory"
@@ -395,16 +400,16 @@ 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) {
@@ -417,9 +422,9 @@ 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 59e4e570..d13917f1 100644
--- a/src/assets/css/appstyle.css
+++ b/src/assets/css/appstyle.css
@@ -1,22 +1,25 @@
 @import "tailwindcss";
 
 @theme {
-  --font-sans: "Inter", "system-ui", "-apple-system", "Segoe UI", "sans-serif";
+  --font-sans: "Plus Jakarta Sans", "Inter", "system-ui", "-apple-system", "Segoe UI", "sans-serif";
 
   --color-brand: #2563eb;
   --color-brand-dark: #1d4ed8;
   --color-brand-soft: #60a5fa;
 
-  --color-surface-light: #f5f7fb;
-  --color-surface-dark: #0b1220;
+  --color-surface-light: #f1f5f9;
+  --color-surface-dark: #0f172a;
 
   --color-card-light: #ffffff;
-  --color-card-dark: #151c2c;
+  --color-card-dark: #1e293b;
 
-  --shadow-glass: 0 10px 30px rgba(15,23,42,0.08);
-  --shadow-glassDark: 0 20px 45px rgba(0,0,0,0.45);
+  --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);
 
   --radius-xl: 1rem;
+  --radius-2xl: 1.25rem;
 }
 
 @variant dark (&:where(.dark, .dark *));
@@ -27,11 +30,12 @@
     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: #f8fafc;
+    color: #f1f5f9;
   }
 
   #app {
@@ -40,6 +44,13 @@
 }
 
 @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 9dac369f..5baaca2a 100644
--- a/src/components/AppCard.vue
+++ b/src/components/AppCard.vue
@@ -1,36 +1,40 @@
 <template>
-  <div
+  <article
+    role="button"
+    tabindex="0"
     @click="openDetail"
-    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"
+    @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"
   >
     <div
-      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"
+      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"
     >
       <img
         ref="iconImg"
         :src="loadedIcon"
-        alt="icon"
+        alt=""
         :class="[
           'h-full w-full object-cover transition-opacity duration-300',
           isLoaded ? 'opacity-100' : 'opacity-0',
         ]"
       />
     </div>
-    <div class="flex flex-1 flex-col gap-1 overflow-hidden">
-      <div class="flex items-center gap-2">
-        <div
+    <div class="flex min-w-0 flex-1 flex-col gap-1.5">
+      <div class="flex flex-wrap items-center gap-2">
+        <h3
           class="truncate text-base font-semibold text-slate-900 dark:text-white"
         >
           {{ app.name || "" }}
-        </div>
+        </h3>
         <span
           :class="[
-            'rounded-md px-1.5 py-0.5 text-[10px] font-bold uppercase tracking-wider shadow-sm',
+            'shrink-0 rounded-md px-1.5 py-0.5 text-[10px] font-bold uppercase tracking-wider',
             app.isMerged
-              ? 'bg-purple-100 text-purple-600 dark:bg-purple-900/30 dark:text-purple-400'
+              ? 'bg-violet-100 text-violet-600 dark:bg-violet-900/40 dark:text-violet-300'
               : app.origin === 'spark'
-                ? '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',
+                ? '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',
           ]"
         >
           {{
@@ -42,14 +46,18 @@
           }}
         </span>
       </div>
-      <div class="text-sm text-slate-500 dark:text-slate-400">
+      <p
+        class="truncate text-xs font-medium text-slate-500 dark:text-slate-400"
+      >
         {{ app.pkgname || "" }} · {{ app.version || "" }}
-      </div>
-      <div class="text-sm text-slate-500 dark:text-slate-400">
+      </p>
+      <p
+        class="line-clamp-2 text-sm leading-snug text-slate-500 dark:text-slate-400"
+      >
         {{ description }}
-      </div>
+      </p>
     </div>
-  </div>
+  </article>
 </template>
 
 <script setup lang="ts">
diff --git a/src/components/AppDetailModal.vue b/src/components/AppDetailModal.vue
index c0f690e5..5b4c8130 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-900/70 p-4"
+      class="fixed inset-0 z-50 flex items-center justify-center overflow-hidden bg-slate-900/60 backdrop-blur-sm p-4"
       @click.self="closeModal"
     >
       <div
-        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"
+        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"
       >
         <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 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"
+              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"
             >
               <img
                 v-if="app"
@@ -133,11 +133,11 @@
             </template>
             <button
               type="button"
-              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"
+              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"
               @click="closeModal"
               aria-label="关闭"
             >
-              <i class="fas fa-xmark"></i>
+              <i class="fas fa-xmark text-sm"></i>
             </button>
           </div>
         </div>
diff --git a/src/components/AppGrid.vue b/src/components/AppGrid.vue
index 19aee8d8..eafccfb1 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-5 sm:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4"
+    class="mt-6 grid gap-4 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 77d47795..4664568f 100644
--- a/src/components/AppHeader.vue
+++ b/src/components/AppHeader.vue
@@ -1,12 +1,13 @@
 <template>
-  <div class="flex flex-col gap-4">
-    <div class="flex flex-col gap-4 lg:flex-row lg:items-center">
+  <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 items-center gap-3">
         <button
           type="button"
-          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"
+          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"
           @click="$emit('toggle-sidebar')"
           title="切换侧边栏"
+          aria-label="切换侧边栏"
         >
           <i class="fas fa-bars"></i>
         </button>
@@ -16,16 +17,19 @@
           @open-install-settings="$emit('open-install-settings')"
         />
       </div>
-      <div class="w-full flex-1">
+      <div class="w-full flex-1 min-w-0">
         <label for="searchBox" class="sr-only">搜索应用</label>
         <div class="relative">
-          <i
-            class="fas fa-search pointer-events-none absolute left-4 top-1/2 -translate-y-1/2 text-slate-400"
-          ></i>
+          <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>
           <input
             id="searchBox"
             v-model="localSearchQuery"
-            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"
+            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"
             placeholder="搜索应用名 / 包名 / 标签，按回车键搜索"
             @keydown.enter="handleSearch"
             @focus="handleSearchFocus"
@@ -35,12 +39,16 @@
     </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 {{ appsCount }} 个应用
+      共
+      <span class="tabular-nums text-slate-700 dark:text-slate-300">{{
+        appsCount
+      }}</span>
+      个应用
     </div>
-  </div>
+  </header>
 </template>
 
 <script setup lang="ts">
diff --git a/src/components/AppSidebar.vue b/src/components/AppSidebar.vue
index 6f66c95e..fd03da7c 100644
--- a/src/components/AppSidebar.vue
+++ b/src/components/AppSidebar.vue
@@ -1,62 +1,87 @@
 <template>
-  <div class="flex h-full flex-col gap-6">
+  <div class="flex h-full flex-col gap-5">
     <div class="flex items-center justify-between gap-3">
       <div class="flex items-center gap-3">
-        <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">
+        <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">
           <span
-            class="text-xs uppercase tracking-[0.3em] text-slate-500 dark:text-slate-400"
+            class="text-[10px] font-medium uppercase tracking-widest text-slate-400 dark:text-slate-500"
             >Spark Store</span
           >
-          <span class="text-lg font-semibold text-slate-900 dark:text-white"
+          <span
+            class="truncate text-base font-bold tracking-tight text-slate-800 dark:text-white"
             >星火应用商店</span
           >
         </div>
       </div>
       <button
         type="button"
-        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"
+        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"
         @click="$emit('close')"
         title="关闭侧边栏"
+        aria-label="关闭侧边栏"
       >
-        <i class="fas fa-times"></i>
+        <i class="fas fa-times text-sm"></i>
       </button>
     </div>
 
     <ThemeToggle :theme-mode="themeMode" @toggle="toggleTheme" />
     <StoreModeSwitcher />
 
-    <div class="flex-1 space-y-2 overflow-y-auto scrollbar-muted pr-2">
+    <nav
+      class="flex-1 space-y-1 overflow-y-auto scrollbar-muted pr-1"
+      aria-label="分类导航"
+    >
       <button
         type="button"
-        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="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="
           activeCategory === 'home'
-            ? 'border-brand/40 bg-brand/10 text-brand dark:bg-brand/15'
-            : ''
+            ? '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'
         "
         @click="selectCategory('home')"
       >
-        <span>主页</span>
+        <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>
       </button>
 
       <button
         type="button"
-        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="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="
           activeCategory === 'all'
-            ? 'border-brand/40 bg-brand/10 text-brand dark:bg-brand/15'
-            : ''
+            ? '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'
         "
         @click="selectCategory('all')"
       >
-        <span>全部应用</span>
         <span
-          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"
+          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"
           >{{ categoryCounts.all || 0 }}</span
         >
       </button>
@@ -65,25 +90,31 @@
         v-for="(category, key) in categories"
         :key="key"
         type="button"
-        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="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="
           activeCategory === key
-            ? 'border-brand/40 bg-brand/10 text-brand dark:bg-brand/15'
-            : ''
+            ? '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'
         "
         @click="selectCategory(key)"
       >
-        <span class="flex flex-col">
-          <span>
-            <div class="text-left">{{ category.zh }}</div>
-          </span>
-        </span>
         <span
-          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"
+          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>
+        <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"
           >{{ categoryCounts[key] || 0 }}</span
         >
       </button>
-    </div>
+    </nav>
   </div>
 </template>
 
diff --git a/src/components/DownloadQueue.vue b/src/components/DownloadQueue.vue
index 41ef9c00..e77d981d 100644
--- a/src/components/DownloadQueue.vue
+++ b/src/components/DownloadQueue.vue
@@ -1,40 +1,45 @@
 <template>
   <div
-    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"
+    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]"
   >
     <div
-      class="flex items-center justify-between px-5 py-4"
+      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"
       @click="toggleExpand"
     >
-      <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>
+      <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
+        >
         <span
           v-if="downloads.length"
-          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"
+          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"
         >
-          ({{ activeDownloads }}/{{ downloads.length }})
+          {{ activeDownloads }}/{{ downloads.length }}
         </span>
       </div>
-      <div class="flex items-center gap-2">
+      <div class="flex items-center gap-1">
         <button
           v-if="downloads.length"
           type="button"
-          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"
+          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"
           title="清除已完成"
           @click.stop="clearCompleted"
         >
-          <i class="fas fa-broom"></i>
+          <i class="fas fa-broom text-sm"></i>
         </button>
         <button
           type="button"
-          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"
+          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"
           @click.stop="toggleExpand"
+          :aria-expanded="isExpanded"
         >
           <i
-            class="fas"
+            class="fas text-sm transition-transform"
             :class="isExpanded ? 'fa-chevron-down' : 'fa-chevron-up'"
           ></i>
         </button>
@@ -49,19 +54,22 @@
       leave-from-class="opacity-100 translate-y-0"
       leave-to-class="opacity-0 -translate-y-2"
     >
-      <div v-show="isExpanded" class="max-h-96 overflow-y-auto px-3 pb-4">
+      <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-if="downloads.length === 0"
-          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"
+          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"
         >
-          <i class="fas fa-inbox text-3xl"></i>
-          <p class="mt-3 text-sm">暂无下载任务</p>
+          <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>
         </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-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="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="
               download.status === 'failed'
                 ? 'border-rose-300/70 dark:border-rose-500/40'
@@ -70,7 +78,7 @@
             @click="showDownloadDetail(download)"
           >
             <div
-              class="h-12 w-12 overflow-hidden rounded-xl bg-slate-100 dark:bg-slate-800"
+              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"
             >
               <img
                 :src="download.icon"
diff --git a/src/components/HomeView.vue b/src/components/HomeView.vue
index 6bc16c20..37f5859d 100644
--- a/src/components/HomeView.vue
+++ b/src/components/HomeView.vue
@@ -1,9 +1,18 @@
 <template>
-  <div class="space-y-6">
-    <div v-if="loading" class="text-center text-slate-500">
-      正在加载首页内容…
+  <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"
+    >
+      <i class="fas fa-spinner fa-spin text-2xl mb-3"></i>
+      <span class="text-sm">正在加载首页内容…</span>
+    </div>
+    <div
+      v-else-if="error"
+      class="rounded-2xl border border-rose-200/70 bg-rose-50/60 px-6 py-4 text-center text-sm text-rose-600 dark:border-rose-500/40 dark:bg-rose-500/10 dark:text-rose-300"
+    >
+      {{ 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
@@ -11,29 +20,40 @@
           :key="link.url + link.name"
           :href="link.type === '_blank' ? undefined : link.url"
           @click.prevent="onLinkClick(link)"
-          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"
+          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"
           :title="link.more as string"
         >
-          <img
-            :src="computedImgUrl(link)"
-            class="h-20 w-full object-contain"
-            loading="lazy"
-          />
-          <div class="text-base font-semibold text-slate-900">
+          <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">
             {{ link.name }}
           </div>
-          <div class="text-sm text-slate-500">{{ link.more }}</div>
+          <div class="text-sm text-slate-500 dark:text-slate-400 line-clamp-2">
+            {{ link.more }}
+          </div>
         </a>
       </div>
 
-      <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">
+      <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">
             <AppCard
               v-for="app in section.apps"
               :key="app.pkgname"
diff --git a/src/components/ThemeToggle.vue b/src/components/ThemeToggle.vue
index 573ad361..e76578fe 100644
--- a/src/components/ThemeToggle.vue
+++ b/src/components/ThemeToggle.vue
@@ -1,23 +1,27 @@
 <template>
   <button
     type="button"
-    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"
+    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"
     :aria-pressed="themeMode === 'dark'"
     @click="toggle"
   >
-    <span class="flex items-center gap-2">
-      <i class="fas" :class="iconClass"></i>
+    <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>{{ label }}</span>
     </span>
     <span
-      class="relative inline-flex h-6 w-12 items-center rounded-full bg-slate-300/80 transition dark:bg-slate-700"
+      class="relative inline-flex h-6 w-11 shrink-0 items-center rounded-full bg-slate-200/90 transition dark:bg-slate-600/80"
     >
       <span
         :class="[
-          'inline-block h-4 w-4 rounded-full bg-white shadow transition',
+          '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',
           togglePosition,
         ]"
-      ></span>
+      />
     </span>
   </button>
 </template>
@@ -50,8 +54,8 @@ const iconClass = computed(() => {
 });
 
 const togglePosition = computed(() => {
-  if (props.themeMode === "auto") return "translate-x-4";
-  if (props.themeMode === "dark") return "translate-x-7";
-  return "translate-x-1";
+  if (props.themeMode === "auto") return "left-1/2 -translate-x-1/2";
+  if (props.themeMode === "dark") return "left-6";
+  return "left-0.5";
 });
 </script>
diff --git a/src/components/TopActions.vue b/src/components/TopActions.vue
index d0c8814a..96b0e177 100644
--- a/src/components/TopActions.vue
+++ b/src/components/TopActions.vue
@@ -1,21 +1,21 @@
 <template>
-  <div class="flex flex-wrap gap-3">
+  <div class="flex flex-wrap gap-2">
     <button
       type="button"
-      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"
+      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"
       @click="handleUpdate"
       title="检查可更新的软件包列表"
     >
-      <i class="fas fa-sync-alt"></i>
+      <i class="fas fa-sync-alt text-xs"></i>
       <span>软件更新</span>
     </button>
     <button
       type="button"
-      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"
+      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"
       @click="handleSettings"
       title="安装设置"
     >
-      <i class="fas fa-cog"></i>
+      <i class="fas fa-cog text-xs"></i>
       <span>安装设置</span>
     </button>
     <!-- <button