build: 替换autoprefixer为lightningcss并优化依赖

移除autoprefixer，改用lightningcss处理CSS，提升构建兼容性与性能。package.json、pnpm-lock.yaml、vite.config.ts同步调整依赖与配置，支持Android 5+/iOS 10+/Chrome 60+等目标环境。补充PWA苹果图标，删除favicon.ico。多语言任务目标文本细化和丰富，提升本地化体验。安卓端gradle配置补充capacitor-app与capacitor-filesystem依赖。

package.json

@@ -9,7 +9,7 @@
   },
   "private": true,
   "version": "1.5.5",
-  "buildDate": "2025/12/26 01:02:13",
+  "buildDate": "2025/12/26 22:22:08",
   "main": "dist-electron/main.js",
   "type": "module",
   "scripts": {
@@ -44,7 +44,8 @@
     "tailwindcss": "^4.1.17",
     "vue": "^3.5.24",
     "vue-router": "4",
-    "vue-sonner": "^2.0.9"
+    "vue-sonner": "^2.0.9",
+    "lightningcss": "^1.30.2"
   },
   "devDependencies": {
     "@types/crypto-js": "^4.2.2",
@@ -52,7 +53,6 @@
     "@types/node": "^24.10.2",
     "@vitejs/plugin-vue": "^6.0.1",
     "@vue/tsconfig": "^0.8.1",
-    "autoprefixer": "^10.4.23",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cross-env": "^7.0.3",