移除未使用的依赖和组件，优化博客列表和详情页样式，调整菜单项和颜色配置

package.json

@@ -15,18 +15,12 @@
   },
   "dependencies": {
     "@imengyu/vue3-context-menu": "^1.5.2",
-    "@kangc/v-md-editor": "^2.3.18",
-    "@markdown-next/parser": "^0.0.2-alpha",
-    "@markdown-next/vue": "^0.0.2-alpha",
     "@meting/core": "^1.5.13",
     "@unocss/reset": "^66.3.3",
     "aplayer": "^1.10.1",
     "axios": "^1.11.0",
     "es-toolkit": "^1.39.8",
-    "highlight.js": "^11.11.1",
-    "juejin-markdown-themes": "^1.34.0",
     "less": "^4.4.0",
-    "markdown-exit": "^1.0.0-beta.6",
     "md-editor-v3": "^6.3.0",
     "pinia": "^3.0.3",
     "qweather-icons": "^1.7.0",
@@ -34,13 +28,10 @@
     "unplugin-auto-import": "^19.3.0",
     "unplugin-vue-components": "^28.8.0",
     "unplugin-vue-router": "^0.15.0",
-    "v-infinite-scroll": "^1.0.4",
     "vite-svg-loader": "^5.1.0",
     "vue": "^3.6.0-alpha.2",
-    "vue-markdown": "^2.2.4",
     "vue-router": "^4.5.1",
-    "vue3-cookies": "^1.0.6",
-    "vue3-video-play": "^1.3.2"
+    "vue3-cookies": "^1.0.6"
   },
   "devDependencies": {
     "@tsconfig/node22": "^22.0.2",