修改 sidebar 样式

package.json

@@ -12,8 +12,8 @@
   "dependencies": {
     "@element-plus/icons-vue": "^1.1.4",
     "@types/node": "^17.0.23",
-    "axios": "^0.26.1",
     "aplayer": "^1.10.1",
+    "axios": "^0.26.1",
     "clipboard": "^2.0.10",
     "copy-to-clipboard": "^3.3.1",
     "echarts": "^5.3.2",
@@ -24,9 +24,14 @@
     "lodash-unified": "^1.0.2",
     "md-editor-v3": "^1.11.6",
     "moment": "^2.29.4",
+    "node-sass": "^8.0.0",
     "pinia": "^2.0.13",
     "qs": "^6.10.3",
+    "sass": "^1.57.1",
+    "sass-loader": "^13.2.0",
     "save": "^2.4.0",
+    "scss": "^0.2.4",
+    "style-loader": "^3.3.1",
     "type-fest": "^2.12.2",
     "vue": "^3.2.25",
     "vue-router": "^4.0.14",
@@ -40,10 +45,10 @@
     "@vitejs/plugin-vue": "^2.3.0",
     "mockjs": "^1.1.0",
     "typescript": "^4.5.4",
+    "v-contextmenu": "^3.0.0",
     "vite": "^2.9.13",
     "vite-plugin-compression": "^0.5.1",
     "vite-plugin-mock": "^2.9.6",
-    "v-contextmenu": "^3.0.0",
     "vue-tsc": "^0.29.8"
   }
 }