refactor: 升级vite至v6版本，升级sass至最新版，重构主题写法，删除@pureadmin/theme

package.json

@@ -69,7 +69,7 @@
     "dayjs": "^1.11.13",
     "echarts": "^5.5.1",
     "el-table-infinite-scroll": "^3.0.6",
-    "element-plus": "^2.8.5",
+    "element-plus": "https://pkg.pr.new/element-plus/element-plus@18711",
     "intro.js": "^7.2.0",
     "js-cookie": "^3.0.5",
     "jsbarcode": "^3.11.6",
@@ -113,12 +113,11 @@
     "@commitlint/config-conventional": "^19.5.0",
     "@commitlint/types": "^19.5.0",
     "@eslint/js": "^9.12.0",
-    "@faker-js/faker": "^8.4.1",
+    "@faker-js/faker": "^9.1.0",
     "@iconify-icons/ep": "^1.2.12",
     "@iconify-icons/ri": "^1.2.10",
     "@iconify/vue": "^4.1.2",
     "@intlify/unplugin-vue-i18n": "^5.2.0",
-    "@pureadmin/theme": "^3.3.0",
     "@types/dagre": "^0.7.52",
     "@types/intro.js": "^5.1.5",
     "@types/js-cookie": "^3.0.6",
@@ -150,7 +149,7 @@
     "prettier": "^3.3.3",
     "rimraf": "^6.0.1",
     "rollup-plugin-visualizer": "^5.12.0",
-    "sass": "1.79.6",
+    "sass": "^1.80.5",
     "stylelint": "^16.10.0",
     "stylelint-config-recess-order": "^5.1.1",
     "stylelint-config-recommended-vue": "^1.5.0",
@@ -159,7 +158,7 @@
     "svgo": "^3.3.2",
     "tailwindcss": "^3.4.13",
     "typescript": "^5.6.3",
-    "vite": "^5.4.8",
+    "vite": "6.0.0-beta.7",
     "vite-plugin-cdn-import": "^1.0.1",
     "vite-plugin-checker": "^0.8.0",
     "vite-plugin-compression": "^0.5.1",