feat(frontend): 为前端添加完整移动端响应式适配

- 新增响应式工具函数与全局移动端样式，统一适配≤768px屏幕
- 添加移动端底部导航组件，替代桌面端侧边栏菜单
- 为经销商、客户、报备列表页新增移动端卡片视图替换表格布局
- 调整所有页面的表单、弹窗与布局适配移动端尺寸
- 优化移动端viewport配置，适配全面屏安全区域
- 修复密码哈希工具，在非安全上下文下回退使用js-sha256库
- 更新依赖包，新增@vueuse/core与js-sha256

frontend/pnpm-lock.yaml

@@ -11,6 +11,9 @@ importers:
       '@element-plus/icons-vue':
         specifier: ^2.3.0
         version: 2.3.2(vue@3.5.27(typescript@5.9.3))
+      '@vueuse/core':
+        specifier: ^14.4.0
+        version: 14.4.0(vue@3.5.27(typescript@5.9.3))
       axios:
         specifier: ^1.6.0
         version: 1.13.2
@@ -23,6 +26,9 @@ importers:
       element-plus:
         specifier: ^2.5.0
         version: 2.13.1(vue@3.5.27(typescript@5.9.3))
+      js-sha256:
+        specifier: ^1.0.0
+        version: 1.0.0
       pinia:
         specifier: ^2.1.0
         version: 2.3.1(typescript@5.9.3)(vue@3.5.27(typescript@5.9.3))
@@ -529,6 +535,9 @@ packages:
   '@types/web-bluetooth@0.0.20':
     resolution: {integrity: sha512-g9gZnnXVq7gM7v3tJCWV/qw7w+KeOlSHAhgF9RytFyifW6AF61hdT2ucrYhPq9hLs5JIryeupHV3qGk95dH9ow==}
 
+  '@types/web-bluetooth@0.0.21':
+    resolution: {integrity: sha512-oIQLCGWtcFZy2JW77j9k8nHzAOpqMHLQejDA48XXMWH6tjCQHz5RCFz1bzsmROyL6PUm+LLnUiI4BCn221inxA==}
+
   '@typescript-eslint/eslint-plugin@6.21.0':
     resolution: {integrity: sha512-oy9+hTPCUFpngkEZUSzbf9MxI65wbKFoQYsgPdILTfbUldp5ovUuphZVe4i30emU9M/kP+T64Di0mxl7dSw3MA==}
     engines: {node: ^16.0.0 || >=18.0.0}
@@ -644,12 +653,25 @@ packages:
   '@vueuse/core@10.11.1':
     resolution: {integrity: sha512-guoy26JQktXPcz+0n3GukWIy/JDNKti9v6VEMu6kV2sYBsWuGiTU8OWdg+ADfUbHg3/3DlqySDe7JmdHrktiww==}
 
+  '@vueuse/core@14.4.0':
+    resolution: {integrity: sha512-X4WHz1HlCzCBoYXesUkifzzWBAcZgXG8Fi5iNPQg/epdzOB3gu8Fawj3hvuwYR1nGcXGnvxwYYcUC/71++svtQ==}
+    peerDependencies:
+      vue: ^3.5.0
+
   '@vueuse/metadata@10.11.1':
     resolution: {integrity: sha512-IGa5FXd003Ug1qAZmyE8wF3sJ81xGLSqTqtQ6jaVfkeZ4i5kS2mwQF61yhVqojRnenVew5PldLyRgvdl4YYuSw==}
 
+  '@vueuse/metadata@14.4.0':
+    resolution: {integrity: sha512-swx/255R6JyHZFJhx845iz5CRWDZdCfvkZOpACWc5+c5WHcG24mv8gUT1WIdFQaHt6dq79rvILd9QnCWiyVm9g==}
+
   '@vueuse/shared@10.11.1':
     resolution: {integrity: sha512-LHpC8711VFZlDaYUXEBbFBCQ7GS3dVU9mjOhhMhXP6txTV4EhYQg/KGnQuvt/sPAtoUKq7VVUnL6mVtFoL42sA==}
 
+  '@vueuse/shared@14.4.0':
+    resolution: {integrity: sha512-JRgY90Sz8DDtPMsaDflvPMp9xYk69JZAmbuDvAquUVXKr2gEjqtzGNTTthLfckH0BzBqvnu31gb4a8TGLRe79g==}
+    peerDependencies:
+      vue: ^3.5.0
+
   acorn-jsx@5.3.2:
     resolution: {integrity: sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==}
     peerDependencies:
@@ -1015,6 +1037,9 @@ packages:
   isexe@2.0.0:
     resolution: {integrity: sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==}
 
+  js-sha256@1.0.0:
+    resolution: {integrity: sha512-Bqxf6ENUzYIMzuELCmRNrJOVbjKH1oMgbfYJBKVr/W1Xf9fazpahqCbb24v1pR7XV1isuqhM+w9KWpK7zCyUQw==}
+
   js-yaml@4.1.1:
     resolution: {integrity: sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==}
     hasBin: true
@@ -1699,6 +1724,8 @@ snapshots:
 
   '@types/web-bluetooth@0.0.20': {}
 
+  '@types/web-bluetooth@0.0.21': {}
+
   '@typescript-eslint/eslint-plugin@6.21.0(@typescript-eslint/parser@6.21.0(eslint@8.57.1)(typescript@5.9.3))(eslint@8.57.1)(typescript@5.9.3)':
     dependencies:
       '@eslint-community/regexpp': 4.12.2
@@ -1880,8 +1907,17 @@ snapshots:
       - '@vue/composition-api'
       - vue
 
+  '@vueuse/core@14.4.0(vue@3.5.27(typescript@5.9.3))':
+    dependencies:
+      '@types/web-bluetooth': 0.0.21
+      '@vueuse/metadata': 14.4.0
+      '@vueuse/shared': 14.4.0(vue@3.5.27(typescript@5.9.3))
+      vue: 3.5.27(typescript@5.9.3)
+
   '@vueuse/metadata@10.11.1': {}
 
+  '@vueuse/metadata@14.4.0': {}
+
   '@vueuse/shared@10.11.1(vue@3.5.27(typescript@5.9.3))':
     dependencies:
       vue-demi: 0.14.10(vue@3.5.27(typescript@5.9.3))
@@ -1889,6 +1925,10 @@ snapshots:
       - '@vue/composition-api'
       - vue
 
+  '@vueuse/shared@14.4.0(vue@3.5.27(typescript@5.9.3))':
+    dependencies:
+      vue: 3.5.27(typescript@5.9.3)
+
   acorn-jsx@5.3.2(acorn@8.15.0):
     dependencies:
       acorn: 8.15.0
@@ -2309,6 +2349,8 @@ snapshots:
 
   isexe@2.0.0: {}
 
+  js-sha256@1.0.0: {}
+
   js-yaml@4.1.1:
     dependencies:
       argparse: 2.0.1