refactor(client): 优化页面多处细节与样式兼容性

1. 调整全局滚动条样式仅适配Firefox浏览器，修复Chrome下表头错位问题
2. 替换站点logo为Ant Design风格图标并优化样式
3. 重构客户拜访列表操作栏：合并详情按钮到下拉菜单，缩小操作列宽度
4. 优化操作按钮文本与主键判断逻辑，使用key替代文本匹配

client/src/layouts/index.vue

@@ -6,7 +6,7 @@
       <div class="sider-inner">
         <!-- Logo区域 -->
         <div class="logo" @click="$router.push('/dashboard')">
-          <img src="@/assets/vue.svg" alt="logo" class="logo-img" />
+          <ThunderboltOutlined class="logo-img" />
           <h1 v-show="!collapsed" class="logo-title">智能电网IoT</h1>
         </div>
 
@@ -114,6 +114,7 @@ import {
   DownOutlined,
   LogoutOutlined,
   LockOutlined,
+  ThunderboltOutlined,
 } from '@ant-design/icons-vue'
 import { usePermissionStore, type MenuNode } from '@/stores/permission'
 
@@ -331,8 +332,9 @@ function handleUserMenuClick({ key }: { key: string }) {
       }
 
       .logo-img {
-        width: 32px;
-        height: 32px;
+        font-size: 32px;
+        color: #1890ff;
+        filter: drop-shadow(0 2px 4px rgba(24, 144, 255, 0.3));
         flex-shrink: 0;
       }