管理后台初始化，登录，团队管理，报价单管理 完成

src/utils/tableColumns.jsx

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+import { Tag } from 'antd';
+
+export const getStatusColumn = (options = {}) => ({
+  title: '状态',
+  dataIndex: 'status',
+  key: 'status',
+  render: (status) => {
+    const color = status === '进行中' ? 'green' : 
+                 status === '已完成' ? 'blue' : 
+                 status === '已取消' ? 'red' : 'default';
+    return <Tag color={color}>{status}</Tag>;
+  },
+  ...options,
+});
+
+export const getDateColumn = (title, dataIndex, options = {}) => ({
+  title,
+  dataIndex,
+  key: dataIndex,
+  render: (date) => new Date(date).toLocaleString(),
+  ...options,
+});