feat: add job fair region type functionality and improve job fair detail pages

- Introduced job fair region type selection in EditModal and PublicJobFairList components.
- Enhanced JobFairDetail page to display job fair region type using DictTag.
- Updated API types to include jobFairRegionType for better data handling.
- Created new JobPortal pages for displaying job fair details with improved styling.
- Added CSS styles for job fair detail and list pages to enhance user experience.
- Implemented loading states and error handling for job fair data fetching.

src/types/jobfair/publicJobFair.d.ts

@@ -8,6 +8,7 @@ declare namespace API.PublicJobFair {
     pageSize?: number;
     jobFairTitle?: string;
     jobFairType?: string;
+    jobFairRegionType?: string;
     startDate?: string;
     endDate?: string;
   }
@@ -18,8 +19,10 @@ declare namespace API.PublicJobFair {
     jobFairTitle: string;
     jobFairAddress: string;
     jobFairType: string;
+    jobFairRegionType?: string;
     jobFairStartTime: string;
     jobFairEndTime: string;
+    jobFairStatus?: '未举办' | '正在举办' | '已举办';
     jobFairSignUpStartTime?: string;
     jobFairSignUpEndTime?: string;
     jobFairHostUnit?: string;
@@ -101,6 +104,7 @@ declare namespace API.PublicJobFair {
     jobFairTitle: string;
     jobFairAddress: string;
     jobFairType: string;
+    jobFairRegionType: string;
     jobFairStartTime: string;
     jobFairEndTime: string;
     jobFairSignUpStartTime?: string;