feat(publications,standardization,ui): harmonize typography, active category border, and 5 representative highlights

- Refine Publications overview & category detail pages with clean typography and spacing
- Add active border line (border-2 border-cobalt-dark) on active CategoryNav card
- Replace 10 highlights with 5 designated representative publications
- Add Patent subtitle '(IoT Architecture & Protocols, etc ...)'
- Update Footer link label from 'College of IT Engineering' to 'CITE'
- Clean up Standardization & Lectures page header kickers and spacing

refer_landing_page/content/categories.ts

@@ -3,6 +3,7 @@ import { PubCategory } from "./types";
 export interface CategoryInfo {
   slug: PubCategory;
   label: string;
+  subtitle?: string;
   desc: string;
 }
 
@@ -21,6 +22,7 @@ export const PUB_CATEGORIES: CategoryInfo[] = [
   {
     slug: "patent",
     label: "Patent",
+    subtitle: "(IoT Architecture & Protocols, etc ...)",
     desc: "국내외 지식재산권 출원 및 등록 실적",
   },
 ];