feat(badges): zibll-style badge modal with category grid, detail view, and wear UX

assets/css/routes/user-center/credits.css

@@ -1023,13 +1023,7 @@ body.uc-modal-open {
 }
 .focus-color { color: var(--focus-color, #f59e0b); }
 
-/* User badges wear modal */
-.uc-badges-list { max-height: 60vh; overflow: auto; }
-.uc-badges-item { gap: 12px; }
-.uc-badges-item .medal-icon { width: 28px; height: 28px; object-fit: contain; }
-.uc-badges-wear-tag { margin-left: 6px; }
-.uc-badges-empty { padding: 16px 0; text-align: center; }
-
+/* 用户中心「我的徽章」弹窗样式已迁至 assets/css/frontend/medal.css（zibll medal 风格）。 */
 
 .uc-points-tasks__row.is-done { opacity: .72; }
 .uc-points-tasks__progress-bar {