diff --git a/server/skillhub-app/src/main/java/com/iflytek/skillhub/service/SkillSearchAppService.java b/server/skillhub-app/src/main/java/com/iflytek/skillhub/service/SkillSearchAppService.java
index 57a1145a..820980bb 100644
--- a/server/skillhub-app/src/main/java/com/iflytek/skillhub/service/SkillSearchAppService.java
+++ b/server/skillhub-app/src/main/java/com/iflytek/skillhub/service/SkillSearchAppService.java
@@ -122,10 +122,8 @@ public class SkillSearchAppService {
     }
 
     private boolean hasPlatformWideReadAccess(Set<String> platformRoles) {
-        if (platformRoles == null || platformRoles.isEmpty()) {
-            return false;
-        }
-        return platformRoles.contains("SUPER_ADMIN");
+        // Super admins should use a dedicated admin interface, not the public portal
+        return false;
     }
 
     private SearchResponse searchVisibleSkills(
diff --git a/server/skillhub-app/src/test/java/com/iflytek/skillhub/service/SkillSearchAppServiceTest.java b/server/skillhub-app/src/test/java/com/iflytek/skillhub/service/SkillSearchAppServiceTest.java
index 57710c88..fdac46f8 100644
--- a/server/skillhub-app/src/test/java/com/iflytek/skillhub/service/SkillSearchAppServiceTest.java
+++ b/server/skillhub-app/src/test/java/com/iflytek/skillhub/service/SkillSearchAppServiceTest.java
@@ -216,7 +216,7 @@ class SkillSearchAppServiceTest {
     }
 
     @Test
-    void search_shouldGrantPlatformWideAccessToSuperAdmin() {
+    void search_shouldNotGrantPlatformWideAccessToSuperAdminInPortal() {
         when(searchQueryService.search(any()))
                 .thenReturn(new SearchResult(List.of(), 0, 0, 20));
         when(rbacService.getUserRoleCodes("admin-1")).thenReturn(Set.of("SUPER_ADMIN", "USER"));
@@ -228,7 +228,7 @@ class SkillSearchAppServiceTest {
 
         SearchVisibilityScope scope = captor.getValue().visibilityScope();
         assertEquals("admin-1", scope.userId());
-        assertEquals(true, scope.platformWideAccess());
+        assertEquals(false, scope.platformWideAccess());
     }
 
     private void setField(Object target, String fieldName, Object value) {
diff --git a/server/skillhub-search/src/main/java/com/iflytek/skillhub/search/postgres/PostgresFullTextQueryService.java b/server/skillhub-search/src/main/java/com/iflytek/skillhub/search/postgres/PostgresFullTextQueryService.java
index e6888827..ec0cfa37 100644
--- a/server/skillhub-search/src/main/java/com/iflytek/skillhub/search/postgres/PostgresFullTextQueryService.java
+++ b/server/skillhub-search/src/main/java/com/iflytek/skillhub/search/postgres/PostgresFullTextQueryService.java
@@ -105,7 +105,6 @@ public class PostgresFullTextQueryService implements SearchQueryService {
         Set<Long> adminNamespaceIds = query.visibilityScope().adminNamespaceIds().isEmpty()
                 ? Set.of(-1L)
                 : query.visibilityScope().adminNamespaceIds();
-        boolean platformWideAccess = query.visibilityScope().platformWideAccess();
 
         StringBuilder sql = new StringBuilder();
         sql.append("SELECT d.skill_id ");
@@ -118,9 +117,6 @@ public class PostgresFullTextQueryService implements SearchQueryService {
         sql.append("AND (d.visibility = 'PUBLIC' ");
         if (query.visibilityScope().userId() != null) {
             sql.append("OR (d.visibility = 'NAMESPACE_ONLY' AND d.namespace_id IN :memberNamespaceIds) ");
-            sql.append("OR (d.visibility = 'NAMESPACE_ONLY' AND :platformWideAccess = TRUE) ");
-            sql.append("OR (d.visibility = 'PRIVATE' AND (d.namespace_id IN :adminNamespaceIds OR d.owner_id = :userId)) ");
-            sql.append("OR (d.visibility = 'PRIVATE' AND :platformWideAccess = TRUE) ");
         }
         sql.append(") ");
 
@@ -131,7 +127,6 @@ public class PostgresFullTextQueryService implements SearchQueryService {
         sql.append("AND (n.status <> 'ARCHIVED' ");
         if (query.visibilityScope().userId() != null) {
             sql.append("OR d.namespace_id IN :memberNamespaceIds ");
-            sql.append("OR :platformWideAccess = TRUE ");
         }
         sql.append(") ");
 
@@ -196,8 +191,6 @@ public class PostgresFullTextQueryService implements SearchQueryService {
         if (query.visibilityScope().userId() != null) {
             nativeQuery.setParameter("memberNamespaceIds", memberNamespaceIds);
             nativeQuery.setParameter("adminNamespaceIds", adminNamespaceIds);
-            nativeQuery.setParameter("platformWideAccess", platformWideAccess);
-            nativeQuery.setParameter("userId", query.visibilityScope().userId());
         }
 
         if (query.namespaceId() != null) {
@@ -243,8 +236,6 @@ public class PostgresFullTextQueryService implements SearchQueryService {
         if (query.visibilityScope().userId() != null) {
             countQuery.setParameter("memberNamespaceIds", memberNamespaceIds);
             countQuery.setParameter("adminNamespaceIds", adminNamespaceIds);
-            countQuery.setParameter("platformWideAccess", platformWideAccess);
-            countQuery.setParameter("userId", query.visibilityScope().userId());
         }
 
         if (query.namespaceId() != null) {
diff --git a/server/skillhub-search/src/test/java/com/iflytek/skillhub/search/postgres/PostgresFullTextQueryServiceTest.java b/server/skillhub-search/src/test/java/com/iflytek/skillhub/search/postgres/PostgresFullTextQueryServiceTest.java
index ea33092b..0025f2ec 100644
--- a/server/skillhub-search/src/test/java/com/iflytek/skillhub/search/postgres/PostgresFullTextQueryServiceTest.java
+++ b/server/skillhub-search/src/test/java/com/iflytek/skillhub/search/postgres/PostgresFullTextQueryServiceTest.java
@@ -393,7 +393,7 @@ class PostgresFullTextQueryServiceTest {
     }
 
     @Test
-    void platformWideAccessShouldBypassNamespaceVisibilityRestrictions() {
+    void platformWideAccessShouldNotBypassVisibilityInPortalSearch() {
         EntityManager entityManager = mock(EntityManager.class);
         Query nativeQuery = mock(Query.class);
         Query countQuery = mock(Query.class);
@@ -418,12 +418,12 @@ class PostgresFullTextQueryServiceTest {
 
         ArgumentCaptor<String> sqlCaptor = ArgumentCaptor.forClass(String.class);
         verify(entityManager, org.mockito.Mockito.times(2)).createNativeQuery(sqlCaptor.capture());
+        // Portal search should not include platformWideAccess bypass logic
         assertThat(sqlCaptor.getAllValues().getFirst())
-                .contains("OR (d.visibility = 'NAMESPACE_ONLY' AND :platformWideAccess = TRUE)")
-                .contains("OR (d.visibility = 'PRIVATE' AND :platformWideAccess = TRUE)")
-                .contains("OR :platformWideAccess = TRUE");
-        verify(nativeQuery).setParameter("platformWideAccess", true);
-        verify(countQuery).setParameter("platformWideAccess", true);
+                .doesNotContain("platformWideAccess")
+                .doesNotContain("PRIVATE");
+        verify(nativeQuery, never()).setParameter("platformWideAccess", true);
+        verify(countQuery, never()).setParameter("platformWideAccess", true);
     }
 
     @Test