修复(权限管理)：统一 PM 系统导航与权限校验

frontend/src/components/SecurityCenter.vue

@@ -938,7 +938,8 @@ defineExpose({ refresh: loadSecurityEvents });
 
 .security-table-wrap {
   min-width: 0;
-  padding: 10px;
+  padding: 0;
+  overflow: hidden;
   border: 1px solid var(--audit-border);
   border-radius: var(--card-radius);
   background: #fff;
@@ -964,6 +965,14 @@ defineExpose({ refresh: loadSecurityEvents });
   padding: 0 8px;
 }
 
+.security-table :deep(.el-scrollbar__wrap) {
+  overflow-x: hidden;
+}
+
+.security-table :deep(.el-scrollbar__bar.is-horizontal) {
+  display: none;
+}
+
 .time-cell,
 .ip-cell,
 .location-cell,
@@ -1222,7 +1231,9 @@ defineExpose({ refresh: loadSecurityEvents });
 .table-head {
   align-items: center;
   flex-wrap: wrap;
-  margin-bottom: 10px;
+  margin-bottom: 0;
+  padding: 10px 12px;
+  border-bottom: 1px solid var(--audit-border);
 }
 
 .table-head .section-title-group {
@@ -1490,15 +1501,12 @@ defineExpose({ refresh: loadSecurityEvents });
   text-align: right;
 }
 
-.security-table-wrap {
-  overflow: hidden;
-}
-
 .pagination-wrap {
   display: flex;
   justify-content: flex-end;
-  margin-top: 10px;
-  padding: 8px 16px 0;
+  margin-top: 0;
+  padding: 8px 12px;
+  border-top: 1px solid var(--audit-border);
 }
 
 .category-pill {
@@ -1806,8 +1814,7 @@ defineExpose({ refresh: loadSecurityEvents });
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
 
-  .security-analysis-card,
-  .security-table-wrap {
+  .security-analysis-card {
     padding: 10px;
   }