diff --git a/frontend/src/views/components/SecuritySettings/SecuritySettings.css b/frontend/src/views/components/SecuritySettings/SecuritySettings.css
index 1c76e14..d841e73 100644
--- a/frontend/src/views/components/SecuritySettings/SecuritySettings.css
+++ b/frontend/src/views/components/SecuritySettings/SecuritySettings.css
@@ -669,3 +669,35 @@
     overflow-x: auto !important;
   }
 }
+
+/* 窄屏桌面端将安全码操作区置顶，避免按钮挤压标题和说明。 */
+@container settings-content (min-width: 561px) and (max-width: 760px) {
+  .security-settings-card .security-key-header {
+    display: flex !important;
+    flex-direction: column !important;
+    align-items: stretch !important;
+    gap: 12px !important;
+  }
+
+  .security-settings-card .security-key-header > .security-recovery-actions {
+    order: -1 !important;
+    align-self: stretch !important;
+    justify-content: flex-start !important;
+    width: 100% !important;
+    min-width: 0 !important;
+    max-width: 100% !important;
+    overflow-x: auto !important;
+  }
+}
+
+@container settings-content (max-width: 560px) {
+  .security-settings-card .security-key-header > .security-recovery-actions {
+    order: -1 !important;
+  }
+}
+
+@media (max-width: 767px) {
+  .security-settings-card .security-key-header > .security-recovery-actions {
+    order: 0 !important;
+  }
+}