diff --git a/frontend/src/views/components/SecuritySettings/SecuritySettings.css b/frontend/src/views/components/SecuritySettings/SecuritySettings.css
index f2d8b46a..d32974dd 100644
--- a/frontend/src/views/components/SecuritySettings/SecuritySettings.css
+++ b/frontend/src/views/components/SecuritySettings/SecuritySettings.css
@@ -383,3 +383,34 @@
     padding-bottom: 0;
   }
 }
+
+/* 桌面端将说明文字独立到下一行，避免操作按钮挤压中文标题区域。 */
+@media (min-width: 768px) {
+  .security-settings-card .security-key-header {
+    grid-template-columns: minmax(0, 1fr) auto;
+    grid-template-rows: auto auto;
+    align-items: center;
+    row-gap: 8px;
+  }
+
+  .security-settings-card .security-key-header > :first-child {
+    display: contents;
+  }
+
+  .security-settings-card .security-key-header > :first-child > h3 {
+    grid-column: 1;
+    grid-row: 1;
+    margin: 0;
+  }
+
+  .security-settings-card .security-key-header > :first-child > .settings-desc {
+    grid-column: 1 / -1;
+    grid-row: 2;
+  }
+
+  .security-settings-card .security-key-header > .security-recovery-actions {
+    grid-column: 2;
+    grid-row: 1;
+    align-self: center;
+  }
+}