diff --git a/packages/vitepress-plugin-enhanced-readabilities/src/components/LayoutSwitch.vue b/packages/vitepress-plugin-enhanced-readabilities/src/components/LayoutSwitch.vue
index 40baa8c8..d41c1035 100644
--- a/packages/vitepress-plugin-enhanced-readabilities/src/components/LayoutSwitch.vue
+++ b/packages/vitepress-plugin-enhanced-readabilities/src/components/LayoutSwitch.vue
@@ -245,6 +245,12 @@ onMounted(() => {
     }
   }
 
+  @media (min-width: 1440px) {
+    .VPNavBar.has-sidebar .curtain {
+      width: calc(100% - ((100vw - var(--vp-nolebase-enhanced-readabilities-full-width-max-width)) / 2 + var(--vp-sidebar-width)));
+    }
+  }
+
   @media (min-width: 1536px) {
     .VPDoc .container {
       max-width: var(--vp-nolebase-enhanced-readabilities-full-width-max-width);
@@ -276,6 +282,12 @@ onMounted(() => {
     }
   }
 
+  @media (min-width: 1440px) {
+    .VPNavBar.has-sidebar .curtain {
+      width: calc(100% - ((100vw - var(--vp-nolebase-enhanced-readabilities-page-max-width)) / 2 + var(--vp-sidebar-width)));
+    }
+  }
+
   @media (min-width: 1440px) {
     .VPContent.has-sidebar {
       padding-right: calc((100vw - var(--vp-nolebase-enhanced-readabilities-content-max-width)) / 2);
@@ -320,6 +332,12 @@ onMounted(() => {
     }
   }
 
+  @media (min-width: 1440px) {
+    .VPNavBar.has-sidebar .curtain {
+      width: calc(100% - ((100vw - var(--vp-nolebase-enhanced-readabilities-page-max-width)) / 2 + var(--vp-sidebar-width)));
+    }
+  }
+
   @media (min-width: 1440px) {
     .VPContent.has-sidebar {
       padding-right: calc((100vw - var(--vp-nolebase-enhanced-readabilities-content-max-width)) / 2);