diff --git a/Assets/css/critical-bootstrap.css b/Assets/css/critical-bootstrap.css
index 0cb5949f..110420c3 100644
--- a/Assets/css/critical-bootstrap.css
+++ b/Assets/css/critical-bootstrap.css
@@ -895,11 +895,10 @@ article ins.adsbygoogle {
     min-height: 200px;
 }
 
-/* Prevenir que AdSense manipule el main-content */
+/* CLS Prevention: Aislar main-content de re-layouts externos */
 #main-content,
 main.site-main {
-    height: auto;
-    min-height: 0;
+    contain: layout style;
 }
 
 /* ==========================================================================