diff --git a/decks/xinfra/slides.md b/decks/xinfra/slides.md
index c6f8207..ff35626 100644
--- a/decks/xinfra/slides.md
+++ b/decks/xinfra/slides.md
@@ -552,7 +552,7 @@ layout: center
 
 # 平台分层架构 — 总体分层
 
-<div class="mt-4">
+<div class="mt-4" style="transform: scale(0.8); transform-origin: top left;">
 
 ```mermaid
 graph TB