diff --git a/README.md b/README.md
index 2205f41..9fb2f20 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
-<div align="center">
-
-  <video src="https://blog.meowrain.cn/api/i/2026/01/21/SSR4_跃动节奏间.mp4" width="100%" autoplay muted loop playsinline preload="auto" controls controlsList="nodownload noplaybackrate" disablePictureInPicture style="border-radius: 16px; box-shadow: 0 10px 30px rgba(247, 92, 126, 0.25);">
+<div align="center" style="max-width: 760px; margin: 0 auto;">
+  <video src="https://blog.meowrain.cn/api/i/2026/01/21/SSR4_跃动节奏间.mp4" width="760" height="280" autoplay muted loop playsinline preload="auto" controls controlsList="nodownload noplaybackrate" disablePictureInPicture style="max-width: 100%; height: 280px; object-fit: cover; border-radius: 16px; box-shadow: 0 10px 30px rgba(247, 92, 126, 0.25);">
   </video>
 </div>