update readme

Author: liqing-ustc

README.md

@@ -1,12 +1,12 @@
-# <img src="https://computer-use-agents.github.io/dart-gui/icon.png" alt="DART-GUI" style="height: 22px;"> DART-GUI <br>
-<span style="font-size:22px;">Efficient Multi-turn RL for GUI Agents via Decoupled Training and Adaptive Data Curation</span>
+# <img src="https://computer-use-agents.github.io/dart-gui/icon.png" alt="DART-GUI" style="height: 30px;"> DART-GUI <br>
+**Efficient Multi-turn RL for GUI Agents via Decoupled Training and Adaptive Data Curation**
 
 <p align="center">
 &nbsp&nbsp🌐 <a href="https://computer-use-agents.github.io/dart-gui/">Website</a>&nbsp&nbsp | &nbsp&nbsp📑 <a href="https://arxiv.org/abs/2509.23866">arXiv</a>&nbsp&nbsp | &nbsp&nbsp🤖 <a href="">Model (coming soon)</a>&nbsp&nbsp | &nbsp&nbsp🤗 <a href="">Dataset (coming soon)</a>&nbsp&nbsp
 </p>
 
 <p align="center">
-  <img src="https://computer-use-agents.github.io/dart-gui/stats/teaser.png" alt="DART-GUI" style="height: 300px;">
+  <img src="https://computer-use-agents.github.io/dart-gui/stats/teaser.png" alt="DART-GUI" style="height: 500px;">
 </p>