diff --git a/apps/ai-game-creator-shell/src/styles.css b/apps/ai-game-creator-shell/src/styles.css
index 0f8ee6817..419f899af 100644
--- a/apps/ai-game-creator-shell/src/styles.css
+++ b/apps/ai-game-creator-shell/src/styles.css
@@ -10271,6 +10271,15 @@ button.design-workspace-tree__entry:hover,
 
 /* 策划聊天区包含阶段控制卡、消息、Runtime 状态和输入框。GameAgent 资源工作台的
    消息列表默认占满整个聊天区，策划模式需要单独恢复五行布局，避免输入框被推到视口外。 */
+/* 策划工作台保留标题行，避免共用跨行规则将标题挤到底部。 */
+.game-workbench-layout--design .game-workbench-chat {
+  grid-template-rows: auto minmax(0, 1fr);
+}
+
+.game-workbench-layout--design .game-workbench-chat .project-supervisor-surface {
+  grid-row: 2;
+}
+
 .game-workbench-layout--design .project-supervisor-surface {
   display: block;
   height: 100%;