feat: 同步dev分支并保留当前修改

src/screens/profile/ProfileScreen.tsx

@@ -55,10 +55,12 @@ export const ProfileScreen: React.FC = () => {
   const { isDesktop, isTablet, width } = useResponsive();
 
   // 页面滚动底部安全间距，避免内容被底部 TabBar 遮挡
+  // TabBar 悬浮：高度 64 + 浮动间距 12*2 = 88
   const scrollBottomInset = useMemo(() => {
     if (isDesktop) return spacing.lg;
-    return tabBarHeight + insets.bottom + spacing.md;
-  }, [isDesktop, tabBarHeight, insets.bottom]);
+    const FLOATING_TAB_BAR_HEIGHT = 64 + 24; // TabBar高度 + 上下浮动间距
+    return FLOATING_TAB_BAR_HEIGHT + insets.bottom + spacing.md;
+  }, [isDesktop, insets.bottom]);
   
   const [activeTab, setActiveTab] = useState(0);
   const [posts, setPosts] = useState<Post[]>([]);