1 files changed, 18 insertions, 1 deletions
diff --git a/src/LivingVillage.Desktop/HudLayout.fs b/src/LivingVillage.Desktop/HudLayout.fs
index 4310586..63d4ed5 100644
--- a/src/LivingVillage.Desktop/HudLayout.fs
+++ b/src/LivingVillage.Desktop/HudLayout.fs
@@ -197,7 +197,7 @@ module HudLayout =
     let calendarMarginRight = 12
     let calendarMarginTop = 8
     let calendarPadX = 10
-    let calendarPadY = 8
+    let calendarPadY = 6
     let calendarLineGap = 4
     let calendarTextHeight = 8 * textScale
     let calendarCardHeight = 2 * calendarTextHeight + calendarLineGap + 2 * calendarPadY
@@ -324,6 +324,23 @@ module HudLayout =
     let hotbarInputAllowed (menuPlaying: bool) (worldInputAllowed: bool) : bool =
         menuPlaying && worldInputAllowed
 
+    // ---- P77：底部左侧互动/任务面板几何（与 hotbar 错开，不遮挡）----
+
+    let panelLineHeight = 18
+    let panelMaxWidth = 380
+    let panelPadX = 12
+    let panelTopExtra = 26
+
+    /// 面板几何：左下角、宽度自适应视口，且底边始终抬到 hotbar 顶上方 8px（不遮挡快捷栏）。
+    let panelRect (viewportWidth: int) (viewportHeight: int) (lineCount: int) : Rectangle =
+        let width = min panelMaxWidth (max 1 (viewportWidth - 32))
+        let height = max 1 lineCount * panelLineHeight + panelTopExtra
+        let bar = hotbarBarRect viewportWidth viewportHeight
+        let maxBottom = bar.Y - 8
+        let y =
+            max (barHeight + 12) (min (viewportHeight - height - 16) (max 0 (maxBottom - height)))
+        Rectangle(16, y, width, height)
+
     // ---- P76：面板文本按实测像素宽度折行（换行而非整行截断，中文逐字、拉丁逐字）----
 
     let wrapText (maxWidth: int) (scale: int) (text: string) : string list =