diff --git a/shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarMonthView.kt b/shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarMonthView.kt
index cff540d..64610a4 100644
--- a/shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarMonthView.kt
+++ b/shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarMonthView.kt
@@ -61,7 +61,7 @@ fun CalendarMonthView(
     val p = viewModel.collapseProgress
     val headerHeightPx = monthHeaderHeightPx + weekdayHeaderHeightPx
     val rowPaddingPx = with(density) { ROW_PADDING_DP.dp.toPx() }.toInt()
-    val cardGapPx = with(density) { CARD_GAP_DP.dp.toPx() }.toInt()
+    val cardGapPx = with(density) { lerp(CARD_GAP_EXPANDED_DP.toFloat(), CARD_GAP_COLLAPSED_DP.toFloat(), p).dp.toPx() }.toInt()
 
     val interpolatedWeeks by remember {
         derivedStateOf {
diff --git a/shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarUtils.kt b/shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarUtils.kt
index 559b531..60382b9 100644
--- a/shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarUtils.kt
+++ b/shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarUtils.kt
@@ -24,8 +24,11 @@ const val HORIZONTAL_PADDING_DP = 16
 /** BottomCard 拖拽手势范围 (dp) */
 const val DRAG_RANGE_DP = 200
 
-/** 日历与 BottomCard 之间的间距 (dp) */
-const val CARD_GAP_DP = 12
+/** 日历与 BottomCard 之间的间距 (dp)：展开时 */
+const val CARD_GAP_EXPANDED_DP = 24
+
+/** 日历与 BottomCard 之间的间距 (dp)：折叠时 */
+const val CARD_GAP_COLLAPSED_DP = 12
 
 /** 线性插值 */
 fun lerp(start: Float, end: Float, fraction: Float): Float = start + (end - start) * fraction