diff --git a/app/src/main/java/com/unogame/MainActivity.kt b/app/src/main/java/com/unogame/MainActivity.kt
index 19bf9f7..aea39ae 100644
--- a/app/src/main/java/com/unogame/MainActivity.kt
+++ b/app/src/main/java/com/unogame/MainActivity.kt
@@ -70,6 +70,8 @@ fun UnoApp() {
     var cardTheme by remember { mutableStateOf(CardTheme.load(context)) }
     var tableBg by remember { mutableStateOf(TableBg.load(context)) }
     var isLandscape by remember { mutableStateOf(prefs.getBoolean("landscape", false)) }
+    var cardScale by remember { mutableStateOf(loadCardScale(context)) }
+    var handOffset by remember { mutableStateOf(loadHandOffset(context)) }
 
     // Apply orientation on start
     LaunchedEffect(Unit) {
@@ -192,7 +194,8 @@ fun UnoApp() {
 
     CompositionLocalProvider(
         LocalCardTheme provides cardTheme,
-        LocalTableBg provides tableBg
+        LocalTableBg provides tableBg,
+        LocalCardScale provides cardScale
     ) {
     val enterAnim: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition) = {
         fadeIn(animationSpec = tween(300)) + slideInHorizontally(animationSpec = tween(350)) { it / 4 }
@@ -401,6 +404,7 @@ fun UnoApp() {
                 totalPlayers = totalPlayers,
                 humanPlayerName = humanPlayerName,
                 botNames = botNames,
+                handOffset = handOffset,
                 onBackToMenu = {
                     navController.navigate(Screen.MainMenu.route) {
                         popUpTo(0) { inclusive = true }
@@ -423,6 +427,7 @@ fun UnoApp() {
                 currentTheme = cardTheme,
                 currentBg = tableBg,
                 isLandscape = isLandscape,
+                handOffset = handOffset,
                 onNameChanged = { name ->
                     savedName = name
                     prefs.edit().putString("player_name", name).apply()
@@ -435,6 +440,10 @@ fun UnoApp() {
                     tableBg = bg
                     TableBg.save(context, bg)
                 },
+                onSetHandOffset = { offset ->
+                    handOffset = offset
+                    saveHandOffset(context, offset)
+                },
                 onToggleOrientation = {
                     isLandscape = !isLandscape
                     prefs.edit().putBoolean("landscape", isLandscape).apply()
diff --git a/app/src/main/java/com/unogame/ui/components/CardView.kt b/app/src/main/java/com/unogame/ui/components/CardView.kt
index 765891d..a51cd09 100644
--- a/app/src/main/java/com/unogame/ui/components/CardView.kt
+++ b/app/src/main/java/com/unogame/ui/components/CardView.kt
@@ -16,6 +16,7 @@ import androidx.compose.ui.draw.shadow
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.Popup
@@ -32,21 +33,25 @@ fun CardView(
     selected: Boolean = false,
     playable: Boolean = true,
     theme: CardTheme = LocalCardTheme.current,
+    scale: Float = LocalCardScale.current,
     onClick: () -> Unit = {}
 ) {
     val cardBg = getCardBgColor(card.color.name)
     val isWild = card.color == CardColor.WILD
     var showInfo by remember { mutableStateOf(false) }
+    val w = (60 * scale).dp
+    val h = (90 * scale).dp
+    val off = (-30 * scale).dp
 
     Box {
         when (theme) {
-            CardTheme.CLASSIC -> ClassicCard(card, cardBg, isWild, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
-            CardTheme.ELEGANT -> ElegantCard(card, cardBg, isWild, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
-            CardTheme.MIDNIGHT -> MidnightCard(card, cardBg, isWild, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
-            CardTheme.NEON -> NeonCard(card, cardBg, isWild, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
-            CardTheme.PASTEL -> PastelCard(card, cardBg, isWild, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
-            CardTheme.FOREST -> ForestCard(card, cardBg, isWild, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
-            CardTheme.OCEAN -> OceanCard(card, cardBg, isWild, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
+            CardTheme.CLASSIC -> ClassicCard(card, cardBg, isWild, w, h, off, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
+            CardTheme.ELEGANT -> ElegantCard(card, cardBg, isWild, w, h, off, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
+            CardTheme.MIDNIGHT -> MidnightCard(card, cardBg, isWild, w, h, off, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
+            CardTheme.NEON -> NeonCard(card, cardBg, isWild, w, h, off, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
+            CardTheme.PASTEL -> PastelCard(card, cardBg, isWild, w, h, off, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
+            CardTheme.FOREST -> ForestCard(card, cardBg, isWild, w, h, off, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
+            CardTheme.OCEAN -> OceanCard(card, cardBg, isWild, w, h, off, modifier, selected, playable, onClick, onLongPress = { showInfo = true })
         }
 
         if (showInfo) {
@@ -59,13 +64,13 @@ fun CardView(
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 private fun ClassicCard(
-    card: Card, cardBg: Color, isWild: Boolean,
+    card: Card, cardBg: Color, isWild: Boolean, w: Dp, h: Dp, off: Dp,
     modifier: Modifier, selected: Boolean, playable: Boolean, onClick: () -> Unit, onLongPress: () -> Unit
 ) {
     Box(
         modifier = modifier
-            .width(60.dp).height(90.dp)
-            .then(if (selected) Modifier.offset(y = (-30).dp) else Modifier)
+            .width(w).height(h)
+            .then(if (selected) Modifier.offset(y = off) else Modifier)
             .shadow(if (selected) 8.dp else 2.dp, RoundedCornerShape(10.dp))
             .clip(RoundedCornerShape(10.dp))
             .background(
@@ -82,14 +87,14 @@ private fun ClassicCard(
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 private fun ElegantCard(
-    card: Card, cardBg: Color, isWild: Boolean,
+    card: Card, cardBg: Color, isWild: Boolean, w: Dp, h: Dp, off: Dp,
     modifier: Modifier, selected: Boolean, playable: Boolean, onClick: () -> Unit, onLongPress: () -> Unit
 ) {
     val borderColor = if (isWild) GoldAccent else cardBg.copy(alpha = 0.5f)
     Box(
         modifier = modifier
-            .width(60.dp).height(90.dp)
-            .then(if (selected) Modifier.offset(y = (-30).dp) else Modifier)
+            .width(w).height(h)
+            .then(if (selected) Modifier.offset(y = off) else Modifier)
             .shadow(if (selected) 8.dp else 3.dp, RoundedCornerShape(14.dp))
             .clip(RoundedCornerShape(14.dp))
             .background(Color.White)
@@ -122,14 +127,14 @@ private fun ElegantCard(
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 private fun MidnightCard(
-    card: Card, cardBg: Color, isWild: Boolean,
+    card: Card, cardBg: Color, isWild: Boolean, w: Dp, h: Dp, off: Dp,
     modifier: Modifier, selected: Boolean, playable: Boolean, onClick: () -> Unit, onLongPress: () -> Unit
 ) {
     val glow = if (isWild) Color.Magenta.copy(alpha = 0.6f) else cardBg.copy(alpha = 0.6f)
     Box(
         modifier = modifier
-            .width(60.dp).height(90.dp)
-            .then(if (selected) Modifier.offset(y = (-30).dp) else Modifier)
+            .width(w).height(h)
+            .then(if (selected) Modifier.offset(y = off) else Modifier)
             .shadow(if (selected) 12.dp else 4.dp, RoundedCornerShape(12.dp), ambientColor = glow, spotColor = glow)
             .clip(RoundedCornerShape(12.dp))
             .background(DarkCard)
@@ -153,14 +158,14 @@ private fun MidnightCard(
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 private fun NeonCard(
-    card: Card, cardBg: Color, isWild: Boolean,
+    card: Card, cardBg: Color, isWild: Boolean, w: Dp, h: Dp, off: Dp,
     modifier: Modifier, selected: Boolean, playable: Boolean, onClick: () -> Unit, onLongPress: () -> Unit
 ) {
     val neonColor = if (isWild) Color.Magenta else cardBg
     Box(
         modifier = modifier
-            .width(60.dp).height(90.dp)
-            .then(if (selected) Modifier.offset(y = (-30).dp) else Modifier)
+            .width(w).height(h)
+            .then(if (selected) Modifier.offset(y = off) else Modifier)
             .shadow(if (selected) 10.dp else 4.dp, RoundedCornerShape(8.dp), ambientColor = neonColor, spotColor = neonColor)
             .clip(RoundedCornerShape(8.dp))
             .background(Color(0xFF0A0A0A))
@@ -182,13 +187,13 @@ private fun NeonCard(
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 private fun PastelCard(
-    card: Card, cardBg: Color, isWild: Boolean,
+    card: Card, cardBg: Color, isWild: Boolean, w: Dp, h: Dp, off: Dp,
     modifier: Modifier, selected: Boolean, playable: Boolean, onClick: () -> Unit, onLongPress: () -> Unit
 ) {
     Box(
         modifier = modifier
-            .width(60.dp).height(90.dp)
-            .then(if (selected) Modifier.offset(y = (-30).dp) else Modifier)
+            .width(w).height(h)
+            .then(if (selected) Modifier.offset(y = off) else Modifier)
             .shadow(if (selected) 6.dp else 2.dp, RoundedCornerShape(16.dp))
             .clip(RoundedCornerShape(16.dp))
             .background(
@@ -218,13 +223,13 @@ private fun PastelCard(
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 private fun ForestCard(
-    card: Card, cardBg: Color, isWild: Boolean,
+    card: Card, cardBg: Color, isWild: Boolean, w: Dp, h: Dp, off: Dp,
     modifier: Modifier, selected: Boolean, playable: Boolean, onClick: () -> Unit, onLongPress: () -> Unit
 ) {
     Box(
         modifier = modifier
-            .width(60.dp).height(90.dp)
-            .then(if (selected) Modifier.offset(y = (-30).dp) else Modifier)
+            .width(w).height(h)
+            .then(if (selected) Modifier.offset(y = off) else Modifier)
             .shadow(if (selected) 6.dp else 2.dp, RoundedCornerShape(6.dp))
             .clip(RoundedCornerShape(6.dp))
             .background(
@@ -243,13 +248,13 @@ private fun ForestCard(
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 private fun OceanCard(
-    card: Card, cardBg: Color, isWild: Boolean,
+    card: Card, cardBg: Color, isWild: Boolean, w: Dp, h: Dp, off: Dp,
     modifier: Modifier, selected: Boolean, playable: Boolean, onClick: () -> Unit, onLongPress: () -> Unit
 ) {
     Box(
         modifier = modifier
-            .width(60.dp).height(90.dp)
-            .then(if (selected) Modifier.offset(y = (-30).dp) else Modifier)
+            .width(w).height(h)
+            .then(if (selected) Modifier.offset(y = off) else Modifier)
             .shadow(if (selected) 6.dp else 3.dp, RoundedCornerShape(10.dp))
             .clip(RoundedCornerShape(10.dp))
             .background(
@@ -351,11 +356,13 @@ private fun CardContent(card: Card, isWild: Boolean) {
 }
 
 @Composable
-fun CardBack(modifier: Modifier = Modifier, theme: CardTheme = LocalCardTheme.current) {
+fun CardBack(modifier: Modifier = Modifier, theme: CardTheme = LocalCardTheme.current, scale: Float = LocalCardScale.current) {
+    val w = (60 * scale).dp
+    val h = (90 * scale).dp
     when (theme) {
         CardTheme.CLASSIC -> {
             Box(
-                modifier = modifier.width(60.dp).height(90.dp)
+                modifier = modifier.width(w).height(h)
                     .shadow(2.dp, RoundedCornerShape(10.dp))
                     .clip(RoundedCornerShape(10.dp))
                     .background(DarkCard)
@@ -371,7 +378,7 @@ fun CardBack(modifier: Modifier = Modifier, theme: CardTheme = LocalCardTheme.cu
         }
         CardTheme.ELEGANT -> {
             Box(
-                modifier = modifier.width(60.dp).height(90.dp)
+                modifier = modifier.width(w).height(h)
                     .shadow(3.dp, RoundedCornerShape(14.dp))
                     .clip(RoundedCornerShape(14.dp))
                     .background(Color.White)
@@ -386,7 +393,7 @@ fun CardBack(modifier: Modifier = Modifier, theme: CardTheme = LocalCardTheme.cu
         }
         CardTheme.MIDNIGHT -> {
             Box(
-                modifier = modifier.width(60.dp).height(90.dp)
+                modifier = modifier.width(w).height(h)
                     .shadow(4.dp, RoundedCornerShape(12.dp), ambientColor = Color.Magenta.copy(alpha = 0.4f))
                     .clip(RoundedCornerShape(12.dp))
                     .background(DarkCard)
@@ -396,7 +403,7 @@ fun CardBack(modifier: Modifier = Modifier, theme: CardTheme = LocalCardTheme.cu
         }
         CardTheme.NEON -> {
             Box(
-                modifier = modifier.width(60.dp).height(90.dp)
+                modifier = modifier.width(w).height(h)
                     .shadow(4.dp, RoundedCornerShape(8.dp), ambientColor = Color.Cyan)
                     .clip(RoundedCornerShape(8.dp))
                     .background(Color(0xFF0A0A0A))
@@ -406,7 +413,7 @@ fun CardBack(modifier: Modifier = Modifier, theme: CardTheme = LocalCardTheme.cu
         }
         CardTheme.PASTEL -> {
             Box(
-                modifier = modifier.width(60.dp).height(90.dp)
+                modifier = modifier.width(w).height(h)
                     .shadow(2.dp, RoundedCornerShape(16.dp))
                     .clip(RoundedCornerShape(16.dp))
                     .background(Brush.verticalGradient(listOf(Color(0xFFFFF3E0), Color(0xFFFCE4EC))))
@@ -416,7 +423,7 @@ fun CardBack(modifier: Modifier = Modifier, theme: CardTheme = LocalCardTheme.cu
         }
         CardTheme.FOREST -> {
             Box(
-                modifier = modifier.width(60.dp).height(90.dp)
+                modifier = modifier.width(w).height(h)
                     .shadow(2.dp, RoundedCornerShape(6.dp))
                     .clip(RoundedCornerShape(6.dp))
                     .background(Brush.verticalGradient(listOf(Color(0xFF2E7D32), Color(0xFF1B5E20))))
@@ -426,7 +433,7 @@ fun CardBack(modifier: Modifier = Modifier, theme: CardTheme = LocalCardTheme.cu
         }
         CardTheme.OCEAN -> {
             Box(
-                modifier = modifier.width(60.dp).height(90.dp)
+                modifier = modifier.width(w).height(h)
                     .shadow(3.dp, RoundedCornerShape(10.dp))
                     .clip(RoundedCornerShape(10.dp))
                     .background(Brush.verticalGradient(listOf(Color(0xFF0277BD), Color(0xFF00BCD4))))
diff --git a/app/src/main/java/com/unogame/ui/components/PlayerHand.kt b/app/src/main/java/com/unogame/ui/components/PlayerHand.kt
index 6b1c8cd..867a57d 100644
--- a/app/src/main/java/com/unogame/ui/components/PlayerHand.kt
+++ b/app/src/main/java/com/unogame/ui/components/PlayerHand.kt
@@ -14,6 +14,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.unogame.model.Card
 import com.unogame.model.CardColor
+import com.unogame.ui.theme.LocalCardScale
 
 @Composable
 fun PlayerHand(
@@ -25,6 +26,7 @@ fun PlayerHand(
     modifier: Modifier = Modifier
 ) {
     val scrollState = rememberScrollState()
+    val cardScale = LocalCardScale.current
 
     Column(modifier = modifier) {
         Text(
@@ -45,6 +47,7 @@ fun PlayerHand(
                     card = card,
                     selected = index == selectedIndex,
                     playable = isPlayable,
+                    scale = cardScale,
                     onClick = { onCardClick(index) },
                     modifier = Modifier.padding(horizontal = 2.dp)
                 )
diff --git a/app/src/main/java/com/unogame/ui/screens/GameScreen.kt b/app/src/main/java/com/unogame/ui/screens/GameScreen.kt
index eafd31f..7eee230 100644
--- a/app/src/main/java/com/unogame/ui/screens/GameScreen.kt
+++ b/app/src/main/java/com/unogame/ui/screens/GameScreen.kt
@@ -37,6 +37,7 @@ fun GameScreen(
     onShowLog: () -> Unit = {},
     onPlaySeven: (Int) -> Unit = {},
     isSevenZeroMode: Boolean = false,
+    handOffset: Float = 0f,
     errorMessage: String
 ) {
     val scrollState = rememberScrollState()
@@ -44,6 +45,8 @@ fun GameScreen(
     var showColorPicker by remember { mutableStateOf(false) }
     var selectedAutoCard by remember { mutableIntStateOf(-1) }
     val flipped = gameState.flipped
+    val cardScale = LocalCardScale.current
+    val centerScale = 1.8f  // 弃牌堆/摸牌堆较大的尺寸
 
     val topCard = gameState.topCard
     val currentPlayer = gameState.currentPlayer
@@ -63,7 +66,7 @@ fun GameScreen(
             modifier = Modifier
                 .fillMaxSize()
                 .verticalScroll(scrollState)
-                .padding(top = 24.dp, bottom = 100.dp)
+                .padding(top = 16.dp, bottom = (100f - handOffset).coerceAtLeast(0f).dp)
         ) {
             // 出牌状态条，最多2行
             Box(modifier = Modifier.fillMaxWidth().heightIn(min = 36.dp, max = 56.dp)) {
@@ -144,7 +147,7 @@ fun GameScreen(
                         modifier = Modifier.padding(horizontal = 12.dp, vertical = 6.dp)
                     )
                 }
-                Spacer(modifier = Modifier.height(8.dp))
+            Spacer(modifier = Modifier.height(4.dp))
             }
 
             // Other players
@@ -176,7 +179,7 @@ fun GameScreen(
                 }
             }
 
-            Spacer(modifier = Modifier.height(12.dp))
+            Spacer(modifier = Modifier.height(6.dp))
 
             // Center area: discard pile + draw pile
             Row(
@@ -189,6 +192,7 @@ fun GameScreen(
                 // Draw pile
                 Column(horizontalAlignment = Alignment.CenterHorizontally) {
                     CardBack(
+                        scale = centerScale,
                         modifier = Modifier.clickable(enabled = isMyTurn) {
                             onDrawCard()
                         }
@@ -216,6 +220,7 @@ fun GameScreen(
                                 color = if (gameState.currentWildColor != null && topCard.color == CardColor.WILD)
                                     gameState.currentWildColor!! else displayTop.color
                             ),
+                            scale = centerScale,
                             playable = false
                         )
                     }
@@ -325,6 +330,7 @@ fun GameScreen(
             },
             modifier = Modifier
                 .align(Alignment.BottomCenter)
+                .offset(y = (-handOffset).dp)
                 .fillMaxWidth()
                 .padding(horizontal = 16.dp, vertical = 12.dp)
                 .background(LocalTableBg.current.color.copy(alpha = 0.9f))
diff --git a/app/src/main/java/com/unogame/ui/screens/LocalGameScreen.kt b/app/src/main/java/com/unogame/ui/screens/LocalGameScreen.kt
index 5c9ff5a..1a9c270 100644
--- a/app/src/main/java/com/unogame/ui/screens/LocalGameScreen.kt
+++ b/app/src/main/java/com/unogame/ui/screens/LocalGameScreen.kt
@@ -121,6 +121,7 @@ fun LocalGameScreen(
     humanPlayerName: String,
     mode: GameMode,
     botNames: List<String> = emptyList(),
+    handOffset: Float = 0f,
     onBackToMenu: () -> Unit
 ) {
     val scope = rememberCoroutineScope()
@@ -600,6 +601,7 @@ fun LocalGameScreen(
             myPlayerId = myPlayerId,
             isMyTurn = isMyTurn,
             errorMessage = errorMessage,
+            handOffset = handOffset,
             isSevenZeroMode = mode == GameMode.SEVEN_ZERO,
             onPlayCard = { index -> executePlay(index, selectedWildColor) },
             onPlaySeven = { index -> executePlay(index, null) },
diff --git a/app/src/main/java/com/unogame/ui/screens/SettingsScreen.kt b/app/src/main/java/com/unogame/ui/screens/SettingsScreen.kt
index 84b2e07..b5c1957 100644
--- a/app/src/main/java/com/unogame/ui/screens/SettingsScreen.kt
+++ b/app/src/main/java/com/unogame/ui/screens/SettingsScreen.kt
@@ -41,9 +41,11 @@ fun SettingsScreen(
     currentTheme: CardTheme,
     currentBg: TableBg,
     isLandscape: Boolean,
+    handOffset: Float,
     onNameChanged: (String) -> Unit,
     onSetTheme: (CardTheme) -> Unit,
     onSetBg: (TableBg) -> Unit,
+    onSetHandOffset: (Float) -> Unit,
     onToggleOrientation: () -> Unit,
     onBack: () -> Unit
 ) {
@@ -237,6 +239,37 @@ fun SettingsScreen(
                 onClick = onToggleOrientation
             )
 
+            Spacer(modifier = Modifier.height(12.dp))
+
+            // 手牌区高度调整
+            Card(
+                modifier = Modifier.fillMaxWidth(),
+                shape = RoundedCornerShape(12.dp),
+                colors = CardDefaults.cardColors(containerColor = DarkSurface)
+            ) {
+                Column(modifier = Modifier.padding(horizontal = 16.dp, vertical = 12.dp)) {
+                    Row(verticalAlignment = Alignment.CenterVertically) {
+                        Icon(Icons.Default.UnfoldLess, null, tint = Color.White.copy(alpha = 0.6f), modifier = Modifier.size(20.dp))
+                        Spacer(modifier = Modifier.width(12.dp))
+                        Text("手牌区高度", color = Color.White, fontSize = 15.sp, modifier = Modifier.weight(1f))
+                        Text("${handOffset.toInt()}dp", color = GoldAccent, fontSize = 14.sp)
+                    }
+                    Spacer(modifier = Modifier.height(8.dp))
+                    Slider(
+                        value = handOffset,
+                        onValueChange = { onSetHandOffset(it) },
+                        valueRange = 0f..240f,
+                        steps = 23,
+                        modifier = Modifier.fillMaxWidth(),
+                        colors = SliderDefaults.colors(
+                            thumbColor = GoldAccent,
+                            activeTrackColor = GoldAccent
+                        )
+                    )
+                    Text("贴底 ← → 抬高", color = Color.White.copy(alpha = 0.35f), fontSize = 11.sp)
+                }
+            }
+
             Spacer(modifier = Modifier.height(28.dp))
 
             // About
diff --git a/app/src/main/java/com/unogame/ui/theme/Theme.kt b/app/src/main/java/com/unogame/ui/theme/Theme.kt
index 9479688..7c97359 100644
--- a/app/src/main/java/com/unogame/ui/theme/Theme.kt
+++ b/app/src/main/java/com/unogame/ui/theme/Theme.kt
@@ -1,6 +1,30 @@
 package com.unogame.ui.theme
 
+import android.content.Context
 import androidx.compose.runtime.compositionLocalOf
 
 val LocalCardTheme = compositionLocalOf { CardTheme.ELEGANT }
 val LocalTableBg = compositionLocalOf { TableBg.GREEN }
+val LocalCardScale = compositionLocalOf { 1.0f }
+
+// 手牌缩放：0.5 ~ 1.3，默认 1.0（原始大小）
+fun loadCardScale(context: Context): Float {
+    return context.getSharedPreferences("unogame_prefs", Context.MODE_PRIVATE)
+        .getFloat("card_scale", 1.0f)
+}
+
+fun saveCardScale(context: Context, scale: Float) {
+    context.getSharedPreferences("unogame_prefs", Context.MODE_PRIVATE)
+        .edit().putFloat("card_scale", scale).apply()
+}
+
+// 手牌区高度偏移（dp），越大手牌越靠上。默认 160，范围 0~240
+fun loadHandOffset(context: Context): Float {
+    return context.getSharedPreferences("unogame_prefs", Context.MODE_PRIVATE)
+        .getFloat("hand_offset", 160f)
+}
+
+fun saveHandOffset(context: Context, offset: Float) {
+    context.getSharedPreferences("unogame_prefs", Context.MODE_PRIVATE)
+        .edit().putFloat("hand_offset", offset).apply()
+}