fix: align photo unit prices and update purchase labels

app/src/main/java/com/yzx/kiosk/ui/face/view/FaceRecognitionResultScreen.kt

@@ -149,16 +149,26 @@ fun FaceRecognitionResultScreen(
                 colors = CardDefaults.cardColors(containerColor = Color(0xFFF4F4F4))
             ) {
                 Column(Modifier.fillMaxWidth().padding(24.dp)) {
-                    Text("已选择 ${selectedCount} 张", fontSize = 24.sp, fontWeight = FontWeight.Bold)
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        verticalAlignment = Alignment.CenterVertically,
+                    ) {
+                        Text("已选择 ${selectedCount} 张", fontSize = 24.sp, fontWeight = FontWeight.Bold)
+                        Spacer(Modifier.weight(1f))
+                        Row(
+                            horizontalArrangement = Arrangement.spacedBy(20.dp),
+                            verticalAlignment = Alignment.CenterVertically,
+                        ) {
+                            Text("打印版 ${formatPriceDisplay(pricePerPhoto)}元/张", fontSize = 21.sp)
+                            Text("电子版 ${formatPriceDisplay(electronicPrice)}元/张", fontSize = 21.sp)
+                        }
+                    }
                     Spacer(Modifier.height(16.dp))
                     Row(Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.spacedBy(16.dp)) {
                         PurchaseMode.entries.forEach { mode ->
                             val isPrint = mode == PurchaseMode.PRINT
-                            val unit = if (isPrint) pricePerPhoto else electronicPrice
                             val total = if (isPrint) totalPrice else electronicTotal
                             Column(Modifier.weight(1f)) {
-                                Text("${mode.label} ${formatPriceDisplay(unit)}元/张", fontSize = 21.sp)
-                                Spacer(Modifier.height(12.dp))
                                 Button(
                                     onClick = { viewModel.getPayUrl(mode) { showPayDialog = true } },
                                     enabled = selectedCount > 0 && total != "--" && !creatingOrder && !quoteLoading,
@@ -171,7 +181,7 @@ fun FaceRecognitionResultScreen(
                                 ) {
                                     Text(
                                         text = if (!isPrint && total == "--" && !quoteLoading)
-                                            "电子版暂不可购买" else "支付${mode.label}\n${formatPriceDisplay(total)}元",
+                                            "电子版暂不可购买" else "${if (isPrint) "购买打印照片" else "购买电子照片"}\n${formatPriceDisplay(total)}元",
                                         textAlign = TextAlign.Center,
                                         fontSize = 24.sp,
                                         lineHeight = 32.sp,