diff --git a/app/src/main/java/com/rainy/token/ui/servicedetail/Sub2ApiUsageCard.kt b/app/src/main/java/com/rainy/token/ui/servicedetail/Sub2ApiUsageCard.kt
index 10e3a79..d7b25ff 100644
--- a/app/src/main/java/com/rainy/token/ui/servicedetail/Sub2ApiUsageCard.kt
+++ b/app/src/main/java/com/rainy/token/ui/servicedetail/Sub2ApiUsageCard.kt
@@ -271,15 +271,26 @@ internal fun Sub2ApiUsageCard(
                         )
                     }
 
-                    // 每日明细只在按天且有数据时列出（按小时时逐小时列会过长）
-                    if (!isHourly) {
-                        Spacer(modifier = Modifier.height(12.dp))
-                        Text(
-                            text = stringResource(R.string.sub2_daily_header),
-                            style = MaterialTheme.typography.labelLarge,
-                            color = inkMuted()
-                        )
-                        Spacer(modifier = Modifier.height(6.dp))
+                    // 每日/每小时明细列表
+                    Spacer(modifier = Modifier.height(12.dp))
+                    Text(
+                        text = stringResource(R.string.sub2_daily_header),
+                        style = MaterialTheme.typography.labelLarge,
+                        color = inkMuted()
+                    )
+                    Spacer(modifier = Modifier.height(6.dp))
+                    if (isHourly) {
+                        // 「今天」按小时：倒序展示每小时明细
+                        chartSeries.reversed().forEachIndexed { index, hour ->
+                            DailyRow(hour)
+                            if (index != chartSeries.lastIndex) {
+                                HorizontalDivider(
+                                    modifier = Modifier.padding(vertical = 2.dp),
+                                    color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.4f)
+                                )
+                            }
+                        }
+                    } else {
                         days.reversed().forEachIndexed { index, day ->
                             DailyRow(day)
                             if (index != days.lastIndex) {
@@ -303,17 +314,21 @@ internal fun Sub2ApiUsageCard(
                 HorizontalDivider(color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f))
                 Spacer(modifier = Modifier.height(10.dp))
 
-                // tab 切换：按模型 / 按 Key（文字样式，非按钮）
-                Row(horizontalArrangement = Arrangement.spacedBy(16.dp)) {
-                    FilterChip(
-                        selected = detailTab == DetailTab.MODEL,
-                        onClick = { detailTab = DetailTab.MODEL },
-                        label = { Text(stringResource(R.string.sub2_tab_by_model)) }
+                // tab 切换：按模型 / 按 Key（纯文字 tab，非按钮）
+                Row(horizontalArrangement = Arrangement.spacedBy(20.dp)) {
+                    Text(
+                        text = stringResource(R.string.sub2_tab_by_model),
+                        style = MaterialTheme.typography.labelLarge,
+                        fontWeight = if (detailTab == DetailTab.MODEL) FontWeight.SemiBold else FontWeight.Normal,
+                        color = if (detailTab == DetailTab.MODEL) MaterialTheme.colorScheme.primary else inkMuted(),
+                        modifier = Modifier.clickable { detailTab = DetailTab.MODEL }
                     )
-                    FilterChip(
-                        selected = detailTab == DetailTab.KEY,
-                        onClick = { detailTab = DetailTab.KEY },
-                        label = { Text(stringResource(R.string.sub2_tab_by_key)) }
+                    Text(
+                        text = stringResource(R.string.sub2_tab_by_key),
+                        style = MaterialTheme.typography.labelLarge,
+                        fontWeight = if (detailTab == DetailTab.KEY) FontWeight.SemiBold else FontWeight.Normal,
+                        color = if (detailTab == DetailTab.KEY) MaterialTheme.colorScheme.primary else inkMuted(),
+                        modifier = Modifier.clickable { detailTab = DetailTab.KEY }
                     )
                 }
                 Spacer(modifier = Modifier.height(12.dp))
@@ -321,14 +336,6 @@ internal fun Sub2ApiUsageCard(
                 if (detailTab == DetailTab.KEY) {
                     KeyUsageSection(keyStatsState)
                 } else {
-                    Text(
-                        text = stringResource(R.string.sub2_models_header) +
-                            if (windowStatsAllTime) stringResource(R.string.sub2_models_alltime_suffix) else "",
-                        style = MaterialTheme.typography.labelLarge,
-                        color = inkMuted()
-                    )
-                    Spacer(modifier = Modifier.height(8.dp))
-
                     // 模型筛选 chips（按当前周期内有数据的模型；「全部」时用网关全量）
                     LazyRow(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
                         item {