diff --git a/android/app/src/main/java/com/hyzq/boss/BossUi.java b/android/app/src/main/java/com/hyzq/boss/BossUi.java
index b588fc2..27f5b93 100644
--- a/android/app/src/main/java/com/hyzq/boss/BossUi.java
+++ b/android/app/src/main/java/com/hyzq/boss/BossUi.java
@@ -1145,6 +1145,7 @@ public final class BossUi {
             TextView kindView = new TextView(context);
             kindView.setText(kindLabel);
             kindView.setTextSize(11);
+            kindView.setIncludeFontPadding(false);
             kindView.setTypeface(Typeface.DEFAULT_BOLD);
             kindView.setTextColor(context.getColor(outgoing ? R.color.boss_surface : R.color.boss_text_muted));
             kindView.setPadding(0, 0, 0, dp(context, 6));
@@ -1154,7 +1155,8 @@ public final class BossUi {
         TextView bodyView = new TextView(context);
         bodyView.setText(BossMarkdown.render(context, body, outgoing));
         bodyView.setTextSize(14);
-        bodyView.setLineSpacing(0f, 1.34f);
+        bodyView.setIncludeFontPadding(false);
+        bodyView.setLineSpacing(0f, 1.26f);
         bodyView.setTextColor(context.getColor(outgoing ? R.color.boss_surface : R.color.boss_text_primary));
         bodyView.setMaxWidth(maxBubbleWidth);
         bodyView.setBreakStrategy(Layout.BREAK_STRATEGY_HIGH_QUALITY);
@@ -2275,6 +2277,7 @@ public final class BossUi {
         String metaText = buildMessageMetaText(senderLabel, meta, outgoing);
         metaView.setText(metaText);
         metaView.setTextSize(11);
+        metaView.setIncludeFontPadding(false);
         metaView.setTextColor(context.getColor(R.color.boss_text_soft));
         metaView.setPadding(dp(context, 6), 0, dp(context, 6), dp(context, 4));
         wrapper.addView(metaView);
@@ -2472,6 +2475,7 @@ public final class BossUi {
         String metaText = buildMessageMetaText(senderLabel, meta, outgoing);
         metaView.setText(metaText);
         metaView.setTextSize(11);
+        metaView.setIncludeFontPadding(false);
         metaView.setTextColor(context.getColor(R.color.boss_text_soft));
         metaView.setPadding(dp(context, 6), 0, dp(context, 6), dp(context, 4));
         wrapper.addView(metaView);
diff --git a/android/app/src/main/java/com/hyzq/boss/ProjectDetailActivity.java b/android/app/src/main/java/com/hyzq/boss/ProjectDetailActivity.java
index b719e54..596536e 100644
--- a/android/app/src/main/java/com/hyzq/boss/ProjectDetailActivity.java
+++ b/android/app/src/main/java/com/hyzq/boss/ProjectDetailActivity.java
@@ -1333,16 +1333,16 @@ public class ProjectDetailActivity extends BossScreenActivity {
 
     private Button buildQuickActionButton(String label, boolean highlight) {
         Button button = new Button(this);
-        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0, BossUi.dp(this, 40), 1f);
+        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0, BossUi.dp(this, 36), 1f);
         if (quickActionsLayout.getChildCount() > 0) {
-            params.leftMargin = BossUi.dp(this, 8);
+            params.leftMargin = BossUi.dp(this, 6);
         }
         button.setLayoutParams(params);
         button.setMinWidth(0);
         button.setText(label);
-        button.setTextSize(14);
+        button.setTextSize(13);
         button.setAllCaps(false);
-        button.setPadding(BossUi.dp(this, 12), 0, BossUi.dp(this, 12), 0);
+        button.setPadding(BossUi.dp(this, 10), 0, BossUi.dp(this, 10), 0);
         button.setBackgroundResource(highlight ? R.drawable.bg_primary_button : R.drawable.bg_secondary_button);
         button.setTextColor(getColor(highlight ? R.color.boss_surface : R.color.boss_text_primary));
         return button;
diff --git a/android/app/src/main/res/layout/activity_conversation_info.xml b/android/app/src/main/res/layout/activity_conversation_info.xml
index 72f6f44..addcddd 100644
--- a/android/app/src/main/res/layout/activity_conversation_info.xml
+++ b/android/app/src/main/res/layout/activity_conversation_info.xml
@@ -37,8 +37,11 @@
 
             <TextView
                 android:id="@+id/screen_title"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="会话信息"
                 android:textColor="@color/boss_text_primary"
                 android:textSize="18sp"
@@ -46,9 +49,12 @@
 
             <TextView
                 android:id="@+id/screen_subtitle"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="3dp"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="单线程会话信息页"
                 android:textColor="@color/boss_text_muted"
                 android:textSize="11sp" />
diff --git a/android/app/src/main/res/layout/activity_forward_target.xml b/android/app/src/main/res/layout/activity_forward_target.xml
index e1202bf..e52aab2 100644
--- a/android/app/src/main/res/layout/activity_forward_target.xml
+++ b/android/app/src/main/res/layout/activity_forward_target.xml
@@ -37,8 +37,11 @@
 
             <TextView
                 android:id="@+id/screen_title"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="标题"
                 android:textColor="@color/boss_text_primary"
                 android:textSize="18sp"
@@ -46,9 +49,12 @@
 
             <TextView
                 android:id="@+id/screen_subtitle"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="3dp"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="副标题"
                 android:textColor="@color/boss_text_muted"
                 android:textSize="11sp" />
diff --git a/android/app/src/main/res/layout/activity_group_create.xml b/android/app/src/main/res/layout/activity_group_create.xml
index 81aa0c2..e9a530f 100644
--- a/android/app/src/main/res/layout/activity_group_create.xml
+++ b/android/app/src/main/res/layout/activity_group_create.xml
@@ -37,8 +37,11 @@
 
             <TextView
                 android:id="@+id/screen_title"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="发起群聊"
                 android:textColor="@color/boss_text_primary"
                 android:textSize="18sp"
@@ -46,9 +49,12 @@
 
             <TextView
                 android:id="@+id/screen_subtitle"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="3dp"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="从当前会话选择其他线程"
                 android:textColor="@color/boss_text_muted"
                 android:textSize="11sp" />
diff --git a/android/app/src/main/res/layout/activity_group_info.xml b/android/app/src/main/res/layout/activity_group_info.xml
index 1e655e3..f956f2e 100644
--- a/android/app/src/main/res/layout/activity_group_info.xml
+++ b/android/app/src/main/res/layout/activity_group_info.xml
@@ -37,8 +37,11 @@
 
             <TextView
                 android:id="@+id/screen_title"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="群资料"
                 android:textColor="@color/boss_text_primary"
                 android:textSize="18sp"
@@ -46,9 +49,12 @@
 
             <TextView
                 android:id="@+id/screen_subtitle"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="3dp"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="群聊资料页"
                 android:textColor="@color/boss_text_muted"
                 android:textSize="11sp" />
diff --git a/android/app/src/main/res/layout/activity_project_chat.xml b/android/app/src/main/res/layout/activity_project_chat.xml
index 5f6dbc6..d03161f 100644
--- a/android/app/src/main/res/layout/activity_project_chat.xml
+++ b/android/app/src/main/res/layout/activity_project_chat.xml
@@ -40,6 +40,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:ellipsize="end"
+                android:includeFontPadding="false"
                 android:maxLines="1"
                 android:text="项目详情"
                 android:textColor="@color/boss_text_primary"
@@ -48,9 +49,12 @@
 
             <TextView
                 android:id="@+id/screen_subtitle"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="3dp"
+                android:ellipsize="end"
+                android:includeFontPadding="false"
+                android:maxLines="1"
                 android:text="设备"
                 android:textColor="@color/boss_text_muted"
                 android:textSize="11sp" />
@@ -103,9 +107,9 @@
                     android:background="@color/boss_bg_app"
                     android:orientation="vertical"
                     android:paddingLeft="12dp"
-                    android:paddingTop="10dp"
+                    android:paddingTop="8dp"
                     android:paddingRight="12dp"
-                    android:paddingBottom="12dp">
+                    android:paddingBottom="8dp">
 
                     <LinearLayout
                         android:id="@+id/project_chat_quick_actions"
@@ -137,15 +141,15 @@
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/project_chat_scroll_bottom"
-            android:layout_width="48dp"
-            android:layout_height="48dp"
+            android:layout_width="44dp"
+            android:layout_height="44dp"
             android:layout_gravity="bottom|left"
             android:layout_marginLeft="12dp"
             android:layout_marginBottom="12dp"
             android:background="@drawable/bg_chat_scroll_bottom_button"
             android:contentDescription="回到底部"
             android:elevation="8dp"
-            android:padding="12dp"
+            android:padding="11dp"
             android:scaleType="center"
             android:src="@drawable/ic_boss_arrow_down"
             android:tint="@color/boss_text_primary"
@@ -173,18 +177,18 @@
         android:gravity="bottom"
         android:orientation="horizontal"
         android:paddingLeft="12dp"
-        android:paddingTop="10dp"
+        android:paddingTop="8dp"
         android:paddingRight="12dp"
-        android:paddingBottom="12dp">
+        android:paddingBottom="10dp">
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/project_chat_attach"
-            android:layout_width="48dp"
-            android:layout_height="48dp"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
             android:layout_marginRight="8dp"
             android:background="@drawable/bg_secondary_button"
             android:contentDescription="发送附件"
-            android:padding="12dp"
+            android:padding="10dp"
             android:scaleType="center"
             android:src="@drawable/ic_boss_add"
             android:tint="@color/boss_text_primary" />
@@ -199,23 +203,25 @@
             android:hint="输入消息"
             android:inputType="textCapSentences|textMultiLine"
             android:maxLines="4"
-            android:minHeight="44dp"
-            android:paddingLeft="14dp"
-            android:paddingTop="10dp"
-            android:paddingRight="14dp"
-            android:paddingBottom="10dp"
+            android:minHeight="40dp"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
             android:textColor="@color/boss_text_primary"
-            android:textColorHint="@color/boss_text_muted" />
+            android:textColorHint="@color/boss_text_muted"
+            android:textSize="14sp" />
 
         <Button
             android:id="@+id/project_chat_send"
-            android:layout_width="72dp"
-            android:layout_height="44dp"
+            android:layout_width="68dp"
+            android:layout_height="40dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_primary_button"
             android:text="发送"
             android:textAllCaps="false"
             android:textColor="@color/boss_surface"
+            android:textSize="13sp"
             android:textStyle="bold" />
     </LinearLayout>
 
@@ -227,32 +233,34 @@
         android:gravity="center_vertical"
         android:orientation="horizontal"
         android:paddingLeft="12dp"
-        android:paddingTop="10dp"
+        android:paddingTop="8dp"
         android:paddingRight="12dp"
-        android:paddingBottom="12dp"
+        android:paddingBottom="10dp"
         android:visibility="gone">
 
         <Button
             android:id="@+id/project_chat_multi_copy"
             android:layout_width="0dp"
-            android:layout_height="44dp"
+            android:layout_height="40dp"
             android:layout_marginRight="8dp"
             android:layout_weight="1"
             android:background="@drawable/bg_secondary_button"
             android:text="复制"
             android:textAllCaps="false"
             android:textColor="@color/boss_text_primary"
+            android:textSize="13sp"
             android:textStyle="bold" />
 
         <Button
             android:id="@+id/project_chat_multi_forward"
             android:layout_width="0dp"
-            android:layout_height="44dp"
+            android:layout_height="40dp"
             android:layout_weight="1"
             android:background="@drawable/bg_primary_button"
             android:text="转发"
             android:textAllCaps="false"
             android:textColor="@color/boss_surface"
+            android:textSize="13sp"
             android:textStyle="bold" />
     </LinearLayout>
 </LinearLayout>
diff --git a/android/app/src/main/res/layout/activity_screen.xml b/android/app/src/main/res/layout/activity_screen.xml
index c08d343..3b850db 100644
--- a/android/app/src/main/res/layout/activity_screen.xml
+++ b/android/app/src/main/res/layout/activity_screen.xml
@@ -40,6 +40,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:ellipsize="end"
+                android:includeFontPadding="false"
                 android:maxLines="1"
                 android:text="标题"
                 android:textColor="@color/boss_text_primary"
@@ -52,6 +53,7 @@
                 android:layout_height="wrap_content"
                 android:layout_marginTop="3dp"
                 android:ellipsize="end"
+                android:includeFontPadding="false"
                 android:maxLines="1"
                 android:text="副标题"
                 android:textColor="@color/boss_text_muted"
diff --git a/android/app/src/test/java/com/hyzq/boss/BossUiMessageBubbleTest.java b/android/app/src/test/java/com/hyzq/boss/BossUiMessageBubbleTest.java
index f8851ba..ce12aa7 100644
--- a/android/app/src/test/java/com/hyzq/boss/BossUiMessageBubbleTest.java
+++ b/android/app/src/test/java/com/hyzq/boss/BossUiMessageBubbleTest.java
@@ -1,5 +1,7 @@
 package com.hyzq.boss;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import android.content.Context;
@@ -38,4 +40,28 @@ public class BossUiMessageBubbleTest {
         assertTrue(bodyView.getText().toString().contains("重点"));
         assertTrue(bodyView.getText().toString().contains("代码"));
     }
+
+    @Test
+    public void buildMessageBubble_usesWechatCompactTextMetrics() {
+        Context context = RuntimeEnvironment.getApplication();
+
+        LinearLayout wrapper = BossUi.buildMessageBubble(
+                context,
+                "线程",
+                "这是一条普通对话内容",
+                "10:26",
+                false,
+                "结果"
+        );
+
+        TextView metaView = (TextView) wrapper.getChildAt(0);
+        LinearLayout bubble = (LinearLayout) wrapper.getChildAt(1);
+        TextView kindView = (TextView) bubble.getChildAt(0);
+        TextView bodyView = (TextView) bubble.getChildAt(1);
+
+        assertFalse("消息时间/发送人不应保留默认字体留白", metaView.getIncludeFontPadding());
+        assertFalse("消息类型标签不应保留默认字体留白", kindView.getIncludeFontPadding());
+        assertFalse("消息正文不应保留默认字体留白", bodyView.getIncludeFontPadding());
+        assertEquals("消息正文应对标微信聊天正文", 14f, bodyView.getTextSize() / context.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+    }
 }
diff --git a/android/app/src/test/java/com/hyzq/boss/ProjectDetailActivityUiTest.java b/android/app/src/test/java/com/hyzq/boss/ProjectDetailActivityUiTest.java
index bac5c67..8d2be64 100644
--- a/android/app/src/test/java/com/hyzq/boss/ProjectDetailActivityUiTest.java
+++ b/android/app/src/test/java/com/hyzq/boss/ProjectDetailActivityUiTest.java
@@ -12,6 +12,7 @@ import android.content.SharedPreferences;
 import android.graphics.drawable.ColorDrawable;
 import android.content.res.ColorStateList;
 import android.graphics.drawable.GradientDrawable;
+import android.text.TextUtils;
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
@@ -47,6 +48,49 @@ import java.util.function.BooleanSupplier;
 @RunWith(RobolectricTestRunner.class)
 @Config(sdk = 34)
 public class ProjectDetailActivityUiTest {
+    @Test
+    public void chatSubpageTypographyUsesWechatCompactSizing() {
+        Intent intent = new Intent()
+                .putExtra(ProjectDetailActivity.EXTRA_PROJECT_ID, "project-1")
+                .putExtra(ProjectDetailActivity.EXTRA_PROJECT_NAME, "北区试产线回归");
+        TestProjectDetailActivity activity = Robolectric
+                .buildActivity(TestProjectDetailActivity.class, intent)
+                .setup()
+                .get();
+
+        LinearLayout topBar = activity.findViewById(R.id.screen_top_bar);
+        TextView title = activity.findViewById(R.id.screen_title);
+        TextView subtitle = activity.findViewById(R.id.screen_subtitle);
+        LinearLayout quickActions = activity.findViewById(R.id.project_chat_quick_actions);
+        ImageButton attachButton = activity.findViewById(R.id.project_chat_attach);
+        EditText input = activity.findViewById(R.id.project_chat_input);
+        Button sendButton = activity.findViewById(R.id.project_chat_send);
+        ReflectionHelpers.callInstanceMethod(activity, "renderQuickActions");
+
+        assertEquals("聊天子页面顶部栏左侧留白应和首页一致", BossUi.dp(activity, 16), topBar.getPaddingLeft());
+        assertFalse("聊天子页面标题不应保留 TextView 默认额外字体留白", title.getIncludeFontPadding());
+        assertFalse("聊天子页面副标题不应保留 TextView 默认额外字体留白", subtitle.getIncludeFontPadding());
+        assertEquals("聊天子页面标题不应换行撑高顶部栏", 1, title.getMaxLines());
+        assertEquals("聊天子页面副标题不应换行撑高顶部栏", 1, subtitle.getMaxLines());
+        assertEquals("聊天子页面副标题过长时应单行省略", TextUtils.TruncateAt.END, subtitle.getEllipsize());
+        assertEquals("聊天子页面标题应对标微信页面标题", 18f, title.getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+        assertEquals("聊天子页面副标题应对标微信辅助说明", 11f, subtitle.getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+
+        assertTrue("聊天子页面应渲染项目目标/版本记录按钮", quickActions.getChildCount() >= 2);
+        Button goalsButton = (Button) quickActions.getChildAt(0);
+        Button versionsButton = (Button) quickActions.getChildAt(1);
+        assertEquals("聊天子页面快捷按钮高度不应继续使用旧的大按钮", BossUi.dp(activity, 36), goalsButton.getLayoutParams().height);
+        assertEquals("聊天子页面快捷按钮文字应对标微信按钮字号", 13f, goalsButton.getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+        assertEquals("聊天子页面快捷按钮高度应统一", BossUi.dp(activity, 36), versionsButton.getLayoutParams().height);
+
+        assertEquals("聊天输入附件按钮不应继续使用 48dp 大图标", BossUi.dp(activity, 40), attachButton.getLayoutParams().width);
+        assertEquals("聊天输入附件按钮不应继续使用 48dp 大图标", BossUi.dp(activity, 40), attachButton.getLayoutParams().height);
+        assertTrue("聊天输入框最小高度不应继续撑大底部输入区", input.getMinHeight() <= BossUi.dp(activity, 40));
+        assertEquals("聊天输入框字号应和微信输入区一致", 14f, input.getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+        assertEquals("发送按钮高度应和输入框一致", BossUi.dp(activity, 40), sendButton.getLayoutParams().height);
+        assertEquals("发送按钮字号应对标微信按钮字号", 13f, sendButton.getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+    }
+
     @Test
     public void typingAtInComposerShowsAgentMentionSuggestions() {
         Intent intent = new Intent()
@@ -486,8 +530,8 @@ public class ProjectDetailActivityUiTest {
 
         assertTrue(attachView instanceof ImageButton);
         ViewGroup.LayoutParams params = attachView.getLayoutParams();
-        assertTrue(params.width >= BossUi.dp(activity, 46));
-        assertTrue(params.height >= BossUi.dp(activity, 46));
+        assertEquals(BossUi.dp(activity, 40), params.width);
+        assertEquals(BossUi.dp(activity, 40), params.height);
     }
 
     @Test
@@ -517,8 +561,8 @@ public class ProjectDetailActivityUiTest {
         assertTrue((params.gravity & Gravity.LEFT) == Gravity.LEFT || (params.gravity & Gravity.START) == Gravity.START);
         assertEquals(BossUi.dp(activity, 12), params.leftMargin);
         assertTrue(params.bottomMargin >= BossUi.dp(activity, 12));
-        assertEquals(BossUi.dp(activity, 48), params.width);
-        assertEquals(BossUi.dp(activity, 48), params.height);
+        assertEquals(BossUi.dp(activity, 44), params.width);
+        assertEquals(BossUi.dp(activity, 44), params.height);
 
         int baselineScrollCount = activity.scrollChatToBottomCount;
         shortcutView.performClick();