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 8114b47..b588fc2 100644
--- a/android/app/src/main/java/com/hyzq/boss/BossUi.java
+++ b/android/app/src/main/java/com/hyzq/boss/BossUi.java
@@ -103,12 +103,12 @@ public final class BossUi {
         if (style == TopActionButtonStyle.COMPACT_ICON) {
             button.setBackgroundResource(R.drawable.bg_secondary_button);
             button.setTextColor(context.getColor(R.color.boss_text_primary));
-            button.setTextSize(TypedValue.COMPLEX_UNIT_SP, 20);
-            button.setMinWidth(dp(context, 38));
-            button.setMinimumWidth(dp(context, 38));
-            button.setMinHeight(dp(context, 36));
-            button.setMinimumHeight(dp(context, 36));
-            button.setPadding(dp(context, 12), dp(context, 6), dp(context, 12), dp(context, 6));
+            button.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16);
+            button.setMinWidth(dp(context, 34));
+            button.setMinimumWidth(dp(context, 34));
+            button.setMinHeight(dp(context, 34));
+            button.setMinimumHeight(dp(context, 34));
+            button.setPadding(dp(context, 10), dp(context, 5), dp(context, 10), dp(context, 5));
             return;
         }
 
@@ -119,19 +119,19 @@ public final class BossUi {
             button.setBackgroundResource(R.drawable.bg_secondary_button);
             button.setTextColor(context.getColor(R.color.boss_text_primary));
         }
-        button.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14);
+        button.setTextSize(TypedValue.COMPLEX_UNIT_SP, 13);
         button.setMinWidth(0);
         button.setMinimumWidth(0);
         button.setMinHeight(0);
         button.setMinimumHeight(0);
-        button.setPadding(dp(context, 12), dp(context, 8), dp(context, 12), dp(context, 8));
+        button.setPadding(dp(context, 10), dp(context, 7), dp(context, 10), dp(context, 7));
     }
 
     public static void applyTopIconButtonStyle(Context context, ImageButton button) {
         button.setBackgroundResource(R.drawable.bg_top_icon_button);
-        button.setMinimumWidth(dp(context, 36));
-        button.setMinimumHeight(dp(context, 36));
-        button.setPadding(dp(context, 7), dp(context, 7), dp(context, 7), dp(context, 7));
+        button.setMinimumWidth(dp(context, 34));
+        button.setMinimumHeight(dp(context, 34));
+        button.setPadding(dp(context, 6), dp(context, 6), dp(context, 6), dp(context, 6));
         ImageViewCompat.setImageTintList(button, ColorStateList.valueOf(context.getColor(R.color.boss_text_primary)));
     }
 
@@ -237,7 +237,7 @@ public final class BossUi {
         );
         params.bottomMargin = dp(context, 1);
         row.setLayoutParams(params);
-        row.setPadding(dp(context, 14), dp(context, 10), dp(context, 14), dp(context, 10));
+        row.setPadding(dp(context, 12), dp(context, 9), dp(context, 12), dp(context, 9));
         row.setBackgroundResource(R.drawable.bg_list_row);
         if (listener != null) {
             row.setClickable(true);
@@ -256,7 +256,7 @@ public final class BossUi {
 
         TextView titleView = new TextView(context);
         titleView.setText(title);
-        titleView.setTextSize(16);
+        titleView.setTextSize(14);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
         titleView.setTextColor(context.getColor(R.color.boss_text_primary));
         textWrap.addView(titleView);
@@ -264,7 +264,7 @@ public final class BossUi {
         if (!TextUtils.isEmpty(subtitle)) {
             TextView subtitleView = new TextView(context);
             subtitleView.setText(subtitle);
-            subtitleView.setTextSize(13);
+            subtitleView.setTextSize(12);
             subtitleView.setTextColor(context.getColor(R.color.boss_text_muted));
             subtitleView.setPadding(0, dp(context, 4), 0, 0);
             textWrap.addView(subtitleView);
@@ -288,7 +288,7 @@ public final class BossUi {
         if (!TextUtils.isEmpty(badge)) {
             TextView badgeView = new TextView(context);
             badgeView.setText(badge);
-            badgeView.setTextSize(12);
+            badgeView.setTextSize(10);
             badgeView.setTextColor(context.getColor(R.color.boss_green));
             badgeView.setBackgroundResource(R.drawable.bg_tab_active);
             badgeView.setPadding(dp(context, 8), dp(context, 2), dp(context, 8), dp(context, 2));
@@ -298,7 +298,7 @@ public final class BossUi {
         if (listener != null) {
             TextView arrowView = new TextView(context);
             arrowView.setText("›");
-            arrowView.setTextSize(18);
+            arrowView.setTextSize(14);
             arrowView.setTextColor(context.getColor(R.color.boss_text_soft));
             arrowView.setPadding(dp(context, 10), dp(context, 4), 0, 0);
             accessoryWrap.addView(arrowView);
@@ -337,7 +337,7 @@ public final class BossUi {
 
         TextView titleView = new TextView(context);
         titleView.setText(title);
-        titleView.setTextSize(18);
+        titleView.setTextSize(14);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
         titleView.setTextColor(context.getColor(R.color.boss_text_primary));
 
@@ -349,7 +349,7 @@ public final class BossUi {
 
         TextView metaView = new TextView(context);
         metaView.setText(meta);
-        metaView.setTextSize(12);
+        metaView.setTextSize(11);
         metaView.setTextColor(context.getColor(R.color.boss_text_muted));
         metaView.setPadding(0, dp(context, 10), 0, 0);
 
@@ -380,7 +380,7 @@ public final class BossUi {
         LinearLayout row = buildListRow(context, title, subtitle, meta, badge, listener);
         row.setBackgroundColor(Color.WHITE);
         row.setElevation(0f);
-        row.setPadding(dp(context, 14), dp(context, 10), dp(context, 14), dp(context, 10));
+        row.setPadding(dp(context, 12), dp(context, 9), dp(context, 12), dp(context, 9));
         return row;
     }
 
@@ -399,7 +399,7 @@ public final class BossUi {
         );
         row.setLayoutParams(params);
         row.setBackgroundColor(Color.WHITE);
-        row.setPadding(dp(context, 14), dp(context, 10), dp(context, 14), dp(context, 10));
+        row.setPadding(dp(context, 12), dp(context, 9), dp(context, 12), dp(context, 9));
 
         LinearLayout textWrap = new LinearLayout(context);
         textWrap.setOrientation(LinearLayout.VERTICAL);
@@ -411,7 +411,7 @@ public final class BossUi {
 
         TextView titleView = new TextView(context);
         titleView.setText(title);
-        titleView.setTextSize(16);
+        titleView.setTextSize(14);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
         titleView.setTextColor(context.getColor(R.color.boss_text_primary));
         textWrap.addView(titleView);
@@ -419,7 +419,7 @@ public final class BossUi {
         if (!TextUtils.isEmpty(subtitle)) {
             TextView subtitleView = new TextView(context);
             subtitleView.setText(subtitle);
-            subtitleView.setTextSize(13);
+            subtitleView.setTextSize(12);
             subtitleView.setTextColor(context.getColor(R.color.boss_text_muted));
             subtitleView.setPadding(0, dp(context, 4), 0, 0);
             textWrap.addView(subtitleView);
@@ -456,19 +456,19 @@ public final class BossUi {
         );
         params.bottomMargin = dp(context, 10);
         card.setLayoutParams(params);
-        card.setPadding(dp(context, 16), dp(context, 14), dp(context, 16), dp(context, 14));
+        card.setPadding(dp(context, 14), dp(context, 12), dp(context, 14), dp(context, 12));
         card.setBackgroundColor(Color.WHITE);
         card.setElevation(0f);
 
         TextView avatar = new TextView(context);
-        LinearLayout.LayoutParams avatarParams = new LinearLayout.LayoutParams(dp(context, 56), dp(context, 56));
+        LinearLayout.LayoutParams avatarParams = new LinearLayout.LayoutParams(dp(context, 52), dp(context, 52));
         avatar.setLayoutParams(avatarParams);
         avatar.setGravity(Gravity.CENTER);
         avatar.setText(firstLetter(name));
-        avatar.setTextSize(24);
+        avatar.setTextSize(18);
         avatar.setTypeface(Typeface.DEFAULT_BOLD);
         avatar.setTextColor(context.getColor(R.color.boss_green));
-        avatar.setBackground(createRoundedBackground(Color.parseColor("#DFF3E8"), dp(context, 28)));
+        avatar.setBackground(createRoundedBackground(Color.parseColor("#DFF3E8"), dp(context, 26)));
         card.addView(avatar);
 
         LinearLayout textWrap = new LinearLayout(context);
@@ -483,14 +483,14 @@ public final class BossUi {
 
         TextView titleView = new TextView(context);
         titleView.setText(TextUtils.isEmpty(name) ? "我的" : name);
-        titleView.setTextSize(20);
+        titleView.setTextSize(18);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
         titleView.setTextColor(context.getColor(R.color.boss_text_primary));
         textWrap.addView(titleView);
 
         TextView subtitleView = new TextView(context);
         subtitleView.setText(subtitle);
-        subtitleView.setTextSize(13);
+        subtitleView.setTextSize(12);
         subtitleView.setTextColor(context.getColor(R.color.boss_text_muted));
         subtitleView.setPadding(0, dp(context, 5), 0, 0);
         textWrap.addView(subtitleView);
@@ -524,7 +524,7 @@ public final class BossUi {
         params.rightMargin = dp(context, 12);
         params.bottomMargin = dp(context, 10);
         cell.setLayoutParams(params);
-        cell.setPadding(dp(context, 16), dp(context, 14), dp(context, 16), dp(context, 14));
+        cell.setPadding(dp(context, 14), dp(context, 12), dp(context, 14), dp(context, 12));
         cell.setBackground(createRoundedBackground(Color.WHITE, dp(context, 18)));
 
         TextView labelView = new TextView(context);
@@ -569,7 +569,7 @@ public final class BossUi {
         params.rightMargin = dp(context, 12);
         params.bottomMargin = dp(context, 1);
         card.setLayoutParams(params);
-        card.setPadding(dp(context, 12), dp(context, 10), dp(context, 12), dp(context, 10));
+        card.setPadding(dp(context, 12), dp(context, 9), dp(context, 12), dp(context, 9));
         card.setBackgroundColor(Color.WHITE);
         card.setElevation(0f);
         if (listener != null) {
@@ -582,15 +582,15 @@ public final class BossUi {
         }
 
         FrameLayout avatarWrap = new FrameLayout(context);
-        LinearLayout.LayoutParams avatarWrapParams = new LinearLayout.LayoutParams(dp(context, 48), dp(context, 48));
+        LinearLayout.LayoutParams avatarWrapParams = new LinearLayout.LayoutParams(dp(context, 44), dp(context, 44));
         avatarWrap.setLayoutParams(avatarWrapParams);
 
         TextView avatar = new TextView(context);
-        FrameLayout.LayoutParams avatarParams = new FrameLayout.LayoutParams(dp(context, 44), dp(context, 44));
+        FrameLayout.LayoutParams avatarParams = new FrameLayout.LayoutParams(dp(context, 40), dp(context, 40));
         avatar.setLayoutParams(avatarParams);
         avatar.setGravity(Gravity.CENTER);
         avatar.setText(firstLetter(firstNonEmpty(row.avatarLabel, row.title, "设")));
-        avatar.setTextSize(18);
+        avatar.setTextSize(16);
         avatar.setTypeface(Typeface.DEFAULT_BOLD);
         avatar.setTextColor(resolveDeviceAccentColor(row.statusKey));
         avatar.setBackground(createRoundedBackground(resolveDeviceAvatarBackground(row.statusKey), dp(context, 18)));
@@ -617,7 +617,7 @@ public final class BossUi {
 
         TextView titleView = new TextView(context);
         titleView.setText(TextUtils.isEmpty(row.title) ? "设备" : row.title);
-        titleView.setTextSize(16);
+        titleView.setTextSize(14);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
         titleView.setTextColor(context.getColor(R.color.boss_text_primary));
         titleView.setMaxLines(1);
@@ -647,7 +647,7 @@ public final class BossUi {
         if (listener != null) {
             TextView arrowView = new TextView(context);
             arrowView.setText("›");
-            arrowView.setTextSize(18);
+            arrowView.setTextSize(14);
             arrowView.setTextColor(context.getColor(R.color.boss_text_soft));
             arrowView.setPadding(dp(context, 8), 0, 0, 0);
             card.addView(arrowView);
@@ -671,12 +671,12 @@ public final class BossUi {
         params.rightMargin = dp(context, 12);
         params.bottomMargin = dp(context, 12);
         card.setLayoutParams(params);
-        card.setPadding(dp(context, 16), dp(context, 16), dp(context, 16), dp(context, 16));
+        card.setPadding(dp(context, 14), dp(context, 14), dp(context, 14), dp(context, 14));
         card.setBackground(createRoundedBackground(Color.parseColor("#E7F5ED"), dp(context, 18)));
 
         TextView titleView = new TextView(context);
         titleView.setText(title);
-        titleView.setTextSize(16);
+        titleView.setTextSize(14);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
         titleView.setTextColor(context.getColor(R.color.boss_text_primary));
         card.addView(titleView);
@@ -720,7 +720,7 @@ public final class BossUi {
                     1f
             );
             if (i > 0) {
-                buttonParams.leftMargin = dp(context, 8);
+                buttonParams.leftMargin = dp(context, 6);
             }
             button.setLayoutParams(buttonParams);
             row.addView(button);
@@ -732,8 +732,8 @@ public final class BossUi {
         Button button = new Button(context);
         button.setText(label);
         button.setAllCaps(false);
-        button.setTextSize(13);
-        button.setPadding(dp(context, 10), dp(context, 10), dp(context, 10), dp(context, 10));
+        button.setTextSize(12);
+        button.setPadding(dp(context, 9), dp(context, 8), dp(context, 9), dp(context, 8));
         button.setTextColor(context.getColor(primary ? R.color.boss_surface : R.color.boss_green));
         button.setBackgroundResource(primary ? R.drawable.bg_primary_button : R.drawable.bg_secondary_button);
         return button;
@@ -774,7 +774,7 @@ public final class BossUi {
         );
         params.bottomMargin = dp(context, 1);
         card.setLayoutParams(params);
-        card.setPadding(dp(context, 14), dp(context, 8), dp(context, 14), dp(context, 8));
+        card.setPadding(dp(context, 12), dp(context, 6), dp(context, 12), dp(context, 6));
         card.setBackgroundColor(highlighted ? Color.parseColor("#EAF8F0") : row.pinnedConversation ? PINNED_ROW_BG : Color.WHITE);
         card.setElevation(0f);
         if (listener != null) {
@@ -795,13 +795,13 @@ public final class BossUi {
                 LinearLayout.LayoutParams.WRAP_CONTENT,
                 1f
         );
-        centerParams.leftMargin = dp(context, 10);
-        centerParams.rightMargin = dp(context, 8);
+        centerParams.leftMargin = dp(context, 9);
+        centerParams.rightMargin = dp(context, 7);
         centerColumn.setLayoutParams(centerParams);
 
         TextView titleView = new TextView(context);
         titleView.setText(TextUtils.isEmpty(row.threadTitle) ? "未命名会话" : row.threadTitle);
-        titleView.setTextSize(15);
+        titleView.setTextSize(14);
         titleView.setIncludeFontPadding(false);
         titleView.setGravity(Gravity.CENTER_VERTICAL);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
@@ -810,13 +810,13 @@ public final class BossUi {
         titleView.setEllipsize(TextUtils.TruncateAt.END);
         titleView.setLayoutParams(new LinearLayout.LayoutParams(
                 LinearLayout.LayoutParams.MATCH_PARENT,
-                dp(context, 22)
+                dp(context, 20)
         ));
         centerColumn.addView(titleView);
 
         TextView previewView = new TextView(context);
         previewView.setText(buildConversationPreviewText(row.folderLabel, row.lastMessagePreview));
-        previewView.setTextSize(12);
+        previewView.setTextSize(11);
         previewView.setIncludeFontPadding(false);
         previewView.setGravity(Gravity.CENTER_VERTICAL);
         previewView.setTextColor(context.getColor(R.color.boss_text_soft));
@@ -825,7 +825,7 @@ public final class BossUi {
         previewView.setEllipsize(TextUtils.TruncateAt.END);
         previewView.setLayoutParams(new LinearLayout.LayoutParams(
                 LinearLayout.LayoutParams.MATCH_PARENT,
-                dp(context, 20)
+                dp(context, 18)
         ));
         centerColumn.addView(previewView);
 
@@ -1090,7 +1090,7 @@ public final class BossUi {
 
         TextView titleView = new TextView(context);
         titleView.setText("暂无内容");
-        titleView.setTextSize(16);
+        titleView.setTextSize(14);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
         titleView.setTextColor(context.getColor(R.color.boss_text_primary));
         card.addView(titleView);
@@ -1153,7 +1153,7 @@ public final class BossUi {
 
         TextView bodyView = new TextView(context);
         bodyView.setText(BossMarkdown.render(context, body, outgoing));
-        bodyView.setTextSize(15);
+        bodyView.setTextSize(14);
         bodyView.setLineSpacing(0f, 1.34f);
         bodyView.setTextColor(context.getColor(outgoing ? R.color.boss_surface : R.color.boss_text_primary));
         bodyView.setMaxWidth(maxBubbleWidth);
@@ -1225,7 +1225,7 @@ public final class BossUi {
         header.addView(titleView);
 
         TextView arrowView = new TextView(context);
-        arrowView.setTextSize(16);
+        arrowView.setTextSize(14);
         arrowView.setTypeface(Typeface.DEFAULT_BOLD);
         arrowView.setTextColor(context.getColor(R.color.boss_text_muted));
         arrowView.setPadding(dp(context, 8), 0, 0, 0);
@@ -1332,7 +1332,7 @@ public final class BossUi {
         titleRow.addView(title);
         TextView pin = new TextView(context);
         pin.setText("◆");
-        pin.setTextSize(18);
+        pin.setTextSize(14);
         pin.setTextColor(Color.parseColor("#9AA09D"));
         titleRow.addView(pin);
         card.addView(titleRow);
@@ -1940,7 +1940,7 @@ public final class BossUi {
         check.setLayoutParams(checkParams);
         check.setGravity(Gravity.CENTER);
         check.setText("✓");
-        check.setTextSize(15);
+        check.setTextSize(12);
         check.setTypeface(Typeface.DEFAULT_BOLD);
         int color = "failed".equals(status) ? Color.parseColor("#E44B4B") :
                 "running".equals(status) ? Color.parseColor("#1EC76F") : Color.parseColor("#9AA09D");
@@ -1953,7 +1953,7 @@ public final class BossUi {
         bodyParams.leftMargin = dp(context, 12);
         body.setLayoutParams(bodyParams);
         body.setText(text);
-        body.setTextSize(18);
+        body.setTextSize(14);
         body.setLineSpacing(0f, 1.22f);
         body.setTextColor(context.getColor(R.color.boss_text_primary));
         row.addView(body);
@@ -1976,7 +1976,7 @@ public final class BossUi {
     private static TextView sectionTitle(Context context, String text) {
         TextView view = new TextView(context);
         view.setText(text);
-        view.setTextSize(17);
+        view.setTextSize(14);
         view.setTypeface(Typeface.DEFAULT_BOLD);
         view.setTextColor(Color.parseColor("#8B918F"));
         return view;
@@ -2003,20 +2003,20 @@ public final class BossUi {
         TextView icon = new TextView(context);
         icon.setText(iconText);
         icon.setGravity(Gravity.CENTER);
-        icon.setTextSize(18);
+        icon.setTextSize(15);
         icon.setTextColor(muted ? Color.parseColor("#9AA09D") : context.getColor(R.color.boss_text_primary));
         row.addView(icon, new LinearLayout.LayoutParams(dp(context, 34), LinearLayout.LayoutParams.WRAP_CONTENT));
 
         TextView labelView = new TextView(context);
         labelView.setText(label);
-        labelView.setTextSize(17);
+        labelView.setTextSize(14);
         labelView.setTextColor(muted ? Color.parseColor("#8B918F") : context.getColor(R.color.boss_text_primary));
         row.addView(labelView, new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 1f));
 
         if (!TextUtils.isEmpty(value)) {
             TextView valueView = new TextView(context);
             valueView.setText(value);
-            valueView.setTextSize(16);
+            valueView.setTextSize(13);
             valueView.setTextColor(valueIsChange ? Color.parseColor("#00A94F") : context.getColor(R.color.boss_text_muted));
             row.addView(valueView);
         }
@@ -2032,13 +2032,13 @@ public final class BossUi {
         TextView icon = new TextView(context);
         icon.setText("⊞");
         icon.setGravity(Gravity.CENTER);
-        icon.setTextSize(18);
+        icon.setTextSize(15);
         icon.setTextColor(context.getColor(R.color.boss_text_primary));
         row.addView(icon, new LinearLayout.LayoutParams(dp(context, 34), LinearLayout.LayoutParams.WRAP_CONTENT));
 
         TextView labelView = new TextView(context);
         labelView.setText("变更");
-        labelView.setTextSize(17);
+        labelView.setTextSize(14);
         labelView.setTextColor(context.getColor(R.color.boss_text_primary));
         row.addView(labelView, new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 1f));
 
@@ -2046,7 +2046,7 @@ public final class BossUi {
         if (additions > 0) {
             TextView additionsView = new TextView(context);
             additionsView.setText("+" + String.format(Locale.US, "%,d", additions));
-            additionsView.setTextSize(16);
+            additionsView.setTextSize(13);
             additionsView.setTextColor(Color.parseColor("#00A94F"));
             row.addView(additionsView);
         }
@@ -2054,7 +2054,7 @@ public final class BossUi {
         if (deletions > 0) {
             TextView deletionsView = new TextView(context);
             deletionsView.setText("-" + String.format(Locale.US, "%,d", deletions));
-            deletionsView.setTextSize(16);
+            deletionsView.setTextSize(13);
             deletionsView.setTextColor(Color.parseColor("#C52828"));
             LinearLayout.LayoutParams deletionParams = new LinearLayout.LayoutParams(
                     LinearLayout.LayoutParams.WRAP_CONTENT,
@@ -2148,7 +2148,7 @@ public final class BossUi {
             icon.setLayoutParams(iconParams);
             icon.setGravity(Gravity.CENTER);
             icon.setText("文");
-            icon.setTextSize(15);
+            icon.setTextSize(13);
             icon.setTypeface(Typeface.DEFAULT_BOLD);
             icon.setTextColor(context.getColor(R.color.boss_green));
             icon.setBackground(createRoundedBackground(Color.parseColor("#E8F6ED"), dp(context, 12)));
@@ -2298,7 +2298,7 @@ public final class BossUi {
 
         TextView titleView = new TextView(context);
         titleView.setText(TextUtils.isEmpty(cardTitle) ? "聊天记录" : cardTitle);
-        titleView.setTextSize(15);
+        titleView.setTextSize(13);
         titleView.setTypeface(Typeface.DEFAULT_BOLD);
         titleView.setTextColor(context.getColor(R.color.boss_text_primary));
         titleView.setPadding(0, dp(context, 6), 0, 0);
@@ -2495,7 +2495,7 @@ public final class BossUi {
     private static TextView buildAttachmentPrimaryText(Context context, String text) {
         TextView primary = new TextView(context);
         primary.setText(TextUtils.isEmpty(text) ? "未命名附件" : text);
-        primary.setTextSize(15);
+        primary.setTextSize(13);
         primary.setTypeface(Typeface.DEFAULT_BOLD);
         primary.setTextColor(context.getColor(R.color.boss_text_primary));
         primary.setMaxLines(2);
@@ -2506,7 +2506,7 @@ public final class BossUi {
     private static TextView buildAttachmentSecondaryText(Context context, String text) {
         TextView secondary = new TextView(context);
         secondary.setText(TextUtils.isEmpty(text) ? "已发送" : text);
-        secondary.setTextSize(13);
+        secondary.setTextSize(11);
         secondary.setTextColor(context.getColor(R.color.boss_text_muted));
         secondary.setPadding(0, dp(context, 6), 0, 0);
         return secondary;
@@ -2560,29 +2560,29 @@ public final class BossUi {
                     firstNonEmpty(row.avatarPrimary, row.threadTitle, "会"),
                     AVATAR_BG_COLORS[0],
                     Color.WHITE,
-                    44
+                    40
             );
         }
 
         FrameLayout groupWrap = new FrameLayout(context);
-        LinearLayout.LayoutParams wrapParams = new LinearLayout.LayoutParams(dp(context, 44), dp(context, 44));
+        LinearLayout.LayoutParams wrapParams = new LinearLayout.LayoutParams(dp(context, 40), dp(context, 40));
         groupWrap.setLayoutParams(wrapParams);
 
-        GradientDrawable bg = createRoundedBackground(Color.parseColor("#F2F6F3"), dp(context, 15));
+        GradientDrawable bg = createRoundedBackground(Color.parseColor("#F2F6F3"), dp(context, 14));
         bg.setStroke(dp(context, 1), Color.parseColor("#E5ECE7"));
         groupWrap.setBackground(bg);
 
         int visibleCount = Math.min(row.groupAvatarMembers.length, 4);
         if (visibleCount == 0) {
-            groupWrap.addView(buildCenteredAvatarTile(context, "群", AVATAR_BG_COLORS[1], 28, 8, 8));
+            groupWrap.addView(buildCenteredAvatarTile(context, "群", AVATAR_BG_COLORS[1], 26, 7, 7));
             return groupWrap;
         }
 
         int[][] offsets = {
                 {4, 4},
-                {22, 4},
-                {4, 22},
-                {22, 22}
+                {21, 4},
+                {4, 21},
+                {21, 21}
         };
         for (int i = 0; i < visibleCount; i++) {
             WechatSurfaceMapper.GroupAvatarMember member = row.groupAvatarMembers[i];
@@ -2590,7 +2590,7 @@ public final class BossUi {
                     context,
                     firstNonEmpty(member.avatarLabel, member.title, "群"),
                     AVATAR_BG_COLORS[(i + 1) % AVATAR_BG_COLORS.length],
-                    18,
+                    16,
                     offsets[i][0],
                     offsets[i][1]
             ));
@@ -2610,7 +2610,7 @@ public final class BossUi {
         avatarView.setLayoutParams(avatarParams);
         avatarView.setGravity(Gravity.CENTER);
         avatarView.setText(firstLetter(labelSource));
-        avatarView.setTextSize(sizeDp >= 44 ? 18 : 10);
+        avatarView.setTextSize(sizeDp >= 40 ? 16 : 9);
         avatarView.setTypeface(Typeface.DEFAULT_BOLD);
         avatarView.setTextColor(textColor);
         avatarView.setBackground(createRoundedBackground(backgroundColor, dp(context, sizeDp / 2)));
diff --git a/android/app/src/main/java/com/hyzq/boss/MainActivity.java b/android/app/src/main/java/com/hyzq/boss/MainActivity.java
index aa9dc05..8cef71e 100644
--- a/android/app/src/main/java/com/hyzq/boss/MainActivity.java
+++ b/android/app/src/main/java/com/hyzq/boss/MainActivity.java
@@ -1239,18 +1239,18 @@ public class MainActivity extends AppCompatActivity {
         int color = getColor(active ? R.color.boss_green : R.color.boss_text_muted);
         button.setBackgroundColor(Color.TRANSPARENT);
         button.setTextColor(color);
-        button.setTextSize(11);
+        button.setTextSize(10);
         button.setAllCaps(false);
         button.setGravity(android.view.Gravity.CENTER);
         Drawable topIcon = getDrawable(iconRes);
         if (topIcon != null) {
-            int iconSize = BossUi.dp(this, 20);
+            int iconSize = BossUi.dp(this, 18);
             topIcon.setBounds(0, 0, iconSize, iconSize);
         }
         button.setCompoundDrawables(null, topIcon, null, null);
         button.setCompoundDrawablePadding(BossUi.dp(this, 2));
         button.setCompoundDrawableTintList(ColorStateList.valueOf(color));
-        button.setPadding(0, BossUi.dp(this, 4), 0, BossUi.dp(this, 2));
+        button.setPadding(0, BossUi.dp(this, 3), 0, BossUi.dp(this, 1));
     }
 
     private void configureTopAction(WechatSurfaceMapper.RootTopAction action) {
@@ -1580,14 +1580,14 @@ public class MainActivity extends AppCompatActivity {
         if (count > 0) {
             TextView selectedView = new TextView(this);
             selectedView.setText("已选 " + count + " 个线程");
-            selectedView.setTextSize(13);
+            selectedView.setTextSize(12);
             selectedView.setTextColor(getColor(R.color.boss_text_primary));
             summaryWrap.addView(selectedView);
         }
         if (count < 2) {
             TextView hintView = new TextView(this);
             hintView.setText("至少选择 2 个线程");
-            hintView.setTextSize(12);
+            hintView.setTextSize(11);
             hintView.setTextColor(getColor(R.color.boss_text_muted));
             if (count > 0) {
                 hintView.setPadding(0, BossUi.dp(this, 4), 0, 0);
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 824f279..b719e54 100644
--- a/android/app/src/main/java/com/hyzq/boss/ProjectDetailActivity.java
+++ b/android/app/src/main/java/com/hyzq/boss/ProjectDetailActivity.java
@@ -719,7 +719,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
     private View buildDialogGuardInterventionView(JSONObject payload) {
         LinearLayout card = new LinearLayout(this);
         card.setOrientation(LinearLayout.VERTICAL);
-        int padding = BossUi.dp(this, 18);
+        int padding = BossUi.dp(this, 14);
         card.setPadding(padding, padding, padding, padding);
 
         TextView kicker = new TextView(this);
@@ -730,7 +730,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
 
         TextView title = new TextView(this);
         title.setText(dialogGuardTitle(payload));
-        title.setTextSize(18);
+        title.setTextSize(14);
         title.setTypeface(Typeface.DEFAULT_BOLD);
         title.setTextColor(getColor(R.color.boss_text_primary));
         LinearLayout.LayoutParams titleParams = new LinearLayout.LayoutParams(
@@ -742,7 +742,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
 
         TextView summary = new TextView(this);
         summary.setText(payload.optString("summary", "绑定电脑上有一个弹窗需要你确认。"));
-        summary.setTextSize(15);
+        summary.setTextSize(13);
         summary.setTextColor(getColor(R.color.boss_text_primary));
         summary.setLineSpacing(BossUi.dp(this, 2), 1.0f);
         LinearLayout.LayoutParams summaryParams = new LinearLayout.LayoutParams(
@@ -754,7 +754,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
 
         TextView meta = new TextView(this);
         meta.setText(dialogGuardMeta(payload));
-        meta.setTextSize(13);
+        meta.setTextSize(11);
         meta.setTextColor(getColor(R.color.boss_text_muted));
         LinearLayout.LayoutParams metaParams = new LinearLayout.LayoutParams(
                 LinearLayout.LayoutParams.MATCH_PARENT,
@@ -777,7 +777,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
             Button button = new Button(this);
             button.setAllCaps(false);
             button.setText(dialogGuardDecisionLabel(decision));
-            button.setTextSize(15);
+            button.setTextSize(13);
             button.setTextColor(getColor("deny".equals(decision) || "cancel_task".equals(decision)
                     ? android.R.color.holo_red_dark
                     : R.color.boss_text_primary));
@@ -1436,7 +1436,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
         avatar.setLayoutParams(avatarParams);
         avatar.setGravity(Gravity.CENTER);
         avatar.setText(candidate.label.startsWith("主") ? "主" : "审");
-        avatar.setTextSize(15);
+        avatar.setTextSize(13);
         avatar.setTypeface(Typeface.DEFAULT_BOLD);
         avatar.setTextColor(candidate.label.startsWith("主") ? getColor(R.color.boss_green) : getColor(R.color.boss_text_primary));
         GradientDrawable avatarBg = new GradientDrawable();
@@ -1451,7 +1451,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
 
         TextView title = new TextView(this);
         title.setText(candidate.label);
-        title.setTextSize(16);
+        title.setTextSize(14);
         title.setTypeface(Typeface.DEFAULT_BOLD);
         title.setTextColor(getColor(R.color.boss_text_primary));
         textWrap.addView(title);
@@ -1564,7 +1564,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
 
         TextView title = new TextView(this);
         title.setText("发送附件");
-        title.setTextSize(16);
+        title.setTextSize(14);
         title.setTypeface(android.graphics.Typeface.DEFAULT_BOLD);
         title.setTextColor(getColor(R.color.boss_text_primary));
         title.setPadding(0, 0, 0, BossUi.dp(this, 12));
@@ -1602,7 +1602,7 @@ public class ProjectDetailActivity extends BossScreenActivity {
         button.setGravity(Gravity.CENTER_VERTICAL | Gravity.START);
         button.setPadding(BossUi.dp(this, 16), 0, BossUi.dp(this, 16), 0);
         button.setText(label);
-        button.setTextSize(15);
+        button.setTextSize(13);
         button.setTextColor(getColor(R.color.boss_text_primary));
         button.setOnClickListener(v -> {
             dialog.dismiss();
diff --git a/android/app/src/main/java/com/hyzq/boss/ProjectGoalsActivity.java b/android/app/src/main/java/com/hyzq/boss/ProjectGoalsActivity.java
index 8e7547a..fc5e1ea 100644
--- a/android/app/src/main/java/com/hyzq/boss/ProjectGoalsActivity.java
+++ b/android/app/src/main/java/com/hyzq/boss/ProjectGoalsActivity.java
@@ -242,7 +242,7 @@ public class ProjectGoalsActivity extends BossScreenActivity {
         indicator.setLayoutParams(indicatorParams);
         indicator.setGravity(Gravity.CENTER);
         indicator.setText(completed ? "✓" : "○");
-        indicator.setTextSize(18);
+        indicator.setTextSize(14);
         indicator.setTextColor(getColor(completed ? R.color.boss_green : R.color.boss_text_muted));
         row.addView(indicator);
 
@@ -257,14 +257,14 @@ public class ProjectGoalsActivity extends BossScreenActivity {
 
         TextView title = new TextView(this);
         title.setText(goal.optString("text", "未命名目标"));
-        title.setTextSize(16);
+        title.setTextSize(14);
         title.setTextColor(getColor(R.color.boss_text_primary));
         title.setLineSpacing(0f, 1.2f);
         texts.addView(title);
 
         TextView note = new TextView(this);
         note.setText(goal.optString("note", "暂无备注"));
-        note.setTextSize(13);
+        note.setTextSize(12);
         note.setTextColor(getColor(R.color.boss_text_muted));
         note.setPadding(0, BossUi.dp(this, 8), 0, 0);
         texts.addView(note);
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 37b8450..72f6f44 100644
--- a/android/app/src/main/res/layout/activity_conversation_info.xml
+++ b/android/app/src/main/res/layout/activity_conversation_info.xml
@@ -12,18 +12,18 @@
         android:background="@color/boss_surface"
         android:gravity="center_vertical"
         android:orientation="horizontal"
-        android:paddingLeft="18dp"
-        android:paddingTop="10dp"
-        android:paddingRight="18dp"
-        android:paddingBottom="8dp">
+        android:paddingLeft="16dp"
+        android:paddingTop="8dp"
+        android:paddingRight="16dp"
+        android:paddingBottom="7dp">
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_back_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="返回"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_back"
             android:tint="@color/boss_text_primary" />
 
@@ -41,7 +41,7 @@
                 android:layout_height="wrap_content"
                 android:text="会话信息"
                 android:textColor="@color/boss_text_primary"
-                android:textSize="20sp"
+                android:textSize="18sp"
                 android:textStyle="bold" />
 
             <TextView
@@ -51,29 +51,29 @@
                 android:layout_marginTop="3dp"
                 android:text="单线程会话信息页"
                 android:textColor="@color/boss_text_muted"
-                android:textSize="12sp" />
+                android:textSize="11sp" />
         </LinearLayout>
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_header_action"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="更多"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_more"
             android:tint="@color/boss_text_primary"
             android:visibility="gone" />
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_refresh_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="刷新"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_refresh"
             android:tint="@color/boss_text_primary" />
     </LinearLayout>
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 29ce0bb..e1202bf 100644
--- a/android/app/src/main/res/layout/activity_forward_target.xml
+++ b/android/app/src/main/res/layout/activity_forward_target.xml
@@ -12,18 +12,18 @@
         android:background="@color/boss_surface"
         android:gravity="center_vertical"
         android:orientation="horizontal"
-        android:paddingLeft="18dp"
-        android:paddingTop="10dp"
-        android:paddingRight="18dp"
-        android:paddingBottom="8dp">
+        android:paddingLeft="16dp"
+        android:paddingTop="8dp"
+        android:paddingRight="16dp"
+        android:paddingBottom="7dp">
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_back_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="返回"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_back"
             android:tint="@color/boss_text_primary" />
 
@@ -41,7 +41,7 @@
                 android:layout_height="wrap_content"
                 android:text="标题"
                 android:textColor="@color/boss_text_primary"
-                android:textSize="20sp"
+                android:textSize="18sp"
                 android:textStyle="bold" />
 
             <TextView
@@ -51,29 +51,29 @@
                 android:layout_marginTop="3dp"
                 android:text="副标题"
                 android:textColor="@color/boss_text_muted"
-                android:textSize="12sp" />
+                android:textSize="11sp" />
         </LinearLayout>
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_header_action"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="更多"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_more"
             android:tint="@color/boss_text_primary"
             android:visibility="gone" />
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_refresh_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="刷新"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_refresh"
             android:tint="@color/boss_text_primary" />
     </LinearLayout>
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 7c10494..81aa0c2 100644
--- a/android/app/src/main/res/layout/activity_group_create.xml
+++ b/android/app/src/main/res/layout/activity_group_create.xml
@@ -12,18 +12,18 @@
         android:background="@color/boss_surface"
         android:gravity="center_vertical"
         android:orientation="horizontal"
-        android:paddingLeft="18dp"
-        android:paddingTop="10dp"
-        android:paddingRight="18dp"
-        android:paddingBottom="8dp">
+        android:paddingLeft="16dp"
+        android:paddingTop="8dp"
+        android:paddingRight="16dp"
+        android:paddingBottom="7dp">
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_back_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="返回"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_back"
             android:tint="@color/boss_text_primary" />
 
@@ -41,7 +41,7 @@
                 android:layout_height="wrap_content"
                 android:text="发起群聊"
                 android:textColor="@color/boss_text_primary"
-                android:textSize="20sp"
+                android:textSize="18sp"
                 android:textStyle="bold" />
 
             <TextView
@@ -51,29 +51,29 @@
                 android:layout_marginTop="3dp"
                 android:text="从当前会话选择其他线程"
                 android:textColor="@color/boss_text_muted"
-                android:textSize="12sp" />
+                android:textSize="11sp" />
         </LinearLayout>
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_header_action"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="更多"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_more"
             android:tint="@color/boss_text_primary"
             android:visibility="gone" />
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_refresh_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="刷新"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_refresh"
             android:tint="@color/boss_text_primary" />
     </LinearLayout>
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 1c0553c..1e655e3 100644
--- a/android/app/src/main/res/layout/activity_group_info.xml
+++ b/android/app/src/main/res/layout/activity_group_info.xml
@@ -12,18 +12,18 @@
         android:background="@color/boss_surface"
         android:gravity="center_vertical"
         android:orientation="horizontal"
-        android:paddingLeft="18dp"
-        android:paddingTop="10dp"
-        android:paddingRight="18dp"
-        android:paddingBottom="8dp">
+        android:paddingLeft="16dp"
+        android:paddingTop="8dp"
+        android:paddingRight="16dp"
+        android:paddingBottom="7dp">
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_back_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="返回"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_back"
             android:tint="@color/boss_text_primary" />
 
@@ -41,7 +41,7 @@
                 android:layout_height="wrap_content"
                 android:text="群资料"
                 android:textColor="@color/boss_text_primary"
-                android:textSize="20sp"
+                android:textSize="18sp"
                 android:textStyle="bold" />
 
             <TextView
@@ -51,29 +51,29 @@
                 android:layout_marginTop="3dp"
                 android:text="群聊资料页"
                 android:textColor="@color/boss_text_muted"
-                android:textSize="12sp" />
+                android:textSize="11sp" />
         </LinearLayout>
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_header_action"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="更多"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_more"
             android:tint="@color/boss_text_primary"
             android:visibility="gone" />
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_refresh_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="刷新"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_refresh"
             android:tint="@color/boss_text_primary" />
     </LinearLayout>
diff --git a/android/app/src/main/res/layout/activity_main.xml b/android/app/src/main/res/layout/activity_main.xml
index dba0141..069378d 100644
--- a/android/app/src/main/res/layout/activity_main.xml
+++ b/android/app/src/main/res/layout/activity_main.xml
@@ -22,23 +22,23 @@
             android:paddingBottom="40dp">
 
             <TextView
-                android:layout_width="72dp"
-                android:layout_height="72dp"
+                android:layout_width="60dp"
+                android:layout_height="60dp"
                 android:background="@drawable/bg_secondary_button"
                 android:gravity="center"
                 android:text="B"
                 android:textColor="@color/boss_green"
-                android:textSize="28sp"
+                android:textSize="18sp"
                 android:textStyle="bold" />
 
             <TextView
                 android:id="@+id/login_title"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginTop="22dp"
+                android:layout_marginTop="18dp"
                 android:text=""
                 android:textColor="@color/boss_text_primary"
-                android:textSize="30sp"
+                android:textSize="18sp"
                 android:textStyle="bold" />
 
             <TextView
@@ -50,12 +50,12 @@
                 android:lineSpacingExtra="4dp"
                 android:text=""
                 android:textColor="@color/boss_text_muted"
-                android:textSize="14sp" />
+                android:textSize="12sp" />
 
             <EditText
                 android:id="@+id/login_account_input"
                 android:layout_width="match_parent"
-                android:layout_height="48dp"
+                android:layout_height="44dp"
                 android:layout_marginTop="28dp"
                 android:background="@drawable/bg_secondary_button"
                 android:hint="账号"
@@ -66,12 +66,12 @@
                 android:singleLine="true"
                 android:textColor="@color/boss_text_primary"
                 android:textColorHint="@color/boss_text_muted"
-                android:textSize="16sp" />
+                android:textSize="14sp" />
 
             <EditText
                 android:id="@+id/login_password_input"
                 android:layout_width="match_parent"
-                android:layout_height="48dp"
+                android:layout_height="44dp"
                 android:layout_marginTop="12dp"
                 android:background="@drawable/bg_secondary_button"
                 android:hint="密码"
@@ -82,12 +82,12 @@
                 android:singleLine="true"
                 android:textColor="@color/boss_text_primary"
                 android:textColorHint="@color/boss_text_muted"
-                android:textSize="16sp" />
+                android:textSize="14sp" />
 
             <EditText
                 android:id="@+id/login_confirm_password_input"
                 android:layout_width="match_parent"
-                android:layout_height="48dp"
+                android:layout_height="44dp"
                 android:layout_marginTop="12dp"
                 android:background="@drawable/bg_secondary_button"
                 android:hint="确认密码"
@@ -98,13 +98,13 @@
                 android:singleLine="true"
                 android:textColor="@color/boss_text_primary"
                 android:textColorHint="@color/boss_text_muted"
-                android:textSize="16sp"
+                android:textSize="14sp"
                 android:visibility="gone" />
 
             <LinearLayout
                 android:id="@+id/login_code_row"
                 android:layout_width="match_parent"
-                android:layout_height="48dp"
+                android:layout_height="44dp"
                 android:layout_marginTop="12dp"
                 android:orientation="horizontal"
                 android:visibility="gone">
@@ -123,7 +123,7 @@
                     android:singleLine="true"
                     android:textColor="@color/boss_text_primary"
                     android:textColorHint="@color/boss_text_muted"
-                    android:textSize="16sp" />
+                    android:textSize="14sp" />
 
                 <Button
                     android:id="@+id/login_send_code_button"
@@ -134,7 +134,7 @@
                     android:text="获取验证码"
                     android:textAllCaps="false"
                     android:textColor="@color/boss_text_primary"
-                    android:textSize="14sp" />
+                    android:textSize="12sp" />
             </LinearLayout>
 
             <ProgressBar
@@ -150,12 +150,12 @@
                 android:layout_height="wrap_content"
                 android:layout_marginTop="22dp"
                 android:background="@drawable/bg_primary_button"
-                android:paddingTop="14dp"
-                android:paddingBottom="14dp"
+                android:paddingTop="12dp"
+                android:paddingBottom="12dp"
                 android:text=""
                 android:textAllCaps="false"
                 android:textColor="@color/boss_surface"
-                android:textSize="18sp"
+                android:textSize="14sp"
                 android:textStyle="bold" />
 
             <LinearLayout
@@ -173,7 +173,7 @@
                     android:text="账号登录"
                     android:textAllCaps="false"
                     android:textColor="@color/boss_green"
-                    android:textSize="14sp" />
+                    android:textSize="12sp" />
 
                 <Button
                     android:id="@+id/register_mode_button"
@@ -184,7 +184,7 @@
                     android:text="注册账号"
                     android:textAllCaps="false"
                     android:textColor="@color/boss_text_muted"
-                    android:textSize="14sp" />
+                    android:textSize="12sp" />
 
                 <Button
                     android:id="@+id/forgot_mode_button"
@@ -195,7 +195,7 @@
                     android:text="忘记密码"
                     android:textAllCaps="false"
                     android:textColor="@color/boss_text_muted"
-                    android:textSize="14sp" />
+                    android:textSize="12sp" />
             </LinearLayout>
         </LinearLayout>
     </ScrollView>
@@ -214,19 +214,19 @@
             android:background="@color/boss_surface"
             android:gravity="center_vertical"
             android:orientation="horizontal"
-            android:paddingLeft="18dp"
-            android:paddingTop="10dp"
-            android:paddingRight="18dp"
-            android:paddingBottom="8dp">
+            android:paddingLeft="16dp"
+            android:paddingTop="8dp"
+            android:paddingRight="16dp"
+            android:paddingBottom="7dp">
 
             <androidx.appcompat.widget.AppCompatImageButton
                 android:id="@+id/back_button"
-                android:layout_width="36dp"
-                android:layout_height="36dp"
+                android:layout_width="34dp"
+                android:layout_height="34dp"
                 android:layout_marginRight="8dp"
                 android:background="@drawable/bg_top_icon_button"
                 android:contentDescription="返回"
-                android:padding="7dp"
+                android:padding="6dp"
                 android:src="@drawable/ic_boss_back"
                 android:tint="@color/boss_text_primary"
                 android:visibility="gone" />
@@ -246,7 +246,7 @@
                     android:maxLines="1"
                     android:text="会话"
                     android:textColor="@color/boss_text_primary"
-                    android:textSize="20sp"
+                    android:textSize="18sp"
                     android:textStyle="bold" />
 
                 <TextView
@@ -256,14 +256,14 @@
                     android:layout_marginTop="4dp"
                     android:text=""
                     android:textColor="@color/boss_text_muted"
-                    android:textSize="12sp"
+                    android:textSize="11sp"
                     android:visibility="gone" />
             </LinearLayout>
 
             <EditText
                 android:id="@+id/top_search_input"
                 android:layout_width="0dp"
-                android:layout_height="36dp"
+                android:layout_height="34dp"
                 android:layout_weight="1"
                 android:background="@drawable/bg_secondary_button"
                 android:hint="搜索项目或线程"
@@ -275,27 +275,27 @@
                 android:paddingBottom="7dp"
                 android:textColor="@color/boss_text_primary"
                 android:textColorHint="@color/boss_text_muted"
-                android:textSize="15sp"
+                android:textSize="14sp"
                 android:visibility="gone" />
 
             <androidx.appcompat.widget.AppCompatImageButton
                 android:id="@+id/search_button"
-                android:layout_width="36dp"
-                android:layout_height="36dp"
+                android:layout_width="34dp"
+                android:layout_height="34dp"
                 android:layout_marginRight="8dp"
                 android:background="@drawable/bg_top_icon_button"
                 android:contentDescription="搜索"
-                android:padding="7dp"
+                android:padding="6dp"
                 android:src="@drawable/ic_boss_search"
                 android:tint="@color/boss_text_primary" />
 
             <androidx.appcompat.widget.AppCompatImageButton
                 android:id="@+id/refresh_button"
-                android:layout_width="36dp"
-                android:layout_height="36dp"
+                android:layout_width="34dp"
+                android:layout_height="34dp"
                 android:background="@drawable/bg_top_icon_button"
                 android:contentDescription="快捷操作"
-                android:padding="7dp"
+                android:padding="6dp"
                 android:src="@drawable/ic_boss_add"
                 android:tint="@color/boss_text_primary" />
         </LinearLayout>
@@ -313,7 +313,7 @@
 
         <LinearLayout
             android:layout_width="match_parent"
-            android:layout_height="58dp"
+            android:layout_height="54dp"
             android:background="@color/boss_surface"
             android:elevation="10dp"
             android:gravity="center"
@@ -332,7 +332,7 @@
                 android:text="会话"
                 android:textAllCaps="false"
                 android:textColor="@color/boss_green"
-                android:textSize="11sp"
+                android:textSize="10sp"
                 android:textStyle="bold" />
 
             <Button
@@ -344,7 +344,7 @@
                 android:text="设备"
                 android:textAllCaps="false"
                 android:textColor="@color/boss_text_muted"
-                android:textSize="11sp"
+                android:textSize="10sp"
                 android:textStyle="bold" />
 
             <Button
@@ -356,7 +356,7 @@
                 android:text="我的"
                 android:textAllCaps="false"
                 android:textColor="@color/boss_text_muted"
-                android:textSize="11sp"
+                android:textSize="10sp"
                 android:textStyle="bold" />
         </LinearLayout>
     </LinearLayout>
@@ -409,7 +409,7 @@
                     android:text="添加设备"
                     android:textAllCaps="false"
                     android:textColor="@color/boss_quick_actions_menu_text"
-                    android:textSize="15sp" />
+                    android:textSize="13sp" />
 
                 <Button
                     android:id="@+id/quick_action_scan"
@@ -423,7 +423,7 @@
                     android:text="扫一扫"
                     android:textAllCaps="false"
                     android:textColor="@color/boss_quick_actions_menu_text"
-                    android:textSize="15sp" />
+                    android:textSize="13sp" />
 
                 <Button
                     android:id="@+id/quick_action_group_chat"
@@ -437,7 +437,7 @@
                     android:text="发起群聊"
                     android:textAllCaps="false"
                     android:textColor="@color/boss_quick_actions_menu_text"
-                    android:textSize="15sp" />
+                    android:textSize="13sp" />
             </LinearLayout>
         </FrameLayout>
     </FrameLayout>
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 139df5f..5f6dbc6 100644
--- a/android/app/src/main/res/layout/activity_project_chat.xml
+++ b/android/app/src/main/res/layout/activity_project_chat.xml
@@ -12,18 +12,18 @@
         android:background="@color/boss_surface"
         android:gravity="center_vertical"
         android:orientation="horizontal"
-        android:paddingLeft="18dp"
-        android:paddingTop="10dp"
-        android:paddingRight="18dp"
-        android:paddingBottom="8dp">
+        android:paddingLeft="16dp"
+        android:paddingTop="8dp"
+        android:paddingRight="16dp"
+        android:paddingBottom="7dp">
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_back_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="返回"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_back"
             android:tint="@color/boss_text_primary" />
 
@@ -43,7 +43,7 @@
                 android:maxLines="1"
                 android:text="项目详情"
                 android:textColor="@color/boss_text_primary"
-                android:textSize="19sp"
+                android:textSize="18sp"
                 android:textStyle="bold" />
 
             <TextView
@@ -53,29 +53,29 @@
                 android:layout_marginTop="3dp"
                 android:text="设备"
                 android:textColor="@color/boss_text_muted"
-                android:textSize="12sp" />
+                android:textSize="11sp" />
         </LinearLayout>
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_header_action"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="更多"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_more"
             android:tint="@color/boss_text_primary"
             android:visibility="gone" />
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_refresh_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="刷新"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_refresh"
             android:tint="@color/boss_text_primary" />
     </LinearLayout>
diff --git a/android/app/src/main/res/layout/activity_screen.xml b/android/app/src/main/res/layout/activity_screen.xml
index 2023475..c08d343 100644
--- a/android/app/src/main/res/layout/activity_screen.xml
+++ b/android/app/src/main/res/layout/activity_screen.xml
@@ -12,18 +12,18 @@
         android:background="@color/boss_surface"
         android:gravity="center_vertical"
         android:orientation="horizontal"
-        android:paddingLeft="18dp"
-        android:paddingTop="10dp"
-        android:paddingRight="18dp"
-        android:paddingBottom="8dp">
+        android:paddingLeft="16dp"
+        android:paddingTop="8dp"
+        android:paddingRight="16dp"
+        android:paddingBottom="7dp">
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_back_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="返回"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_back"
             android:tint="@color/boss_text_primary" />
 
@@ -43,7 +43,7 @@
                 android:maxLines="1"
                 android:text="标题"
                 android:textColor="@color/boss_text_primary"
-                android:textSize="20sp"
+                android:textSize="18sp"
                 android:textStyle="bold" />
 
             <TextView
@@ -55,29 +55,29 @@
                 android:maxLines="1"
                 android:text="副标题"
                 android:textColor="@color/boss_text_muted"
-                android:textSize="12sp" />
+                android:textSize="11sp" />
         </LinearLayout>
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_header_action"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="更多"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_more"
             android:tint="@color/boss_text_primary"
             android:visibility="gone" />
 
         <androidx.appcompat.widget.AppCompatImageButton
             android:id="@+id/screen_refresh_button"
-            android:layout_width="36dp"
-            android:layout_height="36dp"
+            android:layout_width="34dp"
+            android:layout_height="34dp"
             android:layout_marginLeft="8dp"
             android:background="@drawable/bg_top_icon_button"
             android:contentDescription="刷新"
-            android:padding="7dp"
+            android:padding="6dp"
             android:src="@drawable/ic_boss_refresh"
             android:tint="@color/boss_text_primary" />
     </LinearLayout>
diff --git a/android/app/src/test/java/com/hyzq/boss/BossUiConversationRowTest.java b/android/app/src/test/java/com/hyzq/boss/BossUiConversationRowTest.java
index b2523cb..2cd056e 100644
--- a/android/app/src/test/java/com/hyzq/boss/BossUiConversationRowTest.java
+++ b/android/app/src/test/java/com/hyzq/boss/BossUiConversationRowTest.java
@@ -63,15 +63,16 @@ public class BossUiConversationRowTest {
                 previewView.getMeasuredWidth(),
                 previewView.getMeasuredHeight()
         );
-        assertEquals("列表项应恢复成更紧凑的信息密度: " + metrics, BossUi.dp(context, 14), rowView.getPaddingLeft());
-        assertEquals("列表项应恢复成更紧凑的信息密度: " + metrics, BossUi.dp(context, 8), rowView.getPaddingTop());
-        assertEquals("列表项应恢复成更紧凑的信息密度: " + metrics, BossUi.dp(context, 14), rowView.getPaddingRight());
-        assertEquals("列表项应恢复成更紧凑的信息密度: " + metrics, BossUi.dp(context, 8), rowView.getPaddingBottom());
+        assertEquals("列表项应对标微信当前紧凑密度: " + metrics, BossUi.dp(context, 12), rowView.getPaddingLeft());
+        assertEquals("列表项应对标微信当前紧凑密度: " + metrics, BossUi.dp(context, 6), rowView.getPaddingTop());
+        assertEquals("列表项应对标微信当前紧凑密度: " + metrics, BossUi.dp(context, 12), rowView.getPaddingRight());
+        assertEquals("列表项应对标微信当前紧凑密度: " + metrics, BossUi.dp(context, 6), rowView.getPaddingBottom());
         assertEquals("列表项不应保持卡片式浮层感: " + metrics, 0f, rowView.getElevation(), 0.01f);
-        assertTrue("单条会话行不应再撑到接近 90dp: " + metrics, rowView.getMeasuredHeight() <= BossUi.dp(context, 78));
-        assertEquals("会话头像应恢复到更克制的尺寸: " + metrics, BossUi.dp(context, 44), rowView.getChildAt(0).getLayoutParams().width);
-        assertEquals("会话头像应恢复到更克制的尺寸: " + metrics, BossUi.dp(context, 44), rowView.getChildAt(0).getLayoutParams().height);
-        assertEquals("标题字号应回到中等密度", 15f, titleView.getTextSize() / context.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+        assertTrue("单条会话行应维持微信式有效信息面积: " + metrics, rowView.getMeasuredHeight() <= BossUi.dp(context, 68));
+        assertEquals("会话头像应回到微信列表的小尺寸: " + metrics, BossUi.dp(context, 40), rowView.getChildAt(0).getLayoutParams().width);
+        assertEquals("会话头像应回到微信列表的小尺寸: " + metrics, BossUi.dp(context, 40), rowView.getChildAt(0).getLayoutParams().height);
+        assertEquals("标题字号应对标微信列表主标题", 14f, titleView.getTextSize() / context.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+        assertEquals("预览字号应对标微信列表辅助文字", 11f, previewView.getTextSize() / context.getResources().getDisplayMetrics().scaledDensity, 0.5f);
         assertTrue("中间文字列不应被挤成 0 宽: " + metrics, centerColumn.getMeasuredWidth() > 0);
         assertTrue("标题需要保留可见宽度: " + metrics, titleView.getMeasuredWidth() > 0);
         assertTrue("预览需要保留可见宽度: " + metrics, previewView.getMeasuredWidth() > 0);
diff --git a/android/app/src/test/java/com/hyzq/boss/BossUiRootSurfaceTest.java b/android/app/src/test/java/com/hyzq/boss/BossUiRootSurfaceTest.java
index 268a830..c89182e 100644
--- a/android/app/src/test/java/com/hyzq/boss/BossUiRootSurfaceTest.java
+++ b/android/app/src/test/java/com/hyzq/boss/BossUiRootSurfaceTest.java
@@ -50,8 +50,8 @@ public class BossUiRootSurfaceTest {
         assertEquals("资料头不应保留浮层卡片感", 0f, header.getElevation(), 0.01f);
         assertTrue("资料头应保持横向布局", header instanceof LinearLayout);
         View avatar = ((LinearLayout) header).getChildAt(0);
-        assertEquals("我的页头像应恢复到中等尺寸", BossUi.dp(activity, 56), avatar.getLayoutParams().width);
-        assertEquals("我的页头像应恢复到中等尺寸", BossUi.dp(activity, 56), avatar.getLayoutParams().height);
+        assertEquals("我的页头像应对标微信资料入口尺寸", BossUi.dp(activity, 52), avatar.getLayoutParams().width);
+        assertEquals("我的页头像应对标微信资料入口尺寸", BossUi.dp(activity, 52), avatar.getLayoutParams().height);
         assertTrue(viewTreeContainsText(header, "Kris"));
         assertTrue(viewTreeContainsText(header, "krisolo"));
         assertTrue(viewTreeContainsText(header, "最高管理员"));
@@ -105,12 +105,12 @@ public class BossUiRootSurfaceTest {
         assertEquals("会话", conversations.getText().toString());
         assertEquals("设备", devices.getText().toString());
         assertEquals("我的", me.getText().toString());
-        assertEquals("顶部标题应恢复到更克制的字号", 20f, ((TextView) activity.findViewById(R.id.top_title)).getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
-        assertEquals("底栏高度应恢复到更紧凑的有效面积", BossUi.dp(activity, 58), ((View) conversations.getParent()).getLayoutParams().height);
+        assertEquals("顶部标题应对标微信页面标题", 18f, ((TextView) activity.findViewById(R.id.top_title)).getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+        assertEquals("底栏高度应对标微信底栏有效面积", BossUi.dp(activity, 54), ((View) conversations.getParent()).getLayoutParams().height);
         assertNotNull("会话 tab 应显示顶部图标", conversations.getCompoundDrawables()[1]);
         assertNotNull("设备 tab 应显示顶部图标", devices.getCompoundDrawables()[1]);
         assertNotNull("我的 tab 应显示顶部图标", me.getCompoundDrawables()[1]);
-        assertEquals("底栏文字应保持小字号", 11f, conversations.getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
+        assertEquals("底栏文字应对标微信底栏标签", 10f, conversations.getTextSize() / activity.getResources().getDisplayMetrics().scaledDensity, 0.5f);
     }
 
     private static boolean viewTreeContainsText(View root, String expectedText) {
diff --git a/android/app/src/test/java/com/hyzq/boss/BossUiTopActionStyleTest.java b/android/app/src/test/java/com/hyzq/boss/BossUiTopActionStyleTest.java
index 75ba503..5c4539a 100644
--- a/android/app/src/test/java/com/hyzq/boss/BossUiTopActionStyleTest.java
+++ b/android/app/src/test/java/com/hyzq/boss/BossUiTopActionStyleTest.java
@@ -21,9 +21,9 @@ public class BossUiTopActionStyleTest {
 
         BossUi.applyTopIconButtonStyle(context, button);
 
-        assertEquals(BossUi.dp(context, 36), button.getMinimumWidth());
-        assertEquals(BossUi.dp(context, 36), button.getMinimumHeight());
-        assertEquals(BossUi.dp(context, 7), button.getPaddingLeft());
-        assertEquals(BossUi.dp(context, 7), button.getPaddingTop());
+        assertEquals(BossUi.dp(context, 34), button.getMinimumWidth());
+        assertEquals(BossUi.dp(context, 34), button.getMinimumHeight());
+        assertEquals(BossUi.dp(context, 6), button.getPaddingLeft());
+        assertEquals(BossUi.dp(context, 6), button.getPaddingTop());
     }
 }
diff --git a/android/app/src/test/java/com/hyzq/boss/ConversationInfoActivityTest.java b/android/app/src/test/java/com/hyzq/boss/ConversationInfoActivityTest.java
index 26471d8..8cf4315 100644
--- a/android/app/src/test/java/com/hyzq/boss/ConversationInfoActivityTest.java
+++ b/android/app/src/test/java/com/hyzq/boss/ConversationInfoActivityTest.java
@@ -96,8 +96,8 @@ public class ConversationInfoActivityTest {
         SwitchCompat takeoverSwitch = findFirstSwitch(takeoverRow);
 
         assertEquals(LinearLayout.HORIZONTAL, takeoverRow.getOrientation());
-        assertEquals(BossUi.dp(activity, 14), takeoverRow.getPaddingLeft());
-        assertEquals(BossUi.dp(activity, 14), takeoverRow.getPaddingRight());
+        assertEquals(BossUi.dp(activity, 12), takeoverRow.getPaddingLeft());
+        assertEquals(BossUi.dp(activity, 12), takeoverRow.getPaddingRight());
         assertNotNull(takeoverSwitch);
         assertEquals("", String.valueOf(takeoverSwitch.getText()));
     }