diff --git a/src/screens/message/ChatScreen.tsx b/src/screens/message/ChatScreen.tsx
index 09047a0..1e5f5ff 100644
--- a/src/screens/message/ChatScreen.tsx
+++ b/src/screens/message/ChatScreen.tsx
@@ -576,6 +576,7 @@ export const ChatScreen: React.FC = () => {
             <MorePanel
               onAction={handleMoreAction}
               disabledActionIds={!isGroupChat && !canSendPrivateImage ? ['image', 'camera'] : []}
+              isGroupChat={isGroupChat}
             />
           </View>
         )}
diff --git a/src/screens/message/GroupMembersScreen.tsx b/src/screens/message/GroupMembersScreen.tsx
index a2a9624..8daf454 100644
--- a/src/screens/message/GroupMembersScreen.tsx
+++ b/src/screens/message/GroupMembersScreen.tsx
@@ -5,7 +5,7 @@
  * 使用游标分页
  */
 
-import React, { useState, useEffect, useCallback, useMemo } from 'react';
+import React, { useState, useEffect, useCallback, useMemo, useRef } from 'react';
 import {
   View,
   StyleSheet,
@@ -19,7 +19,7 @@ import {
   Dimensions,
 } from 'react-native';
 import { SafeAreaView } from 'react-native-safe-area-context';
-import { useLocalSearchParams } from 'expo-router';
+import { useLocalSearchParams, useRouter } from 'expo-router';
 import { MaterialCommunityIcons } from '@expo/vector-icons';
 import { spacing, fontSizes, borderRadius, useAppColors, type AppColors } from '../../theme';
 import { useAuthStore } from '../../stores';
@@ -30,7 +30,7 @@ import {
   IGroupMemberListPagedSource,
 } from '../../stores/groupMemberListSources';
 import { enrichGroupMembersWithUserProfiles } from '../../stores/groupMemberProfileResolver';
-import { Avatar, Text, Button, Loading, EmptyState, Divider, ResponsiveContainer } from '../../components/common';
+import { Avatar, Text, Button, Loading, EmptyState, Divider, ResponsiveContainer, AppBackButton } from '../../components/common';
 import { useResponsive, useBreakpointGTE } from '../../hooks/useResponsive';
 import { useCursorPagination } from '../../hooks/useCursorPagination';
 import {
@@ -57,6 +57,7 @@ interface MemberGroup {
 const GroupMembersScreen: React.FC = () => {
   const colors = useAppColors();
   const styles = useMemo(() => createGroupMembersStyles(colors), [colors]);
+  const router = useRouter();
   const { groupId: groupIdParam } = useLocalSearchParams<{ groupId?: string | string[] }>();
   const groupId = firstRouteParam(groupIdParam) ?? '';
   const { currentUser } = useAuthStore();
@@ -149,11 +150,14 @@ const GroupMembersScreen: React.FC = () => {
     setLoading(false);
   }, [refresh]);
 
-  // 初始加载
+  // 初始加载 - 使用 ref 避免依赖变化导致的无限循环
+  const initialLoadRef = React.useRef(false);
   useEffect(() => {
-    if (!groupId) return;
+    if (!groupId || initialLoadRef.current) return;
+    initialLoadRef.current = true;
     refresh();
-  }, [groupId, refresh]);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [groupId]);
 
   // 按角色分组
   const groupMembers = useCallback((): MemberGroup[] => {
@@ -640,7 +644,13 @@ const GroupMembersScreen: React.FC = () => {
   };
 
   return (
-    <SafeAreaView style={styles.container} edges={['bottom']}>
+    <SafeAreaView style={styles.container} edges={['top', 'bottom']}>
+      {/* Header */}
+      <View style={styles.pageHeader}>
+        <AppBackButton onPress={() => router.back()} />
+        <Text variant="h3" style={styles.pageTitle}>群成员</Text>
+        <View style={styles.pageHeaderPlaceholder} />
+      </View>
       {loading ? <Loading /> : renderGroupedList()}
       {renderActionModal()}
       {renderNicknameModal()}
@@ -654,6 +664,23 @@ function createGroupMembersStyles(colors: AppColors) {
       flex: 1,
       backgroundColor: colors.background.default,
     },
+    // Header 样式
+    pageHeader: {
+      flexDirection: 'row',
+      alignItems: 'center',
+      justifyContent: 'space-between',
+      paddingHorizontal: spacing.md,
+      paddingVertical: spacing.sm,
+      backgroundColor: colors.background.paper,
+      borderBottomWidth: 1,
+      borderBottomColor: colors.divider,
+    },
+    pageTitle: {
+      fontWeight: '600',
+    },
+    pageHeaderPlaceholder: {
+      width: 40,
+    },
     section: {
       marginBottom: spacing.md,
     },
diff --git a/src/screens/message/components/ChatScreen/ChatHeader.tsx b/src/screens/message/components/ChatScreen/ChatHeader.tsx
index 6945dac..29fe64a 100644
--- a/src/screens/message/components/ChatScreen/ChatHeader.tsx
+++ b/src/screens/message/components/ChatScreen/ChatHeader.tsx
@@ -6,7 +6,7 @@
 import React, { useMemo } from 'react';
 import { View, TouchableOpacity, StyleSheet } from 'react-native';
 import { MaterialCommunityIcons } from '@expo/vector-icons';
-import { Avatar, Text, AppBackButton } from '../../../../components/common';
+import { Avatar, Text } from '../../../../components/common';
 import { useAppColors, spacing } from '../../../../theme';
 import { useChatScreenStyles } from './styles';
 import { useBreakpointGTE } from '../../../../hooks/useResponsive';
@@ -73,7 +73,9 @@ export const ChatHeader: React.FC<ChatHeaderProps> = ({
   return (
     <View style={styles.headerContainer}>
       <View style={styles.header}>
-        <AppBackButton style={styles.backButton} onPress={onBack} />
+        <TouchableOpacity style={styles.backButton} onPress={onBack} activeOpacity={0.7}>
+          <MaterialCommunityIcons name="chevron-left" size={28} color={colors.text.primary} />
+        </TouchableOpacity>
         
         <View style={styles.headerCenter}>
           <TouchableOpacity
@@ -84,7 +86,12 @@ export const ChatHeader: React.FC<ChatHeaderProps> = ({
             {isGroupChat ? (
               <>
                 <View style={styles.titleLeading}>
-                  <MaterialCommunityIcons name="account-group" size={20} color={colors.primary.main} />
+                  <Avatar
+                    source={groupInfo?.avatar || null}
+                    size={36}
+                    name={groupInfo?.name || '群'}
+                    style={styles.groupAvatar}
+                  />
                 </View>
                 <View style={styles.titleContent}>
                   <Text style={styles.headerName} numberOfLines={1}>{getDisplayTitle()}</Text>
@@ -100,7 +107,7 @@ export const ChatHeader: React.FC<ChatHeaderProps> = ({
               <>
                 <Avatar
                   source={otherUser?.avatar || null}
-                  size={32}
+                  size={36}
                   name={otherUser?.nickname || ''}
                 />
                 <View style={styles.titleContent}>
@@ -121,15 +128,17 @@ export const ChatHeader: React.FC<ChatHeaderProps> = ({
           <TouchableOpacity
             style={styles.moreButton}
             onPress={onGroupInfoPress}
+            activeOpacity={0.7}
           >
-            <MaterialCommunityIcons name="dots-horizontal" size={22} color={colors.text.primary} />
+            <MaterialCommunityIcons name="dots-horizontal" size={24} color={colors.text.primary} />
           </TouchableOpacity>
         ) : (
           <TouchableOpacity
             style={styles.moreButton}
             onPress={onMorePress}
+            activeOpacity={0.7}
           >
-            <MaterialCommunityIcons name="dots-horizontal" size={22} color={colors.text.primary} />
+            <MaterialCommunityIcons name="dots-horizontal" size={24} color={colors.text.primary} />
           </TouchableOpacity>
         )}
       </View>
diff --git a/src/screens/message/components/ChatScreen/EmojiPanel.tsx b/src/screens/message/components/ChatScreen/EmojiPanel.tsx
index 0fd05c1..d206fe0 100644
--- a/src/screens/message/components/ChatScreen/EmojiPanel.tsx
+++ b/src/screens/message/components/ChatScreen/EmojiPanel.tsx
@@ -18,7 +18,7 @@ import { useAppColors, spacing } from '../../../../theme';
 
 const { height: SCREEN_HEIGHT } = Dimensions.get('window');
 
-  // 表情尺寸配置 - 固定宽度 40px，使用 flex 布局
+// 表情尺寸配置 - 固定宽度 40px，使用 flex 布局
 const EMOJI_SIZES = {
   mobile: { size: 24, itemWidth: 40, itemHeight: 40 },
   tablet: { size: 26, itemWidth: 40, itemHeight: 40 },
@@ -234,19 +234,21 @@ export const EmojiPanel: React.FC<EmojiPanelProps> = ({
     );
   };
 
-  // 渲染管理按钮（表情面板第一位）
+  // 渲染管理按钮（表情面板第一位）- 现代扁平化设计
   const renderManageButton = () => (
     <TouchableOpacity
       key="manage-button"
-      style={[styles.stickerItem, styles.stickerManageButton]}
+      style={[styles.stickerItem, stickerButtonStyles.manageButton]}
       onPress={handleOpenManage}
       activeOpacity={0.7}
     >
-      <MaterialCommunityIcons
-        name="cog-outline"
-        size={40}
-        color="#666"
-      />
+      <View style={stickerButtonStyles.iconContainer}>
+        <MaterialCommunityIcons
+          name="cog-outline"
+          size={28}
+          color={colors.chat.textSecondary}
+        />
+      </View>
     </TouchableOpacity>
   );
 
@@ -515,27 +517,30 @@ export const EmojiPanel: React.FC<EmojiPanelProps> = ({
         {activeTab === 'emoji' ? renderEmojiPanel() : renderStickerPanel()}
       </View>
 
-      {/* 底部 Tab 栏 */}
+      {/* 底部 Tab 栏 - 现代胶囊式设计 */}
       <View style={styles.panelTabBar}>
-        <TouchableOpacity
-          style={[styles.panelTab, activeTab === 'emoji' && styles.panelTabActive]}
-          onPress={() => setActiveTab('emoji')}
-        >
-          <Text style={styles.panelTabEmoji}>😊</Text>
-        </TouchableOpacity>
-        <TouchableOpacity
-          style={[styles.panelTab, activeTab === 'sticker' && styles.panelTabActive]}
-          onPress={() => setActiveTab('sticker')}
-        >
-          <MaterialCommunityIcons
-            name="emoticon-happy-outline"
-            size={24}
-            color={activeTab === 'sticker' ? colors.primary.main : '#666'}
-          />
-        </TouchableOpacity>
-        <View style={styles.panelTabDivider} />
-        <TouchableOpacity style={styles.panelCloseButton} onPress={onClose}>
-          <MaterialCommunityIcons name="keyboard" size={24} color="#666" />
+        <View style={styles.panelTabContainer}>
+          <TouchableOpacity
+            style={[styles.panelTab, activeTab === 'emoji' && styles.panelTabActive]}
+            onPress={() => setActiveTab('emoji')}
+            activeOpacity={0.8}
+          >
+            <Text style={[styles.panelTabEmoji, activeTab === 'emoji' ? { opacity: 1 } : {}]}>😊</Text>
+          </TouchableOpacity>
+          <TouchableOpacity
+            style={[styles.panelTab, activeTab === 'sticker' && styles.panelTabActive]}
+            onPress={() => setActiveTab('sticker')}
+            activeOpacity={0.8}
+          >
+            <MaterialCommunityIcons
+              name="emoticon-happy-outline"
+              size={22}
+              color={activeTab === 'sticker' ? colors.primary.main : colors.chat.textSecondary}
+            />
+          </TouchableOpacity>
+        </View>
+        <TouchableOpacity style={styles.panelCloseButton} onPress={onClose} activeOpacity={0.7}>
+          <MaterialCommunityIcons name="keyboard-outline" size={20} color={colors.chat.textSecondary} />
         </TouchableOpacity>
       </View>
 
@@ -546,3 +551,26 @@ export const EmojiPanel: React.FC<EmojiPanelProps> = ({
 };
 
 export default EmojiPanel;
+
+// 自定义表情按钮样式
+const stickerButtonStyles = StyleSheet.create({
+  manageButton: {
+    backgroundColor: '#F5F5F7',
+    borderRadius: 12,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  iconContainer: {
+    width: 44,
+    height: 44,
+    borderRadius: 12,
+    backgroundColor: '#FFFFFF',
+    alignItems: 'center',
+    justifyContent: 'center',
+    shadowColor: '#000000',
+    shadowOffset: { width: 0, height: 1 },
+    shadowOpacity: 0.06,
+    shadowRadius: 2,
+    elevation: 1,
+  },
+});
diff --git a/src/screens/message/components/ChatScreen/MorePanel.tsx b/src/screens/message/components/ChatScreen/MorePanel.tsx
index af957a2..f16f609 100644
--- a/src/screens/message/components/ChatScreen/MorePanel.tsx
+++ b/src/screens/message/components/ChatScreen/MorePanel.tsx
@@ -1,38 +1,81 @@
 /**
- * 更多功能面板组件
+ * 更多功能面板组件 - 现代扁平化设计
  */
 
 import React from 'react';
-import { View, TouchableOpacity } from 'react-native';
+import { View, TouchableOpacity, StyleSheet } from 'react-native';
 import { MaterialCommunityIcons } from '@expo/vector-icons';
 import { Text } from '../../../../components/common';
 import { useChatScreenStyles } from './styles';
 import { MORE_ACTIONS } from './constants';
 import { MorePanelProps } from './types';
 
+// 渐变背景组件
+const GradientIcon: React.FC<{
+  colors: [string, string];
+  icon: string;
+  size?: number;
+}> = ({ colors, icon, size = 28 }) => {
+  return (
+    <View style={[gradientStyles.container, { backgroundColor: colors[0] }]}>
+      <View style={[gradientStyles.gradientOverlay, { backgroundColor: colors[1] }]} />
+      <MaterialCommunityIcons name={icon as any} size={size} color="#FFFFFF" />
+    </View>
+  );
+};
+
+const gradientStyles = StyleSheet.create({
+  container: {
+    width: 56,
+    height: 56,
+    borderRadius: 18,
+    alignItems: 'center',
+    justifyContent: 'center',
+    overflow: 'hidden',
+    position: 'relative',
+  },
+  gradientOverlay: {
+    position: 'absolute',
+    bottom: 0,
+    left: 0,
+    right: 0,
+    height: '50%',
+    opacity: 0.3,
+  },
+});
+
 export const MorePanel: React.FC<MorePanelProps> = ({
   onAction,
   disabledActionIds = [],
+  isGroupChat = false,
 }) => {
   const styles = useChatScreenStyles();
   const disabledSet = new Set(disabledActionIds);
+
+  // 群聊中隐藏语音通话和视频通话
+  const actions = isGroupChat
+    ? MORE_ACTIONS.filter(action => action.id !== 'voice_call' && action.id !== 'video_call')
+    : MORE_ACTIONS;
+
   return (
     <View style={styles.panelContainer}>
       <View style={styles.moreGrid}>
-        {MORE_ACTIONS.map((action) => {
+        {actions.map((action) => {
           const disabled = disabledSet.has(action.id);
           return (
-          <TouchableOpacity
-            key={action.id}
-            style={[styles.moreItem, disabled ? { opacity: 0.45 } : null]}
-            onPress={() => onAction(action.id)}
-            disabled={disabled}
-          >
-            <View style={styles.moreIconContainer}>
-              <MaterialCommunityIcons name={action.icon as any} size={28} color={action.color} />
-            </View>
-            <Text style={styles.moreItemText}>{action.name}</Text>
-          </TouchableOpacity>
+            <TouchableOpacity
+              key={action.id}
+              style={[styles.moreItem, disabled ? { opacity: 0.4 } : null]}
+              onPress={() => onAction(action.id)}
+              disabled={disabled}
+              activeOpacity={0.7}
+            >
+              <GradientIcon
+                colors={action.gradientColors || [action.color, action.color]}
+                icon={action.icon}
+              />
+              <Text style={styles.moreItemText}>{action.name}</Text>
+            </TouchableOpacity>
           );
         })}
       </View>
diff --git a/src/screens/message/components/ChatScreen/constants.ts b/src/screens/message/components/ChatScreen/constants.ts
index be77c7e..74de4d7 100644
--- a/src/screens/message/components/ChatScreen/constants.ts
+++ b/src/screens/message/components/ChatScreen/constants.ts
@@ -141,14 +141,50 @@ export const EMOJIS = [
   '🌃', '🌌', '🌉', '🌫️', '🌊', '🕳️', '💊', '💉',
 ];
 
-// 更多功能项
+// 更多功能项 - 使用渐变色配置
 export const MORE_ACTIONS: MoreAction[] = [
-  { id: 'voice_call', icon: 'phone', name: '语音通话', color: '#4CAF50' },
-  { id: 'video_call', icon: 'video', name: '视频通话', color: '#2196F3' },
-  { id: 'image', icon: 'image', name: '图片', color: '#FF6B6B' },
-  { id: 'camera', icon: 'camera', name: '拍摄', color: '#4ECDC4' },
-  { id: 'file', icon: 'file-document', name: '文件', color: '#45B7D1' },
-  { id: 'location', icon: 'map-marker', name: '位置', color: '#96CEB4' },
+  { 
+    id: 'voice_call', 
+    icon: 'phone', 
+    name: '语音通话', 
+    color: '#4CAF50',
+    gradientColors: ['#66BB6A', '#43A047'],
+  },
+  { 
+    id: 'video_call', 
+    icon: 'video', 
+    name: '视频通话', 
+    color: '#2196F3',
+    gradientColors: ['#42A5F5', '#1E88E5'],
+  },
+  { 
+    id: 'image', 
+    icon: 'image', 
+    name: '图片', 
+    color: '#FF6B35',
+    gradientColors: ['#FF8A50', '#F4511E'],
+  },
+  { 
+    id: 'camera', 
+    icon: 'camera', 
+    name: '拍摄', 
+    color: '#26A69A',
+    gradientColors: ['#4DB6AC', '#00897B'],
+  },
+  { 
+    id: 'file', 
+    icon: 'file-document', 
+    name: '文件', 
+    color: '#5C6BC0',
+    gradientColors: ['#7986CB', '#3F51B5'],
+  },
+  { 
+    id: 'location', 
+    icon: 'map-marker', 
+    name: '位置', 
+    color: '#EC407A',
+    gradientColors: ['#F06292', '#D81B60'],
+  },
 ];
 
 // 消息撤回时间限制（毫秒）
diff --git a/src/screens/message/components/ChatScreen/styles.ts b/src/screens/message/components/ChatScreen/styles.ts
index ab60367..1aa7be5 100644
--- a/src/screens/message/components/ChatScreen/styles.ts
+++ b/src/screens/message/components/ChatScreen/styles.ts
@@ -30,13 +30,8 @@ export function createChatScreenStyles(colors: AppColors) {
   // 头部
   headerContainer: {
     backgroundColor: colors.chat.card,
-    borderBottomWidth: 1,
-    borderBottomColor: 'rgba(255, 107, 53, 0.12)',
-    shadowColor: colors.chat.shadow,
-    shadowOffset: { width: 0, height: 3 },
-    shadowOpacity: 0.06,
-    shadowRadius: 10,
-    elevation: 5,
+    borderBottomWidth: StyleSheet.hairlineWidth,
+    borderBottomColor: colors.chat.border,
   },
   header: {
     flexDirection: 'row',
@@ -45,42 +40,47 @@ export function createChatScreenStyles(colors: AppColors) {
     paddingHorizontal: spacing.md,
     paddingVertical: spacing.sm + 2,
     backgroundColor: colors.chat.card,
+    height: 56,
   },
   backButton: {
-    width: 38,
-    height: 38,
+    width: 36,
+    height: 36,
     alignItems: 'center',
     justifyContent: 'center',
-    borderRadius: 19,
-    backgroundColor: `${colors.primary.main}12`,
-    borderWidth: 1,
-    borderColor: `${colors.primary.main}26`,
+    borderRadius: 10,
+    backgroundColor: 'transparent',
   },
   headerCenter: {
-    alignItems: 'stretch',
     flex: 1,
+    alignItems: 'center',
     marginHorizontal: spacing.sm,
   },
   titleRow: {
     flexDirection: 'row',
     alignItems: 'center',
-    borderRadius: 14,
+    gap: spacing.sm,
     paddingHorizontal: spacing.sm,
-    paddingVertical: spacing.xs + 1,
-    gap: spacing.xs + 2,
-    flex: 1,
+    paddingVertical: spacing.xs,
+    borderRadius: 8,
   },
   titleLeading: {
-    width: 34,
-    height: 34,
-    borderRadius: 17,
+    width: 36,
+    height: 36,
+    borderRadius: 10,
     alignItems: 'center',
     justifyContent: 'center',
-    backgroundColor: `${colors.primary.main}14`,
+    backgroundColor: colors.chat.surfaceMuted,
+    overflow: 'hidden',
+  },
+  groupAvatar: {
+    width: 36,
+    height: 36,
+    borderRadius: 10,
   },
   titleContent: {
     flex: 1,
     minWidth: 0,
+    alignItems: 'center',
   },
   subtitleRow: {
     flexDirection: 'row',
@@ -90,30 +90,27 @@ export function createChatScreenStyles(colors: AppColors) {
     minHeight: 16,
   },
   headerName: {
-    fontWeight: '700',
+    fontWeight: '600',
     color: colors.text.primary,
-    fontSize: 17,
+    fontSize: 16,
     letterSpacing: -0.3,
   },
   memberCount: {
     fontSize: 12,
     color: colors.text.secondary,
-    fontWeight: '500',
+    fontWeight: '400',
   },
   typingHint: {
     fontSize: 12,
-    color: colors.primary.dark,
-    backgroundColor: `${colors.primary.main}14`,
-    borderRadius: 10,
-    paddingHorizontal: 6,
-    paddingVertical: 1,
+    color: colors.primary.main,
+    fontWeight: '500',
   },
   moreButton: {
-    width: 38,
-    height: 38,
+    width: 36,
+    height: 36,
     alignItems: 'center',
     justifyContent: 'center',
-    borderRadius: 19,
+    borderRadius: 10,
     backgroundColor: 'transparent',
   },
   headerActions: {
@@ -550,55 +547,62 @@ export function createChatScreenStyles(colors: AppColors) {
     borderTopWidth: 1,
     borderTopColor: colors.chat.border,
   },
-  panelCloseButton: {
-    width: 40,
-    height: 40,
-    alignItems: 'center',
-    justifyContent: 'center',
-    backgroundColor: colors.chat.card,
-    borderRadius: 8,
-    shadowColor: colors.chat.shadow,
-    shadowOffset: { width: 0, height: 1 },
-    shadowOpacity: 0.1,
-    shadowRadius: 2,
-    elevation: 2,
-  },
 
   // 面板内容区域
   panelContent: {
     flex: 1,
   },
 
-  // Tab 栏
+  // Tab 栏 - 现代胶囊式设计
   panelTabBar: {
     flexDirection: 'row',
     alignItems: 'center',
-    paddingHorizontal: spacing.sm,
-    paddingVertical: spacing.xs,
-    borderTopWidth: 1,
-    borderTopColor: colors.chat.border,
+    justifyContent: 'space-between',
+    paddingHorizontal: spacing.md,
+    paddingVertical: spacing.sm + 2,
+    borderTopWidth: StyleSheet.hairlineWidth,
+    borderTopColor: colors.chat.borderHairline,
     backgroundColor: colors.chat.card,
   },
+  panelTabContainer: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: colors.chat.surfaceMuted,
+    borderRadius: 12,
+    padding: 3,
+  },
   panelTab: {
-    width: 44,
-    height: 44,
+    width: 42,
+    height: 36,
     alignItems: 'center',
     justifyContent: 'center',
-    borderRadius: 8,
-    marginRight: spacing.xs,
+    borderRadius: 10,
   },
   panelTabActive: {
-    backgroundColor: colors.chat.replyTint,
+    backgroundColor: colors.chat.card,
+    shadowColor: colors.chat.shadow,
+    shadowOffset: { width: 0, height: 1 },
+    shadowOpacity: 0.08,
+    shadowRadius: 2,
+    elevation: 1,
   },
   panelTabEmoji: {
-    fontSize: 24,
+    fontSize: 22,
   },
   panelTabDivider: {
     width: 1,
-    height: 24,
-    backgroundColor: colors.chat.bubbleOutgoing,
+    height: 20,
+    backgroundColor: colors.chat.border,
     marginHorizontal: spacing.sm,
   },
+  panelCloseButton: {
+    width: 36,
+    height: 36,
+    alignItems: 'center',
+    justifyContent: 'center',
+    borderRadius: 10,
+    backgroundColor: colors.chat.surfaceMuted,
+  },
 
   // 自定义表情面板
   stickerLoadingContainer: {
@@ -643,35 +647,60 @@ export function createChatScreenStyles(colors: AppColors) {
     height: '100%',
   },
 
-  // 更多功能面板
+  // 更多功能面板 - 现代扁平化设计
   moreGrid: {
     flexDirection: 'row',
     flexWrap: 'wrap',
-    padding: spacing.lg,
+    paddingHorizontal: spacing.lg + 4,
+    paddingTop: spacing.lg,
+    paddingBottom: spacing.xl,
+    justifyContent: 'flex-start',
   },
   moreItem: {
-    width: (SCREEN_WIDTH - spacing.lg * 2) / 4,
+    width: (SCREEN_WIDTH - spacing.lg * 2 - 8) / 4,
     alignItems: 'center',
-    marginBottom: spacing.lg,
+    marginBottom: spacing.lg + 4,
   },
   moreIconContainer: {
-    width: 60,
-    height: 60,
-    borderRadius: 16,
+    width: 56,
+    height: 56,
+    borderRadius: 18,
     alignItems: 'center',
     justifyContent: 'center',
-    marginBottom: spacing.sm,
+    marginBottom: spacing.sm + 2,
     backgroundColor: colors.chat.card,
     shadowColor: colors.chat.shadow,
     shadowOffset: { width: 0, height: 2 },
-    shadowOpacity: 0.08,
-    shadowRadius: 4,
+    shadowOpacity: 0.06,
+    shadowRadius: 6,
     elevation: 2,
   },
+  moreIconGradient: {
+    width: 56,
+    height: 56,
+    borderRadius: 18,
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginBottom: spacing.sm + 2,
+    overflow: 'hidden',
+  },
+  moreIconInner: {
+    width: 56,
+    height: 56,
+    borderRadius: 18,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
   moreItemText: {
-    fontSize: 13,
-    color: colors.chat.textTertiary,
+    fontSize: 12,
+    color: colors.chat.textSecondary,
     fontWeight: '500',
+    letterSpacing: 0.3,
+  },
+  // MorePanel 整体背景
+  morePanelBackground: {
+    flex: 1,
+    backgroundColor: colors.chat.surfaceMuted,
   },
   
   // @成员选择浮层 - 绝对定位浮在输入框上方
diff --git a/src/screens/message/components/ChatScreen/types.ts b/src/screens/message/components/ChatScreen/types.ts
index 866f6bd..e803f02 100644
--- a/src/screens/message/components/ChatScreen/types.ts
+++ b/src/screens/message/components/ChatScreen/types.ts
@@ -48,6 +48,7 @@ export interface MoreAction {
   icon: string;
   name: string;
   color: string;
+  gradientColors?: [string, string]; // 渐变色配置
 }
 
 // 长按菜单项
@@ -129,6 +130,8 @@ export interface EmojiPanelProps {
 export interface MorePanelProps {
   onAction: (actionId: string) => void;
   disabledActionIds?: string[];
+  /** 是否为群聊（群聊中隐藏语音/视频通话） */
+  isGroupChat?: boolean;
 }
 
 // @成员选择面板 Props
@@ -168,7 +171,7 @@ export interface LongPressMenuProps {
 // 聊天头部 Props
 export interface ChatHeaderProps {
   isGroupChat: boolean;
-  groupInfo: { name?: string; member_count?: number } | null;
+  groupInfo: { name?: string; member_count?: number; avatar?: string | null } | null;
   otherUser: { id?: string; nickname?: string; avatar?: string | null } | null;
   routeGroupName?: string;
   typingHint: string | null;