diff --git a/src/pages/Chat/ChatHeader.tsx b/src/pages/Chat/ChatHeader.tsx
new file mode 100644
index 0000000..1293b7f
--- /dev/null
+++ b/src/pages/Chat/ChatHeader.tsx
@@ -0,0 +1,234 @@
+import React from 'react'
+import {
+  Aperture,
+  BarChart3,
+  Calendar,
+  Download,
+  Image as ImageIcon,
+  Info,
+  Loader2,
+  Mic,
+  RefreshCw,
+  Search,
+  Users
+} from 'lucide-react'
+import { Avatar } from '../../components/Avatar'
+import type { ChatSession } from '../../types/models'
+import type { BatchVoiceTaskType } from '../../stores/batchTranscribeStore'
+
+export interface ChatHeaderProps {
+  session: ChatSession
+  isGroupChat: boolean
+  standaloneSessionWindow: boolean
+  showGroupMembersPanel: boolean
+  showJumpPopover: boolean
+  showInSessionSearch: boolean
+  showDetailPanel: boolean
+  shouldHideStandaloneDetailButton: boolean
+  isPrivateSnsSupported: boolean
+  isExportActionBusy: boolean
+  isCurrentSessionExporting: boolean
+  isPreparingExportDialog: boolean
+  isBatchTranscribing: boolean
+  runningBatchVoiceTaskType?: BatchVoiceTaskType
+  isBatchDecrypting: boolean
+  isRefreshingMessages: boolean
+  isLoadingMessages: boolean
+  currentSessionId?: string | null
+  jumpCalendarWrapRef: React.RefObject<HTMLDivElement | null>
+  onGroupAnalytics: () => void
+  onToggleGroupMembersPanel: () => void
+  onExportCurrentSession: () => void
+  onOpenSnsTimeline: () => void
+  onBatchTranscribe: () => void
+  onBatchDecrypt: () => void
+  onToggleJumpPopover: () => void
+  onToggleInSessionSearch: () => void
+  onRefreshMessages: () => void
+  onToggleDetailPanel: () => void
+}
+
+function ChatHeader({
+  session,
+  isGroupChat,
+  standaloneSessionWindow,
+  showGroupMembersPanel,
+  showJumpPopover,
+  showInSessionSearch,
+  showDetailPanel,
+  shouldHideStandaloneDetailButton,
+  isPrivateSnsSupported,
+  isExportActionBusy,
+  isCurrentSessionExporting,
+  isPreparingExportDialog,
+  isBatchTranscribing,
+  runningBatchVoiceTaskType,
+  isBatchDecrypting,
+  isRefreshingMessages,
+  isLoadingMessages,
+  currentSessionId,
+  jumpCalendarWrapRef,
+  onGroupAnalytics,
+  onToggleGroupMembersPanel,
+  onExportCurrentSession,
+  onOpenSnsTimeline,
+  onBatchTranscribe,
+  onBatchDecrypt,
+  onToggleJumpPopover,
+  onToggleInSessionSearch,
+  onRefreshMessages,
+  onToggleDetailPanel
+}: ChatHeaderProps) {
+  const sessionName = session.displayName || session.username
+  const exportTitle = isCurrentSessionExporting
+    ? '导出中'
+    : isPreparingExportDialog
+      ? '正在准备导出模块'
+      : '导出当前会话'
+  const batchVoiceTitle = isBatchTranscribing
+    ? `${runningBatchVoiceTaskType === 'decrypt' ? '批量语音解密' : '批量转写'}中，可在导出页任务中心查看进度`
+    : '批量语音处理'
+
+  return (
+    <div className="message-header">
+      <Avatar
+        src={session.avatarUrl}
+        name={sessionName}
+        size={40}
+        className={isGroupChat ? 'group session-avatar' : 'session-avatar'}
+      />
+      <div className="header-info">
+        <h3>{sessionName}</h3>
+        {isGroupChat && <div className="header-subtitle">群聊</div>}
+      </div>
+      <div className="header-actions">
+        {!standaloneSessionWindow && isGroupChat && (
+          <button className="icon-btn group-analytics-btn" onClick={onGroupAnalytics} title="群聊分析">
+            <BarChart3 size={18} />
+          </button>
+        )}
+        {isGroupChat && (
+          <button
+            className={`icon-btn group-members-btn ${showGroupMembersPanel ? 'active' : ''}`}
+            onClick={onToggleGroupMembersPanel}
+            title="群成员"
+          >
+            <Users size={18} />
+          </button>
+        )}
+        {!standaloneSessionWindow && (
+          <button
+            className={`icon-btn export-session-btn${isExportActionBusy ? ' exporting' : ''}`}
+            onClick={onExportCurrentSession}
+            disabled={!currentSessionId || isExportActionBusy}
+            title={exportTitle}
+          >
+            {isExportActionBusy ? <Loader2 size={18} className="spin" /> : <Download size={18} />}
+          </button>
+        )}
+        {!standaloneSessionWindow && isPrivateSnsSupported && (
+          <button
+            className="icon-btn chat-sns-timeline-btn"
+            onClick={onOpenSnsTimeline}
+            disabled={!currentSessionId}
+            title="查看朋友圈"
+          >
+            <Aperture size={18} />
+          </button>
+        )}
+        {!standaloneSessionWindow && (
+          <button
+            className={`icon-btn batch-transcribe-btn${isBatchTranscribing ? ' transcribing' : ''}`}
+            onClick={onBatchTranscribe}
+            disabled={!currentSessionId}
+            title={batchVoiceTitle}
+          >
+            {isBatchTranscribing ? <Loader2 size={18} className="spin" /> : <Mic size={18} />}
+          </button>
+        )}
+        {!standaloneSessionWindow && (
+          <button
+            className={`icon-btn batch-decrypt-btn${isBatchDecrypting ? ' transcribing' : ''}`}
+            onClick={onBatchDecrypt}
+            disabled={!currentSessionId}
+            title={isBatchDecrypting ? '批量解密中' : '批量解密图片'}
+          >
+            {isBatchDecrypting ? <Loader2 size={18} className="spin" /> : <ImageIcon size={18} />}
+          </button>
+        )}
+        <div className="jump-calendar-anchor" ref={jumpCalendarWrapRef}>
+          <button
+            className={`icon-btn jump-to-time-btn ${showJumpPopover ? 'active' : ''}`}
+            onClick={onToggleJumpPopover}
+            title="跳转到指定时间"
+          >
+            <Calendar size={18} />
+          </button>
+        </div>
+        <button
+          className={`icon-btn in-session-search-btn ${showInSessionSearch ? 'active' : ''}`}
+          onClick={onToggleInSessionSearch}
+          disabled={!currentSessionId}
+          title="搜索会话消息"
+        >
+          <Search size={18} />
+        </button>
+        <button
+          className="icon-btn refresh-messages-btn"
+          onClick={onRefreshMessages}
+          disabled={isRefreshingMessages || isLoadingMessages}
+          title="刷新消息"
+        >
+          <RefreshCw size={18} className={isRefreshingMessages ? 'spin' : ''} />
+        </button>
+        {!shouldHideStandaloneDetailButton && (
+          <button
+            className={`icon-btn detail-btn ${showDetailPanel ? 'active' : ''}`}
+            onClick={onToggleDetailPanel}
+            title="会话详情"
+          >
+            <Info size={18} />
+          </button>
+        )}
+      </div>
+    </div>
+  )
+}
+
+function areEqual(prev: ChatHeaderProps, next: ChatHeaderProps) {
+  return (
+    prev.session.username === next.session.username &&
+    prev.session.displayName === next.session.displayName &&
+    prev.session.avatarUrl === next.session.avatarUrl &&
+    prev.isGroupChat === next.isGroupChat &&
+    prev.standaloneSessionWindow === next.standaloneSessionWindow &&
+    prev.showGroupMembersPanel === next.showGroupMembersPanel &&
+    prev.showJumpPopover === next.showJumpPopover &&
+    prev.showInSessionSearch === next.showInSessionSearch &&
+    prev.showDetailPanel === next.showDetailPanel &&
+    prev.shouldHideStandaloneDetailButton === next.shouldHideStandaloneDetailButton &&
+    prev.isPrivateSnsSupported === next.isPrivateSnsSupported &&
+    prev.isExportActionBusy === next.isExportActionBusy &&
+    prev.isCurrentSessionExporting === next.isCurrentSessionExporting &&
+    prev.isPreparingExportDialog === next.isPreparingExportDialog &&
+    prev.isBatchTranscribing === next.isBatchTranscribing &&
+    prev.runningBatchVoiceTaskType === next.runningBatchVoiceTaskType &&
+    prev.isBatchDecrypting === next.isBatchDecrypting &&
+    prev.isRefreshingMessages === next.isRefreshingMessages &&
+    prev.isLoadingMessages === next.isLoadingMessages &&
+    prev.currentSessionId === next.currentSessionId &&
+    prev.jumpCalendarWrapRef === next.jumpCalendarWrapRef &&
+    prev.onGroupAnalytics === next.onGroupAnalytics &&
+    prev.onToggleGroupMembersPanel === next.onToggleGroupMembersPanel &&
+    prev.onExportCurrentSession === next.onExportCurrentSession &&
+    prev.onOpenSnsTimeline === next.onOpenSnsTimeline &&
+    prev.onBatchTranscribe === next.onBatchTranscribe &&
+    prev.onBatchDecrypt === next.onBatchDecrypt &&
+    prev.onToggleJumpPopover === next.onToggleJumpPopover &&
+    prev.onToggleInSessionSearch === next.onToggleInSessionSearch &&
+    prev.onRefreshMessages === next.onRefreshMessages &&
+    prev.onToggleDetailPanel === next.onToggleDetailPanel
+  )
+}
+
+export default React.memo(ChatHeader, areEqual)
diff --git a/src/pages/Chat/ChatInputArea.tsx b/src/pages/Chat/ChatInputArea.tsx
new file mode 100644
index 0000000..c8303d5
--- /dev/null
+++ b/src/pages/Chat/ChatInputArea.tsx
@@ -0,0 +1,42 @@
+import React from 'react'
+import { Lock, Search } from 'lucide-react'
+
+export interface ChatInputAreaProps {
+  disabled?: boolean
+  placeholder?: string
+  onFocusSearch?: () => void
+}
+
+function ChatInputArea({
+  disabled = true,
+  placeholder = '聊天记录',
+  onFocusSearch
+}: ChatInputAreaProps) {
+  return (
+    <div className="chat-input-area" aria-hidden={disabled ? undefined : false}>
+      <button
+        type="button"
+        className="chat-input-search-btn"
+        onClick={onFocusSearch}
+        disabled={!onFocusSearch}
+        title="搜索"
+      >
+        <Search size={16} />
+      </button>
+      <div className="chat-input-shell">
+        <Lock size={15} />
+        <span>{placeholder}</span>
+      </div>
+    </div>
+  )
+}
+
+function areEqual(prev: ChatInputAreaProps, next: ChatInputAreaProps) {
+  return (
+    prev.disabled === next.disabled &&
+    prev.placeholder === next.placeholder &&
+    prev.onFocusSearch === next.onFocusSearch
+  )
+}
+
+export default React.memo(ChatInputArea, areEqual)
diff --git a/src/pages/Chat/ChatMessageBubble.tsx b/src/pages/Chat/ChatMessageBubble.tsx
new file mode 100644
index 0000000..d88c6fd
--- /dev/null
+++ b/src/pages/Chat/ChatMessageBubble.tsx
@@ -0,0 +1,136 @@
+import React from 'react'
+import { Check } from 'lucide-react'
+import { Avatar } from '../../components/Avatar'
+import type { ChatSession, Message } from '../../types/models'
+
+export interface ChatMessageBubbleProps {
+  message: Message
+  messageKey: string
+  session: ChatSession
+  showTime?: boolean
+  timeText?: string
+  isSent: boolean
+  isSystem: boolean
+  isEmoji?: boolean
+  isImage?: boolean
+  isVoice?: boolean
+  emojiHasAsset?: boolean
+  emojiError?: boolean
+  avatarUrl?: string
+  isGroupChat?: boolean
+  resolvedSenderName?: string
+  isSelectionMode?: boolean
+  isSelected?: boolean
+  onContextMenu?: (event: React.MouseEvent, message: Message) => void
+  onToggleSelection?: (messageKey: string, isShiftKey?: boolean) => void
+  children: React.ReactNode
+  portal?: React.ReactNode
+}
+
+function SelectionCheckbox({ checked, side }: { checked?: boolean; side: 'left' | 'right' }) {
+  return (
+    <div className={`chat-selection-checkbox ${side} ${checked ? 'checked' : ''}`}>
+      {checked && <Check size={14} strokeWidth={3} />}
+    </div>
+  )
+}
+
+function ChatMessageBubble({
+  message,
+  messageKey,
+  session,
+  showTime,
+  timeText,
+  isSent,
+  isSystem,
+  isEmoji,
+  isImage,
+  isVoice,
+  emojiHasAsset,
+  emojiError,
+  avatarUrl,
+  isGroupChat,
+  resolvedSenderName,
+  isSelectionMode,
+  isSelected,
+  onContextMenu,
+  onToggleSelection,
+  children,
+  portal
+}: ChatMessageBubbleProps) {
+  const bubbleClass = isSystem ? 'system' : (isSent ? 'sent' : 'received')
+  const avatarName = !isSent
+    ? (isGroupChat ? (resolvedSenderName || '?') : (session.displayName || session.username))
+    : '我'
+
+  return (
+    <>
+      {showTime && timeText && (
+        <div className="time-divider">
+          <span>{timeText}</span>
+        </div>
+      )}
+      <div
+        className={`message-wrapper-with-selection ${isSelectionMode ? 'selectable' : ''}`}
+        data-sent={isSent ? 'true' : 'false'}
+        onClick={(event) => {
+          if (!isSelectionMode) return
+          event.stopPropagation()
+          onToggleSelection?.(messageKey, event.shiftKey)
+        }}
+      >
+        {isSelectionMode && !isSent && <SelectionCheckbox checked={isSelected} side="left" />}
+
+        <div
+          className={`message-bubble ${bubbleClass} ${isEmoji && emojiHasAsset && !emojiError ? 'emoji' : ''} ${isImage ? 'image' : ''} ${isVoice ? 'voice' : ''}`}
+          onContextMenu={(event) => onContextMenu?.(event, message)}
+        >
+          <div className="bubble-avatar">
+            <Avatar src={avatarUrl} name={avatarName} size={36} className="bubble-avatar" />
+          </div>
+          <div className="bubble-body">
+            {isGroupChat && !isSent && (
+              <div className="sender-name">
+                {resolvedSenderName || '群成员'}
+              </div>
+            )}
+            {children}
+          </div>
+        </div>
+
+        {isSelectionMode && isSent && <SelectionCheckbox checked={isSelected} side="right" />}
+        {portal}
+      </div>
+    </>
+  )
+}
+
+function areEqual(prev: ChatMessageBubbleProps, next: ChatMessageBubbleProps) {
+  return (
+    prev.message === next.message &&
+    prev.messageKey === next.messageKey &&
+    prev.session.username === next.session.username &&
+    prev.session.displayName === next.session.displayName &&
+    prev.session.avatarUrl === next.session.avatarUrl &&
+    prev.showTime === next.showTime &&
+    prev.timeText === next.timeText &&
+    prev.isSent === next.isSent &&
+    prev.isSystem === next.isSystem &&
+    prev.isEmoji === next.isEmoji &&
+    prev.isImage === next.isImage &&
+    prev.isVoice === next.isVoice &&
+    prev.emojiHasAsset === next.emojiHasAsset &&
+    prev.emojiError === next.emojiError &&
+    prev.avatarUrl === next.avatarUrl &&
+    prev.isGroupChat === next.isGroupChat &&
+    prev.resolvedSenderName === next.resolvedSenderName &&
+    prev.isSelectionMode === next.isSelectionMode &&
+    prev.isSelected === next.isSelected &&
+    prev.onContextMenu === next.onContextMenu &&
+    prev.onToggleSelection === next.onToggleSelection &&
+    prev.children === next.children &&
+    prev.portal === next.portal
+  )
+}
+
+export default React.memo(ChatMessageBubble, areEqual)
diff --git a/src/pages/ChatPage.scss b/src/pages/ChatPage.scss
index e998744..39ad989 100644
--- a/src/pages/ChatPage.scss
+++ b/src/pages/ChatPage.scss
@@ -5301,3 +5301,581 @@
 .in-session-search-btn.active {
   color: var(--accent-color, #07c160);
 }
+
+// Modern chat surface overrides for the refactored Chat components.
+.chat-page {
+  gap: 0;
+  background: var(--bg-sidebar);
+
+  &:not(.standalone) {
+    .message-area {
+      margin-left: 0;
+    }
+  }
+}
+
+.session-sidebar {
+  background: var(--bg-sidebar);
+  border-right: 0;
+  border-radius: 0;
+}
+
+.resize-handle {
+  background: transparent;
+
+  &:hover {
+    background: color-mix(in srgb, var(--text-tertiary) 18%, transparent);
+  }
+}
+
+.message-area {
+  background: var(--bg-primary);
+  border-radius: 0;
+  box-shadow: none;
+}
+
+.chat-page.standalone {
+  background: var(--bg-primary);
+
+  .session-sidebar {
+    background: var(--bg-sidebar);
+    border-right: 0;
+    backdrop-filter: none;
+  }
+
+  .message-area {
+    background: var(--bg-primary);
+
+    .message-header {
+      min-height: 64px;
+      padding: 12px 22px;
+      border-bottom: 0;
+      background: color-mix(in srgb, var(--bg-primary) 88%, transparent);
+      backdrop-filter: blur(14px);
+      box-shadow: 0 1px 0 color-mix(in srgb, var(--border-color) 70%, transparent);
+
+      .session-avatar {
+        width: 36px;
+        height: 36px;
+        border-radius: 50%;
+      }
+
+      .header-actions .icon-btn {
+        width: 34px;
+        height: 34px;
+        border: 0;
+        border-radius: 8px;
+        background: transparent;
+        color: var(--text-secondary);
+        box-shadow: none;
+
+        &:hover {
+          background: var(--bg-hover);
+          color: var(--text-primary);
+          box-shadow: none;
+        }
+
+        &.active {
+          background: var(--primary-light);
+          color: var(--primary);
+        }
+      }
+    }
+
+    .message-list {
+      background: var(--bg-primary);
+      padding: 18px clamp(16px, 3vw, 48px) 104px;
+      padding-bottom: calc(104px + env(safe-area-inset-bottom));
+    }
+  }
+}
+
+.message-header {
+  min-height: 64px;
+  padding: 12px 22px;
+  border-bottom: 0;
+  background: color-mix(in srgb, var(--bg-primary) 88%, transparent);
+  backdrop-filter: blur(14px);
+  box-shadow: 0 1px 0 color-mix(in srgb, var(--border-color) 70%, transparent);
+
+  .session-avatar {
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+  }
+
+  .header-info {
+    min-width: 0;
+
+    h3 {
+      font-size: 15px;
+      font-weight: 600;
+      letter-spacing: 0;
+      line-height: 1.25;
+    }
+  }
+
+  .header-actions {
+    gap: 2px;
+  }
+
+  .icon-btn {
+    width: 34px;
+    height: 34px;
+    border: 0;
+    border-radius: 8px;
+    background: transparent;
+    color: var(--text-secondary);
+    box-shadow: none;
+
+    &:hover {
+      background: var(--bg-hover);
+      color: var(--text-primary);
+      box-shadow: none;
+    }
+
+    &.active {
+      background: var(--primary-light);
+      color: var(--primary);
+    }
+  }
+}
+
+.message-content-wrapper {
+  background: var(--bg-primary);
+}
+
+.message-list {
+  background: var(--bg-primary);
+  padding: 18px clamp(16px, 3vw, 48px) 104px;
+  padding-bottom: calc(104px + env(safe-area-inset-bottom));
+  gap: 0;
+}
+
+.message-wrapper {
+  padding-bottom: 14px;
+
+  &.sent {
+    align-items: flex-end;
+  }
+
+  &.received {
+    align-items: flex-start;
+  }
+}
+
+.message-wrapper-with-selection {
+  display: flex;
+  align-items: flex-start;
+  width: 100%;
+  cursor: default;
+
+  &[data-sent="true"] {
+    justify-content: flex-end;
+  }
+
+  &[data-sent="false"] {
+    justify-content: flex-start;
+  }
+
+  &.selectable {
+    cursor: pointer;
+  }
+}
+
+.chat-selection-checkbox {
+  width: 20px;
+  height: 20px;
+  border-radius: 6px;
+  border: 1.5px solid color-mix(in srgb, var(--text-tertiary) 55%, transparent);
+  background: transparent;
+  color: var(--on-primary);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  margin-top: 9px;
+
+  &.left {
+    margin-right: 12px;
+  }
+
+  &.right {
+    margin-left: 12px;
+  }
+
+  &.checked {
+    background: var(--primary);
+    border-color: var(--primary);
+  }
+}
+
+.message-bubble {
+  gap: 10px;
+  max-width: min(76%, 760px);
+
+  .bubble-avatar {
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+    background: var(--bg-tertiary);
+  }
+
+  .bubble-body {
+    min-width: 0;
+    width: fit-content;
+  }
+
+  .bubble-content {
+    border-radius: 18px;
+    padding: 10px 14px;
+    line-height: 1.56;
+    box-shadow: none;
+    border: 0;
+  }
+
+  &.sent {
+    .bubble-content {
+      background: #3b82f6;
+      color: #fff;
+      border-radius: 18px;
+    }
+
+    .bubble-body {
+      align-items: flex-end;
+    }
+  }
+
+  &.received {
+    .bubble-content {
+      background: var(--bg-tertiary);
+      color: var(--text-primary);
+      border-radius: 18px;
+      backdrop-filter: none;
+    }
+
+    .bubble-body {
+      align-items: flex-start;
+    }
+  }
+
+  &.system {
+    max-width: min(86%, 680px);
+
+    .bubble-avatar {
+      display: none;
+    }
+
+    .bubble-content {
+      background: color-mix(in srgb, var(--bg-tertiary) 70%, transparent);
+      color: var(--text-tertiary);
+      border-radius: 999px;
+      padding: 6px 12px;
+      text-align: center;
+    }
+  }
+
+  &.emoji,
+  &.image {
+    max-width: min(82%, 760px);
+
+    .bubble-content {
+      background: transparent;
+      padding: 0;
+    }
+  }
+
+  &.voice.sent .bubble-content {
+    background: var(--bg-tertiary);
+    color: var(--text-primary);
+  }
+}
+
+.message-bubble .bubble-content:has(> .link-message),
+.message-bubble .bubble-content:has(> .card-message),
+.message-bubble .bubble-content:has(> .chat-record-message),
+.message-bubble .bubble-content:has(> .solitaire-message),
+.message-bubble .bubble-content:has(> .official-message),
+.message-bubble .bubble-content:has(> .channel-video-card),
+.message-bubble .bubble-content:has(> .location-message),
+.message-bubble .bubble-content:has(> .hongbao-message),
+.message-bubble .bubble-content:has(> .transfer-message),
+.message-bubble .bubble-content:has(> .gift-message),
+.message-bubble .bubble-content:has(> .miniapp-message),
+.message-bubble .bubble-content:has(> .file-message) {
+  background: transparent !important;
+  padding: 0 !important;
+  border: 0 !important;
+  box-shadow: none !important;
+}
+
+.sender-name {
+  color: var(--text-tertiary);
+  font-size: 12px;
+  margin-bottom: 5px;
+}
+
+.quoted-message {
+  background: transparent;
+  border-left: 2px solid color-mix(in srgb, var(--primary) 62%, var(--text-tertiary));
+  border-radius: 0;
+  padding: 2px 0 2px 10px;
+  color: var(--text-secondary);
+}
+
+.message-bubble.sent .quoted-message {
+  background: color-mix(in srgb, #fff 12%, transparent);
+  border-left-color: color-mix(in srgb, #fff 62%, #3b82f6);
+
+  .quoted-sender,
+  .quoted-text {
+    color: color-mix(in srgb, #fff 82%, #3b82f6);
+  }
+}
+
+.link-message,
+.card-message,
+.chat-record-message,
+.solitaire-message,
+.official-message,
+.channel-video-card,
+.location-message,
+.miniapp-message,
+.file-message {
+  background: var(--card-bg);
+  border: 1px solid var(--border-color);
+  border-radius: 12px;
+  box-shadow: var(--shadow-sm);
+}
+
+.link-message,
+.appmsg-rich-card {
+  width: min(320px, calc(100vw - 112px));
+  overflow: hidden;
+
+  &:hover {
+    background: var(--bg-hover);
+    border-color: color-mix(in srgb, var(--primary) 35%, var(--border-color));
+  }
+
+  .link-thumb,
+  .link-thumb-placeholder {
+    border-radius: 8px;
+  }
+}
+
+.message-bubble.sent .link-message,
+.message-bubble.sent .card-message,
+.message-bubble.sent .miniapp-message,
+.message-bubble.sent .appmsg-rich-card {
+  background: var(--card-bg);
+  border-color: var(--border-color);
+
+  .card-name,
+  .miniapp-title,
+  .link-title {
+    color: var(--text-primary);
+  }
+
+  .card-label,
+  .miniapp-label,
+  .link-desc,
+  .appmsg-url-line {
+    color: var(--text-secondary);
+  }
+}
+
+.hongbao-message,
+.transfer-message,
+.gift-message {
+  width: min(280px, calc(100vw - 112px));
+  background: var(--card-bg);
+  border: 1px solid var(--border-color);
+  border-radius: 14px;
+  box-shadow: var(--shadow-sm);
+  color: var(--text-primary);
+}
+
+.hongbao-message,
+.transfer-message {
+  padding: 14px;
+
+  .hongbao-icon,
+  .transfer-icon {
+    width: 38px;
+    height: 38px;
+    border-radius: 12px;
+    display: grid;
+    place-items: center;
+    flex-shrink: 0;
+  }
+
+  .hongbao-icon {
+    background: #ef4444;
+  }
+
+  .transfer-icon {
+    background: #f59e0b;
+  }
+
+  .hongbao-info,
+  .transfer-info {
+    color: var(--text-primary);
+  }
+
+  .hongbao-greeting,
+  .transfer-amount {
+    color: var(--text-primary);
+    text-shadow: none;
+  }
+
+  .hongbao-label,
+  .transfer-desc,
+  .transfer-memo,
+  .transfer-label {
+    color: var(--text-secondary);
+    opacity: 1;
+    text-shadow: none;
+  }
+}
+
+.transfer-message.received .transfer-icon {
+  background: #64748b;
+}
+
+.gift-message {
+  padding: 12px;
+
+  .gift-info {
+    color: var(--text-primary);
+  }
+
+  .gift-wish,
+  .gift-price {
+    color: var(--text-primary);
+  }
+
+  .gift-label {
+    color: var(--text-secondary);
+    opacity: 1;
+  }
+}
+
+[data-mode="dark"] {
+  .hongbao-message,
+  .transfer-message,
+  .gift-message {
+    background: #2b2b2b;
+    border-color: rgba(255, 255, 255, 0.08);
+  }
+
+  .message-bubble.received .bubble-content,
+  .message-bubble.voice.sent .bubble-content {
+    background: #2f2f2f;
+  }
+}
+
+.chat-input-area {
+  position: absolute;
+  left: max(18px, env(safe-area-inset-left));
+  right: max(18px, env(safe-area-inset-right));
+  bottom: calc(14px + env(safe-area-inset-bottom));
+  z-index: 5;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  pointer-events: none;
+
+  &::before {
+    content: '';
+    position: absolute;
+    left: -18px;
+    right: -18px;
+    bottom: -14px;
+    height: 86px;
+    background: linear-gradient(to top, var(--bg-primary) 62%, transparent);
+    pointer-events: none;
+    z-index: -1;
+  }
+}
+
+.chat-input-search-btn,
+.chat-input-shell {
+  height: 44px;
+  border: 1px solid var(--border-color);
+  background: color-mix(in srgb, var(--bg-primary) 92%, transparent);
+  color: var(--text-secondary);
+  box-shadow: var(--shadow-sm);
+  backdrop-filter: blur(14px);
+}
+
+.chat-input-search-btn {
+  width: 44px;
+  border-radius: 12px;
+  display: grid;
+  place-items: center;
+  cursor: pointer;
+  pointer-events: auto;
+
+  &:hover:not(:disabled) {
+    background: var(--bg-hover);
+    color: var(--text-primary);
+  }
+
+  &:disabled {
+    cursor: default;
+    opacity: 0.72;
+  }
+}
+
+.chat-input-shell {
+  width: min(680px, 100%);
+  border-radius: 14px;
+  padding: 0 14px;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-size: 13px;
+}
+
+.scroll-to-bottom {
+  bottom: 74px;
+  background: color-mix(in srgb, var(--bg-primary) 92%, transparent);
+  color: var(--text-primary);
+  border: 1px solid var(--border-color);
+  box-shadow: var(--shadow-sm);
+
+  &:hover {
+    background: var(--bg-hover);
+    color: var(--text-primary);
+  }
+}
+
+@media (max-width: 720px) {
+  .message-header {
+    padding-inline: 14px;
+
+    .header-actions {
+      gap: 0;
+    }
+
+    .icon-btn {
+      width: 32px;
+      height: 32px;
+    }
+  }
+
+  .message-list {
+    padding-inline: 14px;
+  }
+
+  .message-bubble {
+    max-width: 88%;
+  }
+
+  .chat-input-area {
+    left: 12px;
+    right: 12px;
+  }
+}
diff --git a/src/pages/ChatPage.tsx b/src/pages/ChatPage.tsx
index 6194a5f..e8b320f 100644
--- a/src/pages/ChatPage.tsx
+++ b/src/pages/ChatPage.tsx
@@ -29,6 +29,9 @@ import {
   onSingleExportDialogStatus,
   requestExportSessionStatus
 } from '../services/exportBridge'
+import ChatHeader from './Chat/ChatHeader'
+import ChatInputArea from './Chat/ChatInputArea'
+import ChatMessageBubble from './Chat/ChatMessageBubble'
 import '../styles/batchTranscribe.scss'
 import './ChatPage.scss'
 
@@ -6988,155 +6991,62 @@ function ChatPage(props: ChatPageProps) {
             <BizMessageArea account={selectedBizAccount} />
         ) : currentSession ? (
             <>
-              <div className="message-header">
-              <Avatar
-                src={currentSession.avatarUrl}
-                name={currentSession.displayName || currentSession.username}
-                size={40}
-                className={isCurrentSessionGroup ? 'group session-avatar' : 'session-avatar'}
+              <ChatHeader
+                session={currentSession}
+                isGroupChat={isCurrentSessionGroup}
+                standaloneSessionWindow={standaloneSessionWindow}
+                showGroupMembersPanel={showGroupMembersPanel}
+                showJumpPopover={showJumpPopover}
+                showInSessionSearch={showInSessionSearch}
+                showDetailPanel={showDetailPanel}
+                shouldHideStandaloneDetailButton={shouldHideStandaloneDetailButton}
+                isPrivateSnsSupported={isCurrentSessionPrivateSnsSupported}
+                isExportActionBusy={isExportActionBusy}
+                isCurrentSessionExporting={isCurrentSessionExporting}
+                isPreparingExportDialog={isPreparingExportDialog}
+                isBatchTranscribing={isBatchTranscribing}
+                runningBatchVoiceTaskType={runningBatchVoiceTaskType}
+                isBatchDecrypting={isBatchDecrypting}
+                isRefreshingMessages={isRefreshingMessages}
+                isLoadingMessages={isLoadingMessages}
+                currentSessionId={currentSessionId}
+                jumpCalendarWrapRef={jumpCalendarWrapRef}
+                onGroupAnalytics={handleGroupAnalytics}
+                onToggleGroupMembersPanel={toggleGroupMembersPanel}
+                onExportCurrentSession={handleExportCurrentSession}
+                onOpenSnsTimeline={openCurrentSessionSnsTimeline}
+                onBatchTranscribe={handleBatchTranscribe}
+                onBatchDecrypt={handleBatchDecrypt}
+                onToggleJumpPopover={handleToggleJumpPopover}
+                onToggleInSessionSearch={handleToggleInSessionSearch}
+                onRefreshMessages={handleRefreshMessages}
+                onToggleDetailPanel={toggleDetailPanel}
               />
-              <div className="header-info">
-                <h3>{currentSession.displayName || currentSession.username}</h3>
-                {isCurrentSessionGroup && (
-                  <div className="header-subtitle">群聊</div>
-                )}
-              </div>
-              <div className="header-actions">
-                {!standaloneSessionWindow && isCurrentSessionGroup && (
-                  <button
-                    className="icon-btn group-analytics-btn"
-                    onClick={handleGroupAnalytics}
-                    title="群聊分析"
-                  >
-                    <BarChart3 size={18} />
-                  </button>
-                )}
-                {isCurrentSessionGroup && (
-                  <button
-                    className={`icon-btn group-members-btn ${showGroupMembersPanel ? 'active' : ''}`}
-                    onClick={toggleGroupMembersPanel}
-                    title="群成员"
-                  >
-                    <Users size={18} />
-                  </button>
-                )}
-                {!standaloneSessionWindow && (
-                  <button
-                    className={`icon-btn export-session-btn${isExportActionBusy ? ' exporting' : ''}`}
-                    onClick={handleExportCurrentSession}
-                    disabled={!currentSessionId || isExportActionBusy}
-                    title={isCurrentSessionExporting ? '导出中' : isPreparingExportDialog ? '正在准备导出模块' : '导出当前会话'}
-                  >
-                    {isExportActionBusy ? (
-                      <Loader2 size={18} className="spin" />
-                    ) : (
-                      <Download size={18} />
-                    )}
-                  </button>
-                )}
-                {!standaloneSessionWindow && isCurrentSessionPrivateSnsSupported && (
-                  <button
-                    className="icon-btn chat-sns-timeline-btn"
-                    onClick={openCurrentSessionSnsTimeline}
-                    disabled={!currentSessionId}
-                    title="查看对方朋友圈"
-                  >
-                    <Aperture size={18} />
-                  </button>
-                )}
-                {!standaloneSessionWindow && (
-                  <button
-                    className={`icon-btn batch-transcribe-btn${isBatchTranscribing ? ' transcribing' : ''}`}
-                    onClick={handleBatchTranscribe}
-                    disabled={!currentSessionId}
-                    title={isBatchTranscribing
-                      ? `${runningBatchVoiceTaskType === 'decrypt' ? '批量语音解密' : '批量转写'}中，可在导出页任务中心查看进度`
-                      : '批量语音处理（解密/转文字）'}
-                  >
-                    {isBatchTranscribing ? (
-                      <Loader2 size={18} className="spin" />
-                    ) : (
-                      <Mic size={18} />
-                    )}
-                  </button>
-                )}
-                {!standaloneSessionWindow && (
-                  <button
-                    className={`icon-btn batch-decrypt-btn${isBatchDecrypting ? ' transcribing' : ''}`}
-                    onClick={handleBatchDecrypt}
-                    disabled={!currentSessionId}
-                    title={isBatchDecrypting
-                      ? '批量解密中，可在导出页任务中心查看进度'
-                      : '批量解密图片'}
-                  >
-                    {isBatchDecrypting ? (
-                      <Loader2 size={18} className="spin" />
-                    ) : (
-                      <ImageIcon size={18} />
-                    )}
-                  </button>
-                )}
-                <div className="jump-calendar-anchor" ref={jumpCalendarWrapRef}>
-                  <button
-                    className={`icon-btn jump-to-time-btn ${showJumpPopover ? 'active' : ''}`}
-                    onClick={handleToggleJumpPopover}
-                    title="跳转到指定时间"
-                  >
-                    <Calendar size={18} />
-                  </button>
-                </div>
-                {showJumpPopover && createPortal(
-                  <div
-                    ref={jumpPopoverPortalRef}
-                    style={{
-                      position: 'fixed',
-                      top: jumpPopoverPosition.top,
-                      left: jumpPopoverPosition.left,
-                      zIndex: 3600
-                    }}
-                  >
-                    <JumpToDatePopover
-                      isOpen={showJumpPopover}
-                      currentDate={jumpPopoverDate}
-                      onClose={() => setShowJumpPopover(false)}
-                      onSelect={handleJumpDateSelect}
-                      messageDates={messageDates}
-                      hasLoadedMessageDates={hasLoadedMessageDates}
-                      messageDateCounts={messageDateCounts}
-                      loadingDates={loadingDates}
-                      loadingDateCounts={loadingDateCounts}
-                      style={{ position: 'static', top: 'auto', right: 'auto' }}
-                    />
-                  </div>,
-                  document.body
-                )}
-                <button
-                  className={`icon-btn in-session-search-btn ${showInSessionSearch ? 'active' : ''}`}
-                  onClick={handleToggleInSessionSearch}
-                  disabled={!currentSessionId}
-                  title="搜索会话消息"
+              {showJumpPopover && createPortal(
+                <div
+                  ref={jumpPopoverPortalRef}
+                  style={{
+                    position: 'fixed',
+                    top: jumpPopoverPosition.top,
+                    left: jumpPopoverPosition.left,
+                    zIndex: 3600
+                  }}
                 >
-                  <Search size={18} />
-                </button>
-                <button
-                  className="icon-btn refresh-messages-btn"
-                  onClick={handleRefreshMessages}
-                  disabled={isRefreshingMessages || isLoadingMessages}
-                  title="刷新消息"
-                >
-                  <RefreshCw size={18} className={isRefreshingMessages ? 'spin' : ''} />
-                </button>
-                {!shouldHideStandaloneDetailButton && (
-                  <button
-                    className={`icon-btn detail-btn ${showDetailPanel ? 'active' : ''}`}
-                    onClick={toggleDetailPanel}
-                    title="会话详情"
-                  >
-                    <Info size={18} />
-                  </button>
-                )}
-              </div>
-            </div>
+                  <JumpToDatePopover
+                    isOpen={showJumpPopover}
+                    currentDate={jumpPopoverDate}
+                    onClose={() => setShowJumpPopover(false)}
+                    onSelect={handleJumpDateSelect}
+                    messageDates={messageDates}
+                    hasLoadedMessageDates={hasLoadedMessageDates}
+                    messageDateCounts={messageDateCounts}
+                    loadingDates={loadingDates}
+                    loadingDateCounts={loadingDateCounts}
+                    style={{ position: 'static', top: 'auto', right: 'auto' }}
+                  />
+                </div>,
+                document.body
+              )}
 
             {isPreparingExportDialog && exportPrepareHint && (
               <div className="export-prepare-hint" role="status" aria-live="polite">
@@ -7292,6 +7202,7 @@ function ChatPage(props: ChatPageProps) {
                   <span>回到底部</span>
                 </div>
               </div>
+              <ChatInputArea placeholder="聊天记录" onFocusSearch={handleToggleInSessionSearch} />
 
               {/* 群成员面板 */}
               {showGroupMembersPanel && isCurrentSessionGroup && (
@@ -10696,115 +10607,57 @@ function MessageBubble({
     return <div className="bubble-content">{renderTextWithEmoji(cleanedParsedContent)}</div>
   }
 
-  return (
-    <>
-      {showTime && (
-        <div className="time-divider">
-          <span>{formatTime(message.createTime)}</span>
+  const systemAlertPortal = systemAlert ? createPortal(
+    <div className="modal-overlay" onClick={() => setSystemAlert(null)} style={{ zIndex: 99999 }}>
+      <div className="delete-confirm-card" onClick={(e) => e.stopPropagation()} style={{ maxWidth: '400px' }}>
+        <div className="confirm-icon">
+          <AlertCircle size={32} color="var(--danger)" />
         </div>
-      )}
-      <div
-        className={`message-wrapper-with-selection ${isSelectionMode ? 'selectable' : ''}`}
-        style={{
-          display: 'flex',
-          alignItems: 'flex-start',
-          width: '100%',
-          justifyContent: isSent ? 'flex-end' : 'flex-start',
-          cursor: isSelectionMode ? 'pointer' : 'default'
-        }}
-        onClick={(e) => {
-          if (isSelectionMode) {
-            e.stopPropagation()
-            onToggleSelection?.(messageKey, e.shiftKey)
-          }
-        }}
-      >
-        {isSelectionMode && !isSent && (
-          <div className={`checkbox ${isSelected ? 'checked' : ''}`} style={{
-            width: '20px',
-            height: '20px',
-            borderRadius: '4px',
-            border: isSelected ? 'none' : '2px solid rgba(128,128,128,0.5)',
-            backgroundColor: isSelected ? 'var(--primary)' : 'transparent',
-            display: 'flex',
-            alignItems: 'center',
-            justifyContent: 'center',
-            color: 'white',
-            marginRight: '12px',
-            marginTop: '10px', // Align with avatar top
-            flexShrink: 0
-          }}>
-            {isSelected && <Check size={14} strokeWidth={3} />}
-          </div>
-        )}
-
-        <div className={`message-bubble ${bubbleClass} ${isEmoji && message.emojiCdnUrl && !emojiError ? 'emoji' : ''} ${isImage ? 'image' : ''} ${isVoice ? 'voice' : ''}`}
-          onContextMenu={(e) => onContextMenu?.(e, message)}
-        >
-          <div className="bubble-avatar">
-            <Avatar
-              src={avatarUrl}
-              name={!isSent ? (isGroupChat ? (resolvedSenderName || '?') : (session.displayName || session.username)) : '我'}
-              size={36}
-              className="bubble-avatar"
-            />
-          </div>
-          <div className="bubble-body">
-            {/* 群聊中显示发送者名称 */}
-            {isGroupChat && !isSent && (
-              <div className="sender-name">
-                {resolvedSenderName || '群成员'}
-              </div>
-            )}
-            {renderContent()}
-          </div>
+        <div className="confirm-content">
+          <h3>{systemAlert.title}</h3>
+          <p style={{ marginTop: '12px', lineHeight: '1.6', fontSize: '14px', color: 'var(--text-secondary)' }}>
+            {systemAlert.message}
+          </p>
+        </div>
+        <div className="confirm-actions" style={{ justifyContent: 'center', marginTop: '24px' }}>
+          <button
+            className="btn-primary"
+            onClick={() => setSystemAlert(null)}
+            style={{ padding: '8px 32px' }}
+          >
+            确认
+          </button>
         </div>
-
-        {isSelectionMode && isSent && (
-          <div className={`checkbox ${isSelected ? 'checked' : ''}`} style={{
-            width: '20px',
-            height: '20px',
-            borderRadius: '4px',
-            border: isSelected ? 'none' : '2px solid rgba(128,128,128,0.5)',
-            backgroundColor: isSelected ? 'var(--primary)' : 'transparent',
-            display: 'flex',
-            alignItems: 'center',
-            justifyContent: 'center',
-            color: 'white',
-            marginLeft: '12px',
-            marginTop: '10px',
-            flexShrink: 0
-          }}>
-            {isSelected && <Check size={14} strokeWidth={3} />}
-          </div>
-        )}
-        {systemAlert && createPortal(
-            <div className="modal-overlay" onClick={() => setSystemAlert(null)} style={{ zIndex: 99999 }}>
-              <div className="delete-confirm-card" onClick={(e) => e.stopPropagation()} style={{ maxWidth: '400px' }}>
-                <div className="confirm-icon">
-                  <AlertCircle size={32} color="var(--danger)" />
-                </div>
-                <div className="confirm-content">
-                  <h3>{systemAlert.title}</h3>
-                  <p style={{ marginTop: '12px', lineHeight: '1.6', fontSize: '14px', color: 'var(--text-secondary)' }}>
-                    {systemAlert.message}
-                  </p>
-                </div>
-                <div className="confirm-actions" style={{ justifyContent: 'center', marginTop: '24px' }}>
-                  <button
-                      className="btn-primary"
-                      onClick={() => setSystemAlert(null)}
-                      style={{ padding: '8px 32px' }}
-                  >
-                    确认
-                  </button>
-                </div>
-              </div>
-            </div>,
-            document.body
-        )}
       </div>
-    </>
+    </div>,
+    document.body
+  ) : null
+
+  return (
+    <ChatMessageBubble
+      message={message}
+      messageKey={messageKey}
+      session={session}
+      showTime={showTime}
+      timeText={formatTime(message.createTime)}
+      isSent={isSent}
+      isSystem={isSystem}
+      isEmoji={isEmoji}
+      isImage={isImage}
+      isVoice={isVoice}
+      emojiHasAsset={Boolean(message.emojiCdnUrl || message.emojiLocalPath)}
+      emojiError={emojiError}
+      avatarUrl={avatarUrl}
+      isGroupChat={isGroupChat}
+      resolvedSenderName={resolvedSenderName}
+      isSelectionMode={isSelectionMode}
+      isSelected={isSelected}
+      onContextMenu={onContextMenu}
+      onToggleSelection={onToggleSelection}
+      portal={systemAlertPortal}
+    >
+      {renderContent()}
+    </ChatMessageBubble>
   )
 }