diff --git a/ios/CDrop/MacApp/MacFeatureViews.swift b/ios/CDrop/MacApp/MacFeatureViews.swift
new file mode 100644
index 0000000..a8051ac
--- /dev/null
+++ b/ios/CDrop/MacApp/MacFeatureViews.swift
@@ -0,0 +1,533 @@
+#if os(macOS)
+import AppKit
+import SwiftUI
+
+// Mac 原生五区中的「传输 / 文件 / 消息」三区（设备 / 设置在 MacRootView）。均建于共享引擎
+// （EngineController）公开 API 之上——不复用 iOS 的 TabView 视图，改按 Mac 惯用交互（NSOpenPanel /
+// 拖放 / 右键菜单 / 在 Finder 显示 / HSplitView 双栏）。文案暂硬编中文，Mac 侧 i18n 统一待后续。
+
+// 设备类型 → SF Symbol（对应 iOS deviceSymbol；该 iOS 自由函数在 RootView.swift 未纳入 Mac target，
+// 故此处按同一映射另置一份）。
+func macDeviceSymbol(_ type: String) -> String
+{
+    switch type.lowercased()
+    {
+    case let t where t.contains("mac"), let t where t.contains("darwin"): return "laptopcomputer"
+    case let t where t.contains("win"): return "pc"
+    case let t where t.contains("linux"): return "terminal"
+    case let t where t.contains("ipad"): return "ipad"
+    case let t where t.contains("iphone"), let t where t.contains("ios"): return "iphone"
+    case let t where t.contains("android"): return "candybarphone"
+    case let t where t.contains("shortcut"): return "bolt"
+    case let t where t.contains("browser"): return "globe"
+    default: return "desktopcomputer"
+    }
+}
+
+private func macFormatBytes(_ n: Int) -> String
+{
+    return ByteCountFormatter.string(fromByteCount: Int64(max(n, 0)), countStyle: .file)
+}
+
+// NSOpenPanel 选文件（多选、仅文件）。runModal 同步阻塞，供按钮动作直用。
+private func pickFilesViaOpenPanel() -> [URL]
+{
+    let panel = NSOpenPanel()
+    panel.canChooseFiles = true
+    panel.canChooseDirectories = false
+    panel.allowsMultipleSelection = true
+    panel.prompt = "发送"
+    return panel.runModal() == .OK ? panel.urls : []
+}
+
+// MARK: - 传输
+
+struct MacTransfersView: View
+{
+    @Environment(EngineController.self) private var engine
+    @State private var composeURLs: [URL] = []
+    @State private var showCompose = false
+    @State private var showNoDevices = false
+
+    var body: some View
+    {
+        List
+        {
+            if !engine.transfers.isEmpty
+            {
+                Section("进行中")
+                {
+                    ForEach(engine.transfers) { MacTransferRow(item: $0) }
+                }
+            }
+            if !engine.history.isEmpty
+            {
+                Section("历史")
+                {
+                    ForEach(engine.history) { MacHistoryRow(item: $0) }
+                }
+            }
+            if engine.transfers.isEmpty, engine.history.isEmpty
+            {
+                ContentUnavailableView("暂无传输", systemImage: "arrow.up.arrow.down",
+                                       description: Text("点右上「发送文件」或把文件拖到此处，选目标设备发送。"))
+            }
+        }
+        .navigationTitle("传输")
+        .toolbar
+        {
+            ToolbarItem
+            {
+                Button
+                {
+                    let urls = pickFilesViaOpenPanel()
+                    if !urls.isEmpty { present(urls) }
+                }
+                label:
+                {
+                    Label("发送文件", systemImage: "plus")
+                }
+            }
+            if !engine.history.isEmpty
+            {
+                ToolbarItem
+                {
+                    Button("清空历史") { engine.clearHistory() }
+                }
+            }
+        }
+        // 拖放发送（Mac 独有，无 iOS 前例）：拖入本地文件 → 同选设备发送流程。
+        .dropDestination(for: URL.self)
+        { urls, _ in
+            let files = urls.filter { !$0.hasDirectoryPath }
+            guard !files.isEmpty else { return false }
+            present(files)
+            return true
+        }
+        .sheet(isPresented: $showCompose)
+        {
+            MacComposeSheet(urls: composeURLs,
+                            onCancel: { showCompose = false },
+                            onSend:
+                            { device in
+                                for url in composeURLs { engine.sendFile(to: device, fileURL: url) }
+                                composeURLs = []
+                                showCompose = false
+                            })
+        }
+        .alert("暂无可达设备", isPresented: $showNoDevices)
+        {
+            Button("好", role: .cancel) {}
+        }
+        message:
+        {
+            Text("请确保有其他在线设备（或可唤醒的 iOS 设备）。")
+        }
+    }
+
+    private func present(_ urls: [URL])
+    {
+        guard !engine.sendableDevices().isEmpty else { showNoDevices = true; return }
+        composeURLs = urls
+        showCompose = true
+    }
+}
+
+// 进行中传输行：方向 + 文件名 + 进度 + 速度 + 取消 / 切中继（右键菜单）。
+struct MacTransferRow: View
+{
+    @Environment(EngineController.self) private var engine
+    let item: TransferItem
+
+    private var fraction: Double
+    {
+        Double(item.bytesTransferred ?? 0) / Double(max(item.fileSize, 1))
+    }
+
+    var body: some View
+    {
+        HStack(spacing: 10)
+        {
+            Image(systemName: item.direction == "incoming" ? "arrow.down.circle" : "arrow.up.circle")
+                .foregroundStyle(.tint)
+            VStack(alignment: .leading, spacing: 3)
+            {
+                Text(item.fileName).lineLimit(1)
+                ProgressView(value: min(max(fraction, 0), 1))
+                HStack(spacing: 8)
+                {
+                    Text(item.peerName)
+                    if let bps = item.bytesPerSec, bps > 0
+                    {
+                        Text("· \(macFormatBytes(Int(bps)))/s")
+                    }
+                    if let mode = item.mode
+                    {
+                        Text("· \(mode == "relay" ? "中继" : "直连")")
+                    }
+                    Spacer()
+                    Text(macFormatBytes(item.bytesTransferred ?? 0) + " / " + macFormatBytes(item.fileSize))
+                }
+                .font(.caption)
+                .foregroundStyle(.secondary)
+            }
+        }
+        .padding(.vertical, 2)
+        .contextMenu
+        {
+            Button("取消", role: .destructive) { engine.cancelTransfer(item.sessionId) }
+            if item.mode != "relay"
+            {
+                Button("切换到中继") { engine.switchToRelay(item.sessionId) }
+            }
+        }
+    }
+}
+
+// 历史行：方向 + 文件名 + 状态；打开（若本地存在）/ 删除（右键）。
+struct MacHistoryRow: View
+{
+    @Environment(EngineController.self) private var engine
+    let item: TransferItem
+
+    private var localURL: URL?
+    {
+        item.direction == "incoming" ? engine.receivedFile(matching: item.fileName) : nil
+    }
+
+    var body: some View
+    {
+        HStack(spacing: 10)
+        {
+            Image(systemName: item.direction == "incoming" ? "arrow.down" : "arrow.up")
+                .foregroundStyle(.secondary)
+            VStack(alignment: .leading, spacing: 2)
+            {
+                Text(item.fileName).lineLimit(1)
+                Text("\(item.peerName) · \(macFormatBytes(item.fileSize)) · \(macStateLabel(item.state))")
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+            }
+            Spacer()
+        }
+        .padding(.vertical, 2)
+        .contextMenu
+        {
+            if let url = localURL
+            {
+                Button("打开") { NSWorkspace.shared.open(url) }
+                Button("在 Finder 中显示") { NSWorkspace.shared.activateFileViewerSelecting([url]) }
+            }
+            Button("删除记录", role: .destructive) { engine.deleteTransferRecord(item.sessionId) }
+        }
+    }
+}
+
+private func macStateLabel(_ state: String) -> String
+{
+    switch state
+    {
+    case "completed": return "已完成"
+    case "failed": return "失败"
+    case "cancelled", "canceled": return "已取消"
+    default: return state
+    }
+}
+
+// Mac 原生发送表单：待发文件列表 + 目标设备选择（对应 iOS SendComposeSheet）。
+struct MacComposeSheet: View
+{
+    @Environment(EngineController.self) private var engine
+    let urls: [URL]
+    let onCancel: () -> Void
+    let onSend: (String) -> Void
+
+    @State private var selected = ""
+
+    var body: some View
+    {
+        VStack(spacing: 0)
+        {
+            Form
+            {
+                Section("待发送（\(urls.count)）")
+                {
+                    ForEach(urls, id: \.self)
+                    { url in
+                        HStack
+                        {
+                            Image(systemName: "doc").foregroundStyle(.secondary)
+                            Text(url.lastPathComponent).lineLimit(1)
+                            Spacer()
+                            Text(macFormatBytes(fileByteSizeMac(url)))
+                                .font(.caption)
+                                .foregroundStyle(.secondary)
+                        }
+                    }
+                }
+                Section("目标设备")
+                {
+                    let devices = engine.sendableDevices()
+                    if devices.isEmpty
+                    {
+                        Text("暂无可达设备").foregroundStyle(.secondary)
+                    }
+                    else
+                    {
+                        Picker("发送到", selection: $selected)
+                        {
+                            ForEach(devices)
+                            { dev in
+                                Text(engine.sendLabel(dev)).tag(dev.name)
+                            }
+                        }
+                        .pickerStyle(.radioGroup)
+                    }
+                }
+            }
+            .formStyle(.grouped)
+
+            Divider()
+            HStack
+            {
+                Button("取消", role: .cancel) { onCancel() }
+                Spacer()
+                Button("发送") { onSend(selected) }
+                    .keyboardShortcut(.defaultAction)
+                    .disabled(selected.isEmpty || urls.isEmpty)
+            }
+            .padding(12)
+        }
+        .frame(width: 440, height: 380)
+        .onAppear { if selected.isEmpty { selected = engine.sendableDevices().first?.name ?? "" } }
+    }
+}
+
+// 文件字节大小（对应 iOS fileByteSize；安全作用域 URL 须临时声明访问）。
+private func fileByteSizeMac(_ url: URL) -> Int
+{
+    let access = url.startAccessingSecurityScopedResource()
+    defer { if access { url.stopAccessingSecurityScopedResource() } }
+    return (try? url.resourceValues(forKeys: [ .fileSizeKey ]))?.fileSize ?? 0
+}
+
+// MARK: - 收到的文件
+
+struct MacFilesView: View
+{
+    @Environment(EngineController.self) private var engine
+    @State private var files: [URL] = []
+    @State private var forwarding: URL?
+
+    var body: some View
+    {
+        Group
+        {
+            if files.isEmpty
+            {
+                ContentUnavailableView("暂无收到的文件", systemImage: "folder",
+                                       description: Text("收到的文件会落到「文稿」目录，并在此列出。"))
+            }
+            else
+            {
+                List(files, id: \.self)
+                { url in
+                    HStack(spacing: 10)
+                    {
+                        Image(systemName: "doc")
+                            .foregroundStyle(.tint)
+                        Text(url.lastPathComponent).lineLimit(1)
+                        Spacer()
+                        Text(macFormatBytes(fileByteSizeMac(url)))
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
+                    }
+                    .contentShape(Rectangle())
+                    .onTapGesture(count: 2) { NSWorkspace.shared.open(url) }
+                    .contextMenu
+                    {
+                        Button("打开") { NSWorkspace.shared.open(url) }
+                        Button("在 Finder 中显示") { NSWorkspace.shared.activateFileViewerSelecting([url]) }
+                        Button("转发…") { forwarding = url }
+                        Divider()
+                        Button("删除", role: .destructive)
+                        {
+                            engine.deleteReceivedFile(url)
+                            reload()
+                        }
+                    }
+                }
+            }
+        }
+        .navigationTitle("文件")
+        .onAppear { reload() }
+        .onChange(of: engine.history.count) { reload() }
+        .confirmationDialog("转发到…", isPresented: Binding(
+            get: { forwarding != nil },
+            set: { if !$0 { forwarding = nil } }))
+        {
+            if let url = forwarding
+            {
+                ForEach(engine.sendableDevices())
+                { dev in
+                    Button(engine.sendLabel(dev)) { engine.sendFile(to: dev.name, fileURL: url) }
+                }
+            }
+            Button("取消", role: .cancel) {}
+        }
+    }
+
+    private func reload()
+    {
+        files = engine.receivedFiles()
+    }
+}
+
+// MARK: - 消息
+
+struct MacMessagesView: View
+{
+    @Environment(EngineController.self) private var engine
+    @State private var selectedPeer: String?
+
+    var body: some View
+    {
+        HSplitView
+        {
+            // 会话列表
+            List(selection: $selectedPeer)
+            {
+                ForEach(engine.conversations())
+                { convo in
+                    HStack(spacing: 8)
+                    {
+                        Image(systemName: macDeviceSymbol(convo.deviceType))
+                            .foregroundStyle(convo.online ? Color.green : Color.secondary)
+                        VStack(alignment: .leading, spacing: 2)
+                        {
+                            Text(convo.peerName).lineLimit(1)
+                            Text(convo.lastText).font(.caption).foregroundStyle(.secondary).lineLimit(1)
+                        }
+                        Spacer()
+                        let n = engine.unread(for: convo.peerName)
+                        if n > 0
+                        {
+                            Text("\(n)")
+                                .font(.caption2)
+                                .padding(.horizontal, 6).padding(.vertical, 2)
+                                .background(Color.red, in: Capsule())
+                                .foregroundStyle(.white)
+                        }
+                    }
+                    .tag(convo.peerName)
+                }
+            }
+            .frame(minWidth: 220, idealWidth: 260, maxWidth: 340)
+
+            // 会话线程
+            Group
+            {
+                if let peer = selectedPeer
+                {
+                    MacThreadView(peer: peer)
+                        .id(peer)
+                }
+                else
+                {
+                    ContentUnavailableView("选择一个会话", systemImage: "bubble.left.and.bubble.right")
+                }
+            }
+            .frame(minWidth: 360, maxWidth: .infinity, maxHeight: .infinity)
+        }
+        .navigationTitle("消息")
+        .onChange(of: selectedPeer)
+        { _, peer in
+            engine.setActiveConversation(peer)
+            if let peer { engine.markConversationRead(peer) }
+        }
+        .onDisappear { engine.setActiveConversation(nil) }
+    }
+}
+
+// 单会话线程：气泡列表 + 撰写栏（canMessage 门控）。
+struct MacThreadView: View
+{
+    @Environment(EngineController.self) private var engine
+    let peer: String
+    @State private var draft = ""
+
+    var body: some View
+    {
+        VStack(spacing: 0)
+        {
+            ScrollView
+            {
+                LazyVStack(alignment: .leading, spacing: 8)
+                {
+                    ForEach(engine.thread(with: peer))
+                    { msg in
+                        MacMessageBubble(msg: msg)
+                    }
+                }
+                .padding(12)
+                .frame(maxWidth: .infinity, alignment: .leading)
+            }
+
+            Divider()
+            if engine.canMessage(peer)
+            {
+                HStack(spacing: 8)
+                {
+                    TextField("发消息…", text: $draft, axis: .vertical)
+                        .textFieldStyle(.roundedBorder)
+                        .lineLimit(1 ... 4)
+                        .onSubmit(send)
+                    Button("发送", action: send)
+                        .keyboardShortcut(.return, modifiers: [])
+                        .disabled(draft.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
+                }
+                .padding(10)
+            }
+            else
+            {
+                Text("对方当前不可达，仅可查看历史。")
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+                    .frame(maxWidth: .infinity, alignment: .center)
+                    .padding(10)
+            }
+        }
+    }
+
+    private func send()
+    {
+        let text = draft.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !text.isEmpty else { return }
+        engine.sendMessage(to: peer, text: text)
+        draft = ""
+    }
+}
+
+struct MacMessageBubble: View
+{
+    let msg: MessageItem
+
+    private var outgoing: Bool { msg.direction == "outgoing" }
+
+    var body: some View
+    {
+        HStack
+        {
+            if outgoing { Spacer(minLength: 60) }
+            Text(msg.text)
+                .textSelection(.enabled)
+                .padding(.horizontal, 12).padding(.vertical, 8)
+                .background(outgoing ? Color.accentColor.opacity(0.85) : Color.secondary.opacity(0.18),
+                            in: RoundedRectangle(cornerRadius: 12))
+                .foregroundStyle(outgoing ? Color.white : Color.primary)
+            if !outgoing { Spacer(minLength: 60) }
+        }
+        .frame(maxWidth: .infinity, alignment: outgoing ? .trailing : .leading)
+    }
+}
+#endif
diff --git a/ios/CDrop/MacApp/MacRootView.swift b/ios/CDrop/MacApp/MacRootView.swift
index cec9fd4..324dd4e 100644
--- a/ios/CDrop/MacApp/MacRootView.swift
+++ b/ios/CDrop/MacApp/MacRootView.swift
@@ -49,6 +49,11 @@ struct MacRootView: View
                 .opacity(0)
                 .allowsHitTesting(false)
         }
+        // 瞬时通知横幅（吊销 / 改名 / 剪贴板 / 登录审批反馈）覆盖窗口顶部。同 iOS RootView。
+        .overlay(alignment: .top)
+        {
+            NoticeOverlay()
+        }
     }
 
     @ViewBuilder
@@ -57,11 +62,11 @@ struct MacRootView: View
         switch selection
         {
         case .transfers:
-            MacPlaceholder(section: .transfers)
+            MacTransfersView()
         case .files:
-            MacPlaceholder(section: .files)
+            MacFilesView()
         case .messages:
-            MacPlaceholder(section: .messages)
+            MacMessagesView()
         case .devices:
             MacDevicesView()
         case .settings:
@@ -128,66 +133,79 @@ enum MacSection: Hashable, Identifiable, CaseIterable
     static var sidebar: [MacSection] { MacSection.allCases }
 }
 
-// 阶段占位详情（传输 / 文件 / 消息，随 Phase 3b 替换为复用 iOS 视图）。
-struct MacPlaceholder: View
-{
-    let section: MacSection
-
-    var body: some View
-    {
-        ContentUnavailableView
-        {
-            Label(section.title, systemImage: section.icon)
-        }
-        description:
-        {
-            Text("即将接入（原生数据面复用 iOS 引擎，桌面功能适配中）。")
-        }
-        .navigationTitle(section.title)
-    }
-}
-
-// 设备：引擎经桥推来的真实 presence（在线绿点 + 名称 + 类型），证明登录后引擎已联通信令 / SSE。
+// 设备：引擎经桥推来的真实 presence（图标随类型 + 在线态 + 移除设备）。排除本机。
 struct MacDevicesView: View
 {
     @Environment(EngineController.self) private var engine
+    @State private var revokeTarget: DeviceItem?
+
+    private var others: [DeviceItem]
+    {
+        engine.devices.filter { $0.deviceID != engine.selfDeviceID }
+    }
 
     var body: some View
     {
         Group
         {
-            if engine.devices.isEmpty
+            if others.isEmpty
             {
                 ContentUnavailableView("暂无其他设备", systemImage: "laptopcomputer.and.iphone",
-                                       description: Text("同账户的其他在线设备将显示在此。"))
+                                       description: Text("同账户的其他设备将显示在此。"))
             }
             else
             {
-                List(engine.devices)
+                List(others)
                 { dev in
                     HStack(spacing: 10)
                     {
-                        Circle()
-                            .fill(dev.online ? Color.green : Color.secondary)
-                            .frame(width: 9, height: 9)
-                        Text(dev.name)
+                        Image(systemName: macDeviceSymbol(dev.type))
+                            .foregroundStyle(dev.online ? Color.green : Color.secondary)
+                        VStack(alignment: .leading, spacing: 2)
+                        {
+                            Text(dev.name)
+                            Text(dev.online ? "在线" : "离线")
+                                .font(.caption)
+                                .foregroundStyle(.secondary)
+                        }
                         Spacer()
-                        Text(dev.type)
-                            .font(.caption)
-                            .foregroundStyle(.secondary)
+                    }
+                    .contextMenu
+                    {
+                        Button("移除设备", role: .destructive) { revokeTarget = dev }
                     }
                 }
             }
         }
         .navigationTitle("设备")
+        .confirmationDialog("移除该设备？",
+                            isPresented: Binding(get: { revokeTarget != nil },
+                                                 set: { if !$0 { revokeTarget = nil } }),
+                            presenting: revokeTarget)
+        { dev in
+            Button("移除 \(dev.name)", role: .destructive) { engine.revokeDevice(dev.deviceID) }
+            Button("取消", role: .cancel) {}
+        }
+        message:
+        { dev in
+            Text("将吊销 \(dev.name) 的登录，该设备需重新登录。")
+        }
     }
 }
 
-// 设置：账号 + 本机设备名 + 登出 + 引擎日志（3a 联通与现场自检）。
+// 设置：账号 + 本机设备名（可改）+ 云剪贴板 + 引擎状态 + 引擎日志 + 登出。
 struct MacSettingsView: View
 {
     @Environment(EngineController.self) private var engine
     @Environment(AuthManager.self) private var auth
+    @State private var nameDraft = DeviceNameStore.value
+
+    private var signalingLabel: String
+    {
+        if engine.hubConnected { return "已连接" }
+        if engine.hubReconnecting { return "重连中…" }
+        return "未连接"
+    }
 
     var body: some View
     {
@@ -196,13 +214,30 @@ struct MacSettingsView: View
             Section("账号")
             {
                 LabeledContent("用户", value: auth.session?.user.name ?? "—")
-                LabeledContent("本机设备", value: engine.deviceName)
+                HStack
+                {
+                    TextField("本机设备名", text: $nameDraft)
+                        .onSubmit { commitRename() }
+                    Button("保存") { commitRename() }
+                        .disabled(nameDraft.trimmingCharacters(in: .whitespaces).isEmpty)
+                }
                 Button("登出", role: .destructive)
                 {
                     engine.reset()
                     auth.logout()
                 }
             }
+            Section("云剪贴板")
+            {
+                Button("上传本机剪贴板") { engine.uploadClipboard() }
+                Button("拉取云剪贴板到本机") { engine.pullClipboard() }
+            }
+            Section("引擎")
+            {
+                LabeledContent("状态", value: engine.status)
+                LabeledContent("信令", value: signalingLabel)
+                LabeledContent("在线设备", value: "\(engine.presenceCount)")
+            }
             Section("引擎日志")
             {
                 if engine.logs.isEmpty
@@ -225,5 +260,12 @@ struct MacSettingsView: View
         .formStyle(.grouped)
         .navigationTitle("设置")
     }
+
+    private func commitRename()
+    {
+        let name = nameDraft.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !name.isEmpty else { return }
+        engine.renameSelf(to: name)
+    }
 }
 #endif
diff --git a/ios/CDrop/project.yml b/ios/CDrop/project.yml
index 2621925..8b3830d 100644
--- a/ios/CDrop/project.yml
+++ b/ios/CDrop/project.yml
@@ -193,6 +193,7 @@ targets:
       - path: Sources/LocalNetworkPermission.swift
       - path: Sources/DeviceNameStore.swift
       - path: Sources/BackgroundTaskManager.swift
+      - path: Sources/NotificationBanner.swift
       - path: Sources/Resources/i18n
     dependencies:
       # 原生数据面 libwebrtc（LibWebRtcEngine）。macOS 切片缺子头，构建经 just mac-prep 补齐