diff --git a/src/views/im/home/components/rtc/RtcCallContainer.vue b/src/views/im/home/components/rtc/RtcCallContainer.vue
new file mode 100644
index 000000000..8918c7a7b
--- /dev/null
+++ b/src/views/im/home/components/rtc/RtcCallContainer.vue
@@ -0,0 +1,411 @@
+<template>
+  <!-- 通话阶段对应弹窗；INVITING / INCOMING / RUNNING 三选一互斥 -->
+  <template v-if="rtcStore.isActive">
+    <!-- 主叫端：等待对方接听 -->
+    <RtcCallInviting
+      v-if="rtcStore.stage === ImRtcCallStage.INVITING && rtcStore.call"
+      :peer-nickname="rtcStore.peerNickname"
+      :peer-avatar="rtcStore.peerAvatar"
+      :is-group="isGroup"
+      :is-video="isVideo"
+      :mic-enabled="lk.micEnabled.value"
+      :camera-enabled="lk.cameraEnabled.value"
+      :speaker-enabled="lk.speakerEnabled.value"
+      :local-stream="localStream"
+      @cancel="handleCancel"
+      @toggle-mic="toggleMic"
+      @toggle-camera="toggleCamera"
+      @toggle-speaker="toggleSpeaker"
+    />
+    <!-- 被叫端：来电响铃 -->
+    <RtcCallIncoming
+      v-else-if="rtcStore.stage === ImRtcCallStage.INCOMING"
+      :payload="rtcStore.incomingPayload"
+      :is-group="isGroup"
+      @accept="handleAccept"
+      @reject="handleReject"
+    />
+    <!-- 通话进行中：1v1 视频 / 语音 + 群通话宫格 -->
+    <RtcCallRunning
+      v-else-if="rtcStore.stage === ImRtcCallStage.RUNNING && rtcStore.call"
+      :is-group="isGroup"
+      :is-video="isVideo"
+      :mic-enabled="lk.micEnabled.value"
+      :camera-enabled="lk.cameraEnabled.value"
+      :speaker-enabled="lk.speakerEnabled.value"
+      :screen-share-enabled="lk.screenShareEnabled.value"
+      :reconnecting="lk.reconnecting.value"
+      :started-at="rtcStore.startedAt"
+      :participants="participants"
+      :peer-nickname="rtcStore.peerNickname"
+      :peer-avatar="rtcStore.peerAvatar"
+      :local-stream="localStream"
+      :remote-video-stream="remoteVideoStream"
+      :remote-audio-stream="remoteAudioStream"
+      @hangup="handleHangup"
+      @toggle-mic="toggleMic"
+      @toggle-camera="toggleCamera"
+      @toggle-speaker="toggleSpeaker"
+      @toggle-screen-share="handleScreenShare"
+      @add-member="openAddMember"
+    />
+  </template>
+  <!-- 通话中「添加成员」选人弹窗；挂在 isActive 外，避免 stage 切换瞬间弹窗被卸载 -->
+  <RtcCallMemberPickerDialog ref="memberPickerRef" @success="handleAddMemberSuccess" />
+</template>
+
+<script lang="ts" setup>
+import { computed, ref, watch } from 'vue'
+import { useMessage } from '@/hooks/web/useMessage'
+import { useRtcStore } from '../../store/rtcStore'
+import { useLiveKitRoom } from '../../composables/useLiveKitRoom'
+import {
+  cancelCall,
+  rejectCall,
+  acceptCall,
+  leaveCall,
+  inviteCall
+} from '@/api/im/home/rtc'
+import {
+  ImRtcCallMediaType,
+  ImRtcCallStage,
+  ImConversationType
+} from '@/views/im/utils/constants'
+import { getCurrentUserId } from '@/views/im/utils/storage'
+import { getSenderAvatar, getSenderDisplayName } from '@/views/im/utils/user'
+import { Track } from 'livekit-client'
+import RtcCallInviting from './RtcCallInviting.vue'
+import RtcCallIncoming from './RtcCallIncoming.vue'
+import RtcCallRunning from './RtcCallRunning.vue'
+import RtcCallMemberPickerDialog from './RtcCallMemberPickerDialog.vue'
+import type { CallParticipantVM } from './RtcCallParticipantTile.vue'
+
+defineOptions({ name: 'ImRtcCallContainer' })
+
+const rtcStore = useRtcStore()
+const message = useMessage()
+const lk = useLiveKitRoom()
+
+const memberPickerRef = ref<InstanceType<typeof RtcCallMemberPickerDialog>>()
+
+// ==================== 视图模型 ====================
+
+/** 当前是否视频通话 */
+const isVideo = computed(() => {
+  const t =
+    rtcStore.call?.mediaType ||
+    rtcStore.incomingPayload?.mediaType ||
+    ImRtcCallMediaType.VOICE
+  return t === ImRtcCallMediaType.VIDEO
+})
+
+/** 当前是否群通话；决定浮动窗大小 */
+const isGroup = computed(
+  () =>
+    (rtcStore.call?.conversationType ??
+      rtcStore.incomingPayload?.conversationType) === ImConversationType.GROUP
+)
+
+/** 初始摄像头是否打开；群通话默认全部关闭，进入后用户主动开 */
+const initialCamera = computed(() => {
+  if (rtcStore.call?.conversationType === ImConversationType.GROUP) {
+    return false
+  }
+  return isVideo.value
+})
+
+/** 本端视频流；优先 ScreenShare（屏共时也铺底），无则 Camera；显式订阅 screenShareEnabled / cameraEnabled 触发重算 */
+const localStream = computed<MediaStream | null>(() => {
+  // 触摸响应式依赖，确保切屏共享 / 摄像头后 computed 重新求值（pickStream 内部用普通 Map 缓存，自身不响应）
+  void lk.screenShareEnabled.value
+  void lk.cameraEnabled.value
+  const lp = lk.localParticipant.value
+  if (!lp) {
+    return null
+  }
+  return lk.pickStream(lp, Track.Source.ScreenShare) || lk.pickStream(lp, Track.Source.Camera)
+})
+
+/** 远端视频流（仅 1v1 用）；优先 ScreenShare，无则取 Camera */
+const remoteVideoStream = computed<MediaStream | null>(() => {
+  if (isGroup.value) {
+    return null
+  }
+  for (const rp of lk.remoteParticipants.value) {
+    const screen = lk.pickStream(rp, Track.Source.ScreenShare)
+    if (screen) {
+      return screen
+    }
+    const camera = lk.pickStream(rp, Track.Source.Camera)
+    if (camera) {
+      return camera
+    }
+  }
+  return null
+})
+
+/** 远端音频流（仅 1v1 用） */
+const remoteAudioStream = computed<MediaStream | null>(() => {
+  if (isGroup.value) {
+    return null
+  }
+  for (const rp of lk.remoteParticipants.value) {
+    const stream = lk.pickStream(rp, Track.Source.Microphone)
+    if (stream) {
+      return stream
+    }
+  }
+  return null
+})
+
+/** 群通话网格用：自己 + 远端在房 + 待加入成员；昵称 / 头像走 user.ts helper 自动处理 self / 群成员 / 好友 / 兜底 */
+const participants = computed<CallParticipantVM[]>(() => {
+  const call = rtcStore.call
+  if (!call) {
+    return []
+  }
+  const conversationType = call.conversationType
+  const targetId = call.groupId ?? 0
+  const myId = getCurrentUserId()
+  const result: CallParticipantVM[] = []
+
+  // 自己
+  result.push({
+    userId: myId,
+    nickname: getSenderDisplayName(myId, conversationType, targetId),
+    avatar: getSenderAvatar(myId, conversationType, targetId) || undefined,
+    isLocal: true,
+    videoStream: localStream.value
+  })
+
+  // 已加入的远端：实际推流；屏幕共享在网格里独占该成员的格子，无则降级 Camera
+  const joined = new Set<number>()
+  for (const rp of lk.remoteParticipants.value) {
+    const userId = Number(rp.identity)
+    if (Number.isNaN(userId)) {
+      continue
+    }
+    joined.add(userId)
+    result.push({
+      userId,
+      nickname: getSenderDisplayName(userId, conversationType, targetId),
+      avatar: getSenderAvatar(userId, conversationType, targetId) || undefined,
+      isLocal: false,
+      videoStream:
+        lk.pickStream(rp, Track.Source.ScreenShare) || lk.pickStream(rp, Track.Source.Camera),
+      audioStream: lk.pickStream(rp, Track.Source.Microphone)
+    })
+  }
+
+  // 群通话：未加入的被邀请人作为 pending 占位；已退出 / 已拒绝的人不渲染
+  if (conversationType === ImConversationType.GROUP) {
+    const inviteeIds = call.inviteeIds || []
+    for (const userId of inviteeIds) {
+      if (userId === myId || joined.has(userId) || rtcStore.isUserLeft(userId)) {
+        continue
+      }
+      result.push({
+        userId,
+        nickname: getSenderDisplayName(userId, ImConversationType.GROUP, targetId),
+        avatar: getSenderAvatar(userId, ImConversationType.GROUP, targetId) || undefined,
+        isLocal: false,
+        pending: true
+      })
+    }
+  }
+  return result
+})
+
+// ==================== LiveKit 连接 ====================
+
+/** 连入 LiveKit 房间并注册离开回调；INVITING 主叫预连和被叫 accept 后连入共用 */
+async function connectLiveKit(livekitUrl: string, token: string) {
+  // 幂等：lk.connect 内部进入后就把 room.value 赋值；非空表示已经在连接或已连接；stage 多次切换时重复触发也跳过
+  if (lk.room.value) {
+    return
+  }
+  // 先注册回调，再 connect；信令握手过程会即时推送已在房参与者，业务 handler 必须先就绪
+  lk.onDisconnected(() => handlePeerDisconnected())
+  lk.onParticipantConnected(maybeEnterRunning)
+  lk.onParticipantDisconnected((userId) => rtcStore.markUserLeft(userId))
+  await lk.connect(livekitUrl, token, { audio: true, video: initialCamera.value })
+  // 兜底：connect 期间若已有远端在房，事件可能在 handler 注册前已触发，主动切到 RUNNING
+  if (lk.remoteParticipants.value.length > 0) {
+    maybeEnterRunning()
+  }
+}
+
+/** 主叫端：从 INVITING 切到 RUNNING；其它阶段不处理 */
+function maybeEnterRunning() {
+  if (rtcStore.stage === ImRtcCallStage.INVITING && rtcStore.call) {
+    rtcStore.enterRunning(rtcStore.call)
+  }
+}
+
+watch(
+  () => rtcStore.stage,
+  async (stage) => {
+    if (
+      stage === ImRtcCallStage.INVITING &&
+      rtcStore.call?.token &&
+      rtcStore.call?.livekitUrl
+    ) {
+      try {
+        await connectLiveKit(rtcStore.call.livekitUrl, rtcStore.call.token)
+      } catch (e) {
+        console.error('[Call] connect 失败', { room: rtcStore.call?.room }, e)
+        message.error('通话连接失败')
+        await handleCancel()
+      }
+    }
+    if (stage === ImRtcCallStage.IDLE) {
+      await lk.disconnect()
+    }
+  }
+)
+
+/** 被叫端 accept 后会拿到 token；这里监听 stage + token 变化触发连接 */
+watch(
+  () => [rtcStore.stage, rtcStore.call?.token],
+  async ([stage, token], [prevStage]) => {
+    if (
+      stage === ImRtcCallStage.RUNNING &&
+      prevStage !== ImRtcCallStage.RUNNING &&
+      token &&
+      !lk.isConnected.value &&
+      rtcStore.call?.livekitUrl
+    ) {
+      try {
+        await connectLiveKit(rtcStore.call.livekitUrl, token as string)
+      } catch (e) {
+        console.error('[Call] accept connect 失败', { room: rtcStore.call?.room }, e)
+        message.error('通话连接失败')
+        // 后端 accept 已写 JOINED；前端连接失败需调 leave 回滚，避免后端记录残留忙线
+        if (rtcStore.call?.room) {
+          leaveCall(rtcStore.call.room).catch(() => undefined)
+        }
+        rtcStore.reset()
+      }
+    }
+  }
+)
+
+// ==================== 通话生命周期 ====================
+
+/** 主叫取消邀请 */
+async function handleCancel() {
+  const room = rtcStore.call?.room
+  if (room) {
+    try {
+      await cancelCall(room)
+    } catch (e) {
+      console.warn('[Call] cancel 失败', { room }, e)
+    }
+  }
+  await lk.disconnect()
+  rtcStore.reset()
+}
+
+/** 被叫拒绝来电 */
+async function handleReject() {
+  const room = rtcStore.incomingPayload?.room
+  if (room) {
+    try {
+      await rejectCall(room)
+    } catch (e) {
+      console.warn('[Call] reject 失败', { room }, e)
+    }
+  }
+  rtcStore.reset()
+}
+
+/** 被叫接听来电 */
+async function handleAccept() {
+  const payload = rtcStore.incomingPayload
+  if (!payload) return
+  try {
+    const data = await acceptCall(payload.room)
+    rtcStore.enterRunning(data)
+  } catch (e: any) {
+    console.error('[Call] accept 失败', { room: payload.room }, e)
+    message.error(e?.msg || '接听失败')
+    rtcStore.reset()
+  }
+}
+
+/** 通话中挂断 */
+async function handleHangup() {
+  const room = rtcStore.call?.room
+  if (room) {
+    try {
+      await leaveCall(room)
+    } catch (e) {
+      console.warn('[Call] leave 失败', { room }, e)
+    }
+  }
+  await lk.disconnect()
+  rtcStore.reset()
+}
+
+/** LiveKit Room 异常断开；多见于网络中断 */
+function handlePeerDisconnected() {
+  if (!rtcStore.isActive) return
+  message.warning('通话已断开')
+  rtcStore.reset()
+}
+
+// ==================== 设备控制 ====================
+
+async function toggleMic() {
+  await lk.setMicEnabled(!lk.micEnabled.value)
+}
+async function toggleCamera() {
+  await lk.setCameraEnabled(!lk.cameraEnabled.value)
+}
+function toggleSpeaker() {
+  lk.setSpeakerEnabled(!lk.speakerEnabled.value)
+}
+
+/** 切屏幕共享；浏览器弹原生「选择共享内容」对话框，用户取消时会抛错，UI 不弹提示 */
+async function handleScreenShare() {
+  const enabled = !lk.screenShareEnabled.value
+  try {
+    await lk.setScreenShareEnabled(enabled)
+  } catch (e: any) {
+    // 用户取消选择，不当作错误；其它异常打日志
+    if (e?.name !== 'NotAllowedError' && e?.message !== 'permission denied') {
+      console.warn('[Call] screenShare 切换失败', { enabled }, e)
+    }
+  }
+}
+
+// ==================== 添加成员 ====================
+
+/** 打开「添加成员」弹窗；占位群通话 + 接通中状态才允许 */
+function openAddMember() {
+  const call = rtcStore.call
+  if (!call?.groupId) {
+    return
+  }
+  memberPickerRef.value?.open({
+    groupId: call.groupId,
+    mode: 'add',
+    excludeUserIds: participants.value.map((p) => p.userId)
+  })
+}
+
+/** picker 选完成员；走 invite 追加邀请接口，后端推 RTC_INVITE 给新成员 */
+async function handleAddMemberSuccess(userIds: number[]) {
+  const call = rtcStore.call
+  if (!call?.room || userIds.length === 0) {
+    return
+  }
+  try {
+    await inviteCall({ room: call.room, inviteeIds: userIds })
+    message.success('已发送邀请')
+  } catch (e: any) {
+    console.error('[Call] invite 追加失败', { room: call.room, inviteeIds: userIds }, e)
+    message.error(e?.msg || '添加成员失败')
+  }
+}
+</script>
diff --git a/src/views/im/home/components/rtc/RtcCallParticipantTile.vue b/src/views/im/home/components/rtc/RtcCallParticipantTile.vue
new file mode 100644
index 000000000..07fcbcdd9
--- /dev/null
+++ b/src/views/im/home/components/rtc/RtcCallParticipantTile.vue
@@ -0,0 +1,110 @@
+<template>
+  <!--
+    群通话宫格里的单个参与者格子；
+    优先渲染远端视频（有 videoStream 时铺满），无视频降级渲染头像 + 名字胶囊；
+    pending=true 时叠加「接入中」三点动画占位，用于被邀请人未接通前的占位渲染；
+    远端音频通过隐藏 audio 播放（本端 isLocal 不渲染避免回声）
+  -->
+  <div
+    class="flex relative overflow-hidden justify-center items-center w-full h-full rounded-md bg-[#2a2a2c]"
+  >
+    <!-- 视频可用：渲染 video；否则渲染头像或默认占位 -->
+    <video
+      v-if="participant.videoStream"
+      ref="videoRef"
+      class="object-cover w-full h-full"
+      autoplay
+      playsinline
+      :muted="participant.isLocal"
+    ></video>
+    <div v-else class="flex justify-center items-center w-full h-full">
+      <UserAvatar
+        :url="participant.avatar"
+        :name="participant.nickname"
+        :size="64"
+        radius="50%"
+        :clickable="false"
+      />
+    </div>
+
+    <!-- 远端音频；通过 audio 元素播放，本端静音避免回声；扬声器关闭时整体静音 -->
+    <audio
+      v-if="participant.audioStream && !participant.isLocal"
+      ref="audioRef"
+      autoplay
+      :muted="!speakerEnabled"
+    ></audio>
+
+    <!-- 左下角名字胶囊 -->
+    <div
+      class="flex absolute bottom-3 left-3 gap-1.5 items-center py-[3px] pr-2.5 pl-[3px] text-13px text-white rounded-full bg-black/45 max-w-[calc(100%-60px)]"
+    >
+      <UserAvatar
+        :url="participant.avatar"
+        :name="participant.nickname"
+        :size="22"
+        radius="50%"
+        :clickable="false"
+      />
+      <span class="truncate min-w-0">{{ participant.nickname }}</span>
+    </div>
+
+    <!-- 等待对方加入：三点动画 +「接入中」文案；位置在格子中心下方 60px -->
+    <div
+      v-if="participant.pending"
+      class="flex absolute left-1/2 flex-col gap-1.5 items-center -translate-x-1/2 -translate-y-1/2 top-[calc(50%+60px)]"
+    >
+      <div class="flex gap-1.5">
+        <span
+          v-for="i in 3"
+          :key="i"
+          class="tile-dot w-1.5 h-1.5 rounded-full bg-white/60"
+          :style="{ animationDelay: `${(i - 1) * 0.2}s` }"
+        ></span>
+      </div>
+      <span class="text-xs text-white/70">接入中</span>
+    </div>
+  </div>
+</template>
+
+<script lang="ts" setup>
+import UserAvatar from '../user/UserAvatar.vue'
+import { useMediaStreamElement } from '../../composables/useMediaStreamElement'
+
+export interface CallParticipantVM {
+  userId: number
+  nickname: string
+  avatar?: string
+  isLocal: boolean
+  videoStream?: MediaStream | null
+  audioStream?: MediaStream | null
+  /** 等待加入；UI 显示三点动画 */
+  pending?: boolean
+}
+
+const props = defineProps<{
+  participant: CallParticipantVM
+  /** 扬声器开关；为 false 时静音该格子的远端音频 */
+  speakerEnabled: boolean
+}>()
+
+const videoRef = useMediaStreamElement<HTMLVideoElement>(() => props.participant.videoStream)
+const audioRef = useMediaStreamElement<HTMLAudioElement>(() => props.participant.audioStream)
+</script>
+
+<style scoped>
+/* 三点淡入淡出动画；@keyframes 必须 CSS 定义，再由 UnoCSS 之外的类名引用 */
+.tile-dot {
+  animation: tile-dot 1.4s infinite ease-in-out both;
+}
+@keyframes tile-dot {
+  0%,
+  80%,
+  100% {
+    opacity: 0.3;
+  }
+  40% {
+    opacity: 1;
+  }
+}
+</style>
diff --git a/src/views/im/home/components/rtc/RtcCallRunning.vue b/src/views/im/home/components/rtc/RtcCallRunning.vue
new file mode 100644
index 000000000..2bdf5d5d4
--- /dev/null
+++ b/src/views/im/home/components/rtc/RtcCallRunning.vue
@@ -0,0 +1,279 @@
+<template>
+  <!-- 通话进行中的悬浮窗；1v1 私聊 320×540；群通话切大窗 720×560 -->
+  <div
+    class="fixed top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 rounded-xl overflow-hidden shadow-[0_12px_36px_rgba(0,0,0,0.35)] z-[1000] flex flex-col text-white bg-[#1a1a1c]"
+    :class="isGroup ? 'w-[720px] h-[560px]' : 'w-[320px] h-[540px]'"
+  >
+    <!-- 重连中横幅；网络抖动时显示，直到 Reconnected 事件清除 -->
+    <div
+      v-if="reconnecting"
+      class="inline-flex absolute top-3 left-1/2 z-10 gap-2 items-center px-3.5 py-1.5 text-13px text-[#ffd45e] rounded-full -translate-x-1/2 bg-[rgba(255,196,0,0.18)]"
+    >
+      <span class="reconnect-dot w-2 h-2 rounded-full bg-[#ffd45e]"></span>
+      网络不佳，正在重连...
+    </div>
+    <div class="flex relative flex-1 justify-center items-center">
+      <!-- 群通话：网格布局，列数随人数自适应 -->
+      <div
+        v-if="isGroup"
+        class="grid gap-1 p-1 w-full h-full content-stretch"
+        :class="gridColsClass"
+      >
+        <RtcCallParticipantTile
+          v-for="p in participants"
+          :key="p.userId"
+          :participant="p"
+          :speaker-enabled="speakerEnabled"
+        />
+      </div>
+
+      <!-- 1v1 视频：远端铺底 + 本地缩略 -->
+      <template v-else-if="isVideo">
+        <div v-show="hasRemoteVideo" class="absolute inset-0">
+          <video
+            ref="remoteVideoRef"
+            class="object-cover w-full h-full"
+            autoplay
+            playsinline
+          ></video>
+        </div>
+        <div v-if="!hasRemoteVideo" class="flex z-[1] flex-col gap-4 items-center">
+          <UserAvatar
+            :url="peerAvatar"
+            :name="peerNickname"
+            :size="96"
+            radius="8px"
+            :clickable="false"
+          />
+          <div class="text-[17px] font-medium">{{ peerNickname }}</div>
+          <div class="text-13px text-white/60">等待对方开启摄像头...</div>
+        </div>
+        <div
+          v-if="localStream"
+          class="absolute top-4 right-4 z-[2] overflow-hidden w-30 rounded-lg aspect-[9/16] bg-[#333]"
+        >
+          <video
+            ref="localVideoRef"
+            class="object-cover w-full h-full scale-x-[-1]"
+            autoplay
+            muted
+            playsinline
+          ></video>
+        </div>
+      </template>
+
+      <!-- 1v1 语音：头像 + 时长 -->
+      <template v-else>
+        <div class="flex z-[1] flex-col gap-4 items-center">
+          <UserAvatar
+            :url="peerAvatar"
+            :name="peerNickname"
+            :size="96"
+            radius="8px"
+            :clickable="false"
+          />
+          <div class="text-[17px] font-medium">{{ peerNickname }}</div>
+          <div class="text-13px text-white/60">{{ formattedDuration }}</div>
+        </div>
+        <audio v-if="remoteAudioStream" ref="remoteAudioRef" autoplay :muted="!speakerEnabled"></audio>
+      </template>
+    </div>
+
+    <!-- 底部操作区：麦克风 / 扬声器 / 摄像头 / (群聊：共享屏幕 / 添加成员) / 挂断 -->
+    <div
+      class="flex flex-shrink-0 gap-3 justify-around items-center pt-4 px-4 pb-5 bg-black/20"
+    >
+      <div
+        class="flex flex-col gap-2 items-center cursor-pointer select-none min-w-[64px]"
+        @click="$emit('toggle-mic')"
+      >
+        <span
+          class="flex justify-center items-center w-[52px] h-[52px] rounded-full"
+          :class="micEnabled ? 'bg-white text-[#1a1a1c]' : 'bg-white/15 text-white'"
+        >
+          <Icon
+            :icon="micEnabled ? 'ant-design:audio-outlined' : 'ant-design:audio-muted-outlined'"
+            :size="22"
+          />
+        </span>
+        <span class="text-xs text-white/70 whitespace-nowrap">
+          {{ micEnabled ? '麦克风已开' : '麦克风已关' }}
+        </span>
+      </div>
+      <div
+        class="flex flex-col gap-2 items-center cursor-pointer select-none min-w-[64px]"
+        @click="$emit('toggle-speaker')"
+      >
+        <span
+          class="flex justify-center items-center w-[52px] h-[52px] rounded-full"
+          :class="speakerEnabled ? 'bg-white text-[#1a1a1c]' : 'bg-white/15 text-white'"
+        >
+          <Icon
+            :icon="speakerEnabled ? 'ant-design:sound-outlined' : 'tabler:volume-off'"
+            :size="22"
+          />
+        </span>
+        <span class="text-xs text-white/70 whitespace-nowrap">
+          {{ speakerEnabled ? '扬声器已开' : '扬声器已关' }}
+        </span>
+      </div>
+      <!-- 摄像头按钮：私聊视频固定显示；群聊不论起始 mediaType 都显示，让用户按需开 -->
+      <div
+        v-if="isVideo || isGroup"
+        class="flex flex-col gap-2 items-center cursor-pointer select-none min-w-[64px]"
+        @click="$emit('toggle-camera')"
+      >
+        <span
+          class="flex justify-center items-center w-[52px] h-[52px] rounded-full"
+          :class="cameraEnabled ? 'bg-white text-[#1a1a1c]' : 'bg-white/15 text-white'"
+        >
+          <Icon
+            :icon="cameraEnabled ? 'ant-design:video-camera-outlined' : 'tabler:video-off'"
+            :size="22"
+          />
+        </span>
+        <span class="text-xs text-white/70 whitespace-nowrap">
+          {{ cameraEnabled ? '摄像头已开' : '摄像头已关' }}
+        </span>
+      </div>
+      <!-- 群通话才有：共享屏幕 / 添加成员；共享中按钮高亮 + 文案换成「停止共享」 -->
+      <template v-if="isGroup">
+        <div
+          class="flex flex-col gap-2 items-center cursor-pointer select-none min-w-[64px]"
+          @click="$emit('toggle-screen-share')"
+        >
+          <span
+            class="flex justify-center items-center w-[52px] h-[52px] rounded-full"
+            :class="screenShareEnabled ? 'bg-[#07c160] text-white' : 'bg-white/15 text-white'"
+          >
+            <Icon icon="ant-design:laptop-outlined" :size="22" />
+          </span>
+          <span class="text-xs text-white/70 whitespace-nowrap">
+            {{ screenShareEnabled ? '停止共享' : '共享屏幕' }}
+          </span>
+        </div>
+        <div
+          class="flex flex-col gap-2 items-center cursor-pointer select-none min-w-[64px]"
+          @click="$emit('add-member')"
+        >
+          <span class="flex justify-center items-center w-[52px] h-[52px] text-white rounded-full bg-white/15">
+            <Icon icon="ant-design:plus-outlined" :size="22" />
+          </span>
+          <span class="text-xs text-white/70 whitespace-nowrap">添加成员</span>
+        </div>
+      </template>
+      <div
+        class="flex flex-col gap-2 items-center cursor-pointer select-none min-w-[64px]"
+        @click="$emit('hangup')"
+      >
+        <span class="flex justify-center items-center w-[52px] h-[52px] text-white rounded-full bg-[#f04a4a]">
+          <Icon icon="ant-design:phone-outlined" :size="22" class="rotate-[135deg]" />
+        </span>
+        <span class="text-xs text-white/70 whitespace-nowrap">挂断</span>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script lang="ts" setup>
+import { computed, onUnmounted, ref, watch } from 'vue'
+import Icon from '@/components/Icon/src/Icon.vue'
+import UserAvatar from '../user/UserAvatar.vue'
+import RtcCallParticipantTile, { type CallParticipantVM } from './RtcCallParticipantTile.vue'
+import { formatCallDuration } from '@/views/im/utils/time'
+import { useMediaStreamElement } from '../../composables/useMediaStreamElement'
+
+const props = defineProps<{
+  /** 是否群通话；决定网格 / 单点布局 + 浮窗大小 */
+  isGroup: boolean
+  isVideo: boolean
+  micEnabled: boolean
+  cameraEnabled: boolean
+  /** 扬声器开关；true 时正常播放远端音频，false 时所有远端 audio 元素静音 */
+  speakerEnabled: boolean
+  /** 是否正在屏幕共享；按钮高亮 + 文案切换 */
+  screenShareEnabled?: boolean
+  /** 是否处于网络重连中；显示顶部黄色提示条 */
+  reconnecting?: boolean
+  startedAt: number
+  /** 网格视图用：所有参与者（含自己） */
+  participants: CallParticipantVM[]
+  /** 1v1 视图用 */
+  peerNickname?: string
+  peerAvatar?: string
+  localStream?: MediaStream | null
+  remoteVideoStream?: MediaStream | null
+  remoteAudioStream?: MediaStream | null
+}>()
+
+defineEmits<{
+  hangup: []
+  'toggle-mic': []
+  'toggle-camera': []
+  'toggle-speaker': []
+  'toggle-screen-share': []
+  'add-member': []
+}>()
+
+/** 网格列数；按人数自适应；返回 UnoCSS class 字面量让 JIT 扫描器静态识别 */
+const gridColsClass = computed(() => {
+  const n = props.participants.length
+  if (n <= 1) return 'grid-cols-1'
+  if (n <= 4) return 'grid-cols-2'
+  return 'grid-cols-3'
+})
+
+const localVideoRef = useMediaStreamElement<HTMLVideoElement>(() => props.localStream)
+const remoteVideoRef = useMediaStreamElement<HTMLVideoElement>(() => props.remoteVideoStream)
+const remoteAudioRef = useMediaStreamElement<HTMLAudioElement>(() => props.remoteAudioStream)
+
+/** 1v1 视频：是否有远端视频流 */
+const hasRemoteVideo = computed(() => !props.isGroup && !!props.remoteVideoStream)
+
+/** 通话时长；仅 1v1 语音视图需要展示，其它视图不启 tick */
+const now = ref(Date.now())
+let tick = 0
+watch(
+  () => props.isGroup || props.isVideo,
+  (hidden) => {
+    if (hidden) {
+      if (tick) {
+        clearInterval(tick)
+        tick = 0
+      }
+      return
+    }
+    now.value = Date.now()
+    tick = window.setInterval(() => {
+      now.value = Date.now()
+    }, 1000)
+  },
+  { immediate: true }
+)
+onUnmounted(() => {
+  if (tick) {
+    clearInterval(tick)
+  }
+})
+
+/** 通话时长 MM:SS / HH:MM:SS */
+const formattedDuration = computed(() =>
+  formatCallDuration(Math.floor((now.value - props.startedAt) / 1000))
+)
+</script>
+
+<style scoped>
+/* 重连小点淡入淡出；@keyframes 必须 CSS 定义，再由非 UnoCSS 类名引用 */
+.reconnect-dot {
+  animation: reconnect-pulse 1s ease-in-out infinite;
+}
+@keyframes reconnect-pulse {
+  0%,
+  100% {
+    opacity: 0.3;
+  }
+  50% {
+    opacity: 1;
+  }
+}
+</style>