diff --git a/frontend/src/components-mobile/event/CreateEventSheetMobile.vue b/frontend/src/components-mobile/event/CreateEventSheetMobile.vue
new file mode 100644
index 0000000..e933ecf
--- /dev/null
+++ b/frontend/src/components-mobile/event/CreateEventSheetMobile.vue
@@ -0,0 +1,168 @@
+<!-- src/components-mobile/event/CreateEventSheetMobile.vue -->
+<!-- 创建活动底部面板：标题/描述/地点/开始/结束/人数上限 -->
+<script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import { useEventStore } from '@/stores/event'
+import { showSuccessToast, showFailToast } from 'vant'
+
+const props = defineProps<{
+  show: boolean
+  groupId: string
+}>()
+
+const emit = defineEmits<{
+  'update:show': [value: boolean]
+  'created': []
+}>()
+
+const eventStore = useEventStore()
+
+const visible = computed({
+  get: () => props.show,
+  set: (val) => emit('update:show', val)
+})
+
+const form = ref({
+  title: '',
+  description: '',
+  location: '',
+  startTime: '',
+  endTime: '',
+  maxParticipants: 0
+})
+const saving = ref(false)
+
+watch(() => props.show, (val) => {
+  if (val) {
+    // 默认开始时间为当前+1小时（取整点）
+    const now = new Date()
+    now.setHours(now.getHours() + 1, 0, 0, 0)
+    form.value = {
+      title: '',
+      description: '',
+      location: '',
+      startTime: toLocalInput(now),
+      endTime: '',
+      maxParticipants: 0
+    }
+  }
+})
+
+function toLocalInput(d: Date): string {
+  const pad = (n: number) => String(n).padStart(2, '0')
+  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}T${pad(d.getHours())}:${pad(d.getMinutes())}`
+}
+
+async function handleSubmit() {
+  if (!form.value.title.trim()) {
+    showFailToast('请输入活动标题')
+    return
+  }
+  if (!form.value.startTime) {
+    showFailToast('请设置开始时间')
+    return
+  }
+  const startTime = new Date(form.value.startTime).toISOString()
+  const endTime = form.value.endTime ? new Date(form.value.endTime).toISOString() : undefined
+  if (endTime && new Date(endTime) <= new Date(startTime)) {
+    showFailToast('结束时间必须晚于开始时间')
+    return
+  }
+  saving.value = true
+  try {
+    await eventStore.addEvent({
+      group: props.groupId,
+      title: form.value.title.trim(),
+      description: form.value.description.trim() || undefined,
+      location: form.value.location.trim() || undefined,
+      startTime,
+      endTime,
+      maxParticipants: form.value.maxParticipants > 0 ? form.value.maxParticipants : undefined
+    })
+    showSuccessToast('创建成功')
+    emit('created')
+  } catch (e: any) {
+    showFailToast(e.message || '创建失败')
+  } finally {
+    saving.value = false
+  }
+}
+</script>
+
+<template>
+  <van-popup
+    v-model:show="visible"
+    position="bottom"
+    round
+    closeable
+    :style="{ height: '80%' }"
+  >
+    <div class="create-sheet">
+      <div class="sheet-title">发起活动</div>
+      <van-cell-group inset>
+        <van-field v-model="form.title" label="标题" placeholder="活动名称" required maxlength="100" />
+        <van-field
+          v-model="form.description"
+          type="textarea"
+          label="描述"
+          placeholder="活动详情（可选）"
+          rows="3"
+          autosize
+        />
+        <van-field v-model="form.location" label="地点" placeholder="如：语音房 / 线下某处" />
+        <van-field
+          v-model="form.startTime"
+          type="datetime-local"
+          label="开始时间"
+          placeholder="选择时间"
+          required
+        />
+        <van-field
+          v-model="form.endTime"
+          type="datetime-local"
+          label="结束时间"
+          placeholder="可选"
+        />
+        <van-field name="stepper" label="人数上限">
+          <template #input>
+            <van-stepper v-model="form.maxParticipants" min="0" max="200" />
+          </template>
+        </van-field>
+      </van-cell-group>
+      <div class="hint">人数上限为 0 表示不限制</div>
+      <div class="sheet-actions">
+        <van-button type="primary" block round :loading="saving" @click="handleSubmit">
+          创建活动
+        </van-button>
+      </div>
+    </div>
+  </van-popup>
+</template>
+
+<style scoped>
+.create-sheet {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  overflow-y: auto;
+  padding: 16px 0 24px;
+}
+
+.sheet-title {
+  text-align: center;
+  font-size: 16px;
+  font-weight: 600;
+  padding: 8px 0 16px;
+}
+
+.hint {
+  padding: 8px 16px;
+  font-size: 12px;
+  color: var(--gg-text-muted);
+}
+
+.sheet-actions {
+  padding: 16px;
+  margin-top: auto;
+}
+</style>
diff --git a/frontend/src/components-mobile/event/EventListMobile.vue b/frontend/src/components-mobile/event/EventListMobile.vue
new file mode 100644
index 0000000..317c1c8
--- /dev/null
+++ b/frontend/src/components-mobile/event/EventListMobile.vue
@@ -0,0 +1,328 @@
+<!-- src/components-mobile/event/EventListMobile.vue -->
+<!-- 手机端事件列表 + 展开详情（RSVP + 评论）+ 创建入口 -->
+<script setup lang="ts">
+import { ref, computed, onMounted, onUnmounted } from 'vue'
+import { useEventStore } from '@/stores/event'
+import { useGroupStore } from '@/stores/group'
+import { pb } from '@/api/pocketbase'
+import { subscribeEvents, subscribeEventComments, subscribeEventRSVPs } from '@/api/events'
+import { EventStatusMap, RSVPTypeMap } from '@/types'
+import type { Event, RSVPType } from '@/types'
+import { displayName } from '@/types'
+import { showSuccessToast, showFailToast, showConfirmDialog } from 'vant'
+import CreateEventSheetMobile from './CreateEventSheetMobile.vue'
+
+const props = defineProps<{ groupId: string }>()
+
+const eventStore = useEventStore()
+const groupStore = useGroupStore()
+
+const upcomingEvents = computed(() => eventStore.upcomingEvents)
+const pastEvents = computed(() => eventStore.pastEvents)
+const expandedId = ref<string | null>(null)
+const showCreate = ref(false)
+
+let unsubEvents: (() => void) | null = null
+let unsubComments: (() => void) | null = null
+let unsubRSVPs: (() => void) | null = null
+
+const currentUserId = computed(() => pb.authStore.model?.id || '')
+
+onMounted(async () => {
+  await eventStore.loadEvents(props.groupId)
+  try {
+    unsubEvents = await subscribeEvents(props.groupId, async () => {
+      await eventStore.loadEvents(props.groupId)
+      if (expandedId.value) await loadDetail(expandedId.value)
+    })
+  } catch (e) { console.error(e) }
+})
+
+onUnmounted(() => {
+  if (unsubEvents) unsubEvents()
+  if (unsubComments) unsubComments()
+  if (unsubRSVPs) unsubRSVPs()
+  eventStore.clear()
+})
+
+async function loadDetail(eventId: string) {
+  await eventStore.loadCommentsAndRSVPs(eventId)
+}
+
+async function toggleExpand(event: Event) {
+  if (expandedId.value === event.id) {
+    expandedId.value = null
+    if (unsubComments) { unsubComments(); unsubComments = null }
+    if (unsubRSVPs) { unsubRSVPs(); unsubRSVPs = null }
+  } else {
+    expandedId.value = event.id
+    await loadDetail(event.id)
+    if (unsubComments) unsubComments()
+    if (unsubRSVPs) unsubRSVPs()
+    try {
+      unsubComments = await subscribeEventComments(event.id, () => loadDetail(event.id))
+      unsubRSVPs = await subscribeEventRSVPs(event.id, () => loadDetail(event.id))
+    } catch (e) { console.error(e) }
+  }
+}
+
+const rsvps = computed(() => eventStore.rsvps)
+const comments = computed(() => eventStore.comments)
+
+function myRsvp(eventId: string) {
+  if (expandedId.value !== eventId) return null
+  return rsvps.value.find(r => r.user === currentUserId.value) || null
+}
+
+function goingCount(eventId: string): number {
+  if (expandedId.value !== eventId) return 0
+  return rsvps.value.filter(r => r.type === 'going').length
+}
+
+async function doRsvp(event: Event, type: RSVPType) {
+  try {
+    await eventStore.rsvp(event.id, type)
+    showSuccessToast(`已${RSVPTypeMap[type]}`)
+  } catch (e: any) {
+    showFailToast(e.message || '操作失败')
+  }
+}
+
+async function cancelRsvp(event: Event) {
+  try {
+    await eventStore.cancelRSVP(event.id)
+    showSuccessToast('已取消')
+  } catch (e: any) {
+    showFailToast(e.message || '操作失败')
+  }
+}
+
+// 评论
+const newComment = ref('')
+const commentSubmitting = ref(false)
+
+async function submitComment(eventId: string) {
+  if (!newComment.value.trim()) {
+    showFailToast('请输入评论')
+    return
+  }
+  commentSubmitting.value = true
+  try {
+    await eventStore.addComment(eventId, newComment.value.trim())
+    newComment.value = ''
+  } catch (e: any) {
+    showFailToast(e.message || '评论失败')
+  } finally {
+    commentSubmitting.value = false
+  }
+}
+
+async function handleDelete(event: Event) {
+  showConfirmDialog({
+    title: '删除事件',
+    message: `确定要删除「${event.title}」吗？`
+  }).then(async () => {
+    try {
+      await eventStore.removeEvent(event.id)
+      showSuccessToast('已删除')
+      expandedId.value = null
+    } catch (e: any) {
+      showFailToast(e.message || '删除失败')
+    }
+  }).catch(() => {})
+}
+
+function canManage(event: Event): boolean {
+  if (groupStore.isGroupOwner) return true
+  if (groupStore.isGroupAdmin) return true
+  if (event.creator === currentUserId.value) return true
+  return false
+}
+
+function statusType(s: string): any {
+  return s === 'upcoming' ? 'primary' : s === 'ongoing' ? 'success' : 'default'
+}
+
+function formatDateTime(dateStr: string): string {
+  return new Date(dateStr).toLocaleString('zh-CN', { month: 'short', day: 'numeric', hour: '2-digit', minute: '2-digit' })
+}
+
+async function onCreated() {
+  showCreate.value = false
+  await eventStore.loadEvents(props.groupId)
+}
+</script>
+
+<template>
+  <div class="event-mobile">
+    <div class="toolbar">
+      <van-button type="primary" size="small" round icon="plus" @click="showCreate = true">
+        发起活动
+      </van-button>
+    </div>
+
+    <div v-if="upcomingEvents.length === 0 && pastEvents.length === 0" class="empty">
+      <van-empty description="暂无活动" image-size="100">
+        <van-button type="primary" size="small" round @click="showCreate = true">发起第一个活动</van-button>
+      </van-empty>
+    </div>
+
+    <!-- 即将开始 -->
+    <div v-if="upcomingEvents.length > 0" class="section-block">
+      <div class="block-title">即将开始</div>
+      <div v-for="event in upcomingEvents" :key="event.id" class="event-card-wrap">
+        <div class="event-card" @click="toggleExpand(event)">
+          <div class="event-card-header">
+            <van-tag :type="statusType(event.status)" size="medium">{{ EventStatusMap[event.status] }}</van-tag>
+            <span v-if="expandedId !== event.id && goingCount(event.id) > 0" class="event-going">
+              {{ goingCount(event.id) }} 人参加
+            </span>
+            <van-icon :name="expandedId === event.id ? 'arrow-up' : 'arrow-down'" class="expand-icon" />
+          </div>
+          <div class="event-title">{{ event.title }}</div>
+          <div class="event-time">🕐 {{ formatDateTime(event.startTime) }}</div>
+          <div v-if="event.location" class="event-loc">📍 {{ event.location }}</div>
+        </div>
+
+        <!-- 展开详情 -->
+        <div v-if="expandedId === event.id" class="event-detail">
+          <p v-if="event.description" class="detail-desc">{{ event.description }}</p>
+          <div v-if="event.endTime" class="detail-meta">结束：{{ formatDateTime(event.endTime) }}</div>
+          <div v-if="event.maxParticipants" class="detail-meta">人数上限：{{ event.maxParticipants }}</div>
+
+          <!-- RSVP -->
+          <div class="detail-section">
+            <div class="detail-section-title">参加报名（{{ goingCount(event.id) }} 人）</div>
+            <div class="rsvp-row">
+              <template v-if="myRsvp(event.id)">
+                <van-tag :type="myRsvp(event.id)!.type === 'going' ? 'success' : 'primary'" size="large">
+                  {{ RSVPTypeMap[myRsvp(event.id)!.type] }}
+                </van-tag>
+                <van-button size="mini" plain round @click="cancelRsvp(event)">取消报名</van-button>
+              </template>
+              <template v-else>
+                <van-button size="small" type="primary" round @click="doRsvp(event, 'going')">参加</van-button>
+                <van-button size="small" round @click="doRsvp(event, 'interested')">感兴趣</van-button>
+                <van-button size="small" round @click="doRsvp(event, 'maybe')">可能参加</van-button>
+              </template>
+            </div>
+          </div>
+
+          <!-- 评论 -->
+          <div class="detail-section">
+            <div class="detail-section-title">评论 ({{ comments.length }})</div>
+            <div class="comment-input-row">
+              <van-field v-model="newComment" placeholder="写评论..." class="comment-input" />
+              <van-button size="small" type="primary" :loading="commentSubmitting" @click="submitComment(event.id)">发送</van-button>
+            </div>
+            <div v-if="comments.length === 0" class="comment-empty">暂无评论</div>
+            <div v-else class="comment-list">
+              <div v-for="c in comments" :key="c.id" class="comment-item">
+                <img :src="c.expand?.user?.avatar || '/default-avatar.svg'" class="comment-avatar" alt="" />
+                <div class="comment-body">
+                  <div class="comment-author">{{ displayName(c.expand?.user) }}</div>
+                  <div class="comment-content">{{ c.content }}</div>
+                </div>
+              </div>
+            </div>
+          </div>
+
+          <!-- 管理操作 -->
+          <div v-if="canManage(event)" class="detail-actions">
+            <van-button size="small" plain type="danger" round icon="delete-o" @click="handleDelete(event)">删除</van-button>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <!-- 已结束 -->
+    <div v-if="pastEvents.length > 0" class="section-block">
+      <div class="block-title">已结束</div>
+      <div v-for="event in pastEvents" :key="event.id" class="event-card-wrap">
+        <div class="event-card ended" @click="toggleExpand(event)">
+          <div class="event-card-header">
+            <van-tag type="default" size="medium">{{ EventStatusMap[event.status] }}</van-tag>
+            <van-icon :name="expandedId === event.id ? 'arrow-up' : 'arrow-down'" class="expand-icon" />
+          </div>
+          <div class="event-title">{{ event.title }}</div>
+          <div class="event-time">🕐 {{ formatDateTime(event.startTime) }}</div>
+        </div>
+        <div v-if="expandedId === event.id" class="event-detail">
+          <p v-if="event.description" class="detail-desc">{{ event.description }}</p>
+          <div v-if="canManage(event)" class="detail-actions">
+            <van-button size="small" plain type="danger" round icon="delete-o" @click="handleDelete(event)">删除</van-button>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <CreateEventSheetMobile v-model:show="showCreate" :group-id="props.groupId" @created="onCreated" />
+  </div>
+</template>
+
+<style scoped>
+.event-mobile { padding: 12px; }
+
+.toolbar { display: flex; justify-content: flex-end; margin-bottom: 12px; }
+.empty { padding: 20px 0; }
+
+.section-block { margin-bottom: 16px; }
+.block-title {
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--gg-text-muted);
+  margin-bottom: 8px;
+  padding: 0 2px;
+}
+
+.event-card-wrap { margin-bottom: 10px; }
+
+.event-card {
+  background: var(--gg-bg-card);
+  border-radius: var(--gg-radius-md);
+  padding: 14px;
+  box-shadow: var(--gg-shadow);
+}
+.event-card:active { opacity: 0.85; }
+.event-card.ended { opacity: 0.7; }
+
+.event-card-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 8px;
+}
+.event-going { font-size: 12px; color: var(--gg-text-muted); margin-left: auto; }
+.expand-icon { margin-left: auto; color: var(--gg-text-muted); font-size: 14px; }
+
+.event-title { font-size: 16px; font-weight: 600; color: var(--gg-text); }
+.event-time { font-size: 13px; color: var(--gg-text-secondary); margin-top: 6px; }
+.event-loc { font-size: 13px; color: var(--gg-text-secondary); margin-top: 2px; }
+
+.event-detail {
+  background: var(--gg-bg);
+  border-radius: 0 0 var(--gg-radius-md) var(--gg-radius-md);
+  padding: 14px;
+  margin-top: -4px;
+}
+
+.detail-desc { font-size: 14px; color: var(--gg-text); line-height: 1.6; margin: 0 0 12px; white-space: pre-wrap; }
+.detail-meta { font-size: 12px; color: var(--gg-text-muted); margin-bottom: 4px; }
+
+.detail-section { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--gg-border); }
+.detail-section-title { font-size: 13px; font-weight: 600; color: var(--gg-text-secondary); margin-bottom: 10px; }
+
+.rsvp-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
+
+.comment-input-row { display: flex; gap: 8px; align-items: center; }
+.comment-input { flex: 1; background: var(--gg-bg-card); border-radius: var(--gg-radius-sm); padding: 4px 10px; }
+.comment-empty { font-size: 12px; color: var(--gg-text-muted); padding: 12px 0; text-align: center; }
+.comment-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
+.comment-item { display: flex; gap: 8px; }
+.comment-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
+.comment-body { flex: 1; min-width: 0; }
+.comment-author { font-size: 12px; font-weight: 600; color: var(--gg-text); }
+.comment-content { font-size: 13px; color: var(--gg-text-secondary); margin-top: 2px; word-break: break-word; }
+
+.detail-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--gg-border); }
+</style>
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index 1ce2e8d..5f68f1c 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -15,17 +15,6 @@ function view(desktop: () => Promise<any>, mobile: () => Promise<any>) {
   return isMobile() ? mobile : desktop
 }
 
-// 阶段 1 占位：尚未实现的 mobile 视图统一指向 Placeholder，后续阶段逐个替换为真实组件
-//   阶段 2: LoginMobile / RegisterMobile
-//   阶段 3: HomeMobile / GroupsMobile / NotificationsMobile
-//   阶段 4: GroupViewMobile
-//   阶段 5: VoiceRoomMobile
-//   阶段 7: GamesLibraryMobile
-//   阶段 8: LedgerMobile / AssetMobile / BlacklistMobile
-//   阶段 9: ProfileMobile / SettingsMobile / ChangelogMobile
-//   阶段 11: JoinGroupPageMobile / JoinTeamPageMobile
-const mobilePlaceholder = () => import('@/views-mobile/Placeholder.vue')
-
 // 路由配置
 const routes: RouteRecordRaw[] = [
   {
@@ -161,10 +150,9 @@ const routes: RouteRecordRaw[] = [
   {
     path: '/join/group/:groupId',
     name: 'JoinGroup',
-    // 邀请落地页：手机端组件阶段 11 填充，现先用 Placeholder 让分流跑通
     component: view(
       () => import('@/views/JoinGroupPage.vue'),
-      mobilePlaceholder
+      () => import('@/views-mobile/JoinGroupPageMobile.vue')
     ),
     props: true
   },
@@ -173,7 +161,7 @@ const routes: RouteRecordRaw[] = [
     name: 'JoinTeam',
     component: view(
       () => import('@/views/JoinTeamPage.vue'),
-      mobilePlaceholder
+      () => import('@/views-mobile/JoinTeamPageMobile.vue')
     ),
     props: true
   },
diff --git a/frontend/src/views-mobile/GroupViewMobile.vue b/frontend/src/views-mobile/GroupViewMobile.vue
index 0605cd5..4eab946 100644
--- a/frontend/src/views-mobile/GroupViewMobile.vue
+++ b/frontend/src/views-mobile/GroupViewMobile.vue
@@ -13,6 +13,7 @@ import BetListMobile from '@/components-mobile/bet/BetListMobile.vue'
 import MemoryGridMobile from '@/components-mobile/memory/MemoryGridMobile.vue'
 import StatsPanelMobile from '@/components-mobile/stats/StatsPanelMobile.vue'
 import BulletinListMobile from '@/components-mobile/bulletin/BulletinListMobile.vue'
+import EventListMobile from '@/components-mobile/event/EventListMobile.vue'
 import Placeholder from '@/views-mobile/Placeholder.vue'
 import { Wallet, Box, Warning } from '@element-plus/icons-vue'
 
@@ -57,11 +58,11 @@ onUnmounted(async () => {
   }
 })
 
-// 标签配置
-// polls/bets/memories/stats 子组件已迁移；bulletin 阶段 10 新增；events 阶段 11 新增
+// 标签配置（全部 tab 已接入）
 const tabs = [
   { name: 'activity', label: '动态' },
   { name: 'bulletin', label: '公告' },
+  { name: 'events', label: '活动' },
   { name: 'polls', label: '投票' },
   { name: 'bets', label: '竞猜' },
   { name: 'members', label: '成员' },
@@ -125,18 +126,14 @@ function goBlacklist() {
     >
       <van-tab v-for="tab in tabs" :key="tab.name" :name="tab.name" :title="tab.label">
         <div class="tab-content">
-          <!-- 阶段 4 已迁移 -->
           <ActivityFeedMobile v-if="activeTab === 'activity'" :group-id="groupId" />
           <MemberListMobile v-else-if="activeTab === 'members'" :group-id="groupId" />
-          <!-- 阶段 6 已迁移 -->
           <PollListMobile v-else-if="activeTab === 'polls'" :group-id="groupId" />
           <BetListMobile v-else-if="activeTab === 'bets'" :group-id="groupId" />
-          <!-- 阶段 9 已迁移 -->
           <MemoryGridMobile v-else-if="activeTab === 'memories'" :group-id="groupId" />
           <StatsPanelMobile v-else-if="activeTab === 'stats'" :group-id="groupId" />
-          <!-- 阶段 10 新增 -->
           <BulletinListMobile v-else-if="activeTab === 'bulletin'" :group-id="groupId" />
-          <!-- 以下 tab 子组件在阶段 11 迁移后接入，现暂用占位 -->
+          <EventListMobile v-else-if="activeTab === 'events'" :group-id="groupId" />
           <Placeholder v-else />
         </div>
       </van-tab>
diff --git a/frontend/src/views-mobile/JoinGroupPageMobile.vue b/frontend/src/views-mobile/JoinGroupPageMobile.vue
new file mode 100644
index 0000000..3507a2d
--- /dev/null
+++ b/frontend/src/views-mobile/JoinGroupPageMobile.vue
@@ -0,0 +1,222 @@
+<!-- src/views-mobile/JoinGroupPageMobile.vue -->
+<!-- 手机端群组邀请落地页 -->
+<script setup lang="ts">
+import { ref, computed, onMounted } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { getGroup, joinGroup, createJoinRequest } from '@/api/groups'
+import { useGroupStore } from '@/stores/group'
+import { pb, isAuthenticated } from '@/api/pocketbase'
+import type { Group } from '@/types'
+import { showSuccessToast, showFailToast } from 'vant'
+
+const route = useRoute()
+const router = useRouter()
+const groupStore = useGroupStore()
+
+const group = ref<Group | null>(null)
+const loading = ref(true)
+const joining = ref(false)
+const error = ref('')
+
+const groupId = route.params.groupId as string
+
+onMounted(async () => {
+  try {
+    group.value = await getGroup(groupId)
+  } catch {
+    error.value = '群组不存在或已解散'
+  } finally {
+    loading.value = false
+  }
+})
+
+const isLoggedIn = computed(() => isAuthenticated())
+
+const isMember = computed(() => {
+  if (!group.value) return false
+  const userId = pb.authStore.model?.id
+  if (!userId) return false
+  return group.value.members?.includes(userId) || false
+})
+
+function goToLogin() {
+  router.push({ name: 'Login', query: { redirect: route.fullPath } })
+}
+
+function goToGroup() {
+  router.push({ name: 'GroupView', params: { id: groupId } })
+}
+
+async function handleJoin() {
+  if (!isLoggedIn.value) {
+    goToLogin()
+    return
+  }
+  joining.value = true
+  try {
+    if (group.value?.requireApproval) {
+      await createJoinRequest(groupId)
+      showSuccessToast('已提交加入申请，等待审核')
+    } else {
+      await joinGroup(groupId)
+      await groupStore.loadGroups()
+      showSuccessToast('已成功加入群组')
+      goToGroup()
+    }
+  } catch (e: any) {
+    showFailToast(e.message || '加入失败')
+  } finally {
+    joining.value = false
+  }
+}
+</script>
+
+<template>
+  <div class="join-page">
+    <div class="join-card">
+      <div class="join-header">
+        <div class="header-icon">🔗</div>
+        <h1>群组邀请</h1>
+      </div>
+
+      <div v-if="loading" class="loading-state">
+        <van-loading size="24px">加载中...</van-loading>
+      </div>
+
+      <div v-else-if="error" class="error-state">
+        <van-icon name="warning-o" size="48" />
+        <p>{{ error }}</p>
+        <van-button block round @click="router.push('/')">返回首页</van-button>
+      </div>
+
+      <div v-else-if="group" class="group-info">
+        <h2 class="group-name">{{ group.name }}</h2>
+        <p v-if="group.description" class="group-desc">{{ group.description }}</p>
+        <div class="meta-row">
+          <span class="meta-item">
+            <van-icon name="friends-o" /> {{ group.members?.length || 0 }} / {{ group.maxMembers }} 人
+          </span>
+        </div>
+        <van-tag v-if="group.requireApproval" type="warning" size="large" round class="approval-tag">需审核</van-tag>
+        <van-tag v-else type="success" size="large" round class="approval-tag">可直接加入</van-tag>
+
+        <div v-if="isMember" class="action-block">
+          <p class="tip">你已经是该群组的成员</p>
+          <van-button type="primary" block round @click="goToGroup">进入群组</van-button>
+        </div>
+
+        <div v-else-if="!isLoggedIn" class="action-block">
+          <p class="tip">登录后即可加入群组</p>
+          <van-button type="primary" block round @click="goToLogin">登录 / 注册</van-button>
+        </div>
+
+        <div v-else class="action-block">
+          <p class="tip">{{ group.requireApproval ? '加入该群组需要群主审核' : '点击即可加入群组' }}</p>
+          <van-button type="primary" block round :loading="joining" @click="handleJoin">
+            {{ group.requireApproval ? '申请加入' : '立即加入' }}
+          </van-button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.join-page {
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 24px 16px;
+  background: var(--gg-bg);
+}
+
+.join-card {
+  width: 100%;
+  max-width: 420px;
+  background: var(--gg-bg-card);
+  border-radius: var(--gg-radius-lg);
+  padding: 32px 24px;
+  box-shadow: var(--gg-shadow);
+}
+
+.join-header {
+  text-align: center;
+  margin-bottom: 24px;
+}
+
+.header-icon {
+  font-size: 40px;
+  margin-bottom: 8px;
+}
+
+.join-header h1 {
+  font-size: 20px;
+  font-weight: 700;
+  margin: 0;
+  color: var(--gg-text);
+}
+
+.loading-state {
+  display: flex;
+  justify-content: center;
+  padding: 40px;
+}
+
+.error-state {
+  text-align: center;
+  padding: 16px 0;
+  color: var(--gg-danger);
+}
+.error-state p { margin: 12px 0 16px; font-size: 14px; }
+.error-state .van-button { max-width: 200px; margin: 0 auto; }
+
+.group-info {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 12px;
+  text-align: center;
+}
+
+.group-name {
+  font-size: 22px;
+  font-weight: 700;
+  margin: 0;
+  color: var(--gg-text);
+}
+
+.group-desc {
+  font-size: 14px;
+  color: var(--gg-text-muted);
+  margin: 0;
+  line-height: 1.5;
+}
+
+.meta-row {
+  font-size: 13px;
+  color: var(--gg-text-secondary);
+}
+
+.meta-item {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.approval-tag { margin: 4px 0 12px; }
+
+.action-block {
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  margin-top: 8px;
+}
+
+.tip {
+  font-size: 14px;
+  color: var(--gg-text-muted);
+  margin: 0;
+}
+</style>
diff --git a/frontend/src/views-mobile/JoinTeamPageMobile.vue b/frontend/src/views-mobile/JoinTeamPageMobile.vue
new file mode 100644
index 0000000..977c4cd
--- /dev/null
+++ b/frontend/src/views-mobile/JoinTeamPageMobile.vue
@@ -0,0 +1,229 @@
+<!-- src/views-mobile/JoinTeamPageMobile.vue -->
+<!-- 手机端组队邀请落地页 -->
+<script setup lang="ts">
+import { ref, computed, onMounted } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { pb, isAuthenticated } from '@/api/pocketbase'
+import { useGroupStore } from '@/stores/group'
+import { joinTeamSession, getTeamSession } from '@/api/sessions'
+import type { TeamSession } from '@/types'
+import { showSuccessToast, showFailToast } from 'vant'
+
+const route = useRoute()
+const router = useRouter()
+const groupStore = useGroupStore()
+
+const session = ref<TeamSession | null>(null)
+const loading = ref(true)
+const joining = ref(false)
+const error = ref('')
+
+const sessionId = route.params.sessionId as string
+
+onMounted(async () => {
+  try {
+    if (isAuthenticated()) {
+      await groupStore.loadGroups()
+    }
+    session.value = await getTeamSession(sessionId)
+  } catch {
+    error.value = '小队不存在或已解散'
+  } finally {
+    loading.value = false
+  }
+})
+
+const isLoggedIn = computed(() => isAuthenticated())
+
+const isInTeam = computed(() => {
+  const userId = pb.authStore.model?.id
+  if (!userId || !session.value) return false
+  return session.value.members?.includes(userId) || false
+})
+
+const isInSourceGroup = computed(() => {
+  const userId = pb.authStore.model?.id
+  if (!userId || !session.value) return false
+  return groupStore.groups.some(g => g.id === session.value?.sourceGroup)
+})
+
+function goToLogin() {
+  router.push({ name: 'Login', query: { redirect: route.fullPath } })
+}
+
+function goToGroup() {
+  const gid = session.value?.sourceGroup
+  if (gid) router.push({ name: 'GroupView', params: { id: gid } })
+}
+
+async function handleJoin() {
+  if (!isLoggedIn.value) {
+    goToLogin()
+    return
+  }
+  joining.value = true
+  try {
+    await joinTeamSession(sessionId)
+    showSuccessToast('已成功加入小队')
+    goToGroup()
+  } catch (e: any) {
+    showFailToast(e.message || '加入失败')
+  } finally {
+    joining.value = false
+  }
+}
+</script>
+
+<template>
+  <div class="join-page">
+    <div class="join-card">
+      <div class="join-header">
+        <div class="header-icon">🎮</div>
+        <h1>组队邀请</h1>
+      </div>
+
+      <div v-if="loading" class="loading-state">
+        <van-loading size="24px">加载中...</van-loading>
+      </div>
+
+      <div v-else-if="error" class="error-state">
+        <van-icon name="warning-o" size="48" />
+        <p>{{ error }}</p>
+        <van-button block round @click="router.push('/')">返回首页</van-button>
+      </div>
+
+      <div v-else-if="session" class="team-info">
+        <h2 class="team-game">{{ session.gameName }}</h2>
+        <p class="team-name">{{ session.name }}</p>
+        <div class="meta-row">
+          <van-icon name="friends-o" />
+          <span>{{ session.members?.length || 0 }} 人</span>
+        </div>
+
+        <!-- 已在队中 -->
+        <div v-if="isInTeam" class="action-block">
+          <p class="tip">你已在该小队中</p>
+          <van-button type="primary" block round @click="goToGroup">进入群组</van-button>
+        </div>
+
+        <!-- 未登录 -->
+        <div v-else-if="!isLoggedIn" class="action-block">
+          <p class="tip">登录后即可加入小队</p>
+          <van-button type="primary" block round @click="goToLogin">登录 / 注册</van-button>
+        </div>
+
+        <!-- 未在源群组 -->
+        <div v-else-if="!isInSourceGroup" class="action-block">
+          <p class="tip warn">需要先加入该小队所在的群组</p>
+          <van-button type="primary" block round @click="goToGroup">前往群组</van-button>
+        </div>
+
+        <!-- 可加入 -->
+        <div v-else class="action-block">
+          <p class="tip">点击加入小队，一起开黑</p>
+          <van-button type="primary" block round :loading="joining" @click="handleJoin">
+            立即加入
+          </van-button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.join-page {
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 24px 16px;
+  background: var(--gg-bg);
+}
+
+.join-card {
+  width: 100%;
+  max-width: 420px;
+  background: var(--gg-bg-card);
+  border-radius: var(--gg-radius-lg);
+  padding: 32px 24px;
+  box-shadow: var(--gg-shadow);
+}
+
+.join-header {
+  text-align: center;
+  margin-bottom: 24px;
+}
+
+.header-icon {
+  font-size: 40px;
+  margin-bottom: 8px;
+}
+
+.join-header h1 {
+  font-size: 20px;
+  font-weight: 700;
+  margin: 0;
+  color: var(--gg-text);
+}
+
+.loading-state {
+  display: flex;
+  justify-content: center;
+  padding: 40px;
+}
+
+.error-state {
+  text-align: center;
+  padding: 16px 0;
+  color: var(--gg-danger);
+}
+.error-state p { margin: 12px 0 16px; font-size: 14px; }
+.error-state .van-button { max-width: 200px; margin: 0 auto; }
+
+.team-info {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 8px;
+  text-align: center;
+}
+
+.team-game {
+  font-size: 22px;
+  font-weight: 700;
+  margin: 0;
+  color: var(--gg-text);
+}
+
+.team-name {
+  font-size: 14px;
+  color: var(--gg-text-muted);
+  margin: 0;
+}
+
+.meta-row {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 13px;
+  color: var(--gg-text-secondary);
+  margin: 4px 0 16px;
+}
+
+.action-block {
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.tip {
+  font-size: 14px;
+  color: var(--gg-text-muted);
+  margin: 0;
+}
+
+.tip.warn {
+  color: var(--gg-warning);
+}
+</style>