diff --git a/admin/src/hooks/core/useTable.ts b/admin/src/hooks/core/useTable.ts
index 3506519..c29c402 100644
--- a/admin/src/hooks/core/useTable.ts
+++ b/admin/src/hooks/core/useTable.ts
@@ -404,14 +404,13 @@ function useTableImpl<TApiFn extends (params: any) => Promise<any>>(
         return { records: [], total: 0, current: 1, size: 10 }
       }
 
-      if (!superseded) {
-        // 状态机：请求失败，进入 error 状态
-        loadingState.value = 'error'
-        data.value = []
-      }
       if (superseded) {
         // 旧请求的失败交给新请求兜底，不触发错误回调
         throw err instanceof Error ? err : new Error(String(err))
+      } else {
+        // 状态机：请求失败，进入 error 状态
+        loadingState.value = 'error'
+        data.value = []
       }
       const tableError = handleError(err, '获取表格数据失败')
       throw tableError
diff --git a/admin/src/utils/tracker/index.ts b/admin/src/utils/tracker/index.ts
index a56a957..d9d1800 100644
--- a/admin/src/utils/tracker/index.ts
+++ b/admin/src/utils/tracker/index.ts
@@ -51,7 +51,7 @@ export const formatStay = (ms?: number | null): string => {
   if (days) parts.push(`${days}天`)
   if (hours) parts.push(`${hours}小时`)
   if (minutes) parts.push(`${minutes}分`)
-  // 秒恒显示（含 0），避免"0秒/不足 1 秒"整行变空
+  // 仅当非零或无更高单位时显示秒（与下方条件表达式语义一致）
   if (seconds || !parts.length) parts.push(`${seconds}秒`)
   return parts.join('')
 }
diff --git a/admin/src/views/tracker/visitor/detail.vue b/admin/src/views/tracker/visitor/detail.vue
index fc96909..e7608bd 100644
--- a/admin/src/views/tracker/visitor/detail.vue
+++ b/admin/src/views/tracker/visitor/detail.vue
@@ -1,10 +1,619 @@
+<!-- 访客统计 · 访客详情（档案卡 + 跨天时间线 + 会话列表/抽屉） -->
+<!-- keepAlive=true 且路由 path 固定：访客切换复用同一实例，刷新依赖 onActivated + query watch -->
 <template>
-  <div class="p-5">
-    <h2 class="mb-3 text-lg font-semibold">访客详情</h2>
-    <div>Task 20 填充</div>
+  <div class="visitor-detail-page p-5">
+    <!-- 顶栏：返回 + 标题 -->
+    <div class="flex-c flex-wrap gap-3 mb-3">
+      <ElTooltip content="返回访客列表" placement="top">
+        <ElButton circle :icon="BackIcon" @click="goBack" />
+      </ElTooltip>
+      <h2 class="m-0 text-lg font-semibold">访客详情</h2>
+      <span v-if="detail" class="text-xs text-g-500">档案与轨迹时间均为上海时间</span>
+    </div>
+
+    <!-- 缺参兜底：直接输 URL 无 visitor_id -->
+    <div v-if="!routeVisitorId" class="art-card px-5 py-4">
+      <ElEmpty description="缺少访客参数，请从访客列表进入" />
+    </div>
+
+    <template v-else>
+      <!-- 档案卡 -->
+      <div v-loading="profileLoading" class="art-card mb-4 px-5 py-4">
+        <template v-if="detail">
+          <!-- 访客 ID + 在线状态 -->
+          <div class="flex-c flex-wrap gap-x-5 gap-y-2 mb-3">
+            <div class="flex-c gap-2 min-w-0">
+              <span class="text-sm text-g-600 shrink-0">访客 ID</span>
+              <code class="visitor-id-code">{{ detail.visitor_id }}</code>
+              <ElButton link type="primary" size="small" @click="copyVisitorId">复制</ElButton>
+            </div>
+            <div class="flex-c gap-1.5">
+              <span class="online-dot" :class="{ 'is-online': detail.online }" />
+              <span class="text-sm">{{ detail.online ? '在线' : '离线' }}</span>
+            </div>
+          </div>
+
+          <ElDescriptions :column="3" border size="small" class="profile-desc">
+            <ElDescriptionsItem label="地理位置">
+              <span class="whitespace-nowrap">
+                {{ countryFlag(detail.country) }}
+                {{
+                  [detail.country, detail.province, detail.city].filter(Boolean).join(' · ') || '—'
+                }}
+              </span>
+            </ElDescriptionsItem>
+            <ElDescriptionsItem label="IP">
+              <span class="font-mono text-xs">{{ detail.last_ip || '—' }}</span>
+            </ElDescriptionsItem>
+            <ElDescriptionsItem label="语言 / 时区">
+              {{ [detail.language, detail.timezone_name].filter(Boolean).join(' · ') || '—' }}
+            </ElDescriptionsItem>
+            <ElDescriptionsItem label="设备环境">
+              <span class="whitespace-nowrap">
+                {{
+                  [detail.device_type, detail.os, detail.browser, detail.screen]
+                    .filter(Boolean)
+                    .join(' · ') || '—'
+                }}
+              </span>
+            </ElDescriptionsItem>
+            <ElDescriptionsItem label="首触来源">
+              <div class="flex-c flex-wrap gap-1.5">
+                <span class="whitespace-nowrap">{{ firstSourceText }}</span>
+                <ElTag
+                  v-for="(val, key) in detail.first_utm"
+                  :key="key"
+                  size="small"
+                  type="info"
+                  class="utm-tag"
+                >
+                  {{ key }}={{ val }}
+                </ElTag>
+              </div>
+            </ElDescriptionsItem>
+            <ElDescriptionsItem label="落地页">
+              <ElTooltip
+                v-if="detail.first_landing_path"
+                :content="detail.first_landing_path"
+                placement="top"
+              >
+                <span class="mono-path landing-path">{{ detail.first_landing_path }}</span>
+              </ElTooltip>
+              <span v-else>—</span>
+            </ElDescriptionsItem>
+          </ElDescriptions>
+
+          <!-- 统计数字 -->
+          <div class="grid grid-cols-2 gap-3 mt-4 md:grid-cols-4">
+            <div v-for="tile in statTiles" :key="tile.label" class="stat-tile">
+              <span class="text-xs text-g-600">{{ tile.label }}</span>
+              <span class="mt-1 text-xl font-medium">{{ tile.value }}</span>
+            </div>
+          </div>
+        </template>
+        <ElEmpty v-else-if="!profileLoading" description="访客数据加载失败或不存在" />
+      </div>
+
+      <!-- 轨迹 / 会话 Tab -->
+      <ElTabs v-model="activeTab" class="detail-tabs">
+        <!-- Tab 1：跨天时间线 -->
+        <ElTabPane label="轨迹" name="timeline">
+          <div class="art-card px-5 py-4">
+            <div class="flex-c flex-wrap gap-2 mb-3">
+              <h3 class="m-0 text-sm font-semibold">访问轨迹</h3>
+              <span class="text-xs text-g-500">按日倒序分组，日内时间正序</span>
+              <div class="ml-auto flex-c gap-2">
+                <span class="text-xs text-g-600">时间范围</span>
+                <ElRadioGroup v-model="days" size="small" @change="loadTimeline()">
+                  <ElRadioButton :value="7">近 7 天</ElRadioButton>
+                  <ElRadioButton :value="30">近 30 天</ElRadioButton>
+                  <ElRadioButton :value="90">近 90 天</ElRadioButton>
+                </ElRadioGroup>
+              </div>
+            </div>
+
+            <ElAlert
+              v-if="timeline?.truncated"
+              type="warning"
+              show-icon
+              :closable="false"
+              class="mb-3"
+              title="事件较多，仅显示最近 1000 条"
+            />
+
+            <div v-loading="timelineLoading" class="timeline-body">
+              <template v-if="timeline?.days.length">
+                <div v-for="day in timeline.days" :key="day.date" class="day-group">
+                  <!-- 日期标题行 -->
+                  <div class="day-header">
+                    <span class="font-medium">{{ day.date }}</span>
+                    <span class="text-g-500">· {{ day.sessions.length }} 次会话</span>
+                  </div>
+
+                  <!-- 会话块 -->
+                  <div
+                    v-for="(session, si) in day.sessions"
+                    :key="session.session_id ?? `orphan-${si}`"
+                    class="session-block"
+                  >
+                    <div class="session-header">
+                      <span class="font-medium">
+                        {{ session.started_at ? formatTime(session.started_at) : '未知会话' }}
+                      </span>
+                      <span class="text-g-500">· {{ timelineSessionSource(session) }}</span>
+                      <span class="text-g-500"
+                        >· 停留 {{ formatStay(sessionStayMs(session)) }}</span
+                      >
+                    </div>
+                    <ElTimeline class="session-timeline">
+                      <ElTimelineItem
+                        v-for="(e, i) in session.events"
+                        :key="i"
+                        :icon="eventMeta(e.event_name).icon"
+                        :type="eventMeta(e.event_name).type"
+                        :timestamp="formatTime(e.time)"
+                      >
+                        <!-- page_view：浏览 + 停留副行 + title 小字 -->
+                        <template v-if="e.event_name === 'page_view'">
+                          <div>
+                            浏览
+                            <span class="mono-path">{{ e.path || '—' }}</span>
+                          </div>
+                          <div v-if="(e.active_ms ?? 0) > 0" class="stay-line">
+                            停留 {{ formatStay(e.active_ms) }}
+                          </div>
+                          <div v-if="e.title" class="title-line">{{ e.title }}</div>
+                        </template>
+                        <!-- page_stay 独立条目（无匹配 page_view 时） -->
+                        <template v-else-if="e.event_name === 'page_stay'">
+                          <div>
+                            停留
+                            <span class="mono-path">{{ e.path || '—' }}</span>
+                            （{{ formatStay(e.active_ms ?? 0) }}）
+                          </div>
+                          <div v-if="e.title" class="title-line">{{ e.title }}</div>
+                        </template>
+                        <!-- sdk_loaded / 其他自定义事件 -->
+                        <template v-else>
+                          <div>
+                            {{ eventMeta(e.event_name).label }}
+                            <span v-if="e.path" class="mono-path">{{ e.path }}</span>
+                          </div>
+                        </template>
+                      </ElTimelineItem>
+                    </ElTimeline>
+                  </div>
+                </div>
+              </template>
+              <ElEmpty
+                v-else-if="!timelineLoading"
+                description="该时间范围内暂无访问轨迹"
+                :image-size="80"
+              />
+            </div>
+          </div>
+        </ElTabPane>
+
+        <!-- Tab 2：会话列表 -->
+        <ElTabPane :label="`会话（${detail?.sessions.length ?? 0}）`" name="sessions">
+          <div class="art-card px-5 py-4">
+            <div class="flex-c gap-2 mb-3">
+              <h3 class="m-0 text-sm font-semibold">会话列表</h3>
+              <span class="text-xs text-g-500">点击行查看会话事件序列</span>
+            </div>
+            <ElTable
+              :data="detail?.sessions ?? []"
+              v-loading="profileLoading"
+              empty-text="暂无会话数据"
+              row-class-name="session-row"
+              @row-click="openSession"
+            >
+              <ElTableColumn label="会话 ID" min-width="130">
+                <template #default="{ row }">
+                  <code class="session-id-code">{{ row.session_id.slice(0, 8) }}</code>
+                </template>
+              </ElTableColumn>
+              <ElTableColumn label="开始时间" width="150">
+                <template #default="{ row }">{{ formatDateTime(row.started_at) }}</template>
+              </ElTableColumn>
+              <ElTableColumn label="结束时间" width="150">
+                <template #default="{ row }">{{ formatDateTime(row.ended_at) }}</template>
+              </ElTableColumn>
+              <ElTableColumn label="来源" min-width="120">
+                <template #default="{ row }">
+                  <span class="whitespace-nowrap">{{ sessionSourceText(row) }}</span>
+                </template>
+              </ElTableColumn>
+              <ElTableColumn label="落地页" min-width="200" show-overflow-tooltip>
+                <template #default="{ row }">
+                  <span class="mono-path">{{ row.landing_path || '—' }}</span>
+                </template>
+              </ElTableColumn>
+              <ElTableColumn prop="event_count" label="事件数" width="80" align="right" />
+              <ElTableColumn label="停留" width="130">
+                <template #default="{ row }">{{ formatStay(row.stay_ms) }}</template>
+              </ElTableColumn>
+            </ElTable>
+          </div>
+        </ElTabPane>
+      </ElTabs>
+    </template>
+
+    <!-- 会话详情抽屉 -->
+    <ElDrawer v-model="drawerVisible" title="会话详情" size="34%">
+      <div v-loading="sessionLoading" class="drawer-body">
+        <template v-if="sessionDetail">
+          <div class="drawer-summary">
+            <div class="flex-c flex-wrap gap-x-4 gap-y-1.5">
+              <span class="text-g-600 text-sm">会话 ID</span>
+              <code class="session-id-code">{{ sessionDetail.session_id }}</code>
+            </div>
+            <div class="summary-grid">
+              <div class="flex-c gap-2">
+                <span class="text-xs text-g-600">开始</span>
+                <span class="text-sm">{{ formatDateTime(sessionDetail.started_at) }}</span>
+              </div>
+              <div class="flex-c gap-2">
+                <span class="text-xs text-g-600">结束</span>
+                <span class="text-sm">{{ formatDateTime(sessionDetail.ended_at) }}</span>
+              </div>
+              <div class="flex-c gap-2">
+                <span class="text-xs text-g-600">来源</span>
+                <span class="text-sm">{{ sessionSourceText(sessionDetail) }}</span>
+              </div>
+              <div class="flex-c gap-2">
+                <span class="text-xs text-g-600">事件数</span>
+                <span class="text-sm">{{ sessionDetail.event_count }}</span>
+              </div>
+              <div class="flex-c gap-2">
+                <span class="text-xs text-g-600">停留</span>
+                <span class="text-sm">{{ formatStay(sessionDetail.stay_ms) }}</span>
+              </div>
+            </div>
+            <div class="flex-c gap-2">
+              <span class="shrink-0 text-xs text-g-600">落地页</span>
+              <span class="mono-path text-xs">{{ sessionDetail.landing_path || '—' }}</span>
+            </div>
+          </div>
+
+          <!-- 页面路径视图：事件序列 -->
+          <ElTimeline class="mt-5">
+            <ElTimelineItem
+              v-for="(e, i) in sessionDetail.events"
+              :key="i"
+              :icon="eventMeta(e.event_name).icon"
+              :type="eventMeta(e.event_name).type"
+              :timestamp="formatTime(e.time)"
+            >
+              <template v-if="e.event_name === 'page_view'">
+                <div>
+                  浏览
+                  <span class="mono-path">{{ e.path || '—' }}</span>
+                </div>
+                <div v-if="(e.active_ms ?? 0) > 0" class="stay-line">
+                  停留 {{ formatStay(e.active_ms) }}
+                </div>
+                <div v-if="e.title" class="title-line">{{ e.title }}</div>
+              </template>
+              <template v-else-if="e.event_name === 'page_stay'">
+                <div>
+                  停留
+                  <span class="mono-path">{{ e.path || '—' }}</span>
+                  （{{ formatStay(e.active_ms ?? 0) }}）
+                </div>
+                <div v-if="e.title" class="title-line">{{ e.title }}</div>
+              </template>
+              <template v-else>
+                <div>
+                  {{ eventMeta(e.event_name).label }}
+                  <span v-if="e.path" class="mono-path">{{ e.path }}</span>
+                </div>
+              </template>
+            </ElTimelineItem>
+          </ElTimeline>
+          <ElEmpty
+            v-if="!sessionDetail.events.length && !sessionLoading"
+            description="本会话暂无事件"
+            :image-size="80"
+          />
+        </template>
+        <ElEmpty
+          v-else-if="!sessionLoading"
+          description="会话数据加载失败或不存在"
+          :image-size="80"
+        />
+      </div>
+    </ElDrawer>
   </div>
 </template>
 
 <script setup lang="ts">
-  // 占位页：Task 20 填充真实内容（档案 + 会话列表 + 跨天时间线；query 参数 visitor_id）
+  import type { Component } from 'vue'
+  import { Back as BackIcon, Cpu, InfoFilled, Timer, View } from '@element-plus/icons-vue'
+  import {
+    getSession,
+    getTimeline,
+    getVisitor,
+    type SessionSummary,
+    type TimelineEvent,
+    type TimelineResp,
+    type TimelineSession,
+    type VisitorDetail
+  } from '@/api/tracker/visitors'
+  import { countryFlag, formatDateTime, formatStay } from '@/utils/tracker'
+
+  defineOptions({ name: 'TrackerVisitorDetail' })
+
+  const route = useRoute()
+  const router = useRouter()
+
+  /** 当前 query 中的访客 ID（keepAlive 下 setup 只跑一次，必须取响应式 route） */
+  const routeVisitorId = computed(() => {
+    const v = route.query.visitor_id
+    return typeof v === 'string' ? v : ''
+  })
+
+  /** 已加载的访客 ID：三入口（mounted/activated/query watch）触发去重的令牌 */
+  let loadedVid = ''
+
+  // 复制完整 visitor_id（clipboard API 不可用时走 execCommand 兜底，与列表页同款）
+  const { copy } = useClipboard({ legacy: true })
+  const copyVisitorId = async () => {
+    if (!detail.value) return
+    try {
+      await copy(detail.value.visitor_id)
+      ElMessage.success('访客 ID 已复制到剪贴板')
+    } catch {
+      ElMessage.error('复制失败，请手动选择复制')
+    }
+  }
+
+  const goBack = () => {
+    if (window.history.length > 1) router.back()
+    else router.push('/tracker/visitor')
+  }
+
+  // ---------- 档案 ----------
+  const detail = ref<VisitorDetail | null>(null)
+  const profileLoading = ref(false)
+  let profileSeq = 0
+
+  const loadDetail = async (vid: string) => {
+    const seq = ++profileSeq
+    profileLoading.value = true
+    try {
+      const resp = await getVisitor(vid)
+      if (seq === profileSeq) detail.value = resp
+    } catch {
+      // 失败已由请求层统一 ElMessage 提示；置空走空态
+      if (seq === profileSeq) detail.value = null
+    } finally {
+      if (seq === profileSeq) profileLoading.value = false
+    }
+  }
+
+  /** 首触来源：referrer_domain → utm_source → 直接访问（与后端 _source 同口径） */
+  const firstSourceText = computed(() => {
+    const d = detail.value
+    if (!d) return '—'
+    return d.first_referrer_domain || d.first_utm?.utm_source || '直接访问'
+  })
+
+  /** 统计数字 4 项（?? 只兜 nullish，0 正常显示） */
+  const statTiles = computed(() => [
+    { label: '访问次数', value: detail.value ? String(detail.value.visit_count) : '—' },
+    { label: '活跃天数', value: detail.value ? String(detail.value.active_days) : '—' },
+    { label: '会话数', value: detail.value ? String(detail.value.session_count) : '—' },
+    { label: '总停留', value: detail.value ? formatStay(detail.value.total_stay_ms) : '—' }
+  ])
+
+  // ---------- 跨天时间线 ----------
+  const activeTab = ref<'timeline' | 'sessions'>('timeline')
+  const days = ref(30)
+  const timeline = ref<TimelineResp | null>(null)
+  const timelineLoading = ref(false)
+  let timelineSeq = 0
+
+  const loadTimeline = async () => {
+    const vid = loadedVid
+    if (!vid) return
+    // 快速切 7/30/90 时丢弃过期响应（reqSeq 守卫，防旧数据覆盖/旧 finally 提前清 loading）
+    const seq = ++timelineSeq
+    timelineLoading.value = true
+    try {
+      const resp = await getTimeline(vid, days.value)
+      if (seq === timelineSeq) timeline.value = resp
+    } catch {
+      if (seq === timelineSeq) timeline.value = null
+    } finally {
+      if (seq === timelineSeq) timelineLoading.value = false
+    }
+  }
+
+  /** ISO（后端上海时间）→ HH:mm，时间线/会话头用短时间 */
+  const formatTime = (iso?: string | null): string => (iso ? iso.slice(11, 16) : '—')
+
+  /** 时间线会话组停留：timeline 无 stay_ms，用组内 events 的 active_ms 求和（null 跳过） */
+  const sessionStayMs = (session: TimelineSession): number =>
+    session.events.reduce((sum, e) => sum + (e.active_ms ?? 0), 0)
+
+  /** 时间线会话组来源：session_id 回查详情会话摘要的 referrer/utm；孤立事件组无来源信息 */
+  const timelineSessionSource = (session: TimelineSession): string => {
+    if (!session.session_id) return '—'
+    const s = detail.value?.sessions.find((x) => x.session_id === session.session_id)
+    return s ? sessionSourceText(s) : '直接访问'
+  }
+
+  /** 会话来源：referrer_domain → utm_source → 直接访问 */
+  const sessionSourceText = (s: SessionSummary): string =>
+    s.referrer_domain || s.utm?.utm_source || '直接访问'
+
+  /** 事件行图标/节点色：page_view=浏览、page_stay=计时、sdk_loaded=加载、其余兜底 */
+  const EVENT_META: Record<
+    string,
+    { icon: Component; type: 'primary' | 'warning' | 'info'; label: string }
+  > = {
+    page_view: { icon: View, type: 'primary', label: '浏览' },
+    page_stay: { icon: Timer, type: 'warning', label: '停留' },
+    sdk_loaded: { icon: Cpu, type: 'info', label: 'SDK 加载' }
+  }
+  const eventMeta = (name: string) =>
+    EVENT_META[name] ?? { icon: InfoFilled, type: 'info', label: name }
+
+  // ---------- 会话详情抽屉 ----------
+  const drawerVisible = ref(false)
+  const sessionLoading = ref(false)
+  const sessionDetail = ref<(SessionSummary & { events: TimelineEvent[] }) | null>(null)
+  let sessionSeq = 0
+
+  const openSession = async (row: SessionSummary) => {
+    drawerVisible.value = true
+    sessionDetail.value = null
+    const seq = ++sessionSeq
+    sessionLoading.value = true
+    try {
+      const resp = await getSession(loadedVid, row.session_id)
+      if (seq === sessionSeq) sessionDetail.value = resp
+    } catch {
+      if (seq === sessionSeq) sessionDetail.value = null
+    } finally {
+      if (seq === sessionSeq) sessionLoading.value = false
+    }
+  }
+
+  // ---------- keepAlive 访客切换 ----------
+  /**
+   * 路由 keepAlive 且 path 固定为 /tracker/visitor/detail：列表点不同访客进来复用同一实例。
+   * 三入口（mounted / activated / query watch）统一走 ensureLoad，靠 loadedVid 去重，
+   * 保证"切访客必刷新、重复触发不重复请求"。
+   */
+  const ensureLoad = () => {
+    const vid = routeVisitorId.value
+    if (!vid || vid === loadedVid) return
+    loadedVid = vid
+    // 换访客：清抽屉态，时间线 days 保持用户所选范围重新拉取
+    drawerVisible.value = false
+    sessionDetail.value = null
+    timeline.value = null
+    loadDetail(vid)
+    loadTimeline()
+  }
+
+  onMounted(ensureLoad)
+  onActivated(ensureLoad)
+  watch(routeVisitorId, (vid: string) => {
+    // query 清空（离开详情页/手动去参）时重置令牌：再次进入同一访客也重新拉取，
+    // 避免空参兜底页停留后点回同访客不刷新
+    if (!vid) loadedVid = ''
+    ensureLoad()
+  })
 </script>
+
+<style lang="scss" scoped>
+  .visitor-id-code {
+    padding: 2px 8px;
+    border-radius: 4px;
+    font-size: 12px;
+    word-break: break-all;
+    background: var(--el-fill-color-light);
+    color: var(--el-text-color-regular);
+  }
+
+  .online-dot {
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+    flex-shrink: 0;
+    background: var(--el-text-color-disabled);
+
+    &.is-online {
+      background: var(--el-color-success);
+    }
+  }
+
+  .mono-path {
+    font-family: var(--el-font-family-mono, monospace);
+    font-size: 12px;
+  }
+
+  .landing-path {
+    display: inline-block;
+    max-width: 22rem;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    vertical-align: bottom;
+  }
+
+  .utm-tag {
+    font-family: var(--el-font-family-mono, monospace);
+  }
+
+  .stat-tile {
+    display: flex;
+    flex-direction: column;
+    padding: 12px 16px;
+    border-radius: 6px;
+    background: var(--el-fill-color-lighter);
+  }
+
+  // 时间线
+  .day-header {
+    padding: 8px 12px;
+    margin-bottom: 8px;
+    font-size: 13px;
+    border-left: 3px solid var(--el-color-primary);
+    background: var(--el-fill-color-lighter);
+  }
+
+  .session-block {
+    padding: 10px 12px 4px;
+    margin-bottom: 12px;
+    border: 1px solid var(--el-border-color-lighter);
+    border-radius: 6px;
+  }
+
+  .session-header {
+    margin-bottom: 8px;
+    font-size: 13px;
+    display: flex;
+    flex-wrap: wrap;
+    gap: 6px;
+  }
+
+  .session-timeline {
+    padding-left: 4px;
+  }
+
+  .stay-line {
+    margin-top: 2px;
+    font-size: 12px;
+    color: var(--el-color-warning);
+  }
+
+  .title-line {
+    margin-top: 2px;
+    font-size: 12px;
+    color: var(--el-text-color-secondary);
+  }
+
+  :deep(.session-row) {
+    cursor: pointer;
+  }
+
+  // 抽屉
+  .drawer-summary {
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+    padding: 12px 14px;
+    border-radius: 6px;
+    background: var(--el-fill-color-lighter);
+  }
+
+  .summary-grid {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 8px 12px;
+  }
+</style>