diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index 7482e018..8afec854 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -1943,6 +1943,9 @@ export default {
         '6h': 'Last 6 hours',
         '24h': 'Last 24 hours'
       },
+      fullscreen: {
+        enter: 'Enter Fullscreen'
+      },
       diagnosis: {
         title: 'Smart Diagnosis',
         footer: 'Automated diagnostic suggestions based on current metrics',
diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index 56827a76..c3659c9a 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -2088,6 +2088,9 @@ export default {
         '6h': '近6小时',
         '24h': '近24小时'
       },
+      fullscreen: {
+        enter: '进入全屏'
+      },
       diagnosis: {
         title: '智能诊断',
         footer: '基于当前指标的自动诊断建议',
diff --git a/frontend/src/style.css b/frontend/src/style.css
index bd86ab6d..b3b492b9 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -19,7 +19,22 @@
     @apply min-h-screen;
   }
 
-  /* 自定义滚动条 */
+  /* 自定义滚动条 - 默认隐藏，悬停或滚动时显示 */
+  * {
+    scrollbar-width: thin;
+    scrollbar-color: transparent transparent;
+  }
+
+  *:hover,
+  *:focus-within {
+    scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
+  }
+
+  .dark *:hover,
+  .dark *:focus-within {
+    scrollbar-color: rgba(75, 85, 99, 0.5) transparent;
+  }
+
   ::-webkit-scrollbar {
     @apply h-2 w-2;
   }
@@ -29,10 +44,15 @@
   }
 
   ::-webkit-scrollbar-thumb {
-    @apply rounded-full bg-gray-300 dark:bg-dark-600;
+    @apply rounded-full bg-transparent;
+    transition: background-color 0.2s ease;
   }
 
-  ::-webkit-scrollbar-thumb:hover {
+  *:hover::-webkit-scrollbar-thumb {
+    @apply bg-gray-300/50 dark:bg-dark-600/50;
+  }
+
+  *:hover::-webkit-scrollbar-thumb:hover {
     @apply bg-gray-400 dark:bg-dark-500;
   }
 
diff --git a/frontend/src/views/admin/ops/OpsDashboard.vue b/frontend/src/views/admin/ops/OpsDashboard.vue
index d6452e0b..be445a32 100644
--- a/frontend/src/views/admin/ops/OpsDashboard.vue
+++ b/frontend/src/views/admin/ops/OpsDashboard.vue
@@ -1,6 +1,6 @@
 <template>
-  <AppLayout>
-    <div class="space-y-6 pb-12">
+  <component :is="isFullscreen ? 'div' : AppLayout" :class="isFullscreen ? 'flex min-h-screen flex-col justify-center bg-gray-50 dark:bg-dark-950' : ''">
+    <div :class="[isFullscreen ? 'p-4 md:p-6' : '', 'space-y-6 pb-12']">
       <div
         v-if="errorMessage"
         class="rounded-2xl bg-red-50 p-4 text-sm text-red-600 dark:bg-red-900/20 dark:text-red-400"
@@ -22,6 +22,7 @@
         :thresholds="metricThresholds"
         :auto-refresh-enabled="autoRefreshEnabled"
         :auto-refresh-countdown="autoRefreshCountdown"
+        :fullscreen="isFullscreen"
         @update:time-range="onTimeRangeChange"
         @update:platform="onPlatformChange"
         @update:group="onGroupChange"
@@ -31,6 +32,8 @@
         @open-error-details="openErrorDetails"
         @open-settings="showSettingsDialog = true"
         @open-alert-rules="showAlertRulesCard = true"
+        @enter-fullscreen="enterFullscreen"
+        @exit-fullscreen="exitFullscreen"
       />
 
       <!-- Row: Concurrency + Throughput -->
@@ -45,6 +48,7 @@
             :top-groups="throughputTrend?.top_groups ?? []"
             :loading="loadingTrend"
             :time-range="timeRange"
+            :fullscreen="isFullscreen"
             @select-platform="handleThroughputSelectPlatform"
             @select-group="handleThroughputSelectGroup"
             @open-details="handleOpenRequestDetails"
@@ -72,36 +76,37 @@
       <!-- Alert Events -->
       <OpsAlertEventsCard v-if="opsEnabled && !(loading && !hasLoadedOnce)" />
 
-      <!-- Settings Dialog -->
-      <OpsSettingsDialog :show="showSettingsDialog" @close="showSettingsDialog = false" @saved="onSettingsSaved" />
+      <!-- Settings Dialog (hidden in fullscreen mode) -->
+      <template v-if="!isFullscreen">
+        <OpsSettingsDialog :show="showSettingsDialog" @close="showSettingsDialog = false" @saved="onSettingsSaved" />
 
-      <!-- Alert Rules Dialog -->
-      <BaseDialog :show="showAlertRulesCard" :title="t('admin.ops.alertRules.title')" width="extra-wide" @close="showAlertRulesCard = false">
-        <OpsAlertRulesCard />
-      </BaseDialog>
+        <BaseDialog :show="showAlertRulesCard" :title="t('admin.ops.alertRules.title')" width="extra-wide" @close="showAlertRulesCard = false">
+          <OpsAlertRulesCard />
+        </BaseDialog>
 
-      <OpsErrorDetailsModal
-        :show="showErrorDetails"
-        :time-range="timeRange"
-        :platform="platform"
-        :group-id="groupId"
-        :error-type="errorDetailsType"
-        @update:show="showErrorDetails = $event"
-        @openErrorDetail="openError"
-      />
+        <OpsErrorDetailsModal
+          :show="showErrorDetails"
+          :time-range="timeRange"
+          :platform="platform"
+          :group-id="groupId"
+          :error-type="errorDetailsType"
+          @update:show="showErrorDetails = $event"
+          @openErrorDetail="openError"
+        />
 
-      <OpsErrorDetailModal v-model:show="showErrorModal" :error-id="selectedErrorId" />
+        <OpsErrorDetailModal v-model:show="showErrorModal" :error-id="selectedErrorId" />
 
-      <OpsRequestDetailsModal
-        v-model="showRequestDetails"
-        :time-range="timeRange"
-        :preset="requestDetailsPreset"
-        :platform="platform"
-        :group-id="groupId"
-        @openErrorDetail="openError"
-      />
+        <OpsRequestDetailsModal
+          v-model="showRequestDetails"
+          :time-range="timeRange"
+          :preset="requestDetailsPreset"
+          :platform="platform"
+          :group-id="groupId"
+          @openErrorDetail="openError"
+        />
+      </template>
     </div>
-  </AppLayout>
+  </component>
 </template>
 
 <script setup lang="ts">
@@ -163,12 +168,36 @@ const QUERY_KEYS = {
   timeRange: 'tr',
   platform: 'platform',
   groupId: 'group_id',
-  queryMode: 'mode'
+  queryMode: 'mode',
+  fullscreen: 'fullscreen'
 } as const
 
 const isApplyingRouteQuery = ref(false)
 const isSyncingRouteQuery = ref(false)
 
+// Fullscreen mode
+const isFullscreen = computed(() => {
+  const val = route.query[QUERY_KEYS.fullscreen]
+  return val === '1' || val === 'true'
+})
+
+function exitFullscreen() {
+  const nextQuery = { ...route.query }
+  delete nextQuery[QUERY_KEYS.fullscreen]
+  router.replace({ query: nextQuery })
+}
+
+function enterFullscreen() {
+  const nextQuery = { ...route.query, [QUERY_KEYS.fullscreen]: '1' }
+  router.replace({ query: nextQuery })
+}
+
+function handleKeydown(e: KeyboardEvent) {
+  if (e.key === 'Escape' && isFullscreen.value) {
+    exitFullscreen()
+  }
+}
+
 let dashboardFetchController: AbortController | null = null
 let dashboardFetchSeq = 0
 
@@ -603,6 +632,9 @@ watch(
 )
 
 onMounted(async () => {
+  // Fullscreen mode: listen for ESC key
+  window.addEventListener('keydown', handleKeydown)
+
   await adminSettingsStore.fetch()
   if (!adminSettingsStore.opsMonitoringEnabled) {
     await router.replace('/admin/settings')
@@ -637,6 +669,7 @@ async function loadThresholds() {
 }
 
 onUnmounted(() => {
+  window.removeEventListener('keydown', handleKeydown)
   abortDashboardFetch()
   pauseAutoRefresh()
   pauseCountdown()
diff --git a/frontend/src/views/admin/ops/components/OpsDashboardHeader.vue b/frontend/src/views/admin/ops/components/OpsDashboardHeader.vue
index 1ac8627f..96dc9c8a 100644
--- a/frontend/src/views/admin/ops/components/OpsDashboardHeader.vue
+++ b/frontend/src/views/admin/ops/components/OpsDashboardHeader.vue
@@ -25,6 +25,7 @@ interface Props {
   thresholds?: OpsMetricThresholds | null // 阈值配置
   autoRefreshEnabled?: boolean
   autoRefreshCountdown?: number
+  fullscreen?: boolean
 }
 
 interface Emits {
@@ -37,6 +38,8 @@ interface Emits {
   (e: 'openErrorDetails', kind: 'request' | 'upstream'): void
   (e: 'openSettings'): void
   (e: 'openAlertRules'): void
+  (e: 'enterFullscreen'): void
+  (e: 'exitFullscreen'): void
 }
 
 const props = defineProps<Props>()
@@ -391,15 +394,15 @@ const healthScoreClass = computed(() => {
   return 'text-red-500'
 })
 
-const circleSize = 100
-const strokeWidth = 8
-const radius = (circleSize - strokeWidth) / 2
-const circumference = 2 * Math.PI * radius
+const circleSize = computed(() => props.fullscreen ? 140 : 100)
+const strokeWidth = computed(() => props.fullscreen ? 10 : 8)
+const radius = computed(() => (circleSize.value - strokeWidth.value) / 2)
+const circumference = computed(() => 2 * Math.PI * radius.value)
 const dashOffset = computed(() => {
   if (isSystemIdle.value) return 0
   if (healthScoreValue.value == null) return 0
   const score = Math.max(0, Math.min(100, healthScoreValue.value))
-  return circumference - (score / 100) * circumference
+  return circumference.value - (score / 100) * circumference.value
 })
 
 interface DiagnosisItem {
@@ -814,7 +817,7 @@ function handleToolbarRefresh() {
 </script>
 
 <template>
-  <div class="flex flex-col gap-4 rounded-3xl bg-white p-6 shadow-sm ring-1 ring-gray-900/5 dark:bg-dark-800 dark:ring-dark-700">
+  <div :class="['flex flex-col gap-4 rounded-3xl bg-white shadow-sm ring-1 ring-gray-900/5 dark:bg-dark-800 dark:ring-dark-700', props.fullscreen ? 'p-8' : 'p-6']">
     <!-- Top Toolbar -->
     <div class="flex flex-wrap items-center justify-between gap-4 border-b border-gray-100 pb-4 dark:border-dark-700">
       <div>
@@ -830,7 +833,7 @@ function handleToolbarRefresh() {
           {{ t('admin.ops.title') }}
         </h1>
 
-        <div class="mt-1 flex items-center gap-3 text-xs text-gray-500 dark:text-gray-400">
+        <div v-if="!props.fullscreen" class="mt-1 flex items-center gap-3 text-xs text-gray-500 dark:text-gray-400">
           <span class="flex items-center gap-1.5" :title="props.loading ? t('admin.ops.loadingText') : t('admin.ops.ready')">
             <span class="relative flex h-2 w-2">
               <span class="relative inline-flex h-2 w-2 rounded-full" :class="props.loading ? 'bg-gray-400' : 'bg-green-500'"></span>
@@ -863,28 +866,30 @@ function handleToolbarRefresh() {
       </div>
 
       <div class="flex flex-wrap items-center gap-3">
-        <Select
-          :model-value="platform"
-          :options="platformOptions"
-          class="w-full sm:w-[140px]"
-          @update:model-value="handlePlatformChange"
-        />
+        <template v-if="!props.fullscreen">
+          <Select
+            :model-value="platform"
+            :options="platformOptions"
+            class="w-full sm:w-[140px]"
+            @update:model-value="handlePlatformChange"
+          />
 
-        <Select
-          :model-value="groupId"
-          :options="groupOptions"
-          class="w-full sm:w-[160px]"
-          @update:model-value="handleGroupChange"
-        />
+          <Select
+            :model-value="groupId"
+            :options="groupOptions"
+            class="w-full sm:w-[160px]"
+            @update:model-value="handleGroupChange"
+          />
 
-        <div class="mx-1 hidden h-4 w-[1px] bg-gray-200 dark:bg-dark-700 sm:block"></div>
+          <div class="mx-1 hidden h-4 w-[1px] bg-gray-200 dark:bg-dark-700 sm:block"></div>
 
-        <Select
-          :model-value="timeRange"
-          :options="timeRangeOptions"
-          class="relative w-full sm:w-[150px]"
-          @update:model-value="handleTimeRangeChange"
-        />
+          <Select
+            :model-value="timeRange"
+            :options="timeRangeOptions"
+            class="relative w-full sm:w-[150px]"
+            @update:model-value="handleTimeRangeChange"
+          />
+        </template>
 
         <Select
           v-if="false"
@@ -895,6 +900,7 @@ function handleToolbarRefresh() {
         />
 
         <button
+          v-if="!props.fullscreen"
           type="button"
           class="flex h-8 w-8 items-center justify-center rounded-lg bg-gray-100 text-gray-500 transition-colors hover:bg-gray-200 dark:bg-dark-700 dark:text-gray-400 dark:hover:bg-dark-600"
           :disabled="loading"
@@ -911,9 +917,11 @@ function handleToolbarRefresh() {
           </svg>
         </button>
 
-        <div class="mx-1 hidden h-4 w-[1px] bg-gray-200 dark:bg-dark-700 sm:block"></div>
+        <div v-if="!props.fullscreen" class="mx-1 hidden h-4 w-[1px] bg-gray-200 dark:bg-dark-700 sm:block"></div>
 
+        <!-- Alert Rules Button (hidden in fullscreen) -->
         <button
+          v-if="!props.fullscreen"
           type="button"
           class="flex h-8 items-center gap-1.5 rounded-lg bg-blue-100 px-3 text-xs font-bold text-blue-700 transition-colors hover:bg-blue-200 dark:bg-blue-900/30 dark:text-blue-400 dark:hover:bg-blue-900/50"
           :title="t('admin.ops.alertRules.title')"
@@ -925,7 +933,9 @@ function handleToolbarRefresh() {
           <span class="hidden sm:inline">{{ t('admin.ops.alertRules.manage') }}</span>
         </button>
 
+        <!-- Settings Button (hidden in fullscreen) -->
         <button
+          v-if="!props.fullscreen"
           type="button"
           class="flex h-8 items-center gap-1.5 rounded-lg bg-gray-100 px-3 text-xs font-bold text-gray-700 transition-colors hover:bg-gray-200 dark:bg-dark-700 dark:text-gray-300 dark:hover:bg-dark-600"
           :title="t('admin.ops.settings.title')"
@@ -937,13 +947,26 @@ function handleToolbarRefresh() {
           </svg>
           <span class="hidden sm:inline">{{ t('common.settings') }}</span>
         </button>
+
+        <!-- Enter Fullscreen Button (hidden in fullscreen mode) -->
+        <button
+          v-if="!props.fullscreen"
+          type="button"
+          class="flex h-8 w-8 items-center justify-center rounded-lg bg-gray-100 text-gray-700 transition-colors hover:bg-gray-200 dark:bg-dark-700 dark:text-gray-300 dark:hover:bg-dark-600"
+          :title="t('admin.ops.fullscreen.enter')"
+          @click="emit('enterFullscreen')"
+        >
+          <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 8V4m0 0h4M4 4l5 5m11-1V4m0 0h-4m4 0l-5 5M4 16v4m0 0h4m-4 0l5-5m11 5l-5-5m5 5v-4m0 4h-4" />
+          </svg>
+        </button>
       </div>
     </div>
 
     <div v-if="overview" class="grid grid-cols-1 gap-6 lg:grid-cols-12">
       <!-- Left: Health + Realtime -->
-      <div class="rounded-2xl bg-gray-50 p-4 dark:bg-dark-900 lg:col-span-5">
-        <div class="grid grid-cols-1 gap-6 md:grid-cols-[200px_1fr] md:items-center">
+      <div :class="['rounded-2xl bg-gray-50 dark:bg-dark-900 lg:col-span-5', props.fullscreen ? 'p-6' : 'p-4']">
+        <div class="grid h-full grid-cols-1 gap-6 md:grid-cols-[200px_1fr] md:items-center">
           <!-- 1) Health Score -->
           <div
             class="group relative flex cursor-pointer flex-col items-center justify-center rounded-xl py-2 transition-all hover:bg-white/60 dark:hover:bg-dark-800/60 md:border-r md:border-gray-200 md:pr-6 dark:md:border-dark-700"
@@ -1026,14 +1049,14 @@ function handleToolbarRefresh() {
               </svg>
 
               <div class="absolute flex flex-col items-center">
-                <span class="text-3xl font-black" :class="healthScoreClass">
+                <span :class="[props.fullscreen ? 'text-5xl' : 'text-3xl', 'font-black', healthScoreClass]">
                   {{ isSystemIdle ? t('admin.ops.idleStatus') : (overview.health_score ?? '--') }}
                 </span>
-                <span class="text-[10px] font-bold uppercase tracking-wider text-gray-400">{{ t('admin.ops.health') }}</span>
+                <span :class="[props.fullscreen ? 'text-xs' : 'text-[10px]', 'font-bold uppercase tracking-wider text-gray-400']">{{ t('admin.ops.health') }}</span>
               </div>
             </div>
 
-            <div class="mt-4 text-center">
+            <div class="mt-4 text-center" v-if="!props.fullscreen">
               <div class="flex items-center justify-center gap-1 text-xs font-medium text-gray-500">
                 {{ t('admin.ops.healthCondition') }}
                 <HelpTooltip :content="t('admin.ops.healthHelp')" />
@@ -1051,7 +1074,7 @@ function handleToolbarRefresh() {
           </div>
 
           <!-- 2) Realtime Traffic -->
-          <div class="flex flex-col justify-center py-2">
+          <div class="flex h-full flex-col justify-center py-2">
             <div class="mb-3 flex flex-wrap items-center justify-between gap-2">
               <div class="flex items-center gap-2">
                 <div class="relative flex h-3 w-3 shrink-0">
@@ -1059,7 +1082,7 @@ function handleToolbarRefresh() {
                   <span class="relative inline-flex h-3 w-3 rounded-full bg-blue-500"></span>
                 </div>
                 <h3 class="text-xs font-bold uppercase tracking-wider text-gray-400">{{ t('admin.ops.realtime.title') }}</h3>
-                <HelpTooltip :content="t('admin.ops.tooltips.qps')" />
+                <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.qps')" />
               </div>
 
               <!-- Time Window Selector -->
@@ -1079,18 +1102,18 @@ function handleToolbarRefresh() {
               </div>
             </div>
 
-            <div class="space-y-3">
+            <div :class="props.fullscreen ? 'space-y-4' : 'space-y-3'">
               <!-- Row 1: Current -->
               <div>
-                <div class="text-[10px] font-bold uppercase text-gray-400">{{ t('admin.ops.current') }}</div>
+                <div :class="[props.fullscreen ? 'text-xs' : 'text-[10px]', 'font-bold uppercase text-gray-400']">{{ t('admin.ops.current') }}</div>
                 <div class="mt-1 flex flex-wrap items-baseline gap-x-4 gap-y-2">
                   <div class="flex items-baseline gap-1.5">
-                    <span class="text-xl font-black text-gray-900 dark:text-white sm:text-2xl">{{ displayRealTimeQps.toFixed(1) }}</span>
-                    <span class="text-xs font-bold text-gray-500">QPS</span>
+                    <span :class="[props.fullscreen ? 'text-4xl' : 'text-xl sm:text-2xl', 'font-black text-gray-900 dark:text-white']">{{ displayRealTimeQps.toFixed(1) }}</span>
+                    <span :class="[props.fullscreen ? 'text-sm' : 'text-xs', 'font-bold text-gray-500']">QPS</span>
                   </div>
                   <div class="flex items-baseline gap-1.5">
-                    <span class="text-xl font-black text-gray-900 dark:text-white sm:text-2xl">{{ displayRealTimeTps.toFixed(1) }}</span>
-                    <span class="text-xs font-bold text-gray-500">TPS</span>
+                    <span :class="[props.fullscreen ? 'text-4xl' : 'text-xl sm:text-2xl', 'font-black text-gray-900 dark:text-white']">{{ displayRealTimeTps.toFixed(1) }}</span>
+                    <span :class="[props.fullscreen ? 'text-sm' : 'text-xs', 'font-bold text-gray-500']">TPS</span>
                   </div>
                 </div>
               </div>
@@ -1099,8 +1122,8 @@ function handleToolbarRefresh() {
               <div class="grid grid-cols-2 gap-3">
                 <!-- Peak -->
                 <div>
-                  <div class="text-[10px] font-bold uppercase text-gray-400">{{ t('admin.ops.peak') }}</div>
-                  <div class="mt-1 space-y-0.5 text-sm font-medium text-gray-600 dark:text-gray-400">
+                  <div :class="[props.fullscreen ? 'text-xs' : 'text-[10px]', 'font-bold uppercase text-gray-400']">{{ t('admin.ops.peak') }}</div>
+                  <div :class="[props.fullscreen ? 'text-base' : 'text-sm', 'mt-1 space-y-0.5 font-medium text-gray-600 dark:text-gray-400']">
                     <div class="flex items-baseline gap-1.5">
                       <span class="font-black text-gray-900 dark:text-white">{{ realtimeQpsPeakLabel }}</span>
                       <span class="text-xs">QPS</span>
@@ -1114,8 +1137,8 @@ function handleToolbarRefresh() {
 
                 <!-- Average -->
                 <div>
-                  <div class="text-[10px] font-bold uppercase text-gray-400">{{ t('admin.ops.average') }}</div>
-                  <div class="mt-1 space-y-0.5 text-sm font-medium text-gray-600 dark:text-gray-400">
+                  <div :class="[props.fullscreen ? 'text-xs' : 'text-[10px]', 'font-bold uppercase text-gray-400']">{{ t('admin.ops.average') }}</div>
+                  <div :class="[props.fullscreen ? 'text-base' : 'text-sm', 'mt-1 space-y-0.5 font-medium text-gray-600 dark:text-gray-400']">
                     <div class="flex items-baseline gap-1.5">
                       <span class="font-black text-gray-900 dark:text-white">{{ realtimeQpsAvgLabel }}</span>
                       <span class="text-xs">QPS</span>
@@ -1156,15 +1179,16 @@ function handleToolbarRefresh() {
       </div>
 
       <!-- Right: 6 cards (3 cols x 2 rows) -->
-      <div class="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:col-span-7 lg:grid-cols-3">
+      <div class="grid h-full grid-cols-1 content-center gap-4 sm:grid-cols-2 lg:col-span-7 lg:grid-cols-3">
         <!-- Card 1: Requests -->
         <div class="rounded-2xl bg-gray-50 p-4 dark:bg-dark-900">
           <div class="flex items-center justify-between">
             <div class="flex items-center gap-1">
               <span class="text-[10px] font-bold uppercase text-gray-400">{{ t('admin.ops.requestsTitle') }}</span>
-              <HelpTooltip :content="t('admin.ops.tooltips.totalRequests')" />
+              <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.totalRequests')" />
             </div>
             <button
+              v-if="!props.fullscreen"
               class="text-[10px] font-bold text-blue-500 hover:underline"
               type="button"
               @click="openDetails({ title: t('admin.ops.requestDetails.title') })"
@@ -1197,10 +1221,11 @@ function handleToolbarRefresh() {
           <div class="flex items-center justify-between">
             <div class="flex items-center gap-2">
               <span class="text-[10px] font-bold uppercase text-gray-400">SLA</span>
-              <HelpTooltip :content="t('admin.ops.tooltips.sla')" />
+              <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.sla')" />
               <span class="h-1.5 w-1.5 rounded-full" :class="isSLABelowThreshold(slaPercent) ? 'bg-red-500' : (slaPercent ?? 0) >= 99.5 ? 'bg-green-500' : 'bg-yellow-500'"></span>
             </div>
             <button
+              v-if="!props.fullscreen"
               class="text-[10px] font-bold text-blue-500 hover:underline"
               type="button"
               @click="openDetails({ title: t('admin.ops.requestDetails.title'), kind: 'error' })"
@@ -1227,9 +1252,10 @@ function handleToolbarRefresh() {
           <div class="flex items-center justify-between">
             <div class="flex items-center gap-1">
               <span class="text-[10px] font-bold uppercase text-gray-400">{{ t('admin.ops.latencyDuration') }}</span>
-              <HelpTooltip :content="t('admin.ops.tooltips.latency')" />
+              <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.latency')" />
             </div>
             <button
+              v-if="!props.fullscreen"
               class="text-[10px] font-bold text-blue-500 hover:underline"
               type="button"
               @click="openDetails({ title: t('admin.ops.latencyDuration'), sort: 'duration_desc', min_duration_ms: Math.max(Number(durationP99Ms ?? 0), 0) })"
@@ -1277,9 +1303,10 @@ function handleToolbarRefresh() {
           <div class="flex items-center justify-between">
             <div class="flex items-center gap-1">
               <span class="text-[10px] font-bold uppercase text-gray-400">TTFT</span>
-              <HelpTooltip :content="t('admin.ops.tooltips.ttft')" />
+              <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.ttft')" />
             </div>
             <button
+              v-if="!props.fullscreen"
               class="text-[10px] font-bold text-blue-500 hover:underline"
               type="button"
               @click="openDetails({ title: 'TTFT', sort: 'duration_desc' })"
@@ -1327,9 +1354,9 @@ function handleToolbarRefresh() {
           <div class="flex items-center justify-between">
             <div class="flex items-center gap-1">
               <span class="text-[10px] font-bold uppercase text-gray-400">{{ t('admin.ops.requestErrors') }}</span>
-              <HelpTooltip :content="t('admin.ops.tooltips.errors')" />
+              <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.errors')" />
             </div>
-            <button class="text-[10px] font-bold text-blue-500 hover:underline" type="button" @click="openErrorDetails('request')">
+            <button v-if="!props.fullscreen" class="text-[10px] font-bold text-blue-500 hover:underline" type="button" @click="openErrorDetails('request')">
               {{ t('admin.ops.requestDetails.details') }}
             </button>
           </div>
@@ -1353,9 +1380,9 @@ function handleToolbarRefresh() {
           <div class="flex items-center justify-between">
             <div class="flex items-center gap-1">
               <span class="text-[10px] font-bold uppercase text-gray-400">{{ t('admin.ops.upstreamErrors') }}</span>
-              <HelpTooltip :content="t('admin.ops.tooltips.upstreamErrors')" />
+              <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.upstreamErrors')" />
             </div>
-            <button class="text-[10px] font-bold text-blue-500 hover:underline" type="button" @click="openErrorDetails('upstream')">
+            <button v-if="!props.fullscreen" class="text-[10px] font-bold text-blue-500 hover:underline" type="button" @click="openErrorDetails('upstream')">
               {{ t('admin.ops.requestDetails.details') }}
             </button>
           </div>
@@ -1383,12 +1410,12 @@ function handleToolbarRefresh() {
         <div class="rounded-xl bg-gray-50 p-3 dark:bg-dark-900">
           <div class="flex items-center gap-1">
             <div class="text-[10px] font-bold uppercase tracking-wider text-gray-400">CPU</div>
-            <HelpTooltip :content="t('admin.ops.tooltips.cpu')" />
+            <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.cpu')" />
           </div>
           <div class="mt-1 text-lg font-black" :class="cpuPercentClass">
             {{ cpuPercentValue == null ? '-' : `${cpuPercentValue.toFixed(1)}%` }}
           </div>
-          <div class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
+          <div v-if="!props.fullscreen" class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
             {{ t('common.warning') }} 80% · {{ t('common.critical') }} 95%
           </div>
         </div>
@@ -1397,12 +1424,12 @@ function handleToolbarRefresh() {
         <div class="rounded-xl bg-gray-50 p-3 dark:bg-dark-900">
           <div class="flex items-center gap-1">
             <div class="text-[10px] font-bold uppercase tracking-wider text-gray-400">MEM</div>
-            <HelpTooltip :content="t('admin.ops.tooltips.memory')" />
+            <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.memory')" />
           </div>
           <div class="mt-1 text-lg font-black" :class="memPercentClass">
             {{ memPercentValue == null ? '-' : `${memPercentValue.toFixed(1)}%` }}
           </div>
-          <div class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
+          <div v-if="!props.fullscreen" class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
             {{
               systemMetrics?.memory_used_mb == null || systemMetrics?.memory_total_mb == null
                 ? '-'
@@ -1415,12 +1442,12 @@ function handleToolbarRefresh() {
         <div class="rounded-xl bg-gray-50 p-3 dark:bg-dark-900">
           <div class="flex items-center gap-1">
             <div class="text-[10px] font-bold uppercase tracking-wider text-gray-400">DB</div>
-            <HelpTooltip :content="t('admin.ops.tooltips.db')" />
+            <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.db')" />
           </div>
           <div class="mt-1 text-lg font-black" :class="dbMiddleClass">
             {{ dbMiddleLabel }}
           </div>
-          <div class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
+          <div v-if="!props.fullscreen" class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
             {{ t('admin.ops.conns') }} {{ dbConnOpenValue ?? '-' }} / {{ dbMaxOpenConnsValue ?? '-' }}
             · {{ t('admin.ops.active') }} {{ dbConnActiveValue ?? '-' }}
             · {{ t('admin.ops.idle') }} {{ dbConnIdleValue ?? '-' }}
@@ -1432,12 +1459,12 @@ function handleToolbarRefresh() {
         <div class="rounded-xl bg-gray-50 p-3 dark:bg-dark-900">
           <div class="flex items-center gap-1">
             <div class="text-[10px] font-bold uppercase tracking-wider text-gray-400">Redis</div>
-            <HelpTooltip :content="t('admin.ops.tooltips.redis')" />
+            <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.redis')" />
           </div>
           <div class="mt-1 text-lg font-black" :class="redisMiddleClass">
             {{ redisMiddleLabel }}
           </div>
-          <div class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
+          <div v-if="!props.fullscreen" class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
             {{ t('admin.ops.conns') }} {{ redisConnTotalValue ?? '-' }} / {{ redisPoolSizeValue ?? '-' }}
             <span v-if="redisConnActiveValue != null"> · {{ t('admin.ops.active') }} {{ redisConnActiveValue }} </span>
             <span v-if="redisConnIdleValue != null"> · {{ t('admin.ops.idle') }} {{ redisConnIdleValue }} </span>
@@ -1448,12 +1475,12 @@ function handleToolbarRefresh() {
         <div class="rounded-xl bg-gray-50 p-3 dark:bg-dark-900">
           <div class="flex items-center gap-1">
             <div class="text-[10px] font-bold uppercase tracking-wider text-gray-400">{{ t('admin.ops.goroutines') }}</div>
-            <HelpTooltip :content="t('admin.ops.tooltips.goroutines')" />
+            <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.goroutines')" />
           </div>
           <div class="mt-1 text-lg font-black" :class="goroutineStatusClass">
             {{ goroutineStatusLabel }}
           </div>
-          <div class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
+          <div v-if="!props.fullscreen" class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
             {{ t('admin.ops.current') }} <span class="font-mono">{{ goroutineCountValue ?? '-' }}</span>
             · {{ t('common.warning') }} <span class="font-mono">{{ goroutinesWarnThreshold }}</span>
             · {{ t('common.critical') }} <span class="font-mono">{{ goroutinesCriticalThreshold }}</span>
@@ -1468,9 +1495,9 @@ function handleToolbarRefresh() {
           <div class="flex items-center justify-between gap-2">
             <div class="flex items-center gap-1">
               <div class="text-[10px] font-bold uppercase tracking-wider text-gray-400">{{ t('admin.ops.jobs') }}</div>
-              <HelpTooltip :content="t('admin.ops.tooltips.jobs')" />
+              <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.jobs')" />
             </div>
-            <button class="text-[10px] font-bold text-blue-500 hover:underline" type="button" @click="openJobsDetails">
+            <button v-if="!props.fullscreen" class="text-[10px] font-bold text-blue-500 hover:underline" type="button" @click="openJobsDetails">
               {{ t('admin.ops.requestDetails.details') }}
             </button>
           </div>
@@ -1479,7 +1506,7 @@ function handleToolbarRefresh() {
             {{ jobsStatusLabel }}
           </div>
 
-          <div class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
+          <div v-if="!props.fullscreen" class="mt-1 text-[10px] text-gray-500 dark:text-gray-400">
             {{ t('common.total') }} <span class="font-mono">{{ jobHeartbeats.length }}</span>
             · {{ t('common.warning') }} <span class="font-mono">{{ jobsWarnCount }}</span>
           </div>
diff --git a/frontend/src/views/admin/ops/components/OpsThroughputTrendChart.vue b/frontend/src/views/admin/ops/components/OpsThroughputTrendChart.vue
index e3bd26c2..10c958b4 100644
--- a/frontend/src/views/admin/ops/components/OpsThroughputTrendChart.vue
+++ b/frontend/src/views/admin/ops/components/OpsThroughputTrendChart.vue
@@ -19,6 +19,7 @@ interface Props {
   timeRange: string
   byPlatform?: OpsThroughputPlatformBreakdownItem[]
   topGroups?: OpsThroughputGroupBreakdownItem[]
+  fullscreen?: boolean
 }
 
 const props = defineProps<Props>()
@@ -179,38 +180,40 @@ function downloadChart() {
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 7h8m0 0v8m0-8l-8 8-4-4-6 6" />
         </svg>
         {{ t('admin.ops.throughputTrend') }}
-        <HelpTooltip :content="t('admin.ops.tooltips.throughputTrend')" />
+        <HelpTooltip v-if="!props.fullscreen" :content="t('admin.ops.tooltips.throughputTrend')" />
       </h3>
       <div class="flex items-center gap-2 text-xs text-gray-500 dark:text-gray-400">
         <span class="flex items-center gap-1"><span class="h-2 w-2 rounded-full bg-blue-500"></span>{{ t('admin.ops.qps') }}</span>
         <span class="flex items-center gap-1"><span class="h-2 w-2 rounded-full bg-green-500"></span>{{ t('admin.ops.tpsK') }}</span>
-        <button
-          type="button"
-          class="ml-2 inline-flex items-center rounded-lg border border-gray-200 bg-white px-2 py-1 text-[11px] font-semibold text-gray-600 hover:bg-gray-50 disabled:opacity-50 dark:border-dark-700 dark:bg-dark-900 dark:text-gray-300 dark:hover:bg-dark-800"
-          :disabled="state !== 'ready'"
-          :title="t('admin.ops.requestDetails.title')"
-          @click="emit('openDetails')"
-        >
-          {{ t('admin.ops.requestDetails.details') }}
-        </button>
-        <button
-          type="button"
-          class="ml-2 inline-flex items-center rounded-lg border border-gray-200 bg-white px-2 py-1 text-[11px] font-semibold text-gray-600 hover:bg-gray-50 disabled:opacity-50 dark:border-dark-700 dark:bg-dark-900 dark:text-gray-300 dark:hover:bg-dark-800"
-          :disabled="state !== 'ready'"
-          :title="t('admin.ops.charts.resetZoomHint')"
-          @click="resetZoom"
-        >
-          {{ t('admin.ops.charts.resetZoom') }}
-        </button>
-        <button
-          type="button"
-          class="inline-flex items-center rounded-lg border border-gray-200 bg-white px-2 py-1 text-[11px] font-semibold text-gray-600 hover:bg-gray-50 disabled:opacity-50 dark:border-dark-700 dark:bg-dark-900 dark:text-gray-300 dark:hover:bg-dark-800"
-          :disabled="state !== 'ready'"
-          :title="t('admin.ops.charts.downloadChartHint')"
-          @click="downloadChart"
-        >
-          {{ t('admin.ops.charts.downloadChart') }}
-        </button>
+        <template v-if="!props.fullscreen">
+          <button
+            type="button"
+            class="ml-2 inline-flex items-center rounded-lg border border-gray-200 bg-white px-2 py-1 text-[11px] font-semibold text-gray-600 hover:bg-gray-50 disabled:opacity-50 dark:border-dark-700 dark:bg-dark-900 dark:text-gray-300 dark:hover:bg-dark-800"
+            :disabled="state !== 'ready'"
+            :title="t('admin.ops.requestDetails.title')"
+            @click="emit('openDetails')"
+          >
+            {{ t('admin.ops.requestDetails.details') }}
+          </button>
+          <button
+            type="button"
+            class="ml-2 inline-flex items-center rounded-lg border border-gray-200 bg-white px-2 py-1 text-[11px] font-semibold text-gray-600 hover:bg-gray-50 disabled:opacity-50 dark:border-dark-700 dark:bg-dark-900 dark:text-gray-300 dark:hover:bg-dark-800"
+            :disabled="state !== 'ready'"
+            :title="t('admin.ops.charts.resetZoomHint')"
+            @click="resetZoom"
+          >
+            {{ t('admin.ops.charts.resetZoom') }}
+          </button>
+          <button
+            type="button"
+            class="inline-flex items-center rounded-lg border border-gray-200 bg-white px-2 py-1 text-[11px] font-semibold text-gray-600 hover:bg-gray-50 disabled:opacity-50 dark:border-dark-700 dark:bg-dark-900 dark:text-gray-300 dark:hover:bg-dark-800"
+            :disabled="state !== 'ready'"
+            :title="t('admin.ops.charts.downloadChartHint')"
+            @click="downloadChart"
+          >
+            {{ t('admin.ops.charts.downloadChart') }}
+          </button>
+        </template>
       </div>
     </div>