diff --git a/frontend/src/views/tools/waveform/components/WaveformInfoPanel.vue b/frontend/src/views/tools/waveform/components/WaveformInfoPanel.vue
index a2db780..ccee374 100644
--- a/frontend/src/views/tools/waveform/components/WaveformInfoPanel.vue
+++ b/frontend/src/views/tools/waveform/components/WaveformInfoPanel.vue
@@ -13,94 +13,11 @@
             </div>
 
             <div class="info-section">
-                <div class="feature-header">向量信息</div>
-                <div v-if="hasVectorData" class="vector-content">
-                    <div class="vector-summary-grid">
-                        <div v-for="item in vectorSummaryItems" :key="item.label" class="summary-item vector-summary-item">
-                            <div class="summary-label">{{ item.label }}</div>
-                            <div class="summary-value">{{ item.value }}</div>
-                        </div>
-                    </div>
-
-                    <el-tabs v-model="activeVectorGroupKey" class="vector-tabs">
-                        <el-tab-pane
-                            v-for="(group, index) in vectorGroups"
-                            :key="buildVectorGroupKey(group, index)"
-                            :label="group.channelName || `分组 ${index + 1}`"
-                            :name="buildVectorGroupKey(group, index)"
-                        />
-                    </el-tabs>
-
-                    <div v-if="activeVectorGroup" class="vector-panel-body">
-                        <el-tabs v-model="activeCycleKey" class="vector-tabs vector-cycle-tabs">
-                            <el-tab-pane
-                                v-for="(cycle, index) in activeVectorSeries"
-                                :key="buildCycleKey(cycle, index)"
-                                :label="buildCycleLabel(cycle, index)"
-                                :name="buildCycleKey(cycle, index)"
-                            />
-                        </el-tabs>
-
-                        <div v-if="activeCycle" class="vector-tab-content">
-                            <div v-if="phaseVectorCards.length" class="vector-card-grid">
-                                <div v-for="item in phaseVectorCards" :key="item.title" class="feature-card">
-                                    <div class="feature-card-title">{{ item.title }}</div>
-                                    <div v-for="row in item.rows" :key="row.label" class="feature-row">
-                                        <span>{{ row.label }}</span>
-                                        <span>{{ row.value }}</span>
-                                    </div>
-                                </div>
-                            </div>
-                            <div v-else class="empty-inline">当前周波未返回相量结果。</div>
-
-                            <div class="feature-header feature-header--nested">序分量与不平衡度</div>
-                            <div class="vector-card-grid sequence-grid">
-                                <div v-for="item in sequenceCards" :key="item.title" class="feature-card">
-                                    <div class="feature-card-title">{{ item.title }}</div>
-                                    <div v-for="row in item.rows" :key="row.label" class="feature-row">
-                                        <span>{{ row.label }}</span>
-                                        <span>{{ row.value }}</span>
-                                    </div>
-                                </div>
-                            </div>
-
-                            <div class="feature-header feature-header--nested">谐波信息</div>
-                            <el-tabs v-if="activePhaseVectors.length" v-model="activePhaseKey" class="vector-tabs vector-phase-tabs">
-                                <el-tab-pane
-                                    v-for="(phase, index) in activePhaseVectors"
-                                    :key="buildPhaseKey(phase, index)"
-                                    :label="phase.phaseName || `相别 ${index + 1}`"
-                                    :name="buildPhaseKey(phase, index)"
-                                />
-                            </el-tabs>
-
-                            <div v-if="activeHarmonicRows.length" class="harmonic-list">
-                                <div class="harmonic-row harmonic-row--header">
-                                    <span>次数</span>
-                                    <span>幅值</span>
-                                    <span>有效值</span>
-                                    <span>占比</span>
-                                </div>
-                                <div
-                                    v-for="item in activeHarmonicRows"
-                                    :key="`${activePhaseKey}-${item.harmonicOrder}`"
-                                    class="harmonic-row"
-                                >
-                                    <span>{{ item.harmonicOrder ?? '--' }}</span>
-                                    <span>{{ formatWaveValue(item.amplitude, activeVectorGroup?.unit) }}</span>
-                                    <span>{{ formatWaveValue(item.rms, activeVectorGroup?.unit) }}</span>
-                                    <span>{{ formatPercentValue(item.rate) }}</span>
-                                </div>
-                            </div>
-                            <div v-else class="empty-inline">当前相未返回谐波结果。</div>
-                        </div>
-                        <div v-else class="empty-inline">当前分组未返回逐周波结果。</div>
-                    </div>
-                </div>
-                <div v-else class="vector-placeholder">向量信息待接口返回后展示。</div>
-                <div v-if="lastVectorParseErrorMessage" class="empty-text error-text">
-                    最近一次向量解析失败：{{ lastVectorParseErrorMessage }}
-                </div>
+                <WaveformVectorInfo
+                    :vector-parse-result="vectorParseResult"
+                    :last-vector-parse-error-message="lastVectorParseErrorMessage"
+                    :active-vector-channel-name="activeVectorChannelName"
+                />
             </div>
 
             <div class="feature-header">特征值</div>
@@ -127,12 +44,11 @@
 </template>
 
 <script setup lang="ts">
-import { computed, ref, watch } from 'vue'
-import dayjs from 'dayjs'
 import type { Waveform } from '@/api/tools/waveform/interface'
 import type { FeatureCardItem, SummaryItem } from './types'
+import WaveformVectorInfo from './WaveformVectorInfo.vue'
 
-const props = defineProps<{
+defineProps<{
     hasParsedWaveform: boolean
     summaryItems: SummaryItem[]
     featureCards: FeatureCardItem[]
@@ -141,188 +57,6 @@ const props = defineProps<{
     lastVectorParseErrorMessage: string
     activeVectorChannelName: string
 }>()
-
-const activeVectorGroupKey = ref('')
-const activeCycleKey = ref('')
-const activePhaseKey = ref('')
-
-const formatNumber = (value: unknown, fractionDigits = 3) => {
-    const numberValue = Number(value)
-
-    if (!Number.isFinite(numberValue)) return '--'
-    if (Number.isInteger(numberValue)) return `${numberValue}`
-
-    return `${Number(numberValue.toFixed(fractionDigits))}`
-}
-
-const formatWaveformTime = (value?: string) => {
-    if (!value) return '--'
-
-    const parsedValue = dayjs(value)
-    return parsedValue.isValid() ? parsedValue.format('YYYY-MM-DD HH:mm:ss.SSS') : value
-}
-
-const formatWaveValue = (value: unknown, unit?: string) => {
-    const formattedValue = formatNumber(value)
-    if (formattedValue === '--') return '--'
-    return unit ? `${formattedValue} ${unit}` : formattedValue
-}
-
-const formatPhaseAngle = (value: unknown) => {
-    const formattedValue = formatNumber(value)
-    return formattedValue === '--' ? '--' : `${formattedValue} °`
-}
-
-const formatPercentValue = (value: unknown) => {
-    const formattedValue = formatNumber(value)
-    return formattedValue === '--' ? '--' : `${formattedValue}%`
-}
-
-const formatCycleTime = (value: unknown) => {
-    const formattedValue = formatNumber(value)
-    return formattedValue === '--' ? '--' : `${formattedValue} ms`
-}
-
-const buildVectorGroupKey = (group: Waveform.WaveVectorGroupDTO, index: number) => {
-    return group.channelName || `group-${index}`
-}
-
-const buildCycleKey = (cycle: Waveform.WaveCycleVectorDTO, index: number) => {
-    return `${cycle.cycleIndex ?? index}`
-}
-
-const buildPhaseKey = (phase: Waveform.WavePhaseVectorDTO, index: number) => {
-    return phase.phaseName || `phase-${index}`
-}
-
-const buildCycleLabel = (cycle: Waveform.WaveCycleVectorDTO, index: number) => {
-    return `周波 ${Number(cycle.cycleIndex ?? index) + 1}`
-}
-
-const vectorGroups = computed(() => props.vectorParseResult?.vectorGroups || [])
-const hasVectorData = computed(() => vectorGroups.value.length > 0)
-
-watch(
-    [vectorGroups, () => props.activeVectorChannelName],
-    ([groups, activeChannelName]) => {
-        if (!groups.length) {
-            activeVectorGroupKey.value = ''
-            return
-        }
-
-        const matchedIndex = groups.findIndex(item => item.channelName === activeChannelName)
-        const nextIndex = matchedIndex >= 0 ? matchedIndex : 0
-        activeVectorGroupKey.value = buildVectorGroupKey(groups[nextIndex], nextIndex)
-    },
-    { immediate: true }
-)
-
-const activeVectorGroup = computed(() => {
-    return vectorGroups.value.find((item, index) => buildVectorGroupKey(item, index) === activeVectorGroupKey.value) || vectorGroups.value[0] || null
-})
-
-const activeVectorSeries = computed(() => activeVectorGroup.value?.vectorSeries || [])
-
-watch(
-    activeVectorSeries,
-    series => {
-        if (!series.length) {
-            activeCycleKey.value = ''
-            return
-        }
-
-        if (series.some((item, index) => buildCycleKey(item, index) === activeCycleKey.value)) return
-        activeCycleKey.value = buildCycleKey(series[0], 0)
-    },
-    { immediate: true }
-)
-
-const activeCycle = computed(() => {
-    return activeVectorSeries.value.find((item, index) => buildCycleKey(item, index) === activeCycleKey.value) || activeVectorSeries.value[0] || null
-})
-
-const activePhaseVectors = computed(() => activeCycle.value?.phaseVectors || [])
-
-watch(
-    activePhaseVectors,
-    phaseVectors => {
-        if (!phaseVectors.length) {
-            activePhaseKey.value = ''
-            return
-        }
-
-        if (phaseVectors.some((item, index) => buildPhaseKey(item, index) === activePhaseKey.value)) return
-        activePhaseKey.value = buildPhaseKey(phaseVectors[0], 0)
-    },
-    { immediate: true }
-)
-
-const activePhaseVector = computed(() => {
-    return activePhaseVectors.value.find((item, index) => buildPhaseKey(item, index) === activePhaseKey.value) || activePhaseVectors.value[0] || null
-})
-
-const vectorSummaryItems = computed<SummaryItem[]>(() => {
-    const activeGroup = activeVectorGroup.value
-    const currentCycle = activeCycle.value
-
-    return [
-        { label: '测点名称', value: props.vectorParseResult?.monitorName || '--' },
-        { label: '事件时间', value: formatWaveformTime(props.vectorParseResult?.time) },
-        { label: '每周波采样点数', value: props.vectorParseResult?.samplePerCycle ?? '--' },
-        { label: '可计算周波数', value: props.vectorParseResult?.cycleCount ?? '--' },
-        { label: '当前分组', value: activeGroup?.channelName || '--' },
-        { label: '当前周波', value: currentCycle ? buildCycleLabel(currentCycle, Number(currentCycle.cycleIndex ?? 0)) : '--' }
-    ]
-})
-
-const phaseVectorCards = computed<FeatureCardItem[]>(() => {
-    const activeGroup = activeVectorGroup.value
-
-    return activePhaseVectors.value.map(item => ({
-        title: item.phaseName || '相量',
-        rows: [
-            { label: '总有效值', value: formatWaveValue(item.totalRms, activeGroup?.unit) },
-            { label: '基波幅值', value: formatWaveValue(item.fundamentalAmplitude, activeGroup?.unit) },
-            { label: '基波有效值', value: formatWaveValue(item.fundamentalRms, activeGroup?.unit) },
-            { label: '基波相角', value: formatPhaseAngle(item.fundamentalPhaseAngle) },
-            { label: '谐波畸变率', value: formatPercentValue(item.harmonicDistortionRate) }
-        ]
-    }))
-})
-
-const sequenceCards = computed<FeatureCardItem[]>(() => {
-    const activeGroup = activeVectorGroup.value
-    const currentCycle = activeCycle.value
-
-    const sequenceList = [currentCycle?.positiveSequence, currentCycle?.negativeSequence, currentCycle?.zeroSequence]
-        .filter(Boolean)
-        .map(item => ({
-            title: item?.sequenceName || '序分量',
-            rows: [
-                { label: '幅值', value: formatWaveValue(item?.amplitude, activeGroup?.unit) },
-                { label: '有效值', value: formatWaveValue(item?.rms, activeGroup?.unit) },
-                { label: '相角', value: formatPhaseAngle(item?.phaseAngle) }
-            ]
-        }))
-
-    return [
-        ...sequenceList,
-        {
-            title: '不平衡度',
-            rows: [
-                { label: '负序不平衡度', value: formatPercentValue(currentCycle?.unbalance?.negativeUnbalanceRate) },
-                { label: '零序不平衡度', value: formatPercentValue(currentCycle?.unbalance?.zeroUnbalanceRate) },
-                { label: '周波中点', value: formatCycleTime(currentCycle?.time) }
-            ]
-        }
-    ]
-})
-
-const activeHarmonicRows = computed(() => {
-    if (!activePhaseVector.value) return []
-
-    return activePhaseVector.value.harmonicVoltageContentRates || activePhaseVector.value.harmonicCurrentAmplitudes || []
-})
 </script>
 
 <style scoped lang="scss">
@@ -379,8 +113,7 @@ const activeHarmonicRows = computed(() => {
 }
 
 .empty-text,
-.empty-inline,
-.vector-placeholder {
+.empty-inline {
     font-size: 13px;
     line-height: 1.6;
     color: var(--el-text-color-regular);
@@ -391,29 +124,23 @@ const activeHarmonicRows = computed(() => {
     word-break: break-all;
 }
 
-.info-body {
-    gap: 8px;
-    overflow: auto;
-}
-
-.info-section,
-.vector-content,
-.vector-panel-body,
-.vector-tab-content {
+.info-body,
+.info-section {
     display: flex;
     flex-direction: column;
     gap: 8px;
 }
 
+.info-body {
+    overflow: auto;
+}
+
 .summary-grid {
     display: grid;
     grid-template-columns: repeat(3, minmax(0, 1fr));
     gap: 8px;
 }
 
-.vector-summary-grid,
-.vector-card-grid,
-.sequence-grid,
 .feature-grid {
     display: grid;
     grid-template-columns: repeat(2, minmax(0, 1fr));
@@ -421,9 +148,7 @@ const activeHarmonicRows = computed(() => {
 }
 
 .summary-item,
-.feature-card,
-.vector-placeholder,
-.harmonic-list {
+.feature-card {
     padding: 10px;
     border: 1px solid var(--el-border-color-lighter);
     border-radius: 4px;
@@ -450,10 +175,6 @@ const activeHarmonicRows = computed(() => {
     margin-top: 2px;
 }
 
-.feature-header--nested {
-    margin-top: 0;
-}
-
 .feature-card {
     display: flex;
     flex-direction: column;
@@ -469,55 +190,6 @@ const activeHarmonicRows = computed(() => {
     color: var(--el-text-color-regular);
 }
 
-.vector-tabs {
-    width: 100%;
-    flex-shrink: 0;
-}
-
-.vector-tabs :deep(.el-tabs__header) {
-    margin-bottom: 0;
-}
-
-.vector-tabs :deep(.el-tabs__nav-wrap::after) {
-    background-color: var(--el-border-color-light);
-}
-
-.vector-tabs :deep(.el-tabs__item) {
-    font-size: 13px;
-}
-
-.harmonic-list {
-    display: flex;
-    flex-direction: column;
-    gap: 0;
-    max-height: 240px;
-    overflow: auto;
-    padding: 0;
-}
-
-.harmonic-row {
-    display: grid;
-    grid-template-columns: 52px repeat(3, minmax(0, 1fr));
-    gap: 8px;
-    padding: 8px 10px;
-    font-size: 12px;
-    color: var(--el-text-color-regular);
-    border-bottom: 1px solid var(--el-border-color-lighter);
-}
-
-.harmonic-row:last-child {
-    border-bottom: 0;
-}
-
-.harmonic-row--header {
-    position: sticky;
-    top: 0;
-    z-index: 1;
-    font-weight: 600;
-    color: var(--el-text-color-primary);
-    background: var(--el-bg-color);
-}
-
 @media (max-width: 1200px) {
     .summary-grid {
         grid-template-columns: repeat(2, minmax(0, 1fr));
@@ -526,15 +198,8 @@ const activeHarmonicRows = computed(() => {
 
 @media (max-width: 992px) {
     .summary-grid,
-    .vector-summary-grid,
-    .vector-card-grid,
-    .sequence-grid,
     .feature-grid {
         grid-template-columns: 1fr;
     }
-
-    .harmonic-row {
-        grid-template-columns: repeat(2, minmax(0, 1fr));
-    }
 }
-</style>
+</style>
\ No newline at end of file
diff --git a/frontend/src/views/tools/waveform/components/WaveformVectorInfo.vue b/frontend/src/views/tools/waveform/components/WaveformVectorInfo.vue
new file mode 100644
index 0000000..138641e
--- /dev/null
+++ b/frontend/src/views/tools/waveform/components/WaveformVectorInfo.vue
@@ -0,0 +1,433 @@
+<template>
+    <div class="waveform-vector-info">
+        <div class="feature-header">向量信息</div>
+        <div v-if="hasVectorData" class="vector-content">
+            <div class="vector-summary-grid">
+                <div v-for="item in vectorSummaryItems" :key="item.label" class="summary-item">
+                    <div class="summary-label">{{ item.label }}</div>
+                    <div class="summary-value">{{ item.value }}</div>
+                </div>
+            </div>
+
+            <el-tabs v-model="activeVectorGroupKey" class="vector-tabs">
+                <el-tab-pane
+                    v-for="(group, index) in vectorGroups"
+                    :key="buildVectorGroupKey(group, index)"
+                    :label="group.channelName || `分组 ${index + 1}`"
+                    :name="buildVectorGroupKey(group, index)"
+                />
+            </el-tabs>
+
+            <div v-if="activeVectorGroup" class="vector-panel-body">
+                <el-tabs v-model="activeCycleKey" class="vector-tabs vector-cycle-tabs">
+                    <el-tab-pane
+                        v-for="(cycle, index) in activeVectorSeries"
+                        :key="buildCycleKey(cycle, index)"
+                        :label="buildCycleLabel(cycle, index)"
+                        :name="buildCycleKey(cycle, index)"
+                    />
+                </el-tabs>
+
+                <div v-if="activeCycle" class="vector-tab-content">
+                    <div v-if="phaseVectorCards.length" class="vector-card-grid">
+                        <div v-for="item in phaseVectorCards" :key="item.title" class="feature-card">
+                            <div class="feature-card-title">{{ item.title }}</div>
+                            <div v-for="row in item.rows" :key="row.label" class="feature-row">
+                                <span>{{ row.label }}</span>
+                                <span>{{ row.value }}</span>
+                            </div>
+                        </div>
+                    </div>
+                    <div v-else class="empty-inline">当前周波未返回相量结果。</div>
+
+                    <div class="feature-header feature-header--nested">序分量与不平衡度</div>
+                    <div class="vector-card-grid sequence-grid">
+                        <div v-for="item in sequenceCards" :key="item.title" class="feature-card">
+                            <div class="feature-card-title">{{ item.title }}</div>
+                            <div v-for="row in item.rows" :key="row.label" class="feature-row">
+                                <span>{{ row.label }}</span>
+                                <span>{{ row.value }}</span>
+                            </div>
+                        </div>
+                    </div>
+
+                    <div class="feature-header feature-header--nested">谐波信息</div>
+                    <el-tabs v-if="activePhaseVectors.length" v-model="activePhaseKey" class="vector-tabs vector-phase-tabs">
+                        <el-tab-pane
+                            v-for="(phase, index) in activePhaseVectors"
+                            :key="buildPhaseKey(phase, index)"
+                            :label="phase.phaseName || `相别 ${index + 1}`"
+                            :name="buildPhaseKey(phase, index)"
+                        />
+                    </el-tabs>
+
+                    <div v-if="activeHarmonicRows.length" class="harmonic-list">
+                        <div class="harmonic-row harmonic-row--header">
+                            <span>次数</span>
+                            <span>幅值</span>
+                            <span>有效值</span>
+                            <span>占比</span>
+                        </div>
+                        <div
+                            v-for="item in activeHarmonicRows"
+                            :key="`${activePhaseKey}-${item.harmonicOrder}`"
+                            class="harmonic-row"
+                        >
+                            <span>{{ item.harmonicOrder ?? '--' }}</span>
+                            <span>{{ formatWaveValue(item.amplitude, activeVectorGroup?.unit) }}</span>
+                            <span>{{ formatWaveValue(item.rms, activeVectorGroup?.unit) }}</span>
+                            <span>{{ formatPercentValue(item.rate) }}</span>
+                        </div>
+                    </div>
+                    <div v-else class="empty-inline">当前相未返回谐波结果。</div>
+                </div>
+                <div v-else class="empty-inline">当前分组未返回逐周波结果。</div>
+            </div>
+        </div>
+        <div v-else class="vector-placeholder">向量信息待接口返回后展示。</div>
+        <div v-if="lastVectorParseErrorMessage" class="empty-text error-text">最近一次向量解析失败：{{ lastVectorParseErrorMessage }}</div>
+    </div>
+</template>
+
+<script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import dayjs from 'dayjs'
+import type { Waveform } from '@/api/tools/waveform/interface'
+import type { FeatureCardItem, SummaryItem } from './types'
+
+defineOptions({
+    name: 'WaveformVectorInfo'
+})
+
+const props = defineProps<{
+    vectorParseResult: Waveform.WaveComtradeVectorResultVO | null
+    lastVectorParseErrorMessage: string
+    activeVectorChannelName: string
+}>()
+
+const activeVectorGroupKey = ref('')
+const activeCycleKey = ref('')
+const activePhaseKey = ref('')
+
+const formatNumber = (value: unknown, fractionDigits = 3) => {
+    const numberValue = Number(value)
+
+    if (!Number.isFinite(numberValue)) return '--'
+    if (Number.isInteger(numberValue)) return `${numberValue}`
+
+    return `${Number(numberValue.toFixed(fractionDigits))}`
+}
+
+const formatWaveformTime = (value?: string) => {
+    if (!value) return '--'
+
+    const parsedValue = dayjs(value)
+    return parsedValue.isValid() ? parsedValue.format('YYYY-MM-DD HH:mm:ss.SSS') : value
+}
+
+const formatWaveValue = (value: unknown, unit?: string) => {
+    const formattedValue = formatNumber(value)
+    if (formattedValue === '--') return '--'
+    return unit ? `${formattedValue} ${unit}` : formattedValue
+}
+
+const formatPhaseAngle = (value: unknown) => {
+    const formattedValue = formatNumber(value)
+    return formattedValue === '--' ? '--' : `${formattedValue} °`
+}
+
+const formatPercentValue = (value: unknown) => {
+    const formattedValue = formatNumber(value)
+    return formattedValue === '--' ? '--' : `${formattedValue}%`
+}
+
+const formatCycleTime = (value: unknown) => {
+    const formattedValue = formatNumber(value)
+    return formattedValue === '--' ? '--' : `${formattedValue} ms`
+}
+
+const buildVectorGroupKey = (group: Waveform.WaveVectorGroupDTO, index: number) => {
+    return group.channelName || `group-${index}`
+}
+
+const buildCycleKey = (cycle: Waveform.WaveCycleVectorDTO, index: number) => {
+    return `${cycle.cycleIndex ?? index}`
+}
+
+const buildPhaseKey = (phase: Waveform.WavePhaseVectorDTO, index: number) => {
+    return phase.phaseName || `phase-${index}`
+}
+
+const buildCycleLabel = (cycle: Waveform.WaveCycleVectorDTO, index: number) => {
+    return `周波 ${Number(cycle.cycleIndex ?? index) + 1}`
+}
+
+const vectorGroups = computed(() => props.vectorParseResult?.vectorGroups || [])
+const hasVectorData = computed(() => vectorGroups.value.length > 0)
+
+watch(
+    [vectorGroups, () => props.activeVectorChannelName],
+    ([groups, activeChannelName]) => {
+        if (!groups.length) {
+            activeVectorGroupKey.value = ''
+            return
+        }
+
+        // 通道切换时优先对齐当前激活波形对应的向量分组，避免左右信息错位。
+        const matchedIndex = groups.findIndex(item => item.channelName === activeChannelName)
+        const nextIndex = matchedIndex >= 0 ? matchedIndex : 0
+        activeVectorGroupKey.value = buildVectorGroupKey(groups[nextIndex], nextIndex)
+    },
+    { immediate: true }
+)
+
+const activeVectorGroup = computed(() => {
+    return vectorGroups.value.find((item, index) => buildVectorGroupKey(item, index) === activeVectorGroupKey.value) || vectorGroups.value[0] || null
+})
+
+const activeVectorSeries = computed(() => activeVectorGroup.value?.vectorSeries || [])
+
+watch(
+    activeVectorSeries,
+    series => {
+        if (!series.length) {
+            activeCycleKey.value = ''
+            return
+        }
+
+        // 分组或周波序列变化后兜底选中首项，保证详情面板始终有有效上下文。
+        if (series.some((item, index) => buildCycleKey(item, index) === activeCycleKey.value)) return
+        activeCycleKey.value = buildCycleKey(series[0], 0)
+    },
+    { immediate: true }
+)
+
+const activeCycle = computed(() => {
+    return activeVectorSeries.value.find((item, index) => buildCycleKey(item, index) === activeCycleKey.value) || activeVectorSeries.value[0] || null
+})
+
+const activePhaseVectors = computed(() => activeCycle.value?.phaseVectors || [])
+
+watch(
+    activePhaseVectors,
+    phaseVectors => {
+        if (!phaseVectors.length) {
+            activePhaseKey.value = ''
+            return
+        }
+
+        if (phaseVectors.some((item, index) => buildPhaseKey(item, index) === activePhaseKey.value)) return
+        activePhaseKey.value = buildPhaseKey(phaseVectors[0], 0)
+    },
+    { immediate: true }
+)
+
+const activePhaseVector = computed(() => {
+    return activePhaseVectors.value.find((item, index) => buildPhaseKey(item, index) === activePhaseKey.value) || activePhaseVectors.value[0] || null
+})
+
+const vectorSummaryItems = computed<SummaryItem[]>(() => {
+    const activeGroup = activeVectorGroup.value
+    const currentCycle = activeCycle.value
+
+    return [
+        { label: '测点名称', value: props.vectorParseResult?.monitorName || '--' },
+        { label: '事件时间', value: formatWaveformTime(props.vectorParseResult?.time) },
+        { label: '每周波采样点数', value: props.vectorParseResult?.samplePerCycle ?? '--' },
+        { label: '可计算周波数', value: props.vectorParseResult?.cycleCount ?? '--' },
+        { label: '当前分组', value: activeGroup?.channelName || '--' },
+        { label: '当前周波', value: currentCycle ? buildCycleLabel(currentCycle, Number(currentCycle.cycleIndex ?? 0)) : '--' }
+    ]
+})
+
+const phaseVectorCards = computed<FeatureCardItem[]>(() => {
+    const activeGroup = activeVectorGroup.value
+
+    return activePhaseVectors.value.map(item => ({
+        title: item.phaseName || '相量',
+        rows: [
+            { label: '总有效值', value: formatWaveValue(item.totalRms, activeGroup?.unit) },
+            { label: '基波幅值', value: formatWaveValue(item.fundamentalAmplitude, activeGroup?.unit) },
+            { label: '基波有效值', value: formatWaveValue(item.fundamentalRms, activeGroup?.unit) },
+            { label: '基波相角', value: formatPhaseAngle(item.fundamentalPhaseAngle) },
+            { label: '谐波畸变率', value: formatPercentValue(item.harmonicDistortionRate) }
+        ]
+    }))
+})
+
+const sequenceCards = computed<FeatureCardItem[]>(() => {
+    const activeGroup = activeVectorGroup.value
+    const currentCycle = activeCycle.value
+
+    const sequenceList = [currentCycle?.positiveSequence, currentCycle?.negativeSequence, currentCycle?.zeroSequence]
+        .filter(Boolean)
+        .map(item => ({
+            title: item?.sequenceName || '序分量',
+            rows: [
+                { label: '幅值', value: formatWaveValue(item?.amplitude, activeGroup?.unit) },
+                { label: '有效值', value: formatWaveValue(item?.rms, activeGroup?.unit) },
+                { label: '相角', value: formatPhaseAngle(item?.phaseAngle) }
+            ]
+        }))
+
+    return [
+        ...sequenceList,
+        {
+            title: '不平衡度',
+            rows: [
+                { label: '负序不平衡度', value: formatPercentValue(currentCycle?.unbalance?.negativeUnbalanceRate) },
+                { label: '零序不平衡度', value: formatPercentValue(currentCycle?.unbalance?.zeroUnbalanceRate) },
+                { label: '周波中点', value: formatCycleTime(currentCycle?.time) }
+            ]
+        }
+    ]
+})
+
+const activeHarmonicRows = computed(() => {
+    if (!activePhaseVector.value) return []
+
+    return activePhaseVector.value.harmonicVoltageContentRates || activePhaseVector.value.harmonicCurrentAmplitudes || []
+})
+</script>
+
+<style scoped lang="scss">
+.waveform-vector-info,
+.vector-content,
+.vector-panel-body,
+.vector-tab-content {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+}
+
+.empty-text,
+.empty-inline,
+.vector-placeholder {
+    font-size: 13px;
+    line-height: 1.6;
+    color: var(--el-text-color-regular);
+}
+
+.error-text {
+    color: var(--el-color-danger);
+    word-break: break-all;
+}
+
+.vector-summary-grid,
+.vector-card-grid,
+.sequence-grid {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 8px;
+}
+
+.summary-item,
+.feature-card,
+.vector-placeholder,
+.harmonic-list {
+    padding: 10px;
+    border: 1px solid var(--el-border-color-lighter);
+    border-radius: 4px;
+    background: var(--cn-color-canvas-bg);
+}
+
+.summary-label,
+.feature-card-title,
+.feature-header {
+    font-size: 13px;
+    font-weight: 600;
+    color: var(--el-text-color-primary);
+}
+
+.summary-value {
+    margin-top: 6px;
+    font-size: 13px;
+    line-height: 1.6;
+    color: var(--el-text-color-regular);
+    word-break: break-all;
+}
+
+.feature-header {
+    margin-top: 2px;
+}
+
+.feature-header--nested {
+    margin-top: 0;
+}
+
+.feature-card {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+}
+
+.feature-row {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 12px;
+    font-size: 13px;
+    color: var(--el-text-color-regular);
+}
+
+.vector-tabs {
+    width: 100%;
+    flex-shrink: 0;
+}
+
+.vector-tabs :deep(.el-tabs__header) {
+    margin-bottom: 0;
+}
+
+.vector-tabs :deep(.el-tabs__nav-wrap::after) {
+    background-color: var(--el-border-color-light);
+}
+
+.vector-tabs :deep(.el-tabs__item) {
+    font-size: 13px;
+}
+
+.harmonic-list {
+    display: flex;
+    flex-direction: column;
+    gap: 0;
+    max-height: 240px;
+    overflow: auto;
+    padding: 0;
+}
+
+.harmonic-row {
+    display: grid;
+    grid-template-columns: 52px repeat(3, minmax(0, 1fr));
+    gap: 8px;
+    padding: 8px 10px;
+    font-size: 12px;
+    color: var(--el-text-color-regular);
+    border-bottom: 1px solid var(--el-border-color-lighter);
+}
+
+.harmonic-row:last-child {
+    border-bottom: 0;
+}
+
+.harmonic-row--header {
+    position: sticky;
+    top: 0;
+    z-index: 1;
+    font-weight: 600;
+    color: var(--el-text-color-primary);
+    background: var(--el-bg-color);
+}
+
+@media (max-width: 992px) {
+    .vector-summary-grid,
+    .vector-card-grid,
+    .sequence-grid {
+        grid-template-columns: 1fr;
+    }
+
+    .harmonic-row {
+        grid-template-columns: repeat(2, minmax(0, 1fr));
+    }
+}
+</style>
\ No newline at end of file