diff --git a/src/api/comprehensive.js b/src/api/comprehensive.js
index e4c5d7c..166bcb9 100644
--- a/src/api/comprehensive.js
+++ b/src/api/comprehensive.js
@@ -231,6 +231,21 @@ export function getCreditArchive(params) {
   })
 }
 
+/**
+ * 根据人员姓名/证件号查询其担任的相关企业（信用档案图谱三级节点扩展）
+ * @param {Object} params
+ * @param {string} params.name 姓名（必填）
+ * @param {string} [params.cerno] 证件号（可选，精确匹配）
+ * @param {string} [params.excludePripid] 排除的主体pripid（可选）
+ */
+export function getPersonRelatedEnts(params) {
+  return request({
+    url: '/eBaseinfo/getPersonRelatedEnts',
+    method: 'get',
+    params
+  })
+}
+
 /**
  * 信用修复预警统计
  * @param data
diff --git a/src/views/comprehensive/components/CreditArchive.vue b/src/views/comprehensive/components/CreditArchive.vue
index 88d621f..bd8cf46 100644
--- a/src/views/comprehensive/components/CreditArchive.vue
+++ b/src/views/comprehensive/components/CreditArchive.vue
@@ -8,7 +8,7 @@
         style="margin-left: 12px;"
         @click="resetGraph"
       >重置图谱</el-button>
-      <span class="toolbar-tip">提示：点击一级分支可展开/收起明细，单分支最多展示 {{ maxNodes }} 个节点</span>
+      <span class="toolbar-tip">提示：点击一级分支可展开/收起明细，法定代表人二级节点再次点击可查看相关企业，单分支最多展示 {{ maxNodes }} 个节点</span>
     </div>
     <div ref="graph" class="graph-container" />
 
@@ -24,17 +24,16 @@
           v-for="(value, key) in detailData"
           :key="key"
           :label="fieldLabel(key)"
-        >{{ value || '—' }}</el-descriptions-item>
+        >{{ formatDetailValue(key, value) }}</el-descriptions-item>
       </el-descriptions>
     </el-dialog>
   </div>
 </template>
 
 <script>
-import { getCreditArchive } from '@/api/comprehensive'
+import { getCreditArchive, getPersonRelatedEnts } from '@/api/comprehensive'
 
 const MAX_NODES = 20
-// 固定查询前一年：如当前 2026 年则查 2025 年
 const DEFAULT_YEAR = new Date().getFullYear() - 1
 
 const FIELD_LABEL_MAP = {
@@ -51,16 +50,31 @@ const FIELD_LABEL_MAP = {
   email: '电子邮箱',
   invid: '股东ID',
   outinvid: '对外投资ID',
-  lmid: '联络员ID'
+  lmid: '联络员ID',
+  specause: '列入原因',
+  abntime: '列入日期',
+  decorg: '列入决定机关',
+  remexcpres: '移出原因',
+  remdate: '移出日期',
+  status: '状态'
 }
 
 const BRANCH_DEFS = [
   { key: 'shareholders', label: '股东信息', color: '#5470c6' },
   { key: 'legalPersons', label: '法定代表人', color: '#91cc75' },
   { key: 'investments', label: '对外投资', color: '#fac858' },
-  { key: 'contacts', label: '联络人', color: '#ee6666' }
+  { key: 'contacts', label: '联络人', color: '#ee6666' },
+  { key: 'abnormals', label: '经营异常名录', color: '#fc8452' },
+  { key: 'seriousIllegals', label: '严重违法失信', color: '#ea4335' }
 ]
 
+const ROLE_LABEL_MAP = {
+  LEGAL_PERSON: '法人',
+  PRINCIPAL_PERSON: '主要人员',
+  SHAREHOLDER: '股东',
+  OPERATOR: '经营者'
+}
+
 export default {
   name: 'CreditArchive',
   props: {
@@ -83,12 +97,16 @@ export default {
         shareholders: [],
         legalPersons: [],
         investments: [],
-        contacts: []
+        contacts: [],
+        abnormals: [],
+        seriousIllegals: []
       },
       truncated: {
         shareholders: false,
         investments: false,
-        contacts: false
+        contacts: false,
+        abnormals: false,
+        seriousIllegals: false
       },
       branches: BRANCH_DEFS,
       detailVisible: false,
@@ -111,6 +129,15 @@ export default {
     fieldLabel(key) {
       return FIELD_LABEL_MAP[key] || key
     },
+    formatDetailValue(key, value) {
+      if (key === 'status') {
+        return value === 'IN' ? '在列' : value === 'OUT' ? '已移出' : (value || '—')
+      }
+      if (key === 'lerepsign') {
+        return value === '1' ? '法定代表人' : (value || '—')
+      }
+      return value || '—'
+    },
     async loadData() {
       if (!this.pripid) return
       this.loading = true
@@ -124,9 +151,17 @@ export default {
           shareholders: data.shareholders || [],
           legalPersons: data.legalPersons || [],
           investments: data.investments || [],
-          contacts: data.contacts || []
+          contacts: data.contacts || [],
+          abnormals: data.abnormals || [],
+          seriousIllegals: data.seriousIllegals || []
+        }
+        this.truncated = data.truncated || {
+          shareholders: false,
+          investments: false,
+          contacts: false,
+          abnormals: false,
+          seriousIllegals: false
         }
-        this.truncated = data.truncated || { shareholders: false, investments: false, contacts: false }
         this.$nextTick(() => this.renderGraph())
       } catch (e) {
         this.$message.error('信用档案数据加载失败')
@@ -153,13 +188,23 @@ export default {
         itemStyle: { color: '#409EFF' },
         label: { fontWeight: 'bold' }
       }
-      const branchNodes = this.branches.map((b, i) => ({
-        id: b.key,
-        name: `${b.label} (${(this.archiveData[b.key] || []).length})`,
-        symbolSize: 50,
-        category: i + 1,
-        itemStyle: { color: b.color }
-      }))
+      const branchNodes = this.branches.map((b, i) => {
+        const list = this.archiveData[b.key] || []
+        const count = list.length
+        const isTruncated = this.truncated[b.key]
+        const label = count === 0
+          ? b.label
+          : isTruncated
+            ? `${b.label} (${MAX_NODES}+)`
+            : `${b.label} (${count})`
+        return {
+          id: b.key,
+          name: label,
+          symbolSize: 50,
+          category: i + 1,
+          itemStyle: { color: b.color }
+        }
+      })
       const branchLinks = this.branches.map(b => ({
         source: 'center',
         target: b.key,
@@ -169,10 +214,7 @@ export default {
       this.chart.setOption({
         tooltip: {
           trigger: 'item',
-          formatter: params => {
-            if (params.dataType === 'edge') return ''
-            return params.name
-          }
+          formatter: params => this.formatTooltip(params)
         },
         legend: [{
           data: this.branches.map(b => b.label),
@@ -195,22 +237,81 @@ export default {
         }]
       }, true)
     },
+    formatTooltip(params) {
+      if (params.dataType === 'edge') return ''
+      const data = params.data
+      if (!data) return params.name
+
+      // 三级相关企业节点
+      if (data.targetPripid && data.rawData) {
+        const ent = data.rawData
+        const roles = (ent.roles || []).map(r => ROLE_LABEL_MAP[r] || r).join('、')
+        return `${ent.entName || '—'}<br/>角色：${roles}<br/>经营状态：${ent.regstateCn || '—'}`
+      }
+
+      // 二级节点 - 经营异常 / 严重违法失信
+      if (data.rawData && data.parentKey) {
+        const raw = data.rawData
+        const branchKey = data.parentKey
+        if (branchKey === 'abnormals' || branchKey === 'seriousIllegals') {
+          const lines = []
+          if (raw.specause) lines.push(`列入原因：${raw.specause}`)
+          if (raw.abntime) lines.push(`列入日期：${raw.abntime}`)
+          if (raw.decorg) lines.push(`列入决定机关：${raw.decorg}`)
+          if (raw.status === 'OUT') {
+            if (raw.remexcpres) lines.push(`移出原因：${raw.remexcpres}`)
+            if (raw.remdate) lines.push(`移出日期：${raw.remdate}`)
+          }
+          lines.push(`状态：${raw.status === 'IN' ? '在列' : '已移出'}`)
+          return lines.join('<br/>')
+        }
+      }
+
+      return params.name
+    },
     handleNodeClick(params) {
-      // 点击中心节点 / 边 → 忽略
       if (!params.data || params.dataType === 'edge') return
-      const branch = this.branches.find(b => b.key === params.data.id)
+      const data = params.data
+
+      // 一级分支 → toggleBranch
+      const branch = this.branches.find(b => b.key === data.id)
       if (branch) {
         this.toggleBranch(branch)
         return
       }
-      // 二级节点点击 → 弹出明细
-      if (params.data.rawData) {
-        const parentKey = String(params.data.id).split('-')[0]
-        const parentBranch = this.branches.find(b => b.key === parentKey)
-        this.detailTitle = parentBranch ? `${parentBranch.label}详情` : '详情'
-        this.detailData = params.data.rawData
-        this.detailVisible = true
+
+      // 三级相关企业节点 → 新 tab 跳转企业详情
+      if (String(data.id).startsWith('rel-')) {
+        const pripid = data.targetPripid
+        if (pripid) {
+          const routeUrl = this.$router.resolve({
+            path: '/comprehensive/details',
+            query: { pripid }
+          }).href
+          window.open(routeUrl, '_blank')
+        }
+        return
       }
+
+      // 二级节点
+      if (data.rawData) {
+        const parentKey = String(data.id).split('-')[0]
+
+        // 法定代表人二级节点 → 扩展三级「相关企业」
+        if (parentKey === 'legalPersons') {
+          this.togglePersonRelatedEnts(data)
+          return
+        }
+
+        // 经营异常 / 严重违法 / 其他 → 弹详情
+        this.openDetailDialog(parentKey, data.rawData)
+      }
+    },
+    openDetailDialog(parentKey, rawData) {
+      const parentBranch = this.branches.find(b => b.key === parentKey)
+      this.detailTitle = parentBranch ? `${parentBranch.label}详情` : '详情'
+      this.detailData = rawData
+      this.detailVisible = true
     },
     toggleBranch(branch) {
       const list = this.archiveData[branch.key] || []
@@ -224,26 +325,35 @@ export default {
       const hasChild = series.data.some(n => String(n.id).startsWith(prefix))
 
       if (hasChild) {
-        // 收起
-        series.data = series.data.filter(n => !String(n.id).startsWith(prefix))
-        series.links = series.links.filter(l => !String(l.target).startsWith(prefix))
+        // 收起（同时收起该分支下的三级 rel- 节点）
+        series.data = series.data.filter(n => {
+          const id = String(n.id)
+          return !id.startsWith(prefix) && !(n._parentPrefix && n._parentPrefix.startsWith(prefix))
+        })
+        series.links = series.links.filter(l => {
+          const target = String(l.target)
+          return !target.startsWith(prefix) && !(l._parentPrefix && l._parentPrefix.startsWith(prefix))
+        })
       } else {
-        // Q11：单分支最多展开 MAX_NODES 个节点，超出部分显示"更多..."
         const displayList = list.slice(0, MAX_NODES)
         const categoryIndex = this.branches.indexOf(branch) + 1
         displayList.forEach((item, i) => {
           const nodeId = `${branch.key}-${i}`
-          series.data.push({
+          const nodeData = {
             id: nodeId,
-            name: this.getNodeName(branch.key, item),
+            name: this.getNodeName(branch.key, item, i),
             symbolSize: 30,
             category: categoryIndex,
-            itemStyle: { color: branch.color, opacity: 0.7 },
-            rawData: item
-          })
+            itemStyle: {
+              color: branch.color,
+              opacity: this.getAbnormalOpacity(branch.key, item)
+            },
+            rawData: item,
+            parentKey: branch.key
+          }
+          series.data.push(nodeData)
           series.links.push({ source: branch.key, target: nodeId })
         })
-        // 后端返回的截断标志或前端二次判断
         const isTruncated = this.truncated[branch.key] || list.length > MAX_NODES
         if (isTruncated) {
           const moreId = `${branch.key}-more`
@@ -259,11 +369,130 @@ export default {
       }
       this.chart.setOption(option, true)
     },
-    getNodeName(key, item) {
+    getNodeName(key, item, index) {
       if (key === 'investments') return item.entName || '—'
       if (key === 'shareholders') return item.name || '—'
+      if (key === 'contacts') return item.name || '—'
+      if (key === 'legalPersons') return item.name || '—'
+      if (key === 'abnormals') {
+        return this.getAbnormalNodeName(item, '经营异常', index)
+      }
+      if (key === 'seriousIllegals') {
+        return this.getAbnormalNodeName(item, '严重违法', index)
+      }
       return item.name || '—'
     },
+    getAbnormalNodeName(item, fallbackPrefix, index) {
+      const cause = item.specause
+      const time = item.abntime
+      if (cause) {
+        const truncatedCause = cause.length > 10 ? cause.substring(0, 10) + '...' : cause
+        if (time) {
+          const dateStr = this.formatDateToYM(time)
+          return `${truncatedCause} (${dateStr})`
+        }
+        return truncatedCause
+      }
+      return `${fallbackPrefix} ${index != null ? index + 1 : ''}`.trim()
+    },
+    getAbnormalOpacity(branchKey, item) {
+      if (branchKey === 'abnormals' || branchKey === 'seriousIllegals') {
+        return item.status === 'OUT' ? 0.4 : 0.7
+      }
+      return 0.7
+    },
+    formatDateToYM(dateVal) {
+      if (!dateVal) return ''
+      const d = new Date(dateVal)
+      if (isNaN(d.getTime())) return String(dateVal).substring(0, 7)
+      const y = d.getFullYear()
+      const m = String(d.getMonth() + 1).padStart(2, '0')
+      return `${y}-${m}`
+    },
+    async togglePersonRelatedEnts(personNode) {
+      const prefix = `rel-${personNode.id}-`
+      const option = this.chart.getOption()
+      const series = option.series[0]
+      const hasChild = series.data.some(n => String(n.id).startsWith(prefix))
+
+      // 已展开 → 收起
+      if (hasChild) {
+        series.data = series.data.filter(n => !String(n.id).startsWith(prefix))
+        series.links = series.links.filter(l => !String(l.target).startsWith(prefix))
+        this.chart.setOption(option, true)
+        return
+      }
+
+      // 调接口
+      const person = personNode.rawData
+      this.loading = true
+      try {
+        const res = await getPersonRelatedEnts({
+          name: person.name,
+          cerno: person.cerno,
+          excludePripid: this.pripid
+        })
+        const data = (res && res.data) || res || {}
+        const list = data.ents || []
+        if (!list.length) {
+          this.$message.info('未查询到该人员的其他相关企业')
+          return
+        }
+        const truncated = !!data.truncated
+        const displayList = list.slice(0, MAX_NODES)
+        const categoryIndex = this.branches.findIndex(b => b.key === 'legalPersons') + 1
+        displayList.forEach((ent, i) => {
+          const nodeId = `${prefix}${i}`
+          const nodeData = {
+            id: nodeId,
+            name: this.buildRelatedEntLabel(ent),
+            symbolSize: 22,
+            category: categoryIndex,
+            itemStyle: { color: '#91cc75', opacity: 0.5 },
+            targetPripid: ent.pripid,
+            rawData: ent,
+            _parentPrefix: 'legalPersons-'
+          }
+          series.data.push(nodeData)
+          series.links.push({
+            source: personNode.id,
+            target: nodeId,
+            lineStyle: { type: 'dashed', color: '#91cc75' },
+            _parentPrefix: 'legalPersons-'
+          })
+        })
+        if (truncated) {
+          const moreId = `${prefix}more`
+          series.data.push({
+            id: moreId,
+            name: `更多... (共 ${displayList.length}+ 项)`,
+            symbolSize: 20,
+            category: categoryIndex,
+            itemStyle: { color: '#91cc75', opacity: 0.3 },
+            _parentPrefix: 'legalPersons-'
+          })
+          series.links.push({
+            source: personNode.id,
+            target: moreId,
+            lineStyle: { type: 'dashed' },
+            _parentPrefix: 'legalPersons-'
+          })
+        }
+        this.chart.setOption(option, true)
+      } catch (e) {
+        this.$message.error('查询相关企业失败')
+      } finally {
+        this.loading = false
+      }
+    },
+    buildRelatedEntLabel(ent) {
+      const name = ent.entName || '—'
+      const roles = (ent.roles || []).map(r => ROLE_LABEL_MAP[r] || r)
+      if (roles.length) {
+        return `${name}(${roles.join('/')})`
+      }
+      return name
+    },
     resetGraph() {
       this.renderGraph()
     },