diff --git a/mateclaw-ui/src/i18n/locales/en-US.ts b/mateclaw-ui/src/i18n/locales/en-US.ts
index dfd74580..071e434d 100644
--- a/mateclaw-ui/src/i18n/locales/en-US.ts
+++ b/mateclaw-ui/src/i18n/locales/en-US.ts
@@ -2682,6 +2682,9 @@ export default {
       resetView: 'Reset view',
       fullscreen: 'Fullscreen',
       exitFullscreen: 'Exit fullscreen',
+      searchPlaceholder: 'Search nodes by name…',
+      searchNoMatch: 'No matching node',
+      searchClear: 'Clear',
       linksTo: 'Links to',
       openPage: 'Open page',
       empty: 'No graph data — process some raw materials first',
diff --git a/mateclaw-ui/src/i18n/locales/zh-CN.ts b/mateclaw-ui/src/i18n/locales/zh-CN.ts
index 3dc8fba1..3ab09c4c 100644
--- a/mateclaw-ui/src/i18n/locales/zh-CN.ts
+++ b/mateclaw-ui/src/i18n/locales/zh-CN.ts
@@ -2694,6 +2694,9 @@ export default {
       resetView: '重置视图',
       fullscreen: '全屏',
       exitFullscreen: '退出全屏',
+      searchPlaceholder: '按名称搜索节点…',
+      searchNoMatch: '无匹配节点',
+      searchClear: '清除',
       linksTo: '链接到',
       openPage: '打开页面',
       empty: '暂无图谱数据，请先处理原始材料',
diff --git a/mateclaw-ui/src/views/Wiki/components/GraphNodeSearch.vue b/mateclaw-ui/src/views/Wiki/components/GraphNodeSearch.vue
new file mode 100644
index 00000000..bd87ff1f
--- /dev/null
+++ b/mateclaw-ui/src/views/Wiki/components/GraphNodeSearch.vue
@@ -0,0 +1,222 @@
+<template>
+  <div class="gns">
+    <div class="gns__box">
+      <svg class="gns__icon" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+        <circle cx="11" cy="11" r="7" /><line x1="21" y1="21" x2="16.65" y2="16.65" />
+      </svg>
+      <input
+        ref="inputEl"
+        v-model="q"
+        class="gns__input"
+        :placeholder="t('wiki.graph.searchPlaceholder')"
+        spellcheck="false"
+        @focus="open = true"
+        @input="onInput"
+        @keydown.down.prevent="move(1)"
+        @keydown.up.prevent="move(-1)"
+        @keydown.enter.prevent="choose(active)"
+        @keydown.esc.prevent="onEsc"
+        @blur="onBlur"
+      />
+      <button v-if="q" class="gns__clear" :title="t('wiki.graph.searchClear')" @mousedown.prevent="clearQuery">×</button>
+    </div>
+
+    <ul v-if="open && hasQuery && matches.length" class="gns__list">
+      <li
+        v-for="(m, i) in matches"
+        :key="m.id"
+        class="gns__item"
+        :class="{ 'is-active': i === active }"
+        @mousedown.prevent="choose(i)"
+        @mousemove="active = i"
+      >
+        <span class="gns__dot" :style="{ background: m.color || 'var(--mc-text-tertiary)' }" />
+        <span class="gns__name">{{ m.name }}</span>
+        <span v-if="m.type" class="gns__type">{{ m.type }}</span>
+      </li>
+    </ul>
+    <div v-else-if="open && hasQuery && !matches.length" class="gns__empty">
+      {{ t('wiki.graph.searchNoMatch') }}
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed } from 'vue'
+import { useI18n } from 'vue-i18n'
+
+interface SearchNode { id: string; name: string; type?: string; color?: string }
+
+const props = defineProps<{ nodes: SearchNode[] }>()
+const emit = defineEmits<{
+  (e: 'focus', id: string): void
+  (e: 'clear'): void
+}>()
+
+const { t } = useI18n()
+
+const q = ref('')
+const open = ref(false)
+const active = ref(0)
+const inputEl = ref<HTMLInputElement | null>(null)
+
+const hasQuery = computed(() => q.value.trim().length > 0)
+
+// Substring match, ranked: exact name > prefix > earliest-occurring > shortest >
+// alphabetical. Capped so the dropdown stays small on large graphs.
+const matches = computed<SearchNode[]>(() => {
+  const query = q.value.trim().toLowerCase()
+  if (!query) return []
+  const scored: { n: SearchNode; rank: number; idx: number; len: number }[] = []
+  for (const n of props.nodes) {
+    const name = (n.name || '').toLowerCase()
+    const idx = name.indexOf(query)
+    if (idx < 0) continue
+    const rank = name === query ? 0 : idx === 0 ? 1 : 2
+    scored.push({ n, rank, idx, len: name.length })
+  }
+  scored.sort((a, b) => a.rank - b.rank || a.idx - b.idx || a.len - b.len || a.n.name.localeCompare(b.n.name))
+  return scored.slice(0, 10).map(s => s.n)
+})
+
+function onInput() {
+  open.value = true
+  active.value = 0
+}
+
+function move(d: number) {
+  if (!matches.value.length) return
+  open.value = true
+  active.value = (active.value + d + matches.value.length) % matches.value.length
+}
+
+function choose(i: number) {
+  const m = matches.value[i]
+  if (!m) return
+  q.value = m.name
+  open.value = false
+  emit('focus', m.id)
+}
+
+function clearQuery() {
+  q.value = ''
+  open.value = false
+  active.value = 0
+  emit('clear')
+  inputEl.value?.focus()
+}
+
+function onEsc() {
+  if (open.value && hasQuery.value) open.value = false
+  else clearQuery()
+}
+
+// Close the dropdown after a click lands; the items use mousedown.prevent so a
+// pick still registers before this fires.
+function onBlur() {
+  setTimeout(() => { open.value = false }, 120)
+}
+</script>
+
+<style scoped>
+.gns {
+  position: relative;
+  width: 220px;
+  max-width: 60vw;
+  font-size: 12.5px;
+}
+.gns__box {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 5px 8px;
+  border-radius: 8px;
+  background: var(--mc-bg-elevated, #fff);
+  border: 1px solid var(--mc-border, #e5e7eb);
+  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
+}
+.gns__icon {
+  flex-shrink: 0;
+  color: var(--mc-text-tertiary);
+}
+.gns__input {
+  flex: 1;
+  min-width: 0;
+  border: none;
+  outline: none;
+  background: transparent;
+  color: var(--mc-text-primary);
+  font-size: 12.5px;
+}
+.gns__input::placeholder { color: var(--mc-text-quaternary, #b3a395); }
+.gns__clear {
+  flex-shrink: 0;
+  border: none;
+  background: none;
+  cursor: pointer;
+  font-size: 16px;
+  line-height: 1;
+  color: var(--mc-text-tertiary);
+  padding: 0 2px;
+}
+.gns__clear:hover { color: var(--mc-text-secondary); }
+
+.gns__list {
+  position: absolute;
+  top: calc(100% + 4px);
+  left: 0;
+  right: 0;
+  margin: 0;
+  padding: 4px;
+  list-style: none;
+  max-height: 260px;
+  overflow-y: auto;
+  border-radius: 8px;
+  background: var(--mc-bg-elevated, #fff);
+  border: 1px solid var(--mc-border, #e5e7eb);
+  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.14);
+  z-index: 2;
+}
+.gns__item {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 6px 8px;
+  border-radius: 6px;
+  cursor: pointer;
+}
+.gns__item.is-active { background: var(--mc-bg-hover, #f3f4f6); }
+.gns__dot {
+  flex-shrink: 0;
+  width: 9px;
+  height: 9px;
+  border-radius: 50%;
+}
+.gns__name {
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  color: var(--mc-text-primary);
+}
+.gns__type {
+  flex-shrink: 0;
+  font-size: 11px;
+  color: var(--mc-text-tertiary);
+}
+.gns__empty {
+  position: absolute;
+  top: calc(100% + 4px);
+  left: 0;
+  right: 0;
+  padding: 8px 10px;
+  border-radius: 8px;
+  background: var(--mc-bg-elevated, #fff);
+  border: 1px solid var(--mc-border, #e5e7eb);
+  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.14);
+  color: var(--mc-text-tertiary);
+  font-size: 12px;
+  z-index: 2;
+}
+</style>
diff --git a/mateclaw-ui/src/views/Wiki/components/WikiEntityGraphView.vue b/mateclaw-ui/src/views/Wiki/components/WikiEntityGraphView.vue
index 6558616b..80047ade 100644
--- a/mateclaw-ui/src/views/Wiki/components/WikiEntityGraphView.vue
+++ b/mateclaw-ui/src/views/Wiki/components/WikiEntityGraphView.vue
@@ -2,6 +2,15 @@
   <div class="entity-graph">
     <div ref="chartEl" class="graph-canvas" />
 
+    <!-- Find a node by name: highlights it (dimming the rest) and opens its panel -->
+    <GraphNodeSearch
+      v-if="nodes.length"
+      class="graph-search"
+      :nodes="searchNodes"
+      @focus="focusEntity"
+      @clear="clearHighlight"
+    />
+
     <!-- Entity detail panel -->
     <div v-if="selected" class="entity-panel">
       <button class="entity-panel__close" @click="selected = null">×</button>
@@ -51,13 +60,14 @@
 </template>
 
 <script setup lang="ts">
-import { ref, watch, onMounted, onBeforeUnmount, nextTick } from 'vue'
+import { ref, computed, watch, onMounted, onBeforeUnmount, nextTick } from 'vue'
 import { useI18n } from 'vue-i18n'
 import * as echarts from 'echarts/core'
 import { GraphChart } from 'echarts/charts'
 import { TooltipComponent, LegendComponent } from 'echarts/components'
 import { CanvasRenderer } from 'echarts/renderers'
 import { wikiApi } from '@/api'
+import GraphNodeSearch from './GraphNodeSearch.vue'
 
 echarts.use([GraphChart, TooltipComponent, LegendComponent, CanvasRenderer])
 
@@ -252,6 +262,32 @@ function renderChart() {
   chart.setOption(buildOption(), { notMerge: true, lazyUpdate: true })
 }
 
+// Candidates for the node search box: name + type label + category color.
+const searchNodes = computed(() =>
+  nodes.value.map(n => ({
+    id: String(n.id),
+    name: n.canonicalName,
+    type: formatType(n.type),
+    color: typeColor(n.type),
+  })),
+)
+
+// Search hit: open the entity's panel and emphasize its node (focus:'adjacency'
+// dims everything else so the match stands out even in a dense graph).
+function focusEntity(id: string) {
+  const node = nodes.value.find(n => String(n.id) === String(id))
+  if (!node) return
+  openEntity(node)
+  if (!chart) return
+  const idx = nodes.value.findIndex(n => String(n.id) === String(id))
+  chart.dispatchAction({ type: 'downplay', seriesIndex: 0 })
+  if (idx >= 0) chart.dispatchAction({ type: 'highlight', seriesIndex: 0, dataIndex: idx })
+}
+
+function clearHighlight() {
+  chart?.dispatchAction({ type: 'downplay', seriesIndex: 0 })
+}
+
 async function openEntity(node: EntityNode) {
   selected.value = node
   egoEdges.value = []
@@ -296,6 +332,8 @@ defineExpose({ reload: load })
 <style scoped>
 .entity-graph { position: relative; flex: 1; min-height: 0; width: 100%; display: flex; }
 .graph-canvas { flex: 1; min-height: 0; width: 100%; }
+/* Search sits top-left; the legend is top-center, the detail panel top-right. */
+.graph-search { position: absolute; top: 12px; left: 12px; z-index: 5; }
 
 .graph-empty {
   position: absolute; inset: 0; display: flex; flex-direction: column;
diff --git a/mateclaw-ui/src/views/Wiki/components/WikiGraphView.vue b/mateclaw-ui/src/views/Wiki/components/WikiGraphView.vue
index d041da99..710df34b 100644
--- a/mateclaw-ui/src/views/Wiki/components/WikiGraphView.vue
+++ b/mateclaw-ui/src/views/Wiki/components/WikiGraphView.vue
@@ -24,7 +24,17 @@
     />
 
     <!-- Page-level graph (ECharts canvas) -->
-    <div v-show="graphMode === 'pages'" ref="chartEl" class="graph-canvas" />
+    <div v-show="graphMode === 'pages'" class="graph-canvas-wrap">
+      <!-- Find a node by name: highlights it (dimming the rest) and opens its panel -->
+      <GraphNodeSearch
+        v-if="nodes.length"
+        class="graph-search"
+        :nodes="pageSearchNodes"
+        @focus="focusPageNode"
+        @clear="clearHighlight"
+      />
+      <div ref="chartEl" class="graph-canvas" />
+    </div>
 
     <!-- Node detail panel sub-component -->
     <WikiGraphNodePanel
@@ -58,6 +68,7 @@ import { useWikiPageType } from '@/composables/useWikiPageType'
 import WikiGraphToolbar from './WikiGraphToolbar.vue'
 import WikiGraphNodePanel from './WikiGraphNodePanel.vue'
 import WikiEntityGraphView from './WikiEntityGraphView.vue'
+import GraphNodeSearch from './GraphNodeSearch.vue'
 
 echarts.use([GraphChart, TooltipComponent, LegendComponent, CanvasRenderer])
 
@@ -216,6 +227,31 @@ const selectedNodeLinks = computed(() => {
     .filter(Boolean) as WikiPage[]
 })
 
+// Candidates for the node search box: page title + type label + node color.
+const pageSearchNodes = computed(() =>
+  nodes.value.map(p => ({
+    id: p.slug,
+    name: p.title,
+    type: formatPageTypeLabel(p.pageType || 'other'),
+    color: typeColor(p.pageType),
+  })),
+)
+
+// Search hit: select the page (opens its panel) and emphasize its node —
+// focus:'adjacency' dims the rest so the match is easy to spot.
+function focusPageNode(slug: string) {
+  const page = slugToPage.value.get(slug)
+  if (page) selectedNode.value = page
+  if (!chart) return
+  const idx = nodes.value.findIndex(p => p.slug === slug)
+  chart.dispatchAction({ type: 'downplay', seriesIndex: 0 })
+  if (idx >= 0) chart.dispatchAction({ type: 'highlight', seriesIndex: 0, dataIndex: idx })
+}
+
+function clearHighlight() {
+  chart?.dispatchAction({ type: 'downplay', seriesIndex: 0 })
+}
+
 function buildOption() {
   const labelColor = cssVar('--mc-text-secondary', '#665245')
   const nodeSet = new Set(nodes.value.map(p => p.slug))
@@ -403,11 +439,24 @@ watch(graphMode, (mode) => {
   background: var(--mc-bg-base, #1a1a1a);
 }
 
+.graph-canvas-wrap {
+  position: relative;
+  flex: 1;
+  min-height: 0;
+  display: flex;
+}
 .graph-canvas {
   flex: 1;
   min-height: 0;
   width: 100%;
 }
+/* Search overlay anchored to the canvas top-left, clear of the detail panel. */
+.graph-search {
+  position: absolute;
+  top: 12px;
+  left: 12px;
+  z-index: 5;
+}
 
 .graph-empty {
   position: absolute;