diff --git a/src/components/UI/CardDecoration.vue b/src/components/UI/CardDecoration.vue
index a05eb053..bb33607c 100644
--- a/src/components/UI/CardDecoration.vue
+++ b/src/components/UI/CardDecoration.vue
@@ -1,10 +1,41 @@
+<script setup lang="ts">
+import { computed } from 'vue'
+import { useSettingsStore } from '@/stores/settings'
+import { getInsightCardTheme } from '@/utils/insight-card-theme'
+
+const settingsStore = useSettingsStore()
+
+const decorationStyle = computed(() => {
+  const theme = getInsightCardTheme(settingsStore.insightCardTheme)
+
+  return {
+    '--insight-card-glow-start': theme.startColor,
+    '--insight-card-glow-end': theme.endColor,
+  }
+})
+</script>
+
 <template>
-  <div class="pointer-events-none absolute inset-0 overflow-hidden">
-    <div
-      class="absolute -left-[20%] -top-[20%] h-[70%] w-[70%] rounded-full bg-blue-400/10 blur-[80px] dark:bg-blue-500/20"
-    />
-    <div
-      class="absolute -right-[20%] top-[10%] h-[70%] w-[70%] rounded-full bg-pink-400/10 blur-[80px] dark:bg-pink-500/20"
-    />
+  <div class="pointer-events-none absolute inset-0 overflow-hidden" :style="decorationStyle">
+    <div class="insight-card-glow-start absolute -left-[20%] -top-[20%] h-[70%] w-[70%] rounded-full blur-[80px]" />
+    <div class="insight-card-glow-end absolute -right-[20%] top-[10%] h-[70%] w-[70%] rounded-full blur-[80px]" />
   </div>
 </template>
+
+<style scoped>
+.insight-card-glow-start {
+  background-color: color-mix(in srgb, var(--insight-card-glow-start) 10%, transparent);
+}
+
+.insight-card-glow-end {
+  background-color: color-mix(in srgb, var(--insight-card-glow-end) 10%, transparent);
+}
+
+:global(.dark) .insight-card-glow-start {
+  background-color: color-mix(in srgb, var(--insight-card-glow-start) 20%, transparent);
+}
+
+:global(.dark) .insight-card-glow-end {
+  background-color: color-mix(in srgb, var(--insight-card-glow-end) 20%, transparent);
+}
+</style>
diff --git a/src/components/common/Settings/BasicSettingsTab.vue b/src/components/common/Settings/BasicSettingsTab.vue
index 5878f7fe..ebcc7101 100644
--- a/src/components/common/Settings/BasicSettingsTab.vue
+++ b/src/components/common/Settings/BasicSettingsTab.vue
@@ -10,6 +10,7 @@ import NetworkSettingsSection from './NetworkSettingsSection.vue'
 import UITabs from '@/components/UI/Tabs.vue'
 import { usePlatformService } from '@/services'
 import { IS_ELECTRON } from '@/utils/platform'
+import { INSIGHT_CARD_THEMES, type InsightCardThemeId } from '@/utils/insight-card-theme'
 
 const { t } = useI18n()
 
@@ -17,7 +18,7 @@ const { t } = useI18n()
 const layoutStore = useLayoutStore()
 const settingsStore = useSettingsStore()
 const { toolsPanelPosition } = storeToRefs(layoutStore)
-const { locale, defaultSessionTab } = storeToRefs(settingsStore)
+const { locale, defaultSessionTab, insightCardTheme } = storeToRefs(settingsStore)
 
 // Auto Launch
 const openAtLogin = ref(false)
@@ -58,6 +59,16 @@ const colorModeOptions = computed(() => [
   { label: t('settings.basic.appearance.dark'), value: 'dark' },
 ])
 
+function getInsightCardThemePreview(startColor: string, endColor: string) {
+  return {
+    background: `linear-gradient(135deg, color-mix(in srgb, ${startColor} 35%, white), color-mix(in srgb, ${endColor} 42%, white))`,
+  }
+}
+
+function selectInsightCardTheme(theme: InsightCardThemeId) {
+  insightCardTheme.value = theme
+}
+
 // Language options
 const languageOptions = computed(() =>
   availableLocales.map((l) => ({
@@ -131,8 +142,8 @@ const toolsPanelPositionOptions = computed(() => [
         <UIcon name="i-heroicons-paint-brush" class="h-4 w-4 text-pink-500" />
         {{ t('settings.basic.appearance.title') }}
       </h3>
-      <div class="rounded-lg border border-gray-200 bg-gray-50 p-4 dark:border-gray-700 dark:bg-gray-800/50">
-        <div class="flex items-center justify-between">
+      <div class="rounded-lg border border-gray-200 bg-gray-50 dark:border-gray-700 dark:bg-gray-800/50">
+        <div class="flex items-center justify-between p-4">
           <div class="flex-1 pr-4">
             <p class="text-sm font-medium text-gray-900 dark:text-white">
               {{ t('settings.basic.appearance.themeMode') }}
@@ -142,6 +153,42 @@ const toolsPanelPositionOptions = computed(() => [
             <UTabs v-model="colorMode" size="sm" class="gap-0" :items="colorModeOptions"></UTabs>
           </div>
         </div>
+        <div class="border-t border-gray-200 dark:border-gray-700"></div>
+        <div class="flex items-center justify-between p-4">
+          <div class="flex-1 pr-4">
+            <p class="text-sm font-medium text-gray-900 dark:text-white">
+              {{ t('settings.basic.appearance.insightCardTheme') }}
+            </p>
+          </div>
+          <div class="flex shrink-0 items-center gap-1.5">
+            <button
+              v-for="(theme, index) in INSIGHT_CARD_THEMES"
+              :key="theme.id"
+              type="button"
+              class="group flex h-9 w-9 items-center justify-center rounded-full outline-none transition-colors hover:bg-gray-200/60 focus-visible:ring-2 focus-visible:ring-primary-500/40 dark:hover:bg-gray-700/70"
+              :aria-label="t('settings.basic.appearance.insightCardThemeOption', { index: index + 1 })"
+              :aria-pressed="insightCardTheme === theme.id"
+              @click="selectInsightCardTheme(theme.id)"
+            >
+              <span
+                class="relative block h-6 w-6 overflow-hidden rounded-full shadow-sm ring-1 transition-all"
+                :class="
+                  insightCardTheme === theme.id
+                    ? 'ring-2 ring-primary-500 ring-offset-2 ring-offset-gray-50 dark:ring-primary-400 dark:ring-offset-gray-800'
+                    : 'ring-black/5 group-hover:ring-black/10 dark:ring-white/10 dark:group-hover:ring-white/20'
+                "
+                :style="getInsightCardThemePreview(theme.startColor, theme.endColor)"
+              >
+                <span
+                  v-if="insightCardTheme === theme.id"
+                  class="absolute inset-0 flex items-center justify-center text-gray-800/70"
+                >
+                  <UIcon name="i-heroicons-check-20-solid" class="h-3.5 w-3.5" />
+                </span>
+              </span>
+            </button>
+          </div>
+        </div>
       </div>
     </div>
 
diff --git a/src/i18n/locales/en-US/settings.json b/src/i18n/locales/en-US/settings.json
index 61e2190a..0f6ca8b8 100644
--- a/src/i18n/locales/en-US/settings.json
+++ b/src/i18n/locales/en-US/settings.json
@@ -34,6 +34,8 @@
     "appearance": {
       "title": "Appearance",
       "themeMode": "Theme Mode",
+      "insightCardTheme": "Insight card colors",
+      "insightCardThemeOption": "Color scheme {index}",
       "auto": "System",
       "light": "Light",
       "dark": "Dark"
diff --git a/src/i18n/locales/ja-JP/settings.json b/src/i18n/locales/ja-JP/settings.json
index 6bae8b2d..d92537db 100644
--- a/src/i18n/locales/ja-JP/settings.json
+++ b/src/i18n/locales/ja-JP/settings.json
@@ -34,6 +34,8 @@
     "appearance": {
       "title": "外観設定",
       "themeMode": "テーマモード",
+      "insightCardTheme": "インサイトカードの配色",
+      "insightCardThemeOption": "配色 {index}",
       "auto": "システムに従う",
       "light": "ライトモード",
       "dark": "ダークモード"
diff --git a/src/i18n/locales/zh-CN/settings.json b/src/i18n/locales/zh-CN/settings.json
index a70970e4..67018ff4 100644
--- a/src/i18n/locales/zh-CN/settings.json
+++ b/src/i18n/locales/zh-CN/settings.json
@@ -34,6 +34,8 @@
     "appearance": {
       "title": "外观设置",
       "themeMode": "主题模式",
+      "insightCardTheme": "洞察卡片配色",
+      "insightCardThemeOption": "配色 {index}",
       "auto": "跟随系统",
       "light": "浅色模式",
       "dark": "深色模式"
diff --git a/src/i18n/locales/zh-TW/settings.json b/src/i18n/locales/zh-TW/settings.json
index 48ba65f4..54d42c6b 100644
--- a/src/i18n/locales/zh-TW/settings.json
+++ b/src/i18n/locales/zh-TW/settings.json
@@ -34,6 +34,8 @@
     "appearance": {
       "title": "外觀設定",
       "themeMode": "主題模式",
+      "insightCardTheme": "洞察卡片配色",
+      "insightCardThemeOption": "配色 {index}",
       "auto": "依系統設定",
       "light": "淺色模式",
       "dark": "深色模式"
diff --git a/src/stores/settings.ts b/src/stores/settings.ts
index a60c2440..d08453f8 100644
--- a/src/stores/settings.ts
+++ b/src/stores/settings.ts
@@ -10,6 +10,7 @@ import type { PreprocessConfig } from '@electron/preload/index'
 import type { AIPreprocessConfig } from '@openchatlab/shared-types'
 import { useAIService, usePlatformService } from '@/services'
 import { PLATFORM_CAPABILITIES } from '@/utils/platform-capabilities'
+import { DEFAULT_INSIGHT_CARD_THEME, type InsightCardThemeId } from '@/utils/insight-card-theme'
 
 const DESENSITIZE_RULES_SCHEMA_VERSION = 2
 
@@ -35,6 +36,8 @@ export const useSettingsStore = defineStore(
 
     const defaultSessionTab = ref<'insights' | 'ai-chat'>('insights')
 
+    const insightCardTheme = ref<InsightCardThemeId>(DEFAULT_INSIGHT_CARD_THEME)
+
     const debugMode = ref(false)
 
     function setDebugMode(enabled: boolean) {
@@ -112,6 +115,7 @@ export const useSettingsStore = defineStore(
       setLocale,
       initLocale,
       defaultSessionTab,
+      insightCardTheme,
       debugMode,
       setDebugMode,
       aiPreprocessConfig,
@@ -120,7 +124,7 @@ export const useSettingsStore = defineStore(
   },
   {
     persist: {
-      pick: ['debugMode'],
+      pick: ['debugMode', 'insightCardTheme'],
       storage: localStorage,
     },
     backendPersist: {
diff --git a/src/utils/insight-card-theme.ts b/src/utils/insight-card-theme.ts
new file mode 100644
index 00000000..e929d781
--- /dev/null
+++ b/src/utils/insight-card-theme.ts
@@ -0,0 +1,35 @@
+export const INSIGHT_CARD_THEME_IDS = [
+  'default',
+  'sunset',
+  'galaxy',
+  'mist',
+  'moonlight',
+  'berry',
+  'sunshine',
+  'aurora',
+] as const
+
+export type InsightCardThemeId = (typeof INSIGHT_CARD_THEME_IDS)[number]
+
+export interface InsightCardTheme {
+  id: InsightCardThemeId
+  startColor: string
+  endColor: string
+}
+
+export const DEFAULT_INSIGHT_CARD_THEME: InsightCardThemeId = 'default'
+
+export const INSIGHT_CARD_THEMES: readonly InsightCardTheme[] = [
+  { id: 'default', startColor: '#60a5fa', endColor: '#f472b6' },
+  { id: 'sunset', startColor: '#fb923c', endColor: '#fb7185' },
+  { id: 'galaxy', startColor: '#818cf8', endColor: '#c084fc' },
+  { id: 'mist', startColor: '#22d3ee', endColor: '#60a5fa' },
+  { id: 'moonlight', startColor: '#22c55e', endColor: '#14b8a6' },
+  { id: 'berry', startColor: '#fb7185', endColor: '#a78bfa' },
+  { id: 'sunshine', startColor: '#f59e0b', endColor: '#facc15' },
+  { id: 'aurora', startColor: '#34d399', endColor: '#818cf8' },
+]
+
+export function getInsightCardTheme(id: InsightCardThemeId): InsightCardTheme {
+  return INSIGHT_CARD_THEMES.find((theme) => theme.id === id) ?? INSIGHT_CARD_THEMES[0]
+}