diff --git a/package-lock.json b/package-lock.json
index b478552..151337c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,7 @@
         "@vue-flow/core": "^1.48.1",
         "@vue-flow/node-resizer": "^1.5.0",
         "axios": "^1.6.7",
+        "html-to-image": "^1.11.13",
         "lucide-vue-next": "^0.322.0",
         "vue": "^3.4.15"
       },
@@ -2029,6 +2030,12 @@
         "he": "bin/he"
       }
     },
+    "node_modules/html-to-image": {
+      "version": "1.11.13",
+      "resolved": "https://registry.npmjs.org/html-to-image/-/html-to-image-1.11.13.tgz",
+      "integrity": "sha512-cuOPoI7WApyhBElTTb9oqsawRvZ0rHhaHwghRLlTuffoD1B2aDemlCruLeZrUIIdvG7gs9xeELEPm6PhuASqrg==",
+      "license": "MIT"
+    },
     "node_modules/is-binary-path": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
diff --git a/package.json b/package.json
index 65a3ea8..7e16de6 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
     "@vue-flow/core": "^1.48.1",
     "@vue-flow/node-resizer": "^1.5.0",
     "axios": "^1.6.7",
+    "html-to-image": "^1.11.13",
     "lucide-vue-next": "^0.322.0",
     "vue": "^3.4.15"
   },
diff --git a/src/App.vue b/src/App.vue
index 6bb2389..c93dac6 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,9 +1,31 @@
 <script setup lang="ts">
-import { ref, reactive, h } from 'vue'
-import { Sparkles, Search, Folder, Monitor, BookOpen, Code, Sun, Globe, LogIn, Plus, MousePointer2, Zap, ArrowRight, RefreshCw, Image as ImageIcon } from 'lucide-vue-next'
+import { ref, reactive, h, watch, computed } from 'vue'
+import {
+    Sparkles,
+    Search,
+    Folder,
+    Monitor,
+    BookOpen,
+    Code,
+    Sun,
+    Globe,
+    LogIn,
+    Plus,
+    MousePointer2,
+    Zap,
+    ArrowRight,
+    RefreshCw,
+    Image as ImageIcon,
+    Download,
+    Settings,
+    Palette,
+    Grid3X3,
+    Trash2
+} from 'lucide-vue-next'
 import { VueFlow, useVueFlow, Position, MarkerType } from '@vue-flow/core'
 import { Background, BackgroundVariant } from '@vue-flow/background'
 import { Controls } from '@vue-flow/controls'
+import { toPng } from 'html-to-image'
 
 // 导入 VueFlow 样式
 import '@vue-flow/core/dist/style.css'
@@ -13,11 +35,62 @@ import '@vue-flow/core/dist/theme-default.css'
 const API_KEY = import.meta.env.VITE_ZHIPU_AI_API_KEY
 
 // VueFlow 实例
-const { addNodes, addEdges, onConnect, setNodes, setEdges, nodes: flowNodes, edges: flowEdges, updateNode } = useVueFlow()
+const { addNodes, addEdges, onConnect, setNodes, setEdges, nodes: flowNodes, edges: flowEdges, updateNode, fitView } = useVueFlow()
 
 // 状态管理
 const ideaInput = ref('')
 const isLoading = ref(false)
+const hoveredNodeId = ref<string | null>(null)
+const focusedNodeId = ref<string | null>(null)
+
+// 计算当前是否有节点处于“活跃”状态（被聚焦、悬停或正在生成）
+const activeNodeId = computed(() => {
+    const expandingNode = flowNodes.value.find(n => n.data.isExpanding)
+    return expandingNode?.id || focusedNodeId.value || hoveredNodeId.value
+})
+
+// 画布配置
+const config = reactive({
+    edgeColor: '#fed7aa',
+    edgeStyle: 'smoothstep',
+    backgroundVariant: BackgroundVariant.Lines,
+    showControls: true
+})
+
+// 监听配置变化更新现有连线
+watch(
+    () => config.edgeColor,
+    newColor => {
+        setEdges(
+            flowEdges.value.map(edge => ({
+                ...edge,
+                style: { ...edge.style, stroke: newColor }
+            }))
+        )
+    }
+)
+
+/**
+ * 导出为图片
+ */
+const exportImage = async () => {
+    const el = document.querySelector('.vue-flow') as HTMLElement
+    if (!el) return
+
+    try {
+        const dataUrl = await toPng(el, {
+            backgroundColor: '#ffffff',
+            quality: 1,
+            pixelRatio: 2
+        })
+        const link = document.createElement('a')
+        link.download = `thinkflow-${Date.now()}.png`
+        link.href = dataUrl
+        link.click()
+    } catch (err) {
+        console.error('Export failed:', err)
+    }
+}
 
 /**
  * 调用智谱AI生成图片
@@ -55,13 +128,18 @@ const generateNodeImage = async (nodeId: string, prompt: string) => {
 /**
  * 调用智谱AI生成思维发散节点
  */
-const expandIdea = async (param?: any) => {
+const expandIdea = async (param?: any, customInput?: string) => {
     // 判断是点击了节点上的按钮还是主输入框
     const parentNode = param && param.id ? param : undefined
-    const text = parentNode ? parentNode.data.label : ideaInput.value
+    const text = customInput || (parentNode ? parentNode.data.label : ideaInput.value)
 
-    if (!text || isLoading.value) return
-    isLoading.value = true
+    if (!text || (parentNode ? parentNode.data.isExpanding : isLoading.value)) return
+
+    if (parentNode) {
+        updateNode(parentNode.id, { data: { ...parentNode.data, isExpanding: true } })
+    } else {
+        isLoading.value = true
+    }
 
     // 如果是第一次生成，清空画布
     if (!parentNode) {
@@ -69,9 +147,45 @@ const expandIdea = async (param?: any) => {
         setEdges([])
     }
 
-    const systemPrompt = `你是一个思维发散专家。给定一个想法，请将其发散出 3-5 个更深层或相关维度的子想法。
-    每个子想法包含：简短的名称 (text) 和 极简的描述 (description)。
-    返回格式必须为 JSON: { "nodes": [ { "text": "...", "description": "..." } ] }`
+    const systemPrompt = `你是一个思维发散助手，帮助用户将想法逐层展开，构建思维树。
+
+工作流程：
+1. 用户给出一个初始想法（或选择一个已有节点继续追问）。
+2. 你根据当前想法和已有对话历史，生成 3-5 个更深层或相关维度的子想法。
+3. 每个子想法包含简短名称和极简描述。
+4. 如果用户的问题明显是针对某个已有节点的追问，请结合上下文做针对性发散。
+
+返回格式必须为严格 JSON：
+{
+  "nodes": [
+    { "text": "子想法1名称", "description": "一句话描述" },
+    { "text": "子想法2名称", "description": "一句话描述" }
+  ]
+}
+
+示例：
+用户："年夜饭推荐"
+你返回：{
+  "nodes": [
+    { "text": "传统年菜", "description": "饺子、鱼、年糕等经典菜谱" },
+    { "text": "创新年菜", "description": "融合中西风格的新式年夜饭" },
+    { "text": "素食年夜饭", "description": "适合素食者的丰盛菜单" },
+    { "text": "快手年夜饭", "description": "省时省力又显丰盛的方案" }
+  ]
+}
+
+当用户追问时（例如用户说："详细说说传统年菜"），你结合上下文发散出更细的子节点：
+{
+  "nodes": [
+    { "text": "北方饺子", "description": "多种馅料与蘸料搭配" },
+    { "text": "清蒸鱼", "description": "寓意年年有余的做法与选鱼技巧" },
+    { "text": "年糕甜品", "description": "不同地区的甜味或咸味年糕" }
+  ]
+}
+
+注意：只返回 JSON，不附加解释。`
+
+    const userMessage = parentNode && customInput ? `核心想法: ${parentNode.data.label}\n用户追问: ${customInput}` : text
 
     try {
         const response = await fetch('https://open.bigmodel.cn/api/paas/v4/chat/completions', {
@@ -84,7 +198,7 @@ const expandIdea = async (param?: any) => {
                 model: 'glm-4-flash',
                 messages: [
                     { role: 'system', content: systemPrompt },
-                    { role: 'user', content: text }
+                    { role: 'user', content: userMessage }
                 ],
                 response_format: { type: 'json_object' },
                 temperature: 0.8
@@ -106,7 +220,9 @@ const expandIdea = async (param?: any) => {
                 id: rootId,
                 type: 'window',
                 position: { x: startX, y: startY },
-                data: { label: text, description: '核心想法', type: 'root' }
+                data: { label: text, description: '核心想法', type: 'root' },
+                sourcePosition: Position.Right,
+                targetPosition: Position.Left
             })
 
             // 为后续子节点计算位置
@@ -117,21 +233,27 @@ const expandIdea = async (param?: any) => {
     } catch (error) {
         console.error('Expansion Error:', error)
     } finally {
-        isLoading.value = false
+        if (parentNode) {
+            updateNode(parentNode.id, { data: { ...parentNode.data, isExpanding: false, followUp: '' } })
+        } else {
+            isLoading.value = false
+        }
     }
 }
 
 const processSubNodes = (subNodes: any[], parentId: string, baseX: number, baseY: number) => {
     subNodes.forEach((item: any, index: number) => {
         const childId = `node-${Date.now()}-${index}`
-        const offsetX = 400
-        const offsetY = (index - (subNodes.length - 1) / 2) * 250
+        const offsetX = 450
+        const offsetY = (index - (subNodes.length - 1) / 2) * 280
 
         addNodes({
             id: childId,
             type: 'window',
             position: { x: baseX + offsetX, y: baseY + offsetY },
-            data: { label: item.text, description: item.description, type: 'child' }
+            data: { label: item.text, description: item.description, type: 'child' },
+            sourcePosition: Position.Right,
+            targetPosition: Position.Left
         })
 
         addEdges({
@@ -139,7 +261,7 @@ const processSubNodes = (subNodes: any[], parentId: string, baseX: number, baseY
             source: parentId,
             target: childId,
             animated: true,
-            style: { stroke: '#fed7aa', strokeWidth: 2 },
+            style: { stroke: config.edgeColor, strokeWidth: 2 },
             markerEnd: MarkerType.ArrowClosed
         })
     })
@@ -154,42 +276,57 @@ const startNewSession = () => {
 
 <template>
     <div class="h-screen w-screen bg-white font-mono text-slate-800 relative overflow-hidden flex flex-col selection:bg-orange-100">
-        <!-- 顶部导航栏 -->
-        <nav class="flex-none bg-white/80 backdrop-blur-md border-b border-slate-200 px-6 py-2 flex items-center justify-between shadow-sm z-50">
+        <!-- 顶部导航栏 (工具栏) -->
+        <nav class="flex-none bg-white/80 backdrop-blur-md border-b border-slate-200 px-6 py-3 flex items-center justify-between shadow-sm z-50">
             <div class="flex items-center gap-6">
+                <div class="flex items-center gap-2 mr-4">
+                    <div class="w-3 h-3 bg-orange-500 rounded-sm rotate-45"></div>
+                    <span class="font-black text-slate-900 tracking-tighter text-lg">ThinkFlow</span>
+                </div>
+
+                <div class="h-6 w-[1px] bg-slate-200 mx-2"></div>
+
+                <!-- 工具按钮组 -->
                 <div class="flex items-center gap-2">
-                    <div class="w-2.5 h-2.5 bg-emerald-400 rounded-full animate-pulse"></div>
-                    <span class="text-slate-400">ready</span>
-                    <span class="text-slate-300 mx-1">~/</span>
-                    <span class="font-bold text-slate-900 tracking-tight">ThinkFlow AI</span>
-                    <span class="w-1.5 h-5 bg-orange-200 ml-1"></span>
+                    <!-- 重置画布 -->
+                    <button @click="startNewSession" class="toolbar-btn text-red-500 hover:bg-red-50 border-red-100" title="Reset Canvas">
+                        <Trash2 class="w-4 h-4" />
+                        <span>RESET</span>
+                    </button>
+
+                    <div class="h-4 w-[1px] bg-slate-100 mx-1"></div>
+
+                    <!-- 连线颜色 -->
+                    <div class="flex items-center gap-2 px-3 py-1.5 bg-slate-50 rounded-lg border border-slate-100">
+                        <Palette class="w-3.5 h-3.5 text-slate-400" />
+                        <input type="color" v-model="config.edgeColor" class="w-4 h-4 rounded cursor-pointer bg-transparent border-none" />
+                        <span class="text-[10px] font-bold text-slate-500 uppercase">Edge</span>
+                    </div>
+
+                    <!-- 背景样式 -->
+                    <select v-model="config.backgroundVariant" class="toolbar-select">
+                        <option :value="BackgroundVariant.Lines">LINES</option>
+                        <option :value="BackgroundVariant.Dots">DOTS</option>
+                    </select>
+
+                    <div class="h-4 w-[1px] bg-slate-100 mx-1"></div>
+
+                    <!-- 导出图片 -->
+                    <button @click="exportImage" class="toolbar-btn text-emerald-600 hover:bg-emerald-50 border-emerald-100">
+                        <Download class="w-4 h-4" />
+                        <span>EXPORT</span>
+                    </button>
                 </div>
             </div>
 
-            <div class="hidden lg:flex items-center gap-2">
-                <button class="nav-btn group">
-                    <span class="text-orange-500 font-bold">$</span>
-                    <span class="text-slate-600">ai</span>
-                    <span class="text-slate-300 ml-1">--search</span>
-                </button>
-                <button class="nav-btn">
-                    <span class="text-emerald-500 font-bold">$</span>
-                    <span class="text-slate-600">cd</span>
-                    <span class="text-slate-300 ml-1">/categories</span>
-                </button>
-                <button class="nav-btn">
-                    <span class="text-blue-500 font-bold">$</span>
-                    <span class="text-slate-600">watch</span>
-                    <span class="font-bold ml-1">stats</span>
-                </button>
-                <div class="h-4 w-[1px] bg-slate-200 mx-2"></div>
+            <div class="flex items-center gap-3">
                 <button class="p-2 hover:bg-slate-100 rounded-md transition-colors text-slate-400 font-bold text-xs flex items-center gap-1">
                     <Globe class="w-3.5 h-3.5" /> ZH
                 </button>
                 <button
-                    class="flex items-center gap-2 px-4 py-1.5 bg-emerald-50 text-emerald-600 rounded-md text-xs font-bold border border-emerald-100 hover:bg-emerald-100 transition-all"
+                    class="flex items-center gap-2 px-4 py-2 bg-slate-900 text-white rounded-xl text-xs font-black tracking-widest hover:bg-slate-800 transition-all shadow-lg shadow-slate-200"
                 >
-                    <span class="text-emerald-500">$</span> 登录 <LogIn class="w-3.5 h-3.5 ml-1" />
+                    SIGN IN <LogIn class="w-3.5 h-3.5 ml-1" />
                 </button>
             </div>
         </nav>
@@ -197,20 +334,32 @@ const startNewSession = () => {
         <!-- 主内容区：VueFlow 画布 -->
         <div class="flex-grow relative">
             <VueFlow :default-edge-options="{ type: 'smoothstep' }" :fit-view-on-init="true" class="bg-white">
-                <Background :variant="BackgroundVariant.Lines" pattern-color="#f2f2f2" :gap="24" :size="0.5" />
-                <Controls />
+                <Background :variant="config.backgroundVariant" pattern-color="#f2f2f2" :gap="24" :size="0.5" />
+                <Controls v-if="config.showControls" />
 
                 <!-- 自定义节点插槽 -->
                 <template #node-window="{ id, data }">
-                    <div class="window-node group">
+                    <div
+                        class="window-node group transition-all duration-500"
+                        :class="{
+                            'opacity-20 grayscale-[0.5] blur-[0.5px] scale-[0.98]': activeNodeId && activeNodeId !== id,
+                            'opacity-100 grayscale-0 blur-0 scale-105 z-50': activeNodeId === id
+                        }"
+                        :style="{
+                            borderColor: data.isExpanding || activeNodeId === id ? config.edgeColor : '',
+                            boxShadow: activeNodeId === id ? `0 20px 50px -12px ${config.edgeColor}40` : ''
+                        }"
+                        @mouseenter="hoveredNodeId = id"
+                        @mouseleave="hoveredNodeId = null"
+                    >
                         <!-- Window Header -->
-                        <div class="window-header">
+                        <div class="window-header" :style="{ backgroundColor: data.isExpanding || activeNodeId === id ? config.edgeColor + '10' : '' }">
                             <div class="flex gap-1.5">
-                                <div class="w-2 h-2 rounded-full bg-red-400/80"></div>
+                                <div class="w-2 h-2 rounded-full" :style="{ backgroundColor: data.isExpanding || activeNodeId === id ? config.edgeColor : '#f87171' }"></div>
                                 <div class="w-2 h-2 rounded-full bg-amber-400/80"></div>
                                 <div class="w-2 h-2 rounded-full bg-emerald-400/80"></div>
                             </div>
-                            <span class="window-title">
+                            <span class="window-title" :style="{ color: data.isExpanding || activeNodeId === id ? config.edgeColor : '' }">
                                 {{ data.type === 'root' ? 'main.ts' : 'module.tsx' }}
                             </span>
                         </div>
@@ -238,7 +387,7 @@ const startNewSession = () => {
                             </div>
 
                             <div class="flex items-center gap-2 mb-2">
-                                <span class="text-orange-500 font-bold">></span>
+                                <span class="font-bold" :style="{ color: config.edgeColor }">></span>
                                 <h3 class="font-black text-slate-900 tracking-tight truncate">{{ data.label }}</h3>
                             </div>
                             <p class="text-[10px] text-slate-500 leading-relaxed font-medium line-clamp-3">
@@ -246,29 +395,51 @@ const startNewSession = () => {
                             </p>
 
                             <!-- Node Actions -->
-                            <div class="pt-3 mt-3 border-t border-slate-50 flex items-center justify-between gap-2">
-                                <div class="flex items-center gap-1.5 shrink-0">
-                                    <div class="w-1.5 h-1.5 rounded-full bg-emerald-400 animate-pulse"></div>
-                                    <span class="text-[9px] font-bold text-slate-400 uppercase tracking-tighter">active</span>
+                            <div class="pt-3 mt-3 border-t border-slate-50">
+                                <div class="flex items-center justify-between mb-3">
+                                    <div class="flex items-center gap-1.5 shrink-0">
+                                        <div class="w-1.5 h-1.5 rounded-full animate-pulse" :style="{ backgroundColor: data.isExpanding ? config.edgeColor : '#34d399' }"></div>
+                                        <span class="text-[9px] font-bold text-slate-400 uppercase tracking-tighter">{{ data.isExpanding ? 'Expanding' : 'active' }}</span>
+                                    </div>
+
+                                    <div class="flex items-center gap-2">
+                                        <button
+                                            v-if="!data.imageUrl && !data.isImageLoading"
+                                            @click.stop="generateNodeImage(id, data.label)"
+                                            class="action-btn text-blue-500 hover:bg-blue-50"
+                                        >
+                                            <ImageIcon class="w-2.5 h-2.5" />
+                                            <span>IMG</span>
+                                        </button>
+                                    </div>
                                 </div>
 
-                                <div class="flex items-center gap-2 overflow-hidden">
-                                    <button
-                                        v-if="!data.imageUrl && !data.isImageLoading"
-                                        @click.stop="generateNodeImage(id, data.label)"
-                                        class="action-btn text-blue-500 hover:bg-blue-50"
+                                <!-- Follow-up Input -->
+                                <div class="relative group/input">
+                                    <div
+                                        class="flex items-center gap-2 bg-slate-50 rounded-lg px-2.5 py-2 border border-slate-100 focus-within:bg-white transition-all"
+                                        :style="{ borderColor: data.followUp || focusedNodeId === id ? config.edgeColor : '' }"
                                     >
-                                        <ImageIcon class="w-2.5 h-2.5" />
-                                        <span>IMG</span>
-                                    </button>
-
-                                    <button
-                                        @click.stop="expandIdea({ id, data, position: flowNodes.find(n => n.id === id)?.position })"
-                                        class="action-btn text-orange-500 hover:bg-orange-50"
-                                    >
-                                        <ArrowRight class="w-2.5 h-2.5" />
-                                        <span>EXPAND</span>
-                                    </button>
+                                        <span class="font-black text-[10px] select-none" :style="{ color: config.edgeColor }">$</span>
+                                        <input
+                                            v-model="data.followUp"
+                                            @focus="focusedNodeId = id"
+                                            @blur="focusedNodeId = null"
+                                            @keyup.enter="expandIdea({ id, data, position: flowNodes.find(n => n.id === id)?.position }, data.followUp)"
+                                            placeholder="Ask a follow-up..."
+                                            class="bg-transparent border-none outline-none text-[10px] font-bold text-slate-700 flex-grow placeholder:text-slate-300"
+                                            :disabled="data.isExpanding"
+                                        />
+                                        <button
+                                            @click.stop="expandIdea({ id, data, position: flowNodes.find(n => n.id === id)?.position }, data.followUp)"
+                                            :disabled="!data.followUp?.trim() || data.isExpanding"
+                                            class="transition-all transform active:scale-90"
+                                            :style="{ color: data.followUp?.trim() ? config.edgeColor : '#cbd5e1' }"
+                                        >
+                                            <RefreshCw v-if="data.isExpanding" class="w-3.5 h-3.5 animate-spin" />
+                                            <ArrowRight v-else class="w-3.5 h-3.5" />
+                                        </button>
+                                    </div>
                                 </div>
                             </div>
                         </div>
@@ -288,36 +459,50 @@ const startNewSession = () => {
         </div>
 
         <!-- 底部全局操作栏 -->
-        <div class="fixed bottom-10 left-1/2 -translate-x-1/2 z-50 flex items-center gap-4">
-            <!-- 核心输入框 -->
+        <div class="fixed bottom-12 left-1/2 -translate-x-1/2 z-50 flex flex-col items-center gap-4">
+            <!-- 路径提示 (参考图片风格) -->
             <div
-                class="bg-slate-900 rounded-2xl p-2 pl-6 flex items-center gap-4 shadow-2xl shadow-slate-300 border border-slate-800 w-[600px] group transition-all focus-within:ring-2 focus-within:ring-orange-500/20"
+                class="flex items-center gap-2 px-4 py-1.5 bg-white/90 backdrop-blur-md border border-slate-200 rounded-lg shadow-sm self-start ml-2 mb-[-8px] z-10 scale-90 origin-bottom-left"
             >
-                <span class="text-orange-500 font-black text-xl select-none">></span>
-                <input
-                    v-model="ideaInput"
-                    @keyup.enter="expandIdea"
-                    placeholder="Input your idea to expand..."
-                    class="bg-transparent border-none outline-none text-white placeholder:text-slate-500 flex-grow font-bold tracking-tight"
-                />
-                <button
-                    @click="expandIdea"
-                    :disabled="isLoading"
-                    class="p-3 bg-orange-500 hover:bg-orange-600 text-white rounded-xl transition-all active:scale-90 disabled:opacity-50"
-                >
-                    <Zap v-if="!isLoading" class="w-5 h-5" />
-                    <RefreshCw v-else class="w-5 h-5 animate-spin" />
-                </button>
+                <span class="text-emerald-500 font-bold">$</span>
+                <span class="text-slate-400 text-xs font-bold">pwd:</span>
+                <span class="text-slate-300 text-xs">~ /</span>
+                <span class="text-slate-600 text-xs font-bold">think-flow</span>
             </div>
 
-            <!-- 清空按钮 -->
-            <button
-                @click="startNewSession"
-                class="bg-white text-slate-900 p-4 rounded-2xl shadow-2xl border border-slate-200 hover:bg-slate-50 transition-all active:scale-95 group"
-                title="Clear Canvas"
-            >
-                <Plus class="w-6 h-6 group-hover:rotate-90 transition-transform text-slate-400" />
-            </button>
+            <div class="flex items-center gap-3">
+                <!-- 核心输入框容器 -->
+                <div
+                    class="bg-white rounded-2xl p-1.5 flex items-center gap-3 shadow-2xl shadow-slate-200 border border-slate-200 w-[640px] group transition-all focus-within:ring-4 focus-within:ring-orange-500/5 focus-within:border-orange-200"
+                >
+                    <div class="flex items-center gap-3 pl-4 flex-grow">
+                        <span class="text-orange-500 font-black text-lg select-none">$</span>
+                        <input
+                            v-model="ideaInput"
+                            @keyup.enter="expandIdea"
+                            placeholder="Type your idea and press Enter..."
+                            class="bg-transparent border-none outline-none text-slate-800 placeholder:text-slate-300 flex-grow font-bold tracking-tight text-sm"
+                        />
+                    </div>
+
+                    <div class="flex items-center gap-1 pr-1">
+                        <button
+                            @click="expandIdea"
+                            :disabled="isLoading || !ideaInput.trim()"
+                            class="flex items-center gap-2 px-4 py-2.5 bg-slate-900 hover:bg-slate-800 text-white rounded-xl transition-all active:scale-95 disabled:opacity-20 disabled:grayscale disabled:cursor-not-allowed group/btn"
+                        >
+                            <span class="text-[10px] font-black tracking-widest uppercase mr-1">Execute</span>
+                            <Zap v-if="!isLoading" class="w-4 h-4 text-orange-400 group-hover/btn:scale-110 transition-transform" />
+                            <RefreshCw v-else class="w-4 h-4 animate-spin" />
+                        </button>
+                    </div>
+                </div>
+
+                <!-- 底部按钮组 (仅保留核心功能) -->
+                <div class="flex items-center gap-2">
+                    <!-- 这里可以根据需要放一些其他快捷按钮 -->
+                </div>
+            </div>
         </div>
     </div>
 </template>
@@ -335,6 +520,18 @@ body {
     font-family: 'JetBrains Mono', monospace;
 }
 
+.toolbar-btn {
+    @apply flex items-center gap-2 px-3 py-1.5 bg-white border border-slate-200 rounded-lg text-[10px] font-black tracking-widest transition-all active:scale-95 uppercase;
+}
+
+.toolbar-btn:hover {
+    @apply border-current shadow-sm;
+}
+
+.toolbar-select {
+    @apply px-3 py-1.5 bg-slate-50 border border-slate-100 rounded-lg text-[10px] font-black tracking-widest text-slate-500 outline-none cursor-pointer hover:border-slate-200 transition-all uppercase;
+}
+
 .nav-btn {
     @apply flex items-center gap-1 px-3 py-1 bg-white border border-slate-200 rounded-md text-xs font-medium text-slate-600 hover:border-slate-300 hover:shadow-sm transition-all;
 }