feat: AI 助手支持文字/语音双模式

- 头部新增模式切换（文字/语音），文字=对话框，语音=语音交互按钮
- 语音模式：大麦克风按钮 + 聆听波纹动画 + 识别中状态，点击开始/再次点击结束
- 优先使用 Web Speech API 识别（zh-CN），无权限/不支持时自动兜底模拟识别
- 语音提问以文字形式进入同一对话流，气泡带「语音」标记
- 切换模式保留对话历史；聆听中切换/离开自动中止识别
- 新增 microphone/microphone-filled/microphone-off/message-circle 图标

src/components/AiChatPanel.jsx

@@ -3,7 +3,9 @@ import Icon from './Icons';
 
 /* =========================================================
    AI 智能助手对话面板（共享）—— 遵循 bd- 浅色科技 UI 规范
-   左侧对话区：消息流 + 快捷提问 + 输入发送（模拟园区知识库回复）
+   两种交互模式：
+   · 文字对话：消息流 + 快捷提问 + 输入发送
+   · 语音对话：语音交互按钮（聆听 → 识别 → 以文字进入对话流）
    ========================================================= */
 
 /* ---------- 快捷提问 ---------- */
@@ -15,8 +17,19 @@ const QUICK_QUESTIONS = [
   '三个分区有什么区别？',
 ];
 
+/* 语音识别兜底题库（无麦克风权限 / 环境不支持时模拟识别） */
+const VOICE_SAMPLES = [
+  '如何申请入驻园区？',
+  '园区有哪些政策扶持？',
+  '办公场地怎么收费？',
+  'AI 赋能服务有哪些？',
+  '三个分区有什么区别？',
+  '园区有哪些入驻企业？',
+  '怎么联系创业导师？',
+];
+
 /* ---------- 园区知识库（模拟回复） ---------- */
-const WELCOME = '您好，我是 OPC 园区 AI 智能助手。\n\n我可以为您解答入驻流程、政策扶持、场地服务、AI 赋能、企业名录等问题。您也可以点击下方快捷提问，或直接输入问题。';
+const WELCOME = '您好，我是 OPC 园区 AI 智能助手。\n\n我可以为您解答入驻流程、政策扶持、场地服务、AI 赋能、企业名录等问题。您可以在「文字」模式输入问题，或切换到「语音」模式直接说话提问。';
 
 const RULES = [
   {
@@ -56,8 +69,8 @@ const RULES = [
     reply: '园区配备创业导师 58 位，提供全周期孵化服务：\n\n· 一对一辅导：创业导师定期坐诊，覆盖商业模式、法律财税、市场营销\n· 培训课程：创业训练营、行业专题沙龙、政策解读会\n· 资源对接：技术、供应链、渠道等产业资源链接\n· 公共服务：工商注册、知识产权、法律咨询一站式代办',
   },
   {
-    match: /你好|您好|hi|hello|嗨|在吗|hello/,
-    reply: '您好！我是 OPC 园区 AI 智能助手。\n\n可以问我：入驻流程、政策扶持、场地收费、AI 赋能、企业名录、融资服务等问题，很高兴为您服务。',
+    match: /你好|您好|hi|hello|嗨|在吗/,
+    reply: '您好！我是 OPC 园区 AI 智能助手。\n\n可以问我：入驻流程、政策扶持、场地收费、AI 赋能、企业名录、融资服务等问题，也可以切换到「语音」模式直接说话提问。',
   },
   {
     match: /谢谢|感谢|好的|明白|ok/,
@@ -78,6 +91,7 @@ function getReply(input) {
 /* ---------- 消息 ---------- */
 let msgId = 0;
 const nextId = () => ++msgId;
+const pick = (arr) => arr[Math.floor(Math.random() * arr.length)];
 
 export default function AiChatPanel() {
   const [msgs, setMsgs] = useState(() => [
@@ -85,22 +99,32 @@ export default function AiChatPanel() {
   ]);
   const [input, setInput] = useState('');
   const [typing, setTyping] = useState(false);
+  const [mode, setMode] = useState('text'); // text | voice
+  const [voiceState, setVoiceState] = useState('idle'); // idle | listening | processing
   const scrollRef = useRef(null);
   const timerRef = useRef(null);
+  const recRef = useRef(null);
 
-  // 新消息自动滚动到底部
+  // 新消息 / 状态变化自动滚动到底部
   useEffect(() => {
     const el = scrollRef.current;
     if (el) el.scrollTop = el.scrollHeight;
-  }, [msgs, typing]);
+  }, [msgs, typing, mode, voiceState]);
 
-  useEffect(() => () => clearTimeout(timerRef.current), []);
+  // 卸载清理：定时器 + 语音识别
+  useEffect(() => {
+    return () => {
+      clearTimeout(timerRef.current);
+      try { recRef.current && recRef.current.abort && recRef.current.abort(); } catch { /* ignore */ }
+    };
+  }, []);
 
-  const send = useCallback((raw) => {
+  /** 生成用户消息并触发 AI 回复 */
+  const send = useCallback((raw, viaVoice = false) => {
     const text = String(raw || '').trim();
     if (!text || typing) return;
     setInput('');
-    setMsgs((prev) => [...prev, { id: nextId(), role: 'me', text }]);
+    setMsgs((prev) => [...prev, { id: nextId(), role: 'me', text, voice: viaVoice }]);
     setTyping(true);
     const reply = getReply(text);
     timerRef.current = setTimeout(() => {
@@ -115,6 +139,105 @@ export default function AiChatPanel() {
     setMsgs([{ id: nextId(), role: 'ai', text: WELCOME }]);
   }, []);
 
+  /* ================= 语音对话 ================= */
+
+  // 供安全兜底定时器读取当前状态
+  const voiceStateRef = useRef(voiceState);
+  useEffect(() => { voiceStateRef.current = voiceState; }, [voiceState]);
+
+  /** 结束聆听：把识别出的文字送入对话流 */
+  const finishVoice = useCallback((text) => {
+    setVoiceState('processing');
+    clearTimeout(timerRef.current);
+    timerRef.current = setTimeout(() => {
+      setVoiceState('idle');
+      send(text, true);
+    }, 450);
+  }, [send]);
+
+  /** 兜底：环境不支持 / 无麦克风时模拟识别 */
+  const fallbackVoice = useCallback(() => {
+    if (recRef.current) { try { recRef.current.abort(); } catch { /* ignore */ } recRef.current = null; }
+    finishVoice(pick(VOICE_SAMPLES));
+  }, [finishVoice]);
+
+  /** 点击语音按钮：idle → 开始聆听；listening → 结束 */
+  const toggleVoice = useCallback(() => {
+    if (voiceState === 'processing') return;
+    if (voiceState === 'listening') {
+      // 用户主动结束：尝试取识别结果，无结果则兜底
+      clearTimeout(timerRef.current);
+      if (recRef.current) {
+        try { recRef.current.stop(); } catch { /* ignore */ }
+      }
+      return; // 由 onend/onerror 或兜底定时器完成收尾
+    }
+    // 开始聆听
+    setVoiceState('listening');
+    const SR = window.SpeechRecognition || window.webkitSpeechRecognition;
+    if (SR) {
+      try {
+        const rec = new SR();
+        rec.lang = 'zh-CN';
+        rec.interimResults = false;
+        rec.maxAlternatives = 1;
+        let done = false;
+        rec.onresult = (e) => {
+          if (done) return;
+          done = true;
+          clearTimeout(timerRef.current);
+          const t = Array.from(e.results).map((r) => r[0].transcript).join(' ');
+          finishVoice(t || pick(VOICE_SAMPLES));
+        };
+        rec.onerror = () => {
+          if (done) return;
+          done = true;
+          clearTimeout(timerRef.current);
+          fallbackVoice();
+        };
+        rec.onend = () => {
+          recRef.current = null;
+          if (!done) {
+            done = true;
+            clearTimeout(timerRef.current);
+            fallbackVoice();
+          }
+        };
+        recRef.current = rec;
+        rec.start();
+        // 安全兜底：4 秒内无结果则模拟（识别静默失败的环境）
+        timerRef.current = setTimeout(() => {
+          if (!done && voiceStateRef.current === 'listening') {
+            done = true;
+            try { rec.abort(); } catch { /* ignore */ }
+            fallbackVoice();
+          }
+        }, 4000);
+        return;
+      } catch { /* 继续走兜底 */ }
+    }
+    // 无 SpeechRecognition：模拟聆听 → 识别
+    timerRef.current = setTimeout(() => {
+      fallbackVoice();
+    }, 1300);
+  }, [voiceState, finishVoice, fallbackVoice]);
+
+  // 切换模式时中止聆听
+  const switchMode = useCallback((m) => {
+    setMode(m);
+    if (voiceState === 'listening') {
+      clearTimeout(timerRef.current);
+      if (recRef.current) { try { recRef.current.abort(); } catch { /* ignore */ } recRef.current = null; }
+      setVoiceState('idle');
+    }
+  }, [voiceState]);
+
+  const voiceHint = {
+    idle: '点击麦克风，说出你的问题',
+    listening: '正在聆听… 请说出你的问题',
+    processing: '正在识别语音…',
+  }[voiceState];
+
   return (
     <section className="bd-chat">
       {/* 头部 */}
@@ -122,7 +245,23 @@ export default function AiChatPanel() {
         <span className="bd-chat-logo"><Icon name="robot" size={17} /></span>
         <div className="bd-chat-titles">
           <b>AI 智能助手</b>
-          <span>OPC 园区知识库 · 随时为您解答</span>
+          <span>OPC 园区知识库 · 文字 / 语音双模式</span>
+        </div>
+        <div className="bd-chat-modes">
+          <button
+            className={mode === 'text' ? 'active' : ''}
+            onClick={() => switchMode('text')}
+            title="文字对话"
+          >
+            <Icon name="message-circle" size={13} />文字
+          </button>
+          <button
+            className={mode === 'voice' ? 'active' : ''}
+            onClick={() => switchMode('voice')}
+            title="语音对话"
+          >
+            <Icon name="microphone" size={13} />语音
+          </button>
         </div>
         <span className="bd-chat-model"><i />DeepSeek-V3</span>
         <button className="bd-chat-clear" title="清空对话" onClick={clear}>
@@ -130,14 +269,19 @@ export default function AiChatPanel() {
         </button>
       </div>
 
-      {/* 消息区 */}
+      {/* 消息区（文字 / 语音共用） */}
       <div className="bd-chat-msgs" ref={scrollRef}>
         {msgs.map((m) => (
           <div className={`bd-msg ${m.role}`} key={m.id}>
             {m.role === 'ai' && (
               <span className="bd-msg-avatar"><Icon name="robot" size={13} /></span>
             )}
-            <div className="bd-msg-bubble">{m.text}</div>
+            <div className="bd-msg-bubble">
+              {m.voice && (
+                <span className="bd-msg-voice-tag"><Icon name="microphone" size={10} />语音</span>
+              )}
+              {m.text}
+            </div>
           </div>
         ))}
         {typing && (
@@ -148,38 +292,65 @@ export default function AiChatPanel() {
         )}
       </div>
 
-      {/* 快捷提问 */}
-      <div className="bd-chat-quick">
-        {QUICK_QUESTIONS.map((q) => (
-          <button key={q} onClick={() => send(q)}>
-            <Icon name="sparkles" size={12} />
-            {q}
-          </button>
-        ))}
-      </div>
+      {/* 文字模式：快捷提问 + 输入区 */}
+      {mode === 'text' && (
+        <>
+          <div className="bd-chat-quick">
+            {QUICK_QUESTIONS.map((q) => (
+              <button key={q} onClick={() => send(q)}>
+                <Icon name="sparkles" size={12} />
+                {q}
+              </button>
+            ))}
+          </div>
+          <div className="bd-chat-input">
+            <input
+              value={input}
+              placeholder="输入你的问题，如：如何申请入驻园区？"
+              onChange={(e) => setInput(e.target.value)}
+              onKeyDown={(e) => {
+                if (e.key === 'Enter' && !e.nativeEvent.isComposing) {
+                  e.preventDefault();
+                  send(input);
+                }
+              }}
+            />
+            <button
+              className="bd-chat-send"
+              disabled={!input.trim() || typing}
+              onClick={() => send(input)}
+              title="发送"
+            >
+              <Icon name="send" size={16} />
+            </button>
+          </div>
+        </>
+      )}
 
-      {/* 输入区 */}
-      <div className="bd-chat-input">
-        <input
-          value={input}
-          placeholder="输入你的问题，如：如何申请入驻园区？"
-          onChange={(e) => setInput(e.target.value)}
-          onKeyDown={(e) => {
-            if (e.key === 'Enter' && !e.nativeEvent.isComposing) {
-              e.preventDefault();
-              send(input);
-            }
-          }}
-        />
-        <button
-          className="bd-chat-send"
-          disabled={!input.trim() || typing}
-          onClick={() => send(input)}
-          title="发送"
-        >
-          <Icon name="send" size={16} />
-        </button>
-      </div>
+      {/* 语音模式：语音交互按钮 */}
+      {mode === 'voice' && (
+        <div className="bd-chat-voice">
+          <div className={`bd-chat-voice-hint ${voiceState}`}>
+            {voiceState === 'listening' && <span className="bd-voice-wave"><i /><i /><i /><i /><i /></span>}
+            {voiceHint}
+          </div>
+          <button
+            className={`bd-chat-mic ${voiceState}`}
+            onClick={toggleVoice}
+            title={voiceState === 'listening' ? '结束并发送' : '开始语音提问'}
+          >
+            {voiceState === 'listening' && <span className="bd-mic-ring r1" />}
+            {voiceState === 'listening' && <span className="bd-mic-ring r2" />}
+            <Icon
+              name={voiceState === 'listening' ? 'microphone-filled' : 'microphone'}
+              size={30}
+            />
+          </button>
+          <div className="bd-chat-voice-tip">
+            {voiceState === 'listening' ? '再次点击结束并发送' : '点击开始说话 · 再次点击结束'}
+          </div>
+        </div>
+      )}
     </section>
   );
 }

src/components/Icons.jsx

@@ -11,6 +11,7 @@ import {
   History, Drone, Plane, Rocket, Satellite, Wallet, UserPlus, Activity,
   Volume, VolumeOff, ChevronLeft, ChevronRight, PlayerPlay, PlayerPause,
   Send, Trash, Eraser, Headset, CircleDot,
+  Microphone, MicrophoneFilled, MicrophoneOff, MessageCircle,
 } from '@appica/icons-react';
 
 /* 名称 → 图标组件映射（推荐的调用方式：icon="bolt"） */
@@ -79,6 +80,10 @@ const NAME_MAP = {
   eraser: Eraser,
   headset: Headset,
   'circle-dot': CircleDot,
+  microphone: Microphone,
+  'microphone-filled': MicrophoneFilled,
+  'microphone-off': MicrophoneOff,
+  'message-circle': MessageCircle,
 };
 
 /**
@@ -112,4 +117,5 @@ export {
   History, Drone, Plane, Rocket, Satellite, Wallet, UserPlus, Activity,
   Volume, VolumeOff, ChevronLeft, ChevronRight, PlayerPlay, PlayerPause,
   Send, Trash, Eraser, Headset, CircleDot,
+  Microphone, MicrophoneFilled, MicrophoneOff, MessageCircle,
 };

src/styles/datascreen.css

@@ -1986,6 +1986,152 @@
   cursor: not-allowed;
   box-shadow: none;
 }
+/* ---------- 模式切换（文字 / 语音） ---------- */
+.bd-chat-modes {
+  display: inline-flex;
+  align-items: center;
+  gap: 2px;
+  padding: 3px;
+  border-radius: 9px;
+  background: rgba(120,160,220,0.12);
+  border: 1px solid rgba(120,160,220,0.18);
+  flex-shrink: 0;
+}
+.bd-chat-modes button {
+  display: inline-flex;
+  align-items: center;
+  gap: 5px;
+  padding: 4px 11px;
+  font-size: 11px;
+  font-weight: 700;
+  color: #64748d;
+  background: transparent;
+  border: none;
+  border-radius: 7px;
+  cursor: pointer;
+  transition: all 0.2s;
+  white-space: nowrap;
+}
+.bd-chat-modes button:hover {
+  color: var(--bd-blue);
+}
+.bd-chat-modes button.active {
+  color: var(--bd-blue);
+  background: rgba(255,255,255,0.9);
+  box-shadow: 0 2px 8px rgba(47,107,255,0.18);
+}
+/* ---------- 语音对话区 ---------- */
+.bd-chat-voice {
+  flex-shrink: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 12px;
+  padding: 14px 16px 18px;
+}
+.bd-chat-voice-hint {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-size: 12px;
+  font-weight: 600;
+  color: #64748d;
+  min-height: 18px;
+  transition: color 0.2s;
+}
+.bd-chat-voice-hint.listening {
+  color: var(--bd-blue);
+}
+.bd-chat-voice-hint.processing {
+  color: var(--bd-orange);
+}
+/* 聆听波形 */
+.bd-voice-wave {
+  display: inline-flex;
+  align-items: center;
+  gap: 3px;
+  height: 14px;
+}
+.bd-voice-wave i {
+  width: 3px;
+  border-radius: 2px;
+  background: var(--bd-blue);
+  animation: bdWave 1s ease-in-out infinite;
+}
+.bd-voice-wave i:nth-child(1) { height: 6px; animation-delay: 0s; }
+.bd-voice-wave i:nth-child(2) { height: 12px; animation-delay: 0.12s; }
+.bd-voice-wave i:nth-child(3) { height: 8px; animation-delay: 0.24s; }
+.bd-voice-wave i:nth-child(4) { height: 13px; animation-delay: 0.36s; }
+.bd-voice-wave i:nth-child(5) { height: 7px; animation-delay: 0.48s; }
+@keyframes bdWave {
+  0%, 100% { transform: scaleY(0.5); opacity: 0.5; }
+  50% { transform: scaleY(1); opacity: 1; }
+}
+/* 语音交互按钮 */
+.bd-chat-mic {
+  position: relative;
+  width: 76px;
+  height: 76px;
+  border: none;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #fff;
+  background: linear-gradient(140deg, var(--bd-blue), var(--bd-cyan));
+  box-shadow: 0 10px 28px rgba(47,107,255,0.32);
+  cursor: pointer;
+  transition: all 0.25s;
+}
+.bd-chat-mic:hover {
+  transform: translateY(-2px) scale(1.03);
+  box-shadow: 0 14px 34px rgba(47,107,255,0.4);
+}
+.bd-chat-mic.listening {
+  background: linear-gradient(140deg, var(--bd-blue-deep), var(--bd-blue));
+  box-shadow: 0 0 0 0 rgba(47,107,255,0.35);
+}
+.bd-chat-mic.processing {
+  background: linear-gradient(140deg, var(--bd-orange), #ffb648);
+  box-shadow: 0 10px 28px rgba(247,144,9,0.3);
+  cursor: default;
+}
+/* 聆听扩散波纹 */
+.bd-mic-ring {
+  position: absolute;
+  inset: 0;
+  border-radius: 50%;
+  border: 2px solid rgba(47,107,255,0.4);
+  animation: bdMicRing 1.5s ease-out infinite;
+  pointer-events: none;
+}
+.bd-mic-ring.r2 {
+  animation-delay: 0.5s;
+}
+@keyframes bdMicRing {
+  0% { transform: scale(1); opacity: 0.8; }
+  100% { transform: scale(1.7); opacity: 0; }
+}
+.bd-chat-voice-tip {
+  font-size: 10.5px;
+  color: #9fb0c6;
+  letter-spacing: 0.03em;
+}
+/* 语音提问消息标记 */
+.bd-msg-voice-tag {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  margin-right: 8px;
+  padding: 1px 7px;
+  font-size: 9.5px;
+  font-weight: 700;
+  letter-spacing: 0.04em;
+  border-radius: 10px;
+  color: rgba(255,255,255,0.92);
+  background: rgba(255,255,255,0.22);
+  vertical-align: 1px;
+}
 /* 移动端/窄屏：消息宽度放开 */
 @media (max-width: 1100px) {
   .bd-msg { max-width: 94%; }