feat: 实现首页，采用玻璃拟态风格并展示仪表盘概览。

src/pages/Home/Home.css

@@ -798,8 +798,91 @@
   cursor: pointer;
   padding: 4px 10px;
   border-radius: var(--radius-full);
-  transition: background 0.2s;
+}
-  background: rgba(var(--color-primary-rgb), 0.1);
+
+/* Floating Action Button (FAB) */
+.fab-voice-btn {
+  position: fixed;
+  bottom: 2rem;
+  right: 2rem;
+  width: 56px;
+  height: 56px;
+  background: linear-gradient(135deg, #f59e0b, #d97706);
+  color: white;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3), 0 2px 4px rgba(0, 0, 0, 0.1);
+  cursor: pointer;
+  z-index: 100;
+  border: none;
+  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
+  animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s backwards;
+}
+
+.fab-voice-btn:hover {
+  transform: scale(1.1) translateY(-2px);
+  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.5);
+}
+
+.fab-voice-btn:active {
+  transform: scale(0.95);
+}
+
+/* Pulse animation for microphone */
+.fab-voice-btn::after {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  border-radius: 50%;
+  border: 2px solid rgba(255, 255, 255, 0.5);
+  opacity: 0;
+  transform: scale(1);
+}
+
+.fab-voice-btn:hover::after {
+  animation: pulse-ring 1.5s infinite;
+}
+
+@keyframes pulse-ring {
+  0% {
+    transform: scale(1);
+    opacity: 0.8;
+  }
+
+  100% {
+    transform: scale(1.5);
+    opacity: 0;
+  }
+}
+
+@keyframes scaleIn {
+  from {
+    transform: scale(0);
+    opacity: 0;
+  }
+
+  to {
+    transform: scale(1);
+    opacity: 1;
+  }
+}
+
+/* 适配移动端 */
+@media (max-width: 600px) {
+  .fab-voice-btn {
+    bottom: 5.5rem;
+    /* Avoid bottom nav if present, or just give space */
+    right: 1.5rem;
+  }
+}
+
+transition: background 0.2s;
+background: rgba(var(--color-primary-rgb), 0.1);
 }
 
 .view-all-link:hover {

src/pages/Home/Home.tsx

@@ -231,6 +231,10 @@ function Home() {
     navigate('/chat');
   };
 
+  const handleVoiceBookkeeping = () => {
+    setVoiceModalOpen(true);
+  };
+
   const handleAIConfirm = () => {
     // 确认后刷新数据
     loadData();
@@ -600,11 +604,11 @@ function Home() {
 
           <button className="action-card ai" onClick={handleAIBookkeeping}>
             <div className="action-icon blur-bg">
-              <Icon icon="solar:microphone-3-bold-duotone" width="24" />
+              <Icon icon="solar:chat-round-line-bold-duotone" width="24" />
             </div>
             <div className="action-info">
-              <span className="action-title">AI 记账</span>
+              <span className="action-title">AI 助手</span>
-              <span className="action-desc">语音或文字智能记账</span>
+              <span className="action-desc">智能对话与分析</span>
             </div>
           </button>
 
@@ -734,6 +738,11 @@ function Home() {
         todaySpend={todaySpend}
         yesterdaySpend={yesterdaySpend}
       />
+
+      {/* Floating Action Button for Voice Input - Feature: voice-bookkeeping-module */}
+      <button className="fab-voice-btn" onClick={handleVoiceBookkeeping} title="语音记账">
+        <Icon icon="solar:microphone-bold-duotone" width="28" />
+      </button>
     </div>
   );
 }