feat: 实现邮箱验证码登录和腾讯云SES集成

- 实现邮箱验证码登录功能，支持自动注册新用户
- 修复验证码生成逻辑，确保前后端验证码一致
- 添加腾讯云SES webhook回调接口，支持6种邮件事件
- 配置ngrok内网穿透支持，允许外部访问
- 优化登录页面UI，采用全屏背景和居中布局
- 清理调试代码和未使用的导入
- 添加完整的配置文档和测试脚本

demo/frontend/src/views/Welcome.vue

@@ -5,10 +5,10 @@
       <div class="navbar-content">
         <div class="logo">Logo</div>
         <nav class="nav-links">
-          <a href="#" class="nav-link">文生视频</a>
-          <a href="#" class="nav-link">图生视频</a>
-          <a href="#" class="nav-link">分镜视频</a>
-          <a href="#" class="nav-link">订阅套餐</a>
+          <a href="#" class="nav-link" @click="scrollToSection('features')">文生视频</a>
+          <a href="#" class="nav-link" @click="scrollToSection('features')">图生视频</a>
+          <a href="#" class="nav-link" @click="scrollToSection('features')">分镜视频</a>
+          <a href="#" class="nav-link" @click="scrollToSection('features')">订阅套餐</a>
         </nav>
         <button class="nav-button" @click="goToLogin">开始体验</button>
       </div>
@@ -24,10 +24,35 @@
           <span class="bright-text">灵感</span><span class="fade-text">变现。</span>
         </span>
       </h1>
+      <p class="subtitle">使用邮箱验证码登录，安全便捷</p>
       <button class="main-button" @click="goToLogin">立即体验</button>
     </main>
 
-    <!-- 背景光影效果已删除 -->
+    <!-- 功能说明 -->
+    <section id="features" class="features-section">
+      <div class="features-container">
+        <h2 class="features-title">核心功能</h2>
+        <div class="features-grid">
+          <div class="feature-card">
+            <h3>文生视频</h3>
+            <p>输入文字描述，AI自动生成高质量视频内容</p>
+          </div>
+          <div class="feature-card">
+            <h3>图生视频</h3>
+            <p>上传图片，AI智能分析并生成动态视频</p>
+          </div>
+          <div class="feature-card">
+            <h3>分镜视频</h3>
+            <p>专业分镜制作，打造电影级视频效果</p>
+          </div>
+          <div class="feature-card">
+            <h3>订阅套餐</h3>
+            <p>灵活的价格方案，满足不同创作需求</p>
+          </div>
+        </div>
+        <button class="features-button" @click="goToLogin">开始创作</button>
+      </div>
+    </section>
   </div>
 </template>
 
@@ -40,6 +65,14 @@ const router = useRouter()
 const goToLogin = () => {
   router.push('/login')
 }
+
+// 滚动到功能说明部分
+const scrollToSection = (sectionId) => {
+  const element = document.getElementById(sectionId)
+  if (element) {
+    element.scrollIntoView({ behavior: 'smooth' })
+  }
+}
 </script>
 
 <style scoped>
@@ -148,6 +181,14 @@ const goToLogin = () => {
   align-items: center;
 }
 
+.subtitle {
+  font-size: 1.2rem;
+  color: rgba(255, 255, 255, 0.8);
+  margin-bottom: 40px;
+  font-weight: 400;
+  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
+}
+
 .title-line {
   display: block;
   text-align: center;
@@ -228,4 +269,82 @@ const goToLogin = () => {
     font-size: 16px;
   }
 }
+
+/* 功能说明部分 */
+.features-section {
+  background: rgba(0, 0, 0, 0.8);
+  padding: 80px 20px;
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.features-container {
+  max-width: 1200px;
+  width: 100%;
+  text-align: center;
+}
+
+.features-title {
+  font-size: 3rem;
+  color: white;
+  margin-bottom: 60px;
+  font-weight: 700;
+  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
+}
+
+.features-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+  gap: 30px;
+  margin-bottom: 60px;
+}
+
+.feature-card {
+  background: rgba(255, 255, 255, 0.1);
+  backdrop-filter: blur(10px);
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  border-radius: 20px;
+  padding: 40px 30px;
+  transition: all 0.3s ease;
+}
+
+.feature-card:hover {
+  transform: translateY(-10px);
+  background: rgba(255, 255, 255, 0.15);
+  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
+}
+
+.feature-card h3 {
+  font-size: 1.5rem;
+  color: white;
+  margin-bottom: 15px;
+  font-weight: 600;
+}
+
+.feature-card p {
+  color: rgba(255, 255, 255, 0.8);
+  line-height: 1.6;
+  font-size: 1rem;
+}
+
+.features-button {
+  background: linear-gradient(135deg, #4A9EFF 0%, #6B73FF 100%);
+  color: white;
+  border: none;
+  padding: 18px 40px;
+  font-size: 1.1rem;
+  font-weight: 600;
+  border-radius: 50px;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  box-shadow: 0 10px 30px rgba(74, 158, 255, 0.3);
+}
+
+.features-button:hover {
+  background: linear-gradient(135deg, #6B73FF 0%, #4A9EFF 100%);
+  transform: translateY(-3px);
+  box-shadow: 0 15px 40px rgba(74, 158, 255, 0.4);
+}
 </style>