/* 扁平化设计样式文件 */
body {
    font-family: Avenir, 'Open Sans', Arial, '宋体', 'Microsoft YaHei', Helvetica, sans-serif;}
/* 主容器样式 */
.main-container {
    background: #f5f5f5; 
    padding: 60px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.upload-container {
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
    padding: 0;
}

.upload-container .el-main {
    padding: 30px;
}

.result-container {
    margin-top: 30px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    background: #ffffff;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
    padding: 20px;
}

.image-item {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid #e0e0e0;
    background: #ffffff;
}

.image-item:hover {
    border-color: #2196f3;
}

.image-preview {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.image-preview:hover {
    opacity: 0.8;
}

.image-overlay {
    position: absolute;
    top: 8px;
    right: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-item:hover .image-overlay {
    opacity: 1;
}

.image-status {
    position: absolute;
    bottom: 8px;
    left: 8px;
    z-index: 10;
}

.text-result {
  min-height: 200px;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Courier New', monospace;
  line-height: 1.6;
}

.results-list {
    max-height: 600px;
    overflow-y: auto;
}

.result-item {
    margin-bottom: 16px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 8px 0;
}

.empty-result {
    text-align: center;
    padding: 40px 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-container {
        padding: 40px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 15px;
        padding: 15px;
    }
    
    .image-preview {
        height: 100px;
    }
    
    .upload-container .el-main {
        padding: 20px;
    }
    
    .banner {
        padding: 60px 0;
    }
    
    .banner h1 {
        font-size: 2.2rem;
    }
    
    .banner p {
        font-size: 1.1rem;
    }
    
    .feature-intro {
        padding: 60px 0;
    }
    
    .intro-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }
    
    .feature-grid {
        gap: 30px;
        margin-bottom: 40px;
    }
    
    .feature-item {
        padding: 30px 20px;
    }
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* 图片放大模态框样式 */
.image-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none; /* 初始隐藏，防止闪烁 */
  justify-content: center;
  align-items: center;
  z-index: 10000;
  cursor: pointer;
}

/* 当showModal为true时显示模态框 */
.image-modal[style*="display: flex"] {
  display: flex !important;
}

.image-modal img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.app-header {
  background: #ffffff;
  color: #333333; 
  border-bottom: 1px solid #e0e0e0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo-section {
  flex: 1;
  position: relative;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.logo-container:hover {
  transform: translateY(-1px);
}

.app-logo { 
  height: 32px; 
  flex-shrink: 0;
  transition: all 0.3s ease;
  filter: drop-shadow(0 2px 4px rgba(41, 180, 116, 0.2));
}

.logo-container:hover .app-logo {
  transform: scale(1.05) rotate(2deg);
  filter: drop-shadow(0 4px 8px rgba(41, 180, 116, 0.3));
}

.logo-text {
  display: flex;
  flex-direction: column;
  position: relative;
}
 
.logo-container:hover .app-title {
  background: linear-gradient(135deg, #29b474 0%, #1e8e5a 50%, #29b474 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

 
.logo-container:hover .app-subtitle {
  opacity: 1;
  color: #555;
}

/* 添加微妙的动画效果 */
@keyframes logoGlow {
  0%, 100% {
    filter: drop-shadow(0 2px 4px rgba(41, 180, 116, 0.2));
  }
  50% {
    filter: drop-shadow(0 4px 8px rgba(41, 180, 116, 0.4));
  }
}

.logo-container:hover .app-logo {
  animation: logoGlow 2s ease-in-out infinite;
}

/* 响应式设计优化 */
@media (max-width: 768px) {
  .logo-container {
    gap: 12px;
  }
  
  .app-logo {
    height: 28px;
    width: 28px;
  }
  
  .app-title {
    font-size: 20px;
  }
  
  .app-subtitle {
    font-size: 8px;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .app-subtitle {
    display: none;
  }
  
  .app-title {
    font-size: 18px;
  }
}

.nav-section {
  display: flex;
  align-items: center;
}

/* 旧的导航菜单样式已移除，现在使用头部集成菜单 */

/* 扁平化Banner区域样式 */
.banner {
    background: #2196f3;
    padding: 80px 0;
    margin-bottom: 40px;
}

.banner-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.banner-buttons .el-button {
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.banner-buttons .el-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .banner-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .banner-buttons .el-button {
        width: 100%;
        max-width: 280px;
    }
}

.banner .container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.banner h1 {
    color: #ffffff;
    font-size: 2.8rem;
    font-weight: 300;
    margin: 0 0 20px 0;
    letter-spacing: -0.5px;
}

.banner p {
    color: rgba(255,255,255,0.95);
    font-size: 1.3rem;
    margin: 0 0 40px 0;
    font-weight: 300;
    line-height: 1.5;
}

.banner-content {
    max-width: 900px;
    margin: 0 auto;
}

.banner-features {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(255,255,255,0.15);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 400;
    border: 1px solid rgba(255,255,255,0.2);
    transition: background-color 0.2s ease;
}

.feature-tag:hover {
    background: rgba(255,255,255,0.25);
}

/* 简化的过渡效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 扁平化按钮样式 */
.el-button {
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.el-button:hover {
    opacity: 0.9;
}

/* 扁平化卡片样式 */
.el-card {
    border-radius: 6px;
    border: 1px solid #e0e0e0;
    box-shadow: none;
}

.el-card:hover {
    border-color: #2196f3;
}

.el-menu--horizontal {
    border-bottom: none;
}

.el-menu-item {
    font-weight: 500;
    transition: all 0.3s ease;
}

.el-menu-item:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

/* 扁平化功能介绍区域样式 */
.feature-intro {
    background: #fafafa;
    padding: 100px 0;
    margin-top: 0;
}

.feature-intro .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.intro-title {
    text-align: center;
    font-size: 2.4rem;
    color: #333333;
    margin-bottom: 60px;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.feature-item {
    background: #ffffff;
    padding: 50px 40px;
    border-radius: 6px;
    text-align: center;
    border: 1px solid #e0e0e0;
    transition: border-color 0.2s ease;
}

.feature-item:hover {
    border-color: #2196f3;
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 30px;
    color: #2196f3;
}

.feature-item h3 {
    color: #333333;
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: 400;
}

.feature-item p {
    color: #666666;
    line-height: 1.7;
    font-size: 1rem;
}

/* 原有的intro-footer样式已被下方的页脚样式增强版本替代 */

.app-title {
  font-size: 1rem;
  margin: 0;
  font-weight: 600;
  color: #000000;
  display: flex;
  align-items: center;
  gap: 10px;
}
 
.app-subtitle {
  font-size: 0.3em;
  margin: 0;
  color: #666;
  font-weight: 400;
}

/* 头部菜单样式 */
.header-menu {
  background: transparent;
  border: none;
}

.header-menu .el-menu-item {
  color: #5f6368;
  font-weight: 500;
  margin: 0 5px; 
}

.header-menu .el-menu-item:hover {
  background: #f8f9fa;
  color: #1a73e8;
}

.header-menu .el-menu-item.is-active {
  background: #e3f2fd;
  color: #1a73e8;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  color: #5f6368;
  font-size: 1.5em;
  margin-left: 15px;
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  width: 100%;
  background: #fff;
  border-top: 1px solid #e8eaed;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 999;
}

.mobile-menu-open {
  display: block;
}

.mobile-menu-list {
  background: transparent;
  border: none;
  flex-direction: column;
}

.mobile-menu-list .el-menu-item {
  color: #5f6368;
  font-weight: 500;
  padding: 15px 20px;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}

.mobile-menu-list .el-menu-item:hover {
  background: #f8f9fa;
  color: #1a73e8;
}

.mobile-menu-list .el-menu-item.is-active {
  background: #e3f2fd;
  color: #1a73e8;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .header-content {
    position: relative;
  }
  
  .logo-container {
    gap: 8px;
  } 
  .app-title {
    font-size: 16px;
  }
  
  .app-subtitle {
    font-size: 11px;
  }
  
  .logo-section {
    flex: 1;
  }
  
  .app-title {
    font-size: 1.4em;
  }
  
  .app-subtitle {
    font-size: 0.8em;
  }
  
  .header-menu {
    display: none !important;
  }
  
  .mobile-menu-btn {
    display: block !important;
  }
}

/* 桌面端隐藏移动端元素 */
@media (min-width: 769px) {
  .mobile-menu-btn {
    display: none !important;
  }
  
  .mobile-menu,
  .mobile-menu-open {
    display: none !important;
  }
}

/* 扁平化页脚样式 */
.intro-footer {
  background: #333333;
  color: #ffffff;
  padding: 0;
  margin-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  padding: 60px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-section h4 {
  color: #ffc107;
  font-size: 1.2em;
  margin-bottom: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.footer-section p {
  color: #cccccc;
  line-height: 1.6;
  margin-bottom: 15px;
}

.footer-stats {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-item {
  color: #ffc107;
  font-size: 0.9em;
  padding: 5px 0;
  border-left: 3px solid #ffc107;
  padding-left: 10px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #cccccc;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  padding: 5px 0;
}

.footer-links a:hover {
  color: #ffc107;
  transform: translateX(5px);
}

.contact-info p {
  margin-bottom: 10px;
  color: #cccccc;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 15px;
}

.social-link {
  color: #cccccc;
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 5px 0;
  display: inline-block;
}

.social-link:hover {
  color: #ffc107;
  transform: translateX(5px);
}

.footer-bottom {
  background: #0a0a0a;
  border-top: 1px solid #333333;
  padding: 20px 0;
}

.footer-bottom-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom p {
  color: #888888;
  margin: 0;
  font-size: 0.9em;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: #888888;
  text-decoration: none;
  font-size: 0.9em;
  transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
  color: #ffc107;
}

/* 页脚响应式设计 */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    padding: 40px 20px;
    gap: 30px;
  }
  
  .footer-section {
    text-align: center;
  }
  
  .footer-stats {
    align-items: center;
  }
  
  .stat-item {
    border-left: none;
    border-bottom: 2px solid #ffc107;
    padding-left: 0;
    padding-bottom: 5px;
    text-align: center;
  }
  
  .social-links {
    flex-direction: row;
    justify-content: center;
    gap: 15px;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    padding: 0 20px;
  }
  
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

  .pricing-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 40px 20px;
  }
  
  .pricing-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
  }
  
  .pricing-card {
      background: white;
      border-radius: 12px;
      padding: 40px 30px;
      text-align: center;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
  }
  
  .pricing-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  }
  
  .pricing-card.featured {
      border: 3px solid #409EFF;
      transform: scale(1.05);
  }
  
  .pricing-card.featured::before {
      content: attr(data-recommended);
      position: absolute;
      top: -15px;
      left: 50%;
      transform: translateX(-50%);
      background: #409EFF;
      color: white;
      padding: 8px 20px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: bold;
  }
  
  .plan-name {
      font-size: 1.8rem;
      font-weight: 600;
      color: #2c3e50;
      margin-bottom: 10px;
  }
  
  .plan-price {
      font-size: 3rem;
      font-weight: 700;
      color: #409EFF;
      margin-bottom: 5px;
  }
  
  .plan-period {
      color: #7f8c8d;
      margin-bottom: 30px;
  }
  
  .feature-list {
      list-style: none;
      padding: 0;
      margin-bottom: 30px;
  }
  
  .feature-list li {
      padding: 8px 0;
      color: #2c3e50;
      border-bottom: 1px solid #ecf0f1;
  }
  
  .feature-list li:last-child {
      border-bottom: none;
  }
  
  .feature-list li::before {
      content: "✓";
      color: #27ae60;
      font-weight: bold;
      margin-right: 10px;
  }
  
  .btn-select {
      width: 100%;
      padding: 12px;
      font-size: 1.1rem;
      font-weight: 600;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: all 0.3s ease;
  }
  
  .btn-free {
      background: #95a5a6;
      color: white;
  }
  
  .btn-free:hover {
      background: #7f8c8d;
  }
  
  .btn-pro {
      background: #409EFF;
      color: white;
  }
  
  .btn-pro:hover {
      background: #337ecc;
  }
  
  .btn-enterprise {
      background: #e74c3c;
      color: white;
  }
  
  .btn-enterprise:hover {
      background: #c0392b;
  }
  
  .faq-section {
      margin-top: 60px;
      padding-top: 40px;
      border-top: 2px solid #ecf0f1;
  }
  
  .faq-title {
      text-align: center;
      font-size: 2.2rem;
      font-weight: 600;
      color: #2c3e50;
      margin-bottom: 40px;
  }
  
  .faq-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
  }
  
  .faq-drawer-content .el-collapse {
      border: none;
  }
  
  .faq-drawer-content .el-collapse-item {
      margin-bottom: 10px;
      border: 1px solid #e4e7ed;
      border-radius: 8px;
      overflow: hidden;
  }
  
  .faq-drawer-content .el-collapse-item__header {
      background: #f8f9fa;
      padding: 15px 20px;
      font-weight: 600;
      font-size: 1.1rem;
      color: #2c3e50;
      border-bottom: none;
  }
  
  .faq-drawer-content .el-collapse-item__content {
      padding: 20px;
      background: white;
  }
  
  .faq-drawer-content .el-collapse-item__content p {
      color: #5a6c7d;
      line-height: 1.6;
      margin: 0;
  }
  
  .faq-drawer-content .el-collapse-item__content strong {
      color: #409EFF;
  }
  
  /* Payment Dialog Styles */
  .payment-dialog .el-dialog__body {
      padding: 30px;
  }
  
  .payment-content {
      text-align: center;
  }
  
  .package-info {
      margin-bottom: 30px;
      padding-bottom: 25px;
      border-bottom: 2px solid #f0f2f5;
  }
  
  .package-name {
      color: #409EFF;
      font-size: 1.5rem;
      font-weight: 600;
      margin: 0 0 15px 0;
  }
  
  .package-price {
      font-size: 2.5rem;
      font-weight: 700;
      color: #e74c3c;
      margin-bottom: 8px;
      line-height: 1;
  }
  
  .package-credits {
      color: #7f8c8d;
      font-size: 1.1rem;
      font-weight: 500;
  }
  
  .payment-method { 
      padding: 25px;
      border-radius: 12px;
      margin-bottom: 25px;
      border: 1px solid #e9ecef;
  }
  
  .payment-header {
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      padding-bottom: 15px;
      border-bottom: 1px solid #dee2e6;
  }
  
  .paypal-logo {
      height: 32px;
      margin-right: 12px;
  }
  
  .payment-title {
      font-weight: 600;
      color: #2c3e50;
      font-size: 1.2rem;
  }
  
  .payment-features {
      text-align: left;
  }
  
  .feature-item {
      display: flex;
      align-items: center;
      margin-bottom: 12px;
      padding: 8px 10px;
  }
  
  .feature-item:last-child {
      margin-bottom: 0;
  }
  
  .feature-icon {
      margin-right: 12px;
      font-size: 16px;
      width: 20px;
      flex-shrink: 0;
  }
  
  .feature-text {
      color: #5a6c7d;
      line-height: 1.5;
      font-size: 15px;
  }
  
  .important-notice {
      background: #fff3cd;
      border: 1px solid #ffeaa7;
      padding: 20px;
      border-radius: 10px;
      margin-bottom: 10px;
  }
  
  .notice-content {
      color: #856404;
      font-size: 14px;
      line-height: 1.5;
      text-align: left;
  }
  
  .dialog-footer {
      display: flex;
      justify-content: center;
      gap: 15px;
      padding-top: 10px;
  }
  
  .dialog-footer .el-button {
      min-width: 120px;
      font-weight: 500;
  }

  /* Enhanced Banner Styles */
  .banner-background {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      opacity: 0.1;
      z-index: 0;
  }

  .banner-icon {
      font-size: 4rem;
      margin-bottom: 1rem;
      color: #409EFF;
      text-shadow: 0 2px 4px rgba(0,0,0,0.1);
  }

  .banner-title {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 1rem;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
  }

  .banner-subtitle {
      font-size: 1.3rem;
      color: #666;
      margin-bottom: 1.5rem;
      font-weight: 500;
  }

  .banner-description {
      font-size: 1.1rem;
      color: #777;
      margin-bottom: 2rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.6;
  }

  .banner-stats {
      display: flex;
      justify-content: center;
      gap: 3rem;
      margin: 2rem 0;
  }

  .stat-item {
      text-align: center;
  }

  .stat-number {
      display: block;
      font-size: 2.5rem;
      font-weight: 700;
      color: #409EFF;
      margin-bottom: 0.5rem;
  }

  .stat-label {
      font-size: 1rem;
      color: #666;
      font-weight: 500;
  }

  .banner-actions {
      display: flex;
      justify-content: center;
      gap: 1rem;
      margin-top: 2rem;
  }

  .btn-primary, .btn-secondary {
      padding: 12px 30px;
      border-radius: 25px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1rem;
  }

  .btn-primary {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  }

  .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
  }

  .btn-secondary {
      background: transparent;
      color: #667eea;
      border: 2px solid #667eea;
  }

  .btn-secondary:hover {
      background: #667eea;
      color: white;
      transform: translateY(-2px);
  }

  /* Process Steps Styles */
  .process-steps {
      display: flex;
      justify-content: center;
      margin: 2rem 0;
      padding: 1.5rem;
      background: #f8f9fa;
      border-radius: 15px;
  }

  .step {
      display: flex;
      align-items: center;
      position: relative;
  }

  .step:not(:last-child)::after {
      content: '→';
      margin: 0 2rem;
      color: #409EFF;
      font-size: 1.5rem;
      font-weight: bold;
  }

  .step-icon {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-right: 1rem;
  }

  .step-content h3 {
      margin: 0 0 0.5rem 0;
      color: #333;
      font-size: 1.1rem;
      font-weight: 600;
  }

  .step-content p {
      margin: 0;
      color: #666;
      font-size: 0.9rem;
  }

  /* Upload Area Enhancements */
  .upload-header {
      text-align: center;
      margin-bottom: 2rem;
  }

  .upload-title {
      font-size: 1.8rem;
      font-weight: 600;
      color: #333;
      margin-bottom: 0.5rem;
  }

  .ai-tag {
      display: inline-block;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      padding: 4px 12px;
      border-radius: 15px;
      font-size: 0.8rem;
      font-weight: 600;
      margin-left: 0.5rem;
  }

  .upload-content {
      text-align: center;
      padding: 2rem;
  }

  .upload-icon {
      font-size: 3rem;
      color: #409EFF;
      margin-bottom: 1rem;
  }

  .upload-main-text {
      font-size: 1.3rem;
      font-weight: 600;
      color: #333;
      margin-bottom: 0.5rem;
  }

  .upload-sub-text {
      color: #666;
      margin-bottom: 2rem;
  }

  .upload-features {
      display: flex;
      justify-content: center;
      gap: 2rem;
      margin-bottom: 2rem;
  }

  .upload-feature {
      text-align: center;
  }

  .upload-feature-icon {
      font-size: 2rem;
      color: #409EFF;
      margin-bottom: 0.5rem;
  }

  .upload-feature-text {
      font-size: 0.9rem;
      color: #666;
      font-weight: 500;
  }

  /* Enhanced Feature Section Styles */
  .section-header {
      text-align: center;
      margin-bottom: 3rem;
  }

  .intro-subtitle {
      font-size: 1.2rem;
      color: #666;
      margin-top: 1rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
  }

  .feature-benefits {
      margin-top: 1rem;
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
  }

  .benefit-tag {
      background: #e3f2fd;
      color: #1976d2;
      padding: 4px 8px;
      border-radius: 12px;
      font-size: 0.8rem;
      font-weight: 500;
  }

  /* Use Cases Section */
  .use-cases-section {
      margin-top: 3rem;
      padding-top: 3rem;
      border-top: 1px solid #eee;
  }

  .use-cases-title {
      text-align: center;
      font-size: 1.5rem;
      color: #333;
      margin-bottom: 2rem;
  }

  .use-cases-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1rem;
  }

  .use-case {
      display: flex;
      align-items: center;
      padding: 1rem;
      background: #f8f9fa;
      border-radius: 10px;
      transition: all 0.3s ease;
  }

  .use-case:hover {
      background: #e3f2fd;
      transform: translateY(-2px);
  }

  .use-case i {
      font-size: 1.5rem;
      color: #409EFF;
      margin-right: 1rem;
  }

  .use-case span {
      font-weight: 500;
      color: #333;
  }

  /* FAQ Section Styles */
  .faq-section {
      background: #f8f9fa;
      padding: 4rem 0;
  }

  .faq-title {
      font-size: 2.5rem;
      color: #333;
      margin-bottom: 1rem;
  }

  .faq-subtitle {
      font-size: 1.2rem;
      color: #666;
      max-width: 600px;
      margin: 0 auto;
  }

  .faq-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
      gap: 2rem;
      margin-top: 3rem;
  }

  .faq-item {
      background: white;
      padding: 2rem;
      border-radius: 15px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
      transition: all 0.3s ease;
  }

  .faq-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 20px rgba(0,0,0,0.15);
  }

  .faq-question {
      display: flex;
      align-items: center;
      font-size: 1.2rem;
      color: #333;
      margin-bottom: 1rem;
      font-weight: 600;
  }

  .faq-question i {
      margin-right: 1rem;
      color: #409EFF;
      font-size: 1.3rem;
  }

  .faq-answer {
      color: #666;
      line-height: 1.6;
      margin: 0;
  }

  /* Responsive Design for New Elements */
  @media (max-width: 768px) {
      .banner-title {
          font-size: 2rem;
      }

      .banner-stats {
          flex-direction: column;
          gap: 1rem;
      }

      .banner-actions {
          flex-direction: column;
          align-items: center;
      }

      .process-steps {
          flex-direction: column;
          align-items: center;
      }

      .step:not(:last-child)::after {
          content: '↓';
          margin: 1rem 0;
      }

      .upload-features {
          flex-direction: column;
          gap: 1rem;
      }

      .faq-grid {
          grid-template-columns: 1fr;
      }

      .use-cases-grid {
          grid-template-columns: 1fr;
      }
  }

/* Footer组件样式 */
.footer {
    position: relative;
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: 20px 0;
    margin-top: 40px;
}

.footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    font-size: 1.2em;
}

.footer-logo img {
    height: 30px;
    width: auto;
}

.footer-cp {
    color: #6c757d;
    margin: 0;
    font-size: 0.9em;
}

/* 邮件图标样式 - 固定在左下角 */
.footer .email {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background-color: #007bff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

.footer .email:hover {
    background-color: #0056b3;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.footer .email svg {
    width: 24px;
    height: 24px;
}

.footer .email svg path {
    fill: #ffffff !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer .email {
        bottom: 15px;
        left: 15px;
        width: 45px;
        height: 45px;
    }
    
    .footer .email svg {
        width: 20px;
        height: 20px;
    }
}