/* ✅ 主容器布局 */
  .customization-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }

  /* ✅ 中间内容区域 - 信息和表单左右布局 */
  .customization-main {
    background: #fffffaaa;
    padding: 3rem;
    border-radius: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }

  /* ✅ 左侧信息区域 */
  .customization-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    gap: 1.5rem;
  }

  /* ✅ 头部区域 */
  .customization-header {
    text-align: left;
  }

  .customization-header h1 {
    font-size: 2rem;
    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;
  }

  .customization-header .lead {
    font-size: 1.125rem;
    line-height: 1.6;
    max-width: 700px;
  }

  .customization-header .subhead {
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }

  /* ✅ 信息提示条 */
  .info-banner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 12px;
  }

  .info-banner-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
  }

  .info-banner-item span {
    font-size: 1.5rem;
  }

  .info-banner-item strong {
    font-weight: 600;
  }

  /* ✅ 左侧特色功能列表 - 仅桌面端显示 */
  .features-list-left {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .features-list-left .features-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
  }

  .feature-item-left {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 6px;
    font-size: 0.9rem;
    line-height: 1.5;
    transition: all 0.3s ease;
  }

  .feature-item-left:hover {
    background: rgba(255, 255, 255, 0.7);
  }

  .feature-item-left::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    min-width: 20px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 2px;
  }

  /* 隐藏左侧特色列表在移动端 */
  @media (max-width: 768px) {
    .features-list-left {
      display: none;
    }
  }

  /* ✅ 右侧表单区域 */
  .form-section {
    display: flex;
    flex-direction: column;
  }

  .form-container {
    min-height: 680px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    padding: 0;
  }

  /* ✅ 底部特色功能区域 - 仅手机端显示 */
  .customization-features {
    display: none;
    margin-top: 2rem;
    padding-top: 2rem;
  }

  .features-title-bottom {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
  }

  .features-list-bottom {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
  }

  .feature-item-bottom {
    padding: 1.5rem;
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    border-radius: 8px;
    transition: all 0.3s ease;
  }

  .feature-item-bottom:hover {
    transform: translateY(3px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
  }

  .feature-item-bottom::before {
    content: "✓";
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 12px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 24px;
    font-weight: bold;
    font-size: 0.9rem;
  }

  /* RTL 支持 */
  .rtl-content {
    direction: rtl;
    text-align: right;
  }

  .rtl-content .customization-main {
    grid-template-columns: 1fr 1fr;
  }

  .rtl-content .customization-header {
    text-align: right;
  }

  .rtl-content .feature-item-left {
    flex-direction: row-reverse;
  }

  .rtl-content .feature-item-left::before {
    margin-right: 0;
    margin-left: 0.8rem;
  }

  .rtl-content .feature-item-bottom {
    border-left: none;
    border-right: 4px solid #667eea;
  }

  .rtl-content .info-banner-item {
    flex-direction: row-reverse;
  }

  /* ✅ 平板设备优化 (768px - 1024px) */
  @media (max-width: 1024px) {
    .customization-main {
      grid-template-columns: 1fr;
      gap: 2rem;
    }

    .form-container {
      min-height: 500px;
    }
  }

  /* ✅ 手机端响应式设计 (小于768px) */
  @media (max-width: 768px) {
    .customization-wrapper {
      gap: 1.5rem;
    }

    .customization-main {
      grid-template-columns: 1fr;
      gap: 1.5rem;
      padding: 1.5rem;
    }

    .customization-info {
      gap: 1rem;
    }

    .customization-header h1 {
      font-size: 1.8rem;
    }

    .customization-header .subhead {
      font-size: 0.95rem;
      margin-bottom: 0.75rem;
    }

    .customization-header .lead {
      font-size: 1rem;
    }

    .info-banner {
      flex-direction: row;
      flex-wrap: wrap;
      gap: 1rem;
      padding: 1rem;
    }

    .info-banner-item {
      flex: 1;
      min-width: 150px;
    }

    .form-container {
      min-height: 400px;
    }

    /* 手机端显示底部特色 */
    .customization-features {
      display: block;
    }

    .features-list-bottom {
      grid-template-columns: 1fr;
    }

    .feature-item-bottom {
      padding: 1.2rem;
    }

    .features-title-bottom {
      font-size: 1.25rem;
      margin-bottom: 1.5rem;
    }
  }

  /* 超小屏幕 (小于 480px) */
  @media (max-width: 480px) {
    .customization-main {
      padding: 1rem;
    }

    .customization-header h1 {
      font-size: 1.5rem;
      margin-bottom: 0.75rem;
    }

    .customization-header .subhead {
      font-size: 0.9rem;
    }

    .customization-header .lead {
      font-size: 0.9rem;
    }

    .info-banner {
      flex-direction: column;
      gap: 0.75rem;
      padding: 1rem;
    }

    .info-banner-item {
      flex: none;
      min-width: auto;
      justify-content: flex-start;
      text-align: left;
    }

    .feature-item-bottom {
      padding: 1rem;
    }

    .feature-item-bottom::before {
      width: 20px;
      height: 20px;
      line-height: 20px;
      font-size: 0.85rem;
      margin-right: 8px;
    }

    .features-title-bottom {
      font-size: 1.1rem;
      margin-bottom: 1rem;
    }
  }