:root {
    --primary-color: #e44d26;
    --text-color-dark: #2c3e50;
    --text-color-medium: #555555;
    --text-color-light: #333333;
    --background-color-light: #ffffff;
    --spacing-xs: 8px;
    --spacing-sm: 15px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --max-content-width: 800px;
    --header-offset: 120px;
  }

  .blog-detail {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color-light);
    background-color: #f9f9f9;
    padding-top: var(--header-offset, 120px);
  }

  .blog-detail__article {
    background-color: var(--background-color-light);
    padding-bottom: var(--spacing-lg);
  }

  .blog-detail__container {
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .blog-detail__header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
  }

  .blog-detail__title {
    font-size: 38px;
    color: var(--text-color-dark);
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
  }

  .blog-detail__meta {
    font-size: 14px;
    color: var(--text-color-medium);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
  }

  .blog-detail__date {
    margin-right: var(--spacing-sm);
  }

  .blog-detail__keywords {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .blog-detail__keyword {
    background-color: #e0e0e0;
    color: var(--text-color-light);
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 12px;
  }

  .blog-detail__cover-wrapper {
    margin-bottom: var(--spacing-lg);
    text-align: center;
  }

  .blog-detail__cover {
    width: 100%;
    max-width: var(--max-content-width);
    max-height: 400px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
  }

  .blog-detail__content {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
  }

  .blog-detail__content p {
    margin-bottom: var(--spacing-md);
  }

  .blog-detail__content h2 {
    font-size: 28px;
    color: var(--text-color-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
  }

  .blog-detail__content h3 {
    font-size: 24px;
    color: var(--text-color-dark);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
  }

  .blog-detail__content ul,
  .blog-detail__content ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
  }

  .blog-detail__content li {
    margin-bottom: var(--spacing-xs);
  }

  .blog-detail__related-posts {
    padding-top: var(--spacing-lg);
    border-top: 1px solid #eee;
  }

  .blog-detail__related-title {
    font-size: 24px;
    color: var(--text-color-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
  }

  .blog-detail__related-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
  }

  .blog-detail__related-item {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s ease-in-out;
  }

  .blog-detail__related-item:hover {
    transform: translateY(-5px);
  }

  .blog-detail__related-link {
    display: block;
    padding: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-color-dark);
    font-weight: bold;
    text-align: center;
  }

  @media (max-width: 768px) {
    .blog-detail__title {
      font-size: 30px;
    }

    .blog-detail__content {
      font-size: 16px;
      line-height: 1.6;
    }

    .blog-detail__content h2 {
      font-size: 24px;
      margin-top: var(--spacing-md);
      margin-bottom: var(--spacing-sm);
    }

    .blog-detail__content h3 {
      font-size: 20px;
      margin-top: var(--spacing-sm);
      margin-bottom: var(--spacing-xs);
    }

    .blog-detail__container {
      padding: var(--spacing-sm);
    }

    .blog-detail__cover {
      border-radius: 0;
    }
  }

  @media (max-width: 480px) {
    .blog-detail__title {
      font-size: 26px;
    }

    .blog-detail__meta {
      flex-direction: column;
      align-items: center;
    }

    .blog-detail__date {
      margin-right: 0;
      margin-bottom: var(--spacing-xs);
    }

    .blog-detail__related-list {
      grid-template-columns: 1fr;
    }
  }