:root {
    --primary-color: #e44d26;
    --secondary-color: #f8f8f8;
    --text-color-dark: #2c3e50;
    --text-color-medium: #7f8c8d;
    --text-color-light: #333;
    --border-color: #e0e0e0;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
  }

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

  .blog-detail__container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
    box-sizing: border-box;
  }

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

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

  .blog-detail__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    font-size: 14px;
    color: var(--text-color-medium);
    margin-top: var(--spacing-sm);
    gap: var(--spacing-sm);
  }

  .blog-detail__date {
    white-space: nowrap;
  }

  .blog-detail__keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-left: var(--spacing-sm);
  }
  .blog-detail__keywords:empty {
      display: none;
  }

  .blog-detail__keyword {
    background-color: var(--secondary-color);
    color: var(--text-color-dark);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
  }

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

  .blog-detail__content {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-color-light);
  }

  .blog-detail__content p {
    margin-bottom: 18px;
  }

  .blog-detail__content h2 {
    font-size: 28px;
    color: var(--text-color-dark);
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: bold;
    line-height: 1.3;
  }

  .blog-detail__content h3 {
    font-size: 22px;
    color: var(--text-color-dark);
    margin-top: 25px;
    margin-bottom: 12px;
    line-height: 1.4;
  }

  .blog-detail__content h4 {
    font-size: 18px;
    color: var(--text-color-dark);
    margin-top: 20px;
    margin-bottom: 10px;
    line-height: 1.5;
  }

  .blog-detail__content ul,
  .blog-detail__content ol {
    margin-bottom: 18px;
    padding-left: var(--spacing-lg);
  }

  .blog-detail__content li {
    margin-bottom: 8px;
  }

  .blog-detail__content a {
    color: var(--primary-color);
    text-decoration: none;
  }

  .blog-detail__content a:hover {
    text-decoration: underline;
  }

  .blog-detail__content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--spacing-md) auto;
    border-radius: 6px;
  }

  .blog-detail__content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-style: italic;
    color: var(--text-color-medium);
  }

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

    .blog-detail__meta {
      flex-direction: column;
      align-items: flex-start;
      margin-left: 0;
    }

    .blog-detail__keywords {
      margin-left: 0;
      margin-top: 5px;
    }

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

    .blog-detail__content h2 {
      font-size: 24px;
      margin-top: 25px;
      margin-bottom: 12px;
    }

    .blog-detail__content h3 {
      font-size: 20px;
      margin-top: 20px;
      margin-bottom: 10px;
    }

    .blog-detail__content h4 {
      font-size: 17px;
      margin-top: 18px;
      margin-bottom: 8px;
    }

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

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

    .blog-detail__meta {
      font-size: 13px;
    }

    .blog-detail__keyword {
      font-size: 11px;
      padding: 3px 8px;
    }

    .blog-detail__content {
      font-size: 15px;
    }

    .blog-detail__content h2 {
      font-size: 22px;
    }
  }