:root {
    --primary-color: #e74c3c;
    --text-color: #333;
    --heading-color: #2c3e50;
    --meta-color: #7f8c8d;
    --background-light: #f8f8f8;
    --background-white: #ffffff;
    --border-color: #ecf0f1;
    --header-offset: 120px;
  }

  .blog-detail {
    background-color: var(--background-light);
    padding: 20px 0;
    padding-top: var(--header-offset, 120px);
  }

  .blog-detail__article {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--background-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
  }

  .blog-detail__header {
    margin-bottom: 20px;
  }

  .blog-detail__title {
    font-size: 38px;
    font-weight: bold;
    color: var(--heading-color);
    margin-bottom: 15px;
    line-height: 1.2;
  }

  .blog-detail__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    font-size: 14px;
    color: var(--meta-color);
  }

  .blog-detail__date {
    font-style: italic;
  }

  .blog-detail__keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .blog-detail__keyword {
    display: inline-block;
    background-color: var(--border-color);
    color: var(--meta-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    text-decoration: none;
    transition: background-color 0.3s ease;
  }
  .blog-detail__keyword:hover {
    background-color: #dce0e1;
  }

  .blog-detail__cover {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 30px;
    display: block;
  }

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

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

  .blog-detail__content h3 {
    font-size: 22px;
    color: var(--heading-color);
    margin-top: 25px;
    margin-bottom: 10px;
    line-height: 1.4;
  }

  .blog-detail__content p {
    margin-bottom: 20px;
  }

  .blog-detail__content ul,
  .blog-detail__content ol {
    margin-bottom: 20px;
    padding-left: 25px;
  }

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

  .blog-detail__content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
  }

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

  @media (max-width: 768px) {
    .blog-detail {
      padding: 15px 0;
      padding-top: var(--header-offset, 120px);
    }

    .blog-detail__article {
      padding: 20px;
      margin: 0 15px;
    }

    .blog-detail__title {
      font-size: 28px;
      margin-bottom: 10px;
    }

    .blog-detail__meta {
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
    }

    .blog-detail__cover {
      max-height: 250px;
      margin-bottom: 20px;
    }

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

    .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: 8px;
    }

    .blog-detail__content p {
      margin-bottom: 15px;
    }
  }

  @media (max-width: 480px) {
    .blog-detail__article {
      padding: 15px;
      margin: 0 10px;
    }

    .blog-detail__title {
      font-size: 24px;
    }

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

    .blog-detail__keyword {
      padding: 4px 10px;
      font-size: 12px;
    }

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