:root {
    --primary-color: #e74c3c;
    --secondary-color: #f1c40f;
    --text-dark: #2c3e50;
    --text-medium: #444;
    --text-light: #ecf0f1;
    --bg-light: #ffffff;
    --bg-dark: #34495e;
    --border-color: #ddd;
  }

  .blog-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--header-offset, 120px) 20px 40px;
    font-family: 'Arial', sans-serif;
    color: var(--text-medium);
  }

  .blog-detail__post {
    background-color: var(--bg-light);
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 30px;
  }

  .blog-detail__header {
    padding: 30px 40px 20px;
    text-align: left;
  }

  .blog-detail__title {
    font-size: 38px;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
  }

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

  .blog-detail__date {
    font-style: italic;
    color: var(--text-medium);
  }

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

  .blog-detail__keyword {
    background-color: #ecf0f1;
    color: var(--text-dark);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
  }

  .blog-detail__cover {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    display: block;
    margin-bottom: 30px;
    border-radius: 0;
  }

  .blog-detail__content {
    padding: 0 40px 40px;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-medium);
  }

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

  .blog-detail__content h2 {
    font-size: 28px;
    color: var(--text-dark);
    margin-top: 35px;
    margin-bottom: 18px;
    font-weight: 700;
    line-height: 1.3;
  }

  .blog-detail__content h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-top: 28px;
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.4;
  }

  .blog-detail__content ul,
  .blog-detail__content ol {
    margin-bottom: 18px;
    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;
    color: #c0392b;
  }

  @media (max-width: 768px) {
    .blog-detail {
      max-width: 100%;
      padding: var(--header-offset, 120px) 15px 30px;
    }

    .blog-detail__post {
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    }

    .blog-detail__header {
      padding: 25px 25px 15px;
    }

    .blog-detail__title {
      font-size: 30px;
      margin-bottom: 10px;
    }

    .blog-detail__meta {
      font-size: 13px;
      gap: 10px;
    }

    .blog-detail__keyword {
      padding: 5px 10px;
      font-size: 12px;
    }

    .blog-detail__cover {
      max-height: 300px;
      margin-bottom: 20px;
    }

    .blog-detail__content {
      padding: 0 25px 25px;
      font-size: 16px;
      line-height: 1.6;
    }

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

    .blog-detail__content h2 {
      font-size: 24px;
      margin-top: 30px;
      margin-bottom: 15px;
    }

    .blog-detail__content h3 {
      font-size: 20px;
      margin-top: 25px;
      margin-bottom: 12px;
    }
  }

  @media (max-width: 480px) {
    .blog-detail {
      padding: var(--header-offset, 120px) 10px 20px;
    }

    .blog-detail__header {
      padding: 20px 20px 10px;
    }

    .blog-detail__title {
      font-size: 26px;
    }

    .blog-detail__meta {
      flex-direction: column;
      align-items: flex-start;
      gap: 5px;
    }

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

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

    .blog-detail__content {
      padding: 0 20px 20px;
      font-size: 15px;
    }

    .blog-detail__content h2 {
      font-size: 22px;
    }
    .blog-detail__content h3 {
      font-size: 18px;
    }
  }