:root {
      --text-color-dark: #2c3e50;
      --text-color-medium: #7f8c8d;
      --text-color-light: #333;
      --background-color-light: #f9f9f9;
      --spacing-unit: 1rem; 
    }

    .blog-detail {
      padding: var(--spacing-unit) 0;
      padding-top: var(--header-offset, 120px);
      background-color: var(--background-color-light);
      min-height: calc(100vh - var(--header-offset, 120px) - 100px); 
    }

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

    .blog-detail__post {
      background-color: #ffffff;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      padding-bottom: calc(2 * var(--spacing-unit));
    }

    .blog-detail__header {
      padding: calc(2 * var(--spacing-unit)) var(--spacing-unit) var(--spacing-unit);
      text-align: center;
    }

    .blog-detail__title {
      font-size: 2.5rem; 
      color: var(--text-color-dark);
      margin-bottom: 0.5rem;
      line-height: 1.2;
      font-weight: 700;
    }

    .blog-detail__meta {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      font-size: 0.875rem; 
      color: var(--text-color-medium);
      margin-top: 1rem;
    }

    .blog-detail__date {
      margin-right: 1rem;
      white-space: nowrap;
    }

    .blog-detail__keywords {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-left: 1rem;
    }

    .blog-detail__keyword {
      background-color: #d0d0d0; 
      color: var(--text-color-dark);
      padding: 0.2rem 0.6rem;
      border-radius: 4px;
      font-size: 0.75rem; 
      white-space: nowrap;
    }

    .blog-detail__cover {
      width: 100%;
      max-height: 400px;
      object-fit: cover;
      display: block;
      margin-top: calc(1.5 * var(--spacing-unit));
      border-radius: 8px;
    }

    .blog-detail__content {
      padding: calc(2 * var(--spacing-unit)) var(--spacing-unit);
      color: var(--text-color-light);
      line-height: 1.7;
      font-size: 1.125rem; 
    }

    .blog-detail__content p {
      margin-bottom: 1.25rem; 
    }

    .blog-detail__content h2 {
      font-size: 2rem; 
      color: var(--text-color-dark);
      margin-top: 1.875rem; 
      margin-bottom: 0.9375rem; 
      font-weight: 600;
      line-height: 1.3;
    }

    .blog-detail__content h3 {
      font-size: 1.5rem; 
      color: var(--text-color-dark);
      margin-top: 1.5rem; 
      margin-bottom: 0.75rem; 
      font-weight: 600;
      line-height: 1.4;
    }

    .blog-detail__content ul,
    .blog-detail__content ol {
      margin-bottom: 1.25rem;
      padding-left: 1.5rem;
    }

    .blog-detail__content li {
      margin-bottom: 0.5rem;
      line-height: 1.6;
    }

    @media (max-width: 768px) {
      .blog-detail__title {
        font-size: 2rem; 
        padding: 0 0.5rem;
      }

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

      .blog-detail__date {
        margin-right: 0;
        margin-bottom: 0.5rem;
      }

      .blog-detail__keywords {
        margin-left: 0;
        justify-content: center;
      }

      .blog-detail__content {
        font-size: 1rem; 
        padding: calc(1.5 * var(--spacing-unit)) var(--spacing-unit);
      }

      .blog-detail__content p {
        margin-bottom: 1rem; 
      }

      .blog-detail__content h2 {
        font-size: 1.75rem; 
        margin-top: 1.5rem; 
        margin-bottom: 0.75rem; 
      }

      .blog-detail__content h3 {
        font-size: 1.25rem; 
        margin-top: 1.25rem; 
        margin-bottom: 0.5rem; 
      }

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

    @media (max-width: 480px) {
      .blog-detail__title {
        font-size: 1.75rem; 
      }

      .blog-detail__content {
        padding: var(--spacing-unit);
      }
      
      .blog-detail__header {
        padding: calc(1.5 * var(--spacing-unit)) var(--spacing-unit) var(--spacing-unit);
      }
    }