.blog-detail {
      padding-top: 10px;
      padding-bottom: 40px;
      background-color: #f8f8f8;
      min-height: 80vh;
    }

    .blog-detail__wrapper {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

    @media (min-width: 768px) {
      .blog-detail__wrapper {
        flex-direction: row;
        gap: 40px;
        padding: 0 20px;
      }
    }

    .blog-detail__article {
      flex: 3;
      background-color: #fff;
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      line-height: 1.7;
    }

    @media (min-width: 768px) {
      .blog-detail__article {
        padding: 35px;
      }
    }

    .blog-detail__header {
      margin-bottom: 25px;
    }

    .blog-detail__title {
      font-size: 32px;
      font-weight: bold;
      color: #2c3e50;
      margin-bottom: 12px;
      line-height: 1.2;
    }

    @media (min-width: 768px) {
      .blog-detail__title {
        font-size: 40px;
      }
    }

    .blog-detail__meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      font-size: 14px;
      color: #7f8c8d;
    }

    .blog-detail__date {
      margin-right: 15px;
      white-space: nowrap;
    }

    .blog-detail__keywords {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 5px;
    }

    @media (min-width: 768px) {
      .blog-detail__keywords {
        margin-top: 0;
      }
    }

    .blog-detail__keyword {
      background-color: #e0e0e0;
      color: #555;
      padding: 4px 10px;
      border-radius: 5px;
      font-size: 12px;
      white-space: nowrap;
    }

    .blog-detail__cover-wrapper {
      margin-bottom: 30px;
    }

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

    .blog-detail__content {
      font-size: 16px;
      color: #333;
    }

    @media (min-width: 768px) {
      .blog-detail__content {
        font-size: 18px;
      }
    }

    .blog-detail__content h2 {
      font-size: 28px;
      color: #2c3e50;
      margin-top: 30px;
      margin-bottom: 15px;
      line-height: 1.3;
    }

    .blog-detail__content h3 {
      font-size: 24px;
      color: #2c3e50;
      margin-top: 25px;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .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__sidebar {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

    @media (min-width: 768px) {
      .blog-detail__sidebar {
        background-color: #fff;
        padding: 25px;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      }
    }

    .blog-detail__sidebar-title {
      font-size: 24px;
      color: #2c3e50;
      margin-bottom: 20px;
      border-bottom: 2px solid #eee;
      padding-bottom: 10px;
    }

    .blog-detail__related-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .blog-detail__related-item {
      margin-bottom: 12px;
    }

    .blog-detail__related-link {
      color: #007bff;
      text-decoration: none;
      font-size: 16px;
      transition: color 0.3s ease;
    }

    .blog-detail__related-link:hover {
      text-decoration: underline;
      color: #0056b3;
    }

    .blog-detail__promotion {
      background-color: #e6f7ff;
      border: 1px solid #91d5ff;
      padding: 20px;
      border-radius: 8px;
      text-align: center;
    }

    .blog-detail__promotion-text {
      font-size: 18px;
      color: #0056b3;
      margin-bottom: 15px;
    }

    .blog-detail__promotion-button {
      display: inline-block;
      background-color: #007bff;
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .blog-detail__promotion-button:hover {
      background-color: #0056b3;
    }