.blog-detail {
      max-width: 800px;
      margin: 0 auto;
      padding: 10px 15px 40px;
      font-family: Arial, sans-serif;
      color: #333;
    }
    @media (max-width: 768px) {
      .blog-detail {
        padding-top: 10px;
      }
    }
    .blog-detail__post {
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      padding: 20px;
    }
    .blog-detail__header {
      margin-bottom: 20px;
    }
    .blog-detail__title {
      font-size: 38px;
      font-weight: bold;
      color: #2c3e50;
      margin-bottom: 10px;
      line-height: 1.2;
    }
    .blog-detail__meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      font-size: 14px;
      color: #7f8c8d;
      margin-bottom: 15px;
    }
    .blog-detail__date {
      margin-right: 15px;
      white-space: nowrap;
    }
    .blog-detail__keywords {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .blog-detail__keyword {
      background-color: #ecf0f1;
      color: #34495e;
      padding: 5px 10px;
      border-radius: 5px;
      font-size: 12px;
      white-space: nowrap;
    }
    .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: #333;
    }
    .blog-detail__content p {
      margin-bottom: 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 ul,
    .blog-detail__content ol {
      margin-bottom: 18px;
      padding-left: 25px;
    }
    .blog-detail__content li {
      margin-bottom: 8px;
    }
    .blog-detail__content a {
      color: #2980b9;
      text-decoration: none;
    }
    .blog-detail__content a:hover {
      text-decoration: underline;
    }
    @media (max-width: 768px) {
      .blog-detail {
        padding: 10px 10px 30px;
      }
      .blog-detail__post {
        padding: 15px;
      }
      .blog-detail__title {
        font-size: 28px;
      }
      .blog-detail__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
      .blog-detail__date {
        margin-right: 0;
      }
      .blog-detail__keywords {
        justify-content: flex-start;
      }
      .blog-detail__content {
        font-size: 16px;
        line-height: 1.6;
      }
      .blog-detail__content p {
        margin-bottom: 15px;
      }
      .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;
      }
    }
  

        body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0 auto; max-width: 800px; padding: 20px; }
        h1, h2, h3 { color: #2c3e50; }
        h1 { font-size: 2.5em; text-align: center; margin-bottom: 30px; }
        h2 { font-size: 1.8em; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
        h3 { font-size: 1.4em; margin-top: 30px; margin-bottom: 15px; }
        p { margin-bottom: 15px; text-align: justify; }
        ul { list-style-type: disc; margin-left: 20px; margin-bottom: 15px; }
        ol { list-style-type: decimal; margin-left: 20px; margin-bottom: 15px; }
        .toc { background-color: #f9f9f9; border: 1px solid #ddd; padding: 15px; margin-bottom: 30px; border-radius: 8px; }
        .toc h2 { margin-top: 0; border-bottom: none; padding-bottom: 0; }
        .toc ul { list-style-type: none; padding: 0; margin: 0; }
        .toc ul li { margin-bottom: 8px; }
        .toc ul li a { text-decoration: none; color: #007bff; font-weight: bold; }
        .toc ul li a:hover { text-decoration: underline; }
        .faq-item { background-color: #fefefe; border: 1px solid #eee; padding: 15px; margin-bottom: 15px; border-radius: 8px; }
        .faq-item h3 { margin-top: 0; color: #34495e; }
        .btn { display: inline-block; background-color: #28a745; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; font-weight: bold; margin-top: 20px; text-align: center; transition: background-color 0.3s ease; }
        .btn:hover { background-color: #218838; }
        .banner-placeholder { background-color: #f0f8ff; padding: 20px; text-align: center; border-radius: 8px; margin-bottom: 30px; }
        .login-button-placeholder { background-color: #ffc107; color: #333; padding: 15px 30px; border-radius: 30px; text-decoration: none; font-weight: bold; display: block; width: fit-content; margin: 20px auto; box-shadow: 0 4px 8px rgba(0,0,0,0.1); animation: pulse 1.5s infinite; }
        .login-button-placeholder:hover { background-color: #e0a800; }
        @keyframes pulse {
            0% { transform: scale(1); box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
            50% { transform: scale(1.05); box-shadow: 0 6px 12px rgba(0,0,0,0.2); }
            100% { transform: scale(1); box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
        }
        .product-display-placeholder { text-align: center; margin-bottom: 30px; }
        .product-display-placeholder img { max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }