:root {
      --primary-text-color: #2c3e50;
      --secondary-text-color: #7f8c8d;
      --background-light: #ffffff;
      --background-dark: #1c1c1c;
      --accent-link-color: #8B4513; 
      --accent-link-hover-color: #A0522D; 
      --header-offset: 120px;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--primary-text-color);
      background-color: var(--background-dark);
      margin: 0;
      padding: 0;
    }

    .blog-detail {
      background-color: var(--background-dark);
      min-height: 100vh;
      padding-top: 20px;
      padding-bottom: 40px;
    }

    .blog-detail__container {
      max-width: 800px;
      margin: 0 auto;
      padding: 20px;
      background-color: var(--background-light);
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      padding-top: var(--header-offset);
      position: relative;
      box-sizing: border-box;
    }

    @media (max-width: 768px) {
      .blog-detail__container {
        margin: 0 10px;
        padding: 15px;
        border-radius: 0;
      }
    }

    .blog-detail__post {
      padding: 20px 0;
    }

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

    .blog-detail__title {
      font-size: 38px;
      font-weight: bold;
      color: var(--primary-text-color);
      margin-bottom: 10px;
      line-height: 1.2;
    }

    @media (max-width: 768px) {
      .blog-detail__title {
        font-size: 28px;
      }
    }

    .blog-detail__meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 15px;
      font-size: 14px;
      color: var(--secondary-text-color);
      margin-bottom: 20px;
    }

    .blog-detail__date {
      color: var(--secondary-text-color);
    }

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

    .blog-detail__keyword {
      background-color: #34495e;
      color: #ffffff;
      padding: 5px 10px;
      border-radius: 5px;
      font-size: 12px;
      white-space: nowrap;
      display: inline-block;
    }

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

    @media (max-width: 768px) {
      .blog-detail__cover {
        max-height: 250px;
        border-radius: 0;
      }
    }

    .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: var(--primary-text-color);
      margin-top: 30px;
      margin-bottom: 15px;
      line-height: 1.3;
    }

    .blog-detail__content h3 {
      font-size: 24px;
      color: var(--primary-text-color);
      margin-top: 25px;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .blog-detail__content h4 {
      font-size: 20px;
      color: var(--primary-text-color);
      margin-top: 20px;
      margin-bottom: 10px;
      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: var(--accent-link-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-detail__content a:hover {
      text-decoration: underline;
      color: var(--accent-link-hover-color);
    }