body {
      font-family: Arial, sans-serif;
      background: #f9f9f9;
      margin: 0;
      padding: 0;
    }

    header {
      background-color: #ffffff;
      border-bottom: 1px solid #ddd;
      padding: 15px 20px;
    }

    .header-container {
      max-width: 1200px;
      margin: -18px auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      position: relative;
    }

    .logo a {
      text-decoration: none;
      font-size: 1.5rem;
      font-weight: bold;
      color: #333;
    }

    .container {
      display: flex;
      flex-direction: row;
      max-width: 1300px;
      margin: 30px auto;
      padding: 0 20px;
      gap: 30px;
    }

    .main-content {
      flex: 3;
      background: white;
      padding: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    }

    .blog-title {
      font-size: 2rem;
      margin-bottom: 10px;
      color: #111;
    }

    .blog-meta {
      font-size: 0.9rem;
      color: #777;
      margin-bottom: 20px;
    }

    .blog-image {
      width: 100%;
      height: auto;
      margin-bottom: 20px;
      border-radius: 5px;
    }

    .blog-content p {
      font-size: 1rem;
      line-height: 1.6;
      margin-bottom: 1.2rem;
      color: #333;
    }

    aside {
      flex: 1;
      background: #fff;
      padding: 20px;
      border: 1px solid #ddd;
      border-radius: 5px;
      box-sizing: border-box;
      height: fit-content;
    }

    .widget {
      margin-bottom: 25px;
    }

    .widget h3 {
      font-size: 1.1rem;
      margin-bottom: 10px;
      color: #111;
    }

    .widget ul {
      list-style: none;
      padding: 0;
    }

    .widget ul li {
      margin-bottom: 8px;
    }

    .widget ul li a {
      color: #0073e6;
      text-decoration: none;
      font-size: 0.95rem;
    }

    .widget ul li a:hover {
      text-decoration: underline;
    }

    footer {
      background-color: #ffffff;
      border-top: 1px solid #ddd;
      text-align: center;
      padding: 20px 10px;
      margin-top: 40px;
      font-size: 0.9rem;
      color: #555;
    }

    .footer-links {
      margin-bottom: 10px;
    }

    .footer-links a {
      margin: 0 10px;
      color: #0073e6;
      text-decoration: none;
    }

    .footer-links a:hover {
      text-decoration: underline;
    }

    @media (max-width: 992px) {
      .container {
        flex-direction: column;
      }

      aside {
        margin-top: 20px;
        width: 100%;
      }
    }

    @media (max-width: 600px) {
      header {
        padding: 15px 20px;
        flex-direction: column;
        align-items: flex-start;
      }

      nav {
        margin-top: 10px;
      }

      .logo {
        font-size: 1.2rem;
      }
    }