body {
        font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
        background-color: #fdfbf7;
        color: #1a1a1a;
        line-height: 1.6;
        margin: 0;
        padding: 20px;
      }

      .highlight {
        background-color: #b9ffa6;
        display: inline-block;
        padding: 8px 12px;
        border-radius: 6px;
        text-transform: uppercase;
        max-width: 600px;
        margin: 0 auto;
      }

      .container {
        max-width: 1024px;
        margin: 0 auto;
        padding: 30px;
        background-color: #ffffff;
        border-radius: 16px;
        box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
      }

      h1,
      h2 {
        text-align: center;
      }

      a {
        color: #3333cc;
        text-decoration: none;
        font-weight: bold;
      }

      a:hover {
        text-decoration: underline;
      }

      .intro,
      .footer {
        background-image: url("/new_course/images/bg_pattern.jpg");
        background-repeat: repeat;
        padding: 40px 20px;
        border-radius: 16px;
        margin: 40px 0;
        color: #1a1a1a;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
      }

      .intro h2 {
        font-size: 1.75rem;
        margin-bottom: 20px;
        text-align: center;
      }

      .intro p,
      .footer p {
        margin: 12px auto;
        font-size: 1.1rem;
        max-width: 700px;
        text-align: center;
      }

      .images {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-top: 30px;
      }

      .images img {
        flex: 1 1 0%;
        max-width: 100%;
        min-width: 0;
        height: auto;
        border-radius: 12px;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
      }

      @media (max-width: 768px) {
        .images {
          flex-direction: column;
          gap: 40px;
        }
      }