body {
    font-family: 'Georgia', serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 2rem;
    color: #333;
    display: flex;
  }

  .sidebar {
    /* max-width: 33vh; */
    max-width: 240px;
    margin: auto;
    max-height: 98vh;
    overflow-y: auto;
    background-color: #f4f4f4;
    padding: 10px;
    /* height: 100vh; */
    position: fixed;
    top: 0;
    left: 0;
    overflow: auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-radius: 6px;
  }
  
  .container {
    max-width: 800px;
    margin: auto;
    margin-left: 270px;
    background-color: #fff;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-radius: 6px;
  }
  
  .sidebar a {
    display: block;
    padding: 10px;
    color: #333;
    text-decoration: none;
  }
  
  .sidebar a:hover {
    background-color: #ddd;
  }

  .sidebar a.level-1 {
    font-weight: bold;
    padding-left: 10px;
    font-size: 14px;
  }
  
  .sidebar a.level-2 {
    font-weight: normal;
    padding-left: 30px;
    font-size: 12px;
    color: #555;
  }

  h1 {
    font-size: 2em;
    margin-bottom: 0.5em;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.2em;
    text-align: center;
  }
  
  .author {
    font-size: 1em;
    color: #555;
    margin-bottom: 2em;
    text-align: center;
  }
  
  .section {
    margin-bottom: 2em;
  }
  
  .section h2 {
    font-size: 1.4em;
    margin-bottom: 0.5em;
    color: #004080;
  }

  .section h3 {
    font-size: 1.2em;
    margin-bottom: 0.4em;
    color: #006699;
    font-weight: 500;
  }
  
  .section p {
    line-height: 1.6;
    text-align: justify;
  }

  .section video {
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    width: 100%;
    height: auto;
    margin-bottom: 20px;
  }

  video {
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    width: 100%;
    height: auto;
    margin-bottom: 20px;
  }

  .media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
    gap: 10px;
    max-width: 1000px;
    margin: auto;
  }
  
  .media-item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .media-item img,
  .media-item video {
    width: 100%;
    height: auto;
    border-radius: 8px;
  }
  
  .label {
    margin-top: 8px;
    text-align: center;
    font-weight: bold;
    font-size: 14px;
  }