body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f8;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
  }
  
  header {
    color: white;
    padding-top: 2vh;
    text-align: center;
  }
  
  .arrow {
    font-size: 1.5em;
  }
  
  .arrow-link {
    color: inherit; /* prend la couleur du parent */
    text-decoration: none; /* supprime le souligné */
  }
  
  .arrow-link:link,
  .arrow-link:visited,
  .arrow-link:hover,
  .arrow-link:active {
    color: inherit; /* couleur identique dans tous les états */
    text-decoration: none; /* pas de souligné même au survol */
  }
  
  a + h2 {
    margin-top: 6px;
  }
  
  main {
    max-width: 900px;
    margin: 30px auto;
    padding: 25px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }
  
  h1,
  h2,
  h3 {
    color: #333;
    margin-bottom: 10px;
  }
  
  h1 {
    font-size: 2.2em;
  }
  
  h2 {
    margin-top: 35px;
    border-bottom: 2px solid #4a90e2;
    padding-bottom: 6px;
  }
  
  h3 {
    margin-top: 20px;
    font-size: 1.2em;
    color: #4a90e2;
  }
  
  ul {
    margin: 15px 0 25px 25px;
  }
  
  code {
    background-color: #eef1f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.95em;
    color: #222;
  }
  
  pre {
    background-color: #eef1f5;
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
  }
  
  section {
    margin-bottom: 35px;
  }
  
  .tip {
    background-color: #e8f4fd;
    border-left: 4px solid #4a90e2;
    padding: 12px 15px;
    border-radius: 6px;
    margin: 20px 0;
    color: #2c3e50;
    font-size: 0.95em;
  }
  
  footer {
    text-align: center;
    padding: 15px;
    color: #777;
    font-size: 0.9em;
    border-top: 1px solid #ddd;
    margin-top: 40px;
  }
  
  .niralakka_logo {
    height: 2em;
  }