html, body {
    min-height: 100vh;
    height: auto;
    overflow-y: auto;
    overflow-x: auto;
    background: #121212;
    color: #fff;
  }
  main {
    max-width: 900px;   /* Ajusta el ancho máximo del contenido */
    margin: 32px auto 24px auto; /* Márgenes arriba, laterales automáticos, abajo */
    padding: 24px 32px;
    background: #181818; /* Sutil fondo para diferenciar */
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  }
  main ul {
    list-style: disc inside;
    margin-left: 1.4em;
    margin-bottom: 1.4em;
  }
  main p {
    margin-left: 1.2em;
    margin-bottom: 1em;
    text-align: justify;
    line-height: 1.7;
  }
  main h1, main h2, main h3 {
    margin-left: 0.6em;
    margin-bottom: 0.7em;
    margin-top: 1.4em;
  }
  @media (max-width: 1000px) {
    main {
      max-width: 98vw;
      padding: 8vw 2vw;
    }
    main p, main ul, main h1, main h2, main h3 {
      margin-left: 0.3em;
      margin-right: 0.3em;
    }
  }
/* RESPONSIVE PARA MÓVILES */
@media (max-width: 600px) {
  html, body {
    font-size: 15px;
  }
  main {
    max-width: 99vw;
    padding: 12vw 4vw;
    margin: 10vw 0 4vw 0;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.09);
  }
  main p, main ul, main h1, main h2, main h3 {
    margin-left: 0;
    margin-right: 0;
  }
  main ul {
    margin-left: 1em;
    padding-left: 1em;
  }
}