acceder por css solo al texto y no al anchor dentro de un párrafo ()

 .parrafo{
   width: 300px;
    
   min-height: 100px;
   margin: 2rem;
   border: 1px solid black;
 }
.ancla{
  text-decoration: none;
}
 .ancla::before
 {
   display: block;
   content: 'read me';
   margin: 2rem auto;
   text-align: center;
   color: yellow;
    width: 40%;
    background-color: teal;
    border-radius: 1rem;
 }

  <p class="parrafo">
        Lorem ipsum dolor sit, amet consectetur adipisicing elit. Quasi, quisquam! Vel similique sit tempora nobis beatae veritatis quo! Amet porro, eius fuga fugit unde officia quae provident atque nam distinctio?
        <a href="#" class="ancla"></a>
      </p>

    <style>
      .galeria {
        border: 1px solid;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        margin: 0 auto;
        padding: 20px;
        width: 800px;
      }
      .galeria-imagen {
        border: 1px solid;
        width: 250px;
      }
      .enlaceN {
         color: red;
         grid-row: 2;
        text-align: center;
      }
    </style>
    
    <section class="galeria">
      <article class="galeria-imagen">
        <p class="galeria-imagen__parrafo">
            Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ratione ea nulla vero ad iure hic inventore quasi error voluptatem. Sunt at ea, voluptatem nam culpa delectus, eligendi similique? Quae, unde.
          kjhdfkjshfksdhjfksjhkshjfksjhflorem
          Lorem ipsum dolor sit amet, consectetur adipisicing elit. Praesentium rem nulla libero commodi, tempora, officiis, necessitatibus, reprehenderit quis deleniti temporibus harum! Qui aperiam officia, laudantium iusto dolorum sequi adipisci ipsum!
        </p>
      </article>
    
          <a href="" class="enlaceN">Leer Mas</a>    </div>
      <article class="galeria-imagen">
        <p class="galeria-imagen__parrafo">
           Lorem ipsum dolor sit amet, consectetur adipisicing elit. Aspernatur odit facere, laboriosam doloribus similique earum id. Fuga accusantium dolor quia ex in illum voluptatem! Similique fugit saepe nihil dolorum nostrum.
        </p>
      </article>
     <a href="" class="enlaceN">Leer Mas</a>
      <article class="galeria-imagen">
        <p class="galeria-imagen__parrafo">
            Lorem ipsum dolor sit amet, consectetur adipisicing elit. Exercitationem dignissimos alias minus id veritatis pariatur magni, accusantium iusto excepturi odit voluptatem, ipsum ducimus ullam, esse repellat dolor, repellendus et inventore.
        </p>
      </article>
      <a href="" class="enlaceN">Leer Mas</a>
    </section>