.comparador {
      position: relative;
      display: flex;
      border-radius: 12px;
      box-shadow: 0 3px 8px rgba(0,0,0,0.15);
      background: white;
      overflow: hidden;
    }

    .columna-fija {
      flex: 0 0 200px;
      background: #f9fafb;
      border-right: 1px solid #ddd;
      z-index: 2;
    }

    .columna-fija .celda {
      font-weight: 600;
      color: #444;
      padding: 14px 12px;
      border-bottom: 1px solid #eee;
    }

    .contenedor-scroll {
      overflow: hidden;
      position: relative;
      flex: 1;
    }

    .tabla {
      display: flex;
      transition: transform 0.4s ease;
    }

    .columna {
      flex: 0 0 250px;
      text-align: center;
      border-right: 1px solid #ddd;
      background: #fff;
    }

    .celda {
      padding: 14px 12px;
      border-bottom: 1px solid #eee;
    }

    .celda img {
      width: 100px;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .flecha {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      background: rgba(0, 0, 0, 0.5);
      color: white;
      border: none;
      font-size: 24px;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      cursor: pointer;
      z-index: 3;
      transition: background 0.3s, opacity 0.3s;
      opacity: 1;
    }

    .flecha.oculta {
      opacity: 0;
      pointer-events: none;
    }

    .flecha:hover {
      background: rgba(0,0,0,0.7);
    }

    .flecha.izquierda {
      left: 10px;
    }

    .flecha.derecha {
      right: 10px;
    }