@media screen and (min-width: 768px) and (max-width: 991px) {
  .txtTeam {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    color: white;
    letter-spacing: 16px;
    font-size: 32px;
    animation: txtShine 3s infinite;
    text-align: center;
  }

  .txtEnter {
    position: absolute;
    top: 70%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    color: white;
    letter-spacing: 8px;
    font-size: 16px;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    display: inline-block;
    z-index: 1;
  }
  .txtEnter.show {
    opacity: 1; /* 将透明度逐渐改变为 1 */
  }
  .txtEnter span {
    margin: 2px;
    display: inline-block;
  }
}