  /* 底部导航 */
  footer {
    position: relative;
    z-index: 99;
  }

  footer button.top {
    position: absolute;
    top: -36px;
    left: 50%;
    background: #fff0;
    width: 64px;
    height: 36px;
    overflow: hidden;
  }

  .footerNav {
    padding: 60px var(--container);
    display: flex;
    align-items: center;
    grid-gap: 15px;
  }

  .footerNav span {
    width: 100%;
    height: 48px;
    border-top: 1px solid var(--color);
    border-bottom: 1px solid var(--color);
    display: flex;
    align-items: center;
    justify-content: space-around;
  }

  .footer1 {
    text-align: center;
    font-size: 18px;
    color: #444;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer1 p {
    text-align: center;
    font-size: 32px;
    color: var(--color);
    border-bottom: 1px solid #e2e2e2;
    padding-bottom: 5px;
  }

  @media (max-width: 1200px) {
    .footerNav span a {
      font-size: 14px;
    }
  }

  @media (max-width: 720px) {
    .footerNav {
      flex-wrap: wrap;
      justify-content: center;
    }
  }

  /* 备案 */
  .Copyright {
    margin-top: 60px;
    border-top: 1px solid #e2e2e2;
    width: 100%;
    padding: 15px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .Copyright a {
    color: #555;
    font-size: 16px;
    line-height: 1.5;
    display: flex;
    align-items: center;
    opacity: 0.7;
  }



  @media (max-width: 460px) {
    .Copyright a {
      font-size: 14px;
    }
  }