.main-sidebar .brand-link{
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
.tishi ol li{
    line-height: 30px;
}
.nav-treeview .nav-link {
   padding-left: 2.5rem;
}
.copy-code .input-group,.copy-code .toast{
    height: 3rem;
}

  /* 垂直居中关键样式 */
  .modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 1rem);
  }
  @media (min-width: 576px) {
    .modal-dialog-centered {
      min-height: calc(100% - 3.5rem);
    }
  }
  .chenggong{
      display: flex;
      justify-content: center;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
      margin: 2rem auto;
  }