nz-header {
  background: #181f47;
  padding: 0 26px;
  .logo {
    h2 {
      color: white;
    }
  }
  .menu {
    width: 52%;
    display: flex;
    justify-content: center;

    ul {
      li {
        height: 56px;
        float: left;
        color: #fff;
        opacity: .65;
        font-size: 14px;
        padding: 0 20px;
        cursor: pointer;
      }
      .li-selected {
        opacity: 1;
        border-bottom: 2px solid #1890ff;
      }
      li:hover {
        opacity: 1;
        border-bottom: 2px solid #1890ff;
      }
      list-style-type: none; /* 移除列表的标记，如果需要的话 */
      padding: 0; /* 移除padding，如果需要的话 */
    }
  }
}

nz-sider {
  background: #fff;
  box-shadow: 2px 0 8px rgba(0,0,0,.15);
  height: calc(100vh - 64px);;

  .trigger {
    margin-top: 16px;
    font-size: 18px;
    line-height: 50px;
    padding: 0 24px;
    cursor: pointer;
    transition: color 0.3s;
  }

  .trigger:hover {
    color: #1890ff;
  }
}
nz-content {
  padding: 0 0 0 4px;
}
.user {
  div {
    cursor: pointer;
    float: right;
    margin-right: 30px;
    color: white;
    white-space: nowrap;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
  }

}
.file-downLoad {
  width: 300px;
}
.button-up {
  font-size: 16px;
  padding: 10px;
  top: 48px;
  left: 22px;
  z-index: 999;
  border-radius: 5px;
  position:absolute;
  height: 80px;
  width: 280px;
  background-color: rgba(0, 0, 0, 0.7);
}
.to_top {
  z-index: 999;
  top: 40px;
  position:absolute;
  width: 0;
  height: 0;
  border-bottom: 8px solid rgba(0, 0, 0, 0.7);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
}
