.w_footer {
  height: 200px;
  /* width: 100vw; */
  background: #333333;
  /* margin-top:97px */
  margin-top: 60px;
  border: 1px solid transparent;
  box-sizing: border-box;
}

  .w_footer_frist {
    text-align: center;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    text-align: center;
    color: #999999;
    line-height: 48px;
    letter-spacing: 0.7px;
    margin-top: 66px;
  }
  .w_footer_second{
    text-align: center;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    text-align: center;
    color: #999999;
    line-height: 48px;
    letter-spacing: 0.7px;
  }