body,html{
  margin: 0px;
  padding: 0px;
  color: #333;
}
.wrap{
  width: 100vw;
  height: 100vh;
  background: url('../images/login_bg.png');
  background-size: 100% 100%;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  font-family: PingFangSC, PingFang SC;
}
.login-form{
  background: #fff;
  padding: 20px 70px 10px 40px;
  border-radius: 20px;
  width: 400px;
}