.nav .contact-us {
  width: 2.06rem;
  height: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000000;
  border-radius: 0.32rem;
  margin: 0.3rem auto 0;
  font-family: Helvetica, Helvetica;
  font-weight: bold;
  font-size: 0.26rem;
  color: #FFFFFF;
  font-style: normal;
}
.nav .policy-box {
  position: relative;
}
.nav .policy-box img {
  display: block;
  width: 9.2rem;
  height: auto;
  margin: 0 auto;
}
.nav .policy-box .content {
  position: absolute;
  left: 0;
  right: 0;
  top: 0.3rem;
  width: 8rem;
  font-family: PingFangSC, PingFang SC;
  font-weight: 600;
  font-size: 0.12rem;
  color: #68686F;
  line-height: 0.17rem;
  text-align: center;
  font-style: normal;
  margin: 0 auto;
}
.privacy-policy-text {
  width: 90%;
  margin: 0 auto;
}
.privacy-policy-iframe-box {
  display: flex;
  width: 100%;
  justify-content: center;
  flex-wrap: wrap;
}
.privacy-policy-iframe {
  width: 80%;
  height: 3400px;
  margin: 0 auto;
  text-align: center;
  border: none;
}