@media (max-width: 768px) {
  html {
    font-size: calc(100vw / 18);
  }
}
@media (min-width: 768px) and (max-width: 1921.99px) {
  html {
    font-size: calc(100vw / 19.2);
  }
}
@media (min-width: 1922px) and (max-width: 4000px) {
  html {
    font-size: calc(100vw / 22.4);
  }
}
/* 手机 */
@media (max-width: 767.98px) {
  /* footer */
  .footer {
    width: 100%;
    height: auto;
    padding: 2.4rem 0 1.33333333rem;
    box-sizing: border-box;
    background-color: #030714;
  }
  .footer .w-1700 {
    width: 90%;
    margin: 0 auto;
  }
  .footer .w-1700 .footernavcont {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 1.6rem;
    row-gap: 1.86666667rem;
  }
  .footer .w-1700 .footernavcont .navzhuansh {
    min-width: 0;
  }
  .footer .w-1700 .footernavcont .navzhuansh h3 {
    margin: 0 0 0.93333333rem;
    font-weight: normal;
  }
  .footer .w-1700 .footernavcont .navzhuansh h3 .titnav {
    font-size: 0.66666667rem;
    line-height: 1.4;
    color: #fff;
  }
  .footer .w-1700 .footernavcont .navzhuansh .twonavfooter {
    margin-bottom: 0.66666667rem;
    font-size: 0.53333333rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.7);
    display: block;
  }
  .footer .w-1700 .footernavcont .navzhuansh .twonavfooter:last-child {
    margin-bottom: 0;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact {
    padding-top: 1.46666667rem;
    border-top: 0.06666667rem solid rgba(255, 255, 255, 0.12);
    grid-column: 1 / -1;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact .twonavfooter {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.66666667rem;
    line-height: 1.6;
    overflow-wrap: anywhere;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact .erweimazhuans {
    margin-top: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.93333333rem;
    flex-wrap: wrap;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact .erweimazhuans .erweima {
    width: 5.46666667rem;
    height: 5.46666667rem;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact .erweimazhuans .erweima img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .footer .w-1700 .footerbanquan {
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 0.06666667rem solid rgba(255, 255, 255, 0.18);
    display: grid;
    gap: 0.8rem;
  }
  .footer .w-1700 .footerbanquan p {
    font-size: 0.53333333rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.62);
  }
  .footer .w-1700 .footerbanquan .righruyfhu {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.53333333rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.68);
    gap: 0.4rem;
  }
  .footer .w-1700 .footerbanquan .righruyfhu a {
    font-size: 0.53333333rem;
    color: rgba(255, 255, 255, 0.82);
  }
}
/* pc */
@media (min-width: 768px) {
  /* footer */
  .footer {
    width: 100%;
    height: 100%;
    background-color: #030714;
    padding: 0.85rem 0 0.25rem;
  }
  .footer .w-1700 {
    width: 17rem;
    margin: 0 auto;
  }
  .footer .w-1700 .footernavcont {
    display: flex;
    justify-content: space-between;
    align-items: self-start;
    width: 100%;
  }
  .footer .w-1700 .footernavcont .navzhuansh h3 {
    font-weight: normal;
    margin-bottom: 0.45rem;
  }
  .footer .w-1700 .footernavcont .navzhuansh h3 .titnav {
    font-size: 0.2rem;
    color: #fff;
  }
  .footer .w-1700 .footernavcont .navzhuansh .twonavfooter {
    margin-bottom: 0.2rem;
    font-size: 0.16rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.5s;
  }
  .footer .w-1700 .footernavcont .navzhuansh .twonavfooter:hover {
    color: #fff;
    transition: all 0.5s;
  }
  .footer .w-1700 .footernavcont .navzhuansh .twonavfooter:last-child {
    margin-bottom: 0;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact .twonavfooter {
    color: #fff;
    font-size: 0.2rem;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact .erweimazhuans {
    margin-top: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact .erweimazhuans .erweima {
    width: 1.3rem;
    height: 1.3rem;
  }
  .footer .w-1700 .footernavcont .cnasiconcontact .erweimazhuans .erweima img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .footer .w-1700 .footerbanquan {
    margin-top: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 0.01rem solid #ffffff42;
    padding-top: 0.3rem;
  }
  .footer .w-1700 .footerbanquan p {
    font-size: 0.18rem;
    color: #fff;
  }
  .footer .w-1700 .footerbanquan .righruyfhu {
    display: flex;
    align-items: center;
    font-size: 0.18rem;
    color: #fff;
    gap: 0.1rem;
  }
  .footer .w-1700 .footerbanquan .righruyfhu a {
    font-size: 0.18rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.5s;
  }
  .footer .w-1700 .footerbanquan .righruyfhu a:hover {
    color: #fff;
    transition: all 0.5s;
  }
}