.footer_box {
  width: 100%;
  background: #F7F7F7;
  padding: calc(14px + 4rem) 0;
}

.footer {
  max-width: 1521px;
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer_left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: calc(4px + 0.5rem);
}

.footer_left .footer_img {
  width: calc(19px + 20rem);
}

.footer_left .footer_img img {
  width: 100%;
}

.footer_line {
  width: 100%;
  height: 1px;
  background: #DCDCDC;
}

.footer_nav {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: calc(4px + 2rem);
  margin-top: calc(3px + 0.25rem);
}

.footer_nav p {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(8px + 0.5rem);
  color: #666666;
}

.footer_right {
  display: flex;
  justify-content: flex-end;
  gap: calc(4px + 2rem);
}

.footer_icon_box {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(10px + 1rem);
}

.footer_icon {
  width: calc(10px + 2rem);
  cursor: pointer;
}

.footer_icon img {
  width: 100%;


}

.footer_tel {
  border-left: 1px #DCDCDC solid;
  padding-left: calc(3px + 2rem);
}

.footer_tel p:nth-of-type(1) {
  font-family: OPPOSans-H;
  font-weight: normal;
  font-size: calc(6px + 1rem);
  color: #333333;
}

.footer_tel p:nth-of-type(2) {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(6px + 0.5rem);
  color: #999999;
  margin-top: calc(4px + 1rem);
}

.copyright_box {
  width: 100%;
  padding: calc(3px + 1rem) 0;
  background-color: #1D5D9F;
}

.copyright {
  max-width: 1521px;
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;

}

.copyright p {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(8px + 0.5rem);
  color: #FFFFFF;
  opacity: 0.7;
}
.footer_img1{
  display: none;
}

/* 屏幕宽度小于800px */
@media (max-width: 800px) {

  .footer{
    width: 90%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(12px + 1rem);
  }
  .footer_nav{
    flex-wrap: wrap;
  }
  .footer_nav p{
    font-size: calc(12px + 1rem);
  }
  .footer_img1{
    display: block;
  }
  .footer_img{
    display: none;
  }

  .footer_img1{
    width: 90%;
    margin: auto;
    margin-bottom: calc(10px + 1rem);
  }
  .footer_line{
    display: none;
  }
  .footer_left{
    width: 100%;
  }
  .footer_right{
    width: 100%;
    justify-content: space-between;
  }
  .footer_icon {
    width: calc(5px + 8rem);
}
.footer_tel{
  padding-left: calc(6px + 2rem);
}
.footer_tel p:nth-of-type(1){
  font-size: calc(12px + 1rem);
 
}
.footer_tel p:nth-of-type(2){
font-size: calc(10px + 1rem);
}
.copyright{
  width: 90%;
}

.copyright p{
  font-size: calc(9px + 1rem);
}
}