.record_number {
  width: 100%;
  height: 3.125vw;
  background: #181818;
  opacity: 0.8;
  text-align: center;
  line-height: 3.125vw;
}
.record_number span {
  font-size: 1.04vw;
  color: #ffffff;
  line-height: 1;
}
.record_number a {
  cursor: pointer;
}
footer {
  position: relative;
}
.contact {
  position: absolute;
  top: 12vw;
  left: 8.75vw;
  right: 8.75vw;
  font-size: 1.25vw;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
}
.contact p {
  margin-left: 1.04vw;
}
.contact .mobile,
.contact .mail,
.contact .location {
  display: flex;
  align-items: center;
}
.contact img {
  width: 3.125vw;
  height: 3.125vw;
}
.contact .mobile span {
  margin-left: 1.04vw;
}
@media (max-width: 480px) {
  .contact {
    top: 8vw;
    flex-direction: column;
  }
}
header {
  position: relative;
}
header .click_block_cn {
  right: 8.23vw;
}
header .click_block_cn,
header .click_block_en {
  position: absolute;
  top: 4.8vw;
  width: 2.5vw;
  height: 1.25vw;
  cursor: pointer;
}

header .click_block_en {
  right: 4.48vw;
}

.business-unit{
  position: relative;

}
.business-unit-container .block1,
.business-unit-container .block2,
.business-unit-container .block3 {
  position: absolute;
  top: 18vw;
  width: 29.5vw;
  height: 32vw;
  cursor: pointer;
}
.business-unit-container .block1{
  left: 4.2vw;
}
.business-unit-container .block2{
  left: 34.5vw;
}
.business-unit-container .block3{
  left: 65vw;
}