.header-box {
  position: relative;
  width: 1920px;
}
.header-box .banner {
  width: 1920px;
  height: 639px;
  background-image: url("../../images/contactUs/banner.png");
  background-repeat: no-repeat;
  background-size: cover;
}
.header-box .banner a {
  width: 100%;
  height: 100%;
}
.header-box .header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background-color: rgba(0, 0, 0, 0.12);
  z-index: 100;
}
.header-box .header .head {
  width: 1480px;
  display: flex;
  height: 120px;
  justify-content: space-between;
}
.header-box .header .head .head-left {
  display: flex;
  align-items: center;
}
.header-box .header .head .head-left .img {
  width: 46.2px;
  height: 60px;
  margin-right: 10px;
}
.header-box .header .head .head-left .title {
  font-size: 23px;
  color: white;
}
.header-box .header .head .nav-list {
  display: flex;
}
.header-box .header .head .nav-list .our-server {
  color: white;
  cursor: pointer;
  display: block;
  min-width: 73px;
  height: 40px;
  line-height: 40px;
}
.header-box .header .head .nav-list .nav-i {
  display: flex;
  position: relative;
}
.header-box .header .head .nav-list .nav-i a {
  min-width: 73px;
  color: white;
  height: 40px;
  line-height: 40px;
}
.address-box {
  background-color: #EFEFEF;
  padding: 67px 0;
}
.address-box .addressinfo {
  margin: 0 auto;
  width: 1132px;
  background: #ffffff;
  opacity: 1;
  display: flex;
  align-items: center;
}
.address-box .addressinfo img {
  width: 723px;
  height: 279px;
}
.address-box .addressinfo .desktop {
  display: block;
}
.address-box .addressinfo .mobile {
  display: none;
}
.address-box .addressinfo .info {
  display: flex;
  flex-direction: column;
  margin-left: 52px;
}
.address-box .addressinfo .info .info-item {
  display: flex;
  padding: 25px 0;
  border-bottom: 1px dashed #E3E3E3;
  width: 357px;
}
.address-box .addressinfo .info .info-item:last-of-type {
  border: none;
}
.address-box .addressinfo .info .info-item img {
  width: 32px;
  height: 32px;
  margin-right: 12px;
}
.address-box .addressinfo .info .info-item .desc {
  color: #1B1B1B;
}
.address-box .addressinfo .info .info-item .desc .grey {
  font-size: 14px;
  margin-top: 4px;
  color: #7C7C7C;
}