.head-bg {
  width: 100%;
  height: 320px;
  background-image: url("https://img.buildmost.com/static/image/landing-page/contactUS-bg.png");
}

.head-title {
  display: flex;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
  font-size: 86px;
  font-weight: bold;
  color: #ffffff;
}

.head-title::before,
.head-title::after {
  content: '';
  width: 60px;
  height: 4px;
  background: #ffffff;
}

.head-title::before {
  margin-right: 15px;
}

.head-title::after {
  margin-left: 15px;
}

.article {
  display: flex;
  width: 100%;
  flex-direction: column;
}

.nav-icon {
  width: 100%;
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
}

.nav-icon li {
  position: relative;
  width: 16%;
  height: 180px;
  background: #fff;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  color: #333333;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.nav-icon li:nth-child(3) {
  justify-content: flex-end;
}

.nav-icon li::after {
  position: absolute;
  left: 0;
  bottom: 0;
  content: "";
  height: 8px;
  width: 100%;
  border-radius: 0px 0px 8px 8px;
}

.nav-icon li:nth-child(1)::after {
  background: #ff6f6d;
}
.nav-icon li:nth-child(2)::after,.chinese-show .nav-icon li:nth-child(1)::after {
  background: #18c2aa;
}

.nav-icon li:nth-child(3)::after,.chinese-show .nav-icon li:nth-child(2)::after {
  background: #0099ff;
}

.nav-icon li:nth-child(4)::after,.chinese-show .nav-icon li:nth-child(3)::after {
  background: #e5bc4f;
}

.nav-icon li:nth-child(5)::after,.chinese-show .nav-icon li:nth-child(4)::after {
  background: #9f65c1;
}

.nav-icon img {
  position: absolute;
  margin: auto;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  margin-top: -28px;
}

.nav-icon h3 {
  font-weight: bold;
  font-size: 24px;
  margin-bottom: 20px;
}

.nav-icon h5 {
  font-weight: 400;
  font-size: 18px;
}

.nav-icon h6 {
  margin: 15px 0 23px;
  font-size: 14px;
  font-weight: 400;
  color: #666666;
}

.img-container {
  width: 100%;
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
}

.img-container div:nth-child(1) {
  width: 59.6%;
}

.img-container div:nth-child(2) {
  width: 39.3%;
}

.img-container img {
  width: 100%;
  height: 100%;
}

.introduce-layer {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  color: #333333;
}

.introduce-layer div {
  min-width: 49.45%;
  position: relative;
  height: 160px;
  background: #FFFFFF;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
  opacity: 1;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.introduce-layer div::after {
  position: absolute;
  left: 0;
  bottom: 0;
  content: "";
  width: 100%;
  height: 8px;
  border-radius: 0px 0px 8px 8px;
}

.introduce-layer h3 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}

.introduce-layer h5 {
  width: 420px;
  line-height: 28px;
  font-size: 18px;
  font-weight: 400;
}

.office::after {
  background: #18c2aa;
}

.showroom::after {
  background: #0099ff;
}

/* 1207  */
.mask_bg {
  position: fixed;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
}

.wechatCode {
  width: 200px;
  height: 200px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.wechatCode img {
  width: 100%;
  height: 100%;
}

.wechatCode_off {
  position: absolute;
  top: 30%;
  width: 24px;
  height: 24px;
  background: #999999;
  color: #F9F9F9;
  text-align: center;
  line-height: 24px;
}

/* page页面移动 */
.wechatImg_show_box {
  display: none;
}

.mask_bg {
  position: fixed;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
}

.wechatCode_box {
  width: 200px;
  height: 200px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.wechatCode {
  width: 200px;
  height: 200px;
  position: absolute;
}

.wechatCode img {
  width: 100%;
  height: 100%;
}

.wechatCode_off {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 24px;
  height: 24px;
  background: #999999;
  color: #F9F9F9;
  text-align: center;
  line-height: 24px;
  border-radius: 50%;
  z-index: 1;
}

.nav-icon li:nth-child(6)::after {
  background: #1666C1;
}

/* 页面 */
.nav-icon li {
  position: relative;
  width: 48%;
  height: 180px;
  background: #fff;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  color: #333333;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.nav-icon li h5 {
  color: #0099FF;
}

.nav-icon h6 {
  margin: 15px 0 23px;
  font-size: 14px;
  font-weight: 400;
  color: #666666;
}

.chinese-box .introduce-layer h5 {
  width: auto;
}