.pcb-wrapper {
  min-width: 1200px;
}
.pcb-wrapper .img-bn {
  width: 100%;
}
.pcb-wrapper .sec {
  padding: 80px 0;
}
.pcb-wrapper .sec .com-tit {
  font-size: 30px;
  color: #303133;
  line-height: 30px;
  text-align: center;
}
.pcb-wrapper .sec .com-desc {
  font-size: 16px;
  text-align: center;
  color: #909399;
  line-height: 16px;
  margin-top: 24px;
}
.pcb-wrapper .content .sec-1 .itms {
  margin-top: 50px;
}
.pcb-wrapper .content .sec-1 .itms .itm {
  height: 96px;
  background: #ffffff linear-gradient(180deg, #f3f5f8, #ffffff);
  border: 2px solid #ffffff;
  border-radius: 4px;
  box-shadow: 0px 4px 11px 0px rgba(228, 228, 228, 0.4);
  padding: 24px 24px 0 24px;
  width: 384px;
  margin-left: 24px;
}
.pcb-wrapper .content .sec-1 .itms .itm:first-child {
  margin-left: 0;
}
.pcb-wrapper .content .sec-1 .itms .itm .icon {
  width: 48px;
  height: 48px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.pcb-wrapper .content .sec-1 .itms .itm .icon.icon1 {
  background-image: url('../../images/about/img-13.png');
}
.pcb-wrapper .content .sec-1 .itms .itm .icon.icon2 {
  background-image: url('../../images/about/img-n19.png');
}
.pcb-wrapper .content .sec-1 .itms .itm .icon.icon3 {
  background-image: url('../../images/about/img-14.png');
}
.pcb-wrapper .content .sec-1 .itms .itm .ct {
  margin-left: 24px;
}
.pcb-wrapper .content .sec-1 .itms .itm .ct p:first-child {
  font-size: 16px;
  font-weight: 600;
  color: #303133;
}
.pcb-wrapper .content .sec-1 .itms .itm .ct p:last-child {
  font-size: 14px;
  color: #606266;
  margin-top: 8px;
}
.pcb-wrapper .content .sec-1 .itms .itm .ct p:last-child a {
  color: #0052D9;
}
.pcb-wrapper .content .sec-2 {
  background: #f4f5f7;
}
.pcb-wrapper .content .sec-2 .map {
  margin-top: 48px;
  height: 300px;
  background: url('../../images/about/img-n20.png') no-repeat;
  background-size: 100% 100%;
}
.pcb-wrapper .content .sec-3 .maps {
  margin-top: 48px;
}
.pcb-wrapper .content .sec-3 .maps li {
  width: 588px;
  height: 300px;
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
.pcb-wrapper .content .sec-3 .maps li.first {
  background-image: url('../../images/about/img-n21.png');
}
.pcb-wrapper .content .sec-3 .maps li.last {
  background-image: url('../../images/about/img-n22.png');
  margin-left: 24px;
}
.pcb-wrapper .content .sec-4 {
  background: #f4f5f7;
  padding: 0;
  position: relative;
}
.pcb-wrapper .content .sec-4 .tit-desc {
  position: absolute;
  top: 80px;
  width: 1200px;
  left: 50%;
  margin-left: -580px;
}
.pcb-wrapper .content .sec-4 .map {
  height: 514px;
  background: url('../../images/about/img-n23.png') no-repeat;
  background-size: 100% 100%;
}