/* about下面的所有2级菜单 单独处理, 设计不要每个tab项自适应大小不一, 要求中间固定在90px 的空白, 文字两边固定各加30px */
/* 而中间划过有些空白时会出现跳动的效果, 为了不让其跳动, 此处加了padding, padding能让其显得更顺滑 */
/* 但会出现, 划到空白处时会有选中的情况 */
/* begin */
.sub-menu .sub-menu-item:first-of-type {
  width: 210px;
}
.sub-menu .sub-menu-item:first-of-type > :nth-child(n+1) {
  width: 210px;
}
.sub-menu .sub-menu-item:nth-of-type(2) {
  width: 190px;
}
.sub-menu .sub-menu-item:nth-of-type(2) > :nth-child(n+1) {
  width: 150px;
}
.sub-menu .sub-menu-item:nth-of-type(3) {
  width: 214px;
}
.sub-menu .sub-menu-item:nth-of-type(3) > :nth-child(n+1) {
  width: 174px;
}
.sub-menu .sub-menu-item:last-of-type {
  width: 180px;
}
.sub-menu .sub-menu-item:last-of-type > :nth-child(n+1) {
  width: 140px;
}
.sub-menu .sub-menu-item:nth-child(n+1) {
  padding: 0 30px;
}
.sub-menu .sub-menu-item:first-of-type {
  padding: 0;
}
.sub-menu .sub-menu-item:not(:first-of-type) > a {
  left: 30px;
}
/* end */

.content {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin: 70px 0 0 0;
}

.company-overview {
  width: 100%;
  height: 806px;
  position: relative;
}
.company-overview-box {
  display: flex;
  width: 1400px;
  margin: auto;
}
.company-overview-left {
  display: flex;
  flex-direction: column;
  margin: 0 72px 0 0;
  position: relative;
}
.company-overview-left .img {
  width: 310px;
  height: 355px;
  background: url(/en/images/about/index/company-overview.png) center center / 100% 100% no-repeat;
  transition: .8s;
  border-radius: 12px;
}
.company-overview-left .img:hover {
  background-size: 110% 110%!important;
}
.company-overview-right .company-overview-desc {
  font-size: 18px;
  font-weight: 400;
  color: #222;
  line-height: 30px;
}
.city-box {
  width: 1400px;
  margin: 90px auto 0 auto;
  position: relative;
}
.city-box-absolute {
  display: flex;
  width: 1400px;
  height: 462px;
  background: #EFF4F9;
  border-radius: 12px;
  margin: auto;
  padding: 80px 50px 90px 60px;
  position: absolute;
}
.city-box-absolute .item {
  flex: 1;
  display: flex;
}
.city-box-absolute .item:last-of-type {
  margin: 0 0 0 120px;
}
.city-box-absolute .item .item-title {
  font-size: 30px;
  font-weight: bold;
  color: #222;
  margin: 24px 0 0 0;
}
.city-box-absolute .city-name {
  font-size: 18px;
  font-weight: 400;
  color: #222;
  text-align: center;
}
.city-list {
  display: flex;
  flex-wrap: wrap;
  width: 350px;
  margin: 0 0 0 auto;
}
.city-list .city {
  margin: 0 40px 40px 0;
}
.city-list .city:nth-of-type(3n) {
  margin: 0 0 40px 0;
}
.city-list .city img {
  width: 90px;
  height: 90px;
  margin: 0 0 10px 0;
}

.nf-list {
  display: flex;
  margin: 0 0 0 38px;
}
.nf-list .nf-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.nf-list .nf-item:last-of-type {
  margin: 0 0 0 56px;
}
.nf-list .nf-item img {
  width: 90px;
  height: 90px;
}
.nf-list .nf-item img:last-of-type {
  height: 28px;
  width: 116px;
  margin: 32px 0 15px 0;
}
.nf-list .nf-item .percent {
  font-size: 14px;
  font-weight: 400;
  color: #004098;
  margin: 0 0 40px 0;
}
.business-development-situation {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 600px;
  background:url(/en/images/about/index/qualifications-bg.png) center / 100% auto no-repeat;
}
.business-development-situation-title {
  font-size: 42px;
  font-weight: bold;
  color: #fff;
  margin: 250px auto 0 auto;
  text-align: center;
}
.business-development-situation .desc {
  width: 1400px;
  margin: 30px auto 60px auto;
  font-size: 18px;
  font-weight: 400;
  color: #fff;
  line-height: 30px;
}
.business-development-situation .desc .tips {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, .7);
  margin: 20px 0 0 0;
}
.list {
  display: flex;
  justify-content: center;
  width: 1400px;
  margin: 0 auto;
  padding: 0 128px;
  color: #fff;
}
.list .item {
  display: flex;
  flex-direction: column;
}
.list .item:first-of-type {
  margin: 0 200px 0 0;
}
.list .item .item-title {
  font-size: 18px;
  font-weight: 400;
}
.list .item .count-unit {
  display: flex;
}
.list .item .count-unit .count {
  font-size: 48px;
  font-weight: bold;
}
.list .item .count-unit .unit {
  align-self: flex-end;
  font-size: 20px;
  font-weight: 400;
  margin: auto 0 10px 10px;
}

.qualifications-box {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 1020px;
  position: relative;
}
.qualifications-box .title {
  font-size: 42px;
  color: #222;
  margin: 105px auto 60px auto;
  text-align: center;
}
.qualifications {
  display: flex;
  flex-direction: column;
  width: 1400px;
  margin: 0 auto;
  position: relative;
}
.qualifications .qualifications-list {
  display: flex;
}
.qualifications .qualifications-list .item {
  display: flex;
  width: 258px;
  max-width: 258px;
  min-width: 258px;
  height: 350px;
}
.qualifications .qualifications-list .item .item-border-left {
  height: 318px;
  width: 2px;
  background-image: linear-gradient(180deg, rgba(170, 170, 170, 1), rgba(219, 234, 255, 0));
  opacity: .6;
}
.qualifications .qualifications-list .item:nth-of-type(2) .item-border-left {
  height: 318px;
}
.qualifications .qualifications-list .item:nth-of-type(3) .item-border-left {
  height: 302px;
}
.qualifications .qualifications-list .item:nth-of-type(4) .item-border-left {
  height: 260px;
}
.qualifications .qualifications-list .item:nth-of-type(5) .item-border-left {
  height: 200px;
}
.qualifications .qualifications-list .item .item-box .years {
  font-size: 24px;
  font-weight: 600;
  color: #222;
  margin: 0 auto 18px 30px;
  line-height: 20px;
}
.qualifications .qualifications-list .item .item-box .desc {
  width: 200px;
  font-size: 16px;
  font-weight: 600;
  color: #222;
  line-height: 26px;
  margin: 0 auto 0 30px;
}
.qualifications-list-top {
  margin: 0 0 0 22px;
}
.qualifications-list-bottom {
  overflow: hidden;
  height: 452px;
  margin: 0 0 0 152px;
  position: absolute;
  top: 208px;
  width: 1190px;
}
.qualifications > img {
  position: absolute;
  top: 110px;
  width: 1400px;
  height: 244px;
}
.qualifications .qualifications-list-bottom .item .item-border-left {
  height: 308px;
  width: 2px;
  background-image: linear-gradient(180deg, rgba(219, 234, 255, 0), rgba(170, 170, 170, 1));
  opacity: .6;
}
.qualifications .qualifications-list-bottom .item {
  align-items: flex-end;
  height: 452px;
  position: relative;
}
.qualifications .qualifications-list-bottom .item .item-box {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 228px;
}
.qualifications .qualifications-list-bottom .item:nth-of-type(2) .item-box {
  top: 200px;
}
.qualifications .qualifications-list-bottom .item:nth-of-type(3) .item-box {
  top: 144px;
}
.qualifications .qualifications-list-bottom .item:nth-of-type(4) .item-box {
  top: 90px;
}
.qualifications .qualifications-list-bottom .item:last-of-type .item-box {
  top: 40px;
}
.qualifications .qualifications-list-bottom .item:nth-of-type(2) .item-border-left {
  height: 310px;
}
.qualifications .qualifications-list-bottom .item:nth-of-type(3) .item-border-left {
  height: 340px;
}
.qualifications .qualifications-list-bottom .item:nth-of-type(4) .item-border-left {
  height: 386px;
}
.qualifications .qualifications-list-bottom .item:nth-of-type(5) .item-border-left {
  height: 452px;
}