/* 集团介绍 */
.aboutus .module1 {
  position: relative;
  margin: 3.65% 0;
  padding-bottom: 48px;
}

.aboutus .module1 .right-img {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 43%;
  height: 100%;
  object-fit: cover;
}

.aboutus .module1 .left-info-box {
  padding-left: 3.65%;
  padding-right: 3.65%;
}

.aboutus .module1 .left-info {
  padding-right: 47.4%;
}

.aboutus .module1 .tit {
  font-weight: bold;
  color: #1F204C;
}

.aboutus .module1 .pub-line {
  margin-top: 30px;
  margin-bottom: 25px;
}

.aboutus .module1 .litter-tit {
  line-height: 1.5;
  font-weight: bold;
  color: #1F204C;
}

.aboutus .module1 .desc {
  margin-top: 10px;
  line-height: 1.7;
  color: #4A4C6E;
  text-align: justify;
}

.aboutus .module1 .summarize {
  position: relative;
  margin-top: 60px;
  padding-left: 3.65%;
  padding-right: 3.65%;
}

.aboutus .module1 .summarize::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 30%;
  background: #1F204C;
}

.aboutus .module1 .summarize .list {
  display: inline-flex;
  position: relative;
  padding: 36px 6.9% 37px 0;
  background: #1F204C;
  color: #FFFFFF;
}

.aboutus .module1 .summarize .item {
  position: relative;
  padding-left: 80px;
  padding-right: 80px;
}

.aboutus .module1 .summarize .item:first-child {
  padding-left: 0;
}

.aboutus .module1 .summarize .item:last-child {
  padding-right: 0;
}

.aboutus .module1 .summarize .item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 1px;
  height: 60px;
  transform: translateY(-50%);
  background: #E1E1EB;
  opacity: 0.3;
}

.aboutus .module1 .summarize .txt1 {
  padding-bottom: 16px;
  font-weight: bold;
}

.aboutus .module1 .summarize .txt2 span:nth-child(1) {
  font-size: 60px;
  font-weight: bold;
}

.aboutus .module1 .summarize .txt2 span:nth-child(2) {
  position: relative;
  top: 16px;
  padding-left: 8px;
  font-size: 16px;
}

/* 公司介绍 */
.aboutus .module2 {
  position: relative;
  margin-top: 7.3%;
}

.aboutus .module2 .bg {
  position: absolute;
  left: 50%;
  width: 100%;
  max-width: 1920px;
  height: 100%;
  object-fit: cover;
  transform: translateX(-50%);
}

.aboutus .module2 .cont {
  position: relative;
  color: #fff;
  padding-top: 8.33%;
  padding-bottom: 2.6%;
  padding: 8.33% 4% 2.6% 4%;
}

.aboutus .module2 .pub-line {
  background: #fff;
  margin-top: 30px;
  margin-bottom: 5.7%;
}

.aboutus .module2 .summarize {
  display: flex;
}

.aboutus .module2 .summarize .item {
  margin-right: 11.4%;
}

.aboutus .module2 .summarize .txt1 {
  padding-bottom: 16px;
  font-weight: bold;
}

.aboutus .module2 .summarize .txt2 span:nth-child(1) {
  font-weight: bold;
}

.aboutus .module2 .summarize .txt2 span:nth-child(2) {
  position: relative;
  top: 16px;
  padding-left: 8px;
}

.aboutus .module2 .compony-info {
  box-sizing: border-box;
  width: 72.8%;
  padding: 2.85%;
  margin-top: 50px;
  background: rgba(6, 7, 37, 0.5);
  text-align: justify;
}

.aboutus .module2 .litter-tit {
  padding-bottom: 15px;
  font-weight: bold;
}

.aboutus .module2 .desc {
  line-height: 1.7;
  margin-bottom: 3%;
}

.aboutus .module2 .bottom {
  line-height: 1.5;
  text-align: justify;
  margin-top: 4%;
  font-weight: bold;
}

/* 设计研究院 */
.aboutus .module3 {
  background: #F7F7F9;
}

.aboutus .module3 .nav-list {
  text-align: center;
  white-space: nowrap;
}

.aboutus .module3 .nav-item {
  display: inline-block;
  margin-left: 40px;
  margin-right: 40px;
  font-weight: bold;
  color: #4A4C6E;
  cursor: pointer;
}

.aboutus .module3 .nav-item::before {
  position: relative;
  top: -3px;
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  background: #8B8CA2;
}

.aboutus .module3 .nav-item.active {
  color: #1F204C;
}

.aboutus .module3 .nav-item.active::before {
  background: #1F204C;
}

.aboutus .module3 .cont-list {
  padding-top: 3.75%;
  padding-bottom: 3%;
  padding-left: 4%;
  padding-right: 4%;
  text-align: center;
}

.aboutus .module3 .cont-item {
  display: none;
  max-width: 1200px;
  margin: 0 auto;
}

.aboutus .module3 .cont-item.active {
  display: block;
}

.aboutus .module3 .cont-item img {
  max-width: 100%;
}

.aboutus .module3 .cont-item .tit {
  padding-top: 3.33%;
  padding-bottom: 2.33%;
  font-weight: bold;
  text-align: center;
}

.aboutus .module3 .cont-item p {
  line-height: 1.5;
  text-align: center;
  margin-bottom: 1.8%;
}

.aboutus .module3 .cont-item p:last-child {
  margin-bottom: 0;
}

/* 生产制造基地 */
.aboutus .module4 {
  padding-bottom: 3.125%;
}

.aboutus .module4 .cont-list {
  box-shadow: 0px 2px 10px 0px rgba(16, 17, 55, 0.1);
}

.aboutus .module4 .nav-list {
  /* display: flex;
    white-space: nowrap; */
  font-size: 0;
  position: relative;
  padding-bottom: 6px;
  white-space: nowrap;
  text-align: center;
}

.aboutus .module4 .nav-item {
  position: relative;
  box-sizing: border-box;
  display: inline-block;
  min-width: 191px;
  padding: 10px 0 10px 30px;
  margin-right: 10px;
  text-align: left;
  background: #F7F7F9;
  cursor: pointer;
}

.aboutus .module4 .nav-item.active {
  background: #1F204C;
}

.aboutus .module4 .nav-item:last-child {
  margin-right: 0;
}

.aboutus .module4 .nav-item span:nth-child(1) {
  display: block;
  padding-bottom: 14px;
  font-weight: bold;
  color: #1F204C;
}

.aboutus .module4 .nav-item span:nth-child(2) {
  color: #4A4C6E;
}

.aboutus .module4 .nav-item.active span {
  color: #FFFFFF;
}

.aboutus .module4 .nav-item.active::after {
  position: absolute;
  left: 50%;
  bottom: -11px;
  content: '';
  width: 0;
  height: 0;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: #1F204C transparent transparent transparent;
}

.aboutus .module4 .cont-list {
  margin-top: -6px;
  padding-top: 2.85%;
}

.aboutus .module4 .cont-item {
  display: none;
}

.aboutus .module4 .cont-item.active {
  display: block;
}

.aboutus .module4 .cont-item .tit {
  width: 95.7%;
  margin: 0 auto;
  font-weight: bold;
  padding-bottom: 15px;
  text-align: justify;
}

.aboutus .module4 .cont-item .desc {
  width: 95.7%;
  margin: 0 auto;
  line-height: 1.7;
  margin-bottom: 30px;
  text-align: justify;
}

.aboutus .module4 .cont-item img {
  max-width: 100%;
}


@media only screen and (max-width: 1240px) {
  .aboutus .module1 .summarize .item {
    padding-left: 40px;
    padding-right: 40px;
  }

  .aboutus .module1 .summarize .txt2 span:nth-child(1) {
    font-size: 48px;
  }

  .aboutus .module2 .compony-info {
    width: 83%;
  }

  .aboutus .module2 .summarize .txt2 span:nth-child(2) {
    top: 12px;
  }

  .aboutus .module2 .compony-info {
    margin-top: 30px;
  }

  .aboutus .module3 .nav-item {
    margin-left: 20px;
    margin-right: 20px;
  }
}

@media only screen and (max-width: 768px) {
  .aboutus .module1 .img-box {
    position: relative;
    padding-top: 40%;
    width: 92%;
    margin: 0 auto 30px;
  }

  .aboutus .module1 .right-img {
    position: static;
    margin-top: 20px;
    margin-bottom: 20px;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }

  .aboutus .module1 .left-info {
    padding-right: 0;
  }

  .aboutus .module1 .summarize {
    margin-top: 30px;
  }

  .aboutus .module1 .summarize::before {
    width: 100%;
  }

  .aboutus .module1 .summarize .list {
    padding-top: 15px;
    padding-bottom: 15px;
  }

  .aboutus .module1 .summarize .item {
    padding-left: 25px;
    padding-right: 25px;
  }

  .aboutus .module1 .summarize .txt1 {
    padding-bottom: 12px;
  }

  .aboutus .module1 .summarize .txt2 span:nth-child(1) {
    font-size: 24px;
  }

  .aboutus .module1 .summarize .txt2 span:nth-child(2) {
    top: 3px;
    font-size: 12px;
  }

  .aboutus .module2 .summarize {
    justify-content: space-between;
  }

  .aboutus .module2 .summarize .item {
    margin-right: 0;
  }

  .aboutus .module2 .compony-info {
    width: 100%;
  }

  .aboutus .module2 .summarize .txt2 span:nth-child(2) {
    top: 7px;
  }

  .aboutus .module1 .pub-line {
    margin-top: 20px;
    margin-bottom: 15px;
  }

  .aboutus .module2 .pub-line {
    margin-top: 20px;
  }

  .aboutus .module2 .compony-info {
    margin-top: 10px;
  }

  .aboutus .module1 {
    padding-bottom: 20px;
  }

  .aboutus .module3 .nav-item {
    margin-left: 10px;
    margin-right: 10px;
  }

  .aboutus .module4 .cont-item .desc {
    margin-bottom: 15px;
  }
}

@media only screen and (max-width: 500px) {
  .aboutus .module1 .summarize .item {
    padding-left: 10px;
    padding-right: 10px;
  }
}