.about-banner {
  max-height: 500px;
  position: relative;
}
.about-banner img {
  width: 100%;
}
.nav {
  height: 80px;
  opacity: 1;
  background: rgba(255, 255, 255, 1);
  box-shadow: 0px 2px 20px -5px rgba(0, 0, 0, 0.1);
}
.nav-box {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
}
.nav-box ul {
  height: 100%;
  display: flex;
  align-items: center;
}
.nav-box ul li {
  height: 100%;
  display: flex;
  align-items: center;
  cursor: pointer;
}
.nav-box ul li p {
  font-size: 18px;
}
.nav-box ul li + li {
  margin-left: 80px;
}
.nav-box ul li.active {
  color: #004771;
  position: relative;
}
.nav-box ul li.active::after {
  content: '';
  height: 1px;
  width: 100%;
  background-color: #004771;
  position: absolute;
  bottom: 0;
}
.desc-warp {
  text-align: center;
}
.desc-text {
  width: 1200px;
  margin: 0 auto;
}
.desc-warp .title {
  position: relative;
}
.desc-1 .title {
  margin-top: 97px;
}
.desc-1 .desc-text {
  margin-top: 32px;
  line-height: 27px;
  text-align: left;
  /* padding: 0 30px 0 39px; */
  font-size: 16px;
}
.desc-2, .desc-3, .desc-4, .desc-5 {
  padding-top: 50px;
  min-height: 500px;
}
.about-qualification {
  width: 1200px;
  margin: 56px auto 60px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  color: #969999;
}
.item-qualification .item-title {
  display: flex;
  align-items: baseline;
  font-size: 18px;
  justify-content: center;
}
.item-qualification .item-title h3 {
  font-size: 36px;
  color: #004771;
}
.item-qualification .item-title span {
  color: #004771;
}
.item-qualification .item-desc {
  text-align: center;
  margin-top: 5px;
}
.item-qualification .item-desc p {
  margin-bottom: 5px;
  font-weight: 400;
}
.item-qualification .item-desc span {
  font-weight: 300;
}
.service-list {
  width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 10px;
}
.service-list .item-service:nth-of-type(1) {
  background-image: url('../images/about/desc-1.png');
}
.service-list .item-service:nth-of-type(2) {
  background-image: url('../images/about/desc-2.png');
}
.service-list .item-service:nth-of-type(3) {
  background-image: url('../images/about/desc-3.png');
}
.service-list .item-service {
  height: 477px;
  position: relative;
  background-repeat: no-repeat;
  background-size: cover;
}
.service-list .item-service:hover .item-mark {
  display: none;
}
.service-list .item-service:hover .item-text {
  opacity: 1;
}
.service-list .item-service .item-text {
  opacity: 0;
  transition: opacity 0.3s linear;
  color: #fff;
  background-color: rgb(0,71,113, 0.8);
  height: calc(100% - 60px);
  position: absolute;
  padding: 30px;
  text-align: left;
  line-height: 25px;
}
.service-list .item-mark {
  width: 100%;
  height: 100%;
  position: absolute;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #fff;
}
.service-list .item-mark h3 {
  font-size: 36px;
  font-weight: 400;
}
.service-list .item-mark p {
  font-size: 24px;
  margin-top: 19px;
}
.service-list .item-mark span {
  color: #CCDAE3;
  font-size: 16px;
  margin-top: 12px;
}
.service-list .item-mark button {
  width: 160px;
  height: 48px;
  border-radius: 89px;
  border: 1px solid #fff;
  background-color: transparent;
  margin-top: 66px;
  color: #fff;
}
.profile {
  height: 664px;
  margin-top: 97px;
  background: url('../images/about/bg.png');
}
.profile-warp {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 10px;
  color: #fff;
}
.profile-warp .item-profile {
  display: flex;
  flex-direction: column;
  padding-top: 76px;
}
.profile-warp .item-profile h3 {
  position: relative;
}
.profile-warp .item-profile h3::after {
  content: '';
  height: 2px;
  width: 30px;
  background-color: #fff;
  position: absolute;
  left: 50%;
  margin-left: -15px;
  bottom: -19px;
}
.profile-warp .item-profile .item-text {
  line-height: 27px;
  margin-top: 50px;
}
.honor {
  height: 1215px;
  background-color: #F5F6F7;
}
.honor h3 {
  text-align: center;
  font-size: 30px;
  color: #2A2B2B;
  font-weight: 400;
  padding-top: 86px;
  position: relative;
  display: inline-block;
}
.honor .honor-warp {
  width: 1200px;
  margin: 0 auto;
}
.honor-category {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 58px;
}
.honor-category ul {
  display: flex;
}
.honor-category ul li {
  margin-right: 24px;
  color: #969999;
  font-size: 18px;
  position: relative;
  cursor: pointer;
}
.honor-category ul li.active {
  color: #004771;
}
.honor-category ul li.active::after {
  content: '';
  width: 70px;
  height: 1px;
  background-color: #004771;
  position: absolute;
  left: 0;
  bottom: -6px;
}
.honor-category ul li:last-child {
  margin: 0;
}
.honor-list {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-gap: 15px;
  max-height: 910px;
  overflow: auto;
}
.honor-list .item-honor {
  padding-bottom: 15px;
  background-color: #fff;
}
.honor-list .item-honor img {
  margin-top: 10px;
  width: 100%;
  object-fit: contain;
}
.honor-list .item-honor p {
  font-size: 18px;
  margin-top: 13px;
}
.develop-warp {
  width: 1200px;
  margin: 0 auto;
  text-align: left;
  display: flex;
}
.develop-warp .right-info {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  flex: 1;
}
.develop-warp .right-info h2 {
  font-size: 72px;
  color: #004771;
}
.develop-warp .right-info p {
  font-size: 18px;
  margin-top: 10px;
}
.develop-warp .left-timeline .item-time {
  cursor: pointer;
  width: 85px;
  color: #969999;
}
.develop-warp .left-timeline .item-time.active {
  color: #225B7C;
}
.develop-warp .left-timeline .item-time.active .line {
  background-color: #225B7C;
}
.develop-warp .left-timeline .item-time + .item-time {
  margin-top: 35px;
}
.develop-warp .left-timeline .line {
  width: 30px;
  height: 1px;
  background-color: #969999;
  margin: 10px auto 0;
}
.timeline-detail {
  width: 1200px;
  height: 1px;
  margin: 130px auto 0;
  background-color: #004771;
  display: flex;
  justify-content: space-around;
}
.item-time-detail .time-icon {
  width: 14px;
  height: 14px;
  background-color: #004771;
  border-radius: 50%;
  margin: 0 auto;
  margin-top: -7px;
  position: relative;
  cursor: pointer;
}
.item-time-detail .active::after {
  content: '';
  width: 28px;
  height: 28px;
  background-color: rgba(0, 71, 113, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: -7px;
  top: -7px;
}
.item-time-detail .active::before {
  content: '';
  width: 77px;
  height: 75px;
  background-image: url('../images/about/start.png');
  display: block;
  position: absolute;
  content: '';
  top: -66px;
  left: -33px;
  bottom: -14px;
  background-size: contain;
}
.item-time-detail p {
  margin-top: 20px;
  font-size: 20px;
  color: #004771;
}
.desc-4 {
  padding-top: 85px;
  background: url('../images/about/brand-bg.png');
  background-size: 100% 118%;
}
.brand-box {
  width: 1200px;
  margin: 0 auto 0;
}
.brand-box .brand-warp {
  margin-top: 86px;
  height: 357px;
  display: flex;
  padding-bottom: 170px;
}
.brand-box .brand-warp .left-brand {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-right: 108px;
  flex: 1;
  text-align: left;
  line-height: 27px;
  font-size: 16px;
}
.brand-box .brand-warp .right-brand {
  display: flex;
  flex-direction: column;
  padding-left: 108px;
  text-align: left;
  line-height: 27px;
  font-size: 16px;
  color: #2A2B2B;
  flex: 1;
}
.left-brand .item-text:last-child, .right-brand .item-text:last-child {
  padding-top: 180px;
}
.item-text {
  text-indent: 30px;
}
.organization {
  width: 1200px;
  margin: 39px auto 50px;
}
.organization img {
  width: 70%;
}
.title {
  color: #004771;
  font-size: 36px;
  position: relative;
  display: inline-block;
}
.title::after {
  content: '';
  display: block;
  height: 1px;
  width: 50px;
  background-color: #004771;
  position: relative;
  left: 50%;
  bottom: -14px;
  margin-left: -25px;
}
.desc-5 .person-desc {
  width: 1200px;
  margin: 100px auto 0;
  display: flex;
}
.desc-5 .bg {
  height: 268px;
}
.desc-5 .bg img {
  width: 100%;
  height: 268px;
}
.desc-5 .person-img {
  width: 238px;
  height: 238px;
  background-image: url('../images/about/person.jpg');
  background-size: cover;
  background-repeat: no-repeat;
  border-radius: 50%;
  background-position: 0% 32%;
}
.person-quotation {
  width: 300px;
  display: flex;
  flex-direction: column;
  text-align: left;
  justify-content: space-between;
  margin-left: 50px;
}
.person-quotation .top-text {
  font-size: 24px;
  line-height: 27px;
  text-indent: 48px;
}
.person-quotation .author {
  text-align: right;
}
.person-quotation .author span {
  font-weight: bold;
}
.person-info {
  margin-left: 80px;
  display: flex;
}
.item-info {
  display: flex;
}
.item-info .info-box {
  margin-right: 10px;
  padding-top: 50px;
}
.item-info .info-box .info-top {
  font-size: 16px;
}
.item-info .info-title {
  padding-top: 0;
}
.info-title h3 {
  color: #004771;
  font-size: 20px;
}
.item-info .info-box .info-bottom {
  padding-top: 20px;
}
.item-info + .item-info {
  margin-left: 150px;
}
.culture {
  height: 895px;
  background-color: #F5F6F7;
}
.culture .title {
  margin-top: 92px;
}
.culture .culture-desc {
  margin-top: 47px;
  text-align: left;
  font-size: 16px;
  line-height: 27px;
  text-indent: 50px;
}
.culture-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-gap: 80px;
  margin-top: 100px;
}
.item-culture .item-culture-title {
  width: 117px;
  height: 117px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  background-image: url('../images/about/icon.png');
  background-size: cover;
}
.item-culture-title h3 {
  font-size: 16px;
}
.item-culture p {
  margin-top: 30px;
  font-size: 16px;
}
.service {
  height: 740px;
  background-color: #fff;
}
.service .title {
  margin-top: 92px;
}
.service .service-warp {
  margin-top: 47px;
}
.service-list-about {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-gap: 90px;
}
.item-service-warp {
  display: flex;
}
.item-service-warp .icon {
  width: 98px;
  display: flex;
  position: relative;
  justify-content: center;
}
.item-service-warp p {
  text-align: left;
  margin-left: 13px;
}
.item-service-warp .icon span {
  color: #fff;
  position: relative;
  margin-top: 8px;
}
.item-service-warp .icon::before {
  content: '❤';
  height: 90px;
  font-size: 101px;
  color: #004771;
  position: absolute;
  top: -27px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.water {
  height: 1270px;
  background-color: #F5F6F7;
}
.water .title {
  margin-top: 111px;
}
.water .water-desc {
  font-size: 16px;
  color: #2A2B2B;
  margin-top: 59px;
}
.water .water-desc p {
  padding-left: 39px;
  padding-right: 30px;
}
.water .water-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-gap: 20px;
  margin-top: 50px;
}
.water .item-water {
  display: flex;
  height: 245px;
  background-color: #fff;
  position: relative;
}
.item-water .right-info {
  text-align: left;
  padding-left: 23px;
  padding-top: 26px;
  font-size: 16px;
}
.item-water .right-info .info-title {
  color: #000;
}
.item-water .right-info .info-text {
  color: #969999;
  font-size: 14px;
  line-height: 22px;
  margin-top: 30px;
}
.item-water .water-mark {
  font-size: 60px;
  color: rgba(0, 71, 113, 0.1);
  position: absolute;
  right: 36px;
}