body {
  width: 100%;
  max-width: 1920px;
  height: 100%;
  font-family: PingFangSC, PingFang SC;
  overflow-x: auto;
  margin: auto;
  font-size: 14px;
  color: #333;
}
body a:hover {
  text-decoration: none;
}
section {
  min-width: 1200px;
  background-size: cover;
}
section img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.container {
  position: relative;
  width: 1200px;
  height: auto;
  margin: auto;
}
.container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.container .title {
  font-size: 34px;
  line-height: 48px;
  letter-spacing: 1px;
  text-align: center;
  margin-bottom: 6px;
}
.container .title > span {
  position: relative;
  display: inline-block;
}
.container .title > span::before,
.container .title > span::after {
  position: absolute;
  content: '';
  top: 50%;
  transform: translateY(-44%);
  left: -70px;
  width: 28px;
  height: 28px;
  background: url("../images/side-icon.png") no-repeat;
}
.container .title > span::after {
  transform: rotateY(180deg) translateY(-44%);
  left: auto;
  right: -70px;
}
.container .subtitle {
  text-align: center;
  font-size: 15px;
  color: #999999;
  line-height: 21px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  width: 1200px;
  margin: auto;
  height: 80px;
}
header h1 {
  float: left;
  width: 176px;
  height: 40px;
}
header img {
  width: 100%;
  height: 100%;
}
header .main-nav {
  float: right;
  text-align: right;
  line-height: 22px;
  font-size: 14px;
}
header .main-nav b {
  color: #F13A3A;
  font-size: 20px;
}
header .main-nav p:last-child {
  color: #999;
}
.banner {
  min-width: 1200px;
  height: 480px;
}
.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.bg1 {
  height: 970px;
  background: url("../images/bg1.jpg") no-repeat 50%;
  background-size: cover;
}
.ServiceProject {
  padding: 40px 0;
}
.ServiceProject .content {
  display: flex;
  justify-content: space-between;
  height: 376px;
  margin: 40px 0 20px;
}
.ServiceProject .content > .left {
  width: 282px;
  min-width: 282px;
  height: 100%;
  margin-right: 24px;
  padding: 37px 0;
  box-sizing: border-box;
  background: url("../images/left-bg.png") no-repeat;
  background-size: 100% 100%;
}
.ServiceProject .content > .left > p {
  font-size: 24px;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 33px;
  text-align: center;
}
.ServiceProject .content > .left > .list {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-top: 20px;
  padding: 0 48px;
  box-sizing: border-box;
}
.ServiceProject .content > .left > .list > li {
  height: 45px;
  color: #FFFFFF;
  font-size: 18px;
  line-height: 45px;
  text-align: center;
  border-radius: 4px;
  border: 1px solid #FFFFFF;
  box-sizing: border-box;
}
.ServiceProject .content > .left > .list > li:not(:last-child) {
  margin-bottom: 12px;
}
.ServiceProject .content > .right {
  display: flex;
  flex-wrap: wrap;
}
.ServiceProject .content > .right > li {
  position: relative;
  width: 281px;
  height: 177px;
  padding: 30px 26px;
  background: #FFFFFF;
  box-shadow: 0px 2px 14px 0px rgba(18, 102, 177, 0.1);
  box-sizing: border-box;
  border-radius: 10px;
  overflow: hidden;
}
.ServiceProject .content > .right > li > a {
  display: inline-block;
  width: 115px;
  height: 36px;
  border: 1px solid #588DF2;
  margin-top: 36px;
  line-height: 34px;
  text-align: center;
  opacity: 1;
  border-radius: 4px;
  color: #588DF2;
  cursor: pointer;
  box-sizing: border-box;
  transition: all 0.3s;
}
.ServiceProject .content > .right > li > a:hover {
  text-decoration: none;
  background: #588DF2;
  color: #fff;
}
.ServiceProject .content > .right > li .right-item__title {
  font-size: 18px;
  font-weight: 600;
  line-height: 25px;
}
.ServiceProject .content > .right > li .right-item__subtitle {
  color: #666666;
  line-height: 20px;
}
.ServiceProject .content > .right > li:not(:nth-child(3n)) {
  margin-right: 25px;
}
.ServiceProject .content > .right > li:not(:nth-last-child(-n+3)) {
  margin-bottom: 22px;
}
.ServiceProject .content > .right > li::after {
  position: absolute;
  content: '';
  bottom: -12px;
  right: 0;
  width: 74px;
  height: 74px;
  background: url("../images/icon1.png") no-repeat;
}
.BuildingReason .content {
  display: flex;
  justify-content: space-between;
  margin-top: 75px;
}
.BuildingReason .content > li {
  position: relative;
  flex: 1;
  padding: 33px 30px 26px;
  background: #FFFFFF;
  box-shadow: 0px 2px 14px 0px rgba(18, 102, 177, 0.1);
  border-radius: 10px;
}
.BuildingReason .content > li:not(:last-child) {
  margin-right: 46px;
}
.BuildingReason .content > li > img {
  position: absolute;
  width: 110px;
  height: 110px;
  top: -46px;
  right: 12px;
}
.BuildingReason .content > li .item__title {
  position: relative;
  padding-left: 12px;
  margin-bottom: 18px;
  font-size: 18px;
  font-weight: 600;
  color: #1363FF;
  line-height: 25px;
}
.BuildingReason .content > li .item__title::before {
  position: absolute;
  content: '';
  width: 2px;
  height: 16px;
  background: #1363FF;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.BuildingReason .content > li .item__text {
  font-size: 13px;
  color: #666666;
  line-height: 18px;
  text-justify: justify;
}
.bg2 {
  height: 1109px;
  background: url("../images/difficulty1.jpg") no-repeat 50%;
}
.bg3 {
  height: 591px;
  background: url("../images/advantage.jpg") no-repeat 50%;
}
.bg4 {
  height: 700px;
  background: url("../images/question1.png") no-repeat 50%;
}
.bg5 {
  height: 534px;
  background: url("../images/swiperbg.png") no-repeat 50%;
}
footer {
  background-color: #242633;
}
footer .copyright {
  width: 100%;
  height: 45px;
  line-height: 45px;
  text-align: center;
  font-size: 12px;
  font-weight: 400;
  color: #FEFEFE;
  background-color: #2E303C;
}
footer a {
  color: #fff;
}
footer img {
  vertical-align: sub;
}
.footer-content {
  width: 1200px;
  min-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  padding: 38px 0px 32px 0px;
}
.footer-content .foot-nav {
  display: flex;
}
.footer-content .foot-nav > div {
  margin-right: 91px;
}
.footer-content .foot-nav > div > h5 {
  font-size: 18px;
  font-weight: normal;
  color: #FEFEFE;
  margin-bottom: 16px;
}
.footer-content .foot-nav > div > a {
  display: block;
  font-size: 14px;
  color: #B5B5B5;
  margin-bottom: 14px;
}
.footer-content .footer-show-info {
  padding: 0px 157px 0px 56px;
  border-left: 1px solid rgba(255, 255, 255, 0.4);
  border-right: 1px solid rgba(255, 255, 255, 0.4);
  color: #FEFEFE;
}
.footer-content .footer-show-info .work {
  display: flex;
  align-items: center;
}
.footer-content .footer-show-info .work:not(:last-child) {
  margin-bottom: 35px;
}
.footer-content .footer-show-info .work-title {
  width: 100px;
  font-size: 18px;
}
.footer-content .footer-show-info .work-box {
  width: 200px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border-radius: 4px;
  border: 1px solid #FFFFFF;
}
.footer-content .QRCode {
  color: #fff;
}
.footer-content .QRCode .code-img {
  position: relative;
  width: 130px;
}
.footer-content .QRCode .code-img > img {
  width: 100%;
}
.case {
  padding-top: 40px ;
}
.cases-img {
  position: relative;
  margin-top: 40px;
  overflow: hidden;
}
.cases-img .img {
  height: 340px;
}
.ttprev {
  position: absolute;
  top: 60%;
  left: -80px;
  width: 60px;
  height: 60px;
  background: url(/images/prev.png) no-repeat 0px 0px;
  background-size: 100% 100%;
  margin-top: calc(-1 * var(--swiper-navigation-size)/2);
  cursor: pointer;
  z-index: 10;
}
.ttnext {
  position: absolute;
  top: 60%;
  right: -80px;
  width: 60px;
  height: 60px;
  background: url(/images/next.png) no-repeat 0px 0px;
  background-size: 100% 100%;
  margin-top: calc(-1 * var(--swiper-navigation-size)/2);
  cursor: pointer;
  z-index: 10;
}