.construction-main {
  width: 100%;
}
.construction-main .construction-banner {
  width: 100%;
}
.construction-main .construction-banner img {
  width: 100%;
  height: auto;
}
.construction-main .construction-advantage {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
  background: url('../images/construction/bg-1.png') center / 100% 100% no-repeat;
}
.construction-main .construction-advantage::after {
  position: absolute;
  top: 116px;
  left: 50%;
  transform: translateX(-50%);
  content: '';
  width: 217px;
  height: 20px;
  background: #DAEAF6;
}
.construction-main .construction-advantage .construction-advantage-title {
  position: relative;
  z-index: 1;
  font-size: 28px;
  font-weight: bold;
  color: #333333;
  margin: 95px 0 65px;
  text-align: center;
}
.construction-main .construction-advantage .construction-advantage-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 1200px;
  height: 270px;
  margin: 0 auto;
}
.construction-main .construction-advantage .construction-advantage-info .advantage-info-item {
  position: relative;
  width: 280px;
  height: 270px;
}
.construction-main .construction-advantage .construction-advantage-info .advantage-info-item::after {
  position: absolute;
  bottom: 0;
  left: 0;
  content: '';
  width: 280px;
  height: 212px;
  background: #FFFFFF;
}
.construction-main .construction-advantage .construction-advantage-info .advantage-info-item:first-child .item-text {
  margin-top: 40px;
}
.construction-main .construction-advantage .construction-advantage-info .advantage-info-item > div {
  position: relative;
  z-index: 1;
}
.construction-main .construction-advantage .construction-advantage-info .advantage-info-item .item-title {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 117px;
  height: 117px;
  background: #124E96;
  box-shadow: 3px 3px 8px 0px rgba(0, 54, 119, 0.42);
  border-radius: 50%;
  margin: 0 auto;
  font-size: 20px;
  font-weight: bold;
  color: #FFFFFF;
  line-height: 35px;
}
.construction-main .construction-advantage .construction-advantage-info .advantage-info-item .item-text {
  font-size: 18px;
  font-weight: 400;
  color: #666666;
  line-height: 35px;
  text-align: center;
  margin-top: 22px;
}
.construction-main .construction-technology {
  position: relative;
  width: 100%;
  height: 593px;
  overflow: hidden;
  background: url('../images/construction/bg.png') center / 100% 100% no-repeat;
}
.construction-main .construction-technology::after {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  content: '';
  width: 217px;
  height: 20px;
  background: #124E96;
}
.construction-main .construction-technology .construction-technology-title {
  position: relative;
  z-index: 1;
  font-size: 28px;
  font-weight: bold;
  color: #FFFFFF;
  text-align: center;
  margin: 80px 0 72px;
}
.construction-main .construction-technology .swiper-wrapper {
  width: 100%;
  height: 270px;
}
.construction-main .construction-technology .swiper-wrapper .swiper-slide img {
  width: 1200px;
  height: auto;
  margin: 0 auto;
}
.construction-main .construction-technology .swiper-pagination-banner {
  position: absolute;
  z-index: 5;
  left: 46%;
  bottom: 70px;
  width: auto;
}
.construction-main .construction-technology .swiper-pagination-banner .swiper-pagination-bullet {
  width: 30px;
  height: 4px;
  background: #FFFFFF;
  opacity: 0.4;
  border-radius: 2px;
}
.construction-main .construction-technology .swiper-pagination-banner .swiper-pagination-bullet-active {
  width: 30px;
  height: 4px;
  background: #FFFFFF;
  border-radius: 2px;
  opacity: 1;
}
.construction-main .construction-technology .swiper-button-next-banner,
.construction-main .construction-technology .swiper-button-prev-banner {
  position: absolute;
  top: 50%;
  width: 40px;
  height: 50px;
  z-index: 12;
}
.construction-main .construction-technology .swiper-button-next-banner img,
.construction-main .construction-technology .swiper-button-prev-banner img {
  width: 100%;
  height: 100%;
}
.construction-main .construction-technology .swiper-button-next-banner {
  left: 15%;
}
.construction-main .construction-technology .swiper-button-prev-banner {
  right: 15%;
}
.construction-main .construction-container {
  width: 100%;
  height: 228px;
  background: #DAEAF6;
  overflow: hidden;
}
.construction-main .construction-container .construction-form-title {
  font-size: 30px;
  font-weight: 400;
  text-align: center;
  margin-top: 27px;
}
.construction-main .construction-container .construction-form-container {
  width: 1268px;
  height: 120px;
  overflow: hidden;
  margin: 0 auto;
}
.construction-main .construction-container .construction-form-container .construction-form-submit {
  display: flex;
  align-items: center;
  width: 100%;
  height: 50px;
  padding: 0 34px 0 33px;
  margin: 35px 0 10px;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-submit-li {
  position: relative;
  width: 280px;
  height: 50px;
  line-height: 50px;
  background: #FFFFFF;
  overflow: hidden;
  box-shadow: 0px 2px 1px 0px rgba(0, 0, 0, 0.15);
  border-radius: 5px;
  margin-right: 27px;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-submit-li input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  font-size: 16px;
  padding: 0 20px 0 64px;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-submit-li ::-webkit-input-placeholder {
  color: #666;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-submit-li::before {
  position: absolute;
  top: 50%;
  left: 53px;
  transform: translateY(-50%);
  content: '';
  width: 1px;
  height: 16px;
  background: #E6E6E6;
  z-index: 1;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-name::after,
.construction-main .construction-container .construction-form-container .construction-form-submit .form-tel::after,
.construction-main .construction-container .construction-form-container .construction-form-submit .form-area::after {
  position: absolute;
  top: 50%;
  left: 22px;
  transform: translateY(-50%);
  content: '';
  width: 26px;
  height: 26px;
  background: url('../images/home/ren.png') center / 100% 100% no-repeat;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-tel::after {
  background: url('../images/home/dh.png') center / 100% 100% no-repeat;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-area::after {
  background: url('../images/home/mj.png') center / 100% 100% no-repeat;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-submit {
  background: #1B4679;
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 1px;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-submit input {
  padding: 0;
}
.construction-main .construction-container .construction-form-container .construction-form-submit .form-submit::before {
  width: 0;
}
.construction-main .construction-container .construction-form-container .form-hint {
  text-align: right;
  font-size: 14px;
  color: #999999;
  padding-right: 36px;
}
.construction-main .construction-management {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  color: #333333;
  background: #FAFAFE;
}
.construction-main .construction-management::after {
  position: absolute;
  top: 88px;
  left: 50%;
  transform: translateX(-50%);
  content: '';
  width: 217px;
  height: 20px;
  background: #DAEAF6;
}
.construction-main .construction-management .construction-management-title {
  text-align: center;
  font-size: 28px;
  font-weight: bold;
  position: relative;
  z-index: 1;
  margin: 68px 0 75px;
}
.construction-main .construction-management .construction-management-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 1200px;
  height: 220px;
  margin: 0 auto;
}
.construction-main .construction-management .construction-management-info .management-info-item {
  width: 280px;
  height: 220px;
  background: #FFFFFF;
  box-shadow: 12px -2px 54px 8px rgba(0, 54, 119, 0.07);
}
.construction-main .construction-management .construction-management-info .management-info-item .management-info-pic {
  width: 64px;
  height: 48px;
  margin: 18px auto 10px;
}
.construction-main .construction-management .construction-management-info .management-info-item .management-info-pic img {
  width: 100%;
  height: 100%;
}
.construction-main .construction-management .construction-management-info .management-info-item .text1 {
  font-size: 20px;
  font-weight: bold;
  text-align: center;
}
.construction-main .construction-management .construction-management-info .management-info-item .text2 {
  font-size: 16px;
  color: #666666;
  text-align: center;
  line-height: 26px;
  margin-top: 18px;
}