* {
  margin: 0;
  padding: 0;
}

ul li,
ol li {
  list-style: none;
}

a {
  text-decoration: none;
  color: #ffffff;
}

img {
  width: 100%;
  height: auto;
}

html,
body {
  width: 100%;
  /* height: 100%;
  overflow: hidden; */
  background-color: #ffffff;
  box-sizing: border-box;
}


/* 公用样式 */

.flex-between-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-around-box {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.flex-center-box {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-box {
  display: flex;
  align-items: center;
}

.public-title {
  color: #28527a;
  font-size: 20px;
  text-align: center;
  margin-top: 30px;
  padding-top: 60px;
  margin-bottom: 30px;
}

.public-title .public-subtitle {
  color: #999999;
  font-size: 14px;
  text-align: center;
  margin-top: 10px;
}

.warp {
  width: 100%;
  box-sizing: border-box;
}


/* 头部 */

.warp-header {
  position: relative;
}

.warp-header {
  position: relative;
}

.header-box {
  width: 100%;
  height: 50px;
  /* background-color: #ffffff; */
  position: fixed;
  top: 0px;
  left: 0px;
}

.hover-style {
  box-shadow: 0px 0px 8px 2px rgba(0, 0, 0, 0.1);
}

.active-bg {
  color: #112c49;
}

.logo-box {
  position: absolute;
  left: 120px;
  top: 50%;
  transform: translateY(-50%);
}

.logo-box .img-box {
  width: 36px;
}

.logo-box p {
  padding-left: 10px;
  color: #ffffff;
  font-size: 20px;
}

.nav {
  display: flex;
}

.nav li {
  height: 100%;
  margin-right: 35px;
}

.nav li:hover {
  color: #112c49;
}

.greeting-box {
  position: absolute;
  left: 20%;
  transform: translateX(-50%);
  top: 50%;
  transform: translateY(-50%);
  color: #ffffff;
  font-size: 45px;
  line-height: 70px;
}

.wel-special {
  font-size: 20px;
}

.nav-bg {
  background-color: #ffffff;
  box-shadow: 0px 0px 10px 2px #b5b5b5;
  z-index: 9999;
}

.nav-bg a,
.nav-bg .logo-box p {
  color: #555555 !important;
}


/*主体内容部分*/

.warp-container {
  width: 100%;
  display: flex;
  justify-content: center;
  position: relative;
}

.container {
  width: 80%;
  /*background-color: pink;*/
  /* height: 300px; */
  margin-top: -200px;
  z-index: 999;
  position: relative;
}


/*公司简介*/

.introduce {
  width: 100%;
  background-color: #f5f5f5;
  box-sizing: border-box;
}

.introduce-title {
  text-align: center;
}

.introduce-title .text {
  color: #28527a;
  font-size: 36px;
  padding-top: 30px;
  padding-bottom: 10px;
}

.introduce-title .subtitle {
  color: #999999;
  font-size: 16px;
}

.introduce-content {
  width: 100%;
  padding: 60px 90px 80px 60px;
  box-sizing: border-box;
}

.introduce-content .content-text {
  flex: 1;
  padding-right: 100px;
  line-height: 30px;
}

.introduce-content .content-img {
  width: 280px;
  height: 320px;
  border: solid 3px #b8d4df;
  position: relative;
}

.introduce-content .content-img img {
  position: absolute;
  top: -30px;
  left: 30px;
}


/*服务方向*/

.direction {
  width: 100%;
  /* margin-top: 30px; */
}

.direction-item {
  width: 30%;
}

.direction-item .item-content {
  padding-top: 10px;
}

.direction-item .item-content .item-title {
  color: #28527a;
  font-size: 16px;
  position: relative;
  padding-left: 20px;
  margin-top: 10px;
  text-align: left;
}

.direction-item .item-content .item-title::after {
  content: '';
  position: absolute;
  left: 0px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 26px;
  background-color: #28527a;
}

.direction-item .item-content .item-text {
  font-size: 12px;
  color: #999999;
  line-height: 26px;
  padding: 10px 20px 10px;
}


/*服务案例*/

.case {
  width: 100%;
  box-sizing: border-box;
  background-color: #f5f5f5;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  /* margin-top: 30px; */
  position: relative;
}

.case .case-title {
  color: #28527a;
  font-size: 18px;
  position: relative;
  padding: 30px 0px 30px 20px;
  margin-left: 100px;
  text-align: left;
}

.case .case-title::after {
  content: '';
  position: absolute;
  left: 0px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 26px;
  background-color: #28527a;
}

.case-change-box {
  position: relative;
}

.case .case-content {
  width: 80%;
  box-sizing: border-box;
  position: relative;
}

.case-content .case-text {
  background-color: #112c49;
  color: #e5e5e5;
  padding: 80px 80px 30px 80px;
  width: 100%;
  height: 420px;
  line-height: 28px;
  box-sizing: border-box;
  text-indent: 24px;
  font-size: 14px;
  text-align: left;
}

.case .case-img-box {
  position: absolute;
  width: 21%;
  height: 200px;
  border: solid 3px #448fae;
  left: 30px;
  top: 50%;
  transform: translateY(-50%);
}

.case .case-img-box img {
  position: absolute;
  bottom: 26px;
  left: -32px;
}

.case .case-button-box {
  position: absolute;
  bottom: 40px;
  left: 80px;
  display: flex;
}

.case .case-button-box span {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 20px;
  height: 20px;
  padding: 5px;
  background-color: #2d76ad;
  color: #ffffff;
  font-size: 26px;
  margin-right: 10px;
  cursor: pointer;
}

.btn-change-bg {
  background-color: #9dc1dd !important;
}


/*产品介绍*/

.product {
  /* margin-top: 60px; */
  width: 100%;
  background-color: #ffffff;
}

.product-img-bg img {
  width: 100%;
  height: 260px;
}

.product-content {
  margin-top: -50px;
}

.product-item {
  width: 23%;
  height: 320px;
  background-color: #f5f5f5;
  padding: 30px;
  box-sizing: border-box;
}

.product-item-title {
  color: #28527a;
  font-size: 18px;
  text-align: center;
  padding: 15px 0px 20px 0px;
}

.product-item-text {
  color: #666666;
  font-size: 14px;
  line-height: 22px;
}


/*加入我们*/

.join-us {
  width: 100%;
  /* margin-top: 60px; */
  height: 360px;
  background: url('../images/joinus.jpg') no-repeat center center;
  background-size: 100% 100%;
  position: relative;
}

.join-us .mask {
  width: 100%;
  height: 100%;
  /*position: absolute;
  top: 0px;
  left: 0px;*/
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: flex-start;
  padding-top: 40px;
  box-sizing: border-box;
  position: relative;
}

.join-us .contact-way {
  width: 50%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99;
  line-height: 50px;
  text-align: left;
  color: #dcdcdc;
  font-size: 16px;
  margin-top: -30px;
}

.way-item-special {
  /* color: #448fae; */
  color: #3775ff;
}

.join-us .recruitment-information {
  width: 50%;
  text-align: left;
  font-size: 16px;
  color: #dcdcdc;
  line-height: 30px;
}

.copy-code {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 5px;
  color: #a1a1a1;
  font-size: 12px;
}

.copy-code a {
  color: #a1a1a1;
}