.el-carousel__indicator .el-carousel__button{
  box-sizing: border-box;
  width: 20px;
  height: 20px;
  background: #FFFFFF;
  border-radius: 50%;
  padding: 0;
  opacity: 1;
}
.el-carousel__indicator.is-active  .el-carousel__button{
  background: #FF8A00;
}
/* banner */
.banner {
  /* max-width: 1920px; */
  width: 100%;

  margin: 0 auto
}
.banner img {
  width: 100%;
  height: 700px;
}
/* btn_box */
.btn_box {
  position: fixed;
  right: 0;
  top: 327px;
  z-index: 9999;
}
.btn_box .btn {
  width: 115px;
  height: 49px;
  border: 0;
  display: block;
}
.contact_us {
  background-image: url('../images/projects_case/contact_us.png');
}
.live_msg {
  background-image: url('../images/projects_case/live_msg.png');
  margin-top: 2px;
}
/* 核心优势 */
.advantage {
  margin:0 auto;
  margin-bottom: 39px;
}
.advantage .title {
  margin-top: 35px;
  margin-bottom: 22px;
  font-family: PingFangSC-Semibold;
  font-size: 36px;
  color: #5190C5;
  text-align: center;
}
.advantage .content {
  width: 100%;
  display: flex;
  justify-content: space-around;
  overflow: hidden;
  padding: 0 356px;
  box-sizing: border-box
}
.advantage .content .item {
  margin-right: 64px;
  border: 1px solid #C7E3F2;
  padding-top: 9px;
  padding-left: 8px;
  padding-right: 8px;
  height: 445px;
  transition: all 1s linear;
}
.advantage .content .item:hover {
  border: 1px solid #5178A8;
}
.advantage .content .item >div {
  width: 344px;
  height: 200px;
  overflow: hidden;
}
.advantage .content .item:last-child {
  margin-right: 0px;
}
.item_title {
  font-family: PingFangSC-Semibold;
  font-size: 21px;
  color: #5178A8;
  text-align: center;
  padding-top: 28px;
  padding-bottom: 21px;
}
.item_desc {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #666666;
  text-align: left;
  line-height: 24px;
  padding-left: 16px;
  padding-right: 9px;
}

/* 产品中心 */
.products .title {
  font-family: PingFangSC-Semibold;
  font-size: 36px;
  color: #FFFFFF;
  text-align: center;
  padding-top: 43px;
  padding-bottom: 22px;
}
.products {
  width: 100%;
  height: 601px;
  background-image: url('../images/index/products_bg.png');
  background-position:center center;
}
.products_content {
  max-width: 966px;
  background-color: #144179;
  padding: 24px 22px;
  margin: 0 auto;
  display: flex;
  padding-right: 26px;
  justify-content: center;
  overflow: hidden;
}
.products_left {
  width: 312px;
  height: 380px;
  background-image: radial-gradient(51% 135%, #0D97E5 35%, #1B61BA 100%);
  text-align: center;
  overflow: hidden;
}
.products_left img {
  display: inline-block;
  margin-top: 30px;
}
.products_center {
  width: 303px;
  height: 380px;
  background-color:  #FFFFFF;
}
.products_center_item,
.products_right_item {
  width: 303px;
  height: 190px;
  vertical-align: middle;
  text-align: center;
  overflow: hidden;
}
.products_center_item:first-child {
  border-right: 2px solid #B3B8BC;
  border-bottom: 2px solid #B3B8BC;
}
.products_center_item img,
.products_right_item img {
  margin-top: 20px;
}
.products_right {
  width: 303px;
  height: 380px;
  background-color:  #FFFFFF;
}
.products_right_item:last-child {
  box-sizing: content-box;
  border-left: 2px solid #B3B8BC;
  border-top: 2px solid #B3B8BC;
}

/* 项目案例 */
.projects_case {
  margin: 0 auto;
  overflow: hidden;
 
}
.pro_re {
  position: relative;
  width: 1242px;
  margin: 0 auto;
}
.projects_case .title {
  margin-top: 32px;
  margin-bottom: 28px;
  font-family: PingFangSC-Semibold;
  font-size: 36px;
  color: #5190C5;
  text-align: center;
}
.projects_case_box {
  margin: 0 auto;
  width: 1242px;
  overflow: hidden;
}
.projects_case_content_box {
  width: 2484px;

}
.projects_case_content {
  width: 1242px;
  display: flex;
  justify-content: space-around;
  margin: 0 auto;
}
.projects_case_content.left {
  float: left;
}
.projects_case_content.right {
  float: right;
}
.projects_case_item {
  width: 317px;
  height: 415px;
  background-color:#DFF2FD;
  position: relative;
  margin-right: 84px;
  cursor: pointer;
}
.projects_case_item .m_pulse {
  width: 317px;
  height: 179px;
  overflow: hidden;
}
.projects_case_item .m_pulse img {
  width: 317px;
  height: 179px;
}
.projects_case_item:last-child {
  margin-right: 0px;
}
.projects_case_item_desc {
  margin-left: 30px;
  margin-right: 29px;
}
.projects_case_item_desc.other {
  margin: 0;
}
.projects_case_item_desc h3 {
  font-size: 20px;
  color: #333333;
  padding-top: 23px;
  padding-bottom: 16px;
}
.projects_case_item_desc.other h3 {
  text-align: center;
}
.projects_case_item_desc p {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #333333;
  line-height: 24px;
}
.projects_case_item_desc.other p {
  margin-left: 30px;
  margin-right: 29px;
}
.go_detail,.go_detail:focus, .go_detail:hover{
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #4A90E2;
  position: absolute;
  bottom: 27px;
  right: 22px;
}
.detail_icon {
  display: inline-block;
  width: 20px;
  height: 11px;
  background-image: url('../images/detail_icon.png');
}
.projects_case .el-carousel__container {
  height: 415px;
  width: 1242px;
  margin: 0 auto;
}
.projects_case .el-carousel__arrow {
  width: 38px;
  height: 38px;
  transform: rotate(45deg);
  border: 5px solid  #1B56AF;
  border-radius: 0;
  background-color: #FFFFFF;
}
.projects_case  .el-carousel__arrow:hover {
  /* background-color: #F5F8FC; */
}
.projects_case  .el-carousel__arrow--left {
  border-right: 0;
  border-top: 0;
  left: -27px;
}
.projects_case  .el-carousel__arrow--right {
  border-left: 0;
  border-bottom: 0;
  right: -27px;
}
/* 公司介绍 */
.about_us {
  background-image: url('../images/index/about_us_bg.png');
  background-position: center;
  background-repeat: no-repeat;
  height: 500px;
  margin-top: 39px;
}
.about_us .title {
  padding-top: 34px;
  padding-bottom: 28px;
  font-size: 36px;
  color: #4A90E2;
  letter-spacing: 5px;
  text-align: center;
}
.about_us .info {
  width: 1280px;
  overflow: hidden;
  display: flex;
  justify-content: flex-start;
  margin: 0 auto;
}
.about_us .left {
  width: 565px;
  height: 440px;
  position: relative;
}
.about_us .left .m_pulse_box {
  width: 565px;
  height: 388px;
  overflow: hidden;
  position: absolute;
  left: 29px;
  z-index: 9;
}
.about_us .left .model {
  width: 565px;
  height: 388px;
  position: absolute;
  left: 27px;
  background: #ffffff;
  z-index: 8;
}
.about_us .left .border {
  width: 565px;
  height: 388px;
  border: 8px solid #0B3880;
  position: absolute;
  top: 27px;
  right: 0;
  box-sizing: border-box;
}
.about_us .right {
  width: 623px;
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #333333;
  line-height: 30px;
  margin-left: 53px;
  padding-top: 40px
}
.about_us .right p {
  text-indent: 36px;
}

.m_red {
  background-color: red;
  height: 900px;
  width: 1200px;
}
.footer {
  margin-top: 42px;
}
@media screen and (max-width: 795px) {
  .advantage .content,
  .projects_case {
    padding: 0;
  }
}