.service_banner {
  height: calc(100vh + 1100px);
  /* overflow: hidden; */
  position: relative;
}

.service_banner .bg {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
}

.service_banner .bg img {
  width: 100%;
  height: 100vh;
  position: sticky;
  top: 0;
}

.service_banner .wrap {
  display: flex;
  align-items: center;
  width: 1600px;
  margin: 0 auto;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden;
}

.service_banner .text h3 {
  color: #111;
  text-transform: uppercase;
  font-size: 60px;
}

.service_banner .text p {
  color: #111;
  font-size: 18px;
}

.service_banner .wrap .right {
  width: 1300px;
  position: absolute;
  top: calc(50% - 100px);
  transform: translateY(-50%);
  left: 600px;
}

.section1 {
  background-color: #F7F7F7;
}

.section1 .wrap {
  padding-top: 130px;
  padding-bottom: 100px;
  width: 1600px;
  margin: 0 auto;
}

.section1 .wrap .title {
  margin-bottom: 20px;
}

.section1 .wrap .title h3 {
  color: #1B7EE8;
  font-size: 60px;
  line-height: 60px;
}

.section1 .wrap .main {
  border-top: 1px solid #AFB6C1;
}

.section1 .wrap .main .list .item {
  border-bottom: 1px solid #AFB6C1;
}

.section1 .wrap .main .list .item.active .head .add::after {
  transform: translate(-50%, -50%) rotate(360deg);
}

.section1 .wrap .main .list .item .head {
  display: flex;
  align-items: center;
  cursor: pointer;
  justify-content: space-between;
  padding: 30px 30px 40px 0;
}

.section1 .wrap .main .list .item .head .left {
  width: 1200px;
  display: flex;
}

.section1 .wrap .main .list .item .head .left::before {
  width: 10px;
  height: 10px;
  content: "";
  display: block;
  background-color: #1B7EE8;
  border-radius: 50%;
  margin-top: 9px;
  margin-right: 18px;
}

.section1 .wrap .main .list .item .head .left h4 {
  color: #111;
  flex: 1;
  font-size: 20px;
  line-height: 30px;
}

.section1 .wrap .main .list .item .head .add {
  width: 24px;
  height: 24px;
  position: relative;
  display: flex;
  align-items: center;
}

.section1 .wrap .main .list .item .head .add::after,
.section1 .wrap .main .list .item .head .add::before {
  width: 24px;
  height: 2px;
  content: "";
  background-color: #111;
  display: block;
}

.section1 .wrap .main .list .item .head .add::after {
  position: absolute;
  transform: translate(-50%, -50%) rotate(90deg);
  top: 50%;
  left: 50%;
  transition: all 0.6s;
}

.section1 .wrap .main .list .item .body {
  padding: 0 250px 30px 30px;
  display: none;
}

.section1 .wrap .main .list .item .body p {
  color: #707070;
  font-size: 18px;
  line-height: 40px;
}

.section1 .wrap .main .common_more {
  margin: 70px auto 0;
}

.section1 .wrap .main .common_more a {
  background-color: #AFB6C1;
  transition: all 1s;
}

.section1 .wrap .main .common_more:hover a {
  background-color: #1B7EE8;
}

.section2 {
  background-color: #F7F7F7;
}

.section2 .wrap {
  width: 1600px;
  margin: 0 auto;
  display: flex;
  grid-gap: 40px;
  padding-top: 100px;
  padding-bottom: 90px;
}

.section2 .wrap .trem {
  width: 780px;
  background-color: #fff;
  padding: 20px;
}

.section2 .wrap .trem .img {
  height: 420px;
}

.section2 .wrap .trem .img img {
  width: 100%;
}

.section2 .wrap .trem .content {
  padding: 50px 0 90px;
  background-color: #fff;
}

.section2 .wrap .trem .content h4 {
  color: #1B7EE8;
  font-size: 30px;
  line-height: 2;
  text-align: center;
  text-transform: uppercase;
  margin-bottom: 25px;
}

.section2 .wrap .trem .content .list {
  display: flex;
  justify-content: center;
  grid-gap: 60px;
}

.section2 .wrap .trem .content .list .item {
  display: flex;
  align-items: center;
}

.section2 .wrap .trem .content .list .item .icon {
  margin-right: 7px;
}

.section2 .wrap .trem .content .list .item p {
  color: #999999;
  font-size: 18px;
}

.section2 .wrap .trem .content .list .item p span {
  color: #111111;
}

@media screen and (max-width: 1919px) {
.service_banner{
height: calc(57.2916666667vw + 100vh);
}
.service_banner .wrap{
width: 83.3333333333vw;
}
.service_banner .text h3{
font-size: 3.125vw;
}
.service_banner .text p{
font-size: 0.9375vw;
}
.service_banner .wrap .right{
width: 67.7083333333vw;
 top: calc(50% - 5.2083333333vw);
 left: 31.25vw;
}
.section1 .wrap{
padding-top: 6.7708333333vw;
 padding-bottom: 5.2083333333vw;
 width: 83.3333333333vw;
}
.section1 .wrap .title{
margin-bottom: 1.0416666667vw;
}
.section1 .wrap .title h3{
font-size: 3.125vw;
 line-height: 3.125vw;
}
.section1 .wrap .main .list .item .head{
padding: 1.5625vw 1.5625vw 2.0833333333vw 0px;
}
.section1 .wrap .main .list .item .head .left{
width: 62.5vw;
}
.section1 .wrap .main .list .item .head .left::before{
width: 0.5208333333vw;
 height: 0.5208333333vw;
 margin-top: 0.46875vw;
 margin-right: 0.9375vw;
}
.section1 .wrap .main .list .item .head .left h4{
font-size: 1.0416666667vw;
 line-height: 1.5625vw;
}
.section1 .wrap .main .list .item .head .add{
width: 1.25vw;
 height: 1.25vw;
}
.section1 .wrap .main .list .item .head .add::after, .section1 .wrap .main .list .item .head .add::before{
width: 1.25vw;
 height: 0.1041666667vw;
}
.section1 .wrap .main .list .item .body{
padding: 0px 13.0208333333vw 1.5625vw 1.5625vw;
}
.section1 .wrap .main .list .item .body p{
font-size: 0.9375vw;
 line-height: 2.0833333333vw;
}
.section1 .wrap .main .common_more{
margin: 3.6458333333vw auto 0px;
}
.section2 .wrap{
width: 83.3333333333vw;
 gap: 2.0833333333vw;
 padding-top: 5.2083333333vw;
 padding-bottom: 4.6875vw;
}
.section2 .wrap .trem{
width: 40.625vw;
 padding: 1.0416666667vw;
}
.section2 .wrap .trem .img{
height: 21.875vw;
}
.section2 .wrap .trem .content{
padding: 2.6041666667vw 0px 4.6875vw;
}
.section2 .wrap .trem .content h4{
font-size: 1.5625vw;
 margin-bottom: 1.3020833333vw;
}
.section2 .wrap .trem .content .list{
gap: 3.125vw;
}
.section2 .wrap .trem .content .list .item .icon{
margin-right: 0.3645833333vw;
width: 1.19791666vw;
}
.section2 .wrap .trem .content .list .item p{
font-size: 0.9375vw;
}
}
@media screen and (max-width: 1024px) {
  .section2 .wrap{
    width: 90vw;
    padding: 60px 0;
    grid-gap: 2%;
  }
  .section2 .wrap .trem{
    width: 49%;
  }
  .section2 .wrap .trem .content{
    padding:20px;
  }
  .section2 .wrap .trem .content h4{
    font-size: 18px;
    margin-bottom: 10px;
  }
  .section2 .wrap .trem .content .list .item p{
    font-size: 14px;
  }
  .section2 .wrap .trem .content .list .item .icon{
    width: 20px;
    margin-right: 10px;
  }
  .section2 .wrap{
    flex-direction: column;
    gap: 20px;
  }
  .section2 .wrap .trem{
    width: 100%;
    padding: 20px;
  }
  .section2 .wrap .trem .img{
    height: auto;
  }
}
@media screen and (max-width: 767px) {
  .section2 .wrap .trem .content .list .item{
    flex-direction: column;
  }
   .section2 .wrap .trem .content .list .item p{
    text-align: center;
   }
  .section2 .wrap .trem .content .list .item p span{
    display: block;
  }
  .section2 .wrap .trem .content .list .item .icon{
    margin-bottom: 10px;
    margin-right: 10px;
  }
}