.serve{
  padding: 100px 15px;
}
.title{
  font-size: 40px;
  font-weight: 600;
}

.lineation{
  margin: 0 auto;
  display: flex;
  justify-content: center;
  list-style: none;
  align-items: center;
}
.lineation .line{
  width: 90px;
  height: 1px;
  border: 1px solid #E1E1E1;
}
.lineation .dot{
  width: 4px;
  height: 4px;
  background: #444444;
  margin: 0 16px;
}


.efficient{
  background-color: #F8F8F8;
  padding: 10rem 0;
}
.efficient .desc{
  color: #808080;
  font-size: 16px;
  text-align: center;
}
.efficient .counter-box{
  margin-top: 100px;
  display: grid;
  grid-template-columns: repeat(4,1fr);
}
.efficient .counter-box > div{
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.efficient .counter-box > div p{
  font-size: 70px;
  color: #376AFF;
  font-weight: bold;
}
.efficient .counter-box > div p span{
  font-size: 30px;
}
.efficient .counter-box > div .name{
  color: #808080;
  font-size: 16px;
}


.successCase{
  padding: 10rem 0;
  background-color: #F7F8F9;
}

.caseGenre{
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(2,47%);
  grid-gap: 100px 70px;
}

.genre-box{
  height: 225px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.genreName{
  position: relative;
  font-size: 24px;
  font-weight: bold;
  padding-bottom: 20px;
}
.genreName::after{
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 41px;
  height: 1px;
  background-color: #E1E1E1;
}
.genreDesc{
  font-size: 14px;
  color: #595959;
  line-height: 20px;
  letter-spacing: 1px;
}
.genreMore{
  width: 100px;
  background-color: transparent;
  display: flex;
  align-items: center;
}
.genreMore div{
  width: 18px;
  height: 18px;
  border-radius: 1px;
  border: 1px solid #D8D8D8;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-left: 8px;
}

.intro{
  width: 100%;
  margin-top: 10rem;
}
.intro-bg{
  padding: 9rem 0;
  background-image: url('../img/about_us_bg.png');
  background-repeat: no-repeat;
  background-size: cover;
  margin-top: 10rem;
} 
.intro-content{
  margin: 0 auto;
  padding: 70px 60px;
  background-color: #fff;
  width: 797px;
}
.intro-content .introTitle{
  font-size: 40px;
  font-weight: bold;
  color: #376AFF;
}

.intro-content article{
  margin-top: 46px;
  font-size: 16px;
  color: #595959;
  line-height: 22px;
  letter-spacing: 1px;
  text-align: justify;
}
.intro-content .attention{
  margin-top: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.intro-content .attention .attentionCode{
  width: 126px;
  height: 126px;
}
.intro-content .attention .contact{
  margin-left: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: 16px;
}

.partner{
  padding: 10rem 0;
}
.partner-tips{
  text-align: center;
  margin-top: 27px;
  font-size: 2.6rem;
  letter-spacing: 1px;
}

.partner-list{
  display: grid;
  grid-template-columns: repeat(5,1fr);
  grid-gap: 10px 10px;
  margin-top: 100px;
}

.partnerItem{
  height: 118px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.partnerItem img{
  width: 70%;
  height: 70%;
  object-fit: contain;
}


.AI_container{
  background-color: #F4F6F9;
  position: relative;
  padding: 10rem 0;
}
.AI_bg{
  width: 33.2rem;
  height: auto;
  display: block;
  position: absolute;
  bottom: 3px;
  right: 2rem;
  z-index: 1;
}
.AIServe_list{
  margin-top: 10rem;
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}
.AIServe_list>div{
  width: 35.7rem;
  /* height: 40rem; */
  background: #FFFFFF;
  padding: 0 1.4rem 4rem;
  cursor: pointer;
}
.AIServe_list .AI_icon{
  width: 13rem;
  height: 10rem;
  object-fit: cover;
  display: block;
  margin: 4.8rem auto;
}
.AIServe_list .AI_name{
  font-size: 1.8rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 3rem;
}
.AIServe_list .AI_Desc{
  margin-top: 1.9rem;
  display: flex;
  align-items: center;
  font-size: 14px;
  color: #3A3A3A;
}
.AIServe_list .AI_Desc img{
  width: 8px;
  height: 10px;
  margin-right: 4px;
}

.advantage{
  padding: 10rem 0;
  background-color: #fff;
}
.advantage_list{
  margin-top: 10rem;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  grid-gap: 2.9rem 4rem;
}
.advantage_list>div{
  min-height: 19.6rem;
  background-color: #F9FBFF;
  display: flex;
  align-items: center;
  padding: 0 14px;
}
.advantage_list .advantage_icon{
  height: 7rem;
  width: 7rem;
  min-width: 36px;
  min-height: 36px;
}
.advantage_list .advantage_info{
  min-height: 11rem;
  flex: 1;
  padding-left: 14px;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
}
.advantage_list .advantage_info .advantage_name{
  font-size: 2.4rem;
  font-weight: bold;
}
.advantage_list .advantage_info .advantage_desc{
  font-size: 1.6rem;
  color: #3C3C3C;
}

.serveTab{
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  margin-top: 10rem;
  border-bottom: 1px solid #f5f5f5;
  overflow-x: auto;
}
.serveTab li{
  font-size: 2.4rem;
  padding-bottom: 3rem;
  position: relative;
  white-space: nowrap;
  cursor: pointer;
}
.serveTab li:nth-child(n+2){
  margin-left: 7rem;
}
.serveTab li.active{
  font-weight: bold;
}
.serveTab li.active::after{
  content: ' ';
  display: block;
  width: 8rem;
  height: 1px;
  background-color: #376AFF;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%);
}
.serveContent{
  margin-top: 6rem;
  display: flex;
}
.serveContent>div{
  width: 50%;
  min-height: 36.1rem;
  height: auto;
}
.serveContent .right img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.serveContent .left{
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  padding-right: 6rem;
} 
.serveContent .left p{
  font-size: 1.8rem;
  color: #000;
  letter-spacing: 0.08em;
  text-align: justify;
}
.serveContent .left .lookMore{
  margin-top: 3rem;
  display: flex;
  align-items: center;
}

.serveContent .left .lookMore div{
  width: 18px;
  height: 18px;
  border-radius: 1px;
  border: 1px solid #D8D8D8;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-left: 8px;
}

@media screen and (max-width:850px){
  .intro-content{
    background-color: #fff;
    width: auto;
  }
}

@media screen and (max-width:768px){
  .title{
    font-size: 18px;
  }
  .AI_container{
    background-color: #fff;
  }
  .AIServe_list{
    flex-direction: column;
  }
  .AIServe_list>div{
    width: 100%;
    height: auto;
  }
  .AIServe_list>div:nth-child(n+2){
    margin-left: 0;
  }
  .AIServe_list .AI_name{
    font-size: 16px;
  }

  .advantage_list{
    grid-template-columns: repeat(2,1fr);
  }
  .advantage_list>div{
    padding: 9px;
    flex-direction: column;
  }
  .advantage_list .advantage_info{
    margin-top: 10px;
    padding-left: 0;
  }
  .advantage_list .advantage_info{
    text-align: center;
  }
  .advantage_list .advantage_info .advantage_name{
    font-size: 16px;
  }
  .advantage_list .advantage_info .advantage_desc{
    font-size: 14px;
    color: #3C3C3C;
  }

  .successCase{
    padding: 10rem 15px;
  }
  .serve{
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .serveTab li{
    font-size: 16px;
  }
  .serveContent .left p{
    font-size: 14px;
  }
  .serveContent{
    flex-direction: column-reverse;
  }
  .serveContent>div{
    width: 100%;
    min-height: 20rem;
  }
  .serveContent .left{
    margin-top: 3rem;
    padding-right: 0;
  }
  .serveTab li:nth-child(n+2){
    margin-left: 28px;
  }

  .intro-bg{
    padding: 14px;
  }

  .efficient .counter-box{
    margin-top: 25px;
    grid-template-columns: repeat(2,1fr);
  }
  .efficient .counter-box > div{
    margin-bottom: 10px;
  }

  .efficient .counter-box > div p {
    font-size: 24px;
  }
  .efficient .counter-box > div p span{
    font-size: 14px;
  }
  .efficient .counter-box > div .name{
    font-size: 14px;
  }
  
  .caseGenre{
    margin-top: 50px;
    grid-gap: 50px 40px;
  }
  .genreName{
    font-size: 16px;
  }

  .partnerItem{
    height: 60px;
  }

  .intro-content{
    margin-top: 4rem;
    padding: 16px 14px;
  }
  .intro-content .introTitle{
    font-size: 24px;
  }
  .intro-content article{
    margin-top: 20px;
  }
  .intro-content .attention .attentionCode{
    width: 90px;
    height: 90px;
  }
  .partner-tips{
    font-size: 14px;
  }
  .partner-list{
    padding: 3rem;
    grid-template-columns: repeat(3,1fr);
    grid-gap: 3rem 3rem;
    margin-top: 50px;
  }
}
@media screen and (max-width:600px){
  .caseGenre{
    grid-template-columns: repeat(1,97%);
  }
  .genre-box{
    height: 180px;
  }
  .intro-content{
    background-color: #F9F9F9;
  }
}