h2{
    font-size: clamp(30px,3vw,48px);
    text-align: center;
    color: #234b71;
}
.banner-con{
    margin-top: 80px;
}
.banner-con .banner .four-items{
    background: linear-gradient(to right,#15426c,#15426c,#5887ad);
}
.banner-con .banner .four-items{
    padding: 30px 0;
}
.banner-con .banner .four-items ul{
    display: flex;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;

}
.banner-con .banner .four-items ul li:nth-child(2n+1){
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}
.banner-con .banner .four-items ul li:nth-child(2n+1) span{
    color: #ff6f42;
    font-size: 30px;
    font-family: "Impact";
}
.banner-con .banner .four-items ul li:nth-child(2n+1) p{
    color: #ffffff;
}
.banner-con .banner .four-items ul li:nth-child(2n){
    position: relative;
}
.banner-con .banner .four-items ul li:nth-child(2n):before{
    content: "";
    width: 1px;
    height: 50%;
    background: linear-gradient(to bottom,transparent,#ffffff,transparent);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.introduce-con{
    background: #f7f7f7;
    padding: calc(30px + 2vw) 0;
   
}

.introduce-con .introduce{
    max-width: 1400px;
    margin: 0 auto;
}
.introduce-con .introduce h2{
  color: #234b71;
  text-align: center;
}
.introduce-con .introduce .desc{
    text-align: center;
    margin-top: 20px;
}
.introduce-con .introduce .left-right-con{
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 50px;
}
.introduce-con .introduce .left-right-con .left-con{
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    gap: 20px;
}
.introduce-con .introduce .left-right-con .left-con .top{
    padding: calc(20px + 1vw) calc(10px + 1vw);
    background: url(../img/about/bg1.jpg) no-repeat;
    background-size: cover;
    background-position: right center;
}
.introduce-con .introduce .left-right-con .left-con .top p,.introduce-con .introduce .left-right-con .left-con .bottom p{
    line-height: 3;
    margin-block-end:0;
}
.introduce-con .introduce .left-right-con .left-con .bottom{
      padding: calc(20px + 1vw) calc(10px + 1vw);
    background: url(../img/about/bg2.jpg) no-repeat;
    background-size: cover;
    background-position: left center;
}
.introduce-con .introduce .left-right-con .right-con{
    flex-shrink: 0;
    max-width: 50%;
}
.keji-con{
    background: url(../img/about/bg3.jpg) no-repeat;
    background-size: cover;
    background-position: center center;
    padding: calc(30px + 2vw) 0;
     position: relative;
}
.keji-con:before{
    content: "";
    background: url(../img/about/Ingenuity-Creation_.png) no-repeat;
    background-size: contain;
    position: absolute;
    left: calc((100% - 1400px) / 4);
    top: 50%;
    width: 49px;
    height: 675px;
    transform: translateY(-50%);
}
.keji-con .keji{
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    color: #ffffff;
}
.keji-con .keji h2{
    color: #ffffff;
}
.keji-con .keji .desc{
    max-width: 80%;
    margin: 0 auto;
    line-height: 2;
    margin-top: 20px;
}
.keji-con .keji .imgs{
    margin-top: calc(30px + 2vw);
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.keji-con .keji ul{
   display: flex;
   flex-direction: column;
   justify-content: space-between;
}
.certificate-con{
    background: #f7f7f7;
}
.certificate-con .certificate{
    max-width: 1400px;
    margin: 0 auto;
    padding: calc(30px + 2vw) 0;
    text-align: center;
}
.certificate-con .certificate .desc{
    margin-top: 20px;
}
.certificate-con .certificate img{
    margin-top: 30px;
}
.tuandui-con{
    background: #f7f7f7;
    padding-bottom: calc(30px + 2vw);
}
.tuandui-con .tuandui{
    max-width: 1400px;
    margin: 0 auto;
}
.tuandui-con .tuandui .desc{
    text-align: center;
    margin-top: 20px;
}
.tuandui-con .tuandui ul{
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 30px;
}
.tuandui-con .tuandui ul li{
    background: #f2f2f2;
    text-align: center;
    padding: calc(10px + 2vw);
}
.tuandui-con .tuandui ul li .img{
    margin: 0 auto;
}
.tuandui-con .tuandui ul li h3{
    margin: 20px 0;
}
.tuandui-con .tuandui ul li:nth-child(1) .img:before{
    content: "";
    background: url(../img/about/icon1.png) no-repeat;
    width: 31px;
    height: 29px;
    display: block;
    margin: 0 auto;
}
.tuandui-con .tuandui ul li:nth-child(2) .img:before{
    content: "";
    background: url(../img/about/icon2.png) no-repeat;
    width: 29px;
    height: 26px;
    display: block;
    margin: 0 auto;
}
.tuandui-con .tuandui ul li:nth-child(3) .img:before{
    content: "";
    background: url(../img/about/icon3.png) no-repeat;
    width: 26px;
    height: 28px;
    display: block;
    margin: 0 auto;
}
.tuandui-con .tuandui ul li:nth-child(4) .img:before{
    content: "";
    background: url(../img/about/icon4.png) no-repeat;
    width: 26px;
    height: 26px;
    display: block;
    margin: 0 auto;
}
.cooperation-con{
    background: #f7f7f7 url(../img/about/46a09da52446a395c100f78fb776ad6fa3ef07d98f81b-yW37Xy.png) no-repeat top right;
    padding: calc(30px + 2vw) 0;
}
.cooperation-con .cooperation{
    max-width: 1400px;
    margin: 0 auto;
}
.cooperation-con .cooperation .desc{
    text-align: center;
    margin-top: 20px;
}
.cooperation-con .cooperation .left-right-con{
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 50px;
}
.cooperation-con .cooperation .left-right-con .left-con{
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.cooperation-con .cooperation .left-right-con .left-con .top{
    display: flex;
    justify-content: space-between;
    gap: 20px;
}
.cooperation-con .cooperation .left-right-con .left-con .top ul:last-child{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 20px;
}
.cooperation-con .cooperation .left-right-con .left-con .bottom ul{
    display: flex;
    justify-content: space-between;
    gap: 20px;
}
.cooperation-con .cooperation .left-right-con .right-con{
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: space-between;
}
.cooperation-con .cooperation .left-right-con .right-con .top ul{
    display: flex;
    justify-content: space-between;
    gap: 20px;
}
.cooperation-con .cooperation .left-right-con .right-con .bottom{
    display: flex;
    justify-content: space-between;
    gap: 20px;
}
.cooperation-con .cooperation .left-right-con .right-con .bottom ul{
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: space-between;
}

.pinpai-con{
    background: url(../img/about/bg4.jpg) no-repeat;
    background-size: cover;
    color: #ffffff;
    padding: calc(30px + 2vw) 0;;
}
.pinpai-con .pinpai{
    max-width: 1400px;
    margin: 0 auto;
}
.pinpai-con .pinpai h2{
    color: #ffffff;
}
.pinpai-con .pinpai .desc{
    text-align: center;
    margin-top: 20px;
}
.pinpai-con .pinpai .service{
    margin-top: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.pinpai-con .pinpai .service .center{
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #ffffff;
    height: 430px;
    width: 430px;
    border-radius: 50%;
    position: relative;
}
.pinpai-con .pinpai .service .center ul{
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 2;
}
.pinpai-con .pinpai .service .center ul:first-child{
    align-items: flex-end;
    margin-right: 20px;
}
.pinpai-con .pinpai .service .center:after{
    content: "";
    width: 470px;
    height: 470px;
    /* background: green; */
    clip-path:polygon(0% 0%, 470px 0, 470px 470px, 0 0);
    position: absolute;
    border: 1px solid #ffffff;
    border-radius: 50%;
    transform: rotate(45deg);
}
.pinpai-con .pinpai .service .center:before{
    content: "";
    width: 0px;
    height: 470px;
    border-right: 1px solid #ffffff;
    position: absolute;
    left: 50%;
   
}
.pinpai-con .pinpai .service .center .dot:nth-of-type(1){
     width: 12px;
      height: 12px;
      position: absolute;
      background: #ff6f42;
      border-radius: 6px;
      position: absolute;
      top: 8%;
      left: 81px;
}

.pinpai-con .pinpai .service .center .dot:nth-of-type(2){
     width: 12px;
      height: 12px;
      position: absolute;
      background: #ff6f42;
      border-radius: 6px;
      position: absolute;
      top: 8%;
      right: 51px;
      z-index: 3;
}
.pinpai-con .pinpai .service .center .dot:nth-of-type(3){
     width: 12px;
      height: 12px;
      position: absolute;
      background: #ff6f42;
      border-radius: 6px;
      position: absolute;
      bottom: 39%;
      left: -4px;
}
.pinpai-con .pinpai .service .center .dot:nth-of-type(4){
     width: 12px;
      height: 12px;
      position: absolute;
      background: #ff6f42;
      border-radius: 6px;
      position: absolute;
      bottom: 39%;
      right: -25px;
      z-index: 2;
}
.pinpai-con .pinpai .service .center .lines:nth-of-type(5){
      width: 26%;
      height: 1px;
      position: absolute;
      background: linear-gradient(to right,transparent,#ff6f42);
      border-radius: 6px;
      position: absolute;
      top: 9.5%;
      left: -25px;
}
.pinpai-con .pinpai .service .center .lines:nth-of-type(6){
      width: 26%;
      height: 1px;
      position: absolute;
      background: linear-gradient(to right,#ff6f42,transparent);
      border-radius: 6px;
      position: absolute;
      top: 9.5%;
      right: -53px;
}
.pinpai-con .pinpai .service .center .lines:nth-of-type(7){
      width: 14%;
      height: 1px;
      position: absolute;
      background: linear-gradient(to right,#ff6f42,transparent);
      border-radius: 6px;
      position: absolute;
      bottom: 40.2%;
      right: -82px;
}
.pinpai-con .pinpai .service .center .lines:nth-of-type(8){
      width: 14%;
      height: 1px;
      position: absolute;
      background: linear-gradient(to right,transparent,#ff6f42);
      border-radius: 6px;
      position: absolute;
      bottom: 40.2%;
      left: -60px;
}

.pinpai-con .pinpai .service .zhizao{
    position: absolute;
    height: 85%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 2;
}
.pinpai-con .pinpai .service .zhizao ul{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
}
.pinpai-con .pinpai .service .zhizao ul li{
    width: 30%;
}
.pinpai-con .pinpai .service .zhizao ul li:last-child{
    padding-left: 20px;
}
.pinpai-con .pinpai .service .zhizao ul li p{
    line-height: 2;
}
.pinpai-con .pinpai .service .zhizao ul li:first-child{
    text-align: right;
}
.pinpai-con .pinpai .service .zhizao ul li h3{
    position: relative;
}


@media (max-width:1400px){
    .introduce-con,.keji-con,.certificate-con,.tuandui-con,.cooperation-con,.pinpai-con{
        padding-left: 15px;
        padding-right: 15px;
    }
    .pinpai-con .pinpai .service .center:after{
        
    }
}

@media (max-width:1080px){
    .introduce-con .introduce .left-right-con{
        flex-wrap: wrap;
    }
    .pinpai-con .pinpai .service{
        flex-direction: column;
    }
    .pinpai-con .pinpai .service .zhizao{
        position: static;
        gap: 20px;
        margin-top: 80px;
    }
    .pinpai-con .pinpai .service .zhizao ul{
        gap: 20px;
    }
    .pinpai-con .pinpai .service .zhizao ul li{
        width: calc((100% - 20px) / 2);
    }
    .pinpai-con .pinpai .service .zhizao ul li:last-child{
        padding-left: 0;
    }
    .pinpai-con .pinpai .service .center .dot, .pinpai-con .pinpai .service .center .lines{
        display: none;
    }
     .introduce-con .introduce .left-right-con .right-con{
        max-width: 100%;
     }
}


@media (max-width:768px){
    .tuandui-con .tuandui ul,.cooperation-con .cooperation .left-right-con{
        flex-wrap: wrap;
    }
    .tuandui-con .tuandui ul li{
        width: calc((100% - 20px) / 2);
    }
    .keji-con .keji .desc{
        max-width: 100%;
    }
    .pinpai-con .pinpai .service .center{
        width: 62vw;
        height: 62vw;
    }
    .pinpai-con .pinpai .service .center:before{
        height: 66vw;
    }
    .pinpai-con .pinpai .service .center:after{
        width: 66vw;
        height: 66vw;
        clip-path: polygon(0% 0%, 66vw 0, 66vw 66vw, 0 0);
    }
    .banner-con .banner .four-items ul{
        flex-wrap: wrap;
    }
    .banner-con .banner .four-items ul li:nth-child(2n+1){
        width: 50%;
        flex: auto;
    }
}

@media (max-width:500px){
    .pinpai-con .pinpai .service .zhizao ul{
        flex-wrap: wrap;
    }
    .pinpai-con .pinpai .service .zhizao ul li{
        width: 100%;
    }
}