.banner-con{
    background: url(../images/about-banner.jpg) no-repeat;
    min-height: 680px;
    background-size: cover;
    padding-top: 100px;
    color: #ffffff;
}
.banner-con .banner{
    width: 100%;
}
 h1{
    font-size: 60px;
}
.banner-con .banner p{
    max-width: 600px;
    line-height: 2;
    margin: 30px 0;
}
.banner-con .banner a{
  background: #fdb825;
  width: 200px;
  height: 40px;
  border-radius: 10px;
  color: #1a1a1a;
  font-weight: bold;
  letter-spacing: 3px;
}
.solution-con img{
    /*max-width: 50%;*/
}
.solution-con .solution{
    gap: clamp(30px,4vw,100px);
}
.solution-con .solution .left-con{
    max-width: 50%;
}
.solution-con .solution p{
    background: transparent;
    text-align: left;
    padding: 0;
    margin-top: 0;
}
.title-desc p{
    color: #02408b;
    font-weight: bold;
}
.solution-con .solution .desc{
    line-height: 2;
    margin: clamp(20px,3vw,50px) auto clamp(20px,4vw,80px);
}
.solution-con .solution .left-con ul{
    gap: 20px;
}
.solution-con .solution .left-con ul li{
    position: relative;
    padding-left: 15px;
    text-align: center;
    width: calc((100% - 60px) / 4);
}
.solution-con .solution .left-con ul li:before{
    content: "";
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom,#fdb825 0%,#fdb825 50%,#02408b 50%);
    position: absolute;
    left: 0;
    top: 0;
}
.solution-con .solution .left-con ul li p:first-child{
    margin-bottom: 0;
    font-family: "Impact";
    font-size: clamp(24px,3vw,36px);
    color: #02408b;
    white-space: nowrap;
}
.solution-con .solution .left-con ul li p:last-child{
    line-height: 20px;
}
.solution-con .solution .left-con ul p span{
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
}
.biaogan-con{
    background: url(../images/biaogan-bg.jpg) no-repeat;
    background-size: cover;
    color: #ffffff;
}
.biaogan-con .title-desc p{
    color: #ffffff;
}
.biaogan-con ul li{
   width: 20%;
   padding: 0 20px;
   position: relative;
   border-left: 1px solid #ffbb4a;
}
.biaogan-con ul li:before{
    content: "";
    width: 1px;
    height: 100%;
    /* background:#ffbb4a; */
    background: linear-gradient(to bottom,#ffbb4a,transparent);
    position: absolute;
    left: -1px;
    top: 0;
}
.biaogan-con ul li p{
    margin-bottom: 0;
}
/* .biaogan-con ul li:nth-child(5):last-child:before{
    height: calc(100% - 100px);
} */
.biaogan-con ul li:nth-child(1):before{
     top: 100%;
     height: 212px;
}
.biaogan-con ul li:nth-child(1):after{
    content: "";
    width: 20px;
    height: 20px;
    background: #ffbb4a;
    outline: 4px solid #02408b;
    border-radius: 10px;
    position: absolute;
    left: -11px;
    bottom: -220px;
}
.biaogan-con ul li:nth-child(1) p:after{
    content: "2003年";
    color: #ffbe51;
    font-size: 24px;
    position: absolute;
    bottom: -200px;
    left: 30px;
}
.biaogan-con ul li:nth-child(2):before{
      top: 100%;
     height: 289px;
}
.biaogan-con ul li:nth-child(2):after{
    content: "";
    width: 20px;
    height: 20px;
    background: #ffbb4a;
    outline: 4px solid #02408b;
    border-radius: 10px;
    position: absolute;
    left: -11px;
    bottom: -296px;
}
.biaogan-con ul li:nth-child(2) p:after{
    content: "2005年";
    color: #ffbe51;
    font-size: 24px;
    position: absolute;
    bottom: -256px;
    left: 30px;
}
.biaogan-con ul li:nth-child(3):before{
      top: 100%;
     height: 278px;
}
.biaogan-con ul li:nth-child(3):after{
    content: "";
    width: 20px;
    height: 20px;
    background: #ffbb4a;
    outline: 4px solid #02408b;
    border-radius: 10px;
    position: absolute;
    left: -11px;
    bottom: -289px;
}
.biaogan-con ul li:nth-child(3) p:after{
    content: "2012年";
    color: #ffbe51;
    font-size: 24px;
    position: absolute;
    bottom: -236px;
    left: 30px;
}
.biaogan-con ul li:nth-child(4):before{
      top: 100%;
     height: 225px;
}
.biaogan-con ul li:nth-child(4):after{
    content: "";
    width: 20px;
    height: 20px;
    background: #ffbb4a;
    outline: 4px solid #02408b;
    border-radius: 10px;
    position: absolute;
    left: -11px;
    bottom: -235px;
}
.biaogan-con ul li:nth-child(4) p:after{
    content: "2018年";
    color: #ffbe51;
    font-size: 24px;
    position: absolute;
    bottom: -182px;
    left: 30px;
}
.biaogan-con ul li:nth-child(5):before{
     top: 100%;
     height: 140px;
}
.biaogan-con ul li:nth-child(5):after{
    content: "";
    width: 20px;
    height: 20px;
    background: #ffbb4a;
    outline: 4px solid #02408b;
    border-radius: 10px;
    position: absolute;
    left: -11px;
    bottom: -150px;
}
.biaogan-con ul li:nth-child(5) p:after{
    content: "2023年";
    color: #ffbe51;
    font-size: 24px;
    position: absolute;
    bottom: -76px;
    left: 30px;
}
.biaogan-con ul li:last-child p{
    margin-bottom: 100px;
}
.biaogan-con .ul-img{
    position: relative;
}
.biaogan-con ul li h3{
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
}
.biaogan-con .ul-img img{
    margin: 0 auto;
    height: 311px;
}

.factory-con .factory >p{
    /* transform: rotate(90deg); */
     /* transform-origin: center; */
     display: inline-block;
      writing-mode: vertical-rl; /* 文字竖排 */
      text-transform: uppercase;
      color: #f4f4f4;
      font-size: 72px;
      text-align: center;
      margin-bottom: 0;
      margin-block-start: 15px;
      margin-block-end: 15px;
      font-weight: bold;
}
.factory-con .factory img{
    width: 100%;
}

.cooperation-con{
    background: #f4f4f4 url(../images/earth.png) center center no-repeat;
    background-size: contain;
}

@media (max-width:1080px){
    .factory-con .factory >p{
        display: none;
    }
    .solution-con .solution{
        flex-wrap: wrap;
    }
    .solution-con img,.solution-con .solution .left-con{
        max-width: 100%;
    }
}

@media (max-width:768px){
    .factory-con .factory,.cooperation-con .cooperation ul{
        flex-wrap: wrap;
    }
    .solution-con .solution .left-con ul p{
        font-size: clamp(24px,5vw,36px);
    }
    .biaogan-con .ul-img img{
        display: none;
    }
    .biaogan-con ul li{
        border-left: none;
    }
    .biaogan-con ul li:before,.biaogan-con ul li:after{
        display: none;
    }
    .biaogan-con ul li p:after{
        display: none;
    }
    .biaogan-con ul li:last-child p{
        margin-bottom: 0;
    }
    .biaogan-con .ul-img ul{
        align-items: flex-start!important;
        flex-wrap: wrap;
        gap: 30px;
    }
    .biaogan-con ul li{
        width: 100%;
        padding: 0;
    }
}

@media (max-width:500px){
    .solution-con .solution .left-con ul li{
        width: calc((100% - 20px) / 2);
    }
}