body {
        padding: 0px;
        margin: 0px;
        background: #EDF4F6;
    }

   
 
@media screen and (max-device-width:1920px) {
    .banner {
        width: 100%;
        height: 730px;
        margin: 0 auto;
     
    }
  }
  @media screen and (min-device-width:1920px) {
    .banner {
        width: 100%;
        height: 937px;
        margin: 0 auto;

    }
  }
    /* .banner {
        width: 100%;
        height: 937px;

    } */

    @media screen and (max-device-width:1920px) {
        .banner_1 {
            width: 100%;
            height: 730px;
            margin: 0 auto;
            position: relative;
            background-size: cover;
            background-repeat: no-repeat;
            background-image: url("../img/1-首页-banner02.png");
         
        }
      }
      @media screen and (min-device-width:1920px) {
        .banner_1 {
            position: relative;
            width: 100%;
            height: 937px;
            margin: 0 auto;
            background-size: cover;
            background-repeat: no-repeat;
            background-image: url("../img/1-首页-banner02.png");
        }
      }
    /* .banner_1 {
     
        width: 100%;
        height: 937px;
        margin: 0 auto;
        background-size: cover;
        background-repeat: no-repeat;
        background-image: url("../img/3-系统解决方案-banner01.png");
    } */
    @media screen and (max-device-width:1920px) {
        .banner_1-1 {
            overflow: hidden;
            width: 1400px;
            height: 730px;
            margin: 0 auto;
         
        }
      }
      @media screen and (min-device-width:1920px) {
        .banner_1-1 {
            overflow: hidden;
            width: 1400px;
            height: 937px;
            margin: 0 auto;
    
        }
      }
/* .banner_1-1
{
  overflow: hidden;
    width: 1400px;
    height: 937px;
    margin: 0 auto;
} */
@media screen and (max-device-width:1920px) {
    .banner_1 .banner_1-1-a {

        margin-top: 220px;
        margin-left: 99px;
          width: 306px;
          height: 398px;
          opacity: 1;
      }
  }
  @media screen and (min-device-width:1920px) {
    .banner_1 .banner_1-1-a {

        margin-top: 340px;
        margin-left: 99px;
          width: 306px;
          height: 398px;
          opacity: 1;
      }
  }
 

    .banner_1 .banner_1-1-a img {
        width: 35px;
        height: 77px;
        opacity: 1;
    }

    .banner_1 .banner_1-1-a h3 {
        width: 511px;
        height: 50px;

        font-size: 38px;
        font-family: Source Han Sans CN;
        font-weight: 500;
        line-height: 21px;
        color: #FFFFFF;
        opacity: 1;
    }

    .banner_1 .banner_1-1-a p {
        margin-top: 16px;
        width: 152px;
        height: 38px;
        font-size: 29px;
        font-family: Source Han Sans CN;
        font-weight: 500;
        line-height: 21px;
        color: #FFFFFF;
        opacity: 1;
    }

    .banner_1 .banner_1-1-a ul li {
        margin-top: 41px;
        height: 26px;
        font-size: 20px;
        font-family: Source Han Sans CN;
        font-weight: 500;
        line-height: 21px;
        color: #FFFFFF;
        opacity: 1;
    }

    .banner_1 .banner_1-1-a ul li i {
        margin-right: 13px;
    }

    .banner_1 .banner_1-1-a ul li:nth-child(1) i {
        vertical-align: middle;
        display: inline-block;
        width: 45px;
        height: 44px;
        background-image: url("../img/环保再生能源banner图标2.png");
    }

    .banner_1 .banner_1-1-a ul li:nth-child(2) i {
        vertical-align: middle;
        display: inline-block;
        width: 45px;
        height: 44px;
        background-image: url("../img/环保再生能源banner图标1.png");
    }

    .banner_1 .banner_1-1-a ul li:nth-child(3) i {
        vertical-align: middle;
        display: inline-block;
        width: 45px;
        height: 44px;
        background-image: url("../img/icon\ \(2\).png");
    }

    .main_a {
        overflow: hidden;
        width: 1400px;
        height: 734px;
background:  #FFFFFF;
        opacity: 1;
        border-radius: 0px;
        margin: 0 auto;
        margin-top: 70px;
    }
    .biaoti-wai{
        width: 1400px;
        height: 134px;
        background: #EDF4F6;
    }
    /* 标题样式 */
 .mian-a-a {
    text-align: center;
    width: 697px;
    height: 50px;
    opacity: 1;
    margin: 0 auto;
    padding-top: 4px;
    /* background: #FFFFFF; */
}

.mian-span-a {
height: 28px;
    width: 159px;
    float: left;
    margin-top: 11px;
}

.mian-span-b {
    height: 28px;
    width: 159px;
    float: left;
    margin-top: 11px;
}

.mian-span-d {
    width: 338px;
    height: 50px;
    font-size: 36px;
    font-family: PingFang SC;
    font-weight: bold;
    line-height: 0px;
    color: #333333;
    opacity: 1;

}
.mian-p-a {
    margin: 0 20px;
    width: 338px;
    height: 50px;
    font-size: 40px;
    float: left;
    display: inline-block;
    text-align: center;
    line-height: 40px;
   
}

.mian-span-c {
    margin-top: 30px;
    display: inline-block;
    text-align: center;
    width: 152px;
    height: 50px;
    font-size: 36px;
    font-family: PingFang SC;
    font-weight: bold;
    line-height: 0px;
    color: #333333;
    opacity: 1;
}
 /* 标题样式结束 */

 .title h3 {
    vertical-align: middle;
    /* float: left; */
    width: 369px;
    height: 40px;
    font-size: 28px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    line-height: 35px;
    color: #111212;
    opacity: 1;
}


    .main_a .title {
        width: 117px;
        margin-left: 100px;
        margin-top: 50px;
    }

    .title i {
        vertical-align: middle;
        /* float: left; */
        display: inline-block;
        width: 39px;
        height: 35px;

        opacity: 1;
        background-repeat: no-repeat;
        background-size: cover;
        background-image: url("../img/组\ 39.png");
    }

    .main_a .p-1 {
        float: left;
        margin-top: 126px;
        margin-left: 100px;
        width: 455px;
        height: 73px;
        font-size: 18px;
        font-family: PingFang SC;
        font-weight: 500;
        line-height: 36px;
        color: #333333;
        opacity: 1;
    }
    .main_a .img {
        width: 673px;
        height: 397px;
        margin-top: 50px;
        margin-left: 72px;
        float: left;
        display: inline-block;
    }

  
    .main_f {
        overflow: hidden;
        width: 1400px;
        height: 703px;
        background:  #FFFFFF;
        opacity: 1;
        border-radius: 0px;
        margin: 0 auto;
    }
    
    .main_f .title {
        margin-left: 100px;
        /* margin-top: 50px; */
    }

    .main_f img {
        display: block;
        height: 528px;
        width: 900px;
    margin-top: 50px;
    margin-left: 250px;
    }


    .main_d {
        overflow: hidden;
        width: 1400px;
        height: 703px;
        background: #FFFFFF;
        opacity: 1;
        border-radius: 0px;
        margin: 0 auto;
        margin-top: 100px;
    }
    .main_d .mian-a-a{
        width: 718px;
    }
    .main_d .mian-p-a{
        width: 360px;
    }
    .main_d .title {
        margin-top: 50px;
        margin-left: 100px;
    }

    .main_d .p-1 {
        float: left;
        margin-top: 123px;
        margin-left: 100px;
        width: 455px;
height: 252px;
font-size: 18px;
font-family: PingFang SC;
font-weight: 500;
line-height: 36px;
color: #333333;
opacity: 1;
text-align: justify;
    }

    .main_d .img {
        width: 673px;
        height: 397px;
        margin-top: 50px;
        margin-left: 72px;
        float: left;
        display: inline-block;
    }

    .main_e {
        overflow: hidden;
        width: 1400px;
        height: 703px;
        background:  #FFFFFF;
        border-radius: 0px;
        margin: 0 auto;
    }
.main_e-wai{
    width: 1092px;
height: 497px;
opacity: 1;

margin-left: 100px;
}
    .main_e .title {
        margin-top: 50px;
  margin-left: 100px;
    }

    .main_e ul {

        position: relative;
        /* overflow: hidden; */
        width: 1000px;
        margin-left: 100px;
        /* height: 443px;
        opacity: 1;
        margin: 101px 0 0 243px; */

    }

    .main_e ul li {
        float: left;
        width: 432px;
        height: 124px;
        opacity: 1;
        margin-top: 149px;


    }

    .main_e ul li:nth-child(2) {
        margin-left: 120px;
    }

    .main_e ul li:nth-child(4) {
        margin-left: 120px;
    }

    .main_e ul li p {
        margin-left: 28px;
        border-radius: 5px;
        position: relative;
        width: 425px;
        height: 125px;
        margin-left: 108px;
        background: rgba(72, 142, 255, 0.1);
        border: 2px solid #488EFF;
        box-shadow: 0px 3px 12px rgba(72, 142, 255, 0.26);
        opacity: 1;
        transform: skew(-18deg, 0);
    }

    .main_e ul li h1 {
        position: absolute;
        border-radius: 5px;
        top: 80px;
        left: 142px;
        width: 136px;
        height: 158px;
        background: linear-gradient(192deg, #488EFF 0%, rgba(72, 142, 255, 0.97) 46%, rgba(72, 142, 255, 0.9) 61%, rgba(72, 142, 255, 0.56) 100%);
        box-shadow: 12px 12px 24px rgba(72, 142, 255, 0.8);
        opacity: 1;
        transform: skew(-15deg, 0);
    }

    .main_e ul li:nth-child(2) h1 {
        position: absolute;
        top: 80px;
        left: 700px;
        width: 136px;
        height: 158px;
        background: linear-gradient(192deg, #488EFF 0%, rgba(72, 142, 255, 0.97) 46%, rgba(72, 142, 255, 0.9) 61%, rgba(72, 142, 255, 0.56) 100%);
        box-shadow: 12px 12px 24px rgba(72, 142, 255, 0.8);
        opacity: 1;
        transform: skew(-15deg, 0);
    }

    .main_e ul li:nth-child(3) h1 {
        position: absolute;
        top: 353px;
        left: 142px;
        bottom: 26px;
        width: 136px;
        height: 158px;
        background: linear-gradient(192deg, #488EFF 0%, rgba(72, 142, 255, 0.97) 46%, rgba(72, 142, 255, 0.9) 61%, rgba(72, 142, 255, 0.56) 100%);
        box-shadow: 12px 12px 24px rgba(72, 142, 255, 0.8);
        opacity: 1;
        transform: skew(-15deg, 0);
    }

    .main_e ul li:nth-child(4) h1 {
        position: absolute;
        top: 353px;
        left: 697px;
        bottom: 26px;
        width: 136px;
        height: 158px;
        background: linear-gradient(192deg, #488EFF 0%, rgba(72, 142, 255, 0.97) 46%, rgba(72, 142, 255, 0.9) 61%, rgba(72, 142, 255, 0.56) 100%);
        box-shadow: 12px 12px 24px rgba(72, 142, 255, 0.8);
        opacity: 1;
        transform: skew(-15deg, 0);
    }

    .main_e ul li:nth-child(1) div {
        position: absolute;
        left: 329px;
    top: 154px;
    }

    .main_e ul li:nth-child(2) div {
        position: absolute;
        left: 890px;
        top: 154px;
    }

    .main_e ul li:nth-child(3) div {
        position: absolute;
        left: 329px;
        top: 427px;
    }

    .main_e ul li:nth-child(4) div {
        position: absolute;
        left: 890px;
        top: 427px;
    }

    .main_e ul li span {
        display: block;
        width: 140px;
        height: 25px;
        font-size: 18px;
        font-family: PingFang SC;
        font-weight: 500;
        line-height: 36px;
        color: #488EFF;
        opacity: 1;
        margin-top: 5px;
    }

    .main_e ul li:nth-child(1) h2 {
      
        position: absolute;
        width: 110px;
        height: 30px;
        font-size: 22px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 36px;
        color: #FFFFFF;
        opacity: 1;
        left: 163px;
        top: 109px;
        z-index: 1;
    }

    .main_e ul li:nth-child(2) h2 {
    
        position: absolute;
        width: 88px;
        height: 30px;
        font-size: 22px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 36px;
        color: #FFFFFF;
        opacity: 1;
        left: 732px;
        top: 109px;
        z-index: 1;
    }

    .main_e ul li:nth-child(3) h2 {
       
        position: absolute;
        width: 88px;
        height: 30px;
        font-size: 22px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 36px;
        color: #FFFFFF;
        opacity: 1;
        left: 172px;
        top: 389px;
        z-index: 1;
    }

    .main_e ul li:nth-child(4) h2 {
   
        position: absolute;
        width: 88px;
        height: 30px;
        font-size: 22px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 36px;
        color: #FFFFFF;
        opacity: 1;
        left: 728px;
        top: 389px;
        z-index: 1;
    }

    .main_e ul li:nth-child(1) h3 {
        position: absolute;
        width: 34px;
        height: 40px;
        font-size: 28px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 35px;
        color: #FFFFFF;
        opacity: 1;
        left: 208px;
        top: 196px;
    }
  

    .main_e ul li:nth-child(2) h3 {
        position: absolute;
        width: 34px;
        height: 40px;
        font-size: 28px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 35px;
        color: #FFFFFF;
        opacity: 1;
        left: 764px;
        top: 196px;
    }

    .main_e ul li:nth-child(3) h3 {
        position: absolute;
        width: 34px;
        height: 40px;
        font-size: 28px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 35px;
        color: #FFFFFF;
        opacity: 1;
        left: 208px;
        top: 470px;
    }
    
    .main_e ul li:nth-child(4) h3 {
        position: absolute;
        width: 34px;
        height: 40px;
        font-size: 28px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 35px;
        color: #FFFFFF;
        opacity: 1;
        left: 764px;
        top: 472px;

    }

   


    .title_1 {
        margin-top: 183px;
        margin-left: 264px;
    }

    .title_1 h3 {
        vertical-align: middle;
        /* float: left; */
        width: 500px;
        height: 38px;
        opacity: 1;
        font-size: 38px;
        font-family: Source Han Sans CN;
        font-weight: 500;
        line-height: 0px;
        color: #111212;
        letter-spacing: 3px;
        opacity: 1;
    }



    .title_1 i {
        vertical-align: middle;
        /* float: left; */
        display: inline-block;
        width: 39px;
        height: 35px;

        opacity: 1;
        background-repeat: no-repeat;
        background-size: cover;
        background-image: url("../img/组\ 39.png");
    }


    .main_i {
        position: relative;
        margin: 0 auto;
        width: 1400px;
        height: 703px;
        overflow: hidden;
        background:  #FFFFFF;
        margin-bottom: 100px;
    }

    .main_i .title {
        position: absolute;
        left: 100px;
        top: 50px;
    }

    .swiper-container {
        width: 900px;
        height: 528px;
      margin-top:110px;
      margin-left: 250px;
        overflow: visible;
    }

    .swiper-container-horizontal>.swiper-pagination-bullets,
    .swiper-pagination-custom,
    .swiper-pagination-fraction {
        left: -20px;
        bottom: -50px;

    }
    .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet{
        
    width: 20px;
height: 20px;
}

    .swiper-container-fade .swiper-slide {
        width: 900px;
        height: 528px;
    }

    .swiper-container-fade .swiper-slide img {
        width: 900px;
        height: 528px;
    }