.flex-center{    display:flex;align-items: center;justify-content: center;  }  .flex-column{    display:flex;align-items: center;justify-content: center;flex-direction: column;  }  .item-baseline{    display: flex;align-items: baseline;  }  .item-center{      display:flex;      align-items:center;  }  .content-1{      min-height:2552px;      height:auto;  }  .flex-nowrap{ flex-wrap:nowrap; margin-right:100px;}.flex-wrap{ flex-wrap:wrap; justify-content: center;}  @media screen and (max-width: 975px) {.flex-wrap-plan{ flex-wrap:wrap; justify-content:center; margin-right:0;}.content-box-1-left-md{ left:0!important;}}  .p-1{    font-size: 28px;    font-family: Microsoft YaHei;    font-weight: bold;    color: #333333;  }  .p-2{    font-size: 14px;    font-family: Microsoft YaHei;    font-weight: 400;    color: #999999;  }  .p-3{font-size: 18px;font-family: Microsoft YaHei;font-weight: bold;color: #FFFFFF;  }  .scheme-card{    font-weight:bold;    margin: 70px 32px 20px 32px;    text-align:left;    font-size:20px;  }  .content-box{    width: 100%;min-height: 500px;height:auto;background: #FFFFFF;box-shadow: 0px 5px 16px 0px rgba(57, 116, 219, 0.15);  }  .content-box-1-left{    width: 520px;min-height: 380px;height:auto;background: #FFFFFF;box-shadow: 0px 5px 16px 0px rgba(57, 116, 219, 0.15);position: relative;left:100px;z-index: 99;padding:10px;  }  .content-box-1-right{    width: 650px;height: 500px;background: #F2F7FF;  }  .content-p{font-size: 16px;font-family: Microsoft YaHei;font-weight: 400;color: #666666;line-height: 24px;text-align: left;margin:0 32px;  }  .content-title{      margin:50px 0  }  .projectbg{font-size: 22px;font-family: Microsoft YaHei;font-weight: bold;color: #4789FD;z-index: 99;  }  .projectbg-footer{    width: 120px;height: 10px;background: #D1E2FF;margin-top:-10px  }  .content-project-box{min-height: 420px;height:auto;padding:20px  }  .content-project-title-span{    z-index:99;    position: relative;    font-weight: bold;    font-size:16px  }.pain-box-card{    width: 364px;height: 140px;background: #FFFFFF;box-shadow: 0px 5px 16px 0px rgba(57, 116, 219, 0.15);margin:12px;border-radius: 12px;padding:20px;}  .type-img {    width:91px;    height:91px  }  .version-box img{    padding:36px 0;  }  .hardware-box{min-height: 360px;height:auto;background: #EEEEEE;  }  .type-box p{    margin:15px;  }  .support-box-top{    width: 250px;height: 272px;background: #FFFFFF;box-shadow: 0px 5px 16px 0px rgba(57, 116, 219, 0.15);  }  .support-box-bottom{    width: 250px;height: 48px;background: #F2F7FF;box-shadow: 0px 5px 16px 0px rgba(57, 116, 219, 0.15);  }  .support-box img{    width:100%;    padding:36px;  }  .support-box{    margin:12px  }  .function-box-top img{    width:100%;    padding:10px;  }  .function-box{      width: 340px;height: 390px;background: #FFFFFF;box-shadow: 0px 5px 16px 0px rgba(57, 116, 219, 0.15);margin:12px;  }  .type-box{    width:313px;    min-height:180px;    height:auto;}.type-box p{  margin:15px;}.function-box-top img{  width:100%;  padding:10px;}.function-box{    width: 340px;height: 390px;background: #FFFFFF;box-shadow: 0px 5px 16px 0px rgba(105, 118, 139, 0.15);margin:12px;}.background-card{    background-repeat: no-repeat;    background-size: 100%;}.version-box{    height:auto;    margin-top:50px          }          .version-box-card{            width: 324px;    height: 280px;    background: #FFFFFF;    border-radius: 12px;    box-shadow: 0px 5px 16px 0px rgba(57, 116, 219, 0.15);    margin:12px          }          .version-box-card .bottom-card{            height:calc(100% - 80px);            padding:20px;          }          .version-box span{    font-size: 46px;    font-family: Alibaba PuHuiTi;    font-weight: bold;    color: #4789FD;    line-height: 82px;    opacity: 0.3;          }