/* html{
  font-size: calc(100vw / 0.75);
} */
.seminar_nav{
  max-height: 46px;
  overflow: hidden;
}
nav .finish.remedy{
  background: url('https://file.xueanquan.com/special-system/images/remedy.png') no-repeat !important;
  background-position: 0 0 !important;
  background-size: 100% !important;
}
.row.poster-bg{
  background: #E7F9FF !important;
  padding-bottom: 30px;
  color: #333333;
}
.poster-letter{
  width: 956px;
  height: 937px;
  background: url('../image/pc-letter-bg.png') no-repeat top left;
  background-size: 932px auto;
  margin: 0 auto;
  box-sizing: border-box;
  padding: 450px 0 0;
}
.poster-letter-codebox{
  width: 220px;
  height: 220px;
  background: #FFFFFF;
  border: 4px solid #FD9B35;
  border-radius: 110px;
  box-sizing: border-box;
  margin: 0 auto;
  overflow: hidden;
}
.poster-letter-codebox img{
  width: 212px;
  width: 212px;
  border-radius: 106px;
}
.poster-ai{
  margin: 0 auto;
  width: 684px;
  height: 932px;
  background: url('https://huodong.xueanquan.com/2025gjaq/image/pc-ai-bg.png') no-repeat top center;
  background-size: 100%;
  box-sizing: border-box;
  position: relative;
  padding-top: 1px;
}
.poster-ai-type01,
.poster-ai-type02,
.poster-ai-type03,
.poster-ai-type04,
.poster-ai-type05,
.poster-ai-type06{
  position: absolute;
  width: 272px;
  height: 100px;
}
.poster-ai-type01{
  top: 203px;
  left: 62px;
}
.poster-ai-type02{
  top: 203px;
  right: 62px;
}
.poster-ai-type03{
  top: 319px;
  left: 62px;
}
.poster-ai-type04{
  top: 319px;
  right: 62px;
}
.poster-ai-type05{
  top: 435px;
  left: 62px;
}
.poster-ai-type06{
  top: 435px;
  right: 62px;
}
.poster-ai-btn{
  width: 224px;
  height: 48px;
  margin: 0 auto;
}
.poster-ai-codebox{
  width: 220px;
  height: 220px;
  background: #FFFFFF;
  border: 4px solid #D52F1D;
  border-radius: 110px;
  box-sizing: border-box;
  margin: 586px auto 20px;
  overflow: hidden;
}
.poster-ai-codebox img{
  width: 212px;
  width: 212px;
  border-radius: 106px;
}
.xhspagePc-qrCodeBox{
  width: 202px;
  height: 202px;
  border: 1px solid #eee;
  margin: 20px auto;
  position: relative;
}
.xhspagePc-qrCodeBox-code{
  width: 200px;
  height: 200px;
}
.xhspagePc-qrCodeBox-refresh{
  width: 200px;
  height: 200px;
  position: absolute;
  top: 1px;
  left: 1px;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
  line-height: 200px;
  text-align: center;
  font-size: 14px;
  color: #fff;
}
.xhspagePc-toH5{
  margin: 0 auto;
  width: 300px;
  text-align: center;
  font-size: 14px;
  text-decoration: underline;
}
@media (min-width: 769px) and (max-width: 1199px){
  .poster-letter{
    width: 750px;
    height: 750px;
    background-size: 742px auto;
    padding: 308px 0 0;
    box-sizing: border-box;
  }
}
@media (max-width: 768px){
  .seminar_nav{
    max-height: 40px !important;
  }
  .poster-letter{
    width: 7.5rem;
    height: 7.5rem;
    padding: 3.08rem 0 0;
    background-size: 7.32rem auto;
    margin-left: -15px;
    box-sizing: border-box;
  }
  .poster-letter-codebox{
    width: 2.20rem;
    height: 2.20rem;
    border: .04rem solid #D52F1D;
    border-radius: 1.10rem;
  }
  .poster-letter-codebox img{
    width: 2.12rem;
    width: 2.12rem;
    border-radius: 1.06rem;
  }
  .poster-ai{
    margin: 0 auto;
    width: 6.84rem;
    height: 9.32rem;
    padding-top: .01rem;
  }
  .poster-ai-type01,
  .poster-ai-type02,
  .poster-ai-type03,
  .poster-ai-type04,
  .poster-ai-type05,
  .poster-ai-type06{
    width: 2.72rem;
    height: 1rem;
  }
  .poster-ai-type01{
    top: 2.03rem;
    left: .62rem;
  }
  .poster-ai-type02{
    top: 1.99rem;
    right: .62rem;
  }
  .poster-ai-type03{
    top: 3.19rem;
    left: .62rem;
  }
  .poster-ai-type04{
    top: 3.19rem;
    right: .62rem;
  }
  .poster-ai-type05{
    top: 4.35rem;
    left: .62rem;
  }
  .poster-ai-type06{
    top: 4.35rem;
    right: .62rem;
  }
  .poster-ai-btn{
    width: 2.24rem;
    height: .48rem;
    margin: 0 auto;
  }
  .poster-ai-codebox{
    width: 2.20rem;
    height: 2.20rem;
    border: .04rem solid #FD8F1B;
    border-radius: 1.10rem;
    margin: 5.86rem auto .20rem;
  }
  .poster-ai-codebox img{
    width: 2.12rem;
    width: 2.12rem;
    border-radius: 1.06rem;
  }
}