.ym {
    width: 100%;
    height: 100vh;
    margin: auto;
    background-image: url("bj.jpg");
    background-size: 100% 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .ym .ec{
      margin-bottom:5%;
  }
  
  .ym .bt {
    font-size: .45rem;
    font-family: SourceHanSansCN;
    font-weight: bold;
    color: #00fcff;
    text-align: center;
  }
  
  .ym .nr {
    width: 4.8rem;
    height: 4.6rem;
    background-image: url("dl.png");
    background-size: 100% 100%;
    margin: 0 auto;
    margin-top: .2rem;
    overflow: hidden;
    position: relative;
  }
  
  .ym .nr > .zuo {
    width: .19rem;
    height: .19rem;
    position: absolute;
    left: 0;
    top: 0;
  }
  
  .ym .nr > .you {
    width: .19rem;
    height: .19rem;
    position: absolute;
    right: 0;
    bottom: 0;
  }
  
  .ym .nr ul li h6 {
    font-size: .32rem;
    font-family: SourceHanSansCN;
    font-weight: bold;
    color: #00fcff;
    margin-top: .2rem;
    text-align: center;
  }
  
  .ym .nr ul li p {
    font-size: .18rem;
    font-family: SourceHanSansCN;
    font-weight: 400;
    color: #79acd8;
    margin-top: .17rem;
    text-align: center;
    margin-bottom: .2rem;
  }
  
  .ym .nr ul li input {
    width: 4rem;
    height: .5rem;
    margin: 0 auto;
    background: #0a366a;
    border: .01rem solid #2364b5;
    border-radius: .06rem;
    margin-bottom: .18rem;
    display: block;
    padding-left: .19rem;
    font-size: .18rem;
    color: #85ade4;
  }
  
  .ym .nr ul li input::placeholder {
    font-size: .18rem;
    font-family: SourceHanSansCN;
    font-weight: 400;
    color: #85ade4;
  }
  
  .ym .nr ul li a {
    width: 4rem;
    height: .55rem;
    background: #00fcff;
    border-radius: .06rem;
    display: block;
    margin: 0 auto;
    margin-top: .5rem;
    font-size: .20rem;
    font-family: SourceHanSansCN;
    font-weight: 600;
    color: #0056a6;
    line-height: .57rem;
    text-align: center;
  }
  
  .ym .nr ul .yzm {
    display: flex;
    width: 4rem;
    justify-content: space-between;
    margin: 0 auto;
  }
  
  .ym .nr ul .yzm input {
    width: 2.5rem;
    height: .57rem;
    margin: 0;
  }
  
  .ym .nr ul .yzm img {
    width: 1.2rem;
    height: .57rem;
  }