.ui-exam,body,html{
  font-size: 36px;
  padding: 0;
  margin:0;
  color: #333;
  font-family: Helvetica,微软雅黑;
  height: 100%;
  width: 100%;
}
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}
@media all and (max-width:720px){
  html,body{
    font-size: 36px;
  }
}
@media all and (max-width:640px){
  html,body{
    font-size: 32px;
  }
}
@media all and (max-width:600px){
  html,body{
    font-size: 30px;
  }
}
@media all and (max-width:560px){
  html,body{
    font-size: 28px;
  }
}
@media all and (max-width:520px){
  html,body{
    font-size: 26px;
  }
}
@media all and (max-width:480px){
  html,body{
    font-size: 24px;
  }
}
@media all and (max-width:440px){
  html,body{
    font-size: 22px;
  }
}
@media all and (max-width:414px){
  html,body{
    font-size: 21px;
  }
}
@media all and (max-width:400px){
  html,body{
    font-size: 20px;
  }
}
@media all and (max-width:360px){
  html,body{
    font-size: 18px;
  }
}
@media all and (max-width:320px){
  html,body{
    font-size: 16px;
  }
}
@media all and (max-width:250px){
  html,body{
    font-size: 13px;
  }
}

/*reset*/
h3,h4,ul,ol,li,p{
  margin: 0;
  padding: 0;
}
em{
  font-style: normal;
}
ol,ul,li{
  list-style: none;
}
*.hidden{
  display: none;
}

.main{
  background-color: #e5e5e5;
  position: absolute;
  width: 100%;
  height: 100%;
}
em.keywords{
  color: #76c14c;
}

.main .wrap{
  margin: 1.16rem 1.34rem;
  background-color: #fff;
  padding: 3.2rem;
  border-radius: 0.3rem;
}

.qrcode img{
  width: 100%;
  height: 100%;
}
.main .content{
  text-align: center;
}
.main .content p{
  font-size: 0.6875rem;
  color: #999;
  line-height: 1.6;
}

.tips-box{
  width: 80%;
  display: block;
  margin: 0 auto;
  padding-top: 5.2rem;
  text-align: center;
}
.tips-box.forbidden {
  padding-top: 0;
  margin-top: 40%;
}
.tips-box img{
  width: 3.75rem;
  height: 3.75rem;
}
.tips-box h3{
  font-size: 1.1875rem;
  color: #4f4f4f;
  margin: 0.5rem 0;
}
.tips-box p{
  font-size: 0.875rem;
  color: #999;
}
.expired-box h3 {
  margin-top: 0.5rem;
  margin-bottom: 0rem;
}
.tips-box.forbidden img {
  width: 60px;
  height: 60px;
}
.tips-box.forbidden h3{
  font-size: 20px;
  margin: 10px 0 5px 0;
  color: #333;
}
.tips-box.forbidden p{
  font-size: 14px;
}