/* 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: #F1FBFF !important;
  color: #333333;
}
.poster-teacherpc{
  width: 730px;
  height: 989px;
  background: url('../image/bg_teacherpc0911.png?r=20250911') no-repeat top center;
  background-size: contain;
  position: relative;
  margin: 0 auto;
}
.poster-teacherpc .codeimg{
  position: absolute;
  top: 696px;
  left: 473px;
  width: 120px;
  height: 120px;
  border-radius: 6px;
  box-sizing: border-box;
  overflow: hidden;
}
.poster-teacher{
  width: 7.5rem;
  height: 10.14rem;
  background: url('../image/bg_teacher0911.png?r=20250911') no-repeat top center;
  background-size: contain;
  position: relative;
}
.poster-teacher .codeimg{
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 7.27rem 1.59rem 1.67rem 4.71rem;
  box-sizing: border-box;
}
.qwheyanbg{
  background: #F3FBF6;
}
.qwheyan{
  position: relative;
  max-width: 908px;
  margin: 0 auto;
  border: none;
}
.qwheyan.iswx{
  position: relative;
  max-width: 710px;
  margin: 0 auto;
}
.qwheyan-img{
  position: absolute;
  top: 38.1%;
  left: 35.6%;
  bottom: 16.2%;
  width: 28.8%;
  border-radius: 10px;
  overflow: hidden;
}
.qwheyan.iswx .qwheyan-img{
  position: absolute;
  top: 49.2%;
  left: 31.5%;
  bottom: 12.1%;
  width: 37%;
  border-radius: 0;
  overflow: hidden;
}
.qwheyan-img img{
  width: 100%;
}
.qwheyan-refresh{
  position: absolute;
  left: 25%;
  top: 82%;
  right: 25%;
  bottom: 8%;
}
.qwheyanpc .qwheyan-img{
  top: 38.4%;
  left: 35.6%;
  bottom: 28%;
  width: 28.8%;
}
.qwheyan-refresh{
  position: absolute;
  left: 36.2%;
  top: 92%;
  right: 36.2%;
  bottom: 2%;
  background: url(../image/refresh-btn.png) no-repeat;
  background-size: contain;
  cursor: pointer;
}
.tab li.isheyan a p .tabfinish, .tab li.isheyanstu a p .tabfinish{
  background: url(../image/tab_finish.png) no-repeat;
  background-size: 100%;
}
.tab li.isheyan a p .tabfinish.normal, .tab li.isheyanstu a p .tabfinish.normal{
  background: url(../image/tab_heyan.png) no-repeat;
  background-size: 100%;
}
.checkend{
  padding: 100px 0;
  text-align: center;
}
.checkend .hyicon{
  display: block;
  width: 30px;
  height: 30px;
  margin: 0 auto 20px;
}
.checkend .hyicon.right{
  background: url(../image/right.png) no-repeat;
  background-size: 100%;
}
.checkend p{
  font-size: 16px;
  line-height: 30px;
}

@media (max-width: 1199px){
  .seminar_nav .container{
    width: 100%;
  }
  .poster-teacher{
    margin: 0 -15px;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .poster-teacher{
    margin: 0 -10px;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .poster-teacher{
    margin: 0 auto;
  }
}
@media (max-width: 767px){
  .seminar_nav{
    max-height: 40px !important;
  }
  .blessify{
    width: calc(100% + 30px) !important;
    margin: 0 -15px !important;
  }
  .poster-teacherpc{
    width: 7.3rem;
    height: 9.89rem;
    margin: 0 auto;
  }
  .poster-teacherpc .codeimg{
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    padding: 6.96rem 1.38rem 1.73rem 4.73rem;
    box-sizing: border-box;
    border: none;
    border-radius: 0;
    z-index: 2;
  }
  .poster-teacher{
    width: 7.5rem;
    height: 10.14rem;
    background: url('../image/bg_teacher0911.png?r=20250911') no-repeat top center;
    background-size: contain;
    margin: 0 auto;
  }
  .poster-teacher .codeimg{
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 7.27rem 1.59rem 1.67rem 4.71rem;
    box-sizing: border-box;
  }
}