body {
  background-color: #F8FAFE;
  --fontColor1: #333333;
  --fontColor2: #999999; 
  --fontColor3: #FFFFFF;
  --fontColor4: #666666;
  --fontColor5: #0099FF;
  --fontColor6: #B3B3B3;
  --copyIcon: url(../images/copy-icon.png);
  --addClassIcon: url(../images/add-round.png);
  --complateIcon: url(../images/complate-round.png);
  --statusBgColor1: #FF9500;
  --statusBgColor2: #1979FF;
  --statusBgColor3: #C4C7CC;
}
* {
  box-sizing: border-box;
  cursor: default;
}
.panel {
  width: var(--panelWidth);
  background: #FFFFFF;
  box-shadow: 0px 4px 14px #E6ECF5;
  border-radius: 6px;
  padding: 60px 0;
  position: relative;
}
.panel .class-name {
  color: var(--fontColor1);
  font-size: 22px;
  line-height: 30.8px;
  font-weight: 500;
  text-align: center;
}
.panel .class-code {
  color: var(--fontColor1);
  font-size: 18px;
  line-height: 25.2px;
  font-weight: 500;
  text-align: center;
  margin-top: 10px;
}
.panel .class-url {
  color: var(--fontColor2);
  font-size: 12px;
  line-height: 16.8px;
  font-weight: 400;
  text-align: center;
  margin-top: 10px;
}
.panel .state {
  margin-top: 33.5px;
  display: flex;
  justify-content: center;
  text-align: center;
}
.panel .state .moment {
  color: var(--fontColor1);
  font-size: 28px;
  font-weight: 500;
  line-height: 39.2px;
}
.panel .state .date {
  color: var(--fontColor1);
  font-size: 12px;
  font-weight: 500;
  line-height: 16.8px;
}
.panel .state .class-status-wrap .duration {
  background-color: #F5F6F8;
  border-radius: 2px;
  padding: 2px 8px;
  margin: 10px 44px;
  position: relative;
}
.panel .state .class-status-wrap .duration::before,
.panel .state .class-status-wrap .duration::after
{
  content: '';
  display: inline-block;
  width: 44px;
  height: 1px;
  background-color: #D9D9D9;
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
}
.panel .state .class-status-wrap .duration::before{
  left: -44px;
}
.panel .state .class-status-wrap .duration::after{
  right: -44px;
}
.panel .state .class-status-wrap .duration>span {
  color: var(--fontColor4);
  font-size: 11px;
  line-height: 15.4px;

}
.panel .add-class.already-add {
  color: var(--fontColor2);
}
.panel .add-class.already-add::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  background: var(--complateIcon) center no-repeat;
  background-size: 100% 100%;
  margin-left: 6px;
  vertical-align: middle;
}
.panel .add-class.already-add::after {
  content: '已添加到我的课堂';
  display: inline-block;
}
.class-end,
.class-end-inset {
  width: max-content;
  position: relative;
  margin: auto;
  font-size: 16px;
  color: var(--fontColor6);
  line-height: 22.4px;
}

.class-end-inset {
  margin-top: 49px;
}
.class-end::before,
.class-end::after,
.class-end-inset::before,
.class-end-inset::after {
  content: '';
  display: inline-block;
  width: 30px;
  height: 1px;
  background-color: #D9D9D9;
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
}
.class-end::before,
.class-end-inset::before {
  left: -40px;
}
.class-end::after,
.class-end-inset::after {
  right: -40px;
}
/* 手机 */
@media screen and (max-width:600px) {
  body {
    --panelWidth: 100%;
    padding: 15px;
  }
  .panel {
    padding: 40px 0;
  }
  .enter-class-mobi {
    display: block;
    position: fixed;
    bottom: 40px;
    width: calc(100% - 30px);
    padding: 9px 0;
    background: #0099FF;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 400;
    line-height: 22.4px;
    color: var(--fontColor3);
  }
  .class-end {
    margin-top: 100px;
  }
  .panel .state .class-status-wrap .duration {
    margin: 10px 16px;
  }
  .panel .state .class-status-wrap .duration::before,
  .panel .state .class-status-wrap .duration::after
  {
    width: 16px;
  }
  .panel .state .class-status-wrap .duration::before{
    left: -16px;
  }
  .panel .state .class-status-wrap .duration::after{
    right: -16px;
  }
}
/* PC */
@media screen and (min-width:960px) {
  body {
    --panelWidth: 440px;
  }
  .panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .class-end {
    position: fixed;
    top: 75%;
    left: 50%;
    transform: translate(-50%, 0);
  }
}