.instruction {
  counter-reset: instruction;
}

.instruction__item {
  counter-increment: list;
  margin-bottom: 13px;
}

.instruction__item::after {
  content: '';
  display: table;
  clear: both;
}

.instruction__count {
  width: 28px;
  height: 28px;
  line-height: 27px;
  text-align: center;
  border-radius: 50%;
  background-color: #dcdcdc;
  font-weight: bold;
  margin-right: 11px;
  float: left;
}

.instruction__count::before {
  content: counter(list);
}

.instruction__text {
  position: relative;
  overflow: hidden;
  padding-top: 5px;
}

.instruction {
  padding: 0 16px 19px;
  border-bottom: 1px solid #dcdcdc;
}

.instruction__rem {
  color: #00ad4d;
  padding-left: 34px;
  margin-top: 21px;
}

.video {
  padding: 0 15px;
}

.video__head {
  margin-bottom: 21px;
}

.video__title {
  font-size: 20px;
  padding: 0 2px;
}

.video__icon-head {
  color: #6ad1e8;
  font-size: 22px;
  float: left;
  margin-right: 11px;
  margin-top: 2px;
}

.video__in {
  position: relative;
}

.video__logo {
  color: white;
  position: absolute;
  left: 16px;
  top: 21px;
  font-size: 34px;
}