.case {
  padding: 30px 0;
}

.case .title {
  margin-bottom: 12px;
}

.case .sub-info {
  line-height: 1.8;
  text-align: center;
  margin-bottom: 20px;
}

.case .item {
  padding-bottom: 30px;
  border-bottom: 2px solid #EFEFEF;
}

.case .item:not(:last-child) {
  margin-bottom: 30px;
}

.case .lt {
  margin-bottom: 20px;
}

.case .tit {
  text-align: left;
  margin-bottom: 10px;
}

.case .info {
  line-height: 2;
  margin-bottom: 20px;
}

.case .btn {
  width: 164px;
  color: #fff;
  background: var(--style-color);
}

@media (min-width: 992px) {
  .case .item {
    display: flex;
    align-items: center;
  }

  .case .lt {
    width: 660px;
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .case .rt {
    flex: 1;
    padding-left: 30px;
  }
}

@media (min-width: 1200px) {
  .case {
    padding-top: 46px;
    padding-bottom: 60px;
  }

  .case .sub-info {
    margin-bottom: 43px;
  }

  .case .item {
    padding-bottom: 54px;
  }

  .case .item:not(:last-child) {
    margin-bottom: 54px;
  }

  .case .rt {
    padding-left: 60px;
  }

  .case .tit {
    margin-bottom: 20px;
  }

  .case .info {
    margin-bottom: 40px;
  }

  .case .btn {
    padding-top: 9px;
    padding-bottom: 9px;
    transition: opacity .3s;
  }

  .case .btn:hover {
    opacity: .8;
  }
}

@media (min-width: 1640px) {
  .case {
    padding-bottom: 110px;
  }

  .case .rt {
    padding-left: 74px;
  }

  .case .info {
    margin-bottom: 62px;
  }
}