.case {
  padding: 30px 0 10px;
}

.case .title {
  margin-bottom: 10px;
}

.case .list-tag {
  margin-bottom: 25px;
}

.case .pdt-list {
  display: none;
}

.case .pdt-list li:not(:last-child) {
  margin-bottom: 10px;
}

.case .pdt-list li a {
  display: block;
  color: #fff;
  padding: 8px 15px;
  text-align: center;
  background: #333;
  border-radius: 5px;
}

.case .pdt-list li.active a,
.case .pdt-list li:hover a {
  background: var(--style-color);
}

.case .row>div {
  margin-bottom: 20px;
}

.case .pic {
  display: block;
}

.case .pic img {
  width: 100%;
  aspect-ratio: 753 / 625;
  border-radius: 15px;
}

.case .info-group {
  margin-top: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.case .tit {
  flex: 1;
  text-align: left;
}

.case .btn {
  width: 45px;
  height: 45px;
  padding: 5px;
  margin-left: 15px;
  border-radius: 50%;
  background: rgba(230, 33, 41, .4);
}

.case .btn i {
  width: 100%;
  height: 100%;
  color: #fff;
  font-size: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--style-color);
}

@media (min-width: 768px) {
  .case .pdt-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 -10px 15px;
  }

  .case .pdt-list li {
    margin: 0 10px;
  }

  .case .pdt-list li:not(:last-child) {
    margin-bottom: 0;
  }

  .case .row>div {
    margin-bottom: 5px;
  }

  .case .row>div:nth-child(even) {
    margin-top: 3.7%;
  }
}

@media (min-width: 1200px) {
  .case {
    padding: 60px 0;
  }

  .case .title {
    margin-bottom: 33px;
  }

  .case .list-tag {
    margin-bottom: 55px;
  }

  .case .pdt-list {
    margin: 0 -33px;
  }

  .case .pdt-list li {
    margin: 0 33px;
  }

  .case .pdt-list li a {
    padding-left: 22px;
    padding-right: 22px;
  }

  .case .info-group {
    margin-top: 25px;
  }

  .case .btn {
    width: 75px;
    height: 75px;
    padding: 10px;
    margin-left: 30px;
  }

  .case .btn i {
    font-size: 30px;
  }
}

@media (min-width: 1640px) {
  .case .pdt-list li a {
    font-size: 22px;
  }

  .case .row>div:nth-child(odd) {
    padding-right: 47px;
  }

  .case .row>div:nth-child(even) {
    padding-left: 47px;
  }
}