@media screen and (max-width: 768px) {
  #case .case-content {
    height: 300px !important;
    padding: 0 20px !important;
  }
  #case .case-img {
    height: 300px !important;
  }
  #case .case-content h1 {
    font-size: 16px !important;
  }
  #case .case-content p {
    font-size: 13px !important;
    height: auto !important;
    -webkit-line-clamp: 3 !important;
  }
  #case .case-content .case-btn {
    width: 80px !important;
    height: 30px !important;
    line-height: 30px !important;
    font-size: 14px !important;
  }
}

/* Tablet responsive */
@media screen and (min-width: 769px) and (max-width: 991px) {
  #case .case-content {
    padding: 0 30px !important;
  }
  #case .case-content h1 {
    font-size: 16px;
  }
  #case .case-content p {
    font-size: 13px;
  }
}

#case .case-flex {
  display: flex;
  flex-wrap: wrap;
}

#case .case-flex .case-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

#case .case-flex .case-item:hover .case-img {
  transform: scale(1.1);
}

#case .case-flex .case-item:hover .case-content {
  animation: scale-in-center 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

@keyframes scale-in-center {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
    opacity: 1;
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
  }
}

#case .case-flex .case-item .case-img {
  transition: all 0.6s;
  position: absolute;
  left: 0;
  right: 0;
  width: 100%;
  display: block;
  height: 23.5vw;
}

#case .case-flex .case-item .case-content {
  opacity: 0;
  background: rgba(199, 12, 31, 0.95);
  height: 23.5vw;
  display: flex;
  align-items: center;
  padding: 0 60px;
  text-align: center;
}

#case .case-flex .case-item .case-content h1 {
  display: inline-block;
  padding-bottom: 10px;
  text-align: center;
  font-size: 18px;
  color: #fff;
  font-weight: bold;
  margin: 0;
  border-bottom: 1px solid #fff;
}

#case .case-flex .case-item .case-content p {
  height: 56px;
  text-align: left;
  width: 100%;
  line-height: 2;
  font-size: 14px;
  color: #fff;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

#case .case-flex .case-item .case-content p i {
  padding-right: 28px;
}

#case .case-flex .case-item .case-content .case-btn {
  position: relative;
  z-index: 0;
  width: 90px;
  height: 35px;
  line-height: 35px;
  color: #0ebeff;
  font-size: 16px;
  border-radius: 10px;
  text-align: center;
  margin: auto;
  overflow: hidden;
  cursor: pointer;
  transition: .3s;
}

#case .case-flex .case-item .case-content .case-btn:hover {
  color: #fff;
  box-shadow: 0 0 5px #0ebeff, 0 0 25px #0ebeff;
}

#case .case-flex .case-item .case-content .case-btn:hover::after, #case .case-flex .case-item .case-content .case-btn:hover::before {
  transition: .3s;
  background: #0ebeff;
}

#case .case-flex .case-item .case-content .case-btn::before {
  content: '';
  position: absolute;
  z-index: -2;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 250%;
  height: 500%;
  background-color: #000;
  background-repeat: no-repeat;
  background-size: 50% 50%;
  background-position: 0 0;
  background-image: conic-gradient(#0ebeff, #0ebeff);
  animation: rotate 2s linear infinite;
}

#case .case-flex .case-item .case-content .case-btn::after {
  content: '';
  position: absolute;
  z-index: -1;
  left: 2px;
  top: 2px;
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  background: #000;
  border-radius: 10px;
}

@keyframes rotate {
  100% {
    transform: translate(-50%, -50%) rotate(1turn);
  }
}