.download-list {
  border: 1px solid #e2e2e2;
  padding: 10px 0;
  margin-bottom: 30px;
  position: relative;
}
.download-list:after {
  content: "";
  position: absolute;
  bottom: -3px;
  right: -35px;
  width: 34px;
  height: 83px;
  background: url(../images/download-bg.png) no-repeat;
}
@media (max-width: 576px) {
  .download-list:after {
    content: none;
  }
}
.download-list .download-pic {
  overflow: hidden;
  position: relative;
  padding-bottom: 130%;
}
@media (max-width: 576px) {
  .download-list .download-pic {
    padding-bottom: 100%;
  }
}
.download-list .download-pic .img-center {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.download-list .download-pic .img-center img {
  max-height: 100%;
  transition: all 0.5s;
}
.download-list .download-pic .img-center:hover img {
  transform: scale(0.97);
}
.download-list .download-title {
  font-size: 1rem;
  text-align: center;
  margin-top: 10px;
}