.main-body .item {
  margin-bottom: 22px;
}
.main-body .item .cover {
  position: relative;
  padding-top: 62%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  margin-bottom: 14px;
}
.main-body .item .cover .mask {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.4s;
}
.main-body .item .cover:hover .mask {
  opacity: 1;
}
.main-body .item .title {
  font-size: 18px;
  transition: color 0.4s;
  text-align: left;
  height: 60px;
  overflow: hidden;
  line-height: 32px;
}
.details-box {
  display: flex;
}
.details-box .details-lf {
  flex: auto;
  margin-right: 32px;
}
.details-box .details-lf .title {
  font-size: 26px;
  font-weight: bold;
  line-height: 40px;
  margin: 24px 0;
}
.details-box .details-rt {
  width: 200px;
  flex: none;
}
.details-box .details-rt .share-box {
  text-align: center;
}
.details-box .details-rt .share-box .desc {
  color: #999999;
  line-height: 22px;
  margin-bottom: 16px;
}
@media screen and (max-width: 768px) {
  .details-box {
    flex-wrap: wrap;
  }
  .details-box .details-lf {
    flex: none;
    width: 100%;
    margin-right: 0;
    margin-bottom: 24px;
  }
  .details-box .details-rt {
    width: 100%;
  }
}