.lecture-box .item {
  margin-bottom: 56px;
}
.lecture-box .item .img-box {
  height: 250px;
}
.lecture-box .item .img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media screen and (max-width: 768px) {
  .lecture-box .item .img-box {
    height: 190px;
  }
}
.lecture-box .item .title {
  height: 56px;
  overflow: hidden;
  font-size: 16px;
  line-height: 28px;
  margin: 20px 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  text-overflow: ellipsis;
}
.lecture-box .item .info {
  border-left: 1px solid #979797;
  padding-left: 12px;
  color: #666;
}
.lecture-box .item .info p {
  font-size: 14px;
  line-height: 14px;
}
.lecture-box .item .info p + p {
  margin-top: 8px;
}
.details-box {
  padding: 60px 0;
}
.details-box .details-header {
  display: flex;
  justify-content: space-around;
}
.details-box .details-header .intro {
  flex: 5;
}
.details-box .details-header .intro .title {
  font-size: 26px;
  font-weight: bold;
  line-height: 40px;
  height: 80px;
  overflow: hidden;
  margin-bottom: 32px;
}
.details-box .details-header .intro .divide-gray {
  display: block;
  height: 1px;
  background-color: #ccc;
}
.details-box .details-header .intro .intro-body {
  padding-top: 32px;
}
.details-box .details-header .intro .intro-body .intro-item {
  font-size: 14px;
  display: flex;
  padding: 4px 0;
}
.details-box .details-header .rt-img {
  flex: 4;
}
.details-box .article {
  padding-top: 36px;
  display: flex;
}
.details-box .article .article-lf {
  flex: auto;
}
.details-box .article .article-rt {
  width: 200px;
  flex: none;
}
@media screen and (max-width: 768px) {
  .details-box .article {
    flex-wrap: wrap;
  }
  .details-box .article .article-lf {
    flex: none;
    width: 100%;
  }
  .details-box .article .article-rt {
    width: 100%;
  }
}
.details-box .article .share-box {
  margin-top: 40px;
  text-align: center;
}
.details-box .article .share-box .desc {
  color: #999999;
  line-height: 22px;
  margin-bottom: 16px;
}
.details-box .article .article-body {
  border-top: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  padding: 50px 0 26px 0;
}
.details-box .article .article-body p {
  margin-bottom: 24px;
  line-height: 30px;
  font-size: 16px;
}
.details-box .article .article-body img {
  display: block;
  margin: 24px auto;
}
.details-box .article .tools {
  margin-top: 36px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
}
.details-box .article .tools .prev {
  margin-right: 12px;
  color: #999;
}
.details-box .article .tools .next {
  margin-left: 12px;
  color: #999;
}
@media screen and (max-width: 768px) {
  .details-box .article .tools .name {
    display: none;
  }
  .details-box .article .tools .prev,
  .details-box .article .tools .next {
    margin: 0;
  }
}
.details-box .title-divide {
  position: relative;
  display: inline-block;
  font-size: 16px;
  font-weight: bold;
  line-height: 14px;
  padding-bottom: 32px;
  margin-bottom: 32px;
}
.details-box .title-divide::after {
  position: absolute;
  bottom: 0;
  left: 0;
  display: block;
  content: '';
  width: 100%;
  height: 2px;
  background: linear-gradient(137deg, #1824ec, #981111);
}