/* 默认颜色 */
/* 垂直居中 */
.vc {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}
/* 文本超出隐藏并显示省略号 */
@media (max-width: 992px) {
  .clearPaddingLeftByMargin {
    margin-left: -15px;
  }
}
@media (max-width: 992px) {
  .clearPaddingRightByMargin {
    margin-right: -15px;
  }
}
.post-activity {
  margin-bottom: 2rem;
}
.post-activity .post-activity-header {
  padding-left: 2.1rem;
  position: relative;
  margin-bottom: 0.5rem;
}
.post-activity .post-activity-main-header {
  padding-left: 3.3rem;
  min-height: 2.8rem;
}
.post-activity .post-activity-main-header .post-activity-avatar {
  height: 2.8rem;
  width: 2.8rem;
  top: 2px;
}
.post-activity .post-activity-main-header .post-activity-avatar > * {
  border-radius: 4px;
}
.post-activity .post-activity-avatar {
  position: absolute;
  top: 0;
  left: 0;
  height: 1.6rem;
  width: 1.6rem;
}
.post-activity .post-activity-avatar > * {
  height: 100%;
  width: 100%;
  border-radius: 50%;
}
.post-activity .post-activity-username {
  display: inline-block;
  margin-right: 0.5rem;
  font-size: 1.2rem;
  color: #2b90d9;
}
.post-activity .post-activity-time-sm {
  font-size: 1rem;
  color: #000;
}
.post-activity .post-activity-from {
  color: #000;
  font-size: 1.2rem;
}
.post-activity .post-activity-time {
  font-size: 1rem;
  color: #555;
}
.post-activity .post-activity-content {
  margin-bottom: 0.6rem;
}
.post-activity .post-activity-content-container {
  position: relative;
  margin-top: 0.3rem;
}
.post-activity .post-activity-content-container.cover {
  padding-right: 9rem;
  height: 5.2rem;
}
.post-activity .post-activity-content-container.cover .post-activity-abstract {
  height: 5.2rem;
}
.post-activity .post-activity-abstract {
  max-height: 5.2rem;
  font-size: 1.25rem;
  text-decoration: none;
  color: #000;
  word-break: break-word;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.post-activity .post-post-abstract {
  font-size: 1.25rem;
  color: #000;
  word-break: break-word;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.post-activity .post-post-title {
  margin-top: 1rem;
  font-weight: 700;
  color: #000;
  text-decoration: none;
  transition: border-bottom 200ms;
  border-bottom: 1px solid transparent;
}
.post-activity .post-post-title:hover {
  border-bottom: 1px solid #000;
}
.post-activity .post-activity-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000;
  text-decoration: none;
  transition: border-bottom 200ms;
  border-bottom: 1px solid transparent;
}
.post-activity .post-activity-title:hover {
  border-bottom: 1px solid #000;
}
.post-activity .post-activity-cover {
  height: 5.2rem;
  width: 8rem;
  background-size: cover;
  position: absolute;
  top: 0;
  right: 0;
  border-radius: 3px;
}
.post-activity .post-activity-quote {
  border-radius: 5px;
  background-color: #f6f2ee;
  padding: 0.7rem 1rem 0.4rem 1rem;
  border: 2px solid #eae6e2;
}