.card-list {
  column-count: 3;
  column-gap: 1.25rem;
}

.card-list-item {
  /* 父节点设置了 column-count, 子节点需要设置 display: inline-block; 否则高度无法自动； */
  display: inline-block;
  border: 1px solid #e5e5e5;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
  margin-bottom: 1rem;
  overflow: hidden;
}

.card-list-item:hover {
  box-shadow: 2px 3px 3px #999;
  border-color: #ccc;
}

.card-list-item > a {
  color: inherit;
  display: block;
  width: 100%;
  height: auto;
  padding: 1rem;
}
.card-list-item h3 {
  margin-top: 0;
  line-height: 1.25;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.card-list-item h3 > img {
  height: 3rem;
}
.card-list-item p {
  margin-bottom: 0;
}

.avatar-list {
  padding: 0.5rem 1rem;
  background-color: #f5f5f5;
  border-top: 1px solid #e5e5e5;
  display: flex;
  flex-flow: row wrap;
  gap: 0.25rem;
}

.avatar-list-item {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  overflow: hidden;
}

.avatar-list-item img,
.avatar-list-item a {
  width: 100%;
  height: 100%;
}