/* color */
.cyan {
  color: #f1f8ff;
}
.black {
  color: #ddd;
}
.gray {
  color: #d8f6fb;
}
.pink {
  color: #ffc0fb;
}
.purple {
  color: #e0c6f5;
}
/* archive list */
.archive {
  width: 100%;
  min-height: calc(100vh - 221px);
  margin: 0 auto;
  padding: 0 210px;
}
.archive-item {
  position: relative;
  margin: 20px auto;
  border: 1px solid #c8e1ff;
  border-radius: 0 0 8px 8px;
/* box-shadow: 0 0 4px #ccc; */
}
@media all and (max-width: 810px) {
  .archive {
    padding: 0 10px;
  }
  .archive-item:after {
    content: '';
    position: absolute;
    top: 14px;
    width: 12px;
    height: 12px;
    border-bottom: 1px solid #c8e1ff;
    background-color: currentColor;
  }
  .archive-item:nth-child(2n+1):after {
    left: -7px;
    border-left: 1px solid #c8e1ff;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
  }
  .archive-item:nth-child(2n):after {
    right: -7px;
    border-right: 1px solid #c8e1ff;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
  }
}
.archive-item-tit {
  height: 50px;
  background-color: currentColor;
  line-height: 50px;
}
.archive-item-tit a {
  margin-left: 10px;
  font-size: 18px;
  font-weight: bold;
  color: #333;
}
.archive-item-tit span {
  float: right;
  margin-right: 10px;
  color: #666;
}
.archive-description {
  color: #333;
  font-size: 14px;
  padding: 10px;
  line-height: 1.5;
}