// 文字溢出省略
.ellipsis(@lines: 1, @width: 100%) {
  overflow: hidden;
  text-overflow: ellipsis;
  & when (@lines = 1) {
    width: @width;
    white-space: nowrap;
  }
  & when (@lines > 1) {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: @lines;
    word-break: break-all;
  }
}

.word-break() {
  white-space: normal;
  word-wrap: break-word;
  word-break: break-all;
}