/* 首页使用的 Hover.css 下划线效果，仅保留实际引用的规则。 */
.hvr-underline-from-left {
  display: inline-block;

  vertical-align: middle;

  -webkit-transform: perspective(1px) translateZ(0);

  transform: perspective(1px) translateZ(0);

  box-shadow: 0 0 1px transparent;

  position: relative;

  overflow: hidden;
}

.hvr-underline-from-left:before {
  content: '';

  position: absolute;

  z-index: -1;

  left: 0;

  right: 100%;

  bottom: 0;

  background: #2098d1;

  height: 4px;

  -webkit-transition-property: right;

  transition-property: right;

  -webkit-transition-duration: 0.3s;

  transition-duration: 0.3s;

  -webkit-transition-timing-function: ease-out;

  transition-timing-function: ease-out;
}

.hvr-underline-from-left:hover:before,
.hvr-underline-from-left:focus:before,
.hvr-underline-from-left:active:before {
  right: 0;
}