.est-heading {
  font-family: 'Helvetica Neue', Arial, 'Hiragino Sans GB', 'Hiragino Sans GB W3', 'Microsoft Yahei', 'WenQuanYi Micro Hei', sans-serif;
  *font-family: 'Microsoft Yahei', Arial, sans-serif;
}
.est-text {
  font-family: 'Helvetica Neue', Arial, sans-serif;
}
.est-code {
  font-family: Monaco, Consolas, monospace;
}
.est-ellipsis {
  width: 10em;
  overflow: hidden;
  text-overflow: ellipsis;
  -o-text-overflow: ellipsis;
  white-space: nowrap;
  background-color: #fee9cc;
}
.est-ellipsis-3 {
  width: 30em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.est-force-wrap {
  white-space: pre;
  white-space: pre-wrap;
  white-space: pre-line;
  white-space: -pre-wrap;
  white-space: -o-pre-wrap;
  white-space: -moz-pre-wrap;
  white-space: -hp-pre-wrap;
  word-wrap: break-word;
}
.example-force-wrap {
  margin-top: 10px !important;
  width: 20em;
  line-height: 1.5;
  background-color: #fee9cc;
}
.est-hide-text {
  text-indent: -9999px;
  overflow: hidden;
  text-align: left;
  display: inline-block;
  *display: inline;
  *zoom: 1;
  background-color: #fee9cc;
  width: 100px;
}
.est-hide-text2 {
  text-indent: -9999px;
  overflow: hidden;
  text-align: left;
  display: block;
  background-color: #fee9cc;
}
.est-hide-text:hover,
.est-hide-text2:hover {
  text-indent: 0;
  overflow: visible;
}
.est-invisible {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  *clip: rect(1px 1px 1px 1px);
}
.est-img-replace {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  text-indent: -9999px;
  overflow: hidden;
  text-align: left;
  background: url('http://www.baidu.com/img/bdlogo.gif') no-repeat -106px -30px;
  width: 55px;
  height: 60px;
}
.est-font-size-em {
  font-size: 2.2857142857142856em;
}
.est-font-size-rem {
  font-size: @{@px-size-no-unit}px;
  font-size: 2.2857142857142856rem;
}
.est-hover-link {
  text-decoration: none;
}
.est-hover-link:hover {
  text-decoration: underline;
}
.est-unstyled-link {
  color: inherit;
  text-decoration: inherit;
  cursor: inherit;
}
.est-unstyled-link:active,
.est-unstyled-link:focus {
  outline: none;
}
.est-drop-cap-context {
  font-size: 1em;
  line-height: 2;
}
.est-drop-cap {
  overflow: hidden;
  line-height: 2;
  _zoom: 1;
}
.est-drop-cap:first-letter {
  _display: inline;
  float: left;
  margin-right: 0.5em;
  font-size: 2em;
  line-height: 2;
}
.est-drop-cap-2 {
  overflow: hidden;
  line-height: 24px;
  _zoom: 1;
}
.est-drop-cap-2:first-letter {
  _display: inline;
  float: left;
  margin-right: 10px;
  font-size: 3em;
  line-height: 24px;
  line-height: 72px;
}
.est-drop-cap-inline {
  _display: inline;
  float: left;
  margin-right: 0.5em;
  font-size: 2em;
  line-height: 24px;
  line-height: 48px;
}