.site-container .wrapper .dev-timeline > .timeline-tree {
  float: left;
  margin-right: 100px;
  position: relative;
  z-index: 2;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li {
  position: relative;
  margin-bottom: 20px;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li:hover a, .site-container .wrapper .dev-timeline > .timeline-tree > ul li.active a {
  color: #428bca;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li:hover a span.timeline-attr, .site-container .wrapper .dev-timeline > .timeline-tree > ul li.active a span.timeline-attr {
  color: #428bca;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li:hover a span.timeline-circle, .site-container .wrapper .dev-timeline > .timeline-tree > ul li.active a span.timeline-circle {
  border-color: #428bca;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li:hover a span.timeline-title, .site-container .wrapper .dev-timeline > .timeline-tree > ul li.active a span.timeline-title {
  color: #428bca;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li:not(:last-child) a span.timeline-circle:after {
  content: "";
  display: block;
  position: absolute;
  top: 100%;
  left: 50%;
  width: 3px;
  height: 20px;
  background-color: #d4d9dd;
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  margin-top: 10px;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li:last-child {
  margin-bottom: 0;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li a {
  font-family: '微軟正黑體', '微軟正黑體 Light', sans-serif;
  font-weight: normal;
  font-size: 14px;
  color: #222222;
  text-decoration: none;
  margin-bottom: 0;
  line-height: inherit;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li a span {
  -moz-transition: all 250ms ease-in-out;
  -o-transition: all 250ms ease-in-out;
  -webkit-transition: all 250ms ease-in-out;
  transition: all 250ms ease-in-out;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li a span.timeline-attr {
  font-weight: 600;
  color: #d4d9dd;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li a span.timeline-circle {
  position: relative;
  display: inline-block;
  width: 25px;
  height: 25px;
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  border-radius: 50%;
  border: #d4d9dd 4px solid;
  vertical-align: middle;
  line-height: 40px;
  margin: 5px 20px;
}
.site-container .wrapper .dev-timeline > .timeline-tree > ul li a span.timeline-title {
  font-weight: 700;
  color: #222222;
}
.site-container .wrapper .dev-timeline > .timeline-content {
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.site-container .wrapper .dev-timeline > .timeline-content .timeline-item {
  float: left;
}
.site-container .wrapper .dev-timeline > .timeline-content .timeline-item > h2 {
  font-family: '微軟正黑體', '微軟正黑體 Light', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: #222222;
  line-height: 30px;
  margin-bottom: 15px;
}
.site-container .wrapper .dev-timeline > .timeline-content .timeline-item > p {
  font-family: '微軟正黑體', '微軟正黑體 Light', sans-serif;
  font-weight: normal;
  font-size: 14px;
  color: #9b9b9b;
  line-height: 23px;
  margin-bottom: 20px;
}
.site-container .wrapper .dev-timeline > .timeline-content .timeline-item.active {
  display: block;
}