.about_history {
  background: url(../images/history_02.png) repeat-y top center, url(../images/history_bg2.png) top center repeat-y;
  margin-top: 50px;
  padding-top: 100px;
  padding-bottom: 100px;
}
.about_history dl {
  width: 50%;
  margin-left: 50%;
  position: relative;
  margin-bottom: 30px;
}
.about_history dl dt {
  position: absolute;
  top: 20px;
  left: -30px;
  font-size: 24px;
  color: #fff;
  font-weight: bold;
}
.about_history dl dt:after {
  content: '';
  position: absolute;
  top: 25px;
  left: 80px;
  width: 38px;
  height: 2px;
  background: #348de5;
}
.about_history dl dd {
  color: #666;
  font-weight: lighter;
  margin-left: 100px;
  line-height: 24px;
}
.about_history dl dd img {
  width: 160px;
  height: 90px;
}
.about_history dl:nth-child(2n) {
  text-align: right;
  margin-left: auto;
  margin-right: 50%;
}
.about_history dl:nth-child(2n) dt {
  right: -30px;
}
.about_history dl:nth-child(2n) dt:after {
  left: auto;
  right: 80px;
}
.about_history dl:nth-child(2n) dd {
  margin-left: auto;
  margin-right: 100px;
}



.time-axis{
  margin: 0;
  padding: 0;
  position: relative;
}

.time-axis:before{
  content: '';
  position: absolute;
  left: 83px;
  top: 15px;
  width: 1px;
  height: 100%;
  background-color: #E4E4E4;
}
.time-axis-item{
  list-style: none;
  padding-left: 120px;
  position: relative;
  line-height: 28px;
  font-size: 14px;
  color: #141414;
}
.time-axis-achievement{
  margin: 0;
  color:#999;
  padding:10px 0;
  line-height:21px;
}
.time-axis-date{
  position: absolute;
  left: 0;
  top: 0;
  color: #666;
}

.time-axis-date span{
  position: absolute;
  right: -22px;
  top: 35%;
  display: block;
  width: 13px;
  height: 13px;
  border: 1px solid #ccc;
  border-radius: 100%;
  background-color: #fff;
}
.time-axis-date span:after{
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  width: 7px;
  height: 7px;
  margin: auto;
  background-color: #ccc;
  border: 1px solid #ccc;
  border-radius: 100%;
}

.time-axis-item:last-child .time-axis-date span{
  border-color: #48BEB2;
}

.time-axis-item:last-child .time-axis-date span:after{
  background-color: #48BEB2;
  border-color: #48BEB2;
}

.download-list{}
.download-list>li{line-height: 1.5em;padding:5px 0;}


.partner-list-box{width:160px;height:160px;line-height:160px;text-align:center;background: #fff;float:left;margin-right:10px;margin-top:10px;transition: all 0.6s;}
.partner-list-box:hover{transform: scale(1.1);box-shadow: 0px 0px 4px 3px #f0f0f0;}
.partner-list-box>img{width:120px;max-height:120px;vertical-align: middle; margin:auto;}
.partner-more{width:370px;height:180px;background:#fff;float:left;margin-top:10px;}
.partner-more>a{display: block;text-align: center;font-size:48px;color:#00b7ee;line-height:160px;}


@media screen and (max-width: 767px) {
  .about_history {
    background-image: none;
    margin-top: 30px;
    padding-top: 0px;
    padding-bottom: 50px;
    margin-left: 0px;
    border-left: 2px solid #348de5;
    border-image: -webkit-linear-gradient(#348de5, #d64a5e, #4ea7ee) 30 30;
    border-image: -moz-linear-gradient(#348de5, #d64a5e, #4ea7ee) 30 30;
    border-image: linear-gradient(#348de5, #d64a5e, #4ea7ee) 30 30;
  }
  .about_history dl {
    width: auto;
    margin: 0;
    margin-left: 0px;
    position: relative;
    margin-bottom: 0px;
    padding: 15px 0;
    padding-left: 20px;
  }
  .about_history dl dt {
    position: static;
    font-size: 18px;
    color: #348de5;
    font-weight: normal;
    margin-bottom: 10px;
  }
  .about_history dl dt:after {
    top: 24px;
    left: 5px;
    width: 10px;
    height: 1px;
  }
  .about_history dl dd {
    margin: 0;
    line-height: 22px;
  }
  .about_history dl dd img {
    width: 160px;
    height: 90px;
    border: 1px solid #eee;
    padding: 1px;
  }
  .about_history dl:nth-child(2n) {
    text-align: left;
    margin: 0;
  }
  .about_history dl:nth-child(2n) dt {
    left: 50px;
  }
  .about_history dl:nth-child(2n) dt:after {
    right: auto;
    left: 5px;
    height: 1px;
  }
  .about_history dl:nth-child(2n) dd {
    margin: 0;
  }
  .vedio {
    margin-top: -50px;
    padding-top: 30px;
  }
  .vedio .container p.title {
    font-size: 18px;
    padding: 40px 0 25px 0;
  }
  .vedio .container p.subTitle {
    font-size: 14px;
    line-height: 30px;
    padding-bottom: 25px;
  }
  .vedio .container .vBtn {
    padding-bottom: 40px;
  }
  .vedio .container .vBtn a {
    width: 50px;
    height: 50px;
    line-height: 46px;
    text-align: center;
  }
  .vedio .container .vBtn a i {
    font-size: 20px;
  }
  .vedio .container .vBtn a:hover i {
    font-size: 35px;
  }
}