.development_item {
  color: #333;
  /* background-color: #ebeff4; */
  background: #f2f5fb /*url(../../images/development/banner.png) no-repeat*/;
  background-size: 100% 100%;
  margin-bottom: 50px;
}
/* .timeheight{overflow-y: scroll;height:750px;width: 100%;} */
.timeheight::-webkit-scrollbar {
  display: none;
}
.top_pic {
  display: block;
  width: 0.6rem;
  height: 0.6rem;
  position: relative;
  left: 50%;
  top: 50%;
  margin-left: -0.3rem;
  margin-top: 0.05rem;
  position: relative;
}

.top_pic .icon {
  width: 0.17rem;
  height: 0.2rem;
  position: absolute;
  top: 38%;
  left: 38%;
}

.cd-container {
  width: 90%;
  max-width: 11.7rem;
  margin: 0 auto;
}

.cd-timeline {
  position: relative;
  padding: 0.32rem 0;
  margin-top: 0.32rem;
  margin-bottom: 0.32rem;
}

/* .cd-timeline::before {
         content: '';
         position: absolute;
         top: .9rem;
         left: .2rem;
         height: 90%;
         width: .02rem;
         background: #cfcfcf;
     } */

.cd-timeline-block {
  position: relative;
  padding: 0.15rem 0;
  min-height: 1rem;
  margin-top: -1px;
}

.cd-timeline-block:after {
  content: "";
  display: table;
  clear: both;
}

.cd-timeline-block:first-child {
  /* margin-top: 0; */
  /* padding-top: .5rem; */
}

.cd-timeline-block:last-child {
  margin-bottom: 0;
}

.cd-timeline-img {
  width: 0.6rem;
  height: 100%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-direction: column;
  order: 2;
  margin-left: 0.16rem;
  padding-top: 0.3rem;
  position: relative;
  /*top: .2rem; */
}
.cd-timeline-block::before {
  content: "";
  position: absolute;
  top: 0rem;
  left: 50%;
  height: 100%;
  width: 0.02rem;
  background: #cfcfcf;
}
.cd-timeline-block::after {
  content: "";
  position: absolute;
  bottom: 0rem;
  left: 50%;
  height: 15%;
  width: 0.02rem;
  background: #cfcfcf;
}

.cd-timeline-img .cd_img {
  display: block;
  margin: 0px auto;
  width: 0.26rem;
  height: 0.26rem;
  /* position: relative;
         left: 50%;
         top: 50%;
         margin-left: -.1rem;
         margin-top: .07rem; */
  transition: all 0.8s;
  -webkit-transition: all 0.8s;
  background:#f2f5fb url(../../images/development/develop_1.png) no-repeat center center;
  background-size: auto;
}
.cd-timeline-img .cd_img img{margin: 0 auto;display: block;}
.cd-timeline-img .time {
  /* position: relative;
         left: 50%;
         top: 50%;
         margin-left: -.3rem; */
  width: 0.6rem;
  text-align: center;
  /* font-family: 'Philosopher'; */
  font-weight: 600;
  margin: 0px auto 5px;
  background:#f2f5fb;

  /* background: #f0f4f9; */
}

.cd-timeline-content {
  position: relative;
  margin-left: 0.6rem;
  border: 0.01rem solid #d2d2d2;
  border-radius: 0.04rem;
  padding: 0.15rem 0.2rem;
  margin-left: 0;
  width: 45%;
}

.cd-timeline-content::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 100%;
  height: 0;
  width: 0;
  border: 0.07rem solid transparent;
  border-left: 0.06rem solid #f1f5fa;
  margin-top: -0.07rem;
}
.cd-timeline-block {
  width: 100%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.cd-timeline-block:nth-child(2n) {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.cd-timeline-block:nth-child(2n) .cd-timeline-img {
  order: 1 !important;
  margin-left: 0;
  margin-right: 0.15rem;
}
.cd-timeline-block:nth-child(2n) .cd-timeline-content {
  order: 2 !important;
  float: right;
  position: relative;
}
.cd-timeline-block:nth-child(2n) .cd-timeline-content::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -0.13rem;
  height: 0;
  width: 0;
  border: 0.07rem solid transparent;
  border-right: 0.06rem solid #f1f5fa;
  margin-top: -0.07rem;
}

.cd-timeline-img .cd_img:hover {
  object-fit: none;
  width: 0.26rem;
  height: 0.26rem;
  background: url(../../images/development/develop_2.png) no-repeat center center;
  background-size: 100%;
}

.cd-timeline-content:hover::before,
.cd-timeline-content:hover::after {
  /* border-right-color: #7390e5; */
  border-color: transparent;
  border-left-color: #7390e5;
  border-left: 0.08rem solid #7390e5;
}

.cd-timeline-block:nth-child(even) .cd-timeline-content:hover::before,
.cd-timeline-block:nth-child(even) .cd-timeline-content:hover::after {
  border-color: transparent;
  border-right-color: #8f6bd7;
  border-right: 0.08rem solid #8f6bd7;
}

.cd-timeline-content:hover {
  background: url(../../images/development/develop_setting.png) no-repeat;
  background-size: 100% 105%;
}
.cd-timeline-content:hover p {
  color: #fff;
}
.cd-timeline-content::before {
  content: "";
  position: absolute;
  top: 50%;
  margin-top: -0.08rem;
  right: -0.16rem;
  height: 0;
  width: 0;
  border: 0.08rem solid transparent;
  border-left: 0.08rem solid #d2d2d2;
}
.cd-timeline-block:nth-child(even) .cd-timeline-content::before {
  content: "";
  position: absolute;
  top: 50%;
  margin-top: -0.07rem;
  right: 100%;
  height: 0;
  width: 0;
  border: 0.08rem solid transparent;
  border-right: 0.08rem solid #d2d2d2;
}

.time {
  font-family: "微软雅黑";
  font-size: 0.18rem;
  color: #4a2eae;
}

.cd-timeline-content p {
  font-size: 0.16rem;
  color: #333;
  line-height: 0.3rem;
}

@media screen and (max-width:1366px)  {
  .cd-timeline-img{margin-left: .15rem;}
  .cd-timeline-block:nth-child(2n) .cd-timeline-img{margin-right: .14rem;}
  /* .cd-timeline-block::before{height: 37%;}
  .cd-timeline-block::after{height: 37%;} */
}
@media screen and (max-width:1080px)  {
  .cd-timeline-img{
    order: 1;
    margin-left: 0;    margin-right: 0.2rem;
  }
  .top_pic{left: .3rem;}
  .cd-timeline-block::before,.cd-timeline-block::after{left: .3rem;}
  .cd-timeline-content {
    position: relative;
    margin-left: 0.6rem;
    border: 0.01rem solid #d2d2d2;
    border-radius: 0.04rem;
    padding: 0.15rem 0.2rem;
    margin-left: 0;
    width: 100%;
    order: 2;
  }
  .cd-timeline-content::after{content: "";
    position: absolute;
    top: 50%;
    margin-top: -0.07rem;
    right: 100%;
    left: -.16rem;
    height: 0;
    width: 0;
    border: 0.08rem solid transparent;
    border-right: 0.08rem solid #eff3f8;}
    .cd-timeline-content::before{
        content: "";
        position: absolute;
        top: 50%;
        left: -.18rem;
        height: 0;
        width: 0;
        border: 0.09rem solid transparent;
        border-right: 0.09rem solid #d2d2d2;
        margin-top: -0.07rem;
}
  .cd-timeline-block:nth-child(2n) .cd-timeline-content{width: 100%;}
  .cd-timeline-block:nth-child(2n) .cd-timeline-content::after {
    content: "";
    position: absolute;
    top: 50%;
    left: -0.14rem;
    right: 100%;
    height: 0;
    width: 0;
    border: 0.07rem solid transparent;
    border-right: 0.07rem solid #eff3f8;
    margin-top: -0.07rem;
}
.cd-timeline-block:nth-child(even) .cd-timeline-content::before {
    content: "";
    position: absolute;
    top: 50%;
    margin-top: -0.07rem;
    right: 100%;
    left: -.16rem;
    height: 0;
    width: 0;
    border: 0.08rem solid transparent;
    border-right: 0.08rem solid #d2d2d2;
}
}
@media screen and (max-width:640px) {
    .cd-timeline-block::after{height: 23%;}
}