.part1 {
  width: 926px;
  margin: 0 auto;
}

.part1 .part1_title {
  margin-bottom: 40px;
  background: url(../images/227/title.png) no-repeat center;
  color: #092b7b;
  font-size: 56px;
  font-weight: 100;
  text-align: center;
}

.part1_con {
  width: 919px;
  margin: 0 auto;
}

.lunhuan {
  width: 500px;
  float: left;
}

div.part1_con {
  width: 919px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/*嘉宾演讲*/
.speak,
.speak_show,
.speak_show li {
  width: 688px;
  height: 436px;
}

.speak {
  overflow: hidden;
  position: relative;
}

.speak_show {
  position: absolute;
  display: flex;
}

.speak_show li {
  position: relative;
}

.speak_show li img {
  width: 688px;
  box-sizing: border-box;
}

.speak_show li .details {
  width: 100%;
  height: 100px;
  position: absolute;
  bottom: 0;
  left: 0;
  filter: progid:DXImageTransform.Microsoft.gradient(enabled='true', startColorstr='#B2000000', endColorstr='#B2000000');
  background: rgba(0, 0, 0, 0.7);
}

:root .speak_show li .details,
:root .zhuanfang .model .img .img_bg,
:root .shipin_show .shipin_bg {
  filter: progid:DXImageTransform.Microsoft.gradient(enabled='true', startColorstr='#00000000', endColorstr='#00000000');
}

.speak_show li .details .details_top {
  line-height: 24px;
  padding: 10px 0 0 20px;
  font-size: 12px;
}

.speak_show li .details .details_top h3 {
  font: bold 20px/24px "Microsoft Yahei", "黑体";
  color: #fff;
  float: left;
}

.speak_show li .details .details_bot p {
  color: #fff;
  font-size: 12px;
  float: left;
}

.speak_show li .details .details_top h3 span {
  font-size: 14px;
}

.speak_show li .details .details_bot {
  padding-left: 20px;
}

.speak_show li .details .yj_title {
  font: normal 16px/24px "Microsoft Yahei", "黑体";
  color: #ff9d1e;
  padding: 8px 20px 0;
}

.speak_show li .details .details_bot .red,
.speak_show li .details .details_top .video1 {
  float: right;
  padding-right: 30px;
}

.speak_nav {
  width: 211px;
  height: auto;
  overflow: hidden;
  border: 2px solid #ffd895;
  box-sizing: border-box;
}

.speak_nav .prev,
.speak_nav .next {
  background: #ffd895 url(../images/huigu/up01.png) no-repeat center;
  height: 22px;
  width: 100%;
  cursor: pointer;
  position: relative;
  z-index: 9999;
}

.speak_nav .next {
  background: #ffd895 url(../images/huigu/next.png) no-repeat center;
}

.speak_nav .speak_con {
  height: 390px;
  width: 196px;
  margin: 4px auto 0;
  position: relative;
}

.speak_nav .speak_con ul {
  position: absolute;
}

.speak_con ul li {
  height: 130px;
  position: relative;
  cursor: pointer;
}

ul.speak_show li {
  width: 688px;
  height: 436px;
  box-sizing: border-box;
  overflow: hidden;
  border: 4px solid #ffd895;
}

.speak_con ul li img {
  width: 194px;
  height: 124px;
  border: solid 1px #ccc;
  box-sizing: border-box;
}

.speak_con ul li.active {
  opacity: 1;
}

.speak_con ul li.active img {
  border: solid 2px #ffd895;
}

.speak_con ul li .speak_info,
.ceo_bg {
  width: 100%;
  height: 40px;
  overflow: hidden;
  font-size: 12px;
  position: absolute;
  left: 0;
  bottom: 4px;
  filter: progid:DXImageTransform.Microsoft.gradient(enabled='true', startColorstr='#7F000000', endColorstr='#7F000000');
  background: rgba(0, 0, 0, 0.5);
}

:root .speak_con ul li .speak_info,
:root .ceo_bg {
  filter: progid:DXImageTransform.Microsoft.gradient(enabled='true', startColorstr='#00000000', endColorstr='#00000000');
}

.speak_con ul li .speak_info p {
  text-align: center;
  padding-top: 4px;
  color: #fff;
  line-height: 16px;
}


.wechat-code {
  text-align: center;
}

.wechat-code img {
  display: block;
  margin-bottom: 10px;
}


.organization_item {
  padding-bottom: 40px;
}

.organization_item_title {
  position: relative;
  width: 1000px;
  margin: 0 auto 25px;
  text-align: center;
}

.organization_item_title span {
  position: relative;
  display: inline-block;
  font-size: 20px;
  color: #000;
  padding: 0 20px;
  background: #fff;
  z-index: 1;
}

.organization_item_title::after {
  position: absolute;
  left: 0;
  top: 50%;
  content: '';
  width: 100%;
  height: 1px;
  background: #dcdcdc;
  visibility: visible;
}

.organization_item ul li {
  font-size: 18px;
  color: #515151;
  text-align: center;
  line-height: 1.5em;
}