.banner_text {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
}
.banner_text .v1 {
  width: 100%;
  font-size: 40px;
  text-align: center;
  margin-top: 10%;
  color: #fff;
}
.banner_text .v2 {
  width: 100%;
  font-size: 24px;
  text-align: center;
  margin-top: 8px;
  color: #fff;
}
.banner_text .v3 {
  width: 100%;
  text-align: center;
  margin-top: 10px;
}
.banner_text .v3 a {
  margin-top: 18px;
  display: inline-block;
  padding: 16px 15px;
  background: #fe7615;
  font-size: 15px;
  color: #fff;
  border-radius: 10px;
}

#page-body>.yichat_about{
  width: 100%;
  height: auto;
  margin-top: 50px;
}
.yichat_about>.content{
  width: 960px;
  height: 430px;
  margin: 0 auto;
  position: relative;
}
.yichat_about_left {
  width: 500px;
  height: 100%;
  float: left;
}
.yichat_about_left .about_title {
  width: 100%;
  height: auto;
  font-size: 20px;
  color: #333;
  margin: 80px 0 30px 0;
  text-align: center;
}
.yichat_about_left .about_content {
  width: 76%;
  height: auto;
  font-size: 12px;
  color: #333;
  margin:auto;
  line-height: 20px;
  text-align: left;
} 
.yichat_about_right {
  float: left;
  width: 446px;
  height: 100%;
}
.yichat_about_right img {
  width: 446px;
  height: 350px;
}
#page-body .yichat_about.special {
  background: #f3f3f3;
  margin-top: 0;
  height: auto;
}
#page-body .yichat_about.special .content {
  height: auto
}
.special_title {
  width: 100%;
  font-size: 25px;
  color: #333;
  text-align: center;
  padding-top: 50px;
  padding-bottom: 10px;
}
.special_subtitle {
  width: 100%;
  font-size: 14px;
  color: #333;
  text-align: center; 
  margin-top: 4px;
}
.special_list {
  width: 100%;
  height: auto;
  margin-top: 30px;
}
.special_list ul {
  width: 100%;
  height: auto;
}
.special_list li {
  width: 298px;
  float: left;
  height: auto;
  padding-bottom: 60px;
}
.special_list li .special_nomal {
  width: 298px;
  height: 428px;
  background-image: url("http://www.cnmmsc.org/yd/resource/images/meeting/sp_bg1.png");
  background-size: 100% 100%;
}
.special_list li .special_nomal img {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  padding-top: 152px;

}
.special_active {
  display: none;
  width: 288px;
  height: 428px;
  border-radius: 10px;
  background: #fd815a;
}
.special_active img {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  padding-top: 90px;
}
.special_active .v2 {
  width: 100%;
  font-size: 22px;
  color: #fff;
  text-align: center;
  margin-top: 20px;
  margin-bottom: 20px;
}
.special_active .v3 {
  width: 88px;
  height: 6px;
  margin: 0 auto;
  background: #fff;
  border-radius: 6px;
}
.special_active .v4 {
  width: 70%;
  margin: 0 auto;
  padding-top: 20px;
  color: #fff;
  text-align: center;
  font-size: 14px
}
.special_list li:nth-child(3){
  float: right;
}
.special_list li:nth-child(2){
  margin-left: 33px;
}
.special_list li .special_nomal div {
  font-size: 18px;
  color: #666;
  text-align: center;
  margin-top: 25px
}
.special_list li .special_list_title {
  margin-top:20px;
  font-size: 18px;
  color: #333;
  width: 100%;
  text-align: center;
}
.special_list li .special_list_dsc {
  margin-top: 8px;
  font-size: 15px;
  line-height: 25px;
  color: #333;
  width: 86%;
  padding: 0 7%;
  text-align: left;
}
#page-body .yichat_about.introduce {
  background: #fff;
  margin-top: 0;
  height: auto;
}
#page-body .yichat_about.introduce .content {
  height: auto;
}
.introduce_list {
  width: 100%;
  height: auto;
  margin-top: 30px;
  margin-bottom: 40px
}
.introduce_list ul {
  width: 910px;
  margin: auto;
  height: auto;
}
.introduce_list li {
  width: 24%;
  height: 488px;
  float: left;
  margin-left: 1%;
  cursor: pointer;
}
.introduce_list li .main {
  width: 100%;
  height: 100%;
  background: #fff;
  display: block;
}

.introduce_list li .main img {
  width: 106px;
  height: 106px;
  margin: 0 auto;
  padding-top: 60px; 
  padding-bottom: 40px;
}
.introduce_list_title {
  width: 70%;
  height: 264px;
  writing-mode: tb-rl;
  text-align: left;
  margin: 0 auto;
}
.introduce_list_title span {
  display: inline-block;
  line-height: 16px;
  letter-spacing: 4px;
  color: #767676;
  font-size: 12px
}
.introduce_list_title .t1 {
  font-size: 20px;
  margin-right: 20px; 
  color: #128bdf;
}
.introduce_list li .sub {
  width: 100%;
  height: 100%;
  background: #fe7615;
  display: none;
}
.introduce_list .active {
  box-shadow: 0 0 25px #ccc;
}
.introduce_list li .sub .text {
  width: 100%;
  height: 100%;
  padding: 0 35px;
  display: table;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
}
.introduce_list li .sub .text span {
  font-size: 15px;
  line-height: 22px;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  display: table-cell;
  vertical-align:middle;
  text-align:left;
 }
#page-body .yichat_about.advantage {
  background: #f3f3f3;
  margin-top: 0;
  height: auto;
}
#page-body .yichat_about.advantage .content {
  height: auto
}
.advantage_list {
  width: 910px;
  height: auto;
  margin-top: 30px;
  margin-bottom: 60px;
}
.advantage_list img {
  width: 910px;
  height: auto;
}

#page-body .yichat_about.scene {
  background: #fff;
  margin-top: 20px;
  height: auto;
  padding-bottom: 60px;
}
#page-body .yichat_about.scene .content {
  width: 910px;
  margin: auto;
  height: auto;
}

.scene_list ul {
  width: 910px;
  margin: auto;
  height: auto;
}
.scene_list li {
  width: 31%;
  height: 160px;
  float: left;
  margin-left: 2%;
  margin-top: 20px;
  position: relative;
}
.scene_list li img {
  width:100%;
  height: 100%;
}
.scene_list .t1 {
  width: 100%;
  position: absolute;
  top: 60px;
  text-align: center;
  color: #fff; 
  font-size: 18px;
}
.scene_list .t2 {
  width: 100%;
  position: absolute;
  top: 85px;
  text-align: center;
  color: #fff; 
  font-size: 14px;
}