/* reset */
* {
  font-family: '微软雅黑', 'Microsoft YaHei', Arial, sans-serif;
  box-sizing: border-box;
}


html, body {
  height: 100%;
}

html, body, h1, h2, h3, h4, h5, h6, div, dl, dt, dd, ul, ol, li, p, blockquote, pre, hr, figure, table, caption, th, td, form, fieldset, legend, input, button, textarea, menu {
  margin: 0;
  padding: 0;
}
p{
  margin: 0 !important;
}
header, footer, section, article, aside, nav, hgroup, address, figure, figcaption, menu, details {
  display: block;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

caption, th {
  text-align: left;
  font-weight: normal;
}

html, body, fieldset, img, iframe, abbr {
  border: 0;
}

i, cite, em, var, address, dfn {
  font-style: normal;
}

[hidefocus], summary {
  outline: 0;
}
ul {
  margin-block-start: 0em;
  margin-block-end: 0em;
  padding-inline-start: 0px;
}
li {
  list-style: none;
}

h1, h2, h3, h4, h5, h6, small {
  font-size: 100%;
}

sup, sub {
  font-size: 83%;
}

pre, code, kbd, samp {
  font-family: inherit;
}

q:before, q:after {
  content: none;
}

textarea {
  overflow: auto;
  resize: none;
}

label, summary {
  cursor: default;
}

a, button {
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6, em, strong, b {
  font-weight: bold;
}

del, ins, u, s, a, a:hover {
  text-decoration: none;
}

body, textarea, input, button, select, keygen, legend {
  color: #333;
  outline: 0;
}

body {
  background: #f7f7f7;
  background: #fff;
}


.flexBox {
  display: flex;
  align-items: center;
}
.spaceAround {
  justify-content: space-around;
}
.spaceBetween {
  justify-content: space-between;
}
.oneLine {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.twoLine {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.mt10 {
  margin-top: 10px !important;
}
.mt20 {
  margin-top: 20px !important;
}
.mt40 {
  margin-top: 40px !important;
}
.borderBottom {
  border-bottom: 1px solid #F3F3F3;
}
.container1 {
  width: 1040px;
  margin: 0 auto;
  position: relative;
}

.c-fff {
  color: #fff;
}

.text-center {
  text-align: center;
}
/*网站配色开始*/
.globalColor {
  color:#00A970;
}
.globalBackground {
  background-color: #00A970 !important;
}
.borderColor {
  border-color: #00A970;
}

.navBox .dropdownMenu .dropdownItem:hover {
  color:#fff !important;
  background: #00A970;
}

.navBox .navLink.active {
  background: #00A970;
  color:#fff;
}

.navBox .navLink:hover {
  color:#00A970;
}

/* 网站配色结束 */
.main {
  display: flex;
}
.mainBox {
  flex:1;
}
.mainBox-left {
  flex: 1
}
.mainBox-right {
  flex: 0 0 420px;
}
.mainboxWrap {
  display: flex;
}
/*标题导航*/
.meetTitle-wrap {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 90px;
}

.meetTitle-wrap img {
  margin-right: 20px;
}

/* 导航 */
.navBox {
  position: relative;
  flex: 0 0 300px;
  border-right: 1px solid #eee;
}
.logoBox {
  padding: 85px 5px;
  border-bottom: 2px solid #eee;
  width: 100%;
  box-sizing: border-box;
}
.logoBox img {
  display: block;
  width: 100%;
}
.navBox .navWrap {
  font-size: 20px;
  position: sticky;
  top: 0px;
  z-index: 100;
}
.navBox .navItem {
  display: flex;
  align-items: center;
  border-bottom: 1px solid #eee;
  padding-left: 50px;
}
.navBox .navItem .navLink {
  display: block;
  padding: 10px 20px;
  border-radius: 24px;
}

.navBox a {
  color:#191919;
}

.navBox .dropdown {
  position: relative;
}
.navBox .dropdownT::after {
  content:'>';
  display: inline-block;
  margin-left: 5px;
  font-size: 16px;
}
.navBox .dropdown:hover .dropdownMenu {
  display: block;
}
.navBox .dropdownMenu {
  display: none;
  position: absolute;
  top:0px;
  left: 100%;
  background-color: #fff;
  z-index: 1000;
  box-shadow: 0px 2px 4px 0px rgba(238,238,238,0.5);
  border: 1px solid #EEEEEE;
  min-width: 200px;
}
.navBox .dropdownMenu .dropdownItem {
  display: block;
  color:#333;
  border-bottom: 1px solid #EEEEEE;
  width: 100%;
  font-size: 15px;
  padding: 10px 20px;
}
.bread {
  padding: 20px;
}
/* 尾部 */
.footer1 {
  border-top-width: 8px;
  border-top-style:solid;
  padding: 25px;
  background: #fff;
  text-align: center;
}
.footer {
  padding: 10px;
  color:#fff;
  background: #333333;
  text-align: center;
  font-weight: 500;
  font-size: 12px;
  color: #fff;
}



/* 倒计时*/
.clock {
  padding: 40px;
}

.clock-wrap {
  display: flex;
  flex-wrap: wrap;
  width: 190px;
}
.clock-item {
  flex: 0 0 90px;
  box-sizing: border-box;
}
.clock-item-key {
  font-size: 12px;
  color: #666666;
}
.clock-item-val {
  font-family: DINAlternate, DINAlternate;
  font-weight: bold;
  font-size: 64px;
  color: #333333;
}
.clock-item:first-child {
  border-right: 2px solid #D8D8D8;
  border-bottom: 2px solid #D8D8D8;
}
.clock-item:nth-child(2) {
  padding: 0px 0 0 20px;
  border-bottom: 2px solid #D8D8D8;
}
.clock-item:nth-child(3) {
  padding: 20px 0 0 0px;
  border-right: 2px solid #D8D8D8;
}
.clock-item:nth-child(4) {
  padding: 20px 0 0 20px;
}

/* 会议*/
.meet {
  background: #EEEEEE;
  padding: 40px;
}
.meet-wraps {
  display: flex;
  flex-wrap: wrap;
}
.meet-item {
  flex: 0 0 330px;
  margin: 20px 0 0;
  background: #fff;
  padding: 15px;
  box-sizing: border-box;
}
.meet-item:nth-child(3n + 2) {
  margin: 20px 25px 0;
}
/* 文本*/
.text-title {
  font-weight: 600;
  font-size: 30px;
}
.text-des {
  font-size: 20px;
}
.text-content {
  font-weight: 400;
  font-size: 17px;
}
/* 图片*/
.imgWrap .img {
  display: inline-block;
  margin: 40px 21px 0 0;
}
.imgWrap img:nth-child(4n) {
  margin-right: 0 !important;
}

.imgBox {
  display: flex;
  align-items: center;
  margin: 40px 25px 0 0;
}

/* 嘉宾*/
.chair .container1{
  display: flex;
  flex-wrap: wrap;
}
.chair-item {
  flex: 0 0 330px;
  height: 350px;
  text-align: center;
  padding: 15px;
  box-sizing: border-box;
  margin-top: 40px;
  background: #FFFFFF;
  background: url('../img//index/chair.png') no-repeat top left;
  margin: 20px 0px 0;
}
.chair-item:nth-child(3n + 2) {
  margin: 20px 25px 0;
}
.chair-item img {
  display: inline-block;
  width: 120px;
  height: 160px;
}
.chair-name {
  font-weight: 500;
  font-size: 28px;
  margin-top: 10px;
}
.chair-title {
  font-size: 17px;
  color: chair-intro;
  margin-top: 30px;
}
.chair-intro {
  font-size: 17px;
  color: #666;
  margin-top: 5px;
}
.page-title {
  font-weight: 600;
  font-size: 30px;
  color: #fff;
  line-height: 42px;
  text-align: center;
  width: 100%;
}
/* paper */
.paper{
  padding: 40px 0;
  font-weight: 400;
  font-size: 17px;
  color: #FFFFFF;
  line-height: 24px;
}
.paper-title {
  text-align: center;
  font-weight: 600;
  font-size: 30px;
  color: #FFFFFF;
}

/*publication*/
.publication .container1 {
  display: flex;
}
.publication-img {
  flex:0 0 450px;
  width: 450px;
}
.publication-content {
  flex:1;
  margin-left: 30px;
  font-weight: 600;
  font-size: 17px;
  color: #374151;
}
.publication-title {
  font-weight: 600;
  font-size: 30px;
  color: #1F2937;
}
.publication-Btn {
  display: inline-block;
  color:#fff;
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 5px;

}



/* 下载 */
.download-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  border:1px solid #eee;
  border-radius: 2px;
  width: 100%;
  padding: 15px;
  box-sizing: border-box;
}
.downloadBtn {
  width: 120px;
  height: 35px;
  border-radius: 2px;
  color:#fff;
  display: flex;
  justify-content: space-around;
  align-items: center;
  border-radius: 2px;
  cursor: pointer;
}

/* 赞助 */
.organ1 {
  display: flex;
  flex-wrap: wrap;
  margin-top: 20px;
}

.organ1-item {
  display: flex;
  flex: 0 0 510px;
  margin-right: 20px;
}

.organ1-item .img {
  margin-right: 20px;
}
.organ1-item:nth-child(2n) {
  margin-right: 0;
}

/* 页面进场动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.zoom-in {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.zoom-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* 页面加载动画 */
body {
  animation: pageFadeIn 1s ease-out;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 导航栏动画 */
.navBox {
  animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 内容区域动画 */
.main-content {
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 滚动动画触发点 */
.scroll-trigger {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-trigger.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 延迟动画 */
.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

.delay-4 {
  animation-delay: 0.8s;
}