.bg_header { position: fixed; left: 0; top: 0; z-index: 99; width: 100%; background: rgba(255,255,255,1); box-shadow: 0 5px 20px rgba(46,124,198,0.15);}
.bg_about {}
.bg_dark {} 
.bg_light {}
video {pointer-events: none; /* 禁用鼠标事件 */            user-select: none; /* 禁用文本选择 */            -webkit-user-drag: none; /* 禁用拖动 */}

.wrap { width: 100%; max-width: 1400px; margin: 0 auto; padding: 30px; position: relative;}
.wrap_header { padding: 0; max-width: 100%; padding: 0 100px;}

.wrap .h { font-size: 36px; margin-bottom: 20px; text-align: center; position: relative;}
.wrap .h i { font-size: 18px; font-style: normal; font-weight: normal; display: block; margin-top: -4px; color: #a2b7e6;}
.wrap .h em { font-size: 14px; font-weight: normal;}
.wrap .h img { position: absolute; width: 36px;}
.wrap .h .icon_1 { left: -50px; top: 15px; transform: scaleX(-1);}
.wrap .h .icon_2 { right: -50px; top: 15px;}
.wrap .h .inner { position: relative; display: inline-block;}

.tab { padding-bottom: 5px; display: flex; -webkit-display: flex; -webkit-user-select: none; overflow-x: auto; flex-wrap: wrap;}
.tab li { margin:0 10px 10px 0; padding: 5px 15px; color: rgba(255,255,255,0.5); cursor: pointer; white-space: nowrap; border-radius: 100px; border: 1px solid rgba(255,255,255,0.5);}
.tab li.active { color: #fff; font-weight: bold;  border: none; background-image: -webkit-linear-gradient(0deg,#00C8FF,#4ED9B0);}

.banner { position: relative; text-align: center; background: url("../images/bg.jpg") no-repeat center; background-size: 100% 100%;}
.banner .pic { width: 45%; position: absolute; left: 50%; top: 44%; transform: translate(-50%,-50%); z-index: 3}
.banner .video { width: 100%; display: block; z-index: 1;}


/*--header--*/
.header { display: flex; justify-content: space-between; align-items: center; display: -webkit-flex; -webkit-justify-content: space-between; -webkit-align-items: center; -webkit-user-select: none; position: relative;}
.header .logo img { height: 70px;}
.header .switch { display:none;}

.nav .item { display: inline-block; margin-left:30px;}
.nav .active a { position: relative; font-weight: bold; color: #0a92f8;}
.nav .active a:after { content: ""; width: 100%; height: 3px; position: absolute; bottom: -10px; left: 0; border-radius: 50px; background: #0a92f8;}
.btn_reg a { font-weight: bold; display: block; padding: 5px 20px; border-radius: 200px; background-image: -webkit-linear-gradient(0deg,#00C8FF,#FF7DFF); color: #fff;}
.link_reg { display: none; margin-right: 60px; padding: 5px 20px; border-radius: 200px; background-image: -webkit-linear-gradient(0deg,#00C8FF,#FF7DFF); color: #fff;}


.anchor { position: absolute; top: -30px; width: 100%; height: 10px;}
.bg_about .anchor { top: -130px;}


/*about*/
.wrap_about { padding-top: 0; margin-top: -140px;}
.about { padding-top: 40px; border-radius: 20px; background: rgba(216,242,255,0.5); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: 0 5px 20px rgba(46,124,198,0.15); border: 2px solid rgba(255,255,255,0.7);}
.about .text { line-height: 2em; padding:0 60px 50px 60px; position: relative; border-radius: 10px; position: relative;}
.about .text .icon { float: right; position: relative; margin: 0px 0 20px 40px; width: 28%; padding:0 20px;}
.about .text .icon img { width: 100%;}
.about .text p { text-indent: 2em; text-align: justify; text-justify: inter-ideograph;}
.about strong { color: #0a92f8;}

/*speaker*//*--swiper--*/
.speaker_swiper { overflow: hidden;}
.speaker_swiper .swiper-slide { width: 20%; padding: 0 10px; box-sizing: border-box; text-align: center;}
.speaker_swiper .swiper-slide img { width: 100%; border-radius: 10px;}
.speaker_swiper .swiper-slide span { margin-top: 2px; font-size: 14px; display: block;}
.speaker_swiper .swiper-slide span:first-line { font-size: 16px; font-weight: bold;}


/*agenda*/
.agenda .g { display: flex;}
.agenda .group { width: 78%; padding: 40px; background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(12px); border: 1px solid rgba(255, 255, 255, 0.4); box-shadow: 0 5px 20px rgba(46,124,198,0.15);  border-radius: 20px;}

.tab_date { display: flex; justify-content: center; margin-bottom: 40px;}
.tab_date .item { text-align: center; background: rgb(241, 245, 249); padding: 20px 50px; margin: 0 8px; border-radius: 18px; font-size: 18px; font-weight: bold; cursor: pointer; white-space: nowrap;box-shadow: 0 5px 20px rgba(46,124,198,0.15); }
.tab_date .active { color: #fff; background-image: -webkit-linear-gradient(-90deg,#ffb2c0,#6d9bfd);}

.tab_forum { width: 22%; margin-right: 30px;}
.tab_forum .item {background: rgba(241, 245, 249, 0.5); padding: 20px 100px 20px 20px; margin: 0 20px 8px 0; border-radius: 18px; font-size: 16px; font-weight: bold; cursor: pointer; white-space: nowrap; box-shadow: 0 5px 20px rgba(46,124,198,0.15); }
.tab_forum .item.active {color: #fff; background-image: -webkit-linear-gradient(90deg,#6d9bfd,#0a92f8);}

.agenda table { width: 100%;}
.agenda table tr { padding: 20px 0; border-bottom: 1px solid rgb(162,183,230,0.3); width: 100%; display: grid;  grid-template-columns: 120px 1fr;  grid-template-rows: auto auto;  }
.agenda table td { width: 100%; margin: 0; padding: 0; display: block;}
.agenda table td:nth-child(1) { color: #0a92f8; grid-row: span 2; grid-column: 1; padding-top: 4px; }
.agenda table td:nth-child(2) { font-weight: bold; grid-row: 1;  grid-column: 2;  }
.agenda table td:nth-child(3) { font-size: 14px; grid-row: 2; grid-column: 2; color: #5a6279; padding-top: 4px;}
.agenda table td:nth-child(3):first-line { color: #0a92f8; font-size: 15px;}
.agenda table td[colspan="3"] {grid-column: 1 / -1; /* 从第1列跨到最后一列，占满整行 */  grid-row: auto; /* 取消原有的跨行设置，只占一行 */  font-size: 14px; color: #5a6279;}


/*partner*/
.partner .logos { display: flex; flex-wrap: wrap; justify-content: space-between;}
.partner .logos .item { width: 15%;}
.partner .logos .item img { width:100%; border-radius: 10px; margin-bottom: 15px;}

/*--footer--*/
.footer {  line-height: 1.6em; text-align: center; font-size: 14px; padding: 30px 10px;}
.footer span { display: inline-block;}

/*--自适应--*/
@media screen and ( max-width:960px) {
	
	
	body { font-size: 15px;}
	
	.homepage { display: block;}
	.root { }
	.wrap { padding:20px 15px;}
	.wrap_header { padding: 0;}
		
	.wrap .h { font-size: 22px;}
  .wrap .h i { font-size: 16px;}
  .wrap .h em { font-size: 12px;}
  .wrap .h .icon { width: 40px; margin:0 10px 0 0;}
    
	.date { top: 3px; font-size: 16px;}
	
	.tab { flex-wrap: wrap; padding-bottom: 10px; justify-content: center;}
	.tab li { padding: 5px 20px; margin: 5px 2px;  background: rgba(0,0,0,0.15);}
	
	.banner { margin-top: 49px;}
	.banner .pic { width: 75%;}
	.banner .video { width: 160%; position: relative; left: 50%; top: 0; transform: translate(-50%, 0);}
    
	.data-show-box {font-size: 1em; margin: 0 0 2em 0;}
	
	.header { height: 50px;}
	.header .logo img {height: 50px; box-sizing: border-box; margin-left: 15px;}
	.header .nav { display: none; padding-top: 70px; position: fixed; left: 0; top: 0; width: 100%; height: 100vh; background: rgba(255,255,255,1);}
	.header .nav .item { display: block; text-align: center; margin: 0;}
	.header .nav a { display: block; padding: 15px;}
	.header .btn_reg a { background: none; font-weight: normal;}
	.header .nav .active a:after { display: none;}
	.header .switch { display: block; position: fixed; right: 0; top: 0; width: 50px; height: 50px; background: url("../images/icon_menu.png") center no-repeat; background-size: 70%;}
	.header .close { background-image: url("../images/icon_close.png");}
	.link_reg { display: block;}
	
  .wrap_about { margin: 0; }
  .about { padding-top: 20px;}
  .about .h { margin: 10px;}
  .about .text { padding:5px 25px 30px 25px; font-size: 14px; line-height: 1.8em;}
  .about .text .icon { display: none;}

  .speaker_swiper .swiper-slide { width: 50%; padding: 0 10px; box-sizing: border-box; text-align: center;}
  .speaker_swiper .swiper-slide span { font-size: 12px;}
  .speaker_swiper .swiper-slide span:first-line { font-size: 13px;}
  
  .wrap_agenda { margin: 0; padding: 0;}
  .agenda .g { display: block;}
  
  .tab_date { margin-bottom: 10px;}
  .tab_date .item { font-size: 15px; padding: 10px 15px;}
  
  .agenda .tab_forum { width: 100%;}
  .agenda .tab_forum { margin: 10px 0; display: flex; justify-content: space-between;}
  .agenda .tab_forum .item { margin: 10px 0; padding: 10px 5px; font-size: 13px; width: 49%; text-align: center;}
  
  .agenda .group { width: 100%; padding: 20px;}
  
  .agenda {padding: 15px; border: none;}
  .agenda table tr { display: block; width: 100%; padding: 10px 0;  box-sizing: border-box; display: block;}
  .agenda table tr:has(+ .h1) { border: none;}
  .agenda table td { display: block; border: none; padding: 0 5px; box-sizing: border-box;}
  .agenda .h1 { border: none; padding: 0;}
  .agenda .h1 td { width: 100%; font-size: 16px;}
  .agenda table td:nth-child(1) {}
  .agenda table td:nth-child(2) { padding: 2px 5px;}
  .agenda table td:nth-child(3) { padding-top: 0; font-size: 14px;}
  .agenda table td:nth-child(3):first-line { color: #2a2d56; font-size: 14px;}


  .overview_wrap .tit { font-size: 14px;}
  .overview_wrap .time { font-size: 12px;}
  .overview_wrap .addr { font-size: 12px; margin:2px 0 2px 0;}
  .overview_wrap .item { width: 49% !important;  margin:4px 0; padding:7px 10px;}
  #overview_wrap2 .item:nth-child(1) {width: 100% !important; background-size: 101% 101% !important;}

  .partner .logos .item { width: 24%;}
  .partner .logos .item img { border-radius: 4px; margin-bottom: 5px;}

	
	
}