html{
  font-size: 100px;
}
.index_cn{
  font-family: "PingFang SC","Microsoft YaHei" !important;
}
.index_en{
  font-family:"Helvetica"  !important;
}
h1{
  font-size: 0.3rem;
}
h2{
  font-size: 0.2rem;
}
h3{
  font-size: 0.18rem;
}
h4{
  font-size: 0.14rem;
}
h1,h2,h3,h4,h5,h6{
  margin: 0;
}
@media (min-width: 768px) {
  h1{
    font-size: 0.45rem;
  }
  h2{
    font-size: 0.30rem;
  }
  h3{
    font-size: 0.24rem;
  }
  h4{
    font-size: 0.20rem;
  }
}

ul{
  padding:0;
}
ul,li{
  list-style: none;
}
dl,dt,dd{
  margin:0;
  padding: 0;
}
.img-all>img{
  width: 100%;
  height: 100%;
}
.row{
  margin-left: 0;
  margin-right: 0;
}
.container-fluid{
  /*width: 19.20rem;*/
  padding:0;
  overflow: hidden;
  z-index: 1;
}

.navbar-nav>li>a{
  cursor: default;
}
.navbar-nav>li>a>span{
  cursor: pointer;
}

/* 直播跳转时的id外间距 */
div#about,div#speaker,#theme,#agenda,#event,#venue,#register{
	margin-top: 10px;
	height: 10px;
}
/*section title*/
.section-header{
  padding-left: 0.5rem;
  position: relative;
}
.section-header>.help{
  width: 0.5rem;
  position:absolute;
  left: 0;
  top:0;
}
.section-header>h1{
  color: #000;
}

.section-header>h2{
  opacity: 0.6;

  color: #515151;
}
@media (min-width: 768px) {
  .section-header{
    padding-left: 1.27rem;
    position: relative;
  }
  .section-header>.help{
    width: 1.11rem;
    height:0.84rem;
    position:absolute;
    left: 0;
    top:0;
    background-image:url(http://emtechimg.mittrchina.com/Public/Home/img/01banner_deco02.png);
    background-size: 100% 100%;
  }
  .section-header>h1{

    font-size: 0.45rem;
    line-height: 0.84rem;
    letter-spacing: 0.10rem;
    color: #000;
  }
  .index_en .section-header>h1{
    letter-spacing: 0;
  }
  .section-header>h2{
    opacity: 0.6;
    line-height: 0.93;
    letter-spacing: 0.01rem;
    text-align: left;
    color: #515151;
  }
}
.help-title{
  height:0.71rem;
  padding-left: 0.33rem;
  position: relative;
}
.help-title:before{
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top:0;
  width: 0.09rem;
  height: 0.71rem;
  background-image: -webkit-gradient(linear, left top, left bottom, from(#d41d0f), to(rgba(212, 29, 15, 0)));
  background-image: linear-gradient(to bottom, #d41d0f, rgba(212, 29, 15, 0));
}

.help-title>h2{
  font-weight:bold;
  letter-spacing: 0.025rem;
  text-align: left;
  color: #000;
  text-transform:uppercase;
}
.help-title>h4{
  font-weight:bold;
  line-height: 2;
  letter-spacing: 0.017rem;
  text-align: left;
  color: #a9a9a9;
  text-transform:uppercase;
}

@media (min-width: 768px) {
  .help-title{
    height:0.71rem;
    padding-left: 0.33rem;
    position: relative;
  }
  .help-title:before{
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top:0;
    width: 0.09rem;
    height: 0.71rem;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#d41d0f), to(rgba(212, 29, 15, 0)));
    background-image: linear-gradient(to bottom, #d41d0f, rgba(212, 29, 15, 0));
  }
  .help-title>h4{
    font-weight:bold;
    line-height: 2;
    letter-spacing: 0.017rem;
    text-align: left;
    color: #a9a9a9;
  }

  .help-before:before{
    content: "";
    display: block;
    position: absolute;
    left:0;
    top: 0.1rem;
    width: 0.06rem;
    height: 85%;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#d41d0f), to(rgba(212, 29, 15, 0)));
    background-image: linear-gradient(to bottom, #d41d0f, rgba(212, 29, 15, 0));
  }
  .help-before:last-child:before{
    background-image:none;
  }
}
.bg-style{
  /*background-position: center;*/
  background-size: 100% auto;
  background-repeat: repeat-y;
}
section{
  overflow: auto;
}

#section1{
  background-image:url('../img/big-bg0909.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
}
/* #section1:before{
    content: '';
    background-color: rgba(0, 0, 0, 0.6);
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
} */

#section2{
  /*background-image:url(../img/02speakers_bg.png);*/
  background: #292A29;
}

#section3{
  background-image:url(http://emtechimg.mittrchina.com/Public/Home/img/03theme_bg.png);
  background-size: cover;
}
#section4{
  background-image:url(http://emtechimg.mittrchina.com/Public/Home/img/04agenda_bg.png);
}
#section5{
  background-image:url(http://emtechimg.mittrchina.com/Public/Home/img/05_specialevents_bg.png);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
#section6{
  background-image:url('../img/location2020.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  height: 1000px;
  padding-top: 100px;
}
#section7{
  background-image:url(http://emtechimg.mittrchina.com/Public/Home/img/07ticket_bg.png);
  background-size: cover;
}
#section9{
  background-image:url(http://emtechimg.mittrchina.com/Public/Home/img/09partner_bg.png);
  background-size: cover;
}
footer{
  background-image:url(http://emtechimg.mittrchina.com/Public/Home/img/bottom_bg.png);
  background-size: cover;
}

@media(max-width:768px){
  .section-header{
    padding-left: 0.6rem;
    margin-left: 0.15rem;
  }
  .section-header>.help{
    width: 0.545rem;
  }
  .section-header>h1{
    font-size: 0.16rem;
    padding-top: 0.1rem;
  }
  .section-header>h2{
    font-size: 0.1rem;
    letter-spacing: 0.01rem;
  }
  .help-before:before{
    left:-0.14rem;
    top:0.03rem;
    width: 2px;
    height: 100%;
    transform: translateY(0);
  }
  .help-title{
    height: 0.38rem;
    padding-left: 0.13rem;
  }

  .help-title:before{
    width: 0.02rem;
    height: 0.38rem;
  }
  .help-title>h2{
    font-size: 0.18rem;
    line-height: 1.2;
  }
  .help-title>h4{
    font-size: 0.12rem;
    line-height: 1.17;
  }

}