body,dl,dd,h1,h2,h3,h4,h5,h6,form,p{margin:0;}
h1,h2,h3,h4,h5,h6{font-weight: normal;font-size: 100%;}
ul,ol{margin: 0;padding: 0;list-style:none;}
img{border:0;}
article, aside, dialog, footer, header, section, footer, nav, figure, menu {display: block;}
i,em{font-style: normal;}
body{background-color: #1e2023;color: #afafaf;font:15px/1.5 '\5FAE\8F6F\96C5\9ED1',Arial,\5b8b\4f53,Verdana,Tahoma,Helvetica,sans-serif;}
a{text-decoration: none;}

.logo,
.menu-list li,
.choosed .img,
.download-list li,
.focus-tit,
.social-tit{
  background: url(../images/sprite.png) no-repeat;
  text-indent: -9999px;
}
.wrap{
	width:100%;
	background-color: #1b1c20; 
	color: #ededed;
}
.content{
	width: 1520px; 
	margin: 0 auto;
}

/* header */
.header{
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  width: 100%;
  height: 100px;
  background-color: #000;
}
.logo{
	float: left;
	width: 304px;
	height: 80px;
	margin-top: 10px;
	margin-left: 8px; 
  margin-right: 118px;
  background-position: 0 -642px;
}
.menu-list{
	float: left;
	width: 876px;
	margin-top: 40px;
}
.menu-list li{
	float: left;
	width: 216px;
  height: 28px;
  cursor: hand;
  cursor: pointer;
}
.menu-list li a{
  display: block;
  height: 100%;
}
.menu-list li:nth-child(1){
	background-position: -274px 0;
}
.menu-list li:nth-child(1).active,
.menu-list li:nth-child(1):hover{
	background-position: -274px -123px;
}
.menu-list li:nth-child(2){
	background-position: -274px -30px;
}
.menu-list li:nth-child(2).active,
.menu-list li:nth-child(2):hover{
	background-position: -274px -153px;
}
.menu-list li:nth-child(3){
	background-position: -274px -61px;
}
.menu-list li:nth-child(3).active,
.menu-list li:nth-child(3):hover{
	background-position: -274px -184px;
}
.menu-list li:nth-child(4){
	background-position: -274px -90px;
}
.menu-list li:nth-child(4).active,
.menu-list li:nth-child(4):hover{
	background-position: -274px -213px;
}
.header .content{
	position: relative;
}
.lang-box{
	position: absolute;
	top: 0;
	right: 0;
  z-index: 10;
  width: 260px;
}
.choosed{
  height: 78px;
  padding-top: 22px;
  cursor: pointer;
  cursor: hand;
}
.choosed .img{
  float: left;
  width: 64px;
  height: 64px;
  margin-left: 36px;
  margin-right: 24px;
  border-radius: 50%;
  background-position: -274px -247px;
}
.choosed span{
  color: #fff394;
  font-size: 24px;
  vertical-align: -25px;
}
.lang-list{
  position: absolute;
  left: 0;
  top: 101px;
  z-index: 11;
  width: 260px;
}
.lang-list li{
  height: 68px;
  background: rgba(0, 0, 0, .7);
  border-bottom: 1px solid #363535;
  line-height: 68px;
  font-size: 24px;
  text-indent: 46px;
}
.lang-list li:last-child{
  border-bottom: none;
}
.lang-list li a{
  display: block;
  height: 68px;
  color: #fff394;
}
.lang-list .active a,
.lang-list li a:hover{
  color: #fff;
}

/* section */
.section{
  position: relative;
  height: 837px;
  background-repeat: no-repeat;
  background-position: center 0;
  overflow: hidden;
}
.section1{
  position: relative;
	margin-top: 100px;
  background-image: url(../images/bg_01.jpg);
  overflow: hidden;
}
.section1 video{
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  -webkit-transform: translate(-50%,-50%);
  -moz-transform: translate(-50%,-50%);
  -o-transform: translate(-50%,-50%);
  -ms-transform: translate(-50%,-50%);
  transform: translate(-50%,-50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  overflow: hidden;
  opacity: 0;
}
.ready video{
  opacity: 1;
}
.section1 video source{
  height: 100%;
}
.download-list{
  position: relative;
  z-index: 3;
  padding-top: 658px;
  text-align: center;
}
.download-list li{
  display: inline-block;
  width: 269px;
  height: 86px;
  margin-left: 30px;
  margin-right: 30px;
}
.download-list li:nth-child(2){
  background-position: 0 -84px;
}
.download-list li:nth-child(1){
  background-position: 0 -173px;
}
.download-list li a{
  display: block;
  height: 86px;
}

/* about */
.focus-tit{
  height: 46px;
  margin-bottom: 36px;
}
.focus-tit.t2{
  width: 547px;
  margin-top: 89px;
  margin-bottom: 120px;
  background-position: 0 -586px;
}
.section2{
  background-image: url(../images/bg_02.jpg);
}
.about-txt{
  width: 850px;
	font-size: 19px;
  line-height: 40px;
  text-transform: uppercase;
}
.about-txt span{
  font-size: 25px;
}

/* videos */
.focus-tit.t3{
  background-position: 0 -360px;
}
.section3 .content{
  padding-top: 73px;
}
.videos-list{
  overflow: hidden;
}
.videos-list .first,
.videos-list ul{
  float: left;
}
.videos-list li{
  position: relative;
  width: 360px;
  height: 202px;
  margin-bottom: 15px;
  background-color: #313131;
  border: 1px solid transparent;
}
.videos-list li::after{
  position: absolute;
  left: 150px;
  top: 70px;
  z-index: 2;
  width: 61px;
  height: 61px;
  transform: scale(.8);
  background: url(../images/btn_next.png);
  content: '';
}
.videos-list li img{
  width: 100%;
  height: 100%;
}
.videos-list .first{
  width: 1143px;
  height: 643px;
  margin-right: 14px;
  border: 0;
}
.videos-list .active{
  border: 1px solid #db9d22;
}

/* social */
.section4{
  min-height: 1130px;
  overflow: hidden;
}
.focus-tit.t4{
  width: 373px;
  margin: 73px auto 45px;
  background-position: 0 -418px;
}
.section4 .content2{
  min-width: 1200px;
  text-align: center;
}
.col-box{
  display: inline-block;
  height: 890px;
  vertical-align: top;
}
.fb-content{
  width: 500px;
  margin-right: calc(50 / 1920 * 100vw);
}
.dis-content{
  width: 600px;
  margin-left: calc(50 / 1920 * 100vw);
}
.social-tit{
  height: 44px;
}
.social-tit.s1{
  width: 227px;
  margin-bottom: 46px;
  background-position: 0 -478px;
}
.social-tit.s2{
  width: 199px;
  margin-bottom: 44px;
  background-position: -250px -478px;
}
.social-tit.s3{
  width: 175px;
  margin-bottom: 44px;
  background-position: 0 -535px;
}
.section4 .img{
  margin-bottom: 38px;
}


/*Footer*/
.footer{padding-top: 50px; padding-bottom: 50px; background-color:#313131;text-align: center;}
.footer a{
  color: #fff394;
  font-size: 24px;
}
.i-separate{
  display: inline-block;
  width: 2px;
  height: 16px;
  margin-left: 28px;
  margin-right: 28px;
  background-color: #fff394;
  vertical-align: -2px;
}