html,
body {
  margin: 0;
  padding: 0;
}
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font: normal 100% "Microsoft Himalaya",Helvetica, Arial, sans-serif;
}
a{
  color: #666;
}
a, a:hover, a:active{
  text-decoration: none;
}
ul, li{
  list-style: none;
}
.pc-lang{
  position: fixed;
  right: 10px;
  top: 10px;
  z-index: 999;
  font-size: 0;
  display: none;
}
.pc-lang a{
  color: #fff;
  font-size: 12px;
  display: inline-block;
  border: 1px solid #ddd;
  padding: 2px 0;
  border-radius: 3px;
  width: 24px;
  text-align: center;
}

.index-side-menu{
  position: fixed;
  right: 30px;
  top: 50%;
  margin-top: -50px;
  padding: 0;
  list-style-type: none;
  z-index: 100;
  display: none;
}
.index-side-menu .music{
  text-align: center;
  margin-bottom: 20px;
}
.music-icon{
  background: url("../images/music_on.png");
  background-size: 100%;
  display: inline-block;
  width: 26px;
  height: 26px;
}
.music-icon-on{
  animation: rotate 5s linear infinite;
  -moz-animation:rotate 5s linear infinite ;
  -webkit-animation:rotate 5s linear infinite;
}
.index-side-menu li{
  padding: 10px 0;
}
.index-side-menu .menu a{
  color: #999;
  font-size: 12px;
}
.index-side-menu .menu a:before{
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: transparent;
  border: 1px solid #fff;
  border-radius: 100%;
  vertical-align: middle;
  margin-right: 10px;
}
.index-side-menu .menu .active a{
  color: #fff;
}
.index-side-menu .menu .active a:before{
  background: #00A0E8;
  border-color: #00A0E8;
}

.mobileNav{
  position: fixed;
  top: 15px;
  right: 10px;
  z-index: 999;
}
.mobileNav .mobileNavItem{
  display: flex;
  align-items: center;
  justify-items: center;
}
.mobileNavItem a:not(:first-child) {
  margin-left: 10px;
}
.mobileNav .music{
  text-align: right;
  margin-top: 10px;
}
.mobileNav .lang{
  color: #fff;
  border: 1px solid #fff;
  border-radius: 5px;
  width: 26px;
  text-align: center;
  font-size: 12px;
  height: 24px;
  line-height: 24px;
  display: inline-block;
}
.m_span{
  display: inline-block;
  margin-left: 20px;
}
.m_span span{
  width: 25px;
  height: 3px;
  border-radius: 6px;
  display: block;
  background: #fff;
  margin: 5px 0;
}

.nav-wrap{
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 200px;
  background-color: rgba(0,0,0,0.5);
  z-index: 500;
  display: none;
}
.nav-wrap ul{
  margin-top: 100px;
}
.nav-wrap ul li{
  padding-left: 10px;
}
.nav-wrap ul a{
  line-height: 60px;
  color: #fff;
  padding-left: 50px;
  border-bottom: 1px solid #4e4e4e;
  display: block;
}



.index-wrap .section{
  overflow: hidden;
}
.index-wrap .logo{
  position: absolute;
  z-index: 99;
  top: -120px;
  left: 0;
  right: 0;
  opacity: 0;
  transition: all 1s;
  display: block;
  margin: 0 auto;
}
.index-wrap .active .logo{
  top: 30px;
  opacity: 1;
  transition-delay: 0.7s;
}
.index-wrap .desc{
  position: absolute;
  left: 5%;
  right: 5%;
  z-index: 99;
  color: #fff;
  opacity: 0;
  -webkit-transform: scale(0.5, 0.5);
  transform: scale(0.5, 0.5);
  transition: all 1s;
}
.index-wrap .section1 .desc{
  text-align: center;
  top: 60%;
}
.index-wrap .active .desc{
  opacity: 1;
  -webkit-transform: scale(1, 1);
  transform: scale(1, 1);
  transition-delay: 0.7s;
}
.index-wrap .desc .t1{
  font-size: 30px;
}
.index-wrap .desc .t2{
  font-size: 14px;
  line-height: 1.8;
  margin-top: 20px;
}
.index-wrap .desc .ff-arial{
  font-family: arial;
}
.index-wrap video{
  background-color: transparent;
  min-width: 100%;
  min-height: 100%;
  display: block;
  position: absolute;
  z-index: 1;
  visibility: visible;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.index-wrap .section2 .product-bg{
  background: url("../images/about_bg.jpg") no-repeat 0 0;
  background-size: cover;
  position: absolute;
  width: 100%;
  height: 100%;
  transition: all 3s;
  -webkit-transform: scale(1.2, 1.2);
  -o-transform: scale(1.2, 1.2);
  -moz-transform: scale(1.2, 1.2);
  transform: scale(1.2, 1.2);
}
.index-wrap .about{
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  transition: all 4s;
  -webkit-transform: scale(1.05, 1.05);
  -o-transform: scale(1.05, 1.05);
  -moz-transform: scale(1.05, 1.05);
  transform: scale(1.05, 1.05);
}
.index-wrap .active .about{
  -webkit-transform: scale(1, 1);
  -o-transform: scale(1, 1);
  -moz-transform: scale(1, 1);
  transform: scale(1, 1);
}
.index-wrap .cloud{
  background: url("../images/cloud.png") repeat-x 5% 0%;
  background-size: 75% auto;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  z-index: 99;
}
.index-wrap .active .cloud{
  animation: cloud 100s linear infinite;
  -moz-animation: cloud 100s linear infinite;
  -webkit-animation: cloud 100s linear infinite;
}
.index-wrap .section2 .desc{
  z-index: 99;
  top: 58%;
  opacity: 0;
  transition: all 1s;
  text-align: center;
}
.index-wrap .active.section2 .desc{
  top: 38%;
  opacity: 1;
  transition-delay: 0.7s;
}
.index-wrap .section2 .eagle{
  width: 160px;
  height: auto;
  position: absolute;
  top: 25%;
  left: 60%;
  z-index: 100;
}
.index-wrap .section2.active .eagle{
  animation: eagle 1.5s linear;
  -moz-animation:eagle 1.5s linear;
  -webkit-animation:eagle 1.5s linear;
}
.index-wrap .section3 .product-bg{
  background: url("../images/xfootball.jpg") no-repeat center bottom;
  background-size: cover;
  position: absolute;
  width: 100%;
  height: 100%;
  transition: all 3s;
  -webkit-transform: scale(1.2, 1.2);
  -o-transform: scale(1.2, 1.2);
  -moz-transform: scale(1.2, 1.2);
  transform: scale(1.2, 1.2);
}
.index-wrap .active .product-bg{
  -webkit-transform: scale(1,1);
  -o-transform: scale(1,1);
  -moz-transform: scale(1,1);
  transform: scale(1,1);
}
.index-wrap .section3 .desc{
  width: 360px;
  left: -100%;
  bottom: 35%;
  opacity: 0;
  transition: all 1s;
}
.index-wrap .section3.active .desc{
  left: 5%;
  right: 5%;
  opacity: 1;
  transition-delay: 0.7s;
}
.index-wrap .section3 .xf-logo{
  margin-bottom: 40px;
}
.index-wrap .section3 .t3{
  color: #EC6941;
  font-size: 40px;
}
.index-wrap .section3 .download{
  margin-top: 30px;
}
.index-wrap .section3 .download a{
  display: inline-block;
  margin-right: 10px;
}
.index-wrap .section3 .desc .t1{
  padding-left: 3%;
  margin-bottom: 30px;
  font-weight: bold;
}
.index-wrap .section3 .products{
  display: flex;
}
.index-wrap .section3 .products li{
  flex: 50%;
  text-align: center;
  font-size: 12px;
}
.index-wrap .section3 .products img{
  height: 60px;
}

.index-wrap .section4 .fp-tableCell{
  display: flex;
  align-items: center;
  justify-items: center;
}
.index-wrap .section4 .product-bg{
  background: url("../images/social.jpg") no-repeat 0 bottom;
  background-size: cover;
  position: absolute;
  width: 100%;
  height: 100%;
  transition: all 3s;
  -webkit-transform: scale(1.2, 1.2);
  -o-transform: scale(1.2, 1.2);
  -moz-transform: scale(1.2, 1.2);
  transform: scale(1.2, 1.2);
}

.index-wrap .items{
  display: flex;
  margin-top: 20px;
}
.index-wrap .items .item{
  flex: 1;
}
.index-wrap .items .item:not(:first-child){
  margin-left: 10px;
}
.index-wrap .items .item img{
  width: 100%;
}
.index-wrap .items .item .title{
  padding: 10px 10px 0 10px;
}
.index-wrap .items .item .info{
  font-size: 12px;
  padding: 10px;
  text-align: left;
}
.index-wrap .section4 .desc{
  text-align: center;
}
.index-wrap .section4 .item{
  background: #234b6a;
}

/***云***/
@keyframes cloud{
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: -600% 0%;
  }
}
/***鹰***/
@keyframes eagle{
  0%{
    top: 55%;
    right: 30%;
    opacity: 0;
    transform: scale(0.1, 0.1);
  }
  100%{
    top: 25%;
    left: 60%;
    opacity: 1;
    transform: scale(1, 1);
  }
}
/***音乐***/
@keyframes rotate{
  0%{
    transform:rotate(0deg);
  }
  100%{
    transform:rotate(360deg);
  }
}

@media screen and (min-width:980px ) {

  .index-wrap .section4 .items{
      width: 1000px;
      margin-left: auto;
      margin-right: auto;
  }

  .index-wrap .section3.active .desc{
    left: 18%;
    right: 5%;
  }

  .index-wrap .section2 .eagle{
    right: 25%;
  }
  .mobileNav{
    display: none;
  }
  .index-side-menu{
    display: block;
  }
  .pc-lang{
    display: block;
  }
  .music-icon{
    width: 40px;
    height: 40px;
  }
  
}

@media screen and (max-width:480px ) {
  .index-wrap .section3 .desc{
    width: auto;
  }
}