html,body,h1,h2,h3,h4{
  margin: 0;
  padding: 0;
}
html,body{
  width: 100%;
  height: 100%;
  color: #fff;
  /* overflow-x: hidden; */
}
.fl{
  float: left;
}
.fr{
  float: right;
}
ul{
  list-style: none;
}
#jzf-header{
  width: 100%;
  height: 80px;
  background-color: #001444;
}
.logo{
  width: 264px;
  height: 60px;
  margin-top: 10px;
  margin-left: 60px;
  background: url('../images/logo.png') no-repeat left top;
  background-size: 100% 100%;
}
.event:hover{
  cursor: pointer;
}
.nav .nav-items{
  width: 100px;
  height: 80px;
  line-height: 80px;
  color: #aaa;
  text-align: center;
  transition: 800ms;
  -webkit-transition: 800ms;
  -moz-transition: 800ms;
  -ms-transition: 800ms;
  -o-transition: 800ms;
}
.nav-items:hover{
  color: #fff;
}
.active{
  color: #fff;
  border-bottom: 2px solid #FFA433;
}
#jzf-content{
  width: 100%;
  height: calc(100% - 80px);
  overflow: hidden;
}
.cont-first{
  width: 100%;
  height: 100%;
  background: url('../images/banner.jpg') no-repeat left top;
  background-size: 100%;
  transition: left 1s;
  position: relative;
  left: 0;
  -webkit-transition: left 1s;
  -moz-transition: left 1s;
  -ms-transition: left 1s;
  -o-transition: left 1s;
}
.cont-first-mantel,.cont-second-mantel{
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
}
.cont-first-title{
  padding: 50px 100px;
  background: #2EACFF;
}
.cont-first-title h4{
  color: #fff;
  font-size: 28px;
}
.cont-first-title p{
  width: 35%;
  font-size: 18px;
}
.cont-first-mantel h3{
  font-size: 40px;
  position: absolute;
  left: 50%;
  top: 50%;
  color: #fff;
  font-weight: 500;
  transform: translate(-50%,-50%);
  -webkit-transform: translate(-50%,-50%);
  -moz-transform: translate(-50%,-50%);
  -ms-transform: translate(-50%,-50%);
  -o-transform: translate(-50%,-50%);
}
.app_link{
  top: 5%;
  position: absolute;
  right: 10%;
}
.app_link a{
  border: none;
}
.app_link img{
  width: 148px;
  display: block;
  margin-top: 20px;
}
.cont-second{
  width: 100%;
  height: 100%;
  background: url('../images/banner.jpg') no-repeat left top;
  background-size: 100%;
  position: relative;
  top: -100%;
  left: 100%;
  transition: left 1s;
  -webkit-transition: left 1s;
  -moz-transition: left 1s;
  -ms-transition: left 1s;
  -o-transition: left 1s;
}
.cont-second-introduce{
  width: 100%;
  display: flex;
  align-items: center;
  height: 100%;
  /* height: calc(50% - 100px); */
}
.cont-second-introduce h2{
  font-size: 32px;
  font-weight: 500;
  margin-top: 100px;
  margin-left: 200px;
}
.cont-second-introduce h2 span{
  padding-bottom: 5px;
  border-bottom: 2px solid #FFA433;
}
.cont-second-introduce p{
  width: 800px;
  font-size: 20px;
  margin-left: 200px;
}
.cont-second-work{
  width: 100%;
  height: 50%;
  background-color: #101623;
}
.cont-second-list{
  width: 100%;
  margin: auto;
  padding: 100px 0;
  display: flex;
  background: #2EACFF;
  justify-content: space-evenly;
}
.cont-second-items{
  width: 360px;
  height: 230px;
  overflow: hidden;
  position: relative;
}
.cont-second-one,.cont-second-two,.cont-second-three{
  width: 360px;
  height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  font-size: 25px;
  color: #000;
}
.cont-second-one img,.cont-second-two img,.cont-second-three img{
  width: 100px;
  margin-bottom: 10px;
}
.back{
  width: 360px;
  height: 230px;
  position: absolute;
  top: 100%;
  background-color: #F59A23;
  box-sizing: border-box;
  padding: 40px 40px;
  color: #151E30;
  transition: 600ms;
  -webkit-transition: 600ms;
  -moz-transition: 600ms;
  -ms-transition: 600ms;
  -o-transition: 600ms;
}
.back h2{
  font-size: 25px;
  text-align: center;
  margin-bottom: 10px;
}
.back h3{
  width: 80%;
  margin: 0 auto;
  border: 1px solid #151E30;
}
.keep{
  position: fixed;
  z-index: 10;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
}
.keep a{
  color: #999;
  font-size: 14px;
  text-decoration: none;
}
.cont-third{
  width: 100%;
  height: 100%;
  background: url('../images/banner.jpg') no-repeat left top;
  background-size: 100%;
  position: relative;
  top: -200%;
  left: 200%;
  transition: left 1s;
  -webkit-transition: left 1s;
  -moz-transition: left 1s;
  -ms-transition: left 1s;
  -o-transition: left 1s;
}
.gameList{
  width: 100%;
  display: flex;
  padding: 50px 0;
  justify-content: space-around;
}
.gameList img{
  width: 28%;
  border: 4px solid #fff;
}