header{
  background:url(../images/bannerBj.jpg) repeat-y center;
}
.banner{
  width: 100%;
  height: 702px;
  background: url(../images/bannerBj.jpg) repeat-y center;
  overflow: hidden;
}
.banner .case-left{
  width: 546px;
  color: #fff;
  float: left;
}
.banner .case-left h3{
  padding-top: 256px;
  padding-bottom: 24px;
  font-size: 32px;
}
.banner .case-left p{
  font-size: 16px;
  line-height: 26px;
  padding-bottom: 30px;
}
.banner .case-left .btn{
  width: 150px;
  height: 40px;
  text-align: center;
  line-height: 40px;
  background: #fff;
  border-radius: 4px;
  font-size: 16px;
  color: #04cb94;
}
.banner .case-left .btn a{
  color: #04cb94;
}
.banner .case-right{
  position: relative;
  margin-top: 131px;
  width: 621px;
  height: 571px;
  float: right;
  background: url(../images/case/banner.png) no-repeat center center;
  background-size: 365px 497px;
}
.banner .case-right img{
  position: absolute;
}
.banner .case-right img.img1{
  left: 36px;
  top: 340px;
  -webkit-animation: banner_1 3s 0s forwards ease-in-out infinite;
  animation: banner_1 3s 0s forwards ease-in-out infinite
}
.banner .case-right img.img2{
  left: 210px;
  top: 100px;
  -webkit-animation: banner_1 3s 0.5s forwards ease-in-out infinite;
  animation: banner_1 3s 0.5s forwards ease-in-out infinite
}
.banner .case-right img.img3{
  left: 534px;
  top: 60px;
  -webkit-animation: banner_1 3s 1s forwards ease-in-out infinite;
  animation: banner_1 3s 1s forwards ease-in-out infinite
}
.banner .case-right img.img4{
  left: 419px;
  top: 225px;
  -webkit-animation: banner_1 3s 1.5s forwards ease-in-out infinite;
  animation: banner_1 3s 1.5s forwards ease-in-out infinite
}
.banner .case-right img.img5{
  left: 580px;
  top: 190px;
  -webkit-animation: banner_1 3s 2s forwards ease-in-out infinite;
  animation: banner_1 3s 2s forwards ease-in-out infinite
}
.banner .case-right img.img6{
  left: 524px;
  top: 384px;
  -webkit-animation: banner_1 3s 2.5s forwards ease-in-out infinite;
  animation: banner_1 3s 2.5s forwards ease-in-out infinite
}
@-webkit-keyframes banner_1 {

  to,
  from {
    opacity: 1
  }

  50% {
    opacity: 1;
    -webkit-transform: translate3d(0, 20px, 0);
    transform: translate3d(0, 20px, 0)
  }
}

.caseBox .caseBox-nav{
  width: 1150px;
  margin: 0 auto 103px;
  display: flex;
  justify-content: center;
}
.caseBox-nav-box{
  position: relative;
}
.caseBox.fixed{
  padding-top: 73px;
}
.caseBox.fixed .caseBox-nav-box{
  position: fixed;
  left: 0;
  top: 73px;
  width: 100%;
  background: #fff;
  z-index: 111;
  box-shadow: 0 1px 10px rgba(0,0,0,0.1);
}
.caseBox.fixed.top50{
  padding-top: 50px;
}
.caseBox.fixed.top50 .caseBox-nav-box{
  top: 50px;
}
.caseBox.fixed .caseBox-nav{
  margin-bottom: 0;
}
.caseBox .caseBox-nav li{
  width: 100%;
  height: 82px;
  line-height: 82px;
  border-bottom: 4px solid #fff;
  font-size: 16px;
  text-align: center;
  color: #727272;
  cursor: pointer;
  font-weight: normal;
}
.caseBox .caseBox-nav li.on{
  color: #5bc798;
  border-color: #5bc798;
}
.caseBox .caseBox-main{
  width: 100%;
  padding-bottom: 45px;
  display: none;
}
.caseBox .caseBox-main.on{
  display: block;
}
.caseBox .caseBox-main .caseBox-item{
  float: left;
  margin-bottom: 35px;
  overflow: hidden;
  width: 294px;
  height: 377px;
  border-radius: 15px;
  border: 1px solid #e5e5e5;
  box-shadow:0px 0px 1px 0px #e5e5e5;
  text-align: center;
  margin-right: 22px;
}
.caseBox .caseBox-main .caseBox-item:nth-of-type(4n){
  margin-right: 0;
}
.caseBox .caseBox-main .caseBox-item .caseBox-item-box{
  cursor: pointer;
  margin: 40px auto;
  width: 175px;
  height: 175px;
  position: relative;
  transform: rotateY(0deg);
  -webkit-transform: rotateY(0deg);
  transition: all 0.7s;
  -webkit-transition: all 0.7s;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
}
.caseBox .caseBox-main .caseBox-item .caseBox-item-box .positive,.caseBox .caseBox-main .caseBox-item .caseBox-item-box .reverse{
  width: 100%;
  height: 100%;
  position: absolute;
  background-color:#fff;
  left: 0;
  top: 0;
  z-index: 1;
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
  -moz-backface-visibility:hidden;
}
.caseBox .caseBox-main .caseBox-item .caseBox-item-box .reverse{
  transform: translateZ(0px);
  -webkit-transform: translateZ(0px);
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}
.caseBox .caseBox-main .caseBox-item .caseBox-item-box .positive{
  transform: translateZ(1px);
  -webkit-transform: translateZ(1px);
}

.caseBox .caseBox-main .caseBox-item .caseBox-item-title{
  display: inline-block;
  font-size: 20px;
  color: #2a2a2a;
  line-height: 54px;
  border-bottom: 5px solid #5bc798;
}

.caseBox .caseBox-main .caseBox-item:hover{
  box-shadow: 1px 1px 3px 0px #e5e5e5;
}
/*.caseBox .caseBox-main .caseBox-item:hover .caseBox-item-box{*/
/*  transform: rotateY(180deg);*/
/*  -webkit-transform: rotateY(180deg);*/
/*}*/

@media screen and (max-width:768px) {
  .caseBox.fixed .caseBox-nav-box{
    top: 50px;
  }
  .banner .case-left{
    text-align: center;
    width: 100%;
  }
  .banner .case-left h3{
    padding-top: 100px;
    font-size: 2rem;
  }
  .banner .case-left p{
    font-size: 1.3rem;
  }
  .banner .case-left .btn a{
    font-size: 1.6rem;
  }
  .banner .case-right{
    width: 100%;
    margin-top: 5rem;
    height: 30rem;
    background-size: contain;
  }
  .banner .case-right img.img1{
    left: 0.5rem;
    top: 15.5rem;
    width: 6rem;
  }
  .banner .case-right img.img2{
    left: 7.5rem;
    top: 0.5rem;
  }
  .banner .case-right img.img3{
    left: 28.5rem;
    top: -1.5rem;
    width: 4rem;
  }
  .banner .case-right img.img4{
    left: 22.5rem;
    top: 11rem;
    width: 8rem;
  }
  .banner .case-right img.img5{
    left: 31.5rem;
    top: 5.5rem;
  }
  .banner .case-right img.img6{
    left: 28.5rem;
    top: 22.5rem;
    width: 5rem;
  }
  .caseBox-nav-title{
    height: 50px;
    line-height: 50px;
    font-size: 1.6rem;
    color: #03A276;
  }
  .caseBox-nav-title:after{
    content: "\f0c9";
    font: normal normal normal 14px/1 FontAwesome;
    float: right;
    height: 50px;
    width: 50px;
    text-align: center;
    line-height: 50px;
    color: #333;
    margin-right: -15px;
    font-size: 1.6rem;
    cursor: pointer;
  }
  .caseBox .caseBox-nav{
    width: 50%;
    position: absolute;
    right: 0;
    top: 50px;
    background: #fff;
    z-index: 112;
    margin: 0;
    display: none;
  }
  .caseBox .caseBox-nav li{
    width: 100%;
    font-size: 1.6rem;
    line-height: 50px;
    height: 50px;
    border-bottom: 1px solid #eee;
  }
  .caseBox .caseBox-main .caseBox-item{
    width: 100%;
  }
}
@media (max-width: 1300px) and (min-width: 770px){
	.banner .case-left {
		position: relative;
		left: 70px;
	}

	.banner .case-right {
		right: 70px;
	}
	.caseBox .container{
		width: 100%;
		padding: 0 48px;
	}
	.caseBox .caseBox-main .caseBox-item{
		width: 268px;
	}

}