/* CSS Document */

body {
margin:0px; padding:0px;
/* 加载背景图 */
background-image: url(../img/new/startpage.jpg);

/* 背景图垂直、水平均居中 */
background-position: center center;

/* 背景图不平铺 */
background-repeat: no-repeat;

/* 当内容高度大于图片高度时，背景图像的位置相对于viewport固定 */
background-attachment: fixed;

/* 让背景图基于容器大小伸缩 */
background-size: cover;

/* 设置背景颜色，背景图加载过程中会显示背景色 */
/*background-color: #464646;*/
		}


#logo { width:100%; height:500px; float:left; text-align:center; margin-top:100px;}
#logo img{ width:400px; height:400px; margin-top:50px;}

#click { width:100%; height:200px;text-align:center;}
#click img{ width:140px; height:140px; transition: all .1s ease;}
.click1 img{transform: rotate(360deg) scale(1.1);cursor:pointer}
.click2 img{}


#logo {
  position: relative;
  overflow: hidden;
  -webkit-animation: sky_background 50s ease-out infinite;
  -moz-animation: sky_background 50s ease-out infinite;
  -o-animation: sky_background 50s ease-out infinite;
  animation: sky_background 50s ease-out infinite;
  -webkit-transform: translate3d(0, 0, 0);
  -ms-transform: translate3d(0, 0, 0);
  -o-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

.clouds_one {
  background: url("../img/cloud_one.png");
  position: absolute;
  left: 0;
  top: 0px;
  -webkit-animation: cloud_one 50s linear infinite;
  -moz-animation: cloud_one 50s linear infinite;
  -o-animation: cloud_one 50s linear infinite;
  animation: cloud_one 50s linear infinite;
  -webkit-transform: translate3d(0, 0, 0);
  -ms-transform: translate3d(0, 0, 0);
  -o-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

.clouds_two {
  background: url("../img/cloud_two.png");
  position: absolute;
  left: 0;
  top: 0px;
  height: 100%;
  width: 300%;
  -webkit-animation: cloud_two 75s linear infinite;
  -moz-animation: cloud_two 75s linear infinite;
  -o-animation: cloud_two 75s linear infinite;
  animation: cloud_two 75s linear infinite;
  -webkit-transform: translate3d(0, 0, 0);
  -ms-transform: translate3d(0, 0, 0);
  -o-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

.clouds_three {
  background: url("../img/cloud_three.png");
  position: absolute;
  left: 0;
  top: 0px;
  height: 100%;
  width: 300%;
  -webkit-animation: cloud_three 100s linear infinite;
  -moz-animation: cloud_three 100s linear infinite;
  -o-animation: cloud_three 100s linear infinite;
  animation: cloud_three 100s linear infinite;
  -webkit-transform: translate3d(0, 0, 0);
  -ms-transform: translate3d(0, 0, 0);
  -o-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}




@-webkit-keyframes cloud_one {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@-moz-keyframes cloud_one {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@keyframes cloud_one {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}

@-webkit-keyframes cloud_two {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@-moz-keyframes cloud_two {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@keyframes cloud_two {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}

@-webkit-keyframes cloud_three {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@-moz-keyframes cloud_three {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@keyframes cloud_three {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}