/* COMMON DEMO STYLE */
.page-view {
  height: 100vh;
  width: 100vw;
  position: absolute;
  top: 0;
  left: 0;
}

.page-view .project {
  position: absolute;
  width: 100%;
  height: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.page-view .project .text h1 {
  font-size: 100px;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  margin: 0;
  display: table;
  text-align: center;
}

.page-view .project .text p {
  font-size: 16px;
  position: absolute;
  bottom: 40px;
  right: 60px;
  margin: 0;
}



@-webkit-keyframes mask-play {
  from {
    -webkit-mask-position: 0% 0;
            mask-position: 0% 0;
  }
  to {
    -webkit-mask-position: 100% 0;
            mask-position: 100% 0;
  }
}

@keyframes mask-play {
  from {
    -webkit-mask-position: 0% 0;
            mask-position: 0% 0;
  }
  to {
    -webkit-mask-position: 100% 0;
            mask-position: 100% 0;
  }
}


.abo_left{
	position:absolute;
	top:50%;
	left:0;
	color:#fff;
	letter-spacing:2px;
	font-size:14px;
	z-index:9999;
	cursor:pointer;
	padding:10px;
	padding-left:0;
	font-family: "PingHei", '思源黑体 CN', "微软雅黑", STHeiti, "Hiragino Sans GB", "Droid Sans Fallback", Arial, Helvetica, sans-serif;
	}
.abo_left b{
	display:inline-block;
	width:40px;
	margin-right:10px;
	border-top:1px solid #fff;
	position:relative;
	top:-6px;
	}

.abo_left span{
	width:100%;
	height:100%;
	position:absolute; top:0; left:0;
	z-index:-1;
	background:#006428;
	opacity:0.8;
    -moz-opacity:0.8; 
    -khtml-opacity:0.8;
    -webkit-opacity:0.8;
    filter:alpha(opacity=80);
	}
	
.abo_right{
	position:absolute;
	top:50%;
	right:0;
	color:#fff;
	font-family: "PingHei", '思源黑体 CN', "微软雅黑", STHeiti, "Hiragino Sans GB", "Droid Sans Fallback", Arial, Helvetica, sans-serif;
	letter-spacing:2px;
	font-size:14px;
	z-index:9999;
	cursor:pointer;
	padding:10px;
	padding-right:0;
	}
.abo_right b{
	display:inline-block;
	width:40px;
	margin-left:10px;
	border-top:1px solid #fff;;
	position:relative;
	top:-6px;
	}

.abo_right span{
	width:100%;
	height:100%;
	position:absolute; top:0; left:0;
	z-index:-1;
	background:#006428;
	opacity:0.8;
    -moz-opacity:0.8; 
    -khtml-opacity:0.8;
    -webkit-opacity:0.8;
    filter:alpha(opacity=80);
	}	

/* SPECIFIC DEMO STYLE */



/* DEMO 3 */
.demo-3 {
  background: url(../img/urban-sprite.png) no-repeat -9999px -9999px;
}

.demo-3 .page-view {
  background: url(../img/urban-sprite-2.png) no-repeat -9999px -9999px;
}

.demo-3 .page-view h1 {
  font-size: 180px !important;
  letter-spacing: 4px;
  text-shadow: 14px 0px rgba(1, 0, 0, 0.5);
}


.demo-3 .page-view .project:nth-child(odd).hide {
  -webkit-mask: url(../img/urban-sprite.png);
          mask: url(../img/urban-sprite.png);
  -webkit-mask-size: 3000% 100%;
          mask-size: 3000% 100%;
  -webkit-animation: mask-play 1s steps(29) forwards;
          animation: mask-play 1s steps(29) forwards;
}

.demo-3 .page-view .project:nth-child(even).hide {
  -webkit-mask: url(../img/urban-sprite-2.png);
          mask: url(../img/urban-sprite-2.png);
  -webkit-mask-size: 7400% 100%;
          mask-size: 7400% 100%;
  -webkit-animation: mask-play 1s steps(73) forwards;
          animation: mask-play 1s steps(73) forwards;
}

/* Fallback */
.no-cssmask .page-view .project.hide {
  opacity: 0;
  -webkit-transition: opacity 1.4s ease;
          transition: opacity 1.4s ease;
  -webkit-mask: none !important;
          mask: none !important;
}



@media (max-width: 768px) {

.abo_left{
	padding:5px;
	padding-left:0;
	font-size:12px;
	}
.abo_left b{
	width:20px;
	}

.abo_right{
	padding:5px;
	padding-right:0;
	font-size:12px;
	}
.abo_right b{
	width:20px;
	}		
	
}