ul,li{
	list-style-type: none;
	padding: 0;
}
a:link,a:visited,a:hover,a:active{
	text-decoration: none;
}
html,body{
	height: 100%;
}
body{
	text-align: center;
	color: #FFFFFF;
	background-color: #282828;
}
/*主界面*/
.cover{
	display: table;
	width: 100%;
	min-height: 100%;
	box-shadow: inset 0 0 100px rgba(0,0,0,0.5);
	-webkit-box-shadow: inset 0 0 100px rgba(0,0,0,0.5);
}
.cover-inner{
	display: table-cell;
	vertical-align: middle;
}
.cover-container{
	margin-left: auto;
	margin-right: auto;
}
.cover-header{
	margin-top: 10px;
	opacity: 0.4;
	/* border-bottom: 1px #BCBCBC solid; */
}
.cover-header>h3{
	cursor: pointer;
	padding: 10px;
}
.cover-content{
	padding: 10px 10px;
}
.cover-footer{
	opacity: 0.8;
}
.cover-footer p{
	font-size: 8px;
	color: #ABABAB;
}
.cover-footer a{
	font-size: 10px;
	color: #FFFFFF;
}
.cover-footer a:hover{
	color: #E1E1E1;
	text-decoration: underline;
}
.cover-nav{
	margin-top: 10px;
}
.cover-nav>li{
	display: inline-block;
}
.cover-nav>li+li{
	margin-left: 10px;
}
.cover-nav>li>a{
	color: #FFFFFF;
	font-size: 16px;
}
.cover-nav>li>a:hover{
	color: #BCBCBC;
}
@media screen and (min-width: 860px) and (min-height: 860px) {
	.cover-header{
		position: fixed;
		top: 0;
	}
	.cover-footer{
		position: fixed;
		bottom: 0;
	}
	.cover-header,.cover-footer,.cover-container{
		width: 100%;
	}
	.cover-icon{
		float: left;
	}
	.cover-nav{
		float: right;
	}
}
@media (min-width: 1000px) {
	.cover-header,.cover-footer,.cover-container{
		width: 960px;
	}
}
/*反转效果*/
.content-cols{
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-ms-flex-wrap: wrap;
	  flex-wrap: wrap;
	-webkit-box-pack: center;
	  -ms-flex-pack: center;
		  justify-content: center;
}
.content-col{
	width: 30%;
	margin: 12px;
	cursor: pointer;
}
.col-container{
	-webkit-transform-style: preserve-3d;
		  transform-style: preserve-3d;
	-webkit-perspective: 1000px;
			perspective: 1000px;
}
.col-container-front, .col-container-back{
	background-size: cover;
	background-position: center;
	-webkit-transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	-o-transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1), -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	-webkit-backface-visibility: hidden;
			backface-visibility: hidden;
	text-align: center;
	min-height: 240px;
	height: auto;
	border-radius: 20px;
	color: lightcyan;
	font-size: 24px;
	animation: breathe 2000ms ease-out infinite alternate;
	border: 2px #FFFFFF solid;
}
.col-container-front:after{
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
	width: 100%;
	height: 100%;
	content: '';
	display: block;
	opacity: 0.3;
	background-color: #000000;
	-webkit-backface-visibility: hidden;
			backface-visibility: hidden;
	border-radius: 20px;
}
@keyframes breathe {
	0% {
		opacity: 1;
		box-shadow: 0 0 20px rgba(255, 255, 255, 0.6), inset 0 0 10px rgba(255, 255, 255, 0.4), 0 0px 0 lightcyan;
	}
	100% {
		opacity: 0.8;
		box-shadow: 0 0 5px rgba(255, 255, 255, 0.2), inset 0 0 5px rgba(255, 255, 255, 0.2), 0 0px 0 lightcyan;
	}
}
.col-container:hover .col-container-front,
.col-container:hover .col-container-back{
	-webkit-transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	-o-transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1), -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
	animation: none;
}
.col-container-back{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	background: #CEDCE7;
	text-shadow:2px 2px 10px black;
	background: -webkit-linear-gradient(45deg,  #CEDCE7 0%,#596A72 100%);
	background: -o-linear-gradient(45deg,  #CEDCE7 0%,#596A72 100%);
	background: linear-gradient(45deg,  #CEDCE7 0%,#596A72 100%);
}
.col-container-inner{
	-webkit-transform: translateY(-50%) translateZ(60px) scale(0.94);
			transform: translateY(-50%) translateZ(60px) scale(0.94);
	top: 50%;
	position: absolute;
	left: 0;
	width: 100%;
	padding: 16px;
	-webkit-box-sizing: border-box;
			box-sizing: border-box;
	outline: 1px solid transparent;
	-webkit-perspective: inherit;
			perspective: inherit;
	z-index: 2;
}
.col-container .col-container-back{
	-webkit-transform: rotateY(180deg);
			transform: rotateY(180deg);
	-webkit-transform-style: preserve-3d;
			transform-style: preserve-3d;
}
.col-container .col-container-front{
	-webkit-transform: rotateY(0deg);
			transform: rotateY(0deg);
	-webkit-transform-style: preserve-3d;
			transform-style: preserve-3d;
}
.col-container:hover .col-container-back{
  -webkit-transform: rotateY(0deg);
		  transform: rotateY(0deg);
  -webkit-transform-style: preserve-3d;
		  transform-style: preserve-3d;
}
.col-container:hover .col-container-front{
  -webkit-transform: rotateY(-180deg);
		  transform: rotateY(-180deg);
  -webkit-transform-style: preserve-3d;
		  transform-style: preserve-3d;
}
.col-container-front .col-container-inner p{
  font-size: 32px;
  margin-bottom: 20px;
  position: relative;
  text-shadow:2px 2px 10px black;
}
.col-container-front .col-container-inner p:after{
  content: '';
  width: 100px;
  height: 2px;
  position: absolute;
  background: #C6D4DF;
  display: block;
  left: 0;
  right: 0;
  margin: 0 auto;
  bottom: -12px;
}
.col-container-front .col-container-inner span{
  color: rgba(255,255,255,0.6);
  font-family: 'Montserrat';
  font-weight: 300;
  color: lightcyan;
  text-shadow:2px 2px 10px white;
}
@media screen and (max-width: 1024px){
  .content-col{
	width: calc(33.333333% - 32px);
  }
}
@media screen and (max-width: 768px){
  .content-col{
	width: calc(50% - 32px);
  }
}
@media screen and (max-width: 512px){
  .content-col{
	width: 100%;
	margin: 0 0 32px 0;
  }
}
/*标题区域显示*/
.cover-title {
	padding-bottom: 20px;
	cursor: pointer;
}
.title-description>h1{
	margin-bottom: 20px;
}
.title-description>p{
	padding: 0px 80px;
}