body{
	margin:0;
	background:#f5f5f5;
}
h1,h2,h3,h4{
	margin:0;
	font-weight:normal;
}
strong{
	font-weight:normal;
}
ul{
	margin:0;
	padding:0;
	list-style:none;
}
em{
	font-style:normal;
}
a{
	text-decoration:none;
}
input{
	outline:0;
	border:none;
}
@font-face{
	src:url('/philosophycolor.woff');
	font-family:philosophycolor;
}

header{
	height:720px;
	margin:0 auto;
	position:relative;
	overflow:hidden;
}
nav{
	width:1280px;
	height:100px;
	margin:0 auto;
	position:relative;
	z-index:1;
	display:flex;
}
nav a{
	vertical-align:middle;
	margin:auto;
	color:#fff;
	font-size:20px;
	text-shadow:0 0 5px #000;
	padding-bottom:6px;
	transition:200ms;
}
nav a:hover{
	border-bottom:4px #fff solid;
}
nav .active{
	border-bottom:4px #fff solid;
}
nav img{
	height:100px;
}
nav a:nth-of-type(7) em{
	font-family:philosophycolor;
	font-size:18px;
	margin-right:10px;
}
nav a:nth-of-type(8){
	position:relative;
}
nav a:nth-of-type(8):hover{
	border:none;
}
nav a:nth-of-type(8) input{
	width:160px;
	height:28px;
	border-radius:20px;
	padding:0 40px 0 20px;
	transition:500ms;
}
nav a:nth-of-type(8) em{
	font-family:philosophycolor;
	position:absolute;
	right:12px;
	top:4px;
	font-size:18px;
	text-shadow:none;
	color:#b8c8ab;
}
header ul{
	font-size:0;
}
header ul:nth-of-type(1){
	height:720px;
	position:absolute;
	top:0;
	left:0;
}
header ul:nth-of-type(1) li{
	height:720px;
	display:inline-block;
}
header ul:nth-of-type(1) video{
	width:100%;
	height:100%;
	object-fit:cover;
}
header ul:nth-of-type(1) img{
	width:100%;
	height:100%;
	object-fit:cover;
}

header div{
	width:70px;
	height:170px;
	background:rgba(0,0,0,0.2);
	position:absolute;
	top:260px;
	font-size:60px;
	line-height:160px;
	text-align:center;
	color:#fff;
	cursor:pointer;
}
header div:hover{
	background:rgba(0,0,0,0.4);
}
header div:nth-of-type(1){
	left:40px;
}
header div:nth-of-type(2){
	right:40px;
}
header div em{
	font-family:philosophycolor;
}
header ul:nth-of-type(2){
	position:absolute;
	width:100%;
	bottom:30px;
	text-align:center;
}
header ul:nth-of-type(2) li{
	width:16px;
	height:8px;
	margin:0 4px;
	background:#fff;
	display:inline-block;
	border-radius:4px;
	cursor:pointer;
	transition:500ms;
}
header ul:nth-of-type(2) .active{
	width:48px;
	background:#97a68c;
}

section{
	background:#fff;
	margin:30px auto 0 auto;
	width:1920px;
	padding-bottom:60px;
}
section:nth-of-type(1) dl{
	width:1280px;
	margin:0 auto;
	font-size:0;
}
section:nth-of-type(1) dt{
	width:1200px;
	padding:0 40px;
	height:88px;
	margin:0 auto;
}
section:nth-of-type(1) dt a{
	position:relative;
	line-height:88px;
}
section:nth-of-type(1) dt h3{
	display:block;
	font-size:30px;
	color:#000;
	float:left;
}
section:nth-of-type(1) dt strong{
	display:block;
	font-size:18px;
	color:#999999;
	float:right;
}
section:nth-of-type(1) dd{
	width:300px;
	display:inline-block;
	margin:10px;
	transition:400ms;
	border-radius:10px;
	overflow:hidden;
	box-shadow:0 0 8px 2px #b0b0b0;
	cursor:pointer;
}
section:nth-of-type(1) dd:hover{
	transform:scale(1.06);
}
section:nth-of-type(1) dd img{
	width:300px;
	height:300px;
	object-fit:cover;
	margin-bottom:12px;
}
section:nth-of-type(1) dd h4{
	padding:0 20px;
	font-size:20px;
	height:36px;
	line-height:36px;
}
section:nth-of-type(1) dd p{
	padding:0 20px;
	font-size:14px;
	height:36px;
	line-height:36px;
	color:#999999;
}
section:nth-of-type(1) dd p em:nth-of-type(1){
	float:left;
}
section:nth-of-type(1) dd p em:nth-of-type(2){
	float:right;
}

section:nth-of-type(2) dl{
	width:1280px;
	margin:0 auto;
	font-size:0;
}
section:nth-of-type(2) dt{
	width:1200px;
	padding:0 40px;
	height:88px;
	margin:0 auto;
}
section:nth-of-type(2) dt a{
	position:relative;
	line-height:88px;
}
section:nth-of-type(2) dt h3{
	display:block;
	font-size:30px;
	color:#000;
	float:left;
}
section:nth-of-type(2) dt strong{
	display:block;
	font-size:18px;
	color:#999999;
	float:right;
}
section:nth-of-type(2) dd{
	width:300px;
	display:inline-block;
	margin:10px;
	transition:400ms;
	border-radius:10px;
	overflow:hidden;
	box-shadow:0 0 8px 2px #b0b0b0;
	cursor:pointer;
}
section:nth-of-type(2) dd:hover{
	transform:scale(1.06);
}
section:nth-of-type(2) dd img{
	width:300px;
	height:168px;
	object-fit:cover;
	margin-bottom:12px;
}
section:nth-of-type(2) dd h4{
	padding:0 20px;
	font-size:20px;
	height:36px;
	line-height:36px;
	text-overflow:ellipsis;
	white-space:nowrap;
	overflow:hidden;
}
section:nth-of-type(2) dd p{
	padding:0 20px;
	font-size:14px;
	height:36px;
	line-height:36px;
	color:#999999;
}
section:nth-of-type(2) dd p em:nth-of-type(1){
	float:left;
}
section:nth-of-type(2) dd p em:nth-of-type(2){
	float:right;
}


section:nth-of-type(3) div{
	width:1200px;
	padding:0 40px;
	height:88px;
	margin:0 auto;
}
section:nth-of-type(3) div a{
	position:relative;
	line-height:88px;
}
section:nth-of-type(3) div h3{
	display:block;
	font-size:30px;
	color:#000;
	float:left;
}
section:nth-of-type(3) div strong{
	display:block;
	font-size:18px;
	color:#999999;
	float:right;
}
section:nth-of-type(3) ul{
	width: 668px;
	height: 422px;
	margin:0 auto;
	transform-style: preserve-3d;
}
section:nth-of-type(3) ul li{
	width: 668px;
	height: 422px;
	border-radius:10px;
	overflow:hidden;
	box-shadow:0 0 8px 2px #b0b0b0;
	position: absolute;
	left: 0;
	top: 0;
	font-size:60px;
	line-height:422px;
	text-align:center;
	transition:1s;
}
section:nth-of-type(3) ul li img{
	width:668px;
	height:422px;
	object-fit:cover;
}

section:nth-of-type(4) div:nth-of-type(1){
	width:1200px;
	padding:0 40px;
	height:88px;
	margin:0 auto;
}
section:nth-of-type(4) div:nth-of-type(1) a{
	position:relative;
	line-height:88px;
}
section:nth-of-type(4) div:nth-of-type(1) h3{
	display:block;
	font-size:30px;
	color:#000;
	float:left;
}
section:nth-of-type(4) div:nth-of-type(1) strong{
	display:block;
	font-size:18px;
	color:#999999;
	float:right;
}
section:nth-of-type(4) div:nth-of-type(2){
	width:1280px;
	margin:0 auto;
	font-size:0;
}
section:nth-of-type(4) ul{
	display:inline-block;
}
section:nth-of-type(4) iframe{
	width:620px;
	height:702px;
	margin:10px;
	display:inline-block;
	border:none;
}
section:nth-of-type(4) ul li{
	width:300px;
	height:168px;
	overflow:hidden;
	border-radius:10px;
	margin:10px;
	transition:400ms;
}
section:nth-of-type(4) ul li:hover{
	transform:scale(1.06);
}
section:nth-of-type(4) ul li img{
	width:300px;
	height:168px;
	object-fit:cover;
}

footer{
	width:1280px;
	margin:30px auto 30px auto;
	display:flex;
}
footer a{
	color:#000;
	margin:auto;
}