html {
	font-family: sans-serif;
	-ms-text-size-adjust: 100%;
	-webkit-text-size-adjust: 100%
}
body {
	margin: 0;
}
html {
	font-size: 10px;
	-webkit-tap-highlight-color: transparent
}
body {
	font-family: "Microsoft YaHei", "微软雅黑", SimSun, "宋体", Heiti, "黑体", sans-serif;
	font-size: 14px;
	color: #333;
	background-color: #fff;
	padding: 140px 0 60px;
}

* p img {
	max-width:100%;
}

ul,li {
	margin: 0;
	padding: 0;
	list-style: none;
}

a {
	text-decoration: none;
	color: #535150;
}

a:hover {
	color: #e72d34;
}

.fl {
	float: left;
}

.fr {
	float: right;
}

.animate {
	-webkit-transition: all 0.8s;
	-moz-transition: all 0.8s;
	-o-transition: all 0.8s;
	-ms-transition: all 0.8s;
}

.animated{
	-webkit-transition:margin-left 0.2s ease-in-out;
	-moz-transition:margin-left 0.2s ease-in-out;
	-o-transition:margin-left 0.2s ease-in-out;
	-ms-transition:margin-left 0.2s ease-in-out;
	transition:margin-left 0.2s ease-in-out;
}

.auto-width {
	max-width: 1600px;
}

.auto-content {
	max-width: 1200px;
}

.arrow {
	position: fixed;
	display: none;
	right: 15px;
	bottom: 75px;
	width: 60px;
	height: 60px;
	background: #ccc;
	color: #fff;
	font-size: 36px;
	text-align: center;
	line-height: 60px;
	cursor: pointer;
}

.pager , .pages {
	display: flex;
	justify-content: center;
	align-items: center;
	overflow: hidden;
}

.pages li {
	display: inline-block;
	margin: 0 5px;
}

.pages li a , .pages li span , .pager li a , .pager li span {
	display: block;
	height: 40px;
	line-height: 40px;
	width: 40px;
	text-align: center;
	border: #ccc 1px solid;
}

.pages li.active a , .pages li.active span {
	border-color: #f30;
	background: #f30;
	color: #fff;
}

.pager li.disabled a , .pager li.disabled span , .pages li.disabled a , .pages li.disabled span {
	border-color: #f5f5f5;
	background: #f5f5f5;
	color: #333;
}

.pager {
	display: none;
	flex-wrap: nowrap;
	justify-content:space-between;
}

.pager li {
	flex:2;
}

.pager li.page-info {
	flex:1;
	margin: 0 10px;
}

.pager li span , .pager li a {
	width: 100%;
}

header , footer {
	position: fixed;
	left: 0;
	display: block;
	width: 100%;
	overflow: hidden;
	z-index: 999999;
}

/**
 * 头部
 * */
header {
	top: 0;
	height: 140px;
	background: #fff;
	box-sizing: border-box;
}

.page center {
	border-top: #ccc 1px solid;
	box-sizing: border-box;
}

header .content , footer .content {
	height: 100%;
	margin: 0 auto;
}

header .content {
	background: url(../images/header-title-max.png) no-repeat center center;
	background-size:contain;
}

header .content .logo {
	display: inline-block;
	width: 50%;
	height: 100%;
	background: url(../images/logo-max.png) no-repeat left center;
	background-size:contain;
	overflow: hidden;
}

header .content .menu {
	display: inline-block;
	width: 50%;
	height: 100%;
	line-height: 160px;
	text-align: right;
}

header .content .menu .icon {
	font-size: 32px;
}

header .content .menu .icon:hover {
	color: #e60012;
}


/**
 * 底部
 * */
footer {
	bottom: 0;
	height: 60px;
	background: #53504f;
}

footer .content {
	line-height: 60px;
	text-align: center;
}

footer .content .item {
	overflow: hidden;
	padding: 0 20px;
	color: #fff;
	font-size: 16px;
	font-family:"微软雅黑","microsoft yahei";
	border-right: #fff 2px solid;
}

footer .content .item:last-child {
	border-right: none;
}

footer .content .item .icon {
	font-size: 20px;
	padding: 0 10px;
	cursor: pointer;
}

footer .content .item a {
	color: #fff;
}

footer .content .item .icon-wechat:hover {
	color: #34e073;
}

footer .content .item .icon-email:hover {
	color: #f7b500;
}

footer .content .item .icon-location:hover {
	color: #00a2ff;
}

/***
 * 菜单
 */

nav {
	position: fixed;
	z-index: 999998;
	width: 100%;
	top: 0;
	bottom: 0;
	right: 110%;
	padding: 140px 0 60px 0;
	background: #fff;
	border-top: #231815 1px solid;
	box-sizing: border-box;
}

nav.show {
	right: 0;
}

nav .box {
	height: 100%;
	margin: 0 auto;
	box-sizing: border-box;
}

nav .box .tool .close {
	display: block;
	padding: 20px 0;
	width: 50px;
	height: 50px;
	color: #333;
	font-size: 28px;
	line-height: 50px;
	text-align: center;
	cursor:pointer;
}

nav .box .list {
	padding: 20px 0 20px 50px;
}

nav .box .list .item {
	display: block;
	width: 100%;
	overflow: hidden;
}

nav .box .list .item .root , nav .box .list .item .sub {
	display: block;
	float: left;
	height: 70px;
	line-height: 60px;
	letter-spacing: 4px;
	margin-left: 40px;
	font-size: 28px;
}

nav .box .list .item .root {
	margin: 0;
	font-weight: 600;
}

nav .box .list .item .curr {
	color: #f60;
}

/**
 * 内容区域
 * */
center {
	width: 100%;
	overflow: hidden;
}

/**
 * 幻灯
 * */
.slider-height {
	height: calc( 100vh - 260px - 200px );
}

center .slider {
	display: block;
	position: static;
	width: 100%;
}

center .slider .bd , center .slider ul , center .pic-slider ul {
	display: block;
	margin: 0;
	width: 100%;
	height: 100%;
}

center .slider .bd .tempWrap , center .pic-slider .bd .tempWrap {
	height: 100%;
}

center .slider .hd {
	display: block;
	position:relative;
	width: 100%;
	margin-top: -36px;
	z-index: 1;
}

center .slider .hd ul {
	overflow: hidden;
}

center .slider .hd ul li {
	display: block;
	float: left;
	padding: 25px 0;
	margin-right: 20px;
}

center .slider .hd ul li span {
	display: block;
	width: 80px;
	height: 3px;
	background: #fff;
	border-radius: 1.5px;
}

center .slider .hd ul li.on span {
	background: #514e4e;
}

center .slider .item {
	width: 100%;
	height: 100%;
}

center .content.home {
	display: flex;
	justify-content: space-between;
	height: 260px;
}

center .content.home .item {
	display: block;
	float: left;
}

center .content.home .item .title {
	margin: 50px 0 20PX 0;
	height: 36px;
	line-height: 36px;
	letter-spacing: 3px;
	border-left: #f00 5px solid;
	padding-left: 20px;
	font-size: 28px;
	text-align: left;
}

center .content.home .item .text {
	display: block;
	float: left;
}

center .content.home .item .text p {
	text-align: left;
	font-size: 20px;
	padding: 5px 0;
	margin: 0;
	color: #757271;
}

center .content.home .item:last-child {
	margin: 0;
}

center .content {
	margin: 0 auto;
}

center .content .title , center .content .news-title {
	width: 100%;
	float: left;
	overflow: hidden;
	height: auto;
	margin: 15px 0;
	line-height: 100px;
	font-size: 32px;
}

center .content .news-title {
	text-align: left;
	line-height: 60px;
}

center .content .page-content img {
	max-width: 100%;
}

center .content .page-content , center .content .news-content {
	background: #eeefef;
	float: left;
	padding: 0 0 50px 0;
	min-height: calc( 100% - 100px );
	text-align: left;
	box-sizing: border-box;
	margin-bottom: 20px;
}

center .content .page-content p:first-child {
	margin-top: 0;
}

center .content .news-content {
	padding: 10px 20px;
	float: left;
	width: 100%;
	margin-bottom: 20px;
}

center .content .page-pic {
	width: 100%;
	float: left;
	overflow: hidden;
}

center .content .page-pic img {
	max-width: 100%;
	float: left;
}

center .news-list , center .pic-list {
	margin: 0 auto;
	padding-bottom: 50px;
	overflow: hidden;
}

center .news-list .box {
	width: 100%;
	text-align: left;
	overflow: hidden;
	text-shadow: 1px 1px 3px #ddd;
}

center .news-list .box .item {
	float: left;
	width: calc( ( 1600px - 150px ) / 3 );
	margin: 0 25px 50px 25px;
}

center .news-list .box .item .news-pic {
	display: flex;
	align-items: center;
	justify-content: center;
	height: calc( ( 1600px - 150px ) / 6 );
	transition: all .3s ease-out 0s;
	overflow: hidden;
}

center .news-list .box .item .news-pic .mask {
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	width: 0px;
	height: 0px;
	font-size: 36px;
	transition: all .3s ease-out 0s;
	overflow: hidden;
	line-height: 100%;
	background: url(../images/mask-03.png);
	opacity: 0;
}

center .news-list .box .item .news-pic:hover .mask {
	width: 100%;
	height: 100%;
	opacity: 1;
}

center .news-list .box .item .news-title , center .news-list .box .item .news-description {
	text-overflow:ellipsis;
	-webkit-box-orient:vertical;
	display: -webkit-box;
	text-decoration: none;
	overflow: hidden;
}

center .news-list .box .item .news-title {
	font-size: 18px;
	height: 45px;
	line-height: 45px;
	letter-spacing: 2px;
	-webkit-line-clamp: 1;
	color: #333;
	border-bottom: #ccc 1px dashed;
}

center .news-list .box .item .news-description {
	height: 90px;
	line-height: 30px;
	letter-spacing: 1.5px;
	font-size: 16px;
	-webkit-line-clamp: 3;
	color: #999;
}

center .news-list .box .item .news-tools {
	display: flex;
	justify-content: space-between;
	height: 40px;
	line-height: 40px;
	padding: 0 1px;
	font-size: 12px !important;
	color: #999;
}


center .class-title {
	height: 80px;
	line-height: 100px;
	letter-spacing: 3px;
	font-size: 32px;
	text-shadow: 1px 1px 3px #ddd;
}

center .pic-list .sub-title {
	font-size: 18px;
	padding-bottom: 15px;
}

center .pic-list .sub-title a {
	display: inline-block;
	padding: 0 15px;
}

center .pic-list .sub-title .curr {
	color: #f30;
}

center .pic-list .pic-type {
	padding: 0 20px 20px 20px;
	overflow: hidden;
}

center .pic-list .pic-type a , center .pic-list .pic-type span {
	display: block;
	float: left;
	margin: 0 10px 0 0;
	padding: 5px 10px;
}

center .pic-list .pic-type span.curr {
	background: #a0a0a0;
	color: #fff;
}

center .pic-list .pic-box {
	width: 100%;
	height: auto;
	overflow: hidden;
}

center .pic-list .pic-box .item {
	float: left;
	width: calc( ( 1600px - 200px ) / 4 );
	overflow: hidden;
	background: #ededef;
	letter-spacing: 1px;
	margin: 0 25px 50px 25px;
}
	
center .pic-list .pic-box .item .pic {
	height: calc( ( 1600px - 200px ) / 8 );
}

center .pic-list .pic-box .item .title , center .pic-list .pic-box .item .location {
	padding: 10px 10px 0 10px;
	font-size: 18px;
	text-align: left;
	box-sizing: border-box;
}

center .pic-list .pic-box .item .title {
	font-weight: 600;
}

center .pic-list .pic-box .item .location {
	padding: 0 10px 10px 10px;
	font-size: 14px;
	color: #a0a0a0;
}

center .pic-list .pic-box .item:hover {
	background: #a1a1a1;
}

center .pic-list .pic-box .item:hover .title {
	color: #fff;
}

center .pic-list .pic-box .item:hover .location {
	color: #d3d5d5;
}

center.show-pic , center.book {
	position: fixed;
	top: 140px;
	bottom: 60px;
	text-align: left;
}

center.show-pic .pic-title {
	width: 1600px;
	margin: 0 auto;
}

center.show-pic .pic-title .title {
	height: 70px;
	line-height: 60px;
	padding-top: 20px;
	box-sizing: border-box;
	font-size: 32px;
	overflow: hidden;
	color: #4d4a49;
}

center.show-pic .pic-title .sub-title {
	font-size: 18px;
	height: 30px;
	color: #929190;
}

center.show-pic .pic-title .sub-title span {
	display: inline-block;
	margin-right: 15px;
}

center.show-pic .pic-title .back {
    position: relative;
    display: flex;
    margin-left: calc( 100% - 80px );
    width: 80px;
    height: 80px;
    text-align: right;
    margin-top: -80px;
    font-size: 28px;
}

center.show-pic .pic-title .back a {
	flex: 1;
	line-height: 100px;
	font-size: 36px;
}

center.show-pic .pic-box {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	width: 100%;
	height: calc( 100% - 140px );
}

center.show-pic .pic-box .tools {
	width: calc( ( 100% - 1640px ) / 2 );
	height: 100%;
	-webkit-filter: grayscale(100%);
	-moz-filter: grayscale(100%);
	-ms-filter: grayscale(100%);
	-o-filter: grayscale(100%);
	filter: grayscale(100%);
	filter: gray;
	color: #000;
	box-sizing: border-box;
	font-size: 60px;
	display: flex;
	justify-content: center;
	align-items: center;
	opacity: 0.5;
	font-weight: 900;
	padding: 0 10px;
	
}

center.show-pic .pic-box .tools.prev {
	justify-content: flex-end;
}

center.show-pic .pic-box .tools.next {
	justify-content: flex-start;
	text-align: left;
}

center.show-pic .pic-controller {
	width: 1600px;
	height: 40px;
	margin: 0 auto;
}

center.show-pic .pic-controller span {
	display: inline-block;
	height: 20px;
	width: 20px;
	border-radius: 10px;
	background: #53504f;
	margin: 10px 10px 10px 0;
}

center.show-pic .pic-controller span.on {
	background: #e62029;
}

center.show-pic .pic-box .pic-slider {
	width: 1600px;
	height: 100%;
	overflow: hidden;
}

center.show-pic .pic-box .pic-slider div {
	width: 100%;
	height: 100%;
}

center.show-pic .pic-box .pic-slider div img {
	width: 100%;
	height: 100%;
	opacity: 0;
}

center.book .content {
	width: calc( ( 100vh - 240px ) / 10 * 15 );
	height: calc( 100% - 40px );
	display: flex;
	justify-content: center;
	align-items: center;
}


center.book .content .book-content {
	width: 100%;
	height: 100%;
	padding: 20px 0;
	box-sizing: border-box;
}

center.book .content .book-content .book-box {
	width: 100%;
	height: 100%;
	display: flex;
}

center.book .content .book-title {
	width: 100%;
	height: 80px;
	line-height: 90px;
	font-size: 32px;
	box-sizing: border-box;
}

center.book .content .book-content .book-box .page {
	background: #fff;
}

center.book .content .book-content .book-box .book-class , center.book .content .book-content .book-box .book-image {
	position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
	padding: 50px 40px;
	overflow: hidden;
	box-sizing: border-box;
	display: flex;
	flex-direction: column;
}

center.book .content .book-content .book-box .book-class {
	z-index: 1;
}

center.book .content .book-content .book-box .book-class .item {
	display: flex;
	flex-direction: row;
	flex-wrap: nowrap;
	justify-content:space-between;
	flex: 0.05;
	justify-content: center;
	align-content: center;
	cursor: pointer;
}

center.book .content .book-content .book-box .book-class .item:hover {
	background: #fafafa;
}

center.book .content .book-content .book-box .book-class .item span {
	display: flex;
	align-items: center;
}

center.book .content .book-content .book-box .book-class .item span:nth-child(2n) {
	flex: 1;
	border-bottom: #ccc 1px dashed;
	height: calc( 50% );
	margin: 0 5px;
}

center.book .content .book-content .book-box .book-class .item.level-1 {
	margin-left: 2em;
}
center.book .content .book-content .book-box .book-class .item.level-2 {
	margin-left: 4em;
}
center.book .content .book-content .book-box .book-class .item.level-3 {
	margin-left: 6em;
}

center.book .content .book-content .book-box .shadow , center.book .content .book-content .book-box.single{
	-webkit-transition: -webkit-box-shadow 0.5s;
	-moz-transition: -moz-box-shadow 0.5s;
	-o-transition: -webkit-box-shadow 0.5s;
	-ms-transition: -ms-box-shadow 0.5s;

	-webkit-box-shadow:0 0 10px #999;
	-moz-box-shadow:0 0 10px #999;
	-ms-box-shadow:0 0 10px #999;
	-o-box-shadow:0 0 10px #999;
	box-shadow:0 0 10px #999;
}

center.book .content .book-content .book-box .mask {
	position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

center.book .content .book-content .book-box .even .mask {
	background:-webkit-gradient(linear, left top, right top, color-stop(0.95, rgba(0,0,0,0)), color-stop(1, rgba(0,0,0,0.2)));
	background-image:-webkit-linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
	background-image:-moz-linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
	background-image:-ms-linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
	background-image:-o-linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
	background-image:linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
}
center.book .content .book-content .book-box .odd .mask {
	background:-webkit-gradient(linear, right top, left top, color-stop(0.95, rgba(0,0,0,0)), color-stop(1, rgba(0,0,0,0.15)));
	background-image:-webkit-linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
	background-image:-moz-linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
	background-image:-ms-linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
	background-image:-o-linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
	background-image:linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
}

center .book-list {
	display: flex;
	flex-wrap: wrap;
	justify-content:space-around;
}

center .book-list .item {
	width : calc( (100vh - 400px) / 10 * 7 );
	height: calc( 100vh - 400px );
	margin: 20px 0;
	border: #ccc 1px solid;
	box-sizing: border-box;
}

center .book-btn {
	position: fixed;
	display: flex;
	width: auto;
	bottom: 70px;
	z-index: 999;
	justify-content:center;
}

center .book-btn .item {
	width: 50px;
	height: 30px;
	font-size:24px;
	margin: 0 10px;
	text-align: center;
	line-height: 30px;
}

.location {
	height: 40px;
    line-height: 40px;
    text-align: right;
    color: #ccc;
}

.location a {
	color: #aaa;
}

.location a:hover {
	color: #ff3300;
}

.location ~ .class-title {
	line-height: 60px !important;	
}

@media ( max-width:1680px ) {
	body {
		padding: 100px 0 40px 0;
	}
	.slider-height {
		height: calc( 100vh - 180px - 140px );
	}
	header {
		height: 100px;
	}
	header .content .logo {
		background: url(../images/logo-middle.png) no-repeat left center;
		background-size: contain;
	}
	header .content {
		background: url(../images/header-title-middle.png) no-repeat center center;
		background-size: contain;
	}
	header .content .menu {
		line-height: 110px;
	}
	header .content .menu .icon {
		font-size: 28px;
	}
	nav {
		padding: 100px 0 40px 0;
	}
	nav .box .list .item .root , nav .box .list .item .sub {
		font-size: 24px;
	}
	center .content.home {
		height: 180px;
	}
	center .content.home .item .title {
		height: 28px;
		line-height: 28px;
		font-size: 20px;
		margin: 30px 0 10px 0;
	}
	center .content.home .item .text p {
		font-size: 16px;
	}
	footer {
		height: 40px;
	}
	footer .content {
		line-height: 40px;
	}
	footer .content .item .icon {
		font-size: 16px;
	}
	
	center .content .news-title {
		line-height: 40px;
		font-size: 24px;
	}
	
	center .content .title {
		line-height: 60px;
	}
	
	center.show-pic , center.book {
		top: 100px;
		bottom: 40px;
	}
	
	center.show-pic .pic-box {
		height: calc( 100% - 120px );
	}
	
	center.show-pic .pic-title .title {
		height: 50px;
		line-height: 30px;
		font-size: 24px;
	}
	
	center.show-pic .pic-title .sub-title {
		font-size: 16px;
	}
	
	.arrow {
		right: 20px;
		bottom: 55px;
		width: 40px;
		height: 40px;
		font-size: 32px;
		line-height: 40px;
	}
	
	.auto-width {
		max-width: 1200px;
	}
	.auto-content {
		max-width: 1000px;
	}
	
	center .news-list .box .item {
		width: calc( ( 1200px - 120px ) / 3 );
		margin: 0 20px 40px 20px;
	}
	
	center .news-list .box .item .news-pic {
		height: calc( ( 1200px - 120px ) / 6 );
	}
	
	center .class-title {
		height: 60px;
		line-height: 80px;
		font-size: 28px;
	}
		
	center .pic-list .pic-box .item {
		width: calc( ( 1200px - 160px ) / 4 );
		margin: 0 20px 40px 20px;
	}
		
	center .pic-list .pic-box .item .pic {
		height: calc( ( 1200px - 160px ) / 8 );
	}
	
	center.show-pic .pic-box .tools {
		width: calc( ( 100% - 1240px ) / 2 );
	}
	
	center.show-pic .pic-title , center.show-pic .pic-controller , center.show-pic .pic-box .pic-slider {
		width: 1200px;
	}
	
	center.show-pic .pic-title .back a {
		font-size: 32px;
	}
	
	center .book-btn {
	    bottom: 50px;
	}
}


@media ( max-width:1440px ) {
	
	
	center.book .content {
	    width: calc( ( 100vh - 240px ) / 10 * 18 );
	    height: calc( 100% - 30px );
	}
	
	center.book .content .book-content .book-box .book-class .item {
		font-size: 12px;
	}
	
	center.show-pic .pic-title .back a {
		font-size: 28px;
	}
	
}


@media ( max-width:1280px ) {
	.auto-width {
		max-width: 960px;
	}
	.auto-content {
		max-width: 800px;
	}
	body {
		padding: 100px 0 40px 0;
	}
	
	center .content.home .item .title {
		margin: 30px 0 10px 0;
	}
	
	nav .box .list .item .root , nav .box .list .item .sub {
		font-size: 18px;
	}
	
	footer {
		bottom: 0;
		height: 40px;
		background: #53504f;
	}
	
	footer .content {
		line-height: 40px;
		text-align: center;
	}
	
	footer .content .item {
		font-size: 14px;
	}
	
	center .news-list .box .item {
		width: calc( ( 960px - 120px ) / 3 );
		margin: 0 20px 40px 20px;
	}
	
	center .news-list .box .item .news-pic {
		height: calc( ( 960px - 120px ) / 6 );
	}
	
	center .news-list .box .item .news-title {
		font-size: 16px;
	}
	
	center .news-list .box .item .news-description {
		height: 60px;
		font-size: 14px;
		-webkit-line-clamp: 2;
	}
	
	center .news-list .box .item .news-tools span {
		font-size: 14px;
	}
	
	center .content .title {
		line-height: 45px;
		font-size: 24px;
	}
	
	center .pic-list .class-title {
		height: 50px;
		line-height: 60px;
		font-size: 24px;
	}
	
	center .pic-list .pic-box .item {
		width: calc( ( 960px - 120px ) / 3 );
		margin: 0 20px 40px 20px;
	}
		
	center .pic-list .pic-box .item .pic {
		height: calc( ( 960px - 120px ) / 6 );
	}
	
	center.show-pic .pic-box .tools {
		width: calc( ( 100% - 1000px ) / 2 );
	}
	
	center.show-pic .pic-title , center.show-pic .pic-controller , center.show-pic .pic-box .pic-slider {
		width: 960px;
	}
	
	center.book .content {
	    width: calc( ( 100vh - 240px ) / 10 * 9 );
	    max-width:calc( 100% - 20px );
	}
	
	center.book .content .book-content .book-box .book-class .item {
		font-size: 12px;
	}
	
}


@media ( max-width:992px ) {
	body {
		padding: 60px 0 40px 0;
	}
	.slider-height {
		height: calc( 100vw / 16 * 9 );
	}
	.auto-width {
		padding: 0 10px;
	}
	header {
		height: 60px;
	}
	header .content .menu {
		line-height: 60px;
	}
	header .content .menu .icon {
		font-size: 24px;
	}
	nav .box .list .item .sub {
		margin-left: 20px;
	}
	nav {
		padding: 60px 0 40px 0;
	}
	center .content.home {
		display: block;
	}
	center .content.home .item {
		width: 50%;
	}
	center .content.home .item:nth-child(2) {
		margin: 0;
	}
	footer .content .item {
		display: block;
		border: none;
	}
	
	center .pic-list .pic-box , center .news-list .box {
		display: flex;
		justify-content: space-between;
		flex-wrap: wrap;
		padding-top: 10px;
	}
	
	center .pic-list .pic-box .item , center .news-list .box .item {
		width: calc( ( 100vw - 40px ) / 2 );
		margin: 0 0 40px 0;
	}
		
	center .pic-list .pic-box .item .pic , center .news-list .box .item .news-pic {
		height: calc( ( 100vw - 40px ) / 4 );
	}
	
	center .pic-list .pic-type {
		padding: 20px 0px 20px 0px;
		overflow: hidden;
	}
	
	center.show-pic , center.book {
		top: 60px;
		bottom: 40px;
	}
	
	center.show-pic .pic-box {
		height: calc( 100% - 120px );
	}
	
	center.show-pic .pic-title , center.show-pic .pic-controller , center.show-pic .pic-box .pic-slider {
		width:100%;
	}
	
	center.show-pic .pic-box .tools {
		padding: 0;
	}
	
	.arrow {
		right: 100vh;
	}
	
	center.book .content {
		align-items: flex-start;
		padding-top: 20px;
	}
	
	center.book .content .book-content .book-box .book-class , center.book .content .book-content .book-box .book-image {
		padding: 30px 20px;
		font-size: 12px;
	}
}

@media ( max-width:768px ) {
	body {
		padding: 60px 10px 60px 10px;
	}
	.content.home.auto-width , .pic-list.auto-width {
		padding: 0;
	}
	header {
		height: 60px;
	}
	header .content .logo {
		background: url(../images/logo-small.png) no-repeat left;
		background-size:contain;
	}
	header .content {
		background: none;
	}
	header .content .menu {
		line-height: 60px;
	}
	header .content .menu .icon {
		font-size: 20px;
	}
	nav {
		padding: 0;
	}
	nav .box {
		padding: 80px 0 40px 20px;
	}
	nav .tool {
		display: none;
	}
	nav .box .list {
		padding: 0;
		height: 100%;
		overflow: auto;
	}
	nav .box .list .item {
		height: 40px;
		overflow: hidden;
	}
	nav .box .list .item.show {
		height:auto;
	}
	nav .box .list .item .root , nav .box .list .item .sub {
		float: none;
		height: 40px;
		line-height: 40px;
	}
	nav .box .list .item .root {
		font-weight: bold;
	}
	center {
		top: 60px;
	}
	
	center .content .title {
		line-height: 40px;
		font-size: 24px;
		margin: 15px 0;
	}
	
	center .news-list .box .item {
		width: calc( ( 100% - 40px ) / 2 );
	}
	
	center .news-list .box .item .news-pic {
		height: calc( (100vw - 80px)/32 * 8 );
	}
	
	center .content .news-title {
		line-height: 30px;
		font-size: 21px;
	}
	
	center .content.home {
		height: auto;
	}
	
	center .slider .hd ul li {
		display: inline-block;
		float: none;
		padding: 15px 0;
		margin: 0 5px;
	}
	
	center .slider .hd ul li span {
		width: 25px;
		height: 2px;
	}
	
	center .pic-list .sub-title {
		display: flex;
		justify-content: center;
		align-items: center;
		border-bottom: #f30 1px solid;
		padding: 0 10px;
		margin-top: 15px;
	}
	
	center .pic-list .sub-title a {
		flex-grow:1;
		padding: 5px 0;
		margin: 0;
		border-radius: 10px 10px 0 0;
	}
	
	center .pic-list .sub-title a.curr {
		background: #f30;
		color: #fff;
	}
	
	center.show-pic , center.book {
		width: calc( 100% - 20px );
	}
	.pages {
		display: none;
	}
	.pager {
		display: flex;
	}
	
	center.book .content .book-content {
		width: 100%;
		height: calc( 100vh - 180px );
		padding: 0;
	}
}

@media ( max-width:640px ) {
	center .news-list .box .item {
		width: 100%;
	}
	
	center .content.home .item {
		display: block;
		width: 100%;
		float: none;
	}
	
	center .news-list {
		padding: 0;
	}
	
	center .news-list .box .item .news-pic {
		height: calc( (100vw - 20px)/16 * 8 );
	}
	
	center .pic-list .pic-box .item {
		width: 100%;
		margin-bottom: 20px;
	}
		
	center .pic-list .pic-box .item .pic {
		height: calc( ( 100vw - 20px ) / 2 );
	}
}