@CHARSET "UTF-8";
html, body, header, article, footer, nav,section, ul, li, div, form, input,textarea,p {
	margin: 0;
	padding: 0;
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	-o-box-sizing: border-box;
	box-sizing: border-box;
}
html,body{
	width:100%;
	height:100%;
}
html {
	overflow-y: scroll;
	-moz-osx-font-smoothing:grayscale;
	-webkit-font-smoothing:antialiased;
	text-rendering:optimizelegibility;
}
body {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px;
	color: #fff;
	background:#005b88;
}
a{
	color: #444;
	text-decoration: none;
	cursor: pointer;
}
a:hover{
	color: red;
}
img {
	border: none;
}
input,textarea,select{
	outline:none;
}
ul, li {
	list-style: none;
}
table {
	border-collapse: collapse;
}
.hidden{
	display:none;
}
header{
	height:110px;
	padding:15px 5%;
	background:#003853;
	color:#fff;
}
#siteLogo{
	width:65%;
	float:left;
	font-size:22px;
	padding-left:15px;
}
#siteLogo img{
	height:60px;
	vertical-align:middle;
}
#search{
	width:35%;
	float:right;
	text-align:right;
	padding-top:10px;
}
#welcome{
	color:#fff;
	font-size:14px;
	margin-bottom:15px;
}
#welcome a{
	color:#fff;
}
#welcome a:hover{
	color:#ff0000;
}
#welcome img{
	width:18px;
	height:18px;
	vertical-align:middle;
}
#kwtype{
	border:1px solid #c0c0c0;
	width:auto;
	height:28px;
	background:#f5f5f5;
	padding:0 5px;
}
#kw{
	border:1px solid #c0c0c0;
	width:120px;
	height:28px;
	background:#f5f5f5;
	padding:0 5px;
}
#seach_btn{
	border:1px solid #c0c0c0;
	height:28px;
	padding:0 10px;
	background:#e0e0e0;
}
#seach_btn:hover{
	color:red;
	background:#ff8000;
}
/**导航**/
nav#navhead{
	width:100%;
	height:40px;
	line-height:40px;
	background:#0080c0;
	margin-bottom:20px;
}
ul#menu {
	width: 90%;
	display: flex;
	margin:auto;
}
#menu li {
	flex: 1; /**宽度相等**/
	height: 40px;
	line-height: 40px;
	position: relative;
	font-size:16px;
	text-align: center;
}
#menu li:hover {
	background: #8b8b8b;
}
#menu a {
	width:100%;
	height: 100%;
	color:#fff;
	display: block;
	white-space: nowrap;
	text-transform: none;
}
#menu a:hover{
	color:#000;
}
#menu li:hover>ul {
	display: block;
}
/*************** Sub-menu ****************/
#menu ul {
	display: none;
	position: absolute;
	width:100%;
	top: 34px;
	left: 50%;
	transform: translateX(-50%);
	z-index: 9;
}
#menu ul li {
	width:100%;
	height:36px;
	line-height:36px;
	font-size:14px;
	text-align:center;
	display: block;
	background: #c0c0c0;
	border-top:1px solid #fff;
	border-bottom: 1px solid #c0c0c0;
}
#menu ul li a{
	color:#444;
}
#menu ul li a:hover{
	color:red
}
#menu ul li:hover{
	background: #b0b0b0 url(/images_pub/arr_r.png) left center no-repeat;
}
.smallmenu li:nth-child(1):before {
	content: '';
	position: absolute;
	left: 30px;
	top: -8px;
	width: 0;
	height: 0;
	border-left: 5px solid transparent;
	border-right: 5px solid transparent;
	border-bottom: 8px solid #fff;
}
.container{
	width:90%;
	margin:30px auto 0;
}
.container #lessons{
	display:grid;
	grid-gap:20px;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	/**grid-template-rows: repeat(5, 460px);**/
	grid-template-rows: repeat(auto-fit, minmax(200px, 1fr));
}
.container #lessons div{
	overflow:hidden;
	background:#414141;
	padding-top:0;
	padding-bottom:12px;
	-moz-box-shadow:10px 10px 5px #848484;
	-webkit-box-shadow:10px 10px 5px #848484;
	box-shadow:10px 10px 5px #848484;
}
#lessons div a{
	display:block;
	width:100%;
	text-align:center;
	background:url(default.png) no-repeat;
	background-size:cover;
}
.container #lessons div a img{
	width:50px;
	height:50px;
	opacity:0.8;
}
.container #lessons div a img:hover{
	transform: scale(1.05);
	opacity:1;
}
.page{
	padding:40px 0;
	text-align:center;
}
.page span{
	padding:5px 8px;
	border:1px solid #fff;
	margin:0 5px;
	color:#444;
	background:#f5f5f5;
}
.page span:hover{
	cursor:default;
	color:red;
	border:1px solid red;
}
.strong{
	font-weight:bold;
	padding:10px;
}
.gray{
	padding:5px 10px;
	font-size:12px;
}
footer{
	text-align:center;
	padding:20px 0;
	background:#003853;
	font-size:12px;
}
footer p{
	padding-bottom:10px;
}
footer a{
	color:#fff;
}
footer img{
	width:64px;
}