.nav {
	width: 100%;
	height: 80px;
	background: rgba(0, 0, 0, .3);
	position: absolute;
	top: 0;
	z-index: 1;
}

.logo {
	margin-top: 18px;
}

.nav-link {
	width: 1064px;
	float: right;
}

.nav-link-ul {
	
	color: white;

}

.login {
	border: 1px solid;
	padding: 6px 20px;
	border-radius: 24px;
	cursor: pointer;
}

.register {
	cursor: pointer;
}

.header-section {
	position: relative;
}

.header-img {
	width: 100%;
	min-width: 1200px;
}

.card-container {
	width: 100%;
	background-image: url('../image/background_3.png');
	background-repeat: no-repeat;
	background-size: 100% 100%;
	background-position-y: 75px;
}

.center-section {
	width: 1200px;
	margin: 0 auto;
}

.card-tab {
	height: 80px;
	margin-bottom: 15px;
}

.card-tab-ul {
	
	justify-content: space-between;
	align-items: center;
    width: 1200px;
    margin: 0 auto;
}

.card-tab-ul li {
    float:left;
    flex: 1;
    margin: 0 55px;
    line-height: 67px;
    text-align: center;
    cursor: pointer;
    font-size: 18px;
    border-bottom: 5px solid transparent;
}

.card-tab-ul li:hover {
	font-weight: bold;
	color: #499CFC;
	border-bottom: 5px solid #19b8d5;
	border-image: -webkit-linear-gradient(to right, #19b8d5 0%, #19b8d5 45%, #1975ff 55%, #1975ff 100%) 10 10;
	border-image: -moz-linear-gradient(to right, #19b8d5 0%, #19b8d5 45%, #1975ff 55%, #1975ff 100%) 10 10;
	border-image: linear-gradient(to right, #19b8d5 0%, #19b8d5 45%, #1975ff 55%, #1975ff 100%) 10 10;
}

.active {
	font-weight: bold;
	color: #499CFC;
	border-bottom: 5px solid;
	border-image: -webkit-linear-gradient(to right, #19b8d5 0%, #19b8d5 45%, #1975ff 55%, #1975ff 100%) 10 10;
	border-image: -moz-linear-gradient(to right, #19b8d5 0%, #19b8d5 45%, #1975ff 55%, #1975ff 100%) 10 10;
	border-image: linear-gradient(to right, #19b8d5 0%, #19b8d5 45%, #1975ff 55%, #1975ff 100%) 10 10;
}

.clearfix:after {
	content: ".";
	display: block;
	clear: both;
	visibility: hidden;
	height: 0;
	font-size: 0;
}

.card-content-ul {
	
	display: flex;
	justify-content: space-around;
	flex-flow: row wrap;
	display: none;

}

.card-content-ul li {
	width: 285px;
	height: 324px;
	display: block;
	overflow: hidden;
	margin-bottom: 22px;
	padding: 8px;
	border-radius: 5px;
	position: relative;
	float: left;
	border: 1px solid #D5DADF;
	box-shadow: 0 0 8px 1px #D5DADF;
	box-sizing: border-box;
    cursor: pointer;
	background-color: #FFFFFF;
	margin-right:20px; 
text-align: left;
}

.card-content-ul li:hover {
	border: 1px solid #0AA1F7;
    box-shadow: 0 0 8px 1px #0AA1F7;
    background-color: #ECF5FC;
}

.card-content-ul li:hover .card-content-desc {
    background-color: #DEEFFD;
	border: 1px solid #C0D7EA;
	font-size: 10px;
}

.card-content-ul li img {
	text-align: center;
	width: 267px;
	height: 150px;
	margin-right:1px; 
}

.card-content-ul li:nth-child(4n) {
	margin-right: 0px;
}

.card-content-title {
	font-weight: bold;
	padding: 11px 0;
	line-height: 18px;
	font-size: 12px;
}

.card-content-desc {
	line-height: 22px;
	border: 1px solid #E3E8ED;
	margin-top: 7px;
	padding: 4px 7px;
	position: relative;
        background-color: #F9FAFB;
        color: #333333;
        font-size: 10px;
       min-height:96px;
}

.tag {
	background-image: url('../image/tag.png');
	background-position: 0px 0px;
	background-repeat: no-repeat;
	display: inline-block;
	padding-left: 15px;
    color: #7D7E80;
    font-size: 10px;
    padding-bottom: 2px;
}

.vertical-line {
	padding: 0 15px;
	color: #808080;
}

.date {
	background-image: url('../image/date.png');
	background-position: 0px 0px;
	background-repeat: no-repeat;
	display: inline-block;
	padding-left: 15px;
    color: #7D7E80;
    font-size: 10px;
        padding-bottom: 2px;
}

.strong-tag {
	color: #459FFF;
    line-height: 18px;
    vertical-align: top;
}

.more {
	text-decoration: none;
	color: #056cc7;
	position: absolute;
	right: 8px;
	bottom: 10px;
    padding: 0 7px;
    font-size: 10px;
}

.search-section {
	width: 860px;
	height: 80px;

	background:linear-gradient( rgba(48,126,216,.3) , rgba(13,163,225,.3));

	position: absolute;
	left: 50%;
	bottom: 60px;
	margin-left: -428px;
	padding: 20px;
	box-sizing: border-box;
}

.search-input {
	width: 700px;
	height: 42px;
	padding-left: 8px;
	box-sizing: border-box;
    float: left;
    border: none;
    font-family:"microsoft yahei";
}

.search-btn {
	width: 120px;
	font-size: 16px;
	padding-left: 25px;
	height: 42px;
	border: none;
	color: white;
	background-image: url(../image/search.png), url(../image/btn_1.png);
	background-repeat: no-repeat;
	background-size: 20px 20px, 100% 100%;
	background-position: 20px 12px, 0 0;
	float: left;
	cursor: pointer;
	font-family:"microsoft yahei";
}

.result-search-btn {
	width: 120px;
	height: 42px;
	font-size: 16px;
	margin-left: 16px;
	border: none;
	border-radius: 6px;
	color: white;
	background-image: url('../image/btn_2.png');
	background-repeat: no-repeat;
	background-size: 100% 100%;
	float: left;
	cursor: pointer;
}