/* 重置样式 reset style  */
* {
	margin: 0;
	padding: 0;
}

body {
	background-color: #fff;
}

ul {
	list-style: none;
}

a {
	color: inherit;
	text-decoration: none;
}

/* 公共样式  common style */
.container {
	max-width: 1200px;
	margin: 0 auto;
	/* 水平居中 */
}

.left {
	float: left;
}

.right {
	float: right;
}

/* 清除浮动 */
.clear {
	clear: both;
}

/* 高度塌陷 */
.clearboth::after {
	content: '';
	clear: both;
	display: block;
	width: 0;
	height: 0;
	overflow: hidden;
}


/* 弹性布局 */
.flexbox {
	display: -webkit-flex;
	display: -webkit-box;
	display: -moz-box;
	display: -ms-flexbox;
	display: flex;
}

/* 标题文本 */
.column-title {
	margin: 40px 0;
}

/* 主标题 */
.column-title h2 {
	text-align: center;
}


/* 副标题  */
.column-title h3 {
	padding-left: 10px;
	border-left: 8px solid #0281E8;
	text-align: left;
}

/* 区域文本默认设置 */
.column-text p {
	text-indent: 2em;
	line-height: 30px;
	color: #4ccfbe;
}

/* 区域图片默认修改  */
.column-img {
	overflow: hidden;
}

.column-img img {
	vertical-align: top;
}

/* 当前导航 */
.current-nav {
	color: #fff !important;
	font-size: 20px !important;
	background-color: #09d2fe !important;
	border-bottom: 2px solid #ffee34 !important;
}

/* header  */
#header {
	position: sticky;
	top: 0;
	z-index: 999;
	width: 100%;
	background-color: #fff;
	box-shadow: 0 8px 8px rgba(0, 0, 0, 0.087);
}

/* 顶部 */
.top {
	background-color: #09d2fe;
}

.loginbar li {
	float: right;
	height: 35px;
	font-size: 14px;
	color: #fff;
	line-height: 35px;
}

.loginbar li:first-child {
	float: left;
	font-weight: 900;
	font-size: 20px;
	font-family: 'Times New Roman', Times, serif;
}

.loginbar li:first-child span {
	color: #ffee34;
}

.loginbar li a:hover {
	text-decoration: underline;
}

.loginbar li:first-child a:hover {
	text-decoration: none;
}

/* banner start */
.banner-wrapper {
	height: 520px;
	color: #fff;
	/* background: url(\小组作业\picture\shouye.jpg) no-repeat center/cover; */
}

.child-banner {
	height: 420px;
	background: url(../images/banner1.jpg) no-repeat center/cover;
}

/* 导航区 */
.nav {
	background-color: #fff;
}

.nav li {
	width: 14.2%;
	height: 60px;
	float: left;
	text-align: center;
}

.nav li a {
	display: inline-block;
	width: 100%;
	height: 100%;
	font-size: 18px;
	line-height: 60px;
}

.nav li a:hover {
	text-decoration: underline;
	color: #fff;
	background-color: #09d2fe;
}

/* 底部版权声明 */
.copyright {
	height: 60px;
	font-size: 12px;
	text-align: center;
	line-height: 60px;
	background-color: #09d2fe;
	color: #fff;
}

/* 首页 */
.column-one-content {
	color: #fff;
	background-color: #57E0FF;
	background: url(../images/bg.png) no-repeat center bottom/cover;
	background-attachment: fixed;
}

.cilumn-one-img img {
	width: 100%;
}

.column-one-text {
	padding: 20px 40px;
}

.column-two {
	height: 250px;
}

.column-two-card {
	width: 15%;
	height: 180px;
	margin-right: 24px;
	text-align: center;
	box-shadow: 0 0 8px rgba(0, 0, 0, 0.153);
	transition: all .3s linear;
}

.column-two-card:last-child {
	margin: 0;
}

.column-two-card h2 {
	padding-top: 50px;
	font-size: 42px;
	color: #d2b3dd;
	transition: all .3s linear;
}

.column-two-card h3 {
	color: #702e6f;
	margin-bottom: 5px;
}

.column-two-card p {
	display: none;
	padding: 5px;
	color: #fff;
}

/* 卡片鼠标滑动效果 */
.column-two-card:hover {
	height: 200px;
	background-color: #c380c2;
}

.column-two-card:hover h2 {
	padding-top: 5px;
	color: #fff;
}

.column-two-card:hover p {
	display: block;
}

.index-video {
	width: 80%;
	margin-left: 120px;
}

.index-video video {
	vertical-align: top;
}

.column-four-img {
	float: left;
	width: 33%;
	height: 222px;
	margin-right: 4px;
	margin-bottom: 4px;
	overflow: hidden;
}

.column-four-img img {
	width: 100%;
	height: 100%;
	vertical-align: top;
	transition: transform .2s linear;
}

.column-four-img img:hover {
	-moz-transform: scale(1.1);
	-ms-transform: scale(1.1);
	-webkit-transform: scale(1.1);
	-o-transform: scale(1.1);
	transform: scale(1.1);
}


.column-four {
	margin-bottom: 40px;
}