html,
body{
	width: 100%;
	background: #f6f6f6;
	overflow-x: hidden;
}

ul {
	padding: 0;
}

ul li {
	list-style: none;
}

@font-face {
	font-family: 'title';
	src: url(../fonts/SOURCEHANSANSCN-NORMAL.ttf);
}

header .head {
	width: 30%;
	height: 58.5px;
	position: absolute;
	top: 0;
	left: 70%;
	background: #4587e5;
}

.header_logo img {
	width: 30px;
}

.header_logo .subtitle {
	font-size: 14px;
	letter-spacing: 1px;
}

.navbar-brand {
	font-family: 'title';
	color: #308fc4 !important;
	font-weight: bold;
	font-size: 25px;
	letter-spacing: 2px;
}

header .header_logo {
	display: flex;
	flex-direction: row;
	align-items: center;
}

.navbar {
	background: transparent;
	padding: 0;
	margin: 0;
}

.navbar-collapse {
	justify-content: flex-end;
	flex-grow: 0;
	transform: skew(25deg);
	background: #4587e5;
	height: 58.5px;
}

.navbar-collapse ul li a {
	color: white;
	transform: skew(-25deg);
}

.navbar-light .navbar-nav .nav-link {
	color: white;
	padding: 0px 30px;
	height: 58.5px;
	line-height: 58.5px;
}

.navbar-light .navbar-nav .nav-item.active {
	color: white;
	background: #356ed8;
	height: 58.5px;
}

.banner1 {
	background: url(../img/bg_head.png) no-repeat;
}

.banner1 .svg {
	position: relative;
	left: -24px;
	top: 12px;
	color: #4c75b6;
}

.banner1 .title {
	color: #4c004a;
	font-size: 16px;

	font-style: oblique;
}

.banner1 .banner1_item1 {
	height: 520px;
	background: white;
	box-shadow: 0px 0px 5px 0px rgba(94, 94, 94, 0.08);
	border-radius: 10px;
	padding: 30px 0 0;
	text-align: center;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	align-items: center;
	overflow: hidden;
}

.banner1 .banner1_item1 img {
	width: 70%;
}

.banner1 .banner1_item1 ul {
	width: 100%;
	margin: 0;
}

.banner1 .banner1_item1 ul li {
	background-color: #308fc4;
	color: white;
	text-align: left;
	border-bottom: 1px solid white;
	padding: 10px 0 10px 30px;
}

.banner1 .banner1_item2_outer {
	background: white;
	padding: 0;
	height: 520px;
	box-shadow: 0px 0px 5px 0px rgba(94, 94, 94, 0.08);
	border-radius: 10px;

}

.banner1 .banner1_item2 {
	background: url(../img/text.png) no-repeat;
	background-position: -10px -10px;
}

.banner1 .banner1_item2 .input-group {
	width: 80%;
	margin: 0 auto;
}

.banner1 .banner1_item2 ul {
	width: 90%;
	margin: 0 auto;
}

.banner1 .banner1_item2 .btns {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}

.banner1 .banner1_item2 .searchBtn {
	border-radius: 35px;
	padding: 14px 0;
	width: 90%;
	margin-top: 12px;
	color: white;
	border: none;
}

.banner1 .banner1_item2 .btn1 {
	background-color: #356ed8;
}

.banner1 .banner1_item2 .btn2 {
	background-color: #4587e5;
}

.banner1 .banner1_item3 h4 {
	color: #4587e5;
	font-size: 30px;
	letter-spacing: 4px;
	font-style: oblique;
	text-shadow: 2px 2px #bbdaec;
}

.banner1 .banner1_item3 {
	height: 520px;
	box-shadow: 0px 0px 5px 0px rgba(94, 94, 94, 0.08);
	border-radius: 10px;
	background: url(../img/bg-meeting.png) no-repeat;
	background-size: 100% 100%;
	padding: 30px 20px;
	position: relative;
}

.banner1 .banner1_item3 .title_2 {
	font-style: oblique;
	margin-top: 100px;
	font-weight: bold;
	font-size: 18px;
}

.banner1 .banner1_item3 .content {
	width: 70%;

}

.banner1 .banner1_item3 .imgBox {
	width: 70px;
	height: 70px;
	background: #4587e5;
	border-radius: 50%;
	padding: 20px;
	position: absolute;
	right: 20px;
	bottom: 20px;
}


.banner3 .platformOuter,
.banner2 .openScienceOuter {
	background: white;
	overflow: hidden;
	box-shadow: 0px 0px 5px 0px rgba(94, 94, 94, 0.08);
	border-radius: 10px;
}

.banner3 .platform {
	padding: 30px 20px;
	background: url(../img/bg_1.png) no-repeat;
	background-size: 100% auto;
	background-position: bottom left;
	position: relative;
}

.banner3 .platform h4,
.banner3 .platform h5,
.banner2 .source h4,
.banner2 .source h5,
.banner2 .openScience h4,
.banner2 .openScience h5,
.banner4 .company h4,
.banner4 .company h5 {
	color: #3572b3;
	font-style: oblique;
	font-size: 24px;
	letter-spacing: 2px;
	margin: 0;
	font-weight: normal;
}

.banner3 .platform h5,
.banner4 .company h5 {
	font-size: 12px;
	margin-top: 5px;
}

.banner3 .platform .subtitle {
	position: absolute;
	bottom: 200px;
}

.banner3 .platform .subtitle h4,
.banner3 .platform .subtitle h5 {
	color: #4c004a !important;
}

.banner3 .platform ul {
	margin: 0;
}

.banner3 .platform ul li {

	text-align: center;
	font-size: 14px;
}

.banner3 .platform ul li .imgBox {
	width: 70px;
	height: 70px;
	border-radius: 50%;
	text-align: center;
	line-height: 70px;
	background: white;
	box-shadow: 0px 0px 8px 0px rgba(49, 96, 171, 0.11);
	margin: 20px auto;
}

.banner3 .platform ul li .p1 {
	font-size: 16px;
	color: #333333;
	margin-bottom: 0;
}

.banner3 .platform ul li .p2 {
	font-size: 13px;
	margin: 4px 0 0;
	color: #6d6d6d;
}

.banner2 {
	position: relative;
	z-index: 999;
}

.banner2 .source {
	padding: 40px 30px;
	background: url(../img/bg-cen_2.png) no-repeat;
	background-size: 100% 100%;
	z-index: 100px;
}

.banner2 .source h4 {
	color: white;
}

.banner2 .source h5 {
	color: white;
	font-size: 12px;
	margin-top: 5px;
}

.banner2 .source .title {
	color: #4868df;
	font-size: 16px;
}

.banner2 .source ul,
.banner2 .openScience ul {
	padding: 0;
	margin-bottom: 0;
}

.banner2 .source ul li {
	margin: 5px 0;

}

.banner2 .source ul li:before {
	content: '●';
	color: #4868df;
	margin-right: 5px;
}

.banner2 .openScience {
	padding: 30px 20px;
	background: url(../img/bg_3.png) no-repeat;
	background: 100% auto;
	background-position: bottom right;
}

.banner2 .openScience h4 {
	font-style: normal;
}

.banner2 .openScience h5 {
	font-size: 12px;
	margin-top: 5px;
}


.banner2 .openScience ul li .news {
	border-radius: 10px;
	border: solid 1px #5e95ed;
}

.banner2 .openScience ul li .news_info {
	padding: 10px;
}

.banner2 .openScience ul li .news_info img {
	position: relative;
	width: 30px;
	left: calc(100% - 40px);
	bottom: 10px;
}

.banner2 .openScience ul li .news_info .title {
	color: #4587e5;
}

.banner2 .openScience ul li .news_info .time {
	margin-top: 4px;
	color: #a2a3a5;
	font-size: 13px;
}

.banner2 .openScience ul li .news_info p {
	font-size: 14px;
	margin-top: 10px;
}

.banner2 .right {
	background: white;
	padding: 30px 20px;
	color: #565656;
	border-radius: 10px;
	margin-bottom: 50px;
}

.banner2 .right .title {
	border-bottom: solid 1px #cccccc;
	padding-bottom: 15px;
	margin-bottom: 15px;
}

.banner2 .right .title img {
	position: relative;
	top: -2px;
}

.banner2 .right ul li {
	margin-top: 10px;
}

.banner2 .right input {
	border-radius: 4px;
	width: 100%;
	border: solid 1px #dedede;
	font-size: 14px;
	padding: 5px;

}

.banner2 .right button {
	background-color: #4587e5;
	border-radius: 5px;
	border: solid 1px #dedede;
	width: 100%;
	color: white;
	padding: 8px 0;
}

.banner4 {
	position: relative;
	top: -80px;
	background: url(../img/bg4.png) no-repeat;
	background-size: 100% 100%;
	padding-bottom: 100px;
}

.banner4 .company {
	padding: 30px 20px;
}

.banner4 .company h4 {
	font-style: normal;
}

.metting {
	position: fixed;
	top: calc(50% - 105px);
	right: 10px;
}

footer {
	background: url(../img/bg-tail.png) no-repeat;
	background-size: 100% 100%;
	font-size: 14px;
	padding: 20px 0;
	color: white;
	margin-top: -80px !important;
}

footer>div {
	text-align: center;
}



@media (max-width: 576px) {
	header .head {
		background: transparent;
	}

	header .header_logo a {
		font-size: 18px;
	}

	header .navbar-collapse {
		justify-content: flex-end;
		flex-grow: 0;
		transform: skew(0deg);
		background: #4587e5;
		height: 58.5px;
	}

	.navbar-collapse ul li a {
		color: white;
		transform: skew(0deg);
	}

	header .navbar {
		padding-top: 20px;
	}

	header .navbar-light .navbar-nav .nav-link {
		background: white;
		color: black;
	}

	.banner3 .platform .subtitle {
		position: static;
	}
}