@import url('./reset.css');

.warp {
	width: 1200px;
	margin: 0 auto;
}

/* 头部 */
.g-hd {
	height: 100px;
	background-color: #0A64D8;
}
.g-hd .warp {
	position: relative;
}
.g-hd .lang {
	position: absolute;
	right: 0px;
	color: #fff;
	display: flex;
	align-items: center;
}
.g-hd .lang a {
	display: inline-block;
	color: #fff;
	padding: 0px 3px;
	padding-top: 4px;
}
.ph {
	position: absolute;
	width: 27px;
	top: 12px;
	right: 6px;
	display: none;
}

.hd-logo {
	line-height: 100px;
}

.hd-line {
	display: inline-block;
	vertical-align: middle;
	width: 0;
	height: 100px;
}

.hd-line::after {
	content: '';
	width: 1px;
	height: 24px;
	background-color: #ffffff;
	position: absolute;
	right: 12px;
	top: 38px;
}

.clearfix:before,
.clearfix:after {
    display: block;
    content: " ";
    clear: both;
}
.hd-nju {
	/* width: 215px; */
    float: left;
    width: 100px;
	margin: 0 25px 0 0;
}

.hd-logo p {
    float: left;
    color: #fff;
    font-size: 16px;
}

.hd-physics {
	width: 205px;
}

.hd-nav {
	line-height: 100px;
	margin: 0 0 0 521px;
	display: flex;
	justify-content: space-between;
}

.hd-nav a {
	color: #ffffff;
}

.hd-nav .nav-list a {
	display: block;
}

.hd-search {
	display: inline-block;
	width: 16px;
	height: 16px;
	background-image: url('cpy_3.png');
}

.hd-nav-item {
	position: relative;
}

.hd-nav-item::after {
	content: '';
	width: 140%;
	height: 3px;
	background-color: #ffffff;
	position: absolute;
	left: -20%;
	bottom: 0;
	transition: ease-in-out 0.5s;
	visibility: hidden;
}

.hd-nav-item::before {
	content: '';
	width: 0;
	height: 0;
	border-width: 6px;
	border-style: solid;
	border-color: transparent transparent #ffffff transparent;
	position: absolute;
	bottom: 3px;
	left: 50%;
	margin: 0 0 0 -6px;
	transition: ease-in-out 0.5s;
	visibility: hidden;
}

.hd-nav-item:hover::after,
.hd-nav-item:hover::before {
	visibility: visible;
}

/* 内容区域 */
.g-mn {
	background-image: url('cpy_8.png');
	background-repeat: no-repeat;
	background-position: right bottom;
}

/* nav */

.hd-nav-item:hover .nav-list {
	max-height: 450px;
}

/* phone */
/* phone */
.phone {
	position: fixed;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	overflow: auto;
	background-color: #242424;
	transition: all .3s ease-out;
	z-index: 9999999999;
	color: #989898;
}

.home {
	position: absolute;
	top: 20px;
	right: 20px;
	width: 30px;
	height: 30px;
	text-align: center;
	line-height: 30px;
	display: none;
	z-index: 10;
}

.home img {
	width: 100%;
}

.phone .one {
	height: 50px !important;
	line-height: 62px;
	font-size: 30px;
	border: 0;
	padding: 0 20px;
	overflow: hidden;
}

.phone .fl {
	float: left;
}

.phone .fr {
	font-size: 30px;
	float: right;
}

.phone ul li a {
	display: block;
	color: #fff;
	width: 80%;
	height: 100%;
	line-height: 40px;
	font-size: 20px;
	opacity: .9;
}

.phone ul li .hd-search {
	background-size: 16px;
	background-position: 80px 14px;
}

.phone ul li {
	height: auto;
	border-bottom: 1px solid #989898;
	padding: 5px 10px;
	position: relative;
}

.phone ul li .pd {
	padding-left: 35px;
	display: none;
}

.phone ul li .pd .pds {
	position: relative;
	border-bottom: 1px dashed #989898;
}

.phone ul li .pd a {
	line-height: 40px;
}

.phone ul li .sanjiao {
	width: 0px;
	height: 0px;
	border-top: 8px solid #ccc;
	border-left: 5px solid transparent;
	border-right: 5px solid transparent;
	position: absolute;
	top: 23px;
	right: 20px;
	z-index: 199296329999999999;
	transition: all .3s;
}

/* end */
.hd-nav .nav-list {
	background-color: rgba(0, 0, 0, 0.5);
	position: absolute;
	left: 50%;
	top: 100%;
	line-height: 43px;
	font-size: 16px;
	font-weight: normal;
	padding: 0 10px;
	max-height: 0;
	overflow: hidden;
	transition: max-height linear 0.2s;
	z-index: 9;
	transform: translateX(-50%);
	width: auto;
	min-width: 200px;
	text-align: center;
}

/* 底部 */
.g-ft {
	background-image: url('cpy_4.png');
}

.ft-channel {
	color: #ffffff;
	font-size: 24px;
	font-weight: bold;
	position: relative;
	display: inline-block;
	margin: 0 0 15px;
}

.ft-channel::after {
	content: '';
	width: 130%;
	height: 2px;
	background-color: #ffffff;
	position: absolute;
	bottom: -5px;
	left: 0;
}

.ft-infoBox {
	padding: 40px 0;
	display: flex;
	justify-content: space-between;
}

.ft-link {
	flex: 0 1 350px;
}

.ft-logo {
	flex: 0 1 500px;
	text-align: center;
	align-self: center;
}

.ft-contact {
	flex: 0 1 300px;
}

.ft-link-info {
	display: flex;
	flex-wrap: wrap;
}

.ft-link-info a {
	width: 47%;
	font-size: 14px;
	line-height: 30px;
	color: #d1d2d2;
}

.ft-line {
	display: inline-block;
	vertical-align: middle;
	width: 0;
	height: 100px;
}

.ft-line::after {
	content: '';
	width: 1px;
	height: 24px;
	background-color: #ffffff;
	position: absolute;
	right: 12px;
	top: 38px;
}

.ft-nju {
	width: 215px;
	margin: 0 25px 0 0;
}

.ft-physics {
	width: 205px;
}


.ft-copyright {
	height: 50px;
	line-height: 50px;
	color: #9f9f9f;
	text-align: center;
	background-color: #121212;
}

.ft-contact-item {
	display: table;
	font-size: 14px;
	line-height: 30px;
}

.ft-contact-tag,
.ft-contact-info {
	display: table-cell;
	color: #d1d2d2;
}

.ft-contact-tag {
	font-weight: bold;
	white-space: nowrap;
	padding: 0 5px 0 0;
}

.ft-contact-tag img {
	width: 14px;
	margin: -3px 5px 0 0;
}

@media screen and (max-width: 1280px) {
	.warp {
		width: 95%;
	}

	.g-hd {
		height: auto;
	}

	.g-hd .warp {
		display: flex;
		flex-wrap: wrap;
		justify-content: space-between;
		align-items: center;
	}

	.hd-nav {
		margin: 0;
		width: 100%;
	}

	.ft-infoBox {
		flex-wrap: wrap;
	}

	.ft-logo {
		width: 100%;
		order: 1;
		flex: initial;
	}
}

@media screen and (max-width: 685px) {

	.ft-link,
	.ft-contact {
		flex: 0 1 100%;
		display: flex;
		justify-content: flex-start;
		flex-direction: column;
	}

	.ft-link .ft-channel::after {
		width: 90px;
	}

	.ft-channel::after {
		width: 180px;
	}

	.ft-copyright {
		height: auto;
		line-height: 30px;
	}
}

@media screen and (max-width: 500px) {
	.hd-nav {
		display: none;
	}

	.ft-nju,
	.hd-nju {
		width: 46%;
		margin: 0 22px 0 0;
	}

	.ft-physics,
	.hd-physics {
		width: 43%;
	}

	.ph {
		display: block;
	}
}