.w1520 {
	width: 79%;
	margin: 0 auto;
}
header li{
	float: left;
}
header {
	position: relative;
	z-index: 10;
	transition: transform 0.5s ease 0s;
	height: 100px;
	min-width: 1280px;
	/*font-family: '黑体';*/
}
header .header-main {
	width: 100%;
	padding-top: 24px;
	background-color: #fff;
	transition: padding 0.3s ease 0s, transform 0.5s ease 0s;
	/*position: fixed;
	left: 0;
	top: 0;*/
	min-width: 1280px;
}
header .logo img {
	transition: all 0.3s ease 0s;
}
header .nav-link {
	position: relative;
	margin-top: 4px;
}
header .nav-link .nav {
	line-height: 40px;
	font-size: 14px;
	transition: all 0.3s ease 0s;
}
header .nav-link .nav a.tit-a {
	color: #333;
	display: inline-block;
	transition: all 0.3s ease 0s;
	line-height: 40px;
}
header .nav-link .nav a.tit-a:hover {
	color: #888;
}
header .nav-link .nav li {
	padding-left: 36px;
	height: 40px;
	padding-bottom: 32px;
	transition: all 0.3s ease 0s;
	position: relative;
}
header .nav-link .nav li.cur a.tit-a {
	color: #888;
}
header .nav-link .nav li .sub-nav{
	position: fixed;
	top: 100px;
	left: 0;
	width: 100%;
	background-color: #fff;
	height: 50px;
	z-index: 2;
	border-top: 1px solid #ddd;
	border-bottom: 1px solid #ddd;
	display: none;
}
header .nav-link .nav li .sub-nav dl{
	float: right;
	width: 736px;
}
header .nav-link .nav li .sub-nav dd{
	margin-right: 60px;
	font-size: 14px;
	line-height: 47px;
	padding-top: 4px;
	position: relative;
	float: left;
}
header .nav-link .nav li .sub-nav dd a{

}
header .nav-link .nav li .sub-nav dd a {
	display: inline-block;
	color: #777;
}
header .nav-link .nav li .sub-nav dd i {
	display: block;
	width: 0;
	position: absolute;
	left: 50%;
	bottom: 0;
	height: 3px;
	background-color: #333;
}
header .nav-link .nav li .sub-nav dd:hover a {
	color: #333;
}
header .nav-link .nav li .sub-nav dd:hover i {
	left: 0;
	width: 100%;
	transition: all 0.4s ease 0s;
}
header .nav-link .nav li .sub-nav dd.hover a {
	color: #333;
}
header .nav-link .nav li .sub-nav dd.hover i {
	left: 0;
	width: 100%;
}
header .nav-link .nav .line {
	display: inline-block;
	width: 1px;
	height: 11px;
	background-color: #ccc;
	float: left;
	margin-left: 33px;
	margin-top: 16px;
}
header .nav-link .extra-nav {
	color: #333;
}
header .nav-link .sub-menu {
	width: 722px;
	position: absolute;
	left: 0;
	top: 72px;
	background-color: #fff;
	display: none;
}
header .nav-link .sub-menu .boxs {
	border-top: 1px solid #444444;
	display: none;
}
header .nav-link .sub-menu ul {
	width: 236px;
	border: 1px solid #d0d0d0;
}
header .nav-link .sub-menu li {
	border-top: 1px solid #d0d0d0;
	line-height: 44px;
	font-size: 12px;
	line-height: 24px;
	width: 100%;
	transition: background 0.3s ease 0s;
}
header .nav-link .sub-menu li a {
	display: block;
	width: 186px;
	padding: 10px 25px;
}
header .nav-link .sub-menu li:hover {
	background-color: #eee;
}
header .nav-link .sub-menu li:first-child {
	border-top: none;
}
header .nav-link .sub-menu .img-box {
	padding-top: 13px;
	margin-left: 12px;
	padding-bottom: 10px;
}
header .nav-link .sub-menu .img-box .img {
	display: block;
	width: 225px;
	position: relative;
	margin-right: 10px;
	float: left;
}
header .nav-link .sub-menu .img-box .up-tit {
	display: block;
	width: 100%;
	text-align: center;
	position: absolute;
	left: 0;
	top: 50%;
	margin-top: -42px;
}
header .nav-link .sub-menu .img-box .up-tit p {
	font-size: 70px;
	font-family: "Trump";
	color: #fff;
	line-height: 80px;
}
header .nav-link .sub-menu .img-box .up-tit .line {
	display: block;
	width: 78px;
	height: 4px;
	margin: 0 auto;
	background-color: #fff;
}
header .extra-link {
	margin-left: 28px;
	margin-top: 4px;
}
header .extra-link a {
	display: inline-block;
	height: 40px;
	width: 22px;
	margin-left: 15px;
	float: left;
}
header .extra-link .link1 {
	background: url(../img/ico_01.png) no-repeat center;
}
header .extra-link .link2 {
	background: url(../img/ico_02.png) no-repeat center;
}
header .extra-link .link3 {
	background: url(../img/ico_03.png) no-repeat center;
}
header .extra-link .link4 {
	background: url(../img/ico_04.png) no-repeat center;
}
header .m-btn {
	width: 22px;
	height: 20px;
	padding: 12px;
	display: none;
	cursor: pointer;
	margin-top: 3px;
}
header .m-btn .box {
	display: block;
	width: 100%;
	height: 100%;
	position: relative;
}
header .m-btn .line {
	display: block;
	width: 100%;
	height: 2px;
	background-color: #1d1d1d;
	position: absolute;
	left: 0;
	transition: width 0.3s ease 0s;
}
header .m-btn .line1 {
	width: 12px;
	top: 0;
}
header .m-btn .line2 {
	width: 20px;
	top: 6px;
}
header .m-btn .line3 {
	width: 16px;
	top: 13px;
}
header .m-btn.cur .line1, header .m-btn.cur .line2, header .m-btn.cur .line3 {
	width: 100%;
}

header.fixed .header-main {
	position: fixed;
	left: 0;
	top: 0;
}

@media (max-width: 1440px){
	.w1520 {
	    width: 89%;
	}
	header .nav-link .nav li {
	    padding-left: 26px;
	}
	header .nav-link .nav .line {
	    margin-left: 26px;
	}
}