.search-btn{
	display:none;
}
@media only screen and (max-width: 1650px) {
	.w1600{
		width: 90%;
	}

@media only screen and (max-width: 1500px) {

}
@media only screen and (max-width: 1400px) {

}
@media only screen and (max-width: 1350px) {
}
@media only screen and (max-width: 1300px) {
	.w1200{
		width: 90%;
	}
	.nav ul>li>a{
		font-size:16px;
	}
	.nav li ol a{
		font-size:14px;
	}

}
@media only screen and (max-width: 1250px) {

}
@media only screen and (max-width: 1200px) {
	.nav ul>li>a{
		font-size:15px;
	}
	.nav li ol a{
		font-size:13px;
	}
	.nav li ol{
		width:140%;
		left:-20%;
	}
}
@media only screen and (max-width: 1100px) {
}
@media only screen and (max-width: 1000px) {
	.nav .ul1{
		display:none;
	}
	.nav .ul2{
		display:block;
	}
	.menu {
		width: 28px;
		height: 21px;
		display: block;
		right: 20px;
		top: 28px;
		overflow: hidden;
		z-index: 999999999;
		cursor: pointer;
		position: absolute;
	}

	.menu span {
		float: left;
		width: 100%;
		background: #607077;
		transition: all 0.4s ease;
		margin-top: 7px;
		height: 2px;
	}

	.menu.open span {
		
	}

	.menu span:first-child {
		margin-top: 0;
	}

	.menu.open span:nth-child(1) {
		transform: rotate(45deg);
		margin-top: 10px;
	}

	.menu.open span:nth-child(2) {
		transform: rotate(-45deg);
		margin-top: -2px;
	}

	.menu.open span:nth-child(3) {
		opacity: 0;
	}
	.search{
		margin-right:20px;
	}
	.navshow {
	    overflow-y: scroll;
	    position: fixed;
	    width: 100%;
	    top: 0px;
	    left: 0px;
	}
	.header .logo{
		width:48%;
	}
	.nav ul {
	    width: 100%;
	    overflow: auto;
	    height: calc(100% - 78px);
	    border-top: 1px solid #ddd;
	}
	.nav {
	    position: fixed;
	    transition: right 0.3s ease;
	    right: -110vw;
	    top: 0;
	    left: auto;
	    width: 420px;
	    height: 100vh;
	    z-index: 999999;
	    background: #fff;
	    margin: 0;
	    top: 78px;
	}
	.nav.active {
	    right: 0;
	}
	.nav ul>li {
	    float: none;
	    width: 100%;
	    height: auto;
	    line-height:40px;
	    position: relative;
	    border-bottom: 1px solid #efefef;
	    text-align: left;
	}
	.nav ul>li>a {
	    font-size: 18px;
	    color: #000;
	    width: 80%;
	    text-indent: 20px;
	    position: relative;
	    display: block;
	}
	.nav ul li i {
	    position: absolute;
	    right: 0;
	    width: 15%;
	    height: 40px;
	    top: 0;
	    background: url(../img/jia.png) no-repeat center center;
	    margin: auto;
	    z-index: 10;
	    cursor: pointer;
	    transition: all .2s ease;
	    -moz-transition: all .2s ease;
	    -o-transition: all .2s ease;
	    -webkit-transition: all .2s ease;
	}
	.nav ul li ol {
	    width: 100%;
	    left: 0;
	    position: relative;
	    top: 0;
	    background: none;
	    text-align: left;
	    padding: 0;
	    opacity: 1;
	    display: none;
	    box-shadow: none;
	}
	.nav ul li i.on {
	    background: url(../img/jian.png) no-repeat center center;
	}
	.nav ul li ol>li {
	    text-align: left;
	    border: 0;
	    line-height: 48px;
	    position: relative;
	    text-indent: 20px;
	    border-top: 1px solid rgba(0, 0, 0, 0.2);
	    float: none;
	    margin: 0;
	    width: 100%;
	    background: none;
	    display: block;
	}
	.nav ul li ol li a {
	    font-size: 16px;
	    color: #000;
	    line-height: inherit;
	    padding: 0;
	    display: block;
	}
	.nav li ol li:hover a {
	    color: #333;
	}
	.nav li ol a{
		font-size:13px;
		border-bottom:none;
	}
}
@media only screen and (max-width: 960px) {
	.nav-ej li{
		width:16.66%;
	}
	.nav-ej li a{
		font-size: 15px;
		font-weight: normal;
	}
	.nav-ej{
		margin: 20px 0 10px;
	}

}
@media only screen and (max-width: 840px) {

	.main-box{
		margin-top:35px;
	}

}


@media only screen and (max-width: 768px) {
	.nav{
		width:100%;
	}
	.search{
		position: fixed;
		top: 0;
		left: 0;
		height: 100vh;
		width: 100%;
		background: rgba(0,0,0,0.7);
		margin: 0;
		opacity: 0;
		visibility: hidden;
		z-index: -99;
		transition: all 0.5s;
	}
	.search.active{
		opacity: 1;
		visibility: visible;
		z-index: 99999999999;
	}
	.search-box{
		height:50px;
		position:absolute;
		top:0;
		bottom:0;
		left: 0;
		right: 0;
		margin:auto;
		width: 80%;
	}
	.search .text,.search .submit{
		height:50px;
		line-height:50px;
	}
	.search .text{
		width: 85%;
		float: left;
	}
	.search .submit{
		right: 15%;
		width: 50px;
	}
	.search .close {
	    position: absolute;
	    z-index: 1;
	    top: 0;
	    bottom: 0;
	    width: 25px;
	    height: 25px;
	    cursor: pointer;
	    right: 20px;
	    transform: rotate(45deg);
	    margin: auto;
	}
	.search .close::before {
	    width: 5px;
	    height: 25px;
	    left: 10px;
	    top: 0px;
	}
	
	.search .close::before, .search .close::after {
	    position: absolute;
	    content: "";
	    background: rgb(255, 255, 255);
	    border-radius: 2px;
	}
	.search .close::after {
	    width: 25px;
	    height: 5px;
	    left: 0px;
	    top: 10px;
	}
	.header .head{border-top:none;
	height:70px;
}
	.header .logo {
	    width: 62%;
		height:70px;
	}
	.header .logo img{
		height:50px;
}
	.nav{
		top:75px;
	}
	.nav ul {
	    height: calc(100% - 75px);
	}
	.search-btn{
		display:
		block;
		background: #607077;
		width: 30px;
		height: 30px;
		position: absolute;
		right: 68px;
		top: 22px;
		border-radius: 2px;
		cursor: pointer;
	}
	.search-btn img{
		position: absolute;
		left: 0;
		right: 0;
		top: 0;
		bottom: 0;
		margin: auto;
	} 

}
@media only screen and (max-width: 580px) {

}
@media only screen and (max-width: 480px) {
	.header .logo {
	    width: 72%;
	    height: 65px;
	}
	.menu{
		top:25px;
	}
	.header .head{
		border-bottom: 0px solid #F94A00;
	}
	.nav {
	    top: 65px;
	}
	.nav ul {
	    height: calc(100% - 65px);
	}
	.search-btn{
		right: 62px;
		top: 20px;
	}
	.search-box{
		height:45px;
		width: 85%;
	}
	.search .text,.search .submit{
		height:45px;
		line-height:45px;
	}
	.search .close{
		right:0px;
	}
}