*,
html {
	margin: 0;
	padding: 0;
	/* background-color: #eef5f6; */
}

body {
	/* background-color: #c2cecd; */
	background-color: #ffffff;
}

img {
	width: 100%;
	/* height: 100%; */
}

ul li {
	list-style: none;

}

a {
	list-style: none;
	text-decoration: none;
}

.contain_box {
	/* max-width: 1920px; */
	/* width: 100%; */
	/* min-width: 1900px; */
	height: auto;
	margin: 0 auto;
	background-color: #fff;

	display: flex;
    justify-content: space-around;
    flex-direction: column;
    align-items: center;
}
.banner_box{
	display: flex;
	justify-content: space-around;
}

@media screen and (max-width:1355px) {
	.head_img>img {
		width: 100vw;
		min-width: 1200px;
		/* max-width: 1355px; */
	}
	.foot{
		width: 100vw;
		min-width: 1200px;
	}

	/* .head_nav {
		width: 1194px;
		width: 100%;
	} */
	.nav_list ul li a {
		font-size: 14px;
	}

	.phone {
		font-size: 12px;
	}
	.tab li{
		font-size: 14px;
		padding: 10px 0px;
	}
	.contain_box{
		min-width: 1200px;
	}
	.content{
		width: 994px;
	}
	.head_nav_box {
		width: 994px;
	}
	.tab{
		width: 994px;
	}
	.menu_content{
		width: 994px;
	}

	.menu_nav,.menu_nav a {
		font-size: 12px;
	}
	.dianhua .tel span{
		font-size: 12px;
	}
	.menu_nav .nav_title{
		font-size: 12px;
	}
}

@media screen and (min-width:1356px) and (max-width:1559px) {
	/* .head_img>img {
		width: 100vw;
		max-width: 1559px;
		min-width: 1356px;
	} */

	/* .head_nav {
		width: 1444px;
		width: 100%;
	} */
	.nav_list ul li a {
		font-size: 16px;
	}

	.phone {
		font-size: 12px;
	}
	.tab li{
		font-size: 16px;
		padding: 12px 0px;
	}
	.contain_box{
		/* width: 1244px; */
	}
	.content{
		width: 1244px;
	}
	.head_nav_box {
		width: 1244px;
	}
	.tab{
		width: 1244px;
	}
	.menu_content{
		width: 1244px;
	}
	.menu_nav,.menu_nav a{
		font-size: 12px;
	}
	.dianhua .tel span{
		font-size: 14px;
	}
	.menu_nav .nav_title{
		font-size: 14px;
	}
}

@media screen and (min-width:1560px) and (max-width:1795px) {
	/* .head_img>img {
		width: 100vw;
		max-width: 1795px;
		min-width: 1560px
	} */


	/* .head_nav {
		width: 1700px;
		width: 100%;
	} */
	.nav_list ul li a {
		font-size: 20px;
	}

	.phone {
		font-size: 18px;
	}
	.tab li{
		font-size: 20px;
		padding: 15px 0px;
	}
	.contain_box{
		/* width: 1500px; */
	}
	.content{
		width: 1500px;
	}
	.head_nav_box {
		width: 1500px;
	}
	.tab{
		width: 1500px;
	}
	.menu_content{
		width: 1500px;
	}
	.menu_nav,.menu_nav a{
		font-size: 14px;
	}
	.dianhua .tel span{
		font-size: 16px;
	}
	.menu_nav .nav_title{
		font-size: 16px;
	}
}

@media screen and (min-width:1796px) {
	.head_img>img {
		width: 100vw;
		max-width: 2300px;
		min-width: 1790px;
	}
	.foot{
		width: 100vw;
		max-width: 2300px;
		min-width: 1790px;
	}
	
	/* .head_img>img {
		width: 2200px
	} */
	/* .head_nav {
		width: 2036px;
	} */

	.head_img {
		/* width: 1636px; */
	}

	.nav_list ul li a {
		font-size: 23px;
	}

	.phone {
		font-size: 22px;
	}
	.tab li{
		font-size: 20px;
		padding: 20px 0px;
	}
	.contain_box{
		/* width: 1736px; */
	}
	.content{
		width: 1736px;
	}
	.head_nav_box {
		width: 1736px;
	}
	.tab{
		width: 1736px;
	}
	.menu_content{
		width: 1736px;
	}
	
	.menu_nav,.menu_nav a{
		font-size: 14px;
	}
	.dianhua .tel span{
		font-size: 18px;
	}
	.menu_nav .nav_title{
		font-size: 16px;
	}
}

.header-wrap {
	position: absolute;
	width: 100%;
	/* height: 64px; */
	z-index: 1000;
	top: 0
}

.content {
	/* width: 100%; */
	height: auto;
	position: relative;
	background-color: #fff;

	display: flex;
    flex-direction: column;
    align-items: center;
}

.head_nav {
	/* max-width: 1920px; */
	/* width: 100%; */
	/* min-width: 994px; */
	/* height: 966px; */
	/* background: url('../images/top_img.jpg') no-repeat;
    background-size: 100% 100%; */
	color: white;
	position: relative;

	display: flex;
	justify-content: space-around;
}

.head_img {
	/* width: 100%; */
	height: auto;
	position: relative;

	display: flex;
    justify-content: center;
}

.head_nav_box {
	/* width: 70%; */
	margin: 0 auto;
	/* position: absolute; */
}

.nva_logo {
	/* max-width: 1920px; */
	width: 100%;
	/* min-width: 1900px; */
	display: flex;
	flex-direction: row;
	/* margin-top: 35px; */
	padding-top: 35px;
	/* height: 250px;
    line-height: 250px; */
}

.logo_img {
	/* width: 252px; */
	width: 19%;
	height: auto;
	/* height: 75px; */
	/* margin-left: 335px; */
	/* margin-left: 10%; */
}

.nav_list {
	width: 70%;
	/* margin-top: 12px;
    margin-left: 200px; */
	margin-left: 2%;
	margin-top: 2%;
}

.nav_list ul li {
	float: left;
	/* margin-right: 56px;
    padding-bottom: 11px; */
	margin-left: 5%;
	margin-bottom: 1%;
}

.nav_list ul li a {
	color: white;

	font-weight: 300;
}

.on {
	border-bottom: 1px solid #fff;

}

.phone {
	width: 13%;
	margin-top: 2.5%;
	color: white;
	/* font-size: 22px; */
	/* margin-left: 60px;
    margin-top: 12px; */
}


/* tab切换开始 */
.tab {
	position: absolute;
	bottom: 0;
	/* max-width: 1920px;
	width: 100%; */

	/* min-width: 1900px; */
	/* height: 70px; */
	margin: 0 auto;
	/* background: #656363;
    opacity: 0.35;
    z-index:99; */
}

.tab ul ,.tab_ul{
	/* width: 1300px;
	height: 70px; */
	/* margin-left: 350px; */
	margin: 0 auto;
	list-style: none;
	position: relative;
	width: 82%;
	
}

.tab li {
	cursor: pointer;
	display: block;
	float: left;
	text-align: center;
	text-decoration: none;
	width: 19%;
	/* height: 70px;
	line-height: 70px; */
	margin: 0 2px;
	position: relative;
	top: 1px;
	z-index: 9999;
}

.tab li.curr {
	background: url('../images/nav_background.png') no-repeat;
	background-size: 100% 100%;
}

/* .cc {
	border:1px solid #ccc;
	padding:10px;
} */
/* tab切换结束 */



/* 底部开始 */
.foot {
	width: 100%;
	height: 310px;
}

.foot_menu {
	width: 100%;
	height: 240px;
	background: #373D41;
}

.menu_content {
	/* width: 72%; */
	height: 240px;
	margin: 0 auto;
	display: flex;
	/* flex-direction: row;
	justify-content: space-between;
	padding-top: 75px; */
	align-items: center;
}

.menu_nav {
	width: 60%;
	/* height: 100px; */
	/* font-size: 14px; */
	color: #D7D8D9;
	padding-right: 20px;
	border-right: 1px solid #4B5054;
	display: flex;
    flex-direction: column;
	justify-content: center;
}

.menu_nav li {
	height: 25px;
	line-height: 25px;
}

.menu_nav a {
	/* font-size: 14px; */
	color: #C3C5C6;
}

.line02 {
	display: block;
	width: 20px;
	height: 1px;
	background-color: #D7D8D9;
	margin-top: 15px;
}

.aboutUs {
	display: inline-block;
}

.aboutUs li {
	float: left;
	padding-left: 5px;
	padding-right: 5px;
}

.menu_nav .nav_title {
	/* font-size: 16px; */
	color: #D7D8D9;
	font-weight: 600;
}

.contact {
	width: 40%;
	padding-left: 20px;
	/* margin-left: 63px; */
	display: flex;
	justify-content: flex-end;
	flex-direction: row;
	font-size: 16px;
	font-family: PingFang;
	font-weight: 500;
	color: #D7D8D9;
	align-items: center;
	/* height: auto; */
}

.dianhua{
	width: 50%;
}
.dianhua img {
	display: inline-block;
	/* padding-top: 10px; */
}

.dianhua .tel span {
	display: inline-block;
	margin-left: 8px;
	/* font-size: 18px; */
	font-family: Microsoft YaHei;
	font-weight: bold;
	color: #EAEAEA;
	padding-top: 10px;

}

.ewm {
	/* width: 40%; */
	height: 150px;
	/* margin-left: 60px;
	margin-top: -30px; */
}

.foot_bq {
	width: 100%;
	height: 70px;
	background: #2A2E31;
	font-size: 12px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #777777;
	line-height: 25px;
	text-align: center;
	padding-top: 17px;
}

/* 底部结束 */