* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	margin: 0;
	padding: 0;
	font-size: 16px;
	line-height: 180%;
	display: block;
	background: #fff;
	font-family: "Microsoft YaHei";
	-webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
strong,
em {
	padding: 0;
	margin: 0;
	font-style: normal;
	font-weight: normal;
}

a:link,
a:visited {
	color: #333;
	text-decoration: none;
	float: none;
}

a:hover {
	color: #1b81d7;
}

ul,
li {
	padding: 0;
	margin: 0;
	list-style: none;
}

img {
	border: none;
}

.clear {
	clear: both;
}

nav {
	width: 100%;
	height: 50px;
	line-height: 50px;
	background-color: #1b81d7;
}

.navmenubox {
	width: 100%;
	height: 40px;
	line-height: 40px;
}

.navmenubox ul li {
	display: block;
	height: 50px;
	font-size: 24px;
	letter-spacing: 2px;
	width: 20%;
	text-align: center;
	color: #ffffff;
	float: left;
}

.navmenubox li:hover {
	background-color: #0265b9;
}

.navmenubox li:active {
	background-color: #0265b9;
}

.homechildbox {
	width: 1200px;
	height: 130px;
	position: absolute;
	float: left;
	z-index: 9999;
	visibility: hidden;
	background: rgba(255, 255, 255, 0.86);
	clear: both;
}

.homechildbox .deom {
	width: 0;
	height: 0;
	margin-left: 112px;
	border-style: solid;
	border-width: 10px 10px 0 10px;
	border-color: #0265b9 transparent transparent transparent;
}

.homechildbox ul li {
	display: block;
	height: 36px;
	margin: 0 16px;
	float: left;
}

@media screen and (max-width:1920px) {
	.containbox {
		width: 1000px;
	}

	.containbox {
		margin: 0 auto;
	}

	nav {
		height: 40px;
		line-height: 40px;
	}

	.navmenubox ul li {
		height: 40px;
		line-height: 40px;
		font-size: 20px;
	}

	.homechildbox {
		width: 1000px;
		height: 84px;
	}
}

@media screen and (max-width:900px) {
	.containbox {
		width: 100%;
	}

	.containbox {
		margin: 0 auto;
	}

	.homechildbox {
		width: 100%;
	}

	.homechildbox .deom {
		margin-left: 44px;
	}

	.homechildbox ul li {
		margin: 0 12px;
	}
}


.containbox {
	position: relative;
}


.homechildbox {
	top: 40px;
}
@media screen and (min-width: 10px) and (max-width: 450px){
	.navmenubox ul li {
		display: block;
		letter-spacing: 2px;
		width: 25%;
		text-align: center;
		color: #ffffff;
		float: left;
		height: 40px;
		font-size: 18px;
	}
	
}