body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
td {
	margin: 0;
	padding: 0;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}
a{
	text-decoration: none
}
fieldset,
img {
	border: 0;
}
ol,
ul {
	list-style: none;
}
caption,
th {
	text-align: left;
}
.clear {
	clear: both;
	display: block;
	overflow: hidden;
	visibility: hidden;
	width: 0;
	height: 0;
}

.main{
	min-width: 1200px;
	max-width: 1920px;
	margin: 0 auto;
	padding-top: 96px;
}
.main_nav{
	width: 100%;
	height: 868px;
	background: url("../image/5.png") no-repeat top center;
	background-size: 1920px 868px;
}
.main_cen{
	width: 100%;
	height: 902px;
	background: url("../image/6.png") no-repeat top center;
	background-size: 1920px 902px;
}
.main_introduce_nav{
	width: 100%;
	height: 617px;
	background: url("../image/2.png") no-repeat top center;
	background-size: 1920px 617px;
}
.head{
	position: fixed;
	top: 0;
	left: 0;
	z-index: 10;
	height: 96px;
	width: 100%;
	background: #fff;
	/* border-bottom: 4px solid #c1d4d4; */
}
.head_box{
	width: 1200px;
	margin: 0 auto;
	display: flex;
	height: 96px;
	align-items: center;
}
.logo{
	height: 56px;
	margin-right: 130px;
}
.head_text{
	width: 228px;
	height: 96px;
	line-height: 96px;
	text-align: center;
	font-size: 20px;
	color: #3b3b3b;
	cursor: pointer;
	margin: 0 20px;
	border-bottom: 15px;
	box-sizing: border-box;
}
.head_text:hover{
	background: url("../image/7.png") no-repeat center bottom;
	background-size: 228px 15px

}
.head_chenk{
	background: url("../image/7.png") no-repeat center bottom;
	background-size: 228px 15px
}
.footer_box{
	width: 100%;
	min-width: 1200px;
	height: 132px;
	background-color: #f6f6f6;
}
.footer {
	width: 1200px;
	height: 132px;
	margin: 0 auto;
	display: flex;
	justify-content: space-around;
	align-items: center ;
}
.footer_text{
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 24px;
	letter-spacing: 0px;
	color: #ccc;
	text-align: right;
}
.contact_nav{
	width: 100%;
	height: 827px;
	background: url("../image/9.png") no-repeat top center;
	background-size: 1438px 827px;
}
.contact_cen{
	min-width: 1200px;
	max-width: 1920px;
	margin: 0 auto;
	padding-top: 105px;
	text-align: center;
}
.contact_cen_box{
	width: 1200px;
	height: 451px;
	padding-bottom: 100px;
	padding-top: 85px;
	margin: 0 auto;
}
.contact_cen_box_img{
	width: 650px;
	height: 451px;
	float: left;
}
.contact_cen_box_box{
	float: left;
	height: 35px;
	padding-top: 40px;
	margin-left: 60px;
	display: flex;
}
.contact_cen_box_box_box{
	height: 35px;
	margin-left: 10px;
	text-align: left;
	color: #666666;
}