* {
    margin: 0;
    padding: 0;
font-family:'微软雅黑';
}

a {
    text-decoration: none;
}

.top {
    width: 100%;
    height: 346px;
    background-image: url(../images/header_bg.jpg);
    overflow: hidden;
    background-repeat: no-repeat;
    background-position: center;
}

.top .top_img {
    
    
    width: 100%;
    height: 286px;
    margin: auto;
}

.top .top_img ul {
    float: right;
    margin-top: 10px;
}

.top .top_img ul li {
    list-style: none;
    display: block;
    float: left;
    margin: 0 10px 0 10px;
}

.top .top_img ul li a {
    font-size: 14px;
    color: white;
}

.top .top_img .top_logo {
    width: 1200px;
    height: 220px;
    margin: auto;
}

.top .top_img .top_logo .logo {
    background-image: url(../images/logo_dyw.png);
    background-size: 271px 105px;
    width: 271px;
    height: 105px;
    display: inline-block;
    margin-left: 80px;
    margin-top: 70px;
}

.sousuo_div {
    width: 1200px;
    height: 230px;
    overflow: hidden;
}

.sousuo {
    width: 400px;
    height: 40px;
    border: 1px white solid;
    border-radius: 40px;
    float: right;
    margin-top: 87px;
    margin-right: 105px;
    background-color: white;
}
.sousuo input:-webkit-autofill { -webkit-box-shadow: 0 0 0 1000px white inset !important; }
.sousuo #q {
    width: 85%;
    height: 36px;
    line-height: 36px;
    outline: 0;
    border: none;
    font-size: 16px;
    /* color: #89a2c6; */
    float: left;
    text-indent: 2em;
    background: none;
    border-radius: 42px;
margin-top:1px;
margin-left:1px;
}

.sousuo #sousuo_butt {
    width: 10%;
    height: 40px;
    outline: 0;
    border: none;
    float: left;
    cursor: pointer;
    background: url(../images/sousuo.png) no-repeat center;
    background-size: 100px 40px;
}

.sousuo .ss {
    width: 20%;
    height: 40px;
    float: right;
}

.sousuo .shuxian {
    float: left;
    width: 1px;
    height: 20px;
    background-color: #6699cc;
    margin-top: 10px;
}

.sousuo .jiqun {
    float: right;
    height: 40px;
    margin-right: 15px;
}

.sousuo a {
    line-height: 40px;
    color: white;
    font-size: 13px;
}

input::-moz-placeholder {
    color: black;
    font-size: 13px;
}

input::-ms-input-placeholder {
    color: black;
    font-size: 13px;
}

input::-webkit-input-placeholder {
    color:black;
    font-size: 13px;
}

.nav {
    width: 100%;
    height: 60px;
    background-color: rgb(73, 111, 176);
    margin: auto;
}


/*.nav ul{
	width: 1200px;
	border-left: 1px solid ghostwhite;
	margin: auto;
	text-align: center;
	height: 60px;
}
.nav ul li{
	background-color: #336699;
	border-right: 1px solid ghostwhite;
	float: left;
	display: block;
	line-height: 58px;
	list-style: none;
	width: 169px;
	height: 58px;
}*/

.nav ul {
    width: 1200px;
    border-left: 1px solid ghostwhite;
    margin: auto;
    height: 60px;
    display: table;
}

.nav ul li {
    border-right: 1px solid ghostwhite;
    list-style: none;
    width: 100px;   
    display: table-cell;
    text-align: center;
    line-height: 58px;
    font-size: 24px;
}


/*.nav ul li:first-child::after{
	content: '';
	width: 0px;
	height: 0px;
	border-bottom: 10px solid white;
	border-left: 10px solid #336699 ;
	border-right: 10px solid #336699;	
	background-color: white;
}*/


.nav ul li a {
    font-size: 22px;
    margin: auto;
    color: white;
    display: block;
}