body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textatea,p,blockquote,th,td{margin:0; padding:0;}
.yd_bg {
    background: url('../images/ld_bg.jpg') repeat-x top #c4e45f;
}
.yd_logo {
	margin: 0 auto;
	width: 720px;
	height: 200px;
	margin-top: 160px;
	margin-bottom: 200px;
	overflow: hidden;
}
.yd_content {
    margin: 0 auto 20px;
    width: 600px;
    overflow: hidden;
}
.yd_content>ul{
	display: -webkit-flex;
	display: -moz-flex;
	display: -ms-flex;
	display: -o-flex;
	display: flex;
	-ms-align-items: center;
	align-items: center;
	justify-content: space-between;
}
.yd_content>ul li{
	list-style: none;
}
.yd_content>ul .site-item{
	text-align: center;
}
.yd_content>ul .site-item a{
	color: #fff;
	text-decoration: none;
	font-size: 18px;
	font-family: 'Arial';
}
.yd_content>ul .site-item a img{
	max-width: 100px;
}
.yd_content .site-item .item-title{
    display: block;
    margin-top: -20px;	
}