@charset "utf-8";
body{}
.ydbody{background:url(../images/637714472490048828.jpg) no-repeat;background-size:100% 100%;width:100%;height:100vh;position: relative;}
.ydlogo{
    position: absolute;
    top: 10vh;
    left: 5vw;
}
.ydcontent{    width: 450px;
    height: 200px;
    position: absolute;
    left: 55%;
    top: 30%;
    z-index: 4;}

.ydy_nav {
   width: 80%;
   display: flex;
    justify-content: space-around;
    margin:0 auto;
}

.clearFix {
    zoom: 1;
}

.ydy_nav li {
    width: 110px;
    height: 43px;
    float: left;    list-style-type: none;
}
.ydy_nav li a.zw {
    background-position: -1px 0px;
}
.ydy_nav li a.yw {
    background-position: -109px 0px;
}
.ydy_nav li a.ew {
    background-position: -216px 0px;
}
.ydy_nav li a {
    display: block;
    width: 110px;
    height: 43px;
	color:#d6b572;
	font-size:18px;
	background-color:#ffffff;
	text-align:center;
	line-height:43px;
	border-radius:35px;
	text-decoration:none;
	
}
.ydy_nav li:hover a{
color:#ffffff;background-color:#d6b572;
}
/*end*/