.wraper {
	margin: 0px auto; width: 1100px;
}
.nav {
	width: 100%; height: 40px; overflow: hidden; position: relative; background-color: rgb(18, 125, 167);
}
.nav-item {
	width: 105px; height: 40px; text-align: center; line-height: 40px; font-size: 14px; float: left; position: relative; z-index: 1;
}
.nav-item a {
	height: 40px; color: rgb(255, 255, 255); display: block;
}
.nav-item a:hover {
	color: rgb(255, 255, 255);
}
.move-bg {
	left: 0px; top: 0px; width: 105px; height: 40px; display: none; position: absolute; z-index: 0; background-color: rgb(0, 81, 124);
}