.header {
	background: url(../images/nav_back.jpg) top center; height: 80px;
}
.header .nav {
	margin: 0px auto; width: 1200px; height: 80px; line-height: 40px; font-size: 18px; position: relative; z-index: 111;
}
.header .nav li {
	 height: 40px; text-align: center; line-height: 40px; float: left;background: url(../images/nav_right.png) right center no-repeat;font-size: 1rem;width: 170px;
}
.header .nav li a {
	color: rgb(255, 255, 255);text-decoration: none; font-weight: bold;
}
.header .nav li a:hover { color: #88eaff; font-weight: bold; }
.header .nav li .second-nav {
	width: 150px; display: none; position: relative;
}
.header .nav li .second-nav li {
	background: rgb(61, 151, 214); width: 100%; height: 40px; line-height: 40px; border-top-color: rgb(78, 169, 232); border-top-width: 1px; border-top-style: solid; position: relative;
}
.header .nav li .second-nav li .third-nav {
	width: 150px; height: 200px; margin-top: -40px; margin-left: 100%; display: none;
}