/* nav.css：导航栏样式（精准匹配设计图） */

/* 1. 容器布局 */
/* .nav-wrapper {
    border-bottom: 3px solid #FFD700;
    background: #FFF;
} */

/* 2. 顶部快捷链接区 */
.nav-top {
	width: 1200px;
	height: 35px;
	margin: 0 auto;
	/* background-color:red; */
	display: flex;
	justify-content: right;
	align-items: center;
	padding: 4px 20px;
	font-size: 12px;
	box-sizing: border-box;
}
.top-link {
	/* width: 100px; */
	text-decoration: none;
	margin: 0 3px;
}
.top-link img {
	display: inline-block;
}
.top-link:hover {
	text-decoration: none;
	color: #FF6600;
}
.nav-boder {
	width: 100%;
	border-top: 4px solid #fff; /* 顶部黄色线条 */
}

/* 3. 主导航区 */
.nav-main {
	width: 1200px;
	height: 78px;
	display: flex;
	margin: 0 auto;
	align-items: center;
}
.nav-logo img {
	box-sizing: border-box;
	width: 120px;
	height: 114px; /* Logo 高度，可调整 */
	position: relative;
	bottom: 15px;
}

/* 4. 导航菜单项 */
.nav-menu {
	width: 1080px;
	display: flex;
	justify-content: right;
	list-style: none;
	background: url(https://static.web.sdo.com/bnb/pic/web7/home/TOP.png) no-repeat -800px -1px;
}
.nav-menu .nav-menu-item {
	width: 126px;
	height: 81px;
	margin-left: 2px;
	cursor: pointer;
	align-items: center; /* 图标与文字垂直居中 */
	position: relative;
	bottom: 2px;
	bottom: 1.5px;
}
.nav-menu .nav-menu-item:hover img {
	display: block;
}
.nav-menu .nav-submenu {
	text-align: center;
	display: none;
	position: absolute;
	top: 90%;
	left: 0;
	width: 100%;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	padding: 10px 0;
	z-index: 100;
	border-bottom-left-radius: 5px;
	border-bottom-right-radius: 5px;
	font-size: 14px;
	font-weight: bold;
    font-family: "Microsoft YaHei";
}
.nav-menu .nav-submenu li {
	/* padding: 10px 0; */
	color: #fff;
	height: 38px;
}
.nav-menu .nav-submenu li a {
	display: block;
	width: 100%;
	height: 100%;
	line-height: 38px;
}
.nav-menu .nav-submenu li:hover {
	background-color: #fff;
	color: #000;
}
.nav-menu .nav-menu-item img {
	display: none;
	/* display: block; */
}
.nav-menu .nav-active img {
	display: block;
}