* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;

}


.nav-container {
	background-color: #fff;
	border-radius: 5px;
	box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
	margin-top: 0px;
	position: relative;
}
.nav {
	position: relative;
}
.MainMenu {
	list-style: none;
	display: flex;
	justify-content: center;
	position: relative;
}
.menu-item {
	position: static;
}
.menu-item > a {
	display: block;
	color: #2c3e50;
	text-decoration: none;
	transition: all 0.3s ease;
	border-bottom: 3px solid transparent;
	padding-top: 10px;
	padding-right: 40px;
	padding-bottom: 10px;
	padding-left: 40px;
}
.menu-item > a:hover {
	color: #FF9900;
	border-bottom-width: 3px;
	border-bottom-style: solid;
	border-bottom-color: #FF9900;
}
/* 当前栏目样式 */
.menu-item.current > a {
	color: #3498db;
	border-bottom-width: 3px;
	border-bottom-style: solid;
	border-bottom-color: #FF9900;
}
.menu-item.current > a::after {
	/*content: "●";*/
	margin-left: 8px;
	font-size: 10px;
	color: #e74c3c;
	vertical-align: super;
}
.dropdown {
	position: absolute;
	top: 100%;
	left: 0;
	width: 100vw;
	margin-left: calc(-50vw + 50%);
	margin-top:1px;
	background: white;
	box-shadow: 0 10px 0px rgba(0, 0, 0, 0.15);
	display: none;
	z-index: 1000;
	padding: 30px 0;
}
.dropdown-content {
	justify-content: center;
	/*gap: 50px;
			display: flex;
			*/
	width: 90%;
	max-width: 1200px;
	margin: 0 auto;
}
.dropdown-column {
	/* flex: 1;
            min-width: 300px;
			*/
	float: left;
	width: 100%;
	margin-bottom: 30px;
}
.menu-item:hover .dropdown {
	display: block;
	animation: fadeIn 0.3s ease;
}
.dropdown-title {
	font-size: 20px;
	color: #2c3e50;
	margin-bottom: 10px;
	font-weight: bold;
}
.dropdown-links {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 12px;
}


.dropdown-links a {
	display: block;
	padding: 12px 15px;
	color: #555;
	text-decoration: none;
	border-radius: 4px;
	transition: all 0.2s ease;
	background-color: #f8f9fa;
	font-size:13px;
}
.dropdown-links a:hover {
	background-color: #3498db;
	color: white;
	transform: translateX(5px);
}


/* 子菜单当前页标记 */
        .dropdown-links a.current {
	background-color: #FF9900;
	color: white;
	padding-left: 15px;
        }
        
        .dropdown-links a.current::before {
            content: "";
            position: absolute;
            left: 15px;
            font-size: 13px;
        }







 @keyframes fadeIn {
 from {
 opacity: 0;
 transform: translateY(10px);
}
to {
	opacity: 1;
	transform: translateY(0);
}
}