.site-header {
	width: 100%;
	position: sticky;
	top: 0;
	z-index: 40;
	background: rgba(255, 255, 255, 0.9);
	backdrop-filter: blur(14px);
	border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header .inner {
	max-width: 1160px;
	margin: 0 auto;
	padding: 18px 28px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 18px;
}

.site-header .brand {
	font-weight: 700;
	font-size: 18px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: #1e293b;
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	gap: 10px;
}

.site-header .brand::before {
	content: "";
	width: 32px;
	height: 32px;
	border-radius: 10px;
	/* background: linear-gradient(135deg, rgba(79, 140, 255, 0.9), rgba(110, 231, 183, 0.8)); */
	background-image: url('/static/logo/logo-small.png');
	background-size: 100% 100%;
	box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.site-header nav {
	display: flex;
	align-items: center;
	gap: 18px;
}

.site-header nav a {
	color: #64748b;
	text-decoration: none;
	font-size: 14px;
	letter-spacing: 0.01em;
	padding: 8px 12px;
	border-radius: 10px;
	transition: background 0.2s ease, color 0.2s ease;
}

.site-header nav a:hover {
	background: rgba(0, 0, 0, 0.04);
	color: #0f172a;
}

.site-header nav .user {
	color: #475569;
	margin-right: 6px;
	font-size: 14px;
}

@media (max-width: 820px) {
	.site-header .inner {
		padding: 14px 18px;
		gap: 14px;
	}

	.site-header .brand {
		font-size: 16px;
	}

	.site-header .brand::before {
		width: 28px;
		height: 28px;
	}

	.site-header nav {
		gap: 14px;
	}

	.site-header nav a {
		font-size: 13px;
		padding: 7px 10px;
	}
}

@media (max-width: 640px) {
	.site-header .inner {
		padding: 12px 16px;
		flex-wrap: wrap;
		gap: 10px;
	}

	.site-header .brand {
		font-size: 15px;
	}

	.site-header .brand::before {
		width: 26px;
		height: 26px;
	}

	.site-header nav {
		width: 100%;
		justify-content: flex-start;
		flex-wrap: wrap;
		gap: 8px;
	}

	.site-header nav a {
		font-size: 13px;
		padding: 6px 10px;
	}

	.site-header nav .user {
		font-size: 13px;
	}
}

/* 产品下拉菜单 */
.site-header .nav-item {
	position: relative;
	display: flex;
	align-items: center;
}

.site-header .nav-item.with-dropdown .nav-link {
	cursor: pointer;
	position: relative;
}

.site-header .nav-item.with-dropdown .nav-link::after {
	content: "▼";
	font-size: 10px;
	margin-left: 4px;
	opacity: 0.6;
}

.site-header .dropdown-menu {
	position: absolute;
	top: 100%;
	left: 0;
	margin-top: 8px;
	min-width: 280px;
	background: #ffffff;
	border-radius: 12px;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
	border: 1px solid rgba(0, 0, 0, 0.08);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-8px);
	transition: all 0.2s ease;
	z-index: 100;
	padding: 8px 0;
}

.site-header .nav-item.with-dropdown:hover .dropdown-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.site-header .dropdown-item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px 16px;
	color: #475569;
	text-decoration: none;
	transition: background 0.15s ease;
	position: relative;
}

.site-header .dropdown-item:hover {
	background: rgba(0, 0, 0, 0.04);
}

.site-header .dropdown-item.disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.site-header .dropdown-icon {
	font-size: 24px;
	flex-shrink: 0;
}

.site-header .dropdown-content {
	flex: 1;
	display: flex;
	flex-direction: column;
	gap: 2px;
	min-width: 0;
}

.site-header .dropdown-title {
	font-size: 14px;
	font-weight: 600;
	color: #0f172a;
}

.site-header .dropdown-desc {
	font-size: 12px;
	color: #94a3b8;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.site-header .dropdown-badge {
	display: inline-block;
	margin-top: 4px;
	padding: 2px 8px;
	background: #e2e8f0;
	color: #64748b;
	font-size: 11px;
	font-weight: 500;
	border-radius: 4px;
	align-self: flex-start;
}

/* 移动端下拉菜单适配 */
@media (max-width: 820px) {
	.site-header .dropdown-menu {
		min-width: 260px;
	}

	.site-header .dropdown-item {
		padding: 10px 14px;
	}

	.site-header .dropdown-icon {
		font-size: 20px;
	}
}

@media (max-width: 640px) {
	.site-header .nav-item.with-dropdown .nav-link::after {
		display: none;
	}

	.site-header .dropdown-menu {
		position: static;
		margin-top: 4px;
		box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
		min-width: 100%;
		display: none;
	}

	.site-header .nav-item.with-dropdown:hover .dropdown-menu {
		display: block;
	}

	.site-header .dropdown-item {
		padding: 10px 12px;
	}
}