:root {
	--primary: #2563eb;
	--primary-dark: #1a56db;
	--primary-light: #dbeafe;
	--primary-bg: #e8f0fe;
	--text-main: #1e293b;
	--text-muted: #64748b;
	--text-light: #94a3b8;
	--border-color: #e2e8f0;
	--bg-light: #f8fafc;
	--bg-card: #ffffff;
	--shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
	--shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
	--radius: 8px;
	--radius-lg: 12px;
	--transition: all 0.3s ease;
	--max-width: 1200px;
	--header-height: 70px;
	--topbar-height: 40px;
}

/* ============================================================
   1. 面包屑
   ============================================================ */
.breadcrumb-wrap {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    padding: 12px 0;
}
.breadcrumb {
    font-size: 14px;
    color: var(--text-light);
}
.breadcrumb a {
    color: var(--text-light);
    transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep {
    margin: 0 8px;
    font-size: 12px;
    color: var(--border-light);
}
.breadcrumb .current {
    color: var(--text-dark);
    font-weight: 500;
}
/* ===== Copyright Main ===== */
.copyright-main {
	padding: 36px 0 0px;
}
.copyright-main .container {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: 32px;
}

/* ===== Copyright Content ===== */
.copyright-content {
	background: #ffffff;
	border-radius: var(--radius);
	border: 1px solid var(--border-color);
	padding: 32px 36px;
}
.copyright-content .page-title {
	font-size: 28px;
	font-weight: 700;
	color: #0f172a;
	margin-bottom: 6px;
	display: flex;
	align-items: center;
	gap: 12px;
}
.copyright-content .page-title i {
	color: var(--primary);
	font-size: 30px;
}
.copyright-content .page-subtitle {
	font-size: 15px;
	color: var(--text-muted);
	margin-bottom: 24px;
	padding-bottom: 18px;
	border-bottom: 1px solid var(--border-color);
}
.copyright-content .last-updated {
	font-size: 13px;
	color: var(--text-light);
	margin-bottom: 24px;
	display: flex;
	align-items: center;
	gap: 6px;
}
.copyright-content .last-updated i {
	font-size: 14px;
}

.copyright-section {
	margin-bottom: 28px;
}
.copyright-section:last-child {
	margin-bottom: 0;
}
.copyright-section h3 {
	font-size: 19px;
	font-weight: 600;
	color: #0f172a;
	margin-bottom: 8px;
	display: flex;
	align-items: center;
	gap: 10px;
}
.copyright-section h3 i {
	color: var(--primary);
	font-size: 18px;
}
.copyright-section p {
	font-size: 14.5px;
	color: var(--text-muted);
	line-height: 1.8;
	margin-bottom: 8px;
}
.copyright-section p:last-child {
	margin-bottom: 0;
}
.copyright-section ul {
	list-style: none;
	padding: 0;
	margin: 6px 0 4px 0;
}
.copyright-section ul li {
	font-size: 14.5px;
	color: var(--text-muted);
	line-height: 1.7;
	padding: 3px 0 3px 28px;
	position: relative;
}
.copyright-section ul li::before {
	content: '\f105';
	font-family: 'Font Awesome 6 Free';
	font-weight: 900;
	position: absolute;
	left: 4px;
	color: var(--primary);
	font-size: 14px;
}
.copyright-section .highlight-box {
	background: var(--primary-bg);
	border-left: 4px solid var(--primary);
	padding: 14px 20px;
	border-radius: 0 var(--radius) var(--radius) 0;
	margin: 10px 0 6px 0;
}
.copyright-section .highlight-box p {
	margin: 0;
	font-size: 14px;
	color: var(--text-main);
}
.copyright-section .highlight-box a {
	color: var(--primary);
}

/* ===== Sidebar ===== */
.copyright-sidebar {
	display: flex;
	flex-direction: column;
	gap: 20px;
}
.side-card {
	background: #ffffff;
	border-radius: var(--radius);
	border: 1px solid var(--border-color);
	padding: 22px 24px;
}
.side-card .card-title {
	font-size: 16px;
	font-weight: 600;
	color: #0f172a;
	margin-bottom: 14px;
	display: flex;
	align-items: center;
	gap: 8px;
}
.side-card .card-title i {
	color: var(--primary);
}

.toc-list {
	list-style: none;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 6px;
}
.toc-list li a {
	display: block;
	padding: 6px 12px;
	font-size: 14px;
	color: var(--text-muted);
	border-radius: 6px;
	transition: var(--transition);
}
.toc-list li a:hover {
	background: var(--bg-light);
	color: var(--primary);
}
.toc-list li a i {
	margin-right: 8px;
	font-size: 12px;
	color: var(--text-light);
}

.quick-contact {
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.quick-contact .contact-item {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	font-size: 14px;
	color: var(--text-muted);
}
.quick-contact .contact-item i {
	color: var(--primary);
	font-size: 16px;
	width: 20px;
	text-align: center;
	margin-top: 2px;
}
.quick-contact .contact-item a {
	color: var(--text-muted);
	transition: var(--transition);
}
.quick-contact .contact-item a:hover {
	color: var(--primary);
}

.ad-card {
	background: linear-gradient(135deg, #0f172a, #1e293b);
	border-radius: var(--radius);
	padding: 24px 20px;
	color: #ffffff;
	text-align: center;
}
.ad-card .ad-badge {
	display: inline-block;
	background: rgba(255, 255, 255, 0.12);
	font-size: 10px;
	padding: 2px 12px;
	border-radius: 10px;
	color: #94a3b8;
	margin-bottom: 12px;
}
.ad-card .ad-icon {
	font-size: 36px;
	color: #fbbf24;
	margin-bottom: 8px;
}
.ad-card h4 {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 4px;
}
.ad-card p {
	font-size: 13px;
	color: #94a3b8;
	margin-bottom: 14px;
}
.ad-card .ad-btn {
	display: inline-block;
	padding: 8px 28px;
	background: var(--primary);
	color: #ffffff;
	border-radius: 20px;
	font-size: 14px;
	font-weight: 600;
	transition: var(--transition);
}
.ad-card .ad-btn:hover {
	background: var(--primary-dark);
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
	.copyright-main .container {
		grid-template-columns: 1fr;
	}
	.copyright-sidebar {
		display: grid;
		grid-template-columns: 1fr 1fr;
		gap: 20px;
	}
}
@media (max-width: 768px) {
	:root {
		--topbar-height: auto;
	}
	.topbar {
		height: auto;
		padding: 8px 0;
	}
	.topbar .container {
		flex-wrap: wrap;
		gap: 6px;
	}
	.topbar-left {
		flex-wrap: wrap;
		gap: 10px;
	}
	.topbar-right {
		flex-wrap: wrap;
		gap: 8px;
	}
	.main-header .container {
		flex-wrap: nowrap;
	}
	.main-nav {
		position: fixed;
		top: var(--header-height);
		left: 0;
		width: 100%;
		background: #ffffff;
		flex-direction: column;
		align-items: stretch;
		padding: 16px 20px;
		gap: 2px;
		box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
		transform: translateY(-120%);
		transition: transform 0.3s ease;
		z-index: 98;
		border-top: 1px solid var(--border-color);
		max-height: 70vh;
		overflow-y: auto;
	}
	.main-nav.open {
		transform: translateY(0);
	}
	.main-nav a {
		padding: 10px 14px;
		border-radius: 6px;
		font-size: 15px;
	}
	.header-right .hamburger {
		display: block;
	}
	.search-modal-box {
		padding: 28px 20px;
	}
	.search-input-wrap input {
		font-size: 16px;
	}
	.search-input-wrap button {
		padding: 6px 16px;
		font-size: 13px;
	}
	.copyright-content {
		padding: 20px;
	}
	.copyright-content .page-title {
		font-size: 22px;
	}
	.copyright-sidebar {
		grid-template-columns: 1fr;
	}
	.footer-top {
		flex-direction: column;
	}
	.footer-bottom {
		flex-direction: column;
		align-items: flex-start;
	}
}
@media (max-width: 480px) {
	.container {
		padding: 0 12px;
	}
	.logo-area .logo-text {
		font-size: 18px;
	}
	.logo-area .logo-tag {
		font-size: 9px;
		padding: 1px 8px;
	}
	.logo-area .logo-icon {
		font-size: 22px;
	}
	.topbar-left a {
		font-size: 12px;
	}
	.topbar-right a {
		font-size: 12px;
	}
	.side-card {
		padding: 16px;
	}
	.copyright-content .page-title {
		font-size: 20px;
	}
	.copyright-content {
		padding: 16px;
	}
	.copyright-section h3 {
		font-size: 17px;
	}
	.copyright-section p,
	.copyright-section ul li {
		font-size: 14px;
	}
}