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

 body {
 	font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif;
 	background-color: #f8f9fa;
 	color: #333;
 	line-height: 1.5;
 }

 .container {
 	max-width: 1400px;
 	margin: 0 auto;
 	padding: 0 20px;
 }

 /* ========= 导航栏 ========= */
 .header-wrapper {
 	position: absolute;
 	top: 0;
 	left: 0;
 	width: 100%;
 	z-index: 100;
 	background: transparent;
 	box-shadow: none;
 	transition: all 0.3s;
 }

 .navbar {
 	display: flex;
 	justify-content: space-between;
 	align-items: center;
 	padding: 20px 20px;
 	flex-wrap: wrap;
 }

 .logo-area {
 	display: flex;
 	align-items: center;
 	gap: 10px;
 }

 .logo-img {
 	height: 55px;
 	width: auto;
 }

 .logo-text {
 	font-size: 1.4rem;
 	font-weight: bold;
 	color: #ffffff;
 	letter-spacing: 1px;
 	text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
 }

 .nav-menu {
 	display: flex;
 	list-style: none;
 	gap: 32px;
 	margin: 0;
 	padding: 0;
 }

 .nav-menu li a {
 	text-decoration: none;
 	font-size: 1.2rem;
 	font-weight: 600;
 	color: #ffffff;
 	transition: all 0.3s;
 	padding: 8px 0;
 	display: inline-block;
 	text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
 }

 .nav-menu li a:hover {
 	opacity: 0.85;
 	color: #ffd966;
 	transform: translateY(-2px);
 }

 .dropdown {
 	position: relative;
 }

 .dropdown-menu {
 	position: absolute;
 	top: 45px;
 	left: 0;
 	background: white;
 	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
 	border-radius: 12px;
 	min-width: 170px;
 	opacity: 0;
 	visibility: hidden;
 	transition: all 0.3s;
 	z-index: 101;
 	list-style: none;
 	padding: 10px 0;
 }

 .dropdown:hover .dropdown-menu {
 	opacity: 1;
 	visibility: visible;
 }

 .dropdown-menu li a {
 	padding: 10px 20px;
 	display: block;
 	font-size: 1rem;
 	color: #2c3e50;
 	text-shadow: none;
 	font-weight: 500;
 }

 .dropdown-menu li a:hover {
 	background-color: #f0f7ff;
 	color: #0056b3;
 }

 .menu-toggle {
 	display: none;
 	font-size: 1.8rem;
 	cursor: pointer;
 	color: #ffffff;
 	text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
 }

 /* ========= Banner区域 ========= */
 .banner-section {
 	width: 100%;
 	height: 400px;
 	overflow: hidden;
 	position: relative;
 }

 .banner-section img {
 	width: 100%;
 	height: 100%;
 	object-fit: cover;
 	display: block;
 }

 .banner-overlay {
 	position: absolute;
 	top: 0;
 	left: 0;
 	width: 100%;
 	height: 100%;
 	background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
 	display: flex;
 	align-items: center;
 	justify-content: center;
 }

 .banner-title {
 	color: white;
 	font-size: 3rem;
 	font-weight: 700;
 	text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
 	letter-spacing: 3px;
 }

 /* ========= 异形背景遮罩图 ========= */
 .banner-shape {
 	position: absolute;
 	bottom: 0;
 	left: 0;
 	width: 100%;
 	height: 13%;
 	background-image: url(pic/banner_bgpng.fw.png);
 	background-repeat: no-repeat;
 	background-size: cover;
 	background-position: bottom;
 	z-index: 5;
 	pointer-events: none;
 }

 /* ========= 面包屑导航 ========= */
 .breadcrumb {
 	background: #f1f5f9;
 	padding: 15px 0;
 	border-bottom: 1px solid #e2e8f0;
 }

 .breadcrumb-content {
 	display: flex;
 	align-items: center;
 	gap: 10px;
 	font-size: 0.9rem;
 	color: #64748b;
 }

 .breadcrumb-content a {
 	color: #0056b3;
 	text-decoration: none;
 	transition: color 0.3s;
 }

 .breadcrumb-content a:hover {
 	color: #0a3d62;
 }

 .breadcrumb-content span {
 	color: #94a3b8;
 }

 .breadcrumb-current {
 	color: #1e293b;
 	font-weight: 600;
 }

 /* ========= 主内容区域 ========= */
 .main-content {
 	padding: 50px 0;
 	background: #fff;
 }

 .content-layout {
 	display: flex;
 	gap: 40px;
 	align-items: flex-start;
 }

 /* ========= 左侧竖型导航 ========= */
 .sidebar-nav {
 	width: 280px;
 	flex-shrink: 0;
 	background: #f8fafc;
 	border-radius: 16px;
 	overflow: hidden;
 	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
 }

 .sidebar-title {
 	background: linear-gradient(135deg, #0a3d62, #0056b3);
 	color: white;
 	padding: 20px 25px;
 	font-size: 1.3rem;
 	font-weight: 700;
 	text-align: center;
 	letter-spacing: 1px;
 }

 .sidebar-menu {
 	list-style: none;
 	padding: 10px 0;
 }

 .sidebar-menu li {
 	border-bottom: 1px solid #e2e8f0;
 }

 .sidebar-menu li:last-child {
 	border-bottom: none;
 }

 .sidebar-menu li a {
 	display: flex;
 	align-items: center;
 	padding: 16px 25px;
 	color: #334155;
 	text-decoration: none;
 	font-size: 1rem;
 	font-weight: 500;
 	transition: all 0.3s;
 	gap: 12px;
 }

 .sidebar-menu li a:hover {
 	background: #e0f2fe;
 	color: #0056b3;
 	padding-left: 30px;
 }

 .sidebar-menu li a.active {
 	background: #0056b3;
 	color: white;
 	font-weight: 600;
 }

 .sidebar-menu li a i {
 	width: 20px;
 	text-align: center;
 	font-size: 0.9rem;
 }

 /* ========= 右侧图片详情内容 ========= */
 .image-content {
 	flex: 1;
 	min-width: 0;
 }

 .section-title {
 	font-size: 1.8rem;
 	font-weight: 700;
 	color: #0a3d62;
 	margin-bottom: 30px;
 	padding-bottom: 15px;
 	border-bottom: 3px solid #0056b3;
 	display: flex;
 	align-items: center;
 	gap: 15px;
 }

 .section-title i {
 	color: #0056b3;
 	font-size: 1.5rem;
 }

 /* 图片详情卡片 */
 .image-detail-card {
 	background: #ffffff;
 	border-radius: 16px;
 	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
 	overflow: hidden;
 }

 /* 图片展示区域 */
 .image-display {
 	position: relative;
 	background: #f8fafc;
 	padding: 20px;
 }

 .image-main {
 	width: 100%;
 	max-height: 600px;
 	object-fit: contain;
 	border-radius: 12px;
 	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
 }

 .image-caption {
 	text-align: center;
 	margin-top: 15px;
 	font-size: 0.95rem;
 	color: #64748b;
 	font-style: italic;
 }

 /* 图片信息区域 */
 .image-info {
 	padding: 30px;
 }

 .image-title {
 	font-size: 1.6rem;
 	font-weight: 700;
 	color: #0a3d62;
 	margin-bottom: 20px;
 	line-height: 1.4;
 }

 .image-meta {
 	display: flex;
 	flex-wrap: wrap;
 	gap: 20px;
 	font-size: 0.9rem;
 	color: #64748b;
 	padding-bottom: 20px;
 	border-bottom: 1px solid #e2e8f0;
 	margin-bottom: 25px;
 }

 .meta-item {
 	display: flex;
 	align-items: center;
 	gap: 8px;
 }

 .meta-item i {
 	color: #0056b3;
 	font-size: 0.95rem;
 }

 .meta-item span {
 	font-weight: 500;
 }

 /* 图片描述 */
 .image-description {
 	font-size: 1rem;
 	line-height: 1.8;
 	color: #334155;
 }

 .image-description p {
 	margin-bottom: 15px;
 	text-indent: 2em;
 }

 /* 相关图片 */
 .related-images {
 	margin-top: 40px;
 }

 .related-title {
 	font-size: 1.2rem;
 	font-weight: 600;
 	color: #0a3d62;
 	margin-bottom: 20px;
 	display: flex;
 	align-items: center;
 	gap: 10px;
 }

 .related-title i {
 	color: #0056b3;
 }

 .related-grid {
 	display: grid;
 	grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
 	gap: 15px;
 }

 .related-item {
 	border-radius: 10px;
 	overflow: hidden;
 	cursor: pointer;
 	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
 	transition: all 0.3s;
 }

 .related-item:hover {
 	transform: translateY(-5px);
 	box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
 }

 .related-item img {
 	width: 100%;
 	height: 120px;
 	object-fit: cover;
 }

 .related-item .related-name {
 	padding: 10px;
 	background: #f8fafc;
 	font-size: 0.85rem;
 	color: #334155;
 	text-align: center;
 	white-space: nowrap;
 	overflow: hidden;
 	text-overflow: ellipsis;
 }

 /* ========= 底部区域 ========= */
 .footer {
 	background-color: #0a3d62;
 	position: relative;
 	color: #ffffff;
 	padding: 40px 20px 20px;
 	margin-top: 60px;
 	background-image: url('https://www.transparenttextures.com/patterns/dark-mosaic.png');
 	background-repeat: repeat;
 	background-size: auto;
 }

 .footer::before {
 	content: "";
 	position: absolute;
 	top: 0;
 	left: 0;
 	width: 100%;
 	height: 100%;
 	background: rgba(10, 61, 98, 0.85);
 	z-index: 0;
 }

 .footer-content {
 	position: relative;
 	z-index: 2;
 	max-width: 1200px;
 	margin: 0 auto;
 	display: flex;
 	flex-wrap: wrap;
 	justify-content: space-between;
 	gap: 30px;
 }

 .footer-info,
 .footer-contact,
 .footer-qrcode {
 	flex: 1;
 	min-width: 200px;
 }

 .footer-qrcode {
 	text-align: center;
 }

 .footer-qrcode h4 {
 	margin-bottom: 15px;
 	font-size: 1rem;
 }

 .qr-images {
 	display: flex;
 	gap: 20px;
 	justify-content: center;
 	flex-wrap: wrap;
 }

 .qr-item {
 	text-align: center;
 }

 .qr-item img {
 	width: 100px;
 	height: 100px;
 	background: white;
 	padding: 8px;
 	border-radius: 12px;
 	object-fit: contain;
 }

 .qr-item span {
 	display: block;
 	font-size: 0.7rem;
 	margin-top: 6px;
 	color: #ddd;
 }

 .footer-info p,
 .footer-contact p {
 	line-height: 1.8;
 	font-size: 0.9rem;
 }

 .footer a {
 	color: #ffffff;
 	text-decoration: none;
 }

 .footer a:hover {
 	text-decoration: underline;
 }

 .copyright {
 	position: relative;
 	z-index: 2;
 	text-align: center;
 	margin-top: 30px;
 	font-size: 0.8rem;
 	border-top: 1px solid rgba(255, 255, 255, 0.2);
 	padding-top: 20px;
 }

 /* ========= 响应式设计 ========= */
 @media (max-width: 992px) {
 	.nav-menu {
 		position: fixed;
 		top: 80px;
 		left: -100%;
 		background: rgba(0, 86, 179, 0.95);
 		backdrop-filter: blur(10px);
 		width: 80%;
 		height: calc(100% - 80px);
 		flex-direction: column;
 		padding: 40px 30px;
 		box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
 		transition: left 0.3s;
 		z-index: 999;
 		gap: 20px;
 	}

 	.nav-menu.active {
 		left: 0;
 	}

 	.menu-toggle {
 		display: block;
 	}

 	.dropdown-menu {
 		position: static;
 		opacity: 1;
 		visibility: visible;
 		box-shadow: none;
 		padding-left: 20px;
 		background: transparent;
 		display: none;
 	}

 	.dropdown-menu li a {
 		color: white;
 	}

 	.dropdown-menu li a:hover {
 		background: rgba(255, 255, 255, 0.2);
 	}

 	.dropdown:hover .dropdown-menu {
 		display: block;
 	}

 	.content-layout {
 		flex-direction: column;
 	}

 	.sidebar-nav {
 		width: 100%;
 	}

 	.banner-section {
 		height: 300px;
 	}

 	.banner-title {
 		font-size: 2rem;
 	}
 }

 @media (max-width: 768px) {
 	.navbar {
 		padding: 15px 20px;
 	}

 	.banner-section {
 		height: 250px;
 	}

 	.banner-title {
 		font-size: 1.5rem;
 		letter-spacing: 2px;
 	}

 	.main-content {
 		padding: 30px 0;
 	}

 	.section-title {
 		font-size: 1.4rem;
 	}

 	.image-title {
 		font-size: 1.3rem;
 	}

 	.image-meta {
 		gap: 15px;
 	}

 	.image-info {
 		padding: 20px;
 	}

 	.related-grid {
 		grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
 		gap: 12px;
 	}

 	.related-item img {
 		height: 100px;
 	}

 	.footer-content {
 		flex-direction: column;
 		text-align: center;
 	}

 	.footer-qrcode .qr-images {
 		justify-content: center;
 	}
 }

 @media (max-width: 480px) {
 	.logo-img {
 		height: 45px;
 	}

 	.logo-text {
 		font-size: 1.1rem;
 	}

 	.nav-menu li a {
 		font-size: 1rem;
 	}

 	.sidebar-menu li a {
 		padding: 14px 20px;
 		font-size: 0.95rem;
 	}

 	.image-main {
 		max-height: 400px;
 	}

 	.related-grid {
 		grid-template-columns: repeat(2, 1fr);
 	}
 }