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

body {
	font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
	background-color: #f5f7fb;
	color: #1e2a3a;
	line-height: 1.5;
}

.container {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 24px;
}

/* 头部样式 与首页完全一致 */
.header {
	background: linear-gradient(135deg, #0b3b2f 0%, #1a5f4b 100%);
	padding: 24px 0;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.header-content {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 20px;
}

.logo {
	width: 70px;
	height: 70px;
	background-color: #f5e7d9;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 36px;
	font-weight: bold;
	color: #0b3b2f;
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.site-title h1 {
	font-size: 1.7rem;
	font-weight: 600;
	color: white;
	letter-spacing: 1px;
}

.site-title p {
	font-size: 0.85rem;
	color: #d1e8e0;
	margin-top: 6px;
}

@media (max-width: 640px) {
	.site-title h1 {
		font-size: 1.2rem;
	}

	.logo {
		width: 55px;
		height: 55px;
		font-size: 28px;
	}

	.header-content {
		justify-content: center;
		text-align: center;
	}
}

/* 导航栏 */
.nav-bar {
	background-color: #ffffff;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
	position: sticky;
	top: 0;
	z-index: 100;
}

.nav-menu {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	list-style: none;
	gap: 8px;
}

.nav-menu li a {
	display: inline-block;
	padding: 16px 20px;
	text-decoration: none;
	font-weight: 600;
	color: #2c3e2f;
	transition: 0.3s;
	border-bottom: 3px solid transparent;
}

.nav-menu li a:hover,
.nav-menu li a.active {
	color: #1a5f4b;
	border-bottom-color: #1a5f4b;
	background-color: #f0f9f5;
}

@media (max-width: 768px) {
	.nav-menu li a {
		padding: 12px 14px;
		font-size: 0.9rem;
	}
}

/* 左右两栏布局 */
.two-columns {
	display: flex;
	flex-wrap: wrap;
	gap: 32px;
	margin: 40px 0 50px;
}

/* 左侧竖型导航 */
.sidebar-nav {
	flex: 1.2;
	min-width: 240px;
	background: white;
	border-radius: 28px;
	padding: 28px 16px;
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
	height: fit-content;
	position: sticky;
	top: 90px;
}

.sidebar-nav h3 {
	font-size: 1.3rem;
	color: #0b3b2f;
	border-left: 4px solid #1a5f4b;
	padding-left: 16px;
	margin-bottom: 20px;
}

.vertical-nav-list {
	list-style: none;
}

.vertical-nav-list li {
	margin-bottom: 8px;
}

.vertical-nav-list li a {
	display: block;
	padding: 12px 18px;
	border-radius: 40px;
	text-decoration: none;
	color: #2c4b3e;
	font-weight: 500;
	transition: all 0.2s;
	background: #f8fafc;
}

.vertical-nav-list li a:hover,
.vertical-nav-list li a.active-vertical {
	background: #e0f0ea;
	color: #1a5f4b;
	font-weight: 600;
	padding-left: 26px;
}

/* 右侧内容区 - 文章内容样式 */
.main-content {
	flex: 3.5;
	min-width: 280px;
	background: white;
	border-radius: 28px;
	padding: 32px 36px;
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.article-header {
	border-bottom: 2px solid #e2ece6;
	padding-bottom: 20px;
	margin-bottom: 28px;
}

.article-title {
	font-size: 1.9rem;
	font-weight: 700;
	color: #0b3b2f;
	margin-bottom: 16px;
	line-height: 1.3;
}

.article-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 24px;
	color: #7a9b8c;
	font-size: 0.85rem;
}

.article-meta span {
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.article-content {
	font-size: 1.02rem;
	line-height: 1.75;
	color: #2c3e2f;
}

.article-content p {
	margin-bottom: 1.4rem;
	text-align: justify;
}

.article-content h3 {
	font-size: 1.4rem;
	color: #1a5f4b;
	margin: 28px 0 16px 0;
	padding-left: 12px;
	border-left: 4px solid #1a5f4b;
}

.article-content h4 {
	font-size: 1.2rem;
	color: #2c6e5a;
	margin: 20px 0 12px 0;
}

.article-content ul,
.article-content ol {
	margin: 1rem 0 1.5rem 2rem;
}

.article-content li {
	margin-bottom: 0.5rem;
}

.article-content .highlight-box {
	background: #eef7f2;
	padding: 20px 24px;
	border-radius: 24px;
	margin: 24px 0;
	border-left: 5px solid #1a5f4b;
}

.back-link {
	display: inline-block;
	margin-top: 40px;
	color: #1a5f4b;
	text-decoration: none;
	font-weight: 600;
	padding: 10px 24px;
	background: #ecf7f2;
	border-radius: 40px;
	transition: 0.2s;
}

.back-link:hover {
	background: #d5ebe2;
	transform: translateX(-4px);
}

/* 友情链接区域 */
.friend-links {
	background: #eef3f0;
	border-radius: 32px;
	padding: 32px 28px;
	margin: 20px 0 30px;
}

.friend-links h3 {
	font-size: 1.5rem;
	margin-bottom: 20px;
	color: #1f3d36;
}

.links-group {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
	row-gap: 16px;
}

.links-group a {
	text-decoration: none;
	background: white;
	padding: 8px 20px;
	border-radius: 40px;
	color: #1a5f4b;
	font-weight: 500;
	transition: 0.2s;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.links-group a:hover {
	background: #1a5f4b;
	color: white;
	transform: translateY(-2px);
}

.footer {
	background: #0c2f26;
	color: #cbdcd6;
	padding: 40px 0 24px;
	margin-top: 40px;
	font-size: 0.85rem;
}

.footer-content {
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	gap: 12px;
}

@media (max-width: 780px) {
	.two-columns {
		flex-direction: column;
	}

	.sidebar-nav {
		position: static;
		width: 100%;
	}

	.main-content {
		padding: 24px 20px;
	}

	.article-title {
		font-size: 1.5rem;
	}

	.container {
		padding: 0 18px;
	}
}