:root {
	color-scheme: light dark;
	font-family: "Noto Serif SC", "Noto Sans SC", "Songti SC", serif;
	
	/* 石碑色彩系统 */
	--stone-bg: linear-gradient(135deg, #f8f6f0 0%, #e8e6e0 100%);
	--stone-dark: linear-gradient(135deg, #2a2826 0%, #1a1816 100%);
	--stone-surface: #f2f0ea;
	--stone-surface-dark: #252321;
	--carved-text: #1a1612;
	--carved-text-dark: #f0ede6;
	--accent-gold: #d4af37;
	--accent-amber: #ff8c00;
	--fragment-shadow: rgba(26, 22, 18, 0.15);
	--fragment-shadow-dark: rgba(0, 0, 0, 0.6);
	
	/* 纹理和边框 */
	--stone-texture: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000' fill-opacity='0.02'%3E%3Ccircle cx='7' cy='7' r='1'/%3E%3Ccircle cx='27' cy='27' r='1'/%3E%3Ccircle cx='47' cy='47' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
	--carved-border: 2px solid rgba(212, 175, 55, 0.3);
	
	background: var(--stone-bg);
	background-attachment: fixed;
	color: var(--carved-text);
	line-height: 1.7;
	
	/* 添加石质纹理 */
	position: relative;
}

:root::before {
	content: '';
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-image: var(--stone-texture);
	opacity: 0.4;
	pointer-events: none;
	z-index: -1;
}

body[data-theme="dark"] {
	background: var(--stone-dark);
	background-attachment: fixed;
	color: var(--carved-text-dark);
}

body[data-theme="dark"]::before {
	opacity: 0.2;
}

a {
	color: inherit;
	text-decoration: none;
	transition: all 0.2s ease;
	position: relative;
}

a:hover {
	color: var(--accent-gold);
	text-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
}

body[data-theme="dark"] a:hover {
	color: var(--accent-amber);
	text-shadow: 0 0 8px rgba(255, 140, 0, 0.4);
}

.site-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 1.5rem 2rem;
	border-bottom: 3px solid var(--accent-gold);
	background: rgba(242, 240, 234, 0.95);
	backdrop-filter: blur(12px);
	position: sticky;
	top: 0;
	z-index: 10;
	box-shadow: 0 4px 20px var(--fragment-shadow);
	
	/* 石碑顶部雕刻感 */
	position: relative;
}

.site-header::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(90deg, 
		transparent 0%, 
		var(--accent-gold) 20%, 
		var(--accent-amber) 50%, 
		var(--accent-gold) 80%, 
		transparent 100%);
	box-shadow: 0 1px 3px rgba(212, 175, 55, 0.5);
}

body[data-theme="dark"] .site-header {
	background: rgba(37, 35, 33, 0.95);
	border-bottom-color: var(--accent-gold);
	box-shadow: 0 4px 20px var(--fragment-shadow-dark);
}

.site-branding {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
}

.site-title {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--carved-text);
	text-shadow: 2px 2px 4px rgba(212, 175, 55, 0.3);
	letter-spacing: 0.5px;
	position: relative;
}

.site-subtitle {
	margin-top: 0.25rem;
}

.personal-link {
	font-size: 0.9rem;
	color: var(--accent-gold);
	font-weight: 500;
	letter-spacing: 0.3px;
	text-decoration: none;
	transition: all 0.3s ease;
	position: relative;
	display: inline-block;
}

.personal-link::before {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	width: 0;
	height: 1px;
	background: var(--accent-amber);
	transition: width 0.3s ease;
}

.personal-link:hover {
	color: var(--accent-amber);
	text-shadow: 0 0 8px rgba(255, 140, 0, 0.4);
}

.personal-link:hover::before {
	width: 100%;
}

.site-title::after {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	width: 100%;
	height: 2px;
	background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
	border-radius: 1px;
	opacity: 0;
	transition: opacity 0.3s ease;
}

.site-title:hover::after {
	opacity: 1;
}

body[data-theme="dark"] .site-title {
	color: var(--carved-text-dark);
	text-shadow: 2px 2px 4px rgba(212, 175, 55, 0.5);
}

#theme-toggle {
	width: 3rem;
	height: 3rem;
	border-radius: 50%;
	border: 2px solid var(--accent-gold);
	background: var(--stone-surface);
	cursor: pointer;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	position: relative;
	overflow: hidden;
}

#theme-toggle::before {
	content: '☀';
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	font-size: 1.2rem;
	transition: all 0.3s ease;
}

body[data-theme="dark"] #theme-toggle::before {
	content: '🌙';
}

#theme-toggle:hover {
	transform: rotate(15deg) scale(1.1);
	border-color: var(--accent-amber);
	box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
}

body[data-theme="dark"] #theme-toggle {
	border-color: var(--accent-gold);
	background: var(--stone-surface-dark);
}

body[data-theme="dark"] #theme-toggle:hover {
	border-color: var(--accent-amber);
	box-shadow: 0 4px 12px rgba(255, 140, 0, 0.4);
}

.site-main {
	max-width: 800px;
	margin: 0 auto;
	padding: 3rem 2rem 5rem;
	position: relative;
}

/* 添加页面边框装饰 */
.site-main::before {
	content: '';
	position: absolute;
	top: 0;
	left: 1rem;
	right: 1rem;
	height: 1px;
	background: linear-gradient(90deg, 
		transparent 0%, 
		var(--accent-gold) 20%, 
		var(--accent-amber) 50%, 
		var(--accent-gold) 80%, 
		transparent 100%);
	opacity: 0.6;
}

.toolbar {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1.5rem;
}

.search {
	flex: 1 1 280px;
	position: relative;
}

#fragment-search {
	width: 100%;
	padding: 0.75rem 1rem;
	border-radius: 999px;
	border: 1px solid rgba(0,0,0,0.2);
	background: rgba(255,255,255,0.9);
}

body[data-theme="dark"] #fragment-search {
	background: rgba(0,0,0,0.35);
	border-color: rgba(255,255,255,0.2);
}

#search-results {
	position: absolute;
	top: calc(100% + 0.5rem);
	left: 0;
	width: 100%;
	background: rgba(255,255,255,0.98);
	border-radius: 1rem;
	box-shadow: 0 12px 48px rgba(0,0,0,0.12);
	max-height: 50vh;
	overflow-y: auto;
	z-index: 5;
	padding: 0.5rem 0;
}

body[data-theme="dark"] #search-results {
	background: rgba(40,40,40,0.98);
	box-shadow: 0 12px 48px rgba(0,0,0,0.45);
}

#search-results a {
	display: block;
	padding: 0.75rem 1rem;
	border-bottom: 1px solid rgba(0,0,0,0.05);
}

#search-results a:last-child {
	border-bottom: none;
}

#time-nav-toggle {
	padding: 0.75rem 1rem;
	border-radius: 999px;
	border: 1px solid rgba(0,0,0,0.2);
	background: rgba(255,255,255,0.9);
	cursor: pointer;
}

body[data-theme="dark"] #time-nav-toggle {
	background: rgba(0,0,0,0.35);
	border-color: rgba(255,255,255,0.2);
}

#time-nav {
	margin-bottom: 2rem;
}

.time-nav-panel {
	display: grid;
	grid-template-columns: repeat(auto-fill,minmax(140px,1fr));
	gap: 0.5rem;
}

.time-nav-item {
	padding: 0.75rem 1rem;
	border-radius: 0.75rem;
	border: 1px solid rgba(0,0,0,0.1);
	background: rgba(255,255,255,0.85);
	cursor: pointer;
	text-align: left;
}

body[data-theme="dark"] .time-nav-item {
	background: rgba(0,0,0,0.4);
	border-color: rgba(255,255,255,0.2);
}

.fragment-card {
	padding: 2rem;
	margin-bottom: 2rem;
	border-radius: 0.5rem;
	background: var(--stone-surface);
	box-shadow: 
		0 8px 32px var(--fragment-shadow),
		inset 0 1px 0 rgba(212, 175, 55, 0.1);
	border: 1px solid rgba(212, 175, 55, 0.2);
	position: relative;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	
	/* 雕刻板感觉 */
	background-image: 
		linear-gradient(135deg, transparent 0%, rgba(212, 175, 55, 0.03) 50%, transparent 100%),
		var(--stone-texture);
}

.fragment-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(90deg, 
		transparent 0%, 
		var(--accent-gold) 50%, 
		transparent 100%);
	border-radius: 0.5rem 0.5rem 0 0;
	opacity: 0;
	transition: opacity 0.3s ease;
}

.fragment-card:hover {
	transform: translateY(-2px);
	box-shadow: 
		0 12px 40px var(--fragment-shadow),
		inset 0 1px 0 rgba(212, 175, 55, 0.2);
	border-color: rgba(212, 175, 55, 0.4);
}

.fragment-card:hover::before {
	opacity: 0.8;
}

body[data-theme="dark"] .fragment-card {
	background: var(--stone-surface-dark);
	box-shadow: 
		0 8px 32px var(--fragment-shadow-dark),
		inset 0 1px 0 rgba(212, 175, 55, 0.15);
	border-color: rgba(212, 175, 55, 0.3);
}

body[data-theme="dark"] .fragment-card:hover {
	box-shadow: 
		0 12px 40px var(--fragment-shadow-dark),
		inset 0 1px 0 rgba(212, 175, 55, 0.25);
	border-color: rgba(212, 175, 55, 0.5);
}

.fragment-card header {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	margin-bottom: 1rem;
}

.fragment-card h2 {
	font-size: 1.4rem;
	font-weight: 700;
	margin: 0;
	color: var(--carved-text);
	text-shadow: 1px 1px 2px rgba(212, 175, 55, 0.2);
	letter-spacing: 0.3px;
	line-height: 1.3;
}

body[data-theme="dark"] .fragment-card h2 {
	color: var(--carved-text-dark);
	text-shadow: 1px 1px 2px rgba(212, 175, 55, 0.3);
}

.fragment-card time {
	font-size: 0.95rem;
	color: var(--accent-gold);
	font-weight: 500;
	letter-spacing: 0.5px;
	font-family: "Noto Sans SC", sans-serif;
}

body[data-theme="dark"] .fragment-card time {
	color: var(--accent-amber);
}

.fragment-card .excerpt {
	margin-bottom: 1.5rem;
	line-height: 1.8;
	color: var(--carved-text);
	font-size: 1rem;
}

.fragment-card .excerpt p {
	margin: 0.8rem 0;
}

.fragment-card .excerpt p:first-child {
	margin-top: 0;
}

.fragment-card .excerpt p:last-child {
	margin-bottom: 0;
}

body[data-theme="dark"] .fragment-card .excerpt {
	color: var(--carved-text-dark);
}

.fragment-card footer {
	display: flex;
	justify-content: flex-end;
}

.fragment-detail {
	padding: 2rem;
	border-radius: 1.25rem;
	background: rgba(255,255,255,0.92);
	box-shadow: 0 20px 48px rgba(0,0,0,0.08);
}

body[data-theme="dark"] .fragment-detail {
	background: rgba(20,20,20,0.92);
	box-shadow: 0 20px 48px rgba(0,0,0,0.4);
}

.fragment-detail header {
	margin-bottom: 1.5rem;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.fragment-detail time {
	font-size: 0.95rem;
	color: rgba(0,0,0,0.6);
}

body[data-theme="dark"] .fragment-detail time {
	color: rgba(255,255,255,0.6);
}

.fragment-detail h1 {
	margin: 0;
	font-size: 1.75rem;
	line-height: 1.3;
}

.fragment-footer {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	margin-top: 2rem;
}

.copy-link {
	padding: 0.75rem 1.25rem;
	border-radius: 999px;
	border: 1px solid rgba(0,0,0,0.2);
	background: rgba(255,255,255,0.9);
	cursor: pointer;
}

body[data-theme="dark"] .copy-link {
	background: rgba(0,0,0,0.4);
	border-color: rgba(255,255,255,0.2);
}

.copy-status {
	color: #4caf50;
}

.fragment-tags {
	display: flex;
	gap: 0.5rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.fragment-tags li {
	padding: 0.35rem 0.75rem;
	border-radius: 999px;
	border: 1px solid rgba(0,0,0,0.2);
}

.fragment-navigation {
	display: flex;
	justify-content: space-between;
	margin-top: 2rem;
}

.pagination-fallback {
	margin-top: 2rem;
	text-align: center;
}

/* 移动端优化 */
@media (max-width: 768px) {
	.site-header {
		padding: 1rem 1.5rem;
	}
	
	.site-title {
		font-size: 1.3rem;
	}
	
	#theme-toggle {
		width: 2.5rem;
		height: 2.5rem;
	}
	
	#theme-toggle::before {
		font-size: 1rem;
	}
	
	.site-main {
		padding: 2rem 1rem 4rem;
		max-width: 100%;
	}
	
	.site-main::before {
		left: 0.5rem;
		right: 0.5rem;
	}
	
	.fragment-card {
		padding: 1.5rem;
		margin-bottom: 1.5rem;
		border-radius: 0.75rem;
	}
	
	.fragment-card h2 {
		font-size: 1.2rem;
	}
	
	.toolbar {
		gap: 1rem;
		margin-bottom: 2rem;
	}
	
	.search {
		flex: 1 1 100%;
	}
}

@media (max-width: 480px) {
	.site-header {
		padding: 0.75rem 1rem;
	}
	
	.site-title {
		font-size: 1.2rem;
	}
	
	.site-main {
		padding: 1.5rem 0.75rem 3rem;
	}
	
	.fragment-card {
		padding: 1.25rem;
		margin-left: 0.5rem;
		margin-right: 0.5rem;
	}
	
	.site-footer {
		margin-top: 2rem;
		padding: 1.5rem 0;
	}
	
	.footer-content {
		padding: 0 1rem;
	}
	
	.footer-text {
		font-size: 0.9rem;
	}
}

/* 页脚样式 */
.site-footer {
	margin-top: 4rem;
	padding: 2rem 0;
	border-top: 2px solid var(--accent-gold);
	background: linear-gradient(135deg, 
		rgba(242, 240, 234, 0.8) 0%, 
		rgba(248, 246, 240, 0.6) 100%);
	position: relative;
}

.site-footer::before {
	content: '';
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 2px;
	background: linear-gradient(90deg, 
		transparent 0%, 
		var(--accent-gold) 20%, 
		var(--accent-amber) 50%, 
		var(--accent-gold) 80%, 
		transparent 100%);
}

.footer-content {
	max-width: 800px;
	margin: 0 auto;
	padding: 0 2rem;
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 1rem;
}

.footer-text {
	margin: 0;
	font-size: 0.95rem;
	color: var(--carved-text);
	font-weight: 500;
	letter-spacing: 0.3px;
}

.footer-link {
	color: var(--accent-gold);
	text-decoration: none;
	font-weight: 600;
	transition: all 0.3s ease;
	position: relative;
}

.footer-link::after {
	content: '';
	position: absolute;
	bottom: -1px;
	left: 0;
	width: 0;
	height: 1px;
	background: var(--accent-amber);
	transition: width 0.3s ease;
}

.footer-link:hover {
	color: var(--accent-amber);
	text-shadow: 0 0 8px rgba(255, 140, 0, 0.4);
}

.footer-link:hover::after {
	width: 100%;
}

.footer-decoration {
	margin-top: 0.5rem;
}

.carved-symbol {
	font-size: 1.2rem;
	color: var(--accent-gold);
	opacity: 0.7;
	animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
	0%, 100% { opacity: 0.7; transform: scale(1); }
	50% { opacity: 1; transform: scale(1.1); }
}

body[data-theme="dark"] .site-footer {
	background: linear-gradient(135deg, 
		rgba(37, 35, 33, 0.8) 0%, 
		rgba(42, 40, 38, 0.6) 100%);
}

body[data-theme="dark"] .footer-text {
	color: var(--carved-text-dark);
}

body[data-theme="dark"] .footer-link {
	color: var(--accent-gold);
}

body[data-theme="dark"] .footer-link:hover {
	color: var(--accent-amber);
}