/* ==========================================================================
   components.css — 共享组件
   主题通过覆盖 CSS 变量与少量选择器形成差异化，不改动页面结构。
   ========================================================================== */

/* ---------- 通用原子 ---------- */
.eyebrow{
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: .18em;
	text-transform: uppercase;
	color: var(--muted);
}
.chip{
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 4px 11px;
	border-radius: var(--radius-pill);
	background: var(--chip-bg);
	color: var(--chip-text);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: .02em;
	line-height: 1.5;
}
.chip:hover{
	background: var(--accent);
	color: var(--accent-ink);
}
.btn{
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 11px 22px;
	border: 1px solid transparent;
	border-radius: var(--radius-pill);
	background: var(--surface);
	color: var(--text);
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur), border-color var(--dur), color var(--dur);
}
.btn-primary{
	background: var(--accent);
	border-color: var(--accent);
	color: var(--accent-ink);
}
.btn-primary:hover{
	transform: translateY(-2px);
	box-shadow: var(--shadow-hover);
}
.btn-outline{
	background: transparent;
	border-color: var(--line-strong);
	color: var(--text);
}
.btn-outline:hover{
	border-color: var(--accent);
	color: var(--accent);
}

/* ---------- 顶部导航 ---------- */
.site-header{
	position: sticky;
	top: 0;
	z-index: 60;
	background: var(--header-bg);
	-webkit-backdrop-filter: saturate(180%) blur(16px);
	backdrop-filter: saturate(180%) blur(16px);
	border-bottom: 1px solid var(--line);
}
.header-inner{
	position: relative;
	display: flex;
	align-items: center;
	gap: 24px;
	min-height: 74px;
}
.brand{
	display: flex;
	align-items: center;
	gap: 12px;
	flex: none;
}
.brand-mark{
	width: 40px;
	height: 40px;
	display: grid;
	place-items: center;
	border-radius: 12px;
	background: var(--accent);
	color: var(--accent-ink);
	font-weight: 800;
	font-size: 18px;
	line-height: 1;
	flex: none;
}
.brand-name{
	display: block;
	font-size: 16px;
	font-weight: 800;
	line-height: 1.2;
	color: var(--text-strong);
	letter-spacing: -.01em;
}
.brand-sub{
	display: block;
	max-width: 250px;
	margin-top: 2px;
	font-size: 11.5px;
	line-height: 1.4;
	color: var(--muted);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.primary-nav{
	display: flex;
}
.nav-list{
	display: flex;
	align-items: center;
	gap: 4px;
}
.nav-list > li > a,
.nav-list summary{
	display: inline-block;
	padding: 8px 13px;
	border-radius: var(--radius-pill);
	font-size: 14px;
	color: var(--muted);
	cursor: pointer;
}
.nav-list > li > a:hover,
.nav-list summary:hover{
	background: var(--surface-2);
	color: var(--text);
}
.nav-list [aria-current="page"]{
	color: var(--accent);
	font-weight: 600;
}
.nav-dropdown details{
	position: relative;
}
.nav-dropdown summary{
	list-style: none;
}
.nav-dropdown summary::-webkit-details-marker{
	display: none;
}
.nav-dropdown summary::after{
	content: "▾";
	margin-left: 5px;
	font-size: 10px;
	opacity: .6;
}
.dropdown-list{
	position: absolute;
	top: calc(100% + 10px);
	left: 0;
	z-index: 70;
	min-width: 230px;
	padding: 8px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 14px;
	box-shadow: var(--shadow);
}
.dropdown-list a{
	display: flex;
	align-items: center;
	gap: 9px;
	padding: 8px 10px;
	border-radius: 9px;
	font-size: 13px;
	color: var(--text);
}
.dropdown-list a:hover{
	background: var(--surface-2);
	color: var(--accent);
}
.dropdown-list .dot{
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--dot, var(--accent));
	flex: none;
}
.dropdown-list .count{
	margin-left: auto;
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--muted);
}
.header-actions{
	display: flex;
	align-items: center;
	gap: 10px;
	margin-left: auto;
}
.header-search{
	display: flex;
	align-items: center;
	padding: 3px 4px 3px 13px;
	background: var(--surface-2);
	border: 1px solid var(--line);
	border-radius: var(--radius-pill);
	transition: border-color var(--dur), box-shadow var(--dur);
}
.header-search:focus-within{
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--selection);
}
.header-search input{
	width: 128px;
	padding: 5px 0;
	border: 0;
	background: transparent;
	font-size: 13px;
	color: var(--text);
	outline: none;
}
.header-search input::placeholder{
	color: var(--muted);
	opacity: .8;
}
.header-search button{
	display: grid;
	place-items: center;
	width: 30px;
	height: 30px;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: var(--muted);
	cursor: pointer;
}
.header-search button:hover{
	color: var(--accent);
}
.theme-toggle,
.nav-toggle{
	display: grid;
	place-items: center;
	width: 38px;
	height: 38px;
	padding: 0;
	border: 1px solid var(--line);
	border-radius: 50%;
	background: var(--surface);
	color: var(--muted);
	cursor: pointer;
	transition: color var(--dur), border-color var(--dur), transform var(--dur);
}
.theme-toggle:hover,
.nav-toggle:hover{
	color: var(--accent);
	border-color: var(--accent);
}
.theme-toggle:active{
	transform: scale(.94);
}
.theme-toggle svg{
	display: block;
}
html[data-mode="light"] .icon-sun{ display: none; }
html[data-mode="dark"] .icon-moon{ display: none; }
.nav-toggle{
	display: none;
	position: relative;
}
.nav-toggle span{
	display: block;
	width: 16px;
	height: 2px;
	background: currentColor;
	border-radius: 2px;
	margin: 2px 0;
}

/* ---------- 阅读进度 ---------- */
.reading-progress{
	position: fixed;
	inset: 0 0 auto 0;
	height: 3px;
	z-index: 100;
	pointer-events: none;
}
.reading-progress span{
	display: block;
	width: 0;
	height: 100%;
	background: linear-gradient(90deg, var(--accent), var(--accent-2));
	transition: width .12s linear;
}

/* ---------- 封面（由分类色生成，无外部图片依赖） ---------- */
.post-cover,
.hero-cover,
.post-cover-large{
	position: relative;
	display: block;
	overflow: hidden;
	background: linear-gradient(145deg, var(--cat, var(--accent)) 0%, var(--cat-dark, #222) 100%);
	isolation: isolate;
}
.cover-grid{
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px);
	background-size: 30px 30px;
	opacity: .55;
	mix-blend-mode: overlay;
	pointer-events: none;
}
.cover-letter{
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	font-size: clamp(2.6rem, 6vw, 5.5rem);
	font-weight: 800;
	letter-spacing: -.06em;
	color: rgba(255,255,255,.94);
	text-shadow: 0 10px 34px rgba(0,0,0,.28);
	transition: transform .55s var(--ease);
}
.post-cover:hover .cover-letter,
.hero-cover:hover .cover-letter{
	transform: scale(1.06);
}
.cover-cat{
	position: absolute;
	top: 14px;
	left: 14px;
	padding: 4px 9px;
	border-radius: var(--radius-pill);
	background: rgba(0,0,0,.2);
	color: rgba(255,255,255,.94);
	font-size: 10.5px;
	font-weight: 600;
	letter-spacing: .12em;
	text-transform: uppercase;
	-webkit-backdrop-filter: blur(6px);
	backdrop-filter: blur(6px);
}
.cover-index{
	position: absolute;
	right: 15px;
	bottom: 12px;
	font-family: var(--font-mono);
	font-size: 12px;
	letter-spacing: .12em;
	color: rgba(255,255,255,.82);
}

/* ---------- Hero / 焦点文章 ---------- */
.hero{
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
	margin: 36px 0 46px;
	background: var(--hero-bg);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow);
}
.hero-copy{
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: clamp(28px, 4vw, 52px);
	min-width: 0;
}
.hero-kicker{
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
	margin-bottom: 18px;
}
.hero-title{
	margin: 0 0 16px;
	font-size: clamp(1.6rem, 3.2vw, 2.7rem);
	line-height: 1.14;
	letter-spacing: -.035em;
}
.hero-title a:hover{
	color: var(--accent);
}
.hero-excerpt{
	max-width: 52ch;
	color: var(--muted);
	font-size: 15.5px;
}
.hero-meta{
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px;
	margin-top: 18px;
	font-size: 12.5px;
	color: var(--muted);
}
.hero-link{
	align-self: flex-start;
	margin-top: 26px;
	font-size: 14px;
	font-weight: 700;
	color: var(--accent);
}
.hero-link:hover{
	letter-spacing: .02em;
}
.hero-cover{
	min-height: 350px;
	height: 100%;
}

/* ---------- 页面导语 ---------- */
.page-intro{
	padding: clamp(40px, 6vw, 74px) 0 36px;
	border-bottom: 1px solid var(--line);
	margin-bottom: 34px;
}
.page-intro h1{
	font-size: clamp(2rem, 4.4vw, 3.4rem);
	letter-spacing: -.045em;
}
.intro-desc{
	max-width: 62ch;
	margin-top: 14px;
	color: var(--muted);
}
.intro-meta{
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 20px;
	font-family: var(--font-mono);
	font-size: 12.5px;
	letter-spacing: .06em;
	color: var(--muted);
}

/* ---------- 列表容器 ---------- */
.site-main{
	padding-bottom: 72px;
}
.content-shell{
	display: block;
}
.content-shell.with-sidebar{
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 56px;
	align-items: start;
}
.section-head{
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 24px;
	padding-bottom: 14px;
	border-bottom: 1px solid var(--line);
}
.section-head h2{
	font-size: clamp(1.2rem, 2vw, 1.55rem);
}
.section-count{
	font-family: var(--font-mono);
	font-size: 12px;
	letter-spacing: .08em;
	color: var(--muted);
}

/* ---------- 文章卡片 ---------- */
.post-list{
	display: flex;
	flex-direction: column;
	gap: 22px;
}
.post-list.layout-grid,
.post-list.layout-magazine{
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 26px;
}
.post-card{
	display: flex;
	flex-direction: column;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	overflow: hidden;
	transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .3s var(--ease);
}
.post-card:hover{
	transform: translateY(-5px);
	box-shadow: var(--shadow-hover);
	border-color: var(--line-strong);
}
.post-cover{
	width: 100%;
	aspect-ratio: 16 / 10;
}
.post-body{
	flex: 1;
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 20px 22px 22px;
	min-width: 0;
}
.post-kicker{
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
	font-size: 12px;
	color: var(--muted);
}
.post-title{
	font-size: 1.18rem;
	line-height: 1.34;
	letter-spacing: -.02em;
}
.post-title a:hover{
	color: var(--accent);
}
.post-excerpt{
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
	color: var(--muted);
	font-size: 14.5px;
}
.post-meta{
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: auto;
	padding-top: 8px;
	font-size: 12px;
	color: var(--muted);
}
.post-meta a:hover{
	color: var(--accent);
}
.post-tags{
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	font-size: 12px;
}
.post-tags a{
	color: var(--muted);
}
.post-tags a:hover{
	color: var(--accent);
}

/* 相关阅读：详情页主栏内固定两列，避免被侧栏主题压成窄条 */
.related .post-list.layout-grid{
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px;
}
.post-card.is-compact .post-cover{
	aspect-ratio: 16 / 9;
}
.post-card.is-compact .post-body{
	gap: 6px;
	padding: 14px 16px 16px;
}
.post-card.is-compact .post-title{
	font-size: 1.02rem;
	line-height: 1.4;
}
.post-card.is-compact .post-excerpt{
	font-size: 12.5px;
	line-height: 1.65;
	-webkit-line-clamp: 2;
}
.post-card.is-compact .post-tags{
	display: none;
}
.post-card.is-compact .post-meta{
	padding-top: 4px;
	font-size: 11px;
}

/* 单列阅读流：缩略图在左（仅作用于带 layout-list 的列表本身） */
.post-list.layout-list .post-card{
	flex-direction: row;
	align-items: stretch;
	min-height: 190px;
}
.post-list.layout-list .post-cover{
	flex: 0 0 270px;
	width: 270px;
	min-height: 190px;
	aspect-ratio: auto;
}
.post-list.layout-list .post-body{
	justify-content: center;
	padding: 24px 28px;
}
.post-list.layout-list .post-title{
	font-size: 1.36rem;
}

/* ---------- 加载更多与骨架屏 ---------- */
.load-more{
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	margin-top: 38px;
}
.load-more-btn[disabled]{
	opacity: .55;
	cursor: progress;
}
.load-more-note{
	margin: 0;
	font-family: var(--font-mono);
	font-size: 11.5px;
	letter-spacing: .06em;
	color: var(--muted);
}
.skeleton-grid{
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 24px;
	width: 100%;
}
.skeleton-card{
	padding-bottom: 20px;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background: var(--surface);
	overflow: hidden;
}
.sk-cover{
	display: block;
	aspect-ratio: 16 / 10;
	background: var(--surface-2);
}
.sk-line{
	display: block;
	height: 12px;
	margin: 14px 20px 0;
	border-radius: 6px;
	background: var(--surface-2);
}
.sk-line.w40{ width: 40%; }
.sk-line.w50{ width: 50%; }
.sk-line.w60{ width: 60%; }
.sk-line.w70{ width: 70%; }
.skeleton-card .sk-cover,
.sk-line{
	background-image: linear-gradient(90deg, var(--surface-2) 25%, var(--line) 37%, var(--surface-2) 63%);
	background-size: 400% 100%;
	animation: shimmer 1.4s ease infinite;
}
@keyframes shimmer{
	0%{ background-position: 100% 0; }
	100%{ background-position: 0 0; }
}

/* ---------- 分页 ---------- */
.pagination{
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 48px;
	padding-top: 24px;
	border-top: 1px solid var(--line);
}
.page-btn{
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 14px;
	border: 1px solid var(--line);
	border-radius: var(--radius-sm);
	font-size: 13px;
	color: var(--text);
}
.page-btn:hover{
	border-color: var(--accent);
	color: var(--accent);
}
.page-btn.is-disabled{
	opacity: .45;
	cursor: default;
}
.page-numbers{
	display: flex;
	align-items: center;
	gap: 6px;
}
.page-num{
	display: grid;
	place-items: center;
	min-width: 36px;
	height: 36px;
	padding: 0 8px;
	border: 1px solid var(--line);
	border-radius: var(--radius-sm);
	font-family: var(--font-mono);
	font-size: 12.5px;
}
.page-num:hover{
	border-color: var(--accent);
	color: var(--accent);
}
.page-num.is-current{
	background: var(--accent);
	border-color: var(--accent);
	color: var(--accent-ink);
	font-weight: 700;
}
.page-gap{
	color: var(--muted);
	font-size: 12px;
}

/* ---------- 归档页头 ---------- */
.archive-hero{
	padding: clamp(40px, 5vw, 66px) 0 30px;
	border-bottom: 1px solid var(--line);
	margin-bottom: 26px;
}
.archive-hero h1{
	font-size: clamp(2rem, 4.6vw, 3.2rem);
	letter-spacing: -.045em;
}
.archive-desc{
	max-width: 66ch;
	margin-top: 10px;
	color: var(--muted);
}
.archive-meta{
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 16px;
	font-family: var(--font-mono);
	font-size: 12.5px;
	letter-spacing: .06em;
	color: var(--muted);
}
.term-strip{
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 34px;
}
.term-chip{
	display: inline-flex;
	align-items: center;
	gap: 7px;
	padding: 6px 12px;
	border: 1px solid var(--line);
	border-radius: var(--radius-pill);
	font-size: 12.5px;
	color: var(--muted);
}
.term-chip span{
	font-family: var(--font-mono);
	font-size: 10.5px;
	opacity: .7;
}
.term-chip:hover,
.term-chip.is-active{
	border-color: var(--accent);
	color: var(--accent);
	background: var(--surface);
}

/* ---------- 空状态 ---------- */
.empty-state{
	padding: 64px 24px;
	border: 1px dashed var(--line-strong);
	border-radius: var(--radius);
	text-align: center;
}
.empty-title{
	font-size: 1.2rem;
	font-weight: 700;
	color: var(--text-strong);
}
.empty-desc{
	margin: 6px 0 18px;
	color: var(--muted);
	font-size: 13.5px;
}

/* ---------- 侧边栏 ---------- */
.site-sidebar{
	position: sticky;
	top: 96px;
	display: flex;
	flex-direction: column;
	gap: 22px;
}
.widget{
	padding: 22px 24px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.widget-title{
	font-size: 1rem;
	margin-bottom: 12px;
}
.widget-eyebrow{
	display: block;
	margin-bottom: 6px;
	font-family: var(--font-mono);
	font-size: 10.5px;
	letter-spacing: .16em;
	color: var(--muted);
}
.widget-desc{
	font-size: 13.5px;
	color: var(--muted);
}
.widget-more{
	display: inline-block;
	margin-top: 12px;
	font-size: 13px;
	font-weight: 600;
	color: var(--accent);
}
.cat-list li a{
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 7px 0;
	font-size: 13.5px;
}
.cat-list li a:hover{
	color: var(--accent);
}
.cat-dot{
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--dot, var(--accent));
	flex: none;
}
.cat-count{
	margin-left: auto;
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--muted);
}
.tag-cloud{
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}
.tag-cloud a{
	padding: 4px 10px;
	border: 1px solid var(--line);
	border-radius: var(--radius-pill);
	background: var(--surface-2);
	font-size: 12px;
	color: var(--muted);
}
.tag-cloud a:hover{
	border-color: var(--accent);
	color: var(--accent);
	background: var(--surface);
}
.recent-list li{
	display: flex;
	align-items: baseline;
	gap: 10px;
	padding: 8px 0;
	border-bottom: 1px dashed var(--line);
	font-size: 13px;
}
.recent-list li:last-child{
	border-bottom: 0;
}
.recent-index{
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--accent);
	flex: none;
}
.recent-list a{
	min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.recent-list a:hover{
	color: var(--accent);
}
.recent-date{
	margin-left: auto;
	font-size: 10.5px;
	color: var(--muted);
	flex: none;
}
.link-list li{
	padding: 6px 0;
	font-size: 13px;
}
.link-list a{
	color: var(--muted);
}
.link-list a:hover{
	color: var(--accent);
}

/* ---------- 文章详情 ---------- */
.post-wrap{
	padding-top: 32px;
}
.breadcrumb{
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin-bottom: 20px;
	font-size: 12.5px;
	color: var(--muted);
}
.breadcrumb a:hover{
	color: var(--accent);
}
.breadcrumb .crumb-current{
	max-width: 60ch;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.post-header{
	max-width: 900px;
}
.post-kicker{
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
	font-size: 12px;
	color: var(--muted);
}
.post-kicker-date{
	font-family: var(--font-mono);
	font-size: 11.5px;
	letter-spacing: .06em;
}
.single-post > .post-header .post-title{
	margin: 14px 0 18px;
	font-size: clamp(1.9rem, 4.4vw, 3.4rem);
	line-height: 1.12;
	letter-spacing: -.045em;
}
.post-cover-large{
	height: clamp(220px, 34vw, 380px);
	margin: 32px 0 40px;
	border-radius: var(--radius);
}
.post-layout{
	display: grid;
	grid-template-columns: minmax(0, 1fr) 300px;
	gap: 48px;
	align-items: start;
}
.post-main{
	min-width: 0;
}
.entry-content{
	font-size: 17px;
	line-height: 1.85;
	color: var(--text);
	overflow-wrap: break-word;
}
.entry-content > p{
	margin: 0 0 1.2em;
}
.entry-content h2{
	margin: 2em 0 .7em;
	font-size: clamp(1.4rem, 2.4vw, 1.8rem);
}
.entry-content h3{
	margin: 1.6em 0 .6em;
	font-size: 1.25rem;
}
.entry-content a{
	color: var(--accent);
	text-decoration: underline;
	text-underline-offset: 3px;
	text-decoration-thickness: 1px;
}
.entry-content blockquote{
	margin: 1.6em 0;
	padding: 14px 20px;
	border-left: 3px solid var(--accent);
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	background: var(--surface-2);
}
.entry-content img{
	margin: 1em 0;
	border-radius: var(--radius-sm);
}
.entry-content figure{
	margin: 1.4em 0;
	text-align: center;
}
.entry-content figcaption{
	margin-top: .5em;
	font-size: .85em;
	color: var(--text-2);
	text-align: center;
}
.entry-content ul,
.entry-content ol{
	margin: 0 0 1.2em;
	padding-left: 1.4em;
}
.entry-content li{
	list-style: disc;
	margin: .4em 0;
}
.entry-content ol li{
	list-style: decimal;
}
.entry-content code{
	padding: 2px 6px;
	border-radius: 5px;
	background: var(--surface-2);
	font-family: var(--font-mono);
	font-size: .9em;
}
.entry-content pre{
	margin: 1.4em 0;
	padding: 18px;
	border: 1px solid var(--line);
	border-radius: var(--radius-sm);
	background: var(--surface-2);
	overflow: auto;
}
.entry-content pre code{
	padding: 0;
	background: none;
}
.entry-content table{
	width: 100%;
	margin: 1.4em 0;
	border-collapse: collapse;
	font-size: 14px;
}
.entry-content th,
.entry-content td{
	padding: 8px 10px;
	border: 1px solid var(--line);
	text-align: left;
}
.entry-content hr{
	margin: 2em 0;
	border: 0;
	border-top: 1px solid var(--line);
}
.post-tags{
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 36px;
}
.post-tags .tags-label{
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: .12em;
	color: var(--muted);
}
.post-tags a{
	padding: 4px 10px;
	border: 1px solid var(--line);
	border-radius: var(--radius-pill);
	font-size: 12px;
	color: var(--muted);
}
.post-tags a:hover{
	border-color: var(--accent);
	color: var(--accent);
}
.author-card{
	display: flex;
	align-items: center;
	gap: 16px;
	flex-wrap: wrap;
	margin: 36px 0;
	padding: 24px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.author-avatar{
	display: grid;
	place-items: center;
	width: 56px;
	height: 56px;
	border-radius: 50%;
	background: var(--accent);
	color: var(--accent-ink);
	font-size: 22px;
	font-weight: 800;
	flex: none;
}
.author-info{
	flex: 1;
	min-width: 200px;
}
.author-eyebrow{
	font-family: var(--font-mono);
	font-size: 10px;
	letter-spacing: .16em;
	color: var(--muted);
}
.author-name{
	margin-top: 2px;
	font-size: 1.05rem;
}
.author-bio{
	margin-top: 2px;
	font-size: 13px;
	color: var(--muted);
}
.author-link{
	font-size: 13px;
	font-weight: 600;
	color: var(--accent);
}
.post-nav{
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin: 36px 0;
}
.post-nav-item{
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 16px 18px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius-sm);
}
.post-nav-item.is-next{
	text-align: right;
}
.post-nav-item:hover{
	border-color: var(--accent);
}
.post-nav-item.is-disabled{
	opacity: .5;
	cursor: default;
}
.post-nav-label{
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: .08em;
	color: var(--muted);
}
.post-nav-title{
	font-size: 13.5px;
	font-weight: 600;
	line-height: 1.4;
}
.related{
	margin-top: 48px;
}
.post-aside{
	position: sticky;
	top: 96px;
}
.toc,
.aside-card{
	margin-bottom: 18px;
	padding: 18px 20px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.toc-title,
.aside-title{
	margin-bottom: 10px;
	font-size: .9rem;
}
.toc-list li{
	margin: 6px 0;
}
.toc-list a{
	display: block;
	padding: 3px 0 3px 10px;
	border-left: 2px solid transparent;
	font-size: 13px;
	color: var(--muted);
}
.toc-list a:hover,
.toc-list a.is-active{
	border-left-color: var(--accent);
	color: var(--accent);
}
.toc-list .toc-sub{
	padding-left: 20px;
	font-size: 12px;
}
.aside-home a{
	display: block;
	padding: 6px 0;
	font-size: 13px;
	color: var(--muted);
}
.aside-home a:hover{
	color: var(--accent);
}

/* ---------- 评论 ---------- */
.comments{
	margin-top: 56px;
	padding-top: 32px;
	border-top: 1px solid var(--line);
}
.comments-title{
	font-size: 1.3rem;
}
.comments-title .count{
	margin-left: 4px;
	font-size: .8em;
	color: var(--accent);
}
.comments-sub{
	margin-top: 4px;
	font-size: 13px;
	color: var(--muted);
}
.comment-list{
	display: flex;
	flex-direction: column;
	gap: 18px;
	margin-top: 22px;
}
.comment{
	display: flex;
	gap: 14px;
	padding: 18px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius-sm);
}
.comment-avatar{
	display: grid;
	place-items: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: var(--surface-2);
	color: var(--accent);
	font-weight: 700;
	flex: none;
}
.comment-main{
	flex: 1;
	min-width: 0;
}
.comment-meta{
	display: flex;
	align-items: baseline;
	flex-wrap: wrap;
	gap: 10px;
}
.comment-name{
	font-size: 13.5px;
}
.comment-date{
	font-family: var(--font-mono);
	font-size: 11.5px;
	color: var(--muted);
}
.comment-content{
	margin-top: 6px;
	font-size: 14px;
	line-height: 1.7;
}
.comments-empty{
	margin-top: 18px;
	font-size: 13.5px;
	color: var(--muted);
}
.comment-form{
	margin-top: 28px;
	padding: 24px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.form-title{
	margin-bottom: 14px;
	font-size: 1.08rem;
}
.field-row{
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}
.field{
	display: flex;
	flex-direction: column;
	gap: 6px;
	margin-bottom: 14px;
}
.field label{
	font-size: 12.5px;
	font-weight: 600;
}
.field input,
.field textarea{
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--line);
	border-radius: var(--radius-sm);
	background: var(--bg-soft);
	font-size: 14px;
	color: var(--text);
	transition: border-color .2s, box-shadow .2s;
}
.field textarea{
	resize: vertical;
	min-height: 110px;
}
.field input:focus,
.field textarea:focus{
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--selection);
}
.optional{
	font-weight: 400;
	color: var(--muted);
}
.required{
	color: #c0392b;
}
html[data-mode="dark"] .required{
	color: #ff9d9d;
}
.form-actions{
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 14px;
}
.form-hint{
	font-size: 12px;
	color: var(--muted);
}
.form-alert{
	margin: 18px 0;
	padding: 10px 14px;
	border: 1px solid #f5c6c6;
	border-radius: var(--radius-sm);
	background: #fdecec;
	color: #8a1c1c;
	font-size: 13px;
}
html[data-mode="dark"] .form-alert{
	border-color: #5c2222;
	background: #3a1616;
	color: #ffc9c9;
}

/* ---------- 关于页 ---------- */
.about-wrap{
	padding-top: 36px;
}
.about-hero{
	padding: clamp(24px, 4vw, 48px) 0 32px;
	border-bottom: 1px solid var(--line);
}
.about-hero h1{
	font-size: clamp(2.2rem, 5vw, 3.8rem);
	letter-spacing: -.045em;
}
.about-lead{
	max-width: 60ch;
	margin-top: 12px;
	font-size: 17px;
	color: var(--muted);
}
.about-grid{
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 56px;
	margin-top: 44px;
}
.about-story h2{
	margin-bottom: 14px;
	font-size: 1.5rem;
}
.story-body{
	font-size: 16px;
	line-height: 1.9;
}
.story-body p{
	margin-bottom: 1em;
}
.value-grid{
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
	margin-top: 32px;
}
.value-card{
	padding: 20px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.value-index{
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--accent);
}
.value-card h3{
	margin: 8px 0 6px;
	font-size: 1rem;
}
.value-card p{
	font-size: 13px;
	color: var(--muted);
}
.stats-grid{
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 12px;
}
.stat{
	padding: 18px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.stat strong{
	display: block;
	font-size: 1.8rem;
	line-height: 1.1;
	color: var(--accent);
}
.stat span{
	font-size: 12px;
	color: var(--muted);
}
.about-card{
	margin-top: 16px;
	padding: 20px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.about-links li{
	margin: 8px 0;
}
.about-links a{
	font-size: 13.5px;
	color: var(--muted);
}
.about-links a:hover{
	color: var(--accent);
}
.about-categories{
	margin-top: 56px;
}
.category-grid{
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 18px;
}
.category-card{
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 6px;
	min-height: 150px;
	padding: 22px;
	border-radius: var(--radius);
	background: linear-gradient(150deg, var(--cat, var(--accent)) 0%, var(--cat-dark, #222) 100%);
	color: #fff;
	overflow: hidden;
}
.category-card::after{
	content: "";
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
	background-size: 26px 26px;
	opacity: .5;
	pointer-events: none;
}
.category-card > *{
	position: relative;
	z-index: 1;
}
.category-index{
	font-family: var(--font-mono);
	font-size: 11px;
	opacity: .85;
}
.category-name{
	font-size: 1.2rem;
	font-weight: 700;
}
.category-desc{
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	font-size: 12.5px;
	opacity: .88;
}
.category-count{
	margin-top: auto;
	font-size: 12px;
	opacity: .92;
}
.about-cta{
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 10px;
	margin-top: 56px;
	padding: 36px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.about-cta h2{
	font-size: 1.4rem;
}
.about-cta p{
	font-size: 14px;
	color: var(--muted);
}
.cta-actions{
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 8px;
}

/* ---------- 页脚 ---------- */
.site-footer{
	margin-top: 40px;
	background: var(--surface);
	border-top: 1px solid var(--line);
}
.footer-main{
	display: grid;
	grid-template-columns: 1.6fr 1fr 1.2fr 1fr;
	gap: 40px;
	padding: 56px 0 36px;
}
.brand-footer{
	margin-bottom: 14px;
}
.footer-note{
	max-width: 34ch;
	font-size: 13px;
	color: var(--muted);
}
.footer-more{
	display: inline-block;
	margin-top: 12px;
	font-size: 13px;
	font-weight: 600;
	color: var(--accent);
}
.footer-title{
	margin-bottom: 14px;
	font-family: var(--font-mono);
	font-size: .78rem;
	font-weight: 600;
	letter-spacing: .14em;
	text-transform: uppercase;
	color: var(--muted);
}
.footer-list li{
	margin: 8px 0;
	font-size: 13px;
}
.footer-list a{
	display: flex;
	justify-content: space-between;
	gap: 10px;
}
.footer-list a:hover{
	color: var(--accent);
}
.footer-list span{
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--muted);
}
.footer-tags{
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}
.footer-tags a{
	padding: 3px 8px;
	border: 1px solid var(--line);
	border-radius: var(--radius-pill);
	font-size: 12px;
	color: var(--muted);
}
.footer-tags a:hover{
	border-color: var(--accent);
	color: var(--accent);
}
.footer-meta{
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 16px;
	padding: 18px 0;
	border-top: 1px solid var(--line);
	font-size: 12px;
	color: var(--muted);
}
.footer-copy{
	margin: 0;
}
.footer-nav{
	display: flex;
	gap: 16px;
}
.footer-nav a:hover{
	color: var(--accent);
}
.footer-subtle{
	padding: 10px 0 22px;
	font-size: 11.5px;
	line-height: 2;
	color: var(--muted);
	opacity: .78;
}
.footer-subtle a{
	border-bottom: 1px dotted transparent;
	color: inherit;
}
.footer-subtle a:hover{
	border-bottom-color: currentColor;
	opacity: 1;
}
.footer-subtle .sep{
	margin: 0 6px;
	opacity: .6;
}

/* ---------- 回到顶部 / 预览标记 ---------- */
.to-top{
	position: fixed;
	right: 22px;
	bottom: 22px;
	z-index: 80;
	display: grid;
	place-items: center;
	width: 42px;
	height: 42px;
	border: 1px solid var(--line-strong);
	border-radius: 50%;
	background: var(--surface);
	color: var(--text);
	font-size: 16px;
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transform: translateY(10px);
	transition: opacity .3s, visibility .3s, transform .3s;
}
.to-top.is-visible{
	opacity: 1;
	visibility: visible;
	transform: none;
}
.preview-badge{
	position: fixed;
	left: 18px;
	bottom: 18px;
	z-index: 90;
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 8px 14px;
	border: 1px solid var(--line-strong);
	border-radius: var(--radius-pill);
	background: var(--surface);
	box-shadow: var(--shadow);
	font-size: 12px;
	color: var(--muted);
}
.preview-badge strong{
	color: var(--text);
}
.preview-badge a{
	color: var(--accent);
}
.preview-dot{
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--accent);
}
.preview-sep{
	opacity: .5;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px){
	.content-shell.with-sidebar{
		grid-template-columns: minmax(0, 1fr) 280px;
		gap: 32px;
	}
	.post-layout{
		grid-template-columns: minmax(0, 1fr) 260px;
		gap: 32px;
	}
	.about-grid{
		grid-template-columns: minmax(0, 1fr) 280px;
		gap: 32px;
	}
}
@media (max-width: 900px){
	.header-inner .header-search{
		display: none;
	}
	.nav-toggle{
		display: grid;
	}
	.primary-nav{
		display: none;
		position: absolute;
		left: 0;
		right: 0;
		top: 100%;
		padding: 12px 24px 20px;
		background: var(--surface);
		border-bottom: 1px solid var(--line);
		box-shadow: var(--shadow);
	}
	.primary-nav.is-open{
		display: block;
	}
	.nav-list{
		flex-direction: column;
		align-items: stretch;
		gap: 2px;
	}
	.nav-list > li > a,
	.nav-list summary{
		display: block;
		padding: 10px 12px;
	}
	.nav-dropdown details .dropdown-list{
		position: static;
		min-width: 0;
		padding: 4px 0 8px 12px;
		border: 0;
		background: transparent;
		box-shadow: none;
	}
	.content-shell.with-sidebar,
	.post-layout,
	.about-grid{
		grid-template-columns: 1fr;
	}
	.site-sidebar,
	.post-aside{
		position: static;
	}
	.hero{
		grid-template-columns: 1fr;
	}
	.hero-cover{
		order: -1;
		min-height: 230px;
	}
	.post-list.layout-list .post-card{
		flex-direction: column;
	}
	.post-list.layout-list .post-cover{
		width: 100%;
		flex: none;
		min-height: 0;
		aspect-ratio: 16 / 10;
	}
	.footer-main{
		grid-template-columns: 1fr 1fr;
		gap: 28px;
	}
	.value-grid{
		grid-template-columns: 1fr;
	}
}
@media (max-width: 640px){
	.header-inner{
		min-height: 64px;
		gap: 10px;
	}
	.brand{
		-webkit-box-flex: 0;
		-ms-flex: 0 1 auto;
		flex: 0 1 auto;
		min-width: 0;
	}
	.brand-text{
		min-width: 0;
		overflow: hidden;
	}
	.brand-name{
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;
	}
	.brand-sub{
		display: none;
	}
	.header-actions{
		-ms-flex: none;
		flex: none;
		gap: 6px;
	}
	.hero-copy{
		padding: 24px 20px 28px;
	}
	.hero-cover{
		min-height: 200px;
	}
	.page-intro h1,
	.archive-hero h1,
	.about-hero h1{
		font-size: 1.95rem;
	}
	.single-post > .post-header .post-title{
		font-size: 1.72rem;
	}
	.entry-content{
		font-size: 16px;
	}
	.field-row{
		grid-template-columns: 1fr;
		gap: 0;
	}
	.footer-main{
		grid-template-columns: 1fr;
		gap: 26px;
	}
	.footer-meta{
		flex-direction: column;
		align-items: flex-start;
	}
	.post-nav{
		grid-template-columns: 1fr;
	}
	.post-nav-item.is-next{
		text-align: left;
	}
	.pagination{
		justify-content: center;
	}
	.skeleton-grid{
		grid-template-columns: 1fr;
	}
	.related .post-list.layout-grid{
		grid-template-columns: 1fr;
	}
	.preview-badge{
		left: 10px;
		bottom: 10px;
		padding: 6px 10px;
		font-size: 11px;
	}
	.to-top{
		right: 12px;
		bottom: 12px;
	}
}

/* ==========================================================================
   广告位（LinkCenter 广告系统）
   ========================================================================== */
.ad-zone{
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
	margin: 22px 0;
}

.ad-zone .ad-item{
	display: block;
	max-width: 100%;
	text-decoration: none;
}

.ad-zone .ad-item img{
	display: block;
	max-width: 100%;
	height: auto;
	border-radius: var(--radius-sm);
	box-shadow: var(--shadow);
}

.ad-zone .ad-text{
	width: 100%;
	padding: 12px 16px;
	border: 1px solid var(--line);
	border-radius: var(--radius-sm);
	background: var(--surface);
	color: var(--muted);
	font-size: 13.5px;
	line-height: 1.7;
	text-align: center;
}

.ad-zone .ad-text strong{
	margin-right: 4px;
	color: var(--text-strong);
}

.ad-zone .ad-text.ad-item:hover{
	border-color: var(--accent);
	color: var(--accent);
}

.ad-zone-home_top{
	margin-top: 0;
}

.ad-zone-article_bottom{
	margin: 26px 0 4px;
}

.footer-ad{
	padding: 6px 0 0;
}

.footer-ad .ad-zone{
	margin: 0 0 8px;
}

.footer-ad .ad-text{
	border-color: transparent;
	background: transparent;
	color: var(--muted);
	font-size: 12.5px;
}

.footer-ad .ad-item img{
	box-shadow: none;
	max-height: 64px;
	width: auto;
}