/* =========================================================================
 * Nebula 星云 — Design System
 * 暗色科技风 · 紫色渐变主视觉 · 明暗双主题
 * ====================================================================== */

/* -------------------------------------------------------------------------
 * 1. Tokens
 * ---------------------------------------------------------------------- */
:root {
	/* palette — dark (default) */
	--bg: #05060f;
	--bg-soft: #0a0d1d;
	--panel: rgba(13, 16, 36, 0.72);
	--card: #0d1126;
	--card-2: #101531;
	--border: rgba(148, 163, 184, 0.14);
	--border-strong: rgba(148, 163, 184, 0.24);
	--ink: #e8eaf6;
	--ink-2: #b7bdd4;
	--muted: #8b93ad;
	--faint: #5d6580;

	--accent: #8b5cf6;
	--accent-2: #6d5cff;
	--accent-3: #a78bfa;
	--accent-ink: #ffffff;
	--accent-soft: rgba(139, 92, 246, 0.14);
	--accent-line: rgba(139, 92, 246, 0.38);
	--grad: linear-gradient(120deg, #8b5cf6, #6d5cff 55%, #4f46e5);
	--grad-text: linear-gradient(105deg, #ffffff 15%, #c4b5fd 55%, #8b5cf6 90%);
	--danger: #f87171;
	--ok: #34d399;
	--warn: #fbbf24;

	--shadow-1: 0 10px 30px rgba(2, 4, 16, 0.45);
	--shadow-2: 0 22px 60px rgba(2, 4, 16, 0.55);
	--glow: 0 0 0 1px rgba(139, 92, 246, 0.25), 0 12px 44px rgba(109, 92, 255, 0.22);

	/* shape & rhythm */
	--radius: 16px;
	--radius-lg: 22px;
	--radius-sm: 10px;
	--container: 1200px;
	--header-h: 66px;

	/* type */
	--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
		"Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Segoe UI",
		Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code",
		"Source Code Pro", Menlo, Consolas, monospace;

	/* motion */
	--ease: cubic-bezier(0.22, 0.61, 0.36, 1);
	--dur: 0.32s;
}

html[data-nebula-theme='light'] {
	--bg: #f3f4fa;
	--bg-soft: #eceef8;
	--panel: rgba(255, 255, 255, 0.82);
	--card: #ffffff;
	--card-2: #f7f8fd;
	--border: rgba(23, 26, 58, 0.1);
	--border-strong: rgba(23, 26, 58, 0.18);
	--ink: #191c30;
	--ink-2: #3c415c;
	--muted: #6a7089;
	--faint: #9aa0b8;

	--accent: #7c3aed;
	--accent-2: #6d28d9;
	--accent-3: #8b5cf6;
	--accent-soft: rgba(124, 58, 237, 0.1);
	--accent-line: rgba(124, 58, 237, 0.32);
	--grad: linear-gradient(120deg, #7c3aed, #6d5cff 55%, #4f46e5);
	--grad-text: linear-gradient(105deg, #1d1b3a 10%, #5b3df0 60%, #7c3aed 95%);

	--shadow-1: 0 10px 30px rgba(31, 27, 72, 0.1);
	--shadow-2: 0 22px 60px rgba(31, 27, 72, 0.14);
	--glow: 0 0 0 1px rgba(124, 58, 237, 0.18), 0 12px 40px rgba(124, 58, 237, 0.14);
}

/* -------------------------------------------------------------------------
 * 2. Base
 * ---------------------------------------------------------------------- */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: var(--font-sans);
	font-size: 16px;
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

/* 全局氛围光 */
body::before {
	content: '';
	position: fixed;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	background:
		radial-gradient(52vw 40vh at 82% -6%, rgba(109, 92, 255, 0.16), transparent 62%),
		radial-gradient(40vw 34vh at 6% 12%, rgba(139, 92, 246, 0.1), transparent 60%);
}
html[data-nebula-theme='light'] body::before {
	background:
		radial-gradient(52vw 40vh at 82% -6%, rgba(124, 58, 237, 0.08), transparent 62%),
		radial-gradient(40vw 34vh at 6% 12%, rgba(109, 92, 255, 0.06), transparent 60%);
}

img {
	max-width: 100%;
	height: auto;
}

a {
	color: var(--accent-3);
	text-decoration: none;
	transition: color var(--dur) var(--ease);
}
a:hover {
	color: var(--accent);
}

::selection {
	background: rgba(139, 92, 246, 0.35);
	color: #fff;
}

:focus-visible {
	outline: 2px solid var(--accent-3);
	outline-offset: 2px;
	border-radius: 4px;
}

[hidden] {
	display: none !important;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

.skip-link:focus {
	position: fixed;
	top: 12px;
	left: 12px;
	z-index: 999;
	width: auto;
	height: auto;
	clip: auto;
	padding: 10px 18px;
	background: var(--accent);
	color: #fff;
	border-radius: var(--radius-sm);
}

.nebula-container {
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: 24px;
}

.nebula-narrow {
	max-width: 860px;
}

/* admin bar */
body.admin-bar .nebula-header {
	top: 32px;
}
body.admin-bar .nebula-progress {
	top: 32px;
}
@media screen and (max-width: 782px) {
	body.admin-bar .nebula-header {
		top: 46px;
	}
	body.admin-bar .nebula-progress {
		top: 46px;
	}
}

/* -------------------------------------------------------------------------
 * 3. Header / Nav
 * ---------------------------------------------------------------------- */
.nebula-progress {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	z-index: 120;
	pointer-events: none;
}
.nebula-progress-bar {
	height: 100%;
	width: 0;
	background: var(--grad);
	box-shadow: 0 0 12px rgba(139, 92, 246, 0.8);
	transition: width 0.08s linear;
}
.nebula-progress-label {
	position: absolute;
	right: 14px;
	top: 10px;
	font-size: 11px;
	letter-spacing: 0.08em;
	color: var(--muted);
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 999px;
	padding: 2px 9px;
	opacity: 0;
	transform: translateY(-4px);
	transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.nebula-progress.is-active .nebula-progress-label {
	opacity: 1;
	transform: none;
}

.nebula-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--bg);
	background: color-mix(in srgb, var(--bg) 78%, transparent);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--border);
}
.nebula-header-inner {
	display: flex;
	align-items: center;
	gap: 28px;
	height: var(--header-h);
}

.nebula-logo {
	display: inline-flex;
	align-items: center;
	gap: 11px;
	color: var(--ink);
}
.nebula-logo:hover {
	color: var(--ink);
}
.nebula-logo-mark {
	display: grid;
	place-items: center;
	width: 36px;
	height: 36px;
	border-radius: 10px;
	color: #fff;
	background: var(--grad);
	box-shadow: 0 4px 18px rgba(109, 92, 255, 0.45);
}
.nebula-logo-text {
	display: flex;
	flex-direction: column;
	line-height: 1.15;
}
.nebula-logo-title {
	font-size: 19px;
	font-weight: 700;
	letter-spacing: 0.02em;
}
.nebula-logo-sub {
	font-size: 9.5px;
	letter-spacing: 0.34em;
	color: var(--muted);
	text-transform: uppercase;
}
.custom-logo-link img {
	max-height: 40px;
	width: auto;
}

.nebula-nav {
	margin-left: auto;
}
.nebula-menu {
	display: flex;
	align-items: center;
	gap: 6px;
	list-style: none;
	margin: 0;
	padding: 0;
}
.nebula-menu li {
	position: relative;
}
.nebula-menu a {
	display: block;
	padding: 8px 14px;
	font-size: 15px;
	color: var(--ink-2);
	border-radius: var(--radius-sm);
	position: relative;
}
.nebula-menu a:hover {
	color: var(--ink);
	background: var(--accent-soft);
}
.nebula-menu .current-menu-item > a,
.nebula-menu .current_page_item > a {
	color: var(--accent-3);
	font-weight: 600;
}
.nebula-menu .current-menu-item > a::after,
.nebula-menu .current_page_item > a::after {
	content: '';
	position: absolute;
	left: 50%;
	bottom: -2px;
	transform: translateX(-50%);
	width: 18px;
	height: 3px;
	border-radius: 3px;
	background: var(--grad);
	box-shadow: 0 0 10px rgba(139, 92, 246, 0.7);
}

.nebula-header-actions {
	display: flex;
	align-items: center;
	gap: 6px;
}
.nebula-icon-btn {
	display: grid;
	place-items: center;
	width: 38px;
	height: 38px;
	padding: 0;
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	background: transparent;
	color: var(--ink-2);
	cursor: pointer;
	transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nebula-icon-btn:hover {
	color: var(--accent-3);
	border-color: var(--accent-line);
	background: var(--accent-soft);
}

/* 主题切换按钮：暗色时显示月亮 */
#nebula-theme-toggle .icon-sun {
	display: none;
}
html[data-nebula-theme='light'] #nebula-theme-toggle .icon-sun {
	display: block;
}
html[data-nebula-theme='light'] #nebula-theme-toggle .icon-moon {
	display: none;
}

.nebula-burger {
	display: none;
}

/* 搜索浮层 */
.nebula-search-overlay {
	position: fixed;
	inset: 0;
	z-index: 200;
	background: rgba(4, 5, 14, 0.72);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	display: grid;
	place-items: start center;
	padding-top: 18vh;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.25s var(--ease);
}
.nebula-search-overlay.is-open {
	opacity: 1;
	pointer-events: auto;
}
.nebula-search-panel {
	width: min(640px, calc(100vw - 40px));
	background: var(--card);
	border: 1px solid var(--border-strong);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-2);
	padding: 18px 20px 12px;
	transform: translateY(-12px) scale(0.98);
	transition: transform 0.25s var(--ease);
}
.nebula-search-overlay.is-open .nebula-search-panel {
	transform: none;
}
.nebula-search-form {
	display: flex;
	align-items: center;
	gap: 12px;
	color: var(--muted);
}
.nebula-search-input {
	flex: 1;
	background: transparent;
	border: 0;
	color: var(--ink);
	font-size: 18px;
	padding: 8px 2px;
}
.nebula-search-input:focus {
	outline: none;
}
.nebula-search-hint {
	margin: 10px 2px 0;
	font-size: 12px;
	color: var(--faint);
}

/* 面包屑 */
.nebula-breadcrumb {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	max-width: var(--container);
	margin: 18px auto -6px;
	padding-inline: 24px;
	font-size: 13px;
	color: var(--muted);
}
.nebula-breadcrumb a {
	color: var(--muted);
}
.nebula-breadcrumb a:hover {
	color: var(--accent-3);
}
.nebula-crumb-current {
	color: var(--ink-2);
}

/* -------------------------------------------------------------------------
 * 4. Hero
 * ---------------------------------------------------------------------- */
.nebula-hero {
	position: relative;
	overflow: hidden;
}
.nebula-hero::before {
	content: '';
	position: absolute;
	inset: 0;
	pointer-events: none;
	background-image:
		radial-gradient(1.4px 1.4px at 12% 28%, rgba(255, 255, 255, 0.5), transparent 55%),
		radial-gradient(1px 1px at 28% 64%, rgba(255, 255, 255, 0.32), transparent 55%),
		radial-gradient(1.6px 1.6px at 44% 18%, rgba(255, 255, 255, 0.42), transparent 55%),
		radial-gradient(1px 1px at 58% 74%, rgba(255, 255, 255, 0.26), transparent 55%),
		radial-gradient(1.3px 1.3px at 71% 32%, rgba(255, 255, 255, 0.4), transparent 55%),
		radial-gradient(1px 1px at 86% 58%, rgba(255, 255, 255, 0.3), transparent 55%),
		radial-gradient(1.2px 1.2px at 93% 14%, rgba(255, 255, 255, 0.36), transparent 55%);
}
html[data-nebula-theme='light'] .nebula-hero::before {
	filter: invert(1) opacity(0.16);
}

.nebula-hero-inner {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
	align-items: center;
	gap: 32px;
	padding-block: 72px 64px;
	min-height: 520px;
}

.nebula-hero-kicker {
	margin: 0 0 14px;
	color: var(--accent-3);
	font-family: var(--font-mono);
	font-size: 14.5px;
	letter-spacing: 0.06em;
}

.nebula-hero-title {
	margin: 0 0 18px;
	font-size: clamp(44px, 7vw, 76px);
	font-weight: 800;
	line-height: 1.12;
	letter-spacing: 0.04em;
	background: var(--grad-text);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	text-shadow: 0 0 60px rgba(139, 92, 246, 0.25);
}

.nebula-hero-sub {
	margin: 0 0 30px;
	color: var(--ink-2);
	font-size: 17px;
	line-height: 2;
}
.nebula-hero-sub p {
	margin: 0;
}

.nebula-hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-bottom: 40px;
}

/* 按钮 */
.nebula-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 11px 22px;
	border-radius: 12px;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.4;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
		background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nebula-btn:active {
	transform: translateY(1px);
}
.nebula-btn-primary {
	color: var(--accent-ink);
	background: var(--grad);
	box-shadow: 0 8px 24px rgba(109, 92, 255, 0.35);
}
.nebula-btn-primary:hover {
	color: #fff;
	transform: translateY(-2px);
	box-shadow: 0 12px 32px rgba(109, 92, 255, 0.5);
}
.nebula-btn-ghost {
	color: var(--ink-2);
	background: transparent;
	border-color: var(--border-strong);
}
.nebula-btn-ghost:hover {
	color: var(--accent-3);
	border-color: var(--accent-line);
	background: var(--accent-soft);
	transform: translateY(-2px);
}

/* 统计 */
.nebula-hero-stats {
	display: flex;
	flex-wrap: wrap;
	gap: 10px 34px;
	margin: 0;
}
.nebula-stat dt {
	display: flex;
	align-items: center;
	gap: 8px;
	margin: 0 0 4px;
	font-size: 12.5px;
	color: var(--muted);
}
.nebula-stat-icon {
	display: grid;
	place-items: center;
	width: 30px;
	height: 30px;
	border-radius: 9px;
	color: var(--accent-3);
	background: var(--accent-soft);
	border: 1px solid var(--accent-line);
}
.nebula-stat dd {
	margin: 0;
	font-size: 26px;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.01em;
}

/* 视觉：立方体 + 轨道 */
.nebula-hero-visual {
	position: relative;
	height: 420px;
	display: grid;
	place-items: center;
}
.nebula-cube {
	position: relative;
	z-index: 3;
	width: 190px;
	height: 190px;
	display: grid;
	place-items: center;
	color: #cfd6ff;
	border-radius: 34px;
	border: 1.5px solid rgba(167, 139, 250, 0.55);
	background:
		linear-gradient(145deg, rgba(109, 92, 255, 0.28), rgba(13, 16, 40, 0.65) 55%),
		linear-gradient(315deg, rgba(79, 70, 229, 0.35), transparent 60%);
	box-shadow:
		inset 0 0 40px rgba(139, 92, 246, 0.35),
		0 0 60px rgba(109, 92, 255, 0.35),
		0 30px 80px rgba(2, 4, 16, 0.6);
	backdrop-filter: blur(4px);
	transform: rotate(12deg);
	animation: nebula-float 7s ease-in-out infinite;
}
.nebula-cube svg {
	width: 84px;
	height: 84px;
	filter: drop-shadow(0 0 18px rgba(139, 92, 246, 0.9));
}
.nebula-cube-glow {
	position: absolute;
	z-index: 2;
	width: 300px;
	height: 300px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(139, 92, 246, 0.3), rgba(109, 92, 255, 0.12) 45%, transparent 70%);
	filter: blur(6px);
	animation: nebula-pulse 5s ease-in-out infinite;
}
.nebula-orbit {
	position: absolute;
	border-radius: 50%;
	border: 1px solid rgba(148, 130, 255, 0.22);
	transform: rotateX(68deg);
}
.nebula-orbit-1 {
	width: 330px;
	height: 330px;
	animation: nebula-spin 26s linear infinite;
}
.nebula-orbit-2 {
	width: 430px;
	height: 430px;
	border-style: dashed;
	border-color: rgba(148, 130, 255, 0.14);
	animation: nebula-spin 40s linear infinite reverse;
}
.nebula-orbit-3 {
	width: 520px;
	height: 520px;
	border-color: rgba(148, 130, 255, 0.08);
	animation: nebula-spin 60s linear infinite;
}
.nebula-platform {
	position: absolute;
	bottom: 26px;
	width: 320px;
	height: 64px;
	border-radius: 50%;
	background: radial-gradient(ellipse at center, rgba(109, 92, 255, 0.4), rgba(109, 92, 255, 0.08) 55%, transparent 72%);
	filter: blur(4px);
}
.nebula-spark {
	position: absolute;
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background: #c4b5fd;
	box-shadow: 0 0 12px 2px rgba(139, 92, 246, 0.8);
	animation: nebula-twinkle 3.4s ease-in-out infinite;
}
.nebula-spark-1 {
	top: 16%;
	left: 18%;
}
.nebula-spark-2 {
	top: 68%;
	left: 10%;
	animation-delay: 1.2s;
}
.nebula-spark-3 {
	top: 24%;
	right: 12%;
	animation-delay: 2.1s;
}

@keyframes nebula-float {
	0%,
	100% {
		transform: rotate(12deg) translateY(0);
	}
	50% {
		transform: rotate(12deg) translateY(-14px);
	}
}
@keyframes nebula-spin {
	to {
		transform: rotateX(68deg) rotate(360deg);
	}
}
@keyframes nebula-pulse {
	0%,
	100% {
		opacity: 0.7;
		transform: scale(0.94);
	}
	50% {
	opacity: 1;
		transform: scale(1.05);
	}
}
@keyframes nebula-twinkle {
	0%,
	100% {
		opacity: 0.25;
	}
	50% {
		opacity: 1;
	}
}

/* -------------------------------------------------------------------------
 * 5. 布局骨架
 * ---------------------------------------------------------------------- */
.nebula-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 336px;
	gap: 28px;
	padding-block: 26px 60px;
	align-items: start;
}

.nebula-card {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: var(--shadow-1);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}

.nebula-section-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 18px;
}
.nebula-section-title {
	position: relative;
	margin: 0;
	padding-left: 14px;
	font-size: 21px;
	font-weight: 700;
	letter-spacing: 0.01em;
}
.nebula-section-title::before {
	content: '';
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 4px;
	height: 20px;
	border-radius: 4px;
	background: var(--grad);
	box-shadow: 0 0 12px rgba(139, 92, 246, 0.8);
}
.nebula-section-more {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 13.5px;
	color: var(--muted);
}
.nebula-section-more:hover {
	color: var(--accent-3);
}

.nebula-empty {
	color: var(--muted);
	font-size: 13.5px;
	margin: 6px 0;
}
.nebula-empty-state {
	padding: 44px 24px;
	text-align: center;
	color: var(--muted);
}
.nebula-empty-state .nebula-searchform {
	max-width: 380px;
	margin: 18px auto 0;
}

/* -------------------------------------------------------------------------
 * 6. 文章卡片
 * ---------------------------------------------------------------------- */
.nebula-post-list {
	display: flex;
	flex-direction: column;
	gap: 18px;
}

.nebula-post-card {
	display: grid;
	grid-template-columns: 216px minmax(0, 1fr);
	gap: 20px;
	padding: 18px;
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: var(--shadow-1);
	transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nebula-post-card:hover {
	transform: translateY(-4px);
	border-color: var(--accent-line);
	box-shadow: var(--shadow-2), var(--glow);
}

.nebula-post-thumb {
	position: relative;
	display: block;
	align-self: start;
	border-radius: 12px;
	overflow: hidden;
	aspect-ratio: 8 / 5;
	background: var(--card-2);
}
.nebula-post-thumb img,
.nebula-card-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.5s var(--ease);
}
.nebula-post-card:hover .nebula-post-thumb img {
	transform: scale(1.05);
}
.nebula-thumb-fallback {
	display: grid;
	place-items: center;
	width: 100%;
	height: 100%;
	color: rgba(196, 181, 253, 0.9);
	background:
		radial-gradient(80% 90% at 20% 10%, rgba(139, 92, 246, 0.3), transparent 60%),
		radial-gradient(90% 90% at 90% 90%, rgba(79, 70, 229, 0.35), transparent 60%),
		var(--card-2);
}

.nebula-post-body {
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 8px;
}
.nebula-post-title {
	margin: 2px 0 0;
	font-size: 18.5px;
	font-weight: 700;
	line-height: 1.5;
}
.nebula-post-title a {
	color: var(--ink);
}
.nebula-post-title a:hover {
	color: var(--accent-3);
}

.nebula-badge {
	display: inline-flex;
	align-items: center;
	padding: 2px 9px;
	margin-right: 8px;
	border-radius: 7px;
	font-size: 11.5px;
	font-weight: 600;
	letter-spacing: 0.04em;
	vertical-align: 3px;
}
.nebula-badge-pin {
	color: #fff;
	background: var(--grad);
	box-shadow: 0 2px 10px rgba(109, 92, 255, 0.4);
}
.nebula-badge-cat {
	color: var(--accent-3);
	background: var(--accent-soft);
	border: 1px solid var(--accent-line);
	padding: 4px 12px;
	font-size: 12.5px;
	border-radius: 8px;
	margin: 0;
	width: fit-content;
}

.nebula-post-excerpt {
	margin: 0;
	color: var(--muted);
	font-size: 14.5px;
	line-height: 1.85;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.nebula-post-meta {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: auto;
	padding-top: 6px;
	font-size: 12.8px;
	color: var(--faint);
	font-variant-numeric: tabular-nums;
}
.nebula-post-meta a {
	color: var(--muted);
}
.nebula-post-meta a:hover {
	color: var(--accent-3);
}
.nebula-meta-dot {
	opacity: 0.6;
}
.nebula-meta-views {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	margin-left: auto;
	color: var(--accent-3);
}

/* -------------------------------------------------------------------------
 * 7. 侧栏
 * ---------------------------------------------------------------------- */
.nebula-sidebar {
	display: flex;
	flex-direction: column;
	gap: 18px;
	position: sticky;
	top: calc(var(--header-h) + 20px);
}
.nebula-widget {
	padding: 22px;
}
.nebula-widget-title {
	position: relative;
	margin: 0 0 16px;
	padding-left: 12px;
	font-size: 15.5px;
	font-weight: 700;
	color: var(--ink);
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.nebula-widget-title::before {
	content: '';
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 3.5px;
	height: 16px;
	border-radius: 4px;
	background: var(--grad);
}

/* 关于我 */
.nebula-about {
	display: flex;
	gap: 14px;
	align-items: flex-start;
}
.nebula-about-avatar {
	flex: none;
	display: block;
	width: 64px;
	height: 64px;
	border-radius: 18px;
	overflow: hidden;
	border: 2px solid var(--accent-line);
	box-shadow: 0 0 0 3px var(--accent-soft), 0 8px 22px rgba(2, 4, 16, 0.4);
}
.nebula-avatar-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.nebula-about-name {
	margin: 0 0 4px;
	font-weight: 700;
	font-size: 15.5px;
}
.nebula-about-text p {
	margin: 0;
	font-size: 12.8px;
	line-height: 1.8;
	color: var(--muted);
}
.nebula-social-row {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 14px;
}
.nebula-social-link {
	display: grid;
	place-items: center;
	width: 34px;
	height: 34px;
	border-radius: 10px;
	color: var(--muted);
	background: var(--card-2);
	border: 1px solid var(--border);
	transition: all var(--dur) var(--ease);
}
.nebula-social-link:hover {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(109, 92, 255, 0.4);
}
html[data-nebula-theme='light'] .nebula-social-link:hover {
	color: #fff;
}
.nebula-about-more {
	width: 100%;
	margin-top: 14px;
}

/* 标签云 */
.nebula-tag-cloud {
	display: flex;
	flex-wrap: wrap;
	gap: 9px;
}
.nebula-tag-chip {
	display: inline-flex;
	align-items: center;
	padding: 5px 12px;
	border-radius: 999px;
	font-size: 12.5px;
	color: var(--ink-2);
	background: var(--card-2);
	border: 1px solid var(--border);
	transition: all var(--dur) var(--ease);
}
.nebula-tag-chip sup {
	margin-left: 4px;
	font-size: 9.5px;
	color: var(--faint);
}
.nebula-tag-chip:hover {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(109, 92, 255, 0.35);
}
html[data-nebula-theme='light'] .nebula-tag-chip:hover {
	color: #fff;
}

/* 最近评论 */
.nebula-recent-comments {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 13px;
}
.nebula-recent-comments li {
	display: flex;
	gap: 11px;
}
.nebula-cm-avatar {
	flex: none;
	width: 36px;
	height: 36px;
	border-radius: 50%;
	overflow: hidden;
	border: 1px solid var(--border);
}
.nebula-cm-body {
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 3px;
}
.nebula-cm-head {
	font-size: 12.5px;
	color: var(--muted);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.nebula-cm-head a {
	color: var(--accent-3);
}
.nebula-cm-text {
	font-size: 13px;
	color: var(--ink-2);
	line-height: 1.7;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

/* -------------------------------------------------------------------------
 * 8. 订阅 & 页脚
 * ---------------------------------------------------------------------- */
.nebula-subscribe {
	max-width: var(--container);
	margin: 10px auto 0;
	padding-inline: 24px;
}
.nebula-subscribe-inner {
	position: relative;
	overflow: hidden;
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
	align-items: center;
	gap: 28px;
	padding: 34px 40px;
	border-radius: var(--radius-lg);
	border: 1px solid var(--accent-line);
	background:
		radial-gradient(90% 160% at 100% 0%, rgba(139, 92, 246, 0.35), transparent 55%),
		linear-gradient(120deg, rgba(30, 27, 75, 0.85), rgba(13, 16, 40, 0.9));
	box-shadow: var(--shadow-1);
}
html[data-nebula-theme='light'] .nebula-subscribe-inner {
	background:
		radial-gradient(90% 160% at 100% 0%, rgba(124, 58, 237, 0.16), transparent 55%),
		linear-gradient(120deg, #ffffff, #f2f0ff);
}
.nebula-subscribe-copy h2 {
	margin: 0 0 8px;
	font-size: 22px;
	color: var(--ink);
}
.nebula-subscribe-copy p {
	margin: 0;
	font-size: 14px;
	color: var(--muted);
}
.nebula-subscribe-form {
	display: flex;
	gap: 10px;
	background: var(--card);
	border: 1px solid var(--border-strong);
	border-radius: 14px;
	padding: 7px;
	box-shadow: var(--shadow-1);
}
.nebula-subscribe-form input {
	flex: 1;
	min-width: 0;
	background: transparent;
	border: 0;
	padding: 9px 12px;
	color: var(--ink);
	font-size: 14.5px;
}
.nebula-subscribe-form input:focus {
	outline: none;
}
.nebula-subscribe-form button {
	padding: 10px 26px;
	border: 0;
	border-radius: 10px;
	color: #fff;
	font-size: 14.5px;
	font-weight: 600;
	background: var(--grad);
	cursor: pointer;
	box-shadow: 0 6px 18px rgba(109, 92, 255, 0.4);
	transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nebula-subscribe-form button:hover {
	transform: translateY(-1px);
	box-shadow: 0 10px 24px rgba(109, 92, 255, 0.55);
}
.nebula-subscribe-icon {
	position: absolute;
	right: 28px;
	bottom: -14px;
	color: rgba(139, 92, 246, 0.28);
	transform: rotate(-8deg);
	pointer-events: none;
}

.nebula-footer {
	margin-top: 64px;
	border-top: 1px solid var(--border);
	background: linear-gradient(180deg, transparent, rgba(10, 12, 30, 0.55));
}
html[data-nebula-theme='light'] .nebula-footer {
	background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.7));
}

.nebula-footer-grid {
	display: grid;
	grid-template-columns: 1.35fr 0.9fr 0.9fr 1.25fr;
	gap: 36px;
	padding-block: 44px 36px;
}
.nebula-footer-desc {
	margin: 14px 0 4px;
	font-size: 13.5px;
	color: var(--muted);
	line-height: 1.9;
}
.nebula-footer-heading {
	margin: 0 0 16px;
	font-size: 14.5px;
	font-weight: 700;
	color: var(--ink);
}
.nebula-footer-menu,
.nebula-footer-posts {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 11px;
}
.nebula-footer-menu a {
	font-size: 13.5px;
	color: var(--muted);
}
.nebula-footer-menu a:hover {
	color: var(--accent-3);
	padding-left: 3px;
}
.nebula-footer-posts a {
	display: flex;
	gap: 12px;
	align-items: center;
	color: var(--muted);
}
.nebula-footer-thumb {
	flex: none;
	width: 74px;
	height: 48px;
	border-radius: 9px;
	overflow: hidden;
	border: 1px solid var(--border);
	background: var(--card-2);
}
.nebula-footer-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.nebula-footer-thumb .nebula-thumb-fallback svg {
	width: 16px;
	height: 16px;
}
.nebula-footer-post-meta {
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 3px;
	font-size: 12px;
}
.nebula-footer-post-title {
	color: var(--ink-2);
	font-size: 13px;
	line-height: 1.55;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	transition: color var(--dur) var(--ease);
}
.nebula-footer-posts a:hover .nebula-footer-post-title {
	color: var(--accent-3);
}
.nebula-footer-post-meta time {
	color: var(--faint);
	font-variant-numeric: tabular-nums;
}

.nebula-footer-bottom {
	border-top: 1px solid var(--border);
	padding-block: 18px;
}
.nebula-footer-bottom-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 8px;
	font-size: 12.8px;
	color: var(--faint);
}
.nebula-footer-bottom p {
	margin: 0;
}
.nebula-footer-bottom a {
	color: var(--muted);
}
.nebula-footer-bottom a:hover {
	color: var(--accent-3);
}

.nebula-backtop {
	position: fixed;
	right: 26px;
	bottom: 30px;
	z-index: 90;
	display: grid;
	place-items: center;
	width: 44px;
	height: 44px;
	border-radius: 13px;
	border: 1px solid var(--border-strong);
	color: var(--ink-2);
	background: var(--panel);
	backdrop-filter: blur(10px);
	box-shadow: var(--shadow-1);
	cursor: pointer;
	opacity: 0;
	transform: translateY(12px);
	pointer-events: none;
	transition: all var(--dur) var(--ease);
}
.nebula-backtop.is-visible {
	opacity: 1;
	transform: none;
	pointer-events: auto;
}
.nebula-backtop:hover {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
	box-shadow: 0 10px 26px rgba(109, 92, 255, 0.45);
}

/* toast */
.nebula-toast {
	position: fixed;
	left: 50%;
	bottom: 34px;
	transform: translateX(-50%) translateY(8px);
	z-index: 300;
	padding: 11px 20px;
	border-radius: 12px;
	background: var(--card);
	border: 1px solid var(--accent-line);
	color: var(--ink);
	font-size: 13.5px;
	box-shadow: var(--shadow-2), var(--glow);
	opacity: 0;
	pointer-events: none;
	transition: all 0.28s var(--ease);
}
.nebula-toast.is-visible {
	opacity: 1;
	transform: translateX(-50%);
}

/* -------------------------------------------------------------------------
 * 9. 归档 / 搜索 / 404 / 页面模板
 * ---------------------------------------------------------------------- */
.nebula-archive-head {
	margin-bottom: 26px;
}
.nebula-archive-title {
	margin: 0 0 8px;
	font-size: clamp(26px, 4vw, 34px);
	font-weight: 800;
	letter-spacing: 0.01em;
}
.nebula-accent-text {
	background: var(--grad);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}
.nebula-archive-desc {
	color: var(--muted);
	font-size: 14.5px;
}
.nebula-archive-desc p {
	margin: 0 0 6px;
}
.nebula-archive-count {
	margin: 0;
	font-size: 13px;
	color: var(--faint);
	font-variant-numeric: tabular-nums;
}

/* 归档时间线 */
.nebula-timeline {
	display: flex;
	flex-direction: column;
	gap: 18px;
	padding-block: 6px 60px;
}
.nebula-timeline-group {
	padding: 20px 24px;
}
.nebula-timeline-month {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 14px;
	font-size: 16.5px;
}
.nebula-timeline-count {
	margin-left: auto;
	font-size: 12px;
	color: var(--faint);
	background: var(--accent-soft);
	border: 1px solid var(--accent-line);
	padding: 1px 10px;
	border-radius: 999px;
}
.nebula-timeline-list {
	list-style: none;
	margin: 0;
	padding: 0;
}
.nebula-timeline-list li {
	display: flex;
	align-items: baseline;
	gap: 14px;
	padding: 8px 0;
	border-bottom: 1px dashed var(--border);
	font-size: 14.5px;
}
.nebula-timeline-list li:last-child {
	border-bottom: 0;
}
.nebula-timeline-day {
	flex: none;
	color: var(--faint);
	font-family: var(--font-mono);
	font-size: 12.5px;
}
.nebula-timeline-list a {
	color: var(--ink-2);
	flex: 1;
	min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.nebula-timeline-list a:hover {
	color: var(--accent-3);
}
.nebula-timeline-views {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	color: var(--faint);
	font-size: 12px;
}

/* 分类标签总览 */
.nebula-narrow .nebula-archive-head {
	padding-top: 8px;
}
.nebula-tax-section {
	margin-bottom: 30px;
}
.nebula-tax-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 14px;
}
.nebula-tax-card {
	display: flex;
	flex-direction: column;
	gap: 5px;
	padding: 18px;
	border-radius: var(--radius);
	background: var(--panel);
	border: 1px solid var(--border);
	color: var(--ink-2);
	transition: all var(--dur) var(--ease);
}
.nebula-tax-card:hover {
	transform: translateY(-3px);
	border-color: var(--accent-line);
	box-shadow: var(--glow);
	color: var(--ink);
}
.nebula-tax-name {
	font-weight: 700;
	font-size: 15.5px;
}
.nebula-tax-count {
	font-size: 12px;
	color: var(--accent-3);
}
.nebula-tax-desc {
	font-size: 12.5px;
	color: var(--muted);
	line-height: 1.7;
}

/* 友链 */
.nebula-friends-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
	gap: 16px;
	padding-block: 4px 60px;
}
.nebula-friend-card {
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 18px;
	transition: all var(--dur) var(--ease);
}
.nebula-friend-card:hover {
	transform: translateY(-3px);
	border-color: var(--accent-line);
	box-shadow: var(--glow);
}
.nebula-friend-avatar {
	flex: none;
	display: grid;
	place-items: center;
	width: 48px;
	height: 48px;
	border-radius: 14px;
	font-size: 20px;
	font-weight: 700;
	color: #fff;
	background: var(--grad);
	box-shadow: 0 6px 18px rgba(109, 92, 255, 0.35);
}
.nebula-friend-meta {
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 3px;
}
.nebula-friend-name {
	font-weight: 700;
	color: var(--ink);
	font-size: 14.5px;
}
.nebula-friend-desc {
	font-size: 12.5px;
	color: var(--muted);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/* 404 */
.nebula-404 {
	padding: 90px 24px 70px;
	text-align: center;
}
.nebula-404-code {
	margin: 0;
	font-size: clamp(90px, 18vw, 170px);
	font-weight: 800;
	line-height: 1;
	font-family: var(--font-mono);
	letter-spacing: 0.08em;
	color: var(--ink-2);
}
.nebula-404-code span {
	background: var(--grad);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	text-shadow: 0 0 60px rgba(139, 92, 246, 0.5);
}
.nebula-404 h1 {
	margin: 18px 0 8px;
	font-size: 24px;
}
.nebula-404-text {
	margin: 0 0 26px;
	color: var(--muted);
}
.nebula-404-actions {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
}
.nebula-404-actions .nebula-searchform {
	width: min(420px, 100%);
}

/* -------------------------------------------------------------------------
 * 10. 搜索表单（独立）
 * ---------------------------------------------------------------------- */
.nebula-searchform {
	display: flex;
	gap: 8px;
	background: var(--card);
	border: 1px solid var(--border-strong);
	border-radius: 12px;
	padding: 6px;
}
.nebula-searchform input {
	flex: 1;
	min-width: 0;
	border: 0;
	background: transparent;
	padding: 9px 12px;
	color: var(--ink);
	font-size: 14px;
}
.nebula-searchform input:focus {
	outline: none;
}
.nebula-searchform button {
	display: grid;
	place-items: center;
	width: 38px;
	border: 0;
	border-radius: 9px;
	color: #fff;
	background: var(--grad);
	cursor: pointer;
}

/* -------------------------------------------------------------------------
 * 11. 文章详情
 * ---------------------------------------------------------------------- */
.nebula-single {
	padding-top: 10px;
}
.nebula-single-head {
	margin-bottom: 24px;
}
.nebula-single-title {
	margin: 14px 0 12px;
	font-size: clamp(26px, 4.6vw, 40px);
	font-weight: 800;
	line-height: 1.32;
	letter-spacing: 0.01em;
}
.nebula-single-lead {
	margin: 0 0 18px;
	font-size: 16px;
	line-height: 1.9;
	color: var(--muted);
}
.nebula-single-meta {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 10px;
	font-size: 13.5px;
	color: var(--muted);
	font-variant-numeric: tabular-nums;
}
.nebula-meta-author {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--ink-2);
}
.nebula-meta-author .avatar {
	width: 26px;
	height: 26px;
	border-radius: 50%;
	object-fit: cover;
}
.nebula-single-actions {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin-left: auto;
}
.nebula-action-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 7px 13px;
	border-radius: 10px;
	border: 1px solid var(--border);
	background: var(--card);
	color: var(--ink-2);
	font-size: 13px;
	cursor: pointer;
	transition: all var(--dur) var(--ease);
}
.nebula-action-btn:hover {
	color: var(--accent-3);
	border-color: var(--accent-line);
	background: var(--accent-soft);
}
.nebula-action-btn.is-on {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
	box-shadow: 0 6px 16px rgba(109, 92, 255, 0.4);
}

.nebula-single-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 28px;
	align-items: start;
	padding-bottom: 40px;
}
.nebula-single-rail {
	display: flex;
	flex-direction: column;
	gap: 18px;
}

.nebula-entry-wrap {
	padding: clamp(22px, 4vw, 40px);
}

/* 正文排版 */
.nebula-entry {
	font-size: 16.5px;
	line-height: 2.05;
	color: var(--ink-2);
	overflow-wrap: break-word;
}
.nebula-entry > *:first-child {
	margin-top: 0;
}
.nebula-entry p {
	margin: 0 0 1.35em;
}
.nebula-entry h2,
.nebula-entry h3,
.nebula-entry h4 {
	margin: 1.9em 0 0.8em;
	color: var(--ink);
	line-height: 1.5;
	scroll-margin-top: calc(var(--header-h) + 20px);
}
.nebula-entry h2 {
	position: relative;
	padding-left: 16px;
	font-size: 23px;
	font-weight: 700;
}
.nebula-entry h2::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0.62em;
	transform: translateY(-50%);
	width: 5px;
	height: 1em;
	border-radius: 4px;
	background: var(--grad);
	box-shadow: 0 0 12px rgba(139, 92, 246, 0.7);
}
.nebula-entry h3 {
	font-size: 19px;
	font-weight: 700;
}
.nebula-entry h4 {
	font-size: 16.5px;
}
.nebula-entry a {
	color: var(--accent-3);
	text-decoration: underline;
	text-decoration-color: rgba(139, 92, 246, 0.4);
	text-underline-offset: 4px;
}
.nebula-entry a:hover {
	text-decoration-color: var(--accent-3);
}
.nebula-entry img {
	border-radius: 12px;
}
.nebula-entry blockquote {
	margin: 1.6em 0;
	padding: 14px 20px;
	border-left: 3px solid var(--accent);
	border-radius: 0 12px 12px 0;
	background: var(--accent-soft);
	color: var(--ink-2);
}
.nebula-entry blockquote p:last-child {
	margin-bottom: 0;
}
.nebula-entry ul,
.nebula-entry ol {
	margin: 0 0 1.35em;
	padding-left: 1.6em;
}
.nebula-entry li {
	margin-bottom: 0.45em;
}
.nebula-entry li::marker {
	color: var(--accent-3);
}
.nebula-entry hr {
	border: 0;
	height: 1px;
	margin: 2.2em 0;
	background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}
.nebula-entry table {
	width: 100%;
	border-collapse: collapse;
	margin: 1.6em 0;
	font-size: 14.5px;
	display: block;
	overflow-x: auto;
}
.nebula-entry th,
.nebula-entry td {
	border: 1px solid var(--border);
	padding: 10px 14px;
	text-align: left;
}
.nebula-entry th {
	background: var(--card-2);
	color: var(--ink);
	font-weight: 600;
	white-space: nowrap;
}
.nebula-entry figure {
	margin: 1.8em 0;
}
.nebula-entry figcaption {
	text-align: center;
	font-size: 12.5px;
	color: var(--faint);
	margin-top: 8px;
}
.wp-caption {
	max-width: 100%;
}
.aligncenter {
	margin-inline: auto;
}
.alignright {
	float: right;
	margin-left: 1.4em;
}
.alignleft {
	float: left;
	margin-right: 1.4em;
}

/* 行内代码 */
.nebula-entry code {
	font-family: var(--font-mono);
	font-size: 0.86em;
	padding: 2.5px 7px;
	border-radius: 7px;
	color: #d3c8ff;
	background: rgba(139, 92, 246, 0.14);
	border: 1px solid rgba(139, 92, 246, 0.22);
}
html[data-nebula-theme='light'] .nebula-entry code {
	color: #6d28d9;
	background: rgba(124, 58, 237, 0.08);
	border-color: rgba(124, 58, 237, 0.2);
}

/* 代码块 */
.nebula-entry pre {
	position: relative;
	margin: 1.6em 0;
	padding: 0;
	background: #0a0d1e;
	border: 1px solid var(--border);
	border-radius: 13px;
	overflow: hidden;
	box-shadow: var(--shadow-1);
}
html[data-nebula-theme='light'] .nebula-entry pre {
	background: #12152b;
	border-color: rgba(23, 26, 58, 0.2);
}
.nebula-code-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 9px 16px;
	border-bottom: 1px solid rgba(148, 163, 184, 0.12);
	font-family: var(--font-mono);
	font-size: 12px;
	letter-spacing: 0.06em;
	color: #7c86a8;
	text-transform: lowercase;
}
.nebula-code-copy {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 4px 11px;
	border-radius: 8px;
	border: 1px solid rgba(148, 163, 184, 0.2);
	background: transparent;
	color: #9aa3c4;
	font-size: 12px;
	cursor: pointer;
	transition: all var(--dur) var(--ease);
}
.nebula-code-copy:hover {
	color: #d3c8ff;
	border-color: rgba(139, 92, 246, 0.5);
}
.nebula-entry pre > code {
	display: block;
	padding: 18px 20px;
	overflow-x: auto;
	background: transparent;
	border: 0;
	color: #d6dcf5;
	font-size: 13.8px;
	line-height: 1.85;
}
/* 语法高亮（JS 生成 span） */
.tok-kw { color: #c792ea; }
.tok-str { color: #a5e0a2; }
.tok-num { color: #f7bd7f; }
.tok-com { color: #5f6b8f; font-style: italic; }
.tok-fn { color: #82aaff; }
.tok-op { color: #89ddff; }

/* 文章标签 */
.nebula-entry-tags {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 9px;
	margin-top: 30px;
	padding-top: 20px;
	border-top: 1px dashed var(--border);
}
.nebula-entry-tags-label {
	font-size: 13px;
	color: var(--faint);
}
.nebula-entry-tags a {
	display: inline-flex;
	padding: 4px 12px;
	border-radius: 999px;
	font-size: 12.5px;
	color: var(--ink-2);
	background: var(--card-2);
	border: 1px solid var(--border);
}
.nebula-entry-tags a:hover {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
}

/* 上下篇 */
.nebula-post-nav {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin-top: 22px;
}
.nebula-post-nav-item {
	display: flex;
	flex-direction: column;
	gap: 7px;
	padding: 18px 20px;
	border-radius: var(--radius);
	background: var(--panel);
	border: 1px solid var(--border);
	color: var(--ink-2);
	transition: all var(--dur) var(--ease);
	min-width: 0;
}
.nebula-post-nav-item:hover {
	border-color: var(--accent-line);
	box-shadow: var(--glow);
	transform: translateY(-2px);
	color: var(--ink);
}
.nebula-post-nav-item.is-empty {
	visibility: hidden;
}
.nebula-post-nav-next {
	text-align: right;
}
.nebula-post-nav-label {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 12.5px;
	color: var(--faint);
}
.nebula-post-nav-next .nebula-post-nav-label {
	justify-content: flex-end;
}
.nebula-post-nav-title {
	font-size: 14.5px;
	font-weight: 600;
	line-height: 1.6;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}

/* 目录 TOC */
.nebula-toc {
	position: sticky;
	top: calc(var(--header-h) + 20px);
	max-height: calc(100vh - var(--header-h) - 60px);
	overflow: auto;
	scrollbar-width: thin;
}
.nebula-toc.is-collapsed .nebula-toc-list {
	display: none;
}
.nebula-toc-toggle {
	display: grid;
	place-items: center;
	width: 24px;
	height: 24px;
	padding: 0;
	border: 1px solid var(--border);
	border-radius: 7px;
	background: transparent;
	color: var(--muted);
	cursor: pointer;
}
.nebula-toc-toggle:hover {
	color: var(--accent-3);
	border-color: var(--accent-line);
}
.nebula-toc.is-collapsed .nebula-toc-toggle svg {
	transform: rotate(45deg);
}
.nebula-toc-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 2px;
	font-size: 13.5px;
}
.nebula-toc-item a {
	display: block;
	padding: 6px 10px;
	border-radius: 8px;
	color: var(--muted);
	border-left: 2px solid transparent;
	transition: all 0.2s var(--ease);
	line-height: 1.55;
}
.nebula-toc-item a:hover {
	color: var(--ink);
	background: var(--accent-soft);
}
.nebula-toc-item.is-h3 a {
	padding-left: 30px;
	font-size: 12.8px;
}
.nebula-toc-num {
	margin-right: 6px;
	color: var(--faint);
	font-variant-numeric: tabular-nums;
}
.nebula-toc-item.is-active > a {
	color: var(--accent-3);
	background: var(--accent-soft);
	border-left-color: var(--accent);
	font-weight: 600;
}

/* 作者卡（文章页） */
.nebula-author-card {
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	padding: 26px 22px;
}
.nebula-author-avatar {
	width: 72px;
	height: 72px;
	border-radius: 50%;
}
.nebula-author-info {
	margin-top: 14px;
}
.nebula-author-info .nebula-about-name {
	font-size: 16.5px;
}
.nebula-author-bio {
	margin: 6px 0 0;
	font-size: 13px;
	color: var(--muted);
	line-height: 1.85;
}
.nebula-author-card .nebula-social-row {
	justify-content: center;
}
.nebula-author-follow {
	width: 100%;
	margin-top: 16px;
}

/* 相关文章 */
.nebula-related-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 13px;
}
.nebula-related-list a {
	display: flex;
	gap: 12px;
	align-items: center;
}
.nebula-related-thumb {
	flex: none;
	width: 84px;
	height: 56px;
	border-radius: 10px;
	overflow: hidden;
	border: 1px solid var(--border);
	background: var(--card-2);
}
.nebula-related-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.nebula-related-thumb .nebula-thumb-fallback svg {
	width: 16px;
	height: 16px;
}
.nebula-related-meta {
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.nebula-related-title {
	font-size: 13.5px;
	color: var(--ink-2);
	font-weight: 600;
	line-height: 1.55;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	transition: color var(--dur) var(--ease);
}
.nebula-related-list a:hover .nebula-related-title {
	color: var(--accent-3);
}
.nebula-related-sub {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 11.5px;
	color: var(--faint);
	font-variant-numeric: tabular-nums;
}

/* -------------------------------------------------------------------------
 * 12. 评论
 * ---------------------------------------------------------------------- */
.nebula-comments {
	margin-top: 26px;
	padding: clamp(22px, 4vw, 34px);
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: var(--shadow-1);
}
.nebula-comments-title {
	position: relative;
	margin: 0 0 20px;
	padding-left: 13px;
	font-size: 18px;
}
.nebula-comments-title::before {
	content: '';
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 4px;
	height: 17px;
	border-radius: 4px;
	background: var(--grad);
}
.nebula-comment-list {
	list-style: none;
	margin: 0;
	padding: 0;
}
.nebula-comment-list .comment-body {
	display: flow-root;
	padding: 16px 0;
	border-bottom: 1px dashed var(--border);
}
.nebula-comment-list .children {
	list-style: none;
	margin: 0;
	padding-left: 44px;
}
.nebula-comment-list .comment-author .avatar {
	float: left;
	width: 44px;
	height: 44px;
	margin: 3px 13px 6px 0;
	border-radius: 50%;
	border: 1px solid var(--border);
	object-fit: cover;
}
.nebula-comment-list .comment-meta {
	display: flex;
	flex-direction: column;
	gap: 2px;
	overflow: hidden;
}
.nebula-comment-author {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-weight: 600;
	font-size: 14px;
	color: var(--ink);
}
.nebula-comment-author .says {
	color: var(--faint);
	font-weight: 400;
	font-size: 12.5px;
}
.nebula-comment-metadata {
	font-size: 12px;
	color: var(--faint);
}
.nebula-comment-metadata a {
	color: var(--faint);
}
.nebula-comment-metadata a:hover {
	color: var(--accent-3);
}
.nebula-comment-content {
	font-size: 14.5px;
	color: var(--ink-2);
	line-height: 1.9;
}
.nebula-comment-content p {
	margin: 0 0 0.6em;
}
.nebula-comment-content p:last-child {
	margin-bottom: 0;
}
.reply {
	font-size: 12.5px;
	margin-top: 6px;
}
.reply a {
	color: var(--accent-3);
}
.nebula-comment-list .bypostauthor .fn::after {
	content: '作者';
	margin-left: 6px;
	font-size: 10.5px;
	color: #fff;
	background: var(--grad);
	border-radius: 6px;
	padding: 1px 7px;
	vertical-align: 1px;
}

/* 评论表单 */
.nebula-comment-reply-title {
	position: relative;
	margin: 26px 0 16px;
	padding-left: 13px;
	font-size: 17px;
}
.nebula-comment-reply-title::before {
	content: '';
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 4px;
	height: 16px;
	border-radius: 4px;
	background: var(--grad);
}
.comment-form p {
	margin: 0 0 14px;
}
.comment-form label {
	display: block;
	margin-bottom: 6px;
	font-size: 13px;
	color: var(--muted);
}
.comment-form input[type='text'],
.comment-form input[type='email'],
.comment-form input[type='url'],
.comment-form textarea {
	width: 100%;
	padding: 11px 14px;
	border-radius: 11px;
	border: 1px solid var(--border-strong);
	background: var(--card-2);
	color: var(--ink);
	font-size: 14px;
	font-family: inherit;
	transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.comment-form input:focus,
.comment-form textarea:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-soft);
}
.comment-form .submit {
	padding: 11px 30px;
	border: 0;
	border-radius: 11px;
	color: #fff;
	font-size: 14.5px;
	font-weight: 600;
	background: var(--grad);
	cursor: pointer;
	box-shadow: 0 8px 22px rgba(109, 92, 255, 0.35);
	transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.comment-form .submit:hover {
	transform: translateY(-1px);
	box-shadow: 0 12px 28px rgba(109, 92, 255, 0.5);
}
.comment-form-cookies-consent {
	display: flex;
	align-items: center;
	gap: 8px;
}
.comment-form-cookies-consent label {
	margin: 0;
}
.comment-form-cookies-consent input {
	width: auto;
	accent-color: var(--accent);
}

/* 评论分页 */
.nebula-comments .navigation .nav-links {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 18px;
}
.nebula-comments .page-numbers {
	display: grid;
	place-items: center;
	min-width: 38px;
	height: 38px;
	padding-inline: 10px;
	border-radius: 11px;
	font-size: 14px;
	font-variant-numeric: tabular-nums;
	color: var(--ink-2);
	background: var(--panel);
	border: 1px solid var(--border);
	transition: all var(--dur) var(--ease);
}
.nebula-comments .page-numbers:hover {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
}
.nebula-comments .page-numbers.current {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
	font-weight: 600;
}
.nebula-comments .page-numbers.dots {
	border: 0;
	background: transparent;
}

.nebula-no-comments {
	color: var(--muted);
}

/* -------------------------------------------------------------------------
 * 13. 分页
 * ---------------------------------------------------------------------- */
.nebula-pagination {
	margin-top: 30px;
}
.nebula-pagination ul {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 8px;
	list-style: none;
	margin: 0;
	padding: 0;
}
.nebula-pagination a,
.nebula-pagination span {
	display: grid;
	place-items: center;
	min-width: 38px;
	height: 38px;
	padding-inline: 10px;
	border-radius: 11px;
	font-size: 14px;
	font-variant-numeric: tabular-nums;
	color: var(--ink-2);
	background: var(--panel);
	border: 1px solid var(--border);
	transition: all var(--dur) var(--ease);
}
.nebula-pagination a:hover {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
	transform: translateY(-2px);
}
.nebula-pagination .current {
	color: #fff;
	background: var(--grad);
	border-color: transparent;
	box-shadow: 0 6px 18px rgba(109, 92, 255, 0.35);
	font-weight: 600;
}
.nebula-pagination .dots {
	border: 0;
	background: transparent;
}

/* -------------------------------------------------------------------------
 * 14. Reveal 动画
 * ---------------------------------------------------------------------- */
.nebula-reveal {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
	transition-delay: var(--reveal-delay, 0s);
}
.nebula-reveal.is-visible {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	*,
	*::before,
	*::after {
		animation-duration: 0.001s !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001s !important;
	}
	.nebula-reveal {
		opacity: 1;
		transform: none;
	}
}

/* -------------------------------------------------------------------------
 * 15. 响应式
 * ---------------------------------------------------------------------- */
@media (max-width: 1080px) {
	.nebula-layout {
		grid-template-columns: minmax(0, 1fr) 300px;
		gap: 22px;
	}
	.nebula-single-layout {
		grid-template-columns: minmax(0, 1fr) 292px;
		gap: 22px;
	}
}

@media (max-width: 960px) {
	.nebula-nav {
		position: fixed;
		top: var(--header-h);
		left: 0;
		right: 0;
		z-index: 99;
		background: var(--card);
		border-bottom: 1px solid var(--border);
		box-shadow: var(--shadow-2);
		padding: 10px 20px 16px;
		display: none;
	}
	body.admin-bar .nebula-nav {
		top: calc(var(--header-h) + 46px);
	}
	.nebula-nav.is-open {
		display: block;
	}
	.nebula-menu {
		flex-direction: column;
		align-items: stretch;
		gap: 2px;
	}
	.nebula-menu a {
		padding: 12px 14px;
		font-size: 16px;
	}
	.nebula-menu .current-menu-item > a::after,
	.nebula-menu .current_page_item > a::after {
		display: none;
	}
	.nebula-burger {
		display: grid;
	}

	.nebula-hero-inner {
		grid-template-columns: 1fr;
		padding-block: 48px 40px;
		min-height: 0;
	}
	.nebula-hero-visual {
		order: -1;
		height: 260px;
	}
	.nebula-cube {
		width: 130px;
		height: 130px;
		border-radius: 26px;
	}
	.nebula-cube svg {
		width: 58px;
		height: 58px;
	}
	.nebula-orbit-1 {
		width: 240px;
		height: 240px;
	}
	.nebula-orbit-2 {
		width: 310px;
		height: 310px;
	}
	.nebula-orbit-3 {
		display: none;
	}
	.nebula-platform {
		width: 230px;
	}

	.nebula-layout,
	.nebula-single-layout {
		grid-template-columns: 1fr;
	}
	.nebula-sidebar,
	.nebula-single-rail {
		position: static;
	}
	.nebula-toc {
		position: static;
		max-height: none;
	}

	.nebula-subscribe-inner {
		grid-template-columns: 1fr;
		padding: 26px 24px;
	}
	.nebula-subscribe-icon {
		display: none;
	}

	.nebula-footer-grid {
		grid-template-columns: 1fr 1fr;
		gap: 30px;
	}
}

@media (max-width: 640px) {
	.nebula-container,
	.nebula-subscribe {
		padding-inline: 16px;
	}
	.nebula-breadcrumb {
		padding-inline: 16px;
	}
	.nebula-post-card {
		grid-template-columns: 1fr;
		gap: 14px;
		padding: 14px;
	}
	.nebula-post-thumb {
		aspect-ratio: 21 / 9;
	}
	.nebula-post-title {
		font-size: 17px;
	}
	.nebula-hero-title {
		letter-spacing: 0.02em;
	}
	.nebula-hero-stats {
		gap: 14px 22px;
	}
	.nebula-stat dd {
		font-size: 21px;
	}
	.nebula-single-actions {
		margin-left: 0;
		width: 100%;
	}
	.nebula-post-nav {
		grid-template-columns: 1fr;
	}
	.nebula-post-nav-next {
		text-align: left;
	}
	.nebula-post-nav-next .nebula-post-nav-label {
		justify-content: flex-start;
	}
	.nebula-footer-grid {
		grid-template-columns: 1fr;
		gap: 26px;
	}
	.nebula-footer-bottom-inner {
		flex-direction: column;
		text-align: center;
	}
	.nebula-backtop {
		right: 14px;
		bottom: 18px;
	}
	.nebula-comment-list .children {
		padding-left: 20px;
	}
}