@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=DM+Sans:ital,wght@0,300;0,400;1,300&family=DM+Mono:wght@300&display=swap");

:root {
  color-scheme: dark;
  --color-bg-primary: #0f1117;
  --color-bg-card: #1a1d27;
  --color-bg-card-hover: #1e2235;
  --color-text-primary: #f7f8fb;
  --color-text-secondary: #9aa0aa;
  --color-text-hint: #7f8794;
  --color-border: #2a2d3a;
  --color-border-card: rgba(255, 255, 255, 0.1);
  --color-page-bg: linear-gradient(135deg, #0f1117 0%, #141824 50%, #0f1117 100%);
  --color-glass-bg: rgba(255, 255, 255, 0.05);
  --color-glass-bg-hover: rgba(255, 255, 255, 0.09);
  --color-glass-border: rgba(255, 255, 255, 0.08);
  --color-glass-border-hover: rgba(255, 255, 255, 0.14);
  --color-header-bg: rgba(15, 17, 23, 0.82);
  --color-nav-menu-bg: rgba(15, 17, 23, 0.96);
  --color-shadow: rgba(0, 0, 0, 0.24);
  --color-accent: #74c69d;
  --color-accent-strong: #66d9c4;
  --color-accent-cool: #7eb8d4;
  --color-accent-cool-strong: #4a8fa8;
  --color-accent-warm: #c9a96e;
  --color-accent-ink: #07120d;
  --color-focus: #8ab4ff;
  --color-topic-site: #74c69d;
  --color-topic-notes: #b8875f;
  --color-topic-tools: #a78bfa;
  --color-topic-music: #60a5fa;
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "DM Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-system: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --bg-primary: var(--color-bg-primary);
  --bg-card: var(--color-bg-card);
  --bg-card-hover: var(--color-bg-card-hover);
  --text-primary: var(--color-text-primary);
  --text-secondary: var(--color-text-secondary);
  --text-hint: var(--color-text-hint);
  --border-color: var(--color-border);
  --border-card: var(--color-border-card);
  --page-bg: var(--color-page-bg);
  --glass-bg: var(--color-glass-bg);
  --glass-bg-hover: var(--color-glass-bg-hover);
  --glass-border: var(--color-glass-border);
  --glass-border-hover: var(--color-glass-border-hover);
  --bg: var(--color-bg-primary);
  --bg2: var(--color-bg-card);
  --bg3: var(--color-bg-card-hover);
  --card: var(--color-bg-card);
  --card-hover: var(--color-bg-card-hover);
  --border: var(--color-border);
  --border2: var(--color-border);
  --border-strong: var(--color-border);
  --text: var(--color-text-primary);
  --text2: var(--color-text-secondary);
  --text3: var(--color-text-secondary);
  --muted: var(--color-text-secondary);
  --subtle: var(--color-text-secondary);
  --accent: var(--color-accent);
  --accent2: var(--color-accent-cool-strong);
  --accent-warm: var(--color-accent-warm);
  --focus: var(--color-focus);
  --header-bg: var(--color-header-bg);
  --nav-bg: var(--color-header-bg);
  --nav-menu-bg: var(--color-nav-menu-bg);
  --shadow: var(--color-shadow);
  --serif: var(--font-serif);
  --sans: var(--font-sans);
  --mono: var(--font-mono);
}

[data-theme="light"] {
  color-scheme: light;
  --color-bg-primary: #f5f5f0;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #f0f0ea;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #666666;
  --color-text-hint: #777166;
  --color-border: #e0e0d8;
  --color-border-card: rgba(26, 26, 26, 0.12);
  --color-page-bg: linear-gradient(135deg, #df7f7a 0%, #edb06f 32%, #e8adc8 68%, #fff8f2 100%);
  --color-glass-bg: rgba(255, 255, 255, 0.22);
  --color-glass-bg-hover: rgba(255, 255, 255, 0.34);
  --color-glass-border: rgba(255, 255, 255, 0.5);
  --color-glass-border-hover: rgba(255, 255, 255, 0.72);
  --color-header-bg: rgba(245, 245, 240, 0.86);
  --color-nav-menu-bg: rgba(245, 245, 240, 0.96);
  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-accent-ink: #07120d;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--page-bg);
  color: var(--text-primary);
  font-family: var(--font-system);
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

h1,
h2,
p {
  margin: 0;
}

.theme-toggle {
  position: relative;
  z-index: 2;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 4px;
}

.theme-toggle:focus-visible,
.site-name:focus-visible,
.back-home:focus-visible,
.back-link:focus-visible,
.category-card-link:focus-visible,
.post-row:focus-visible,
.post-item:focus-visible,
.link-card:focus-visible,
.site-footer a:focus-visible,
.nav-logo:focus-visible,
.nav-links a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.6;
}

.directory-page::before,
.music-page::before,
.blog-list-page::before,
.blog-category-page::before {
  content: none;
}

/* Directory home */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 16px clamp(20px, 4vw, 56px);
  border: 1px solid var(--glass-border);
  border-radius: 0 0 12px 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-name {
  flex: 0 0 auto;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 720;
  letter-spacing: 0;
  text-decoration: none;
}

.header-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  flex: 1 1 auto;
  min-width: 0;
}

.clock-widget {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 16px;
  white-space: nowrap;
}

.clock-widget > span {
  display: inline-flex;
  align-items: center;
  height: 16px;
  line-height: 16px;
}

.clock-time {
  font-variant-numeric: tabular-nums;
}

.weather-info {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
}

.weather-info::before {
  content: "";
  flex: 0 0 auto;
  width: 1px;
  height: 12px;
  margin: 0 2px;
  background: var(--border-color);
}

.search {
  position: relative;
  flex: 0 1 360px;
  min-width: 180px;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  display: grid;
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  pointer-events: none;
  transform: translateY(-50%);
}

.search-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.search input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  outline: none;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  padding: 0 78px 0 42px;
  transition: border-color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

.search input::placeholder {
  color: var(--text-secondary);
}

.search input:focus {
  border-color: color-mix(in srgb, var(--focus) 72%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 12%, transparent);
}

.search-count {
  position: absolute;
  right: 13px;
  top: 50%;
  color: var(--text-secondary);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  pointer-events: none;
  transform: translateY(-50%);
}

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 42px 0 32px;
}

.web-search-area {
  display: flex;
  justify-content: center;
  width: 100%;
  margin: 0 auto 36px;
  padding: 16px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.web-search-area:hover {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
}

.web-search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(600px, 100%);
  height: 52px;
  padding: 0 8px 0 18px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.web-search-form:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);
}

.web-search-form:hover {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
}

.web-search-icon {
  flex: 0 0 auto;
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1;
}

.web-search-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-primary);
  padding: 0 4px;
}

.web-search-input::placeholder {
  color: var(--text-secondary);
}

.web-search-engines {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
}

.web-search-engine {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 18px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 720;
  line-height: 1;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.web-search-engine.is-active {
  background: var(--accent);
  color: var(--color-accent-ink);
}

.category-list {
  display: grid;
  gap: 42px;
}

.category-section {
  min-width: 0;
}

.category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0;
}

.category-title::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 18px;
  background: var(--text-primary);
  border-radius: 2px;
  flex-shrink: 0;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.link-card {
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: 78px;
  padding: 14px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  text-decoration: none;
  box-shadow: 0 12px 28px var(--shadow);
  transition: transform 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.link-card:hover {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
  transform: translateY(-2px);
}

.link-favicon {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  margin-right: 12px;
  border-radius: 6px;
  background: var(--bg-card-hover);
}

img.link-favicon {
  object-fit: contain;
}

.link-favicon-icon {
  display: grid;
  place-items: center;
  color: var(--accent);
}

.link-favicon-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.link-content {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.link-name {
  overflow: hidden;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-description {
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty-state {
  margin: 28px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
  text-align: center;
}

/* Subpages */
.music-page {
  display: flex;
  flex-direction: column;
}

.subpage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 0;
}

.back-home {
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.16s ease;
}

.back-home:hover {
  color: var(--text-primary);
}

.music-shell {
  display: grid;
  place-items: center;
  flex: 1;
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 80px);
  margin: 0 auto;
  padding: 32px 0 56px;
}

.music-placeholder {
  width: 100%;
}

.music-page .music-title {
  margin: 0 0 72px;
  color: var(--text-primary);
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 760;
  letter-spacing: 0;
  line-height: 1.1;
}

.music-empty {
  margin: 0;
  color: var(--text-secondary);
  font-size: 18px;
  text-align: center;
}

/* Blog list and category pages */
.blog-list-page,
.blog-category-page {
  background: var(--page-bg);
  color: var(--text-primary);
  font-family: var(--font-system);
}

.blog-list-page a,
.blog-category-page a {
  color: inherit;
  text-decoration: none;
}

.blog-list-page .page,
.blog-category-page .page {
  margin: 0 auto;
  padding: 40px 20px;
}

.blog-list-page .page {
  max-width: 900px;
}

.blog-category-page .page {
  max-width: 760px;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.blog-list-page .top-nav {
  padding: 12px 16px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.blog-list-page .back-link,
.blog-category-page .back-link {
  display: inline-block;
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.blog-list-page .section-title {
  margin-bottom: 16px;
  color: var(--text-primary);
  font-size: 22px;
  font-weight: 800;
}

.blog-list-page .category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.blog-list-page .category-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.blog-list-page .category-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100px;
  padding: 16px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.blog-list-page .category-card-link:hover .category-card {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
}

.blog-list-page .category-card.is-active {
  border-color: color-mix(in srgb, var(--theme) 58%, var(--glass-border));
  background: color-mix(in srgb, var(--theme) 14%, var(--glass-bg));
}

.site-diary,
.tag-site-diary,
.category-jianzhan .page {
  --theme: var(--color-topic-site);
}

.timeslot-notes,
.tag-timeslot-notes,
.category-suibi .page {
  --theme: var(--color-topic-notes);
}

.tools-thinking,
.tag-tools-thinking,
.category-gongju .page {
  --theme: var(--color-topic-tools);
}

.reading-music,
.tag-reading-music,
.category-yinyue .page {
  --theme: var(--color-topic-music);
}

.blog-list-page .category-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.blog-list-page .category-name {
  display: block;
  color: var(--theme);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.2;
}

.blog-list-page .category-desc {
  display: block;
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-list-page .category-count {
  align-self: flex-end;
  color: var(--theme);
  font-size: 12px;
  line-height: 1;
  opacity: 0.72;
}

.blog-list-page .divider {
  margin: 40px 0 20px;
  border: none;
  border-top: 1px solid var(--border-color);
}

.blog-list-page .post-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.blog-list-page .post-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  transition: background 0.18s ease, border-color 0.18s ease;
}

.blog-list-page .post-row:hover {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
}

.blog-list-page .post-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.blog-list-page .post-date,
.blog-category-page .post-date {
  color: var(--text-secondary);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.blog-list-page .post-date {
  flex: 0 0 auto;
}

.blog-list-page .post-tag {
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--theme);
  color: var(--color-accent-ink);
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.blog-list-page .post-title {
  overflow: hidden;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-list-page .post-excerpt {
  flex: 0 0 auto;
  max-width: 300px;
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 13px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-empty-state {
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 14px;
  text-align: center;
}

.blog-category-page .category-title {
  display: block;
  margin-bottom: 8px;
  color: var(--theme);
  font-size: 36px;
  font-weight: 850;
  line-height: 1.15;
}

.blog-category-page .category-title::before {
  content: none;
}

.blog-category-page .category-desc {
  color: var(--text-secondary);
  font-size: 14px;
}

.blog-category-page .divider {
  margin: 32px 0 8px;
  border: none;
  border-top: 1px solid var(--border-color);
}

.blog-category-page .post-list {
  margin-top: 0;
}

.blog-category-page .post-item {
  display: block;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
}

.blog-category-page .post-date {
  display: block;
  margin-bottom: 8px;
}

.blog-category-page .post-title {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 800;
  transition: color 0.18s ease;
}

.blog-category-page .post-item:hover .post-title {
  color: var(--theme);
}

.blog-category-page .post-excerpt {
  display: -webkit-box;
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 14px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

/* Article pages */
nav[aria-label="主要导航"] {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--glass-border);
  border-radius: 0 0 12px 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-logo {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-family: var(--serif);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.nav-logo span {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 3s ease-in-out infinite;
}

.nav-links {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
}

.nav-links a {
  color: var(--text2);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-toggle,
.nav-menu-button {
  display: none;
}

.post-main {
  min-height: calc(100svh - 64px);
  padding-top: 64px;
}

.post {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4rem);
}

.post .back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--text2);
  font-family: var(--mono);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.post .back-link:hover {
  color: var(--accent);
}

.post-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  color: color-mix(in srgb, var(--text-primary) 82%, var(--accent-warm));
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.post > .post-title {
  margin-bottom: 2rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1.14;
}

.post-lede {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  font-size: 1.05rem;
  line-height: 1.9;
}

.post-content {
  font-family: Georgia, "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: 16px;
  line-height: 1.8;
}

.post-content p {
  margin-bottom: 1.3rem;
  color: var(--text2);
}

.post-content h2,
.post-content h3,
.post-content h4 {
  margin: 2.2rem 0 1rem;
  color: var(--text);
  font-weight: 750;
  line-height: 1.25;
}

.post-content h2 {
  font-size: 1.45rem;
}

.post-content h3 {
  font-size: 1.18rem;
}

.post-content h4 {
  font-size: 1rem;
}

.post-content ul,
.post-content ol {
  margin: 0 0 1.4rem;
  padding-left: 1.3rem;
  color: var(--text2);
}

.post-content li + li {
  margin-top: 0.35rem;
}

.post-content blockquote {
  margin: 1.8rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--accent-warm);
  color: var(--text2);
}

.post-content blockquote p {
  margin-bottom: 0;
}

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.post-content code {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg2);
  color: var(--text);
  padding: 0.08rem 0.32rem;
  font-family: var(--mono);
  font-size: 0.9em;
}

.post-content pre {
  overflow-x: auto;
  margin: 1.7rem 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #0b0d12;
  padding: 1rem;
}

.post-content pre code {
  display: block;
  border: 0;
  background: transparent;
  color: #e7eaf0;
  padding: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  white-space: pre;
}

.post-content .codehilite {
  margin: 1.7rem 0;
}

.post-content .codehilite pre {
  margin: 0;
}

.post-content .codehilite .k,
.post-content .codehilite .kd,
.post-content .codehilite .kn {
  color: #a78bfa;
}

.post-content .codehilite .s,
.post-content .codehilite .s1,
.post-content .codehilite .s2 {
  color: #74c69d;
}

.post-content .codehilite .c,
.post-content .codehilite .c1 {
  color: #7f8794;
}

.post-content .codehilite .nf,
.post-content .codehilite .na {
  color: #66d9c4;
}

.post-content .codehilite .mi,
.post-content .codehilite .mf {
  color: #c9a96e;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
  border-top: 1px solid var(--border-card);
  color: var(--text-hint);
  font-size: 13px;
}

.blog-list-page .site-footer {
  width: min(900px, calc(100% - 40px));
}

.blog-category-page .site-footer,
.post-main + .site-footer {
  width: min(760px, calc(100% - 40px));
}

.site-footer a {
  color: var(--text-hint);
  text-decoration: none;
  transition: color 0.16s ease;
}

.site-footer a:hover {
  color: var(--text-secondary);
}

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

  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}

@media (max-width: 1024px) {
  .link-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  nav[aria-label="主要导航"] {
    padding: 0 clamp(1rem, 5vw, 2rem);
  }

  .nav-menu-button {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    margin-left: auto;
    border: 1px solid var(--border2);
    cursor: pointer;
  }

  .nav-menu-button span {
    width: 16px;
    height: 1px;
    background: var(--text-primary);
    transition: transform 0.2s, opacity 0.2s;
  }

  .nav-toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  .nav-toggle:focus-visible + .nav-menu-button {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 0.8rem clamp(1.5rem, 5vw, 4rem) 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--nav-menu-bg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-110%);
    transition: transform 0.2s, opacity 0.2s;
  }

  .nav-links a {
    display: block;
    padding: 0.85rem 0;
  }

  .nav-toggle:checked ~ .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle:checked + .nav-menu-button span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle:checked + .nav-menu-button span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked + .nav-menu-button span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .blog-list-page .post-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .blog-list-page .post-left {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px 10px;
    width: 100%;
  }

  .blog-list-page .post-title {
    flex: 1 1 100%;
    white-space: normal;
  }

  .blog-list-page .post-excerpt {
    flex: 1 1 auto;
    width: 100%;
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .site-header {
    flex-wrap: wrap;
    gap: 14px;
    min-height: 68px;
    padding: 12px 16px;
  }

  .site-name {
    font-size: 18px;
  }

  .header-tools {
    flex: 1 1 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .clock-widget {
    flex-wrap: nowrap;
    gap: 6px;
  }

  .search {
    flex: 1 1 auto;
    min-width: 0;
  }

  .search input {
    height: 40px;
    padding-right: 70px;
  }

  .page-shell,
  .subpage-header,
  .music-shell {
    width: calc(100% - 24px);
  }

  .page-shell {
    padding-top: 28px;
  }

  .web-search-area {
    margin-bottom: 28px;
    padding: 12px;
  }

  .web-search-form {
    height: 48px;
    padding-left: 14px;
  }

  .music-page .music-title {
    margin-bottom: 56px;
  }

  .category-list {
    gap: 34px;
  }

  .link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .link-card {
    align-items: flex-start;
    min-height: 92px;
    padding: 12px;
  }

  .link-favicon {
    width: 28px;
    height: 28px;
    margin-right: 9px;
  }

  .link-name {
    font-size: 14px;
  }

  .link-description {
    font-size: 12px;
  }

  .blog-list-page .category-grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 380px) {
  .header-tools {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}