/* ==========================================================================
   拾光集 · stylesheet
   排版：思源宋体 / 系统字体；配色：纸与朱砂。
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --bg: #f7f4ed;
  --bg-soft: #f1ece1;
  --surface: #fffdf8;
  --surface-2: #faf7ef;
  --text: #211f1b;
  --text-soft: #4b463d;
  --muted: #7c7568;
  --line: #e3ddcf;
  --line-strong: #d3cab6;
  --accent: #b3442d;
  --accent-ink: #ffffff;
  --code-bg: #f0ebdf;
  --shadow-sm: 0 1px 2px rgba(56, 42, 26, 0.05);
  --shadow: 0 2px 4px rgba(56, 42, 26, 0.04), 0 18px 40px -24px rgba(56, 42, 26, 0.3);
  --shadow-lg: 0 4px 8px rgba(56, 42, 26, 0.05), 0 32px 64px -28px rgba(56, 42, 26, 0.35);
  --radius: 16px;
  --max: 1180px;
  --header-h: 68px;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", "Cascadia Code", Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
  --bg: #131210;
  --bg-soft: #181613;
  --surface: #1b1916;
  --surface-2: #201d19;
  --text: #eae5da;
  --text-soft: #c9c2b5;
  --muted: #978f81;
  --line: #2e2a24;
  --line-strong: #3d372e;
  --accent: #e0795c;
  --accent-ink: #1b120e;
  --code-bg: #262219;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.25), 0 18px 40px -24px rgba(0, 0, 0, 0.75);
  --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.3), 0 32px 64px -28px rgba(0, 0, 0, 0.8);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.no-scroll {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
  color: var(--text);
}

p {
  margin: 0;
}

::selection {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--text);
}

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

.wrap {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: none;
}

kbd {
  display: inline-block;
  min-width: 18px;
  padding: 1px 5px;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--surface-2);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.6;
  text-align: center;
}

/* ---------- 3. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.site-header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
  flex-shrink: 0;
}

.brand__seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.brand:hover .brand__seal {
  transform: rotate(-6deg) scale(1.04);
}

.brand__name {
  display: inline-flex;
  align-items: baseline;
  gap: 11px;
  font-family: var(--font-serif);
  font-size: 1.14rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.brand__tag {
  padding-left: 11px;
  border-left: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.16em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__link {
  position: relative;
  padding: 7px 13px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-nav__link:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 5%, transparent);
}

.site-nav__link.is-active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}

.site-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.icon-btn svg {
  width: 19px;
  height: 19px;
}

.icon-btn:hover {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.nav-toggle {
  display: none;
}

/* ---------- 4. 首页 hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 8vw, 104px) 0 clamp(24px, 4vw, 48px);
}

.hero::before {
  content: "";
  position: absolute;
  top: -260px;
  right: -180px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 13%, transparent), transparent 62%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent);
}

.hero__title {
  font-size: clamp(3.4rem, 8.6vw, 6.8rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: 0.06em;
  margin-left: -0.06em;
}

.hero__dot {
  color: var(--accent);
  font-weight: 400;
}

.hero__lede {
  max-width: 26em;
  margin-top: 26px;
  color: var(--text-soft);
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.85;
  letter-spacing: 0.02em;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: color-mix(in srgb, var(--accent) 86%, #000);
  transform: translateY(-1px);
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text-soft);
  background: transparent;
}

.btn--ghost:hover {
  border-color: var(--text-soft);
  color: var(--text);
  transform: translateY(-1px);
}

.hero__aside {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.now-card {
  position: relative;
  padding: 24px 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.now-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 26px;
  width: 36px;
  height: 2px;
  background: var(--accent);
}

.now-card__label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.now-card__title {
  display: block;
  margin: 10px 0 8px;
  font-family: var(--font-serif);
  font-size: 1.26rem;
  line-height: 1.45;
  transition: color 0.2s ease;
}

.now-card__title:hover {
  color: var(--accent);
}

.now-card__meta {
  display: flex;
  gap: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.now-card__summary {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.now-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--accent);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.now-card__more span {
  transition: transform 0.2s ease;
}

.now-card__more:hover span {
  transform: translateX(4px);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 0;
  padding: 18px 6px 0;
  border-top: 1px solid var(--line);
}

.hero__stats div {
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.hero__stats div:first-child {
  border-left: 0;
  padding-left: 0;
}

.hero__stats dt {
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.12em;
}

.hero__stats dd {
  margin: 2px 0 0;
  font-family: var(--font-serif);
  font-size: 1.7rem;
  line-height: 1.2;
}

.hero__stats small {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--muted);
}

/* ---------- 5. 区块与列表 ---------- */
.section {
  padding-block: clamp(40px, 5.5vw, 72px);
}

.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
}

.section-head__no {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.section-head h2,
.panel__head h2 {
  font-size: 1.5rem;
  letter-spacing: 0.08em;
}

.section-head__rule {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.section-head__link,
.section-head__note {
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.section-head__link span {
  display: inline-block;
  margin-left: 2px;
  transition: transform 0.2s ease;
}

.section-head__link:hover {
  color: var(--accent);
}

.section-head__link:hover span {
  transform: translateX(4px);
}

.section-more {
  margin-top: 28px;
  text-align: center;
}

.text-link {
  color: var(--accent);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}

.text-link:hover {
  border-color: var(--accent);
}

/* 精选 */
.feature {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.35s ease, transform 0.35s ease, border-color 0.35s ease;
}

.feature:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-lg);
}

.feature__cover {
  height: 100%;
  min-height: 300px;
  aspect-ratio: auto;
}

.feature:hover .cover__glyph {
  transform: scale(1.05) rotate(-2deg);
}

.feature__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(26px, 4vw, 48px);
}

.feature__title {
  margin: 18px 0 14px;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.feature__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.feature .chips {
  position: relative;
  z-index: 2;
}

.feature__title a {
  transition: color 0.2s ease;
}

.feature:hover .feature__title a {
  color: var(--accent);
}

.feature__summary {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.feature__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 26px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.feature__more {
  margin-left: auto;
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 12.5px;
}

.feature__more span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.feature:hover .feature__more span {
  transform: translateX(4px);
}

/* 文章列表 */
.post-list {
  border-top: 1px solid var(--line);
}

.post-row {
  position: relative;
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) auto;
  gap: clamp(16px, 3vw, 32px);
  align-items: start;
  padding: 24px 6px 24px 2px;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s ease, padding-left 0.25s ease;
}

.post-row:hover {
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  padding-left: 10px;
}

.post-row__date {
  display: flex;
  flex-direction: column;
  padding-top: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.post-row__date b {
  color: var(--text-soft);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.post-row__title {
  font-size: 1.24rem;
  line-height: 1.5;
  letter-spacing: 0.015em;
}

.post-row__title a {
  transition: color 0.2s ease;
}

.post-row__title a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.post-row:hover .post-row__title a {
  color: var(--accent);
}

.post-row__summary {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-row__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 6px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.post-row__tag {
  color: var(--accent);
}

.post-row__arrow {
  color: var(--line-strong);
  font-size: 15px;
  transition: transform 0.25s ease, color 0.25s ease;
}

.post-row:hover .post-row__arrow {
  color: var(--accent);
  transform: translateX(5px);
}

.post-row--compact {
  grid-template-columns: 64px minmax(0, 1fr) auto;
  padding: 17px 6px 17px 2px;
}

.post-row--compact .post-row__title {
  font-size: 1.08rem;
}

.post-row--compact .post-row__summary {
  display: none;
}

.post-row--compact .post-row__meta {
  padding-top: 2px;
}

/* 首页底部 */
.home-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.65fr);
  gap: 24px;
  align-items: stretch;
}

.panel {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface-2);
}

.panel__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.panel__note {
  margin-top: 20px;
  color: var(--muted);
  font-size: 12.5px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.tag-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--text-soft);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.tag-pill sup {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9.5px;
  top: -0.3em;
}

.tag-pill:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.panel--about {
  position: relative;
  background: color-mix(in srgb, var(--accent) 5%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 20%, var(--line));
  display: flex;
  flex-direction: column;
}

.panel--about h2 {
  margin: 18px 0 12px;
  font-size: 1.35rem;
}

.panel--about p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: auto;
  padding-top: 24px;
}

.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1;
  transform: rotate(-2deg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25), var(--shadow-sm);
}

.seal--sm {
  width: 40px;
  height: 40px;
  font-size: 22px;
  border-radius: 10px;
}

/* ---------- 6. 内页头部 ---------- */
.page-hero {
  padding: clamp(48px, 6vw, 76px) 0 clamp(28px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-hero .eyebrow {
  margin-bottom: 18px;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.page-hero__lede {
  max-width: 42em;
  margin-top: 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-hero--center {
  text-align: center;
  border-bottom: 0;
  padding-bottom: 8px;
}

.page-hero--center .seal {
  display: flex;
  margin: 0 auto 22px;
}

.page-hero--center .eyebrow {
  display: inline-flex;
}

.page-hero--center .page-hero__lede {
  margin-inline: auto;
}

/* ---------- 7. 归档 ---------- */
.archive {
  padding-block: clamp(36px, 5vw, 64px);
}

.year-group {
  margin-bottom: clamp(40px, 5vw, 64px);
}

.year-label {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 18px;
  color: color-mix(in srgb, var(--text) 40%, var(--bg));
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.year-label em {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.14em;
}

/* ---------- 8. 标签 ---------- */
.tag-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 14px;
  padding-block: clamp(32px, 4vw, 52px);
}

.tag-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 4px 10px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.tag-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.tag-card__hash {
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.tag-card__name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.tag-card__count {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.tag-card__latest {
  grid-column: 1 / -1;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 9. 封面图形 ---------- */
.cover {
  --cv-a: #4a241c;
  --cv-b: #b3442d;
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, var(--cv-a), var(--cv-b));
  isolation: isolate;
}

.cover--pine { --cv-a: #16302b; --cv-b: #356b58; }
.cover--clay { --cv-a: #4a241c; --cv-b: #b3442d; }
.cover--ochre { --cv-a: #4b3a17; --cv-b: #a9812f; }
.cover--mist { --cv-a: #1e2b3a; --cv-b: #45647f; }
.cover--slate { --cv-a: #24262b; --cv-b: #565b66; }
.cover--plum { --cv-a: #34202e; --cv-b: #6d3a55; }

.cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 22% 12%, rgba(255, 255, 255, 0.22), transparent 48%);
  z-index: 1;
}

.cover__no {
  position: absolute;
  top: 18px;
  left: 22px;
  z-index: 3;
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
}

.cover__glyph {
  position: absolute;
  right: 3%;
  bottom: -14%;
  z-index: 2;
  color: rgba(255, 255, 255, 0.13);
  font-family: var(--font-serif);
  font-size: clamp(7rem, 15vw, 13rem);
  font-weight: 600;
  line-height: 1;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cover__ring {
  position: absolute;
  top: -22%;
  right: -10%;
  z-index: 1;
  width: 58%;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255, 255, 255, 0.045);
}

.cover__lines {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(125deg, #000, transparent 72%);
  mask-image: linear-gradient(125deg, #000, transparent 72%);
}

.cover--wide {
  aspect-ratio: 3 / 1;
  border-radius: 20px;
}

.cover--wide .cover__glyph {
  right: 5%;
  bottom: -26%;
  font-size: clamp(8rem, 13vw, 12rem);
}

/* ---------- 10. 文章页 ---------- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 60;
  width: 100%;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width 0.1s linear;
}

.post-header {
  max-width: 880px;
  padding-top: clamp(36px, 5vw, 60px);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.03em;
}

.crumbs a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.crumbs a:hover {
  color: var(--accent);
}

.crumbs span[aria-hidden] {
  color: var(--line-strong);
}

.post-header .chips {
  margin: 26px 0 18px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.chip span {
  color: var(--accent);
}

.chip:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.post-title {
  font-size: clamp(2rem, 4.6vw, 3.3rem);
  line-height: 1.24;
  letter-spacing: 0.02em;
}

.post-lede {
  max-width: 54em;
  margin-top: 20px;
  color: var(--muted);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
}

.post-meta__dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line-strong);
}

.post-banner {
  max-width: 1080px;
  margin-top: clamp(32px, 4vw, 48px);
}

.post-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: clamp(32px, 5vw, 72px);
  max-width: 1080px;
  padding-block: clamp(36px, 5vw, 56px) 0;
}

.post-body .prose {
  max-width: 720px;
}

.toc {
  position: sticky;
  top: calc(var(--header-h) + 32px);
  align-self: start;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  max-height: calc(100vh - var(--header-h) - 64px);
  overflow-y: auto;
}

.toc__title {
  margin-bottom: 14px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc__item a {
  display: block;
  margin-left: -19px;
  padding: 4px 0 4px 19px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.6;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.toc__item--h3 a {
  padding-left: 31px;
  font-size: 12px;
}

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

.toc__item a.is-active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* 正文排版 */
.prose {
  color: var(--text-soft);
  font-size: 1.075rem;
  line-height: 1.95;
  letter-spacing: 0.01em;
  overflow-wrap: break-word;
}

.prose > p:first-of-type {
  color: var(--text);
  font-size: 1.14rem;
}

.prose p {
  margin: 1.05em 0;
}

.prose h2,
.prose h3,
.prose h4 {
  scroll-margin-top: calc(var(--header-h) + 28px);
  color: var(--text);
}

.prose h2 {
  margin: 2.4em 0 0.85em;
  font-size: 1.62rem;
  line-height: 1.45;
  letter-spacing: 0.02em;
}

.prose h2::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 12px;
  background: var(--accent);
  transform: translateY(-4px);
}

.prose h3 {
  margin: 2em 0 0.6em;
  font-size: 1.28rem;
}

.prose h4 {
  margin: 1.8em 0 0.5em;
  font-size: 1.1rem;
}

.anchor {
  margin-left: 8px;
  color: var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.7em;
  text-decoration: none;
  opacity: 0;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.prose h2:hover .anchor,
.prose h3:hover .anchor {
  opacity: 1;
  color: var(--accent);
}

.prose a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.prose a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.prose strong {
  color: var(--text);
  font-weight: 600;
}

.prose em {
  font-style: italic;
}

.prose del {
  color: var(--muted);
}

.prose ul,
.prose ol {
  margin: 1.1em 0;
  padding-left: 1.45em;
}

.prose li {
  margin: 0.4em 0;
  padding-left: 0.2em;
}

.prose li::marker {
  color: var(--accent);
}

.prose ul ul,
.prose ol ol,
.prose ul ol,
.prose ol ul {
  margin: 0.4em 0;
}

.prose hr {
  width: 100%;
  height: 1px;
  margin: 3em 0;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.prose blockquote {
  margin: 2em 0;
  padding: 6px 0 6px 24px;
  border-left: 2px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 1.06em;
  line-height: 1.9;
}

.prose blockquote p {
  margin: 0.55em 0;
}

.prose blockquote p:first-child {
  margin-top: 0;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose :not(pre) > code {
  padding: 0.18em 0.42em;
  border: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  border-radius: 5px;
  background: var(--code-bg);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.86em;
}

.prose img {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.prose-figure {
  margin: 2.2em 0;
}

.prose-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

.table-wrap {
  margin: 2em 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  line-height: 1.7;
}

.prose th,
.prose td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.prose thead th {
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.prose th:first-child,
.prose td:first-child {
  white-space: nowrap;
}

.prose td code {
  white-space: nowrap;
}

.prose tbody tr:last-child td {
  border-bottom: 0;
}

/* 代码块 */
.code-block {
  margin: 2em 0;
  border: 1px solid #262a33;
  border-radius: 12px;
  background: #14161b;
  overflow: hidden;
  box-shadow: 0 12px 32px -24px rgba(0, 0, 0, 0.9);
}

.code-block figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid #262a33;
  background: #171a20;
  color: #8c93a3;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.code-block pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  tab-size: 2;
}

.code-block code {
  display: block;
  color: #d7dae2;
  font-family: var(--font-mono);
  font-size: 13.2px;
  line-height: 1.78;
  background: none;
  border: 0;
  padding: 0;
}

.code-copy {
  padding: 3px 9px;
  border: 1px solid #2f343e;
  border-radius: 5px;
  background: transparent;
  color: #8c93a3;
  font-family: var(--font-sans);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.code-copy:hover {
  color: #fff;
  border-color: #4a5160;
  background: rgba(255, 255, 255, 0.06);
}

.code-copy.is-done {
  color: #9fd3b8;
  border-color: #3d6b59;
}

.code-block code ::selection {
  background: rgba(224, 121, 92, 0.3);
}

.tok-com { color: #6f7787; font-style: italic; }
.tok-str { color: #b9d48b; }
.tok-num { color: #e0a36d; }
.tok-kw { color: #e08a6d; }
.tok-fn { color: #8fc7e8; }
.tok-attr { color: #c9a9e0; }

/* 文章页脚 */
.post-footer {
  max-width: 720px;
  padding-top: 40px;
}

.post-end {
  color: var(--accent);
  font-size: 9px;
  letter-spacing: 0.5em;
  text-align: center;
}

.post-license {
  margin-top: 22px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.8;
  text-align: center;
}

.post-license a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 2px;
}

.post-license a:hover {
  color: var(--accent);
}

.post-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 42px;
}

.pager-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.pager-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.pager-card--next {
  justify-content: flex-end;
  text-align: right;
}

.pager-card__text {
  display: block;
  min-width: 0;
}

.pager-card--next .pager-card__text {
  text-align: right;
}

.pager-card__label {
  display: block;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.pager-card strong {
  display: block;
  margin-top: 4px;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}

.pager-card__arrow {
  color: var(--accent);
  font-size: 16px;
}

.pager-card--ghost {
  border-style: dashed;
  background: transparent;
}

.pager-card--ghost strong {
  color: var(--text-soft);
}

.pager-card--ghost:hover {
  border-style: solid;
}

.post-pager--single {
  grid-template-columns: minmax(0, 1fr);
}

.related {
  margin-top: 64px;
}

.related__title {
  margin-bottom: 18px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.related__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.mini-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.mini-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.mini-card__tag {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
}

.mini-card strong {
  font-family: var(--font-serif);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.55;
}

.mini-card__meta {
  margin-top: auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

/* ---------- 11. 页面 / 404 ---------- */
.page-body {
  max-width: 760px;
  padding-block: clamp(32px, 4vw, 52px) 20px;
}

.page-body .prose h2 {
  margin-top: 2em;
}

.notfound {
  display: flex;
  align-items: center;
  min-height: 62vh;
  text-align: center;
  padding-block: 64px;
}

.notfound .eyebrow {
  justify-content: center;
}

.notfound h1 {
  margin-top: 10px;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  letter-spacing: 0.04em;
}

.notfound__lede {
  max-width: 32em;
  margin: 20px auto 0;
  color: var(--muted);
}

.notfound__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.notfound__aside {
  margin-top: 26px;
  color: var(--muted);
  font-size: 13px;
}

.notfound__aside a {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  margin-top: clamp(56px, 8vw, 104px);
  padding-top: 56px;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) auto;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand__note {
  margin-top: 16px;
  max-width: 22em;
  color: var(--muted);
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.8;
}

.footer-brand__copy {
  margin-top: 18px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
}

.footer-links a {
  color: var(--muted);
  width: fit-content;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(3px);
}

.footer-social {
  display: flex;
  gap: 8px;
  align-self: start;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--muted);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.social-link svg {
  width: 17px;
  height: 17px;
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--surface);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-block: 18px 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.footer-base a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.footer-base a:hover {
  color: var(--accent);
}

.footer-base span {
  margin-inline: 8px;
  color: var(--line-strong);
}

/* ---------- 13. 搜索 ---------- */
.search-dialog {
  width: min(680px, calc(100vw - 32px));
  max-width: none;
  margin: 12vh auto auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
}

.search-dialog::backdrop {
  background: rgba(24, 20, 16, 0.42);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.search-box {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 32px 90px -24px rgba(30, 22, 14, 0.55);
  overflow: hidden;
}

.search-field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.search-field > svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--muted);
}

.search-field__input {
  flex: 1;
  min-width: 0;
  padding: 2px 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16.5px;
  outline: none;
}

.search-field__input::placeholder {
  color: var(--muted);
}

.search-field__input::-webkit-search-cancel-button {
  display: none;
}

.search-field__kbd {
  flex-shrink: 0;
}

.search-results {
  max-height: min(52vh, 480px);
  overflow-y: auto;
  padding: 8px;
  overscroll-behavior: contain;
}

.search-result {
  display: block;
  padding: 11px 14px;
  border-radius: 10px;
  transition: background 0.15s ease;
}

.search-result + .search-result {
  margin-top: 2px;
}

.search-result.is-active,
.search-result:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.search-result__title {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
}

.search-result__meta {
  display: flex;
  gap: 8px;
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.search-result__tag {
  color: var(--accent);
}

.search-result__snippet {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result mark {
  padding: 0 2px;
  border-radius: 3px;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: inherit;
}

.search-empty {
  padding: 36px 16px;
  color: var(--muted);
  font-size: 13.5px;
  text-align: center;
}

.search-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 9px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10.5px;
}

.search-footer span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.search-footer__brand {
  margin-left: auto;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.14em;
}

/* ---------- 14. 动效 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 15. 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .hero__aside {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 24px;
    align-items: start;
  }

  .hero__stats {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 4px;
    border-top: 0;
  }

  .hero__stats div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 8px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero__stats div:first-child {
    padding-left: 0;
  }

  .post-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .home-bottom {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature__cover {
    min-height: 0;
    aspect-ratio: 2.2 / 1;
  }

  .related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-main {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .footer-social {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px 24px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .site-header.nav-open .site-nav {
    display: flex;
    animation: dropIn 0.2s ease both;
  }

  .site-nav__link {
    padding: 11px 12px;
    font-size: 15px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .brand__tag {
    display: none;
  }
}

@keyframes dropIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  .wrap {
    width: calc(100% - 40px);
  }

  .brand__name {
    font-size: 1.06rem;
  }

  .post-row {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 14px;
    padding-block: 20px;
  }

  .post-row__meta {
    grid-column: 2;
    padding-top: 4px;
    gap: 12px;
  }

  .post-row__summary {
    -webkit-line-clamp: 2;
  }

  .post-row__arrow {
    display: none;
  }

  .post-row--compact .post-row__meta {
    display: none;
  }

  .post-header {
    padding-top: 30px;
  }

  .post-banner {
    margin-top: 28px;
  }

  .cover--wide {
    aspect-ratio: 2 / 1;
  }

  .cover--wide .cover__glyph {
    bottom: -18%;
  }

  .post-pager {
    grid-template-columns: minmax(0, 1fr);
  }

  .related__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-main {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .footer-base {
    font-size: 10px;
  }

  .search-dialog {
    margin-top: 7vh;
  }

  .search-results {
    max-height: 56vh;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-top: 40px;
  }

  .hero__title {
    font-size: clamp(2.9rem, 15vw, 4rem);
  }

  .hero__aside {
    display: flex;
    flex-direction: column;
  }

  .hero__stats {
    display: flex;
    gap: 0;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .hero__stats div {
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 0 0 0 12px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .hero__stats div:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .hero__stats dd {
    font-size: 1.4rem;
  }

  .section-head__note {
    display: none;
  }

  .feature__body {
    padding: 22px;
  }

  .feature__meta {
    gap: 8px;
  }

  .feature__more {
    width: 100%;
    margin-left: 0;
  }

  .panel {
    padding: 22px;
  }

  .post-title {
    font-size: clamp(1.75rem, 8vw, 2.3rem);
  }

  .post-meta {
    gap: 8px;
    font-size: 11px;
  }

  .prose {
    font-size: 1.02rem;
    line-height: 1.9;
  }

  .prose > p:first-of-type {
    font-size: 1.06rem;
  }

  .prose h2 {
    font-size: 1.4rem;
  }

  .code-block pre {
    padding: 16px;
  }

  .code-block code {
    font-size: 12.4px;
  }

  .archive .year-label {
    font-size: 2rem;
  }
}

/* ---------- 16. 打印 ---------- */
@media print {
  .site-header,
  .site-footer,
  .toc,
  .post-pager,
  .related,
  .reading-progress,
  .search-dialog,
  .skip-link,
  .hero__cta {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .post-body {
    display: block;
    padding-top: 0;
  }

  .post-banner {
    display: none;
  }

  .prose {
    font-size: 11pt;
  }

  .prose a {
    text-decoration: none;
  }

  .code-block {
    box-shadow: none;
  }
}