/* ═══════════════════════════════════════════════════════════════
   lj-yg.cn · 纸面技术手记
   设计意图：暖白纸面 + 墨色正文 + 朱砂点缀；衬线标题、等宽元信息、
   一根发丝分割线贯穿全站，追求印刷品的克制感而非技术博客的通用皮。
   ═══════════════════════════════════════════════════════════════ */

/* ── 自托管字体（Latin 子集，约 100KB，无外网依赖） ─────────────── */
@font-face {
  font-family: "Newsreader";
  src: url("/assets/fonts/newsreader-latin-400-normal.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("/assets/fonts/newsreader-latin-600-normal.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("/assets/fonts/newsreader-latin-400-italic.woff2") format("woff2");
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

/* ── 设计令牌 ─────────────────────────────────────────────────── */
:root {
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
    sans-serif;
  --font-display: "Newsreader", "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC",
    "SimSun", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas,
    "Liberation Mono", monospace;

  --wrap: 72rem;
  --fs-meta: 0.76rem;
  --measure: 42rem;
  --radius: 3px;
}

[data-theme="light"] {
  --bg: #f6f3ec;
  --bg-trans: rgba(246, 243, 236, 0.88);
  --bg-soft: #fffdf8;
  --text: #191817;
  --text-2: #62605a;
  --text-3: #6a655c;
  --rule: #e4dfd3;
  --rule-strong: #cec7b7;
  --accent: #b8391f;
  --accent-2: #8d2a14;
  --accent-soft: rgba(184, 57, 31, 0.08);
  --mark: #f0e6d2;
  --shadow: 0 1px 2px rgba(35, 28, 20, 0.05), 0 12px 32px rgba(35, 28, 20, 0.06);
  --grain: 0.05;
}

[data-theme="dark"] {
  --bg: #14130f;
  --bg-trans: rgba(20, 19, 15, 0.88);
  --bg-soft: #1b1a15;
  --text: #eae5d9;
  --text-2: #a49d8f;
  --text-3: #968c7d;
  --rule: #34302a;
  --rule-strong: #413d32;
  --accent: #e2613c;
  --accent-2: #f08461;
  --accent-soft: rgba(226, 97, 60, 0.12);
  --mark: #3a3320;
  --shadow: none;
  --grain: 0.07;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { animation: none !important; }
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  letter-spacing: 0.006em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 纸面颗粒感 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: var(--grain);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { width: min(100% - 3rem, var(--wrap)); margin-inline: auto; position: relative; z-index: 2; }
main { flex: 1 0 auto; }
.mono { font-family: var(--font-mono); font-feature-settings: "zero" 1; }

a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }

::selection { background: var(--accent); color: #fffdf8; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 0.6rem 1rem;
}
.skip-link:focus { left: 0; }

/* ── 页头 ─────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: var(--bg-trans);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}

.header-inner { display: flex; align-items: center; gap: 2rem; min-height: 4.1rem; }

.logotype {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display); font-size: 1.16rem; font-weight: 600;
  letter-spacing: 0.06em; color: var(--text);
}
.logotype:hover { color: var(--text); }
.seal {
  width: 0.66rem; height: 0.66rem; background: var(--accent);
  box-shadow: inset 0 0 0 1.5px var(--bg);
  transition: transform 0.35s cubic-bezier(0.22, 0.7, 0.3, 1);
}
.logotype:hover .seal { transform: rotate(45deg); }

.site-nav { display: flex; gap: 1.5rem; margin-left: auto; }
.site-nav a {
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--text-2); padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--accent); }
.site-nav a.is-active { color: var(--text); border-bottom-color: var(--accent); }

.header-tools { display: flex; align-items: center; gap: 0.5rem; }
.icon-btn {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-2);
  background: none; border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 0.3rem 0.55rem; cursor: pointer; transition: color 0.2s, border-color 0.2s;
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent); }
#theme-toggle { display: grid; place-items: center; width: 2.05rem; height: 1.75rem; padding: 0; }
.theme-icon {
  width: 0.72rem; height: 0.72rem; border-radius: 50%;
  background: var(--text-2); box-shadow: inset -3px -2px 0 0 var(--bg);
}
[data-theme="dark"] .theme-icon { background: none; box-shadow: inset 0 0 0 1.5px var(--text-2); }

/* ── 首页 ─────────────────────────────────────────────────────── */
.home-hero { padding: 4.5rem 0 3rem; max-width: var(--measure); }
.home-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.4rem, 1.5rem + 3.4vw, 3.9rem);
  line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 1rem;
}
.home-tagline {
  font-size: 0.76rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1.6rem;
}
.home-tagline::after {
  content: ""; display: block; width: 3.2rem; height: 2px;
  background: var(--accent); margin-top: 1.1rem;
}
.home-desc { color: var(--text-2); margin: 0; }

.section-label {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-3); font-weight: 400;
  padding-bottom: 0.7rem; margin: 0;
}

.post-list { border-top: 1px solid var(--rule-strong); }
.post-row {
  display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 2.2rem;
  padding: 1.9rem 0.4rem 1.9rem 0; border-bottom: 1px solid var(--rule);
  transition: padding-left 0.3s cubic-bezier(0.22, 0.7, 0.3, 1);
}
.post-row:hover { padding-left: 0.7rem; }
.post-row-date {
  font-size: var(--fs-meta); letter-spacing: 0.08em; color: var(--text-3);
  padding-top: 0.55rem; display: flex; align-items: baseline; gap: 0.5rem;
}
.post-row-date::before {
  content: ""; width: 0.6rem; height: 1px; background: var(--accent);
  align-self: center; flex: none;
}
.post-row-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.38rem; line-height: 1.35; margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.post-row-title a {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px; background-repeat: no-repeat; background-position: 0 100%;
  transition: background-size 0.4s cubic-bezier(0.22, 0.7, 0.3, 1);
}
.post-row:hover .post-row-title a { color: var(--accent); background-size: 100% 1px; }
.post-row-summary { color: var(--text-2); font-size: 0.95rem; margin: 0 0 0.7rem; }
.post-row-meta { font-size: var(--fs-meta); letter-spacing: 0.06em; color: var(--text-3); }

.chip {
  display: inline-block; font-family: var(--font-mono); font-size: 0.71rem;
  letter-spacing: 0.04em; color: var(--text-2);
  border: 1px solid var(--rule-strong); border-radius: 2px;
  padding: 0.1rem 0.48rem; transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.chip:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

.more { margin: 2.5rem 0 1rem; }
.btn-more {
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.08em;
  color: var(--text-2); border: 1px solid var(--rule-strong); border-radius: var(--radius);
  padding: 0.55rem 0.9rem; display: inline-block; transition: all 0.25s;
}
.btn-more:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

/* ── 页面标题区 ───────────────────────────────────────────────── */
.page-head { padding: 3.6rem 0 2.2rem; }
.page-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.9rem, 1.4rem + 2.2vw, 2.7rem);
  line-height: 1.2; letter-spacing: -0.015em; margin: 0 0 0.7rem;
}
.page-sub { font-size: 0.76rem; letter-spacing: 0.08em; color: var(--text-3); margin: 0; }

/* ── 文章页 ───────────────────────────────────────────────────── */
body.is-post .wrap, body.is-page .wrap { width: min(100% - 3rem, 78rem); }

main.has-toc {
  display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: 4rem;
  align-items: start;
}

.post { padding: 3.4rem 0 1rem; min-width: 0; }
.post-header { max-width: 46rem; padding-bottom: 1.6rem; border-bottom: 1px solid var(--rule-strong); }
.post-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.85rem, 1.3rem + 2.4vw, 2.7rem);
  line-height: 1.22; letter-spacing: -0.018em; margin: 0 0 1rem;
}
.post-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.55rem;
  font-size: var(--fs-meta); letter-spacing: 0.07em; color: var(--text-3);
}
.post-meta .dot { color: var(--rule-strong); }
.post-tags { display: inline-flex; gap: 0.35rem; flex-wrap: wrap; }

.post-body { max-width: var(--measure); padding-top: 2.2rem; font-size: 1.0625rem; }
.post-body > * + * { margin-top: 1.15em; }
.post-body p { margin: 0; }
.post-body strong { font-weight: 600; }
.post-body h2, .post-body h3, .post-body h4 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em;
  line-height: 1.35; position: relative;
}
.post-body h2 {
  font-size: 1.55rem; margin-top: 2.9rem; padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
.post-body h2:first-child { margin-top: 0.5rem; padding-top: 0; border-top: 0; }
.post-body h3 { font-size: 1.22rem; margin-top: 2.2rem; }
.post-body h4 { font-size: 1.04rem; margin-top: 1.7rem; color: var(--text-2); }

.anchor {
  font-family: var(--font-mono); font-size: 0.72em; color: var(--accent);
  margin-left: 0.45rem; opacity: 0; transition: opacity 0.2s;
}
h2:hover .anchor, h3:hover .anchor, h4:hover .anchor, .anchor:focus-visible { opacity: 1; }
.post-body h2:target, .post-body h3:target { color: var(--accent); }

.post-body ul, .post-body ol { padding-left: 1.35rem; }
.post-body li { margin: 0.4rem 0; }
.post-body li::marker { color: var(--accent); }

.post-body a {
  color: var(--accent); border-bottom: 1px solid var(--accent-soft);
  transition: border-color 0.2s, background 0.2s;
}
.post-body a:hover { background: var(--accent-soft); border-bottom-color: var(--accent); }

.post-body blockquote {
  font-family: var(--font-display); font-style: italic; font-size: 1.13rem;
  color: var(--text-2); margin: 1.8rem 0; padding: 0.3rem 0 0.3rem 1.4rem;
  border-left: 3px solid var(--accent);
}
.post-body blockquote p + p { margin-top: 0.7em; }

.post-body hr {
  border: 0; width: 5.5rem; height: 1px; background: var(--rule-strong);
  margin: 3rem auto;
}

.post-body img {
  max-width: 100%; height: auto; display: block;
  border: 1px solid var(--rule); border-radius: var(--radius);
}

.post-body code {
  font-family: var(--font-mono); font-size: 0.86em;
  background: var(--mark); border: 1px solid var(--rule);
  border-radius: 2px; padding: 0.1em 0.35em;
}

.post-body table {
  width: 100%; border-collapse: collapse; font-size: 0.93rem;
  display: block; overflow-x: auto;
}
.post-body th {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.09em;
  text-transform: uppercase; text-align: left; color: var(--text-2);
  border-bottom: 1px solid var(--rule-strong); padding: 0.6rem 0.8rem 0.5rem 0;
}
.post-body td { border-bottom: 1px solid var(--rule); padding: 0.6rem 0.8rem 0.6rem 0; }
.post-body tr:hover td { background: var(--accent-soft); }

/* 代码块 */
figure.code {
  position: relative; margin: 1.7rem 0;
  background: var(--bg-soft); border: 1px solid var(--rule);
  border-radius: var(--radius); overflow: hidden;
}
figure.code pre { margin: 0; padding: 1.15rem 1.2rem; overflow-x: auto; }
figure.code code {
  font-family: var(--font-mono); font-size: 0.855rem; line-height: 1.7;
  background: none; border: 0; padding: 0;
}
figure.code::before {
  content: attr(data-lang);
  position: absolute; top: 0; right: 0;
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-3);
  background: var(--bg-soft); padding: 0.3rem 0.55rem;
  border-left: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  border-bottom-left-radius: var(--radius);
}
.copy-code {
  position: absolute; right: 0.55rem; bottom: 0.55rem;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em;
  color: var(--text-3); background: var(--bg); border: 1px solid var(--rule);
  border-radius: 2px; padding: 0.2rem 0.45rem; cursor: pointer;
  opacity: 0; transition: opacity 0.2s, color 0.2s, border-color 0.2s;
}
figure.code:hover .copy-code, .copy-code:focus-visible { opacity: 1; }
.copy-code:hover { color: var(--accent); border-color: var(--accent); }
.copy-code.done { color: var(--accent); border-color: var(--accent); opacity: 1; }

.post-footer { max-width: var(--measure); margin-top: 3.5rem; padding-top: 1.8rem; border-top: 1px solid var(--rule); }
.post-source {
  font-size: var(--fs-meta); color: var(--text-3); line-height: 1.75;
  margin: 0 0 1.3rem; padding-left: 0.85rem; border-left: 2px solid var(--rule-strong);
}
.post-source code {
  font-family: var(--font-mono); font-size: 0.94em; background: var(--mark);
  border: 1px solid var(--rule); border-radius: 2px; padding: 0 0.25em;
}
.origin-badge {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em;
  color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-soft);
  border-radius: 2px; padding: 0.02rem 0.35rem;
}

/* ── 目录（宽屏侧栏） ────────────────────────────────────────── */
.toc {
  position: sticky; top: 6rem; align-self: start;
  max-height: calc(100vh - 9rem); overflow-y: auto;
  padding: 3.4rem 0 0; font-size: 0.82rem;
}
.toc-label {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-3); margin: 0 0 0.7rem;
}
.toc a {
  display: block; color: var(--text-3); line-height: 1.55;
  padding: 0.3rem 0 0.3rem 0.85rem; border-left: 1px solid var(--rule);
  transition: color 0.2s, border-color 0.2s;
}
.toc a:hover { color: var(--text); }
.toc a.lvl-3 { padding-left: 1.7rem; font-size: 0.78rem; }
.toc a.is-active { color: var(--accent); border-left-color: var(--accent); }

@media (max-width: 1080px) {
  main.has-toc { display: block; }
  .toc { display: none; }
}

/* ── 标签 ─────────────────────────────────────────────────────── */
.tag-grid { display: flex; flex-wrap: wrap; gap: 0.6rem; padding-bottom: 2rem; }
.tag-card {
  display: inline-flex; align-items: baseline; gap: 0.6rem;
  border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 0.5rem 0.85rem; transition: border-color 0.25s, background 0.25s;
}
.tag-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.tag-card:hover .tag-name { color: var(--accent); }
.tag-name { font-family: var(--font-display); font-size: 1.02rem; }
.tag-count { font-size: 0.7rem; color: var(--text-3); }

/* ── 归档 ─────────────────────────────────────────────────────── */
.archive-year { margin-bottom: 2.6rem; }
.archive-year-label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 0.8rem; letter-spacing: 0.16em; color: var(--text-2);
  margin: 0 0 0.4rem; padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--rule-strong);
}
.archive-year-label .count {
  font-size: 0.68rem; letter-spacing: 0.08em; color: var(--text-3);
}
.archive-list { list-style: none; margin: 0; padding: 0; }
.archive-list li {
  display: grid; grid-template-columns: 4.5rem minmax(0, 1fr); gap: 1.2rem;
  padding: 0.55rem 0; border-bottom: 1px dashed var(--rule);
}
.archive-list time { font-size: 0.76rem; color: var(--text-3); letter-spacing: 0.06em; }
.archive-list a { font-size: 1rem; }
.archive-list a:hover { color: var(--accent); }

/* ── 页脚 ─────────────────────────────────────────────────────── */
.site-footer {
  margin-top: 5rem; border-top: 1px solid var(--rule);
  background: var(--bg);
}
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.55rem;
  padding: 2.2rem 0 2.6rem; font-size: var(--fs-meta); letter-spacing: 0.07em;
  color: var(--text-3);
}
.footer-inner a { color: var(--text-3); }
.footer-inner a:hover { color: var(--accent); }
.footer-sep { color: var(--rule-strong); }
.footer-bit { margin-left: auto; }

/* ── 搜索浮层 ─────────────────────────────────────────────────── */
.search-overlay {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(20, 16, 12, 0.42);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  display: flex; justify-content: center; align-items: flex-start;
  padding: 12vh 1.2rem 2rem;
}
.search-overlay[hidden] { display: none; }
.search-panel {
  width: min(100%, 40rem); background: var(--bg-soft);
  border: 1px solid var(--rule-strong); border-radius: 4px;
  box-shadow: var(--shadow); overflow: hidden;
  animation: pop 0.18s cubic-bezier(0.22, 0.7, 0.3, 1);
}
@keyframes pop { from { opacity: 0; transform: translateY(-6px); } }
.search-field { display: flex; align-items: center; gap: 0.7rem; padding: 0.85rem 1rem; border-bottom: 1px solid var(--rule); }
.search-icon { font-family: var(--font-mono); color: var(--accent); font-size: 0.9rem; }
#search-input {
  flex: 1; border: 0; background: none; color: var(--text);
  font-family: var(--font-body); font-size: 1rem; outline: none;
}
#search-input::placeholder { color: var(--text-3); }
.search-close {
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em;
  color: var(--text-3); background: none; border: 1px solid var(--rule);
  border-radius: 2px; padding: 0.15rem 0.4rem; cursor: pointer;
}
.search-close:hover { color: var(--accent); border-color: var(--accent); }
.search-results { list-style: none; margin: 0; padding: 0; max-height: 52vh; overflow-y: auto; }
.search-results:empty { display: none; }
.search-results li { border-bottom: 1px solid var(--rule); }
.search-results a { display: block; padding: 0.8rem 1rem; }
.search-results a:hover { background: var(--accent-soft); }
.search-results .r-title { font-family: var(--font-display); font-size: 1.06rem; display: block; }
.search-results .r-meta { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-3); letter-spacing: 0.06em; }
.search-results mark { background: var(--mark); color: var(--accent-2); }
.search-hint {
  margin: 0; padding: 0.75rem 1rem; font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.06em; color: var(--text-3);
  border-top: 1px solid var(--rule);
}

/* ── 404 ──────────────────────────────────────────────────────── */
.error-page { padding: 6rem 0; max-width: var(--measure); }
.error-code { font-size: 3.6rem; color: var(--accent); margin: 0 0 0.5rem; letter-spacing: 0.06em; }

/* ── 入场动画 ─────────────────────────────────────────────────── */
.reveal { animation: rise 0.62s cubic-bezier(0.22, 0.7, 0.3, 1) both; animation-delay: calc(var(--i, 0) * 55ms); }
@keyframes rise { from { opacity: 0; transform: translateY(9px); } }

/* ── 响应式 ───────────────────────────────────────────────────── */
@media (max-width: 720px) {
  body { font-size: 1rem; line-height: 1.8; }
  .header-inner { flex-wrap: wrap; gap: 0.5rem 1.2rem; padding: 0.7rem 0; }
  .site-nav { margin-left: 0; width: 100%; gap: 1.1rem; }
  .header-tools { margin-left: auto; }
  .home-hero { padding: 3rem 0 2rem; }
  .post-row { grid-template-columns: minmax(0, 1fr); gap: 0.45rem; padding: 1.5rem 0; }
  .post-row-date { padding-top: 0; }
  .post-row-title { font-size: 1.24rem; }
  .archive-list li { grid-template-columns: 3.4rem minmax(0, 1fr); gap: 0.8rem; }
  .footer-bit { margin-left: 0; width: 100%; }
  .wrap { width: min(100% - 2.2rem, var(--wrap)); }
  body.is-post .wrap, body.is-page .wrap { width: min(100% - 2.2rem, var(--wrap)); }
}

@media print {
  .site-header, .site-footer, .toc, .search-overlay, .copy-code, .post-footer { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .post-body { max-width: none; }
}