/* ==========================================================================
   罗文的工作经验分享 —— 站点样式
   纯静态、无外部依赖。配色：暖白底 + 深墨正文 + 深青强调色。
   ========================================================================== */

:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #1b2422;
  --ink-soft: #3f4b49;
  --muted: #66716e;
  --accent: #12564f;
  --accent-deep: #0d3f3a;
  --accent-soft: #e8f1ef;
  --line: #e2e1da;
  --line-strong: #cfcec5;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(24, 36, 34, 0.04);
  --wrap: 1120px;
  --header-h: 64px;
}

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

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

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", "Source Han Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

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

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

/* ---------- 布局基元 ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 6px 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------- 顶部导航 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.94);
  backdrop-filter: saturate(150%) blur(8px);
  -webkit-backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}

.brand span {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14.5px;
  color: var(--ink-soft);
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.site-nav a:hover {
  background: var(--accent-soft);
  color: var(--accent-deep);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--accent-deep);
  background: var(--accent-soft);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.menu-toggle .bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
}

.menu-toggle .bars i {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink-soft);
  border-radius: 1px;
}

/* ---------- 首页 Hero ---------- */

.hero {
  padding: 88px 0 64px;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: 860px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero .lead {
  margin-top: 24px;
  font-size: 19px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 700px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
  list-style: none;
  padding: 0;
}

.hero-tags li {
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 14px;
  background: var(--surface);
}

/* ---------- 通用区块 ---------- */

.section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

.section:last-of-type {
  border-bottom: 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: clamp(24px, 3vw, 30px);
}

.section-head .more {
  flex: none;
  font-size: 14px;
  color: var(--accent);
}

.section-head p {
  margin-top: 8px;
  font-size: 15px;
  color: var(--muted);
  max-width: 620px;
}

/* ---------- 文章卡片 ---------- */

.post-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.post-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.post-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(24, 36, 34, 0.06);
}

.post-card .meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 16px;
}

.post-card .meta .tag {
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 9px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

.post-card .meta time {
  font-variant-numeric: tabular-nums;
}

.post-card h3 {
  font-size: 22px;
  line-height: 1.45;
}

.post-card h3 a {
  color: var(--ink);
}

.post-card h3 a:hover {
  color: var(--accent-deep);
  text-decoration: none;
}

.post-card p.summary {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.post-card .foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

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

/* ---------- 栏目卡片 ---------- */

.column-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.column-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.column-card:hover {
  border-color: var(--accent);
  background: #fff;
  text-decoration: none;
}

.column-card .idx {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}

.column-card h3 {
  font-size: 20px;
  color: var(--ink);
}

.column-card p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.column-card .count {
  margin-top: auto;
  padding-top: 18px;
  font-size: 12.5px;
  color: var(--accent);
}

/* ---------- 网站简介 ---------- */

.intro-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.intro-block h2 {
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.4;
}

.intro-block .intro-copy p {
  color: var(--ink-soft);
  font-size: 16px;
  margin-bottom: 20px;
  max-width: 620px;
}

.intro-lists {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 8px;
}

.intro-lists h3 {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 10px;
}

.intro-lists ul {
  list-style: none;
  padding: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.intro-lists li {
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}

.intro-lists li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 5px;
  height: 1px;
  background: var(--line-strong);
}

/* ---------- 栏目页 ---------- */

.page-head {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--line);
}

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

.page-head h1 {
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.3;
}

.page-head .desc {
  margin-top: 18px;
  max-width: 680px;
  font-size: 17px;
  color: var(--ink-soft);
}

.page-head .rule {
  margin-top: 26px;
  padding: 14px 18px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--accent-deep);
  max-width: 680px;
}

.list-section {
  padding: 48px 0 72px;
}

.post-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.post-row {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr) auto;
  gap: 28px;
  align-items: baseline;
  padding: 26px 8px;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.16s ease;
}

.post-row:hover {
  background: var(--surface);
}

.post-row time {
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.post-row h3 {
  font-size: 21px;
  line-height: 1.5;
}

.post-row h3 a {
  color: var(--ink);
}

.post-row h3 a:hover {
  color: var(--accent-deep);
  text-decoration: none;
}

.post-row p {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 720px;
}

.post-row .read {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- 文章页 ---------- */

.article {
  padding: 56px 0 0;
}

.article-shell {
  max-width: 780px;
}

.article-head {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.article-head .eyebrow {
  margin-bottom: 18px;
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 13.5px;
}

.article-head .eyebrow a {
  color: var(--accent);
}

.article-head h1 {
  font-size: clamp(30px, 4.4vw, 42px);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: 20px;
  font-size: 13.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.article-meta .dot {
  color: var(--line-strong);
}

.article-lead {
  margin-top: 26px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-soft);
  padding-left: 18px;
  border-left: 3px solid var(--accent-soft);
}

.prose {
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink);
}

.prose > * + * {
  margin-top: 1.05em;
}

.prose h2 {
  font-size: 25px;
  margin-top: 2.2em;
  margin-bottom: 0.2em;
  padding-top: 0.2em;
}

.prose h3 {
  font-size: 19px;
  margin-top: 1.8em;
  margin-bottom: 0.1em;
}

.prose p {
  color: var(--ink-soft);
}

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

.prose ul,
.prose ol {
  padding-left: 1.4em;
  color: var(--ink-soft);
}

.prose ul li,
.prose ol li {
  margin-bottom: 0.5em;
  padding-left: 0.2em;
}

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

.prose ol li::marker {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.prose blockquote {
  margin: 1.6em 0;
  padding: 16px 22px;
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.prose blockquote p {
  color: var(--ink-soft);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 14.5px;
  line-height: 1.7;
}

.prose th,
.prose td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.prose th {
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-weight: 600;
  font-size: 13.5px;
  white-space: nowrap;
}

.prose .checklist {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 1.6em 0;
  list-style: none;
}

.prose .checklist li {
  padding-left: 26px;
  position: relative;
  font-size: 15.5px;
  color: var(--ink-soft);
}

.prose .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 12px;
  height: 12px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
}

.disclaimer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 文章上下篇 */

.post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 780px;
  margin: 56px 0 0;
}

.post-nav-link {
  display: block;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.post-nav-link:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.post-nav-link span {
  display: block;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 6px;
}

.post-nav-link strong {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.post-nav-link.next {
  text-align: right;
}

/* 同栏目其它文章 */

.related {
  max-width: 780px;
  margin: 56px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.related h2 {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 14px;
}

.related ul {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.related li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.related li:last-child {
  border-bottom: 0;
}

.related li a {
  color: var(--ink-soft);
}

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

.related li span {
  flex: none;
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- 关于页 ---------- */

.about-hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--line);
}

.about-hero .eyebrow {
  text-transform: none;
  letter-spacing: 0.04em;
}

.about-hero h1 {
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.32;
}

.about-hero p {
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 720px;
}

.about-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.about-grid {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.about-grid h2 {
  font-size: 18px;
  color: var(--accent);
  letter-spacing: 0.02em;
  padding-top: 2px;
}

.about-grid .body {
  max-width: 700px;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.about-grid .body p + p {
  margin-top: 16px;
}

.about-grid .body ul {
  list-style: none;
  padding: 0;
  margin-top: 14px;
}

.about-grid .body li {
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}

.about-grid .body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  max-width: 560px;
}

.contact-box .mail {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
  word-break: break-all;
}

.contact-box .note {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.contact-box .limit {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--ink-soft);
}

.statement {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  max-width: 720px;
}

.statement p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

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

/* ---------- 404 ---------- */

.notfound {
  min-height: calc(100vh - var(--header-h) - 240px);
  display: flex;
  align-items: center;
  padding: 72px 0;
}

.notfound .code {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 16px;
}

.notfound h1 {
  font-size: clamp(28px, 4vw, 40px);
}

.notfound p {
  margin-top: 16px;
  max-width: 560px;
  font-size: 16px;
  color: var(--muted);
}

.notfound .links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 14.5px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn:hover {
  text-decoration: none;
  border-color: var(--accent);
}

/* ---------- 页脚 ---------- */

.site-footer {
  margin-top: 0;
  padding: 48px 0 40px;
  border-top: 1px solid var(--line);
  background: #f6f5f1;
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.footer-inner .f-brand {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.footer-inner .f-note {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 520px;
}

.footer-inner .f-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 13px;
}

.footer-inner .f-links a {
  color: var(--ink-soft);
}

.footer-inner .f-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  max-width: var(--wrap);
  margin: 28px auto 0;
  padding: 16px 32px 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 返回顶部 ---------- */

#to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-soft);
  font: inherit;
  font-size: 15px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(24, 36, 34, 0.08);
  transition: color 0.16s ease, border-color 0.16s ease;
}

#to-top:hover {
  color: var(--accent);
  border-color: var(--accent);
}

#to-top.is-visible {
  display: inline-flex;
}

/* ---------- 响应式 ---------- */

@media (max-width: 960px) {
  .header-inner {
    padding: 0 24px;
  }

  .site-nav a {
    padding: 8px 9px;
    font-size: 14px;
  }

  .brand span {
    display: none;
  }

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

  .intro-block {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .about-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 56px;
  }

  body {
    font-size: 16px;
  }

  .wrap {
    padding: 0 20px;
  }

  .header-inner {
    padding: 0 20px;
    gap: 12px;
  }

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

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px 16px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(24, 36, 34, 0.07);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 12px;
    font-size: 15px;
  }

  .hero {
    padding: 56px 0 44px;
  }

  .hero .lead {
    font-size: 17px;
  }

  .hero-tags {
    margin-top: 24px;
  }

  .section {
    padding: 52px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 26px;
  }

  .post-grid,
  .column-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .post-card {
    padding: 22px;
  }

  .post-card h3 {
    font-size: 20px;
  }

  .page-head {
    padding: 48px 0 36px;
  }

  .list-section {
    padding: 32px 0 56px;
  }

  .post-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 22px 4px;
  }

  .post-row .read {
    display: none;
  }

  .article {
    padding: 36px 0 0;
  }

  .article-head {
    margin-bottom: 30px;
    padding-bottom: 24px;
  }

  .article-lead {
    padding-left: 14px;
    font-size: 16px;
  }

  .prose {
    font-size: 16.5px;
    line-height: 1.85;
  }

  .prose h2 {
    font-size: 22px;
  }

  .prose h3 {
    font-size: 18px;
  }

  .prose table {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }

  .post-nav {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 40px;
  }

  .post-nav-link.next {
    text-align: left;
  }

  .related {
    margin-top: 40px;
  }

  .related li {
    flex-direction: column;
    gap: 2px;
  }

  .footer-inner,
  .footer-bottom {
    padding-left: 20px;
    padding-right: 20px;
  }

  .footer-inner {
    flex-direction: column;
  }

  #to-top {
    right: 16px;
    bottom: 16px;
    width: 38px;
    height: 38px;
  }

  .about-section {
    padding: 40px 0;
  }
}

@media (max-width: 380px) {
  .wrap {
    padding: 0 16px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .article-head h1 {
    font-size: 26px;
  }

  .post-card .meta {
    gap: 8px;
  }

  .footer-inner,
  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  #to-top,
  .post-nav,
  .related,
  .site-footer {
    display: none;
  }

  body {
    background: #fff;
  }
}