/* ==========================================================================
   欧乐影院 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */

:root {
  --paper: #FBFCF9;
  --ink: #16261F;
  --moss: #3F6B4E;
  --ochre: #A4622F;
  --lake: #2E6E7A;
  --hay: #D9A441;
  --line: #DDE4DA;
  --wash: #EFF4EC;
  --muted: #5A6B60;
  --radius: 6px;
  --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --shell-max: 1180px;
  --shell-pad: 24px;
  --header-h: 64px;
}

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

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

body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  line-height: 1.35;
}

p {
  margin: 0 0 1em;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

figure {
  margin: 0;
}

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

a:hover,
a:focus-visible {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  z-index: 60;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  transition: top 0.16s ease;
}

.skip-link:focus {
  top: 12px;
  color: var(--paper);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover,
.brand:focus-visible {
  color: var(--ink);
  text-decoration: none;
}

.brand-name {
  font-size: 19px;
  font-weight: 600;
  line-height: 1;
}

.brand-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--moss);
}

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

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 22px;
}

.site-nav a {
  display: inline-block;
  padding: 6px 0;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--ink);
  line-height: 1.6;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--moss);
  text-decoration: none;
  border-bottom-color: var(--line);
}

.site-nav a.is-current {
  color: var(--moss);
  font-weight: 600;
  border-bottom-color: var(--moss);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 86vw);
  z-index: 80;
  background: var(--paper);
  border-left: 1px solid var(--line);
  padding: 20px 22px 32px;
  overflow-y: auto;
}

.mobile-drawer[hidden] {
  display: none;
}

.drawer-close {
  display: block;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  font-size: 22px;
  line-height: 1;
  color: var(--ink);
}

.drawer-nav {
  margin-top: 16px;
}

.drawer-nav ul {
  display: flex;
  flex-direction: column;
}

.drawer-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 4px;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.drawer-nav a.is-current {
  color: var(--moss);
  font-weight: 600;
}

.page-layout {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 28px var(--shell-pad) 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  flex: 1 0 auto;
}

/* 侧栏在左：仅当 .sidebar-left 为布局容器自身时生效 */
.page-layout.sidebar-left {
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 40px;
}

.site-main {
  min-width: 0;
  max-width: 100%;
}

.inner-main {
  max-width: 820px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--moss);
}

.breadcrumb-sep {
  color: var(--line);
  font-size: 12px;
}

.breadcrumb-current {
  color: var(--ink);
}

.page-header {
  margin-bottom: 22px;
}

.page-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   layout · 侧栏
   -------------------------------------------------------------------------- */

.side-nav,
.site-sidebar,
.site-aside,
.sidebar {
  min-width: 0;
  font-size: 14px;
  align-self: start;
}

.side-nav-title,
.sidebar-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.sidebar-inner {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.tree,
.side-nav-list,
.tree-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tree-nav ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tree > li > a,
.side-nav-list > li > a,
.tree-list .tree-link,
.tree-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 10px 6px 12px;
  color: var(--ink);
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  line-height: 1.5;
}

.tree > li > a:hover,
.side-nav-list > li > a:hover,
.tree-link:hover,
.tree-nav a:hover {
  background: var(--wash);
  color: var(--moss);
  text-decoration: none;
}

.tree > li > a.is-current,
.side-nav-list > li > a.is-current,
.tree-link.is-current,
.tree-nav a.is-current {
  color: var(--moss);
  font-weight: 600;
  background: var(--wash);
  border-left-color: var(--moss);
}

.side-nav-sub,
.tree-sub {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 2px 0 6px 12px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.side-nav-sub a,
.tree-sub a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 4px 8px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.side-nav-sub a:hover,
.tree-sub a:hover {
  color: var(--moss);
  text-decoration: none;
}

.tree-group {
  margin: 0;
}

.tree-summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 10px 6px 12px;
  cursor: pointer;
  color: var(--ink);
  list-style: none;
  border-left: 3px solid transparent;
}

.tree-summary::-webkit-details-marker {
  display: none;
}

.tree-summary::after {
  content: "+";
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
}

.tree-group[open] .tree-summary::after {
  content: "−";
}

.tree-summary:hover {
  background: var(--wash);
  color: var(--moss);
}

/* --------------------------------------------------------------------------
   layout · 页脚
   -------------------------------------------------------------------------- */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: var(--wash);
}

.footer-inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 40px var(--shell-pad) 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-brand {
  min-width: 0;
}

.footer-brand-name {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.footer-slogan {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--moss);
}

.footer-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.footer-col {
  min-width: 0;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.footer-col-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  font-size: 14px;
  color: var(--muted);
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--moss);
}

.footer-bottom {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 var(--shell-pad) 32px;
}

.footer-bottom p {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   components · 通用
   -------------------------------------------------------------------------- */

.section-intro {
  margin: 0 0 20px;
  max-width: 38em;
  font-size: 15px;
  color: var(--muted);
}

.text-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--moss);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--moss);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.btn-primary {
  background: var(--moss);
  color: var(--paper);
  border-color: var(--moss);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--moss);
  color: var(--moss);
  text-decoration: none;
}

.media-figure {
  margin: 0 0 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
}

.media-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.media-figure figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--wash);
}

.caption-no,
.caption-num,
.figure-num,
.fig-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ochre);
}

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

/* 页面标题区（内页导语 + 页内信息） */
.page-head,
.page-title-block,
.page-hero {
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-lead,
.page-lede {
  margin: 0 0 16px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-meta {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.page-head .page-meta {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.page-head .page-meta p {
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ochre);
}

.page-meta dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ochre);
}

.page-meta dd {
  margin: 0 0 6px;
  color: var(--ink);
}

.page-meta-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-meta-row dt {
  flex: 0 0 auto;
}

.page-meta-row dd {
  margin: 0;
}

.page-meta dd a {
  margin-right: 10px;
}

/* 相关入口 / 页尾链接 */
.related-links,
.page-tail,
.page-tail-links,
.related-entry {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.related-links h2,
.page-tail h2,
.page-tail-links h2,
.related-entry h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.related-links ul,
.page-tail .tail-links,
.page-tail-links .tail-link-list,
.related-entry .entry-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.related-links a,
.page-tail .tail-links a,
.page-tail-links .tail-link-list a,
.related-entry .entry-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-links a:hover,
.page-tail .tail-links a:hover,
.page-tail-links .tail-link-list a:hover,
.related-entry .entry-links a:hover {
  border-color: var(--moss);
  color: var(--moss);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.home-main {
  min-width: 0;
}

/* 焦点陈列首屏 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.hero-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--wash);
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-caption {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--wash);
}

.hero-text {
  min-width: 0;
}

.hero-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ochre);
}

.hero-text h1 {
  margin: 0 0 14px;
  font-size: 34px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.hero-lead {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 起始信息条 */
.start-bar {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--wash);
}

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

.start-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 8px 18px;
  border-bottom: 1px solid var(--line);
}

.start-row:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.start-row:nth-last-child(-n + 2) {
  border-bottom: none;
}

.start-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ochre);
}

.start-row a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.start-row a:hover,
.start-row a:focus-visible {
  color: var(--moss);
}

/* 访客常遇到的四个问题 */
.visitor-questions {
  margin-top: 48px;
}

.visitor-questions h2,
.scope h2,
.exhibition h2,
.route h2,
.ledger-preview h2,
.faq-summary h2 {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 600;
}

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

.question-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 24px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.question-text {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.question-answer {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.question-answer a {
  font-weight: 500;
}

/* 覆盖与不覆盖 */
.scope {
  margin-top: 48px;
}

.scope-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 24px;
}

.scope-col {
  min-width: 0;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.scope-col h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.scope-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scope-col li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.scope-col li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--moss);
}

.scope-col-cover {
  background: var(--paper);
}

.scope-col-cover h3 {
  color: var(--moss);
}

.scope-col-boundary {
  background: var(--wash);
}

.scope-col-boundary h3 {
  color: var(--ochre);
}

.scope-col-boundary li::before {
  background: var(--ochre);
}

/* 展区目录 */
.exhibition {
  margin-top: 48px;
}

.exhibit-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.exhibit-card:hover {
  transform: translateY(-2px);
}

.exhibit-card-reverse .exhibit-figure {
  order: 2;
}

.exhibit-card-reverse .exhibit-body {
  order: 1;
}

.exhibit-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--wash);
}

.exhibit-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.exhibit-body {
  min-width: 0;
}

.exhibit-num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ochre);
}

.exhibit-body h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.exhibit-range {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.exhibit-points {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.exhibit-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.exhibit-points li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lake);
}

/* 四步路线 */
.route {
  margin-top: 48px;
}

.route-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 2px solid var(--line);
  margin-left: 12px;
  padding-left: 26px;
}

.route-step {
  position: relative;
  padding: 0 0 24px;
}

.route-step:last-child {
  padding-bottom: 0;
}

.route-num {
  position: absolute;
  top: 2px;
  left: -39px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
  background: var(--moss);
  border-radius: 50%;
}

.route-body {
  min-width: 0;
}

.route-body h3 {
  margin: 0 0 4px;
  font-size: 16px;
}

.route-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.route-body .text-link {
  margin-top: 6px;
}

/* 更新台账预览 */
.ledger-preview {
  margin-top: 48px;
}

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

.ledger-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1.5fr) minmax(0, 1fr) 76px;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.ledger-row:hover {
  transform: translateY(-2px);
  border-bottom-color: var(--moss);
}

.ledger-batch {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ochre);
}

.ledger-item {
  color: var(--ink);
}

.ledger-page,
.ledger-pages {
  color: var(--muted);
}

.ledger-status {
  justify-self: start;
  padding: 1px 8px;
  font-size: 12px;
  color: var(--ink);
  background: var(--wash);
  border: 1px solid var(--hay);
  border-radius: var(--radius);
}

/* 常见问答摘要 */
.faq-summary {
  margin-top: 48px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--moss);
}

.faq-item[open] summary::before {
  content: "−";
}

.faq-item[open] summary {
  color: var(--moss);
}

.faq-list > .faq-item > p {
  margin: 0;
  padding: 0 16px 16px 42px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   pages · 频道展廊
   -------------------------------------------------------------------------- */

.reading-order {
  margin-bottom: 40px;
}

.reading-order h2,
.channel-grid-section h2,
.channel-compare h2,
.channel-bridge h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.reading-order > p,
.channel-grid-section > p,
.channel-compare > p,
.channel-bridge > p {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 15px;
  color: var(--muted);
}

.order-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.order-item {
  display: flex;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.order-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ochre);
  padding-top: 3px;
}

.order-body {
  min-width: 0;
}

.order-body h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.order-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.channel-grid-section {
  margin-bottom: 40px;
}

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

.channel-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: transform 0.16s ease, border-color 0.16s ease;
}

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

.channel-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
}

.channel-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-ochre {
  background: var(--ochre);
}

.dot-lake {
  background: var(--lake);
}

.channel-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.channel-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.channel-scope {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.channel-rules {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 4px;
}

.channel-rules li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.channel-rules li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line);
}

.channel-card .text-link {
  margin-top: auto;
  align-self: flex-start;
}

.channel-compare {
  margin-bottom: 40px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  border: 1px solid var(--line);
}

.compare-table caption {
  caption-side: top;
  padding: 0 0 10px;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
}

.compare-table th,
.compare-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.compare-table thead th {
  background: var(--lake);
  color: var(--paper);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.compare-table tbody th {
  width: 22%;
  font-weight: 600;
  color: var(--ink);
  background: var(--wash);
}

.compare-table tbody td {
  color: var(--muted);
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.channel-bridge {
  margin-bottom: 8px;
}

.bridge-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.bridge-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--wash);
}

.bridge-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.bridge-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.bridge-item .text-link {
  margin-top: auto;
  align-self: flex-start;
}

/* --------------------------------------------------------------------------
   pages · 专题陈列
   -------------------------------------------------------------------------- */

.topic-current {
  margin-bottom: 40px;
}

.topic-current h2,
.topic-list h2,
.topic-cross h2,
.topic-paths h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.topic-current > p,
.topic-list > p,
.topic-paths > p {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 15px;
  color: var(--muted);
}

.numbered-notes {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--wash);
}

.numbered-notes li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.note-no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ochre);
  padding-top: 3px;
}

.topic-list {
  margin-bottom: 40px;
}

.topic-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.topic-item:last-child {
  border-bottom: 1px solid var(--line);
}

.topic-item-no {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--ochre);
}

.topic-item-body {
  min-width: 0;
}

.topic-item-body h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.topic-compose {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.topic-order {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
  counter-reset: topic-step;
}

.topic-order li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  counter-increment: topic-step;
}

.topic-order li::before {
  content: counter(topic-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--lake);
}

.topic-entry {
  margin: 0;
}

.topic-entry a {
  font-size: 14px;
  font-weight: 500;
}

.topic-cross {
  margin-bottom: 40px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lake);
  border-radius: var(--radius);
  background: var(--wash);
}

.topic-cross p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

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

.topic-paths {
  margin-bottom: 8px;
}

.path-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.path-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.path-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ochre);
}

.path-item a {
  font-weight: 500;
}

.path-item p {
  margin: 0;
  flex: 1 1 220px;
  min-width: 0;
}

/* --------------------------------------------------------------------------
   pages · 编选与核验
   -------------------------------------------------------------------------- */

.content-block {
  margin-bottom: 40px;
}

.content-block h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.content-block > p {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 15px;
  color: var(--muted);
}

.step-timeline {
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--line);
  margin-left: 12px;
  padding-left: 26px;
}

.step-item {
  position: relative;
  padding-bottom: 22px;
}

.step-item:last-child {
  padding-bottom: 0;
}

.step-index {
  position: absolute;
  top: 2px;
  left: -39px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
  background: var(--ochre);
  border-radius: 50%;
}

.step-body {
  min-width: 0;
}

.step-body h3 {
  margin: 0 0 4px;
  font-size: 16px;
}

.step-body p {
  margin: 0 0 4px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.step-note {
  padding-left: 12px;
  border-left: 2px solid var(--hay);
  color: var(--ink) !important;
  font-size: 13px !important;
}

.rule-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.rule-item {
  min-width: 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.rule-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--lake);
}

.rule-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.boundary-item {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr);
  gap: 20px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.boundary-item h3 {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
}

.boundary-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.block-tail {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.block-tail a {
  margin-right: 14px;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   pages · 观看条件
   -------------------------------------------------------------------------- */

.content-section {
  margin-bottom: 40px;
}

.content-section h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.content-section > p {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 15px;
  color: var(--muted);
}

.check-list,
.verify-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.check-list li,
.verify-list li {
  position: relative;
  padding: 16px 0 16px 44px;
  border-bottom: 1px solid var(--line);
}

.check-num,
.verify-num {
  position: absolute;
  top: 16px;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
  background: var(--lake);
  border-radius: 50%;
}

.check-list h3,
.verify-list h3 {
  margin: 0 0 4px;
  font-size: 16px;
}

.check-list p,
.verify-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.verify-fix {
  margin-top: 6px !important;
  padding-left: 12px;
  border-left: 2px solid var(--hay);
  color: var(--ink) !important;
}

.error-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.error-item {
  min-width: 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.error-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--ochre);
}

.error-item p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.error-item ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.error-item li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.error-item li::before {
  content: "→";
  position: absolute;
  left: 0;
  font-size: 12px;
  color: var(--moss);
}

.limit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.limit-list li {
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--hay);
  border-radius: var(--radius);
  background: var(--wash);
}

.limit-list h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.limit-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.related-section {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.related-section h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

/* --------------------------------------------------------------------------
   pages · 更新台账
   -------------------------------------------------------------------------- */

.ledger-intro {
  margin-bottom: 40px;
}

.ledger-intro h2,
.ledger-latest h2,
.ledger-recent h2,
.ledger-archive h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.ledger-intro > p,
.ledger-latest > p,
.ledger-recent > p,
.ledger-archive > p {
  margin: 0 0 16px;
  max-width: 38em;
  font-size: 15px;
  color: var(--muted);
}

.ledger-latest,
.ledger-recent,
.ledger-archive {
  margin-bottom: 40px;
}

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

.ledger-latest .ledger-row,
.ledger-recent .ledger-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1.4fr) minmax(0, 1fr) 84px;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  transition: transform 0.16s ease, border-bottom-color 0.16s ease;
}

.ledger-latest .ledger-row:hover,
.ledger-recent .ledger-row:hover {
  transform: translateY(-2px);
  border-bottom-color: var(--moss);
}

.ledger-latest .ledger-row p,
.ledger-recent .ledger-row p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.ledger-latest .ledger-batch,
.ledger-recent .ledger-batch {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ochre);
}

.ledger-latest .ledger-item,
.ledger-recent .ledger-item {
  color: var(--ink);
}

.ledger-latest .ledger-pages,
.ledger-recent .ledger-pages {
  color: var(--muted);
}

.ledger-latest .ledger-status,
.ledger-recent .ledger-status {
  justify-self: start;
  padding: 1px 8px;
  font-size: 12px;
  color: var(--ink);
  background: var(--wash);
  border: 1px solid var(--hay);
  border-radius: var(--radius);
}

.archive-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.archive-item {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lake);
  border-radius: var(--radius);
}

.archive-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.archive-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   pages · 常见问答
   -------------------------------------------------------------------------- */

.faq-group {
  margin-bottom: 40px;
}

.faq-group h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.faq-group .section-intro {
  margin-bottom: 16px;
}

.faq-group .faq-item + .faq-item {
  margin-top: 8px;
}

.faq-body {
  padding: 0 16px 16px 42px;
}

.faq-body p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

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

.faq-more a {
  font-weight: 500;
}

.faq-paths {
  margin-bottom: 8px;
}

.faq-paths h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.faq-paths .path-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.faq-paths .path-item {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.faq-paths .path-label {
  display: block;
  margin-bottom: 6px;
}

.faq-paths .path-item p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.faq-paths .path-item a {
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 56px var(--shell-pad) 72px;
}

.error-panel {
  max-width: 640px;
  padding: 32px 32px 36px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--moss);
  border-radius: var(--radius);
  background: var(--paper);
}

.error-code {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ochre);
}

.error-panel h1 {
  margin: 0 0 12px;
  font-size: 30px;
  font-weight: 600;
}

.error-lead {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.error-paths {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.error-paths a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-paths a:hover,
.error-paths a:focus-visible {
  border-color: var(--moss);
  color: var(--moss);
  text-decoration: none;
}

.error-action {
  margin: 0;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--paper);
  background: var(--moss);
  border: 1px solid var(--moss);
  border-radius: var(--radius);
}

.error-home-link:hover,
.error-home-link:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .page-layout.sidebar-left {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 28px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .footer-col {
    padding-left: 16px;
  }
}

@media (max-width: 960px) {
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .page-layout,
  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 22px;
  }

  .side-nav,
  .site-sidebar,
  .site-aside,
  .sidebar {
    order: 2;
    border-top: 1px solid var(--line);
    padding-top: 16px;
  }

  .sidebar-inner {
    border-left: none;
    padding-left: 0;
  }

  .site-main {
    order: 1;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .hero-text h1 {
    font-size: 28px;
  }

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

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

  .exhibit-card-reverse .exhibit-figure {
    order: 0;
  }

  .exhibit-card-reverse .exhibit-body {
    order: 0;
  }

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

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

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

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

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

  .footer-col {
    padding-left: 0;
    border-left: none;
  }
}

@media (max-width: 720px) {
  .question-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .ledger-row,
  .ledger-latest .ledger-row,
  .ledger-recent .ledger-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
  }

  .ledger-row .ledger-item,
  .ledger-latest .ledger-row .ledger-item,
  .ledger-recent .ledger-row .ledger-item {
    grid-column: 1 / -1;
  }

  .ledger-row .ledger-page,
  .ledger-row .ledger-pages,
  .ledger-latest .ledger-row .ledger-pages,
  .ledger-recent .ledger-row .ledger-pages {
    grid-column: 1;
  }

  .boundary-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .faq-paths .path-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .compare-table thead,
  .compare-table tbody,
  .compare-table tr,
  .compare-table th,
  .compare-table td {
    display: block;
    width: 100%;
  }

  .compare-table thead {
    display: none;
  }

  .compare-table tbody tr {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

  .compare-table tbody tr:last-child {
    border-bottom: none;
  }

  .compare-table tbody th {
    padding: 0 0 6px;
    background: transparent;
    font-size: 15px;
  }

  .compare-table tbody td {
    padding: 4px 0;
  }

  .compare-table tbody td::before {
    content: attr(data-th);
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--ochre);
  }
}

@media (max-width: 640px) {
  :root {
    --shell-pad: 16px;
  }

  .header-inner {
    gap: 16px;
  }

  .brand-name {
    font-size: 17px;
  }

  .page-title,
  .hero-text h1 {
    font-size: 26px;
  }

  .visitor-questions h2,
  .scope h2,
  .exhibition h2,
  .route h2,
  .ledger-preview h2,
  .faq-summary h2,
  .reading-order h2,
  .channel-grid-section h2,
  .channel-compare h2,
  .channel-bridge h2,
  .topic-current h2,
  .topic-list h2,
  .topic-cross h2,
  .topic-paths h2,
  .content-block h2,
  .content-section h2,
  .ledger-intro h2,
  .ledger-latest h2,
  .ledger-recent h2,
  .ledger-archive h2,
  .faq-group h2,
  .faq-paths h2 {
    font-size: 20px;
  }

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

  .start-row,
  .start-row:nth-child(odd) {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .start-row:last-child {
    border-bottom: none;
  }

  .start-row:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .start-row:last-child {
    border-bottom: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .topic-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .topic-item-no {
    font-size: 20px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 32px;
  }

  .error-panel {
    padding: 24px 20px 28px;
  }

  .error-panel h1 {
    font-size: 24px;
  }
}

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

  .exhibit-card:hover,
  .channel-card:hover,
  .ledger-row:hover,
  .ledger-latest .ledger-row:hover,
  .ledger-recent .ledger-row:hover {
    transform: none;
  }
}