:root {
  --bg: #faf6ef;
  --bg-card: #ffffff;
  --ink: #1a1814;
  --ink-soft: #4a453d;
  --ink-mute: #8b8478;
  --rule: #e7dfd0;
  --gold: #b88a3e;
  --gold-deep: #7a5824;
  --amber-bg: #fdf4e1;
  --serif: 'Songti SC', 'STSong', 'Noto Serif SC', 'Source Han Serif SC', Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse at top, rgba(184, 138, 62, 0.04), transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(184, 138, 62, 0.03), transparent 50%);
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
}

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

/* ========= SITE HEADER ========= */
.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 20px 0;
  background: rgba(250, 246, 239, 0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.brand .brand-mark {
  color: var(--gold-deep);
  font-style: italic;
  margin-right: 4px;
}

.brand-notice {
  font-size: 11px;
  line-height: 1.5;
  color: var(--ink-mute);
}


.site-nav {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.site-nav-home,
.site-nav-trigger {
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  background: transparent;
  padding: 10px 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.site-nav-home {
  display: inline-flex;
  align-items: center;
}

.site-nav-home:hover,
.site-nav-trigger:hover {
  color: var(--gold-deep);
}

.site-nav-home.current {
  color: var(--ink);
  border-bottom: 1px solid var(--gold);
}

.site-nav-dropdown {
  position: relative;
}

.site-nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: inherit;
}

.site-nav-trigger::after {
  content: '▾';
  font-size: 10px;
  color: var(--ink-mute);
  transition: transform 0.2s ease;
}

.site-nav-dropdown.is-open .site-nav-trigger::after {
  transform: rotate(180deg);
}

.site-nav-trigger-label {
  color: var(--ink);
  letter-spacing: 0.12em;
}

.site-nav-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 280px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--rule);
  box-shadow: 0 18px 36px rgba(26, 24, 20, 0.08);
  padding: 12px;
  display: none;
  z-index: 20;
}

.site-nav-menu[hidden] {
  display: none !important;
}

.site-nav-dropdown.is-open .site-nav-menu {
  display: block;
}

.site-nav-menu-item {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 10px 12px;
  border-radius: 2px;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav-menu-item:hover {
  background: var(--amber-bg);
}

.site-nav-menu-item.current {
  background: var(--amber-bg);
}

.site-nav-menu-num {
  flex-shrink: 0;
  min-width: 42px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.site-nav-menu-text {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.45;
}

.site-nav-menu-item.current .site-nav-menu-text {
  color: var(--ink);
}

/* ========= OVERVIEW SLIDES ========= */
.slide-deck {
  padding: 40px 0 56px;
}

.slide-deck-head {
  text-align: center;
  margin-bottom: 28px;
}

.slide-deck-title {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--ink);
  margin-bottom: 6px;
}

.slide-deck-sub {
  color: var(--ink-mute);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.slide-deck-intro {
  max-width: 780px;
  margin: 0 auto 48px;
  padding: 20px 24px;
  background: rgba(255, 250, 239, 0.78);
  border: 1px solid rgba(184, 138, 62, 0.18);
  border-radius: 20px;
  box-shadow: 0 16px 36px rgba(62, 45, 24, 0.08);
  text-align: center;
}

.slide-deck-intro p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
  text-align: center;
}

.slide-deck-intro p + p {
  margin-top: 8px;
}

.slide-stack {
  display: grid;
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}

.slide-frame {
  margin: 0;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(184, 138, 62, 0.18);
  box-shadow: 0 24px 50px rgba(26, 24, 20, 0.08);
  overflow: hidden;
}

.slide-frame a {
  display: block;
}

.slide-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* ========= HERO ========= */
.hero {
  padding: 100px 0 70px;
  text-align: center;
  border-bottom: 1px solid var(--rule);
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 28px;
  font-weight: 500;
}

.hero-title {
  font-family: var(--serif);
  font-size: 60px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: 28px;
}

.hero-title .accent {
  color: var(--gold-deep);
  font-style: italic;
}

.hero-sub {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 580px;
  margin: 0 auto 44px;
  line-height: 1.85;
}

.hero-meta {
  display: inline-flex;
  gap: 40px;
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}

.hero-meta span strong {
  display: block;
  color: var(--ink);
  font-weight: 500;
  font-size: 14px;
  margin-top: 4px;
  letter-spacing: 0.03em;
}

.ornament {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 36px auto 0;
  position: relative;
}
.ornament::before, .ornament::after {
  content: '';
  position: absolute;
  top: -2px;
  width: 5px;
  height: 5px;
  background: var(--gold);
  border-radius: 50%;
}
.ornament::before { left: -10px; }
.ornament::after { right: -10px; }

/* ========= WORK SHOWCASE ========= */
.work-showcase {
  padding: 58px 0 64px;
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.46), rgba(253, 244, 225, 0.42));
}

.work-showcase-head {
  max-width: 720px;
  margin: 0 auto 30px;
  text-align: center;
}

.work-showcase-eyebrow {
  color: var(--gold-deep);
  font-size: 12px;
  letter-spacing: 0.34em;
  margin-bottom: 14px;
}

.work-showcase-title {
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1.35;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 14px;
}

.work-showcase-sub {
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.9;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.work-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(184, 138, 62, 0.24);
  padding: 24px 26px;
}

.work-author {
  color: var(--gold-deep);
  font-size: 12px;
  letter-spacing: 0.2em;
  margin-bottom: 10px;
}

.work-title {
  font-family: var(--serif);
  color: var(--ink);
  font-size: 22px;
  line-height: 1.45;
  font-weight: 400;
  min-height: 64px;
}

.work-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

.work-links a {
  color: var(--gold-deep);
  font-size: 14px;
  font-family: var(--serif);
  font-style: italic;
}

.work-links a:hover {
  color: var(--ink);
}

.work-more {
  text-align: center;
  margin-top: 28px;
  color: var(--ink-mute);
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
}

/* ========= INTRO ========= */
.intro {
  padding: 70px 0;
  border-bottom: 1px solid var(--rule);
}

.intro-text {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.95;
  color: var(--ink-soft);
  text-align: justify;
  text-indent: 2em;
}
.intro-text + .intro-text { margin-top: 1.2em; }

/* ========= TOC (in-page theme nav) ========= */
.toc { padding: 60px 0; border-bottom: 1px solid var(--rule); }
.toc-label {
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 32px;
  text-align: center;
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--rule);
  background: var(--bg-card);
}

.toc-item {
  padding: 24px 28px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  transition: background 0.3s ease;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.toc-item:nth-child(2n) { border-right: none; }
.toc-item:nth-last-child(-n+2) { border-bottom: none; }
.toc-item:hover { background: var(--amber-bg); }

.toc-num {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold);
  font-size: 22px;
  flex-shrink: 0;
}

.toc-title-text { font-size: 15px; line-height: 1.4; font-weight: 500; }
.toc-title-text .toc-sub { color: var(--ink-mute); font-size: 13px; display: block; }

/* ========= THEMES ========= */
.themes { padding: 90px 0 50px; }

.theme { margin-bottom: 90px; scroll-margin-top: 100px; }

.theme-header { margin-bottom: 32px; }

.theme-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--gold-deep);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.theme-title {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 400;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.theme-divider {
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin: 26px 0 32px;
}

.theme-section-label {
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin: 36px 0 16px;
  font-weight: 600;
}

.theme-body p {
  font-size: 16.5px;
  line-height: 1.95;
  color: var(--ink-soft);
  margin-bottom: 1em;
}

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

.theme-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14.5px;
}
.theme-body th, .theme-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}
.theme-body th {
  background: var(--amber-bg);
  color: var(--gold-deep);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* pull quote */
.quote {
  margin: 24px 0;
  padding: 28px 36px;
  background: var(--bg-card);
  border-left: 3px solid var(--gold);
  position: relative;
  font-family: var(--serif);
}

.quote::before {
  content: '\201C';
  position: absolute;
  top: 8px;
  left: 16px;
  font-size: 56px;
  color: var(--gold);
  opacity: 0.25;
  font-family: Georgia, serif;
  line-height: 1;
}

.quote-text {
  font-size: 19px;
  line-height: 1.75;
  color: var(--ink);
  font-style: italic;
  padding-left: 24px;
}

.quote-list { margin: 28px 0; }
.quote-list .quote { margin: 12px 0; }

/* ========= STORY HIGHLIGHT ========= */
.story-card {
  background: linear-gradient(135deg, #fff8e9 0%, #ffffff 100%);
  border: 1px solid var(--rule);
  padding: 36px 40px;
  margin: 32px 0;
}

.story-card-label {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--gold-deep);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.story-card-title {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 14px;
  line-height: 1.4;
}

.story-card p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin: 0;
}

.story-card + .story-card { margin-top: 16px; }

/* ========= COMPARISON ========= */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 24px 0;
  border: 1px solid var(--rule);
}

.compare-side { padding: 24px 28px; background: var(--bg-card); }

.compare-side + .compare-side {
  border-left: 1px solid var(--rule);
  background: var(--amber-bg);
}

.compare-tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 12px;
}

.compare-side + .compare-side .compare-tag { color: var(--gold-deep); }

.compare-formula {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
}

/* ========= Q&A ========= */
.qa-section {
  padding: 80px 0;
  border-top: 1px solid var(--rule);
}

.qa-title {
  font-family: var(--serif);
  font-size: 32px;
  text-align: center;
  margin-bottom: 8px;
}

.qa-sub {
  text-align: center;
  color: var(--ink-mute);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 48px;
}

.qa-list { border-top: 1px solid var(--rule); }

.qa-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}

.qa-q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}

.qa-marker {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold);
  font-size: 19px;
  flex-shrink: 0;
  width: 24px;
}

.qa-question {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
  line-height: 1.55;
  font-weight: 500;
}

.qa-asker {
  display: inline-block;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-mute);
  font-style: normal;
  font-weight: 400;
  margin-left: 8px;
  letter-spacing: 0.05em;
}

.qa-a {
  margin-left: 38px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.qa-a .qa-marker { color: var(--ink-mute); }

.qa-answer {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ========= FACTS ========= */
.facts { padding: 80px 0 100px; border-top: 1px solid var(--rule); }
.facts-title { font-family: var(--serif); font-size: 28px; text-align: center; margin-bottom: 8px; }
.facts-sub {
  text-align: center;
  color: var(--ink-mute);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 44px;
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.fact { background: var(--bg-card); padding: 26px 22px; text-align: center; }

.fact-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.fact-value { font-family: var(--serif); font-size: 19px; color: var(--ink); line-height: 1.4; }

.fact-value .small {
  font-size: 13px;
  color: var(--ink-soft);
  display: block;
  font-family: var(--sans);
  font-style: normal;
  margin-top: 4px;
}

/* ========= TIMELINE ========= */
.timeline {
  margin: 24px 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--rule);
}

.timeline li {
  padding: 14px 0 14px 28px;
  position: relative;
}

.timeline li::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 22px;
  width: 12px;
  height: 12px;
  background: var(--bg);
  border: 2px solid var(--gold);
  border-radius: 50%;
}

.timeline .tl-date {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold-deep);
  font-size: 14px;
  display: block;
  letter-spacing: 0.05em;
}

.timeline .tl-text {
  font-size: 15.5px;
  color: var(--ink-soft);
  margin-top: 4px;
  line-height: 1.7;
}

/* ========= SESSION NAVIGATOR (cross-page) ========= */
.session-nav {
  padding: 80px 0;
  border-top: 1px solid var(--rule);
  background: linear-gradient(to bottom, transparent, rgba(184, 138, 62, 0.03));
}

.session-nav-title {
  font-family: var(--serif);
  font-size: 28px;
  text-align: center;
  margin-bottom: 8px;
}

.session-nav-sub {
  text-align: center;
  color: var(--ink-mute);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 48px;
}

.session-groups {
  display: grid;
  gap: 20px;
  max-width: 980px;
  margin: 0 auto;
}

.session-group {
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.82);
}

.session-group.current-group {
  border-color: rgba(184, 138, 62, 0.42);
}

.session-group-summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 28px;
  cursor: pointer;
}

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

.session-group-title {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 6px;
}

.session-group-sub {
  display: block;
  color: var(--ink-mute);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.session-group-meta {
  color: var(--gold-deep);
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.session-group-summary::after {
  content: '展开';
  color: var(--ink-mute);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.session-group[open] .session-group-summary::after {
  content: '收起';
}

.session-group-panel {
  padding: 0 24px 24px;
}

.sessions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.session-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 32px 36px;
  display: block;
  transition: all 0.3s ease;
  position: relative;
  color: inherit;
}

.session-card:hover {
  border-color: var(--gold);
  background: linear-gradient(135deg, #fff8e9 0%, #ffffff 70%);
  transform: translateY(-2px);
}

.session-card.current {
  background: var(--amber-bg);
  border-color: var(--gold);
}

.session-card.current::after {
  content: '当前所在';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
  font-style: italic;
  font-family: var(--serif);
}

.session-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}

.session-num {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold-deep);
  font-size: 17px;
  letter-spacing: 0.05em;
}

.session-card-title {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 14px;
}

.session-summary {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.session-cta {
  margin-top: 18px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--gold-deep);
  letter-spacing: 0.05em;
}

.session-card:hover .session-cta { color: var(--ink); }
.session-card.current .session-cta { display: none; }

.session-future {
  background: transparent;
  border: 1px dashed var(--rule);
  text-align: center;
  padding: 28px;
  color: var(--ink-mute);
  font-family: var(--serif);
  font-style: italic;
}

/* ========= RESOURCE LINKS ========= */
.resource-section {
  padding: 0 0 40px;
}

.resource-card {
  max-width: 980px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255, 251, 243, 0.95), rgba(255, 255, 255, 0.96));
  border: 1px solid rgba(184, 138, 62, 0.24);
  padding: 34px 38px;
}

.resource-eyebrow {
  color: var(--gold-deep);
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.resource-title {
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 10px;
}

.resource-meta {
  color: var(--ink-mute);
  font-size: 14px;
  margin-bottom: 24px;
}

.resource-list {
  display: grid;
  gap: 14px;
}

.resource-item {
  display: block;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--rule);
}

.resource-line {
  display: block;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
  word-break: break-all;
}

.resource-label {
  color: var(--ink);
  font-weight: 600;
}

.resource-sep {
  color: var(--ink-mute);
}

.resource-link,
.resource-text {
  color: var(--gold-deep);
  font-size: 15px;
}

.resource-link:hover {
  color: var(--ink);
}

/* ========= FOOTER ========= */
.footer {
  padding: 56px 0 80px;
  text-align: center;
  border-top: 1px solid var(--rule);
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.8;
}

.footer-mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--gold-deep);
  margin-bottom: 14px;
}

.footer a { color: var(--gold-deep); }
.footer a:hover { color: var(--ink); }

/* ========= responsive ========= */
@media (max-width: 720px) {
  .container { padding: 0 24px; }
  .site-header-inner { flex-direction: column; gap: 12px; align-items: stretch; }
  .brand { font-size: 22px; }
  .brand-notice { font-size: 10px; }
  .brand-group { align-items: center; }
  .site-nav { gap: 12px; justify-content: flex-start; }
  .site-nav-dropdown { width: 100%; }
  .site-nav-home,
  .site-nav-trigger {
    width: 100%;
    justify-content: space-between;
    padding-left: 0;
    padding-right: 0;
  }
  .site-nav-menu {
    position: static;
    min-width: 0;
    margin-top: 8px;
  }
  .slide-deck {
    padding-top: 24px;
  }
  .slide-deck-title {
    font-size: 24px;
  }
  .slide-deck-intro {
    padding: 16px 16px;
    border-radius: 16px;
  }
  .slide-deck-intro p {
    font-size: 15px;
    line-height: 1.7;
  }
  .hero { padding: 70px 0 50px; }
  .hero-title { font-size: 38px; }
  .hero-meta { flex-direction: column; gap: 14px; text-align: left; }
  .work-showcase-title { font-size: 28px; }
  .work-grid { grid-template-columns: 1fr; }
  .work-title { min-height: 0; }
  .toc-grid { grid-template-columns: 1fr; }
  .toc-item { border-right: none !important; }
  .compare { grid-template-columns: 1fr; }
  .compare-side + .compare-side { border-left: none; border-top: 1px solid var(--rule); }
  .facts-grid { grid-template-columns: 1fr; }
  .theme-title { font-size: 28px; }
  .quote { padding: 24px 28px; }
  .quote-text { font-size: 17px; padding-left: 16px; }
  .intro-text { font-size: 17px; }
  .session-group-summary {
    padding: 20px 22px;
    align-items: flex-start;
  }
  .session-group-meta {
    white-space: normal;
    text-align: right;
  }
  .session-group-panel {
    padding: 0 18px 18px;
  }
  .session-card { padding: 28px 24px; }
  .session-card-title { font-size: 20px; }
  .session-card.current::after { position: static; display: block; margin-bottom: 8px; }
  .resource-card {
    padding: 28px 24px;
  }
  .resource-title {
    font-size: 24px;
  }
  .qa-a { margin-left: 0; }
}