body.teaching-course-page {
  font-family: var(--sans);
  color: var(--ink);
}

body.teaching-course-page *,
body.teaching-course-page *::before,
body.teaching-course-page *::after {
  box-sizing: border-box;
}

body.teaching-course-page a {
  color: inherit;
  text-decoration: none;
}

body.teaching-course-page .course-topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 243, 0.86);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 18px rgba(49, 38, 25, 0.03);
  backdrop-filter: blur(14px);
}

body.teaching-course-page .course-topnav__inner {
  max-width: 56rem;
  margin: 0 auto;
  height: 3rem;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 0.84rem;
}

body.teaching-course-page .course-topnav a {
  color: var(--ink-soft);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.18s ease;
}

body.teaching-course-page .course-topnav a:hover {
  color: var(--accent);
}

body.teaching-course-page .course-topnav__brand {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink) !important;
}

body.teaching-course-page .course-shell {
  max-width: 56rem;
  margin: 0 auto;
  padding: 2.4rem 1rem 2rem;
  position: relative;
  z-index: 1;
}

body.teaching-course-page .course-breadcrumb {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  display: inline-block;
  margin-bottom: 1.25rem;
  transition: color 0.18s ease;
}

body.teaching-course-page .course-breadcrumb:hover {
  color: var(--accent);
}

body.teaching-course-page .course-header {
  margin-bottom: 2rem;
}

body.teaching-course-page .course-kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

body.teaching-course-page h1.course-title {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4.6vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.02;
  font-variation-settings: 'opsz' 120, 'SOFT' 30;
  color: var(--ink);
  margin: 0 0 0.85rem 0;
}

body.teaching-course-page .course-subtitle {
  font-family: var(--sans);
  font-size: 0.96rem;
  color: var(--muted);
  letter-spacing: 0.01em;
  margin: 0 0 1.1rem 0;
}

body.teaching-course-page .course-lead {
  font-family: var(--serif);
  font-size: clamp(1.04rem, 1.3vw, 1.14rem);
  line-height: 1.66;
  color: var(--ink-soft);
  font-variation-settings: 'opsz' 18;
  max-width: 42rem;
  margin: 0;
}

body.teaching-course-page .course-hero {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 1.3rem;
  align-items: start;
  margin-bottom: 2rem;
}

body.teaching-course-page .course-hero-main {
  min-width: 0;
}

body.teaching-course-page .course-hero-main .course-header {
  margin-bottom: 0;
}

body.teaching-course-page .course-hero-side {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  padding: 1.05rem 1.15rem;
}

body.teaching-course-page .course-hero-side h2 {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.7rem 0;
}

body.teaching-course-page .course-hero-side p {
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 0.55rem 0;
}

body.teaching-course-page .course-hero-side p:last-child {
  margin-bottom: 0;
}

body.teaching-course-page .course-hero-side ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

body.teaching-course-page .course-hero-side ul li {
  font-family: var(--sans);
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.5;
  padding: 0.38rem 0;
}

body.teaching-course-page .course-hero-side ul li + li {
  border-top: 1px dashed var(--line);
}

body.teaching-course-page .course-hero-side dl {
  margin: 0;
}

body.teaching-course-page .course-hero-side dl > div {
  padding: 0.5rem 0;
}

body.teaching-course-page .course-hero-side dl > div + div {
  border-top: 1px dashed var(--line);
}

body.teaching-course-page .course-hero-side dt {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

body.teaching-course-page .course-hero-side dd {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}

body.teaching-course-page .course-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

body.teaching-course-page .course-chip {
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--tag-bg);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  letter-spacing: 0.01em;
}

body.teaching-course-page .course-section {
  margin-bottom: 2rem;
}

body.teaching-course-page .course-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.55rem;
  margin-bottom: 1rem;
}

body.teaching-course-page .course-section-head h2 {
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

body.teaching-course-page .course-section-meta {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin: 0;
}

body.teaching-course-page .course-card-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

body.teaching-course-page .course-card-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body.teaching-course-page .course-card-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body.teaching-course-page .course-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
}

body.teaching-course-page .course-card-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

body.teaching-course-page .course-card-icon {
  width: 2.4rem;
  height: 2.4rem;
  flex-shrink: 0;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body.teaching-course-page .course-card-icon i {
  font-size: 1.1rem;
  line-height: 1;
}

body.teaching-course-page .course-card-heading {
  min-width: 0;
  flex: 1;
}

body.teaching-course-page .course-card-label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.15rem 0;
}

body.teaching-course-page .course-card-title {
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.18;
  color: var(--ink);
  margin: 0;
}

body.teaching-course-page .course-card-desc {
  font-family: var(--sans);
  font-size: 0.87rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 0.65rem 0;
}

body.teaching-course-page .course-card-desc:last-child {
  margin-bottom: 0;
}

body.teaching-course-page .course-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

body.teaching-course-page .course-card-list li {
  font-family: var(--sans);
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.5;
  padding-left: 0.95rem;
  position: relative;
}

body.teaching-course-page .course-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.35rem;
  height: 1px;
  background: var(--accent-line);
}

body.teaching-course-page .course-card-list li + li {
  margin-top: 0.32rem;
}

body.teaching-course-page .course-session-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

body.teaching-course-page .course-session-list > li {
  padding: 0.55rem 0;
  border-top: 1px dashed var(--line);
}

body.teaching-course-page .course-session-list > li:first-child {
  padding-top: 0;
  border-top: none;
}

body.teaching-course-page .course-session-title {
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.2rem 0;
  line-height: 1.4;
}

body.teaching-course-page .course-session-meta {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

body.teaching-course-page .course-topics-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  padding: 1.1rem 1.3rem;
}

body.teaching-course-page .course-topics-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

body.teaching-course-page .course-topics-list li {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.45;
  padding: 0.5rem 0 0.5rem 1.4rem;
  position: relative;
  font-variation-settings: 'opsz' 18;
}

body.teaching-course-page .course-topics-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.9rem;
  width: 0.7rem;
  height: 1px;
  background: var(--accent);
}

body.teaching-course-page .course-topics-list li + li {
  border-top: 1px dashed var(--line);
}

body.teaching-course-page .course-notes {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  padding: 1.1rem 1.25rem;
}

body.teaching-course-page .course-notes h3 {
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.01em;
}

body.teaching-course-page .course-notes p {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 0.85rem 0;
}

body.teaching-course-page .course-notes p:last-child {
  margin-bottom: 0;
}

body.teaching-course-page .course-actions {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}

body.teaching-course-page .course-action {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.44rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  background: transparent;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

body.teaching-course-page .course-action:hover {
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

body.teaching-course-page .course-action--solid {
  color: var(--surface-strong);
  background: var(--accent);
  border-color: var(--accent);
}

body.teaching-course-page .course-action--solid:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: var(--surface-strong);
}

body.teaching-course-page .course-action .fa-arrow-up-right-from-square {
  font-size: 0.68rem;
  opacity: 0.7;
}

body.teaching-course-page .course-entry {
  display: flex;
  gap: 0.95rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

body.teaching-course-page .course-entry:first-child {
  border-top: none;
  padding-top: 0.2rem;
}

body.teaching-course-page .course-entry-icon {
  width: 2.4rem;
  height: 2.4rem;
  flex-shrink: 0;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body.teaching-course-page .course-entry-icon i {
  font-size: 1.05rem;
  line-height: 1;
}

body.teaching-course-page .course-entry-body {
  min-width: 0;
  flex: 1;
}

body.teaching-course-page .course-entry-title {
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.18rem 0;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

body.teaching-course-page .course-entry-code {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-left: 0.3rem;
}

body.teaching-course-page .course-entry-meta {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin: 0 0 0.35rem 0;
}

body.teaching-course-page .course-entry-meta .course-entry-role {
  color: var(--muted);
  font-weight: 500;
}

body.teaching-course-page .course-entry-desc {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.58;
  margin: 0;
}

body.teaching-course-page .course-reading {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  padding: 0.95rem 1.15rem;
}

body.teaching-course-page .course-reading + .course-reading {
  margin-top: 0.65rem;
}

body.teaching-course-page .course-reading-title {
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.55rem 0;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

body.teaching-course-page .course-reading-title i {
  color: var(--accent);
  font-size: 0.9rem;
}

body.teaching-course-page .course-reading-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

body.teaching-course-page .course-reading-list li {
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.55;
  padding: 0.25rem 0;
}

body.teaching-course-page .course-reading-list em {
  font-style: italic;
  color: var(--ink);
}

body.teaching-course-page .course-footer {
  max-width: 56rem;
  margin: 0 auto;
  padding: 1.6rem 1rem 2.4rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.01em;
}

@media (max-width: 900px) {
  body.teaching-course-page .course-hero {
    grid-template-columns: 1fr;
  }
  body.teaching-course-page .course-card-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body.teaching-course-page .course-shell {
    padding: 1.8rem 1rem 1.6rem;
  }
  body.teaching-course-page .course-card-grid,
  body.teaching-course-page .course-card-grid--2,
  body.teaching-course-page .course-card-grid--3 {
    grid-template-columns: 1fr;
  }
  body.teaching-course-page .course-section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  body.teaching-course-page .course-entry {
    gap: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.teaching-course-page *,
  body.teaching-course-page *::before,
  body.teaching-course-page *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}
</content>
</invoke>