.course-overview-page,
.course-lesson-page {
  background: var(--color-bg);
}

.course-overview-page .site-header,
.course-lesson-page .site-header {
  top: 0;
}

.course-overview-hero {
  padding: 72px 0 52px;
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(180deg, rgba(250, 247, 242, 0.92), #fff 78%),
    radial-gradient(circle at 88% 10%, rgba(154, 79, 47, 0.09), transparent 34%);
}

.course-overview-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 44px;
  align-items: center;
}

.course-overview-hero h1 {
  margin-bottom: 22px;
}

.course-overview-panel,
.course-note-panel {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-card);
}

.course-overview-panel {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.course-overview-panel p,
.course-note-panel p {
  margin: 0;
}

.course-fact {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.course-fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.course-fact strong {
  display: block;
  margin-bottom: 4px;
}

.course-syllabus {
  padding-top: 72px;
}

.course-module-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(170px, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.course-module-card {
  display: flex;
  min-height: 244px;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--color-border);
  background: #fff;
  color: inherit;
  padding: 22px;
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.course-module-card:hover,
.course-module-card:focus-visible {
  border-color: rgba(154, 79, 47, 0.48);
  box-shadow: var(--shadow-soft);
  transform: translateY(-3px);
  outline: 0;
}

.course-module-card h3 {
  margin-bottom: 10px;
}

.course-module-card p {
  color: var(--color-muted);
}

.course-module-card span {
  margin-top: 22px;
  color: var(--color-primary);
  font-weight: 800;
}

.course-note-panel {
  padding: 30px;
}

.progress {
  top: 0 !important;
  z-index: 140 !important;
  height: 3px !important;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success)) !important;
}

.course-lesson-page {
  --paper: #fff;
  --ink: var(--color-text);
  --ink-soft: #3f3a4d;
  --muted: var(--color-muted);
  --line: var(--color-border);
  --line-2: #ded1c4;
  --bg-1: var(--color-soft);
  --bg-2: #fff;
  --blue: var(--color-primary);
  --blue-soft: var(--color-soft-strong);
  --blue-bd: var(--color-border);
  --green: var(--color-success);
  --green-soft: #e8f4ef;
  --green-bd: #cce6dc;
  --orange: var(--color-warning);
  --orange-soft: #f8ead8;
  --orange-bd: #ead0ad;
  --amber: var(--color-info);
  --amber-soft: #e9f0f5;
  --amber-bd: #ccd9e3;
  --red: var(--color-error);
  --red-soft: #fae8e6;
  --red-bd: #e7c0bb;
  --gold: var(--color-primary);
  --marker: #f0dfcf;
  --shadow-sm: var(--shadow-card);
  --shadow-md: var(--shadow-card);
  --shadow-lg: var(--shadow-soft);
  --r: 12px;
  --r-sm: 8px;
  color: var(--color-text);
  background: #fff;
  font-family: var(--font-body);
}

.course-lesson-page body,
.course-lesson-page {
  background: #fff !important;
}

.course-lesson-bar {
  position: sticky;
  top: var(--header-height);
  z-index: 80;
  border-bottom: 1px solid rgba(232, 222, 212, 0.92);
  background: rgba(250, 247, 242, 0.94);
  backdrop-filter: blur(14px);
}

.lesson-bar-inner {
  width: min(100% - 32px, 1240px);
  min-height: 68px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto minmax(190px, 270px) minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.lesson-back,
.lesson-step-links a {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.lesson-back:hover,
.lesson-step-links a:hover {
  text-decoration: underline;
}

.lesson-meta span {
  display: block;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 750;
  line-height: 1.25;
}

.lesson-meta strong {
  display: block;
  color: var(--color-text);
  font-size: 0.98rem;
  line-height: 1.25;
}

.lesson-section-nav {
  display: flex;
  gap: 6px;
  align-items: center;
  overflow-x: auto;
  padding: 10px 0;
  scrollbar-width: thin;
}

.lesson-section-nav a {
  flex: none;
  border: 1px solid transparent;
  color: var(--color-muted);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.82rem;
  font-weight: 760;
  text-decoration: none;
}

.lesson-section-nav a:hover,
.lesson-section-nav a.active {
  border-color: var(--color-border);
  background: #fff;
  color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.lesson-step-links {
  display: flex;
  gap: 14px;
  align-items: center;
  white-space: nowrap;
}

.course-content {
  background:
    linear-gradient(180deg, rgba(250, 247, 242, 0.72), #fff 260px),
    #fff;
}

.course-content .wrap {
  width: min(100% - 32px, var(--container));
  padding: 34px 0 82px;
}

.course-content .hero {
  gap: 22px;
}

.course-content .hero-card,
.course-content .mini-fact,
.course-content .block,
.course-content .card,
.course-content .scope-panel,
.course-content .router-panel,
.course-content .sel-panel,
.course-content .map-result,
.course-content .dial-card,
.course-content .cert-wrap,
.course-content .review .rev-item {
  border-color: var(--color-border) !important;
  border-radius: 8px !important;
  background: rgba(255, 255, 255, 0.94) !important;
  box-shadow: var(--shadow-card) !important;
}

.course-content .hero-card {
  padding: clamp(28px, 4vw, 48px);
}

.course-content .hero-card::before,
.course-content .hero-card::after {
  display: none;
}

.course-content h1,
.course-content h2.title,
.course-content h2 {
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.055em;
}

.course-content h1 {
  font-size: clamp(3rem, 7vw, 5.8rem);
}

.course-content h2.title,
.course-content h2 {
  font-size: clamp(2rem, 4.2vw, 3.65rem);
}

.course-content h3,
.course-content h4,
.course-content p,
.course-content input,
.course-content textarea,
.course-content select,
.course-content button {
  font-family: var(--font-body);
}

.course-content .hero-lede,
.course-content .sub,
.course-content .lede,
.course-content .muted,
.course-content .card p,
.course-content .mini-fact .mf-lab {
  color: var(--color-muted);
}

.course-content .eyebrow,
.course-content .kicker,
.course-content .q-type,
.course-content .part-tag,
.course-content .sp-kick {
  border-color: var(--color-border) !important;
  background: var(--color-soft) !important;
  color: var(--color-primary) !important;
  letter-spacing: 0.08em;
}

.course-content .hl {
  background: linear-gradient(transparent 64%, #ead8c7 64%);
}

.course-content .cta,
.course-content .btn-light.solid,
.course-content .btn-light.go {
  border-color: var(--color-primary) !important;
  background: var(--color-primary) !important;
  color: #fff !important;
  box-shadow: 0 12px 24px rgba(154, 79, 47, 0.18) !important;
}

.course-content .cta:hover,
.course-content .btn-light.solid:hover,
.course-content .btn-light.go:hover {
  background: var(--color-primary-dark) !important;
  box-shadow: 0 14px 30px rgba(154, 79, 47, 0.22) !important;
}

.course-content .btn,
.course-content .btn-light,
.course-content .opt,
.course-content .qopt,
.course-content .gbtn,
.course-content .dbtn,
.course-content .fchip,
.course-content .wk-step {
  border-radius: 999px;
}

.course-content .block {
  scroll-margin-top: calc(var(--header-height) + 92px);
}

.course-content .block-head {
  background: linear-gradient(180deg, #fff, rgba(250, 247, 242, 0.72));
}

.course-content .step-no,
.course-content .card .c-ico,
.course-content .ins-item .ii,
.course-content .wf-scenario .ws-ic {
  border-radius: 8px;
  background: var(--color-soft-strong) !important;
  color: var(--color-primary) !important;
}

.course-content .chip,
.course-content .pill,
.course-content .status-badge,
.course-content .tok,
.course-content .wnode,
.course-content .tag,
.course-content .gc-cat,
.course-content .uc-tag {
  border-radius: 999px;
}

.course-content .note,
.course-content .note.warn {
  border-color: var(--color-border) !important;
  background: var(--color-soft) !important;
  color: var(--color-text) !important;
}

.course-content .note b {
  color: var(--color-primary) !important;
}

.course-content .pred-stage {
  border: 1px solid var(--color-border);
  background: var(--color-text) !important;
  color: #fff;
}

.course-content textarea.io,
.course-content input,
.course-content select,
.course-content .search-wrap,
.course-content .ctx-window,
.course-content .router-stage,
.course-content .map-box {
  border-color: var(--color-border) !important;
  background-color: #fffdfc !important;
}

.course-content input:focus,
.course-content textarea:focus,
.course-content select:focus {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 4px rgba(154, 79, 47, 0.12) !important;
}

.course-content .active,
.course-content .selected,
.course-content .solid {
  border-color: var(--color-primary) !important;
}

.course-module-bottom {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.course-module-bottom a {
  color: var(--color-primary);
  font-weight: 800;
  text-decoration: none;
}

.course-module-bottom a:hover {
  text-decoration: underline;
}

.course-lesson-page .site-footer h3,
.course-lesson-page .site-footer p,
.course-lesson-page .site-footer a {
  font-family: var(--font-body);
}

@media (max-width: 1180px) {
  .course-module-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lesson-bar-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .lesson-section-nav {
    grid-column: 1 / -1;
    order: 4;
    padding-top: 0;
  }
}

@media (max-width: 760px) {
  .course-overview-layout,
  .course-content .hero {
    grid-template-columns: 1fr;
  }

  .course-module-list {
    grid-template-columns: 1fr;
  }

  .course-module-card {
    min-height: 200px;
  }

  .lesson-bar-inner {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px 0;
  }

  .lesson-step-links {
    flex-wrap: wrap;
  }

  .course-module-bottom {
    flex-direction: column;
  }

  .course-content h1 {
    font-size: clamp(2.7rem, 13vw, 4.4rem);
  }
}