/* Catalogue-only composition. Shared navigation, search and toolbox stay native. */
.mag-page-tutorials .mag-tutorials-section {
  --tutorial-serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  padding-bottom: 32px;
}

.mag-page-tutorials .mag-catalog-header {
  padding: 28px 0 30px;
  border-bottom: 1px solid var(--mag-line-strong);
}

.mag-page-tutorials .mag-playbook-kicker {
  color: var(--mag-teal);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: .16em;
  margin-bottom: 18px;
}

.mag-page-tutorials .mag-catalog-title-group { gap: 24px; margin-bottom: 18px; }
.mag-page-tutorials .mag-catalog-main-title {
  font-family: var(--tutorial-serif);
  font-size: clamp(48px, 6.3vw, 80px);
  line-height: 1.14;
  letter-spacing: -.055em;
}
.mag-page-tutorials .mag-catalog-sub-badge {
  border-left: 0;
  border-top: 1px solid var(--mag-teal);
  padding: 9px 0 5px;
  color: var(--mag-teal);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: .18em;
}
.mag-page-tutorials .mag-catalog-intro {
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.mag-page-tutorials .mag-action-toolbar {
  gap: 20px;
  align-items: center;
  padding: 22px 0;
  margin-bottom: 24px;
  border-color: var(--mag-line-strong);
}
.mag-page-tutorials .mag-topic-pills { gap: 8px; }
.mag-page-tutorials .mag-pill-btn {
  min-height: 44px;
  padding: 9px 16px;
  font-size: 13px;
  border-color: var(--mag-line-strong);
  background: transparent;
}
.mag-page-tutorials .mag-pill-btn.is-active {
  background: var(--mag-teal);
  border-color: var(--mag-teal);
  color: var(--mag-paper-warm);
}
.mag-page-tutorials .mag-pill-btn:hover {
  border-color: var(--mag-teal);
  color: var(--mag-teal);
}
.mag-page-tutorials .mag-pill-btn.is-active:hover { color: var(--mag-paper-warm); }
.mag-page-tutorials .mag-toolbar-right { gap: 12px; }
.mag-page-tutorials .mag-tags-popover {
  position: relative;
  border: 0;
  margin: 0;
  padding: 0;
  background: transparent;
}
.mag-page-tutorials .mag-tags-popover > summary {
  min-height: 44px;
  gap: 6px;
  padding: 8px 15px;
  border-color: var(--mag-line-strong);
  color: var(--mag-teal);
  background: transparent;
}
.mag-page-tutorials .mag-tags-popover .tag-filter {
  position: absolute;
  z-index: 10;
  top: calc(100% + 10px);
  right: 0;
  width: min(440px, calc(100vw - 56px));
  margin: 0;
  padding: 16px;
  border: 1px solid var(--mag-line-strong);
  border-radius: 12px;
  background: var(--mag-paper-warm);
  box-shadow: 0 16px 40px var(--mag-line);
}
.mag-page-tutorials .mag-total-count-text { color: var(--mag-ink-muted); }

.mag-page-tutorials .mag-ref-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 0;
  align-items: stretch;
}
.mag-page-tutorials .mag-ref-card {
  position: relative;
  grid-column: span 6;
  min-width: 0;
  border-radius: 3px;
  background: var(--mag-paper-warm);
  border-color: var(--mag-line);
  box-shadow: none;
  scroll-margin-top: 36px;
}
.mag-page-tutorials .mag-ref-card:nth-of-type(1) { grid-column: span 7; }
.mag-page-tutorials .mag-ref-card:nth-of-type(2) { grid-column: span 5; }
.mag-page-tutorials .mag-ref-card:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--mag-teal);
}
.mag-page-tutorials .mag-ref-visual { margin: 10px 10px 0; }
.mag-page-tutorials .mag-ref-card-vertical .mag-ref-visual {
  width: auto;
  height: clamp(230px, 23vw, 290px);
  background: var(--mag-surface);
}
.mag-page-tutorials .mag-ref-visual img { object-position: center; }
.mag-page-tutorials .mag-ref-body {
  min-width: 0;
  padding: 22px 24px 20px;
}
.mag-page-tutorials .mag-ref-kicker {
  color: var(--mag-teal);
  letter-spacing: .09em;
  line-height: 1.7;
  font-size: 10px;
  margin-bottom: 10px;
}
.mag-page-tutorials .mag-ref-title {
  font-family: var(--tutorial-serif);
  font-size: 27px;
  line-height: 1.48;
  letter-spacing: -.035em;
  margin-bottom: 14px;
  overflow-wrap: anywhere;
}
.mag-page-tutorials #ai-env .mag-ref-title { font-size: 30px; }
.mag-page-tutorials .mag-ref-title span { display: block; }
.mag-page-tutorials .mag-ref-title a:hover { color: var(--mag-teal); }
.mag-page-tutorials .mag-ref-desc {
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 18px;
}
.mag-page-tutorials .mag-ref-goal {
  padding: 11px 0;
  border-block: 1px solid var(--mag-line);
  gap: 14px;
  margin-bottom: 12px;
  line-height: 1.7;
}
.mag-page-tutorials .mag-ref-goal-badge {
  color: var(--mag-teal);
  background: transparent;
  padding: 0;
  font-size: 10px;
}
.mag-page-tutorials .mag-ref-goal-text { font-size: 12px; }
.mag-page-tutorials .mag-ref-tags { gap: 4px 13px; margin-bottom: 16px; }
.mag-page-tutorials .mag-ref-tag-pill {
  color: var(--mag-teal);
  background: transparent;
  border-radius: 0;
  padding: 0;
  font-size: 10px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.mag-page-tutorials .mag-ref-footer {
  gap: 12px;
  border: 0;
  padding-top: 0;
}
.mag-page-tutorials .mag-ref-date { font-size: 10px; color: var(--mag-ink-muted); }
.mag-page-tutorials .mag-ref-read-btn,
.mag-page-tutorials .mag-view-all-btn {
  min-height: 44px;
  border-radius: 999px;
  padding: 9px 22px;
  font-size: 13px;
  line-height: 1.5;
  flex-shrink: 0;
  box-shadow: none;
}
.mag-page-tutorials .mag-ref-read-btn {
  background: var(--mag-teal);
  color: var(--mag-paper-warm);
  border: 1px solid var(--mag-teal);
}
.mag-page-tutorials .mag-ref-read-btn:hover {
  background: var(--mag-ink);
  border-color: var(--mag-ink);
  transform: none;
  box-shadow: none;
}
.mag-page-tutorials .mag-ref-card-horizontal { display: grid; grid-template-columns: 32% minmax(0, 1fr); }
.mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual {
  width: auto;
  min-width: 0;
  height: auto;
  margin: 10px 0 10px 10px;
  background: var(--mag-surface);
}
.mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual img { min-height: 100%; }
.mag-page-tutorials .mag-ref-card-horizontal .mag-ref-body { padding: 20px; }
.mag-page-tutorials .mag-ref-card-horizontal .mag-ref-title { font-size: 23px; }
.mag-page-tutorials .mag-ref-card-horizontal .mag-ref-desc { font-size: 13px; }
.mag-page-tutorials .mag-ref-card-horizontal .mag-ref-footer { flex-wrap: wrap; }
.mag-page-tutorials .mag-ref-card-horizontal .mag-ref-read-btn { margin-left: auto; }
.mag-page-tutorials .mag-ref-grid.is-filtered { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mag-page-tutorials .mag-ref-grid.is-filtered .mag-ref-card { grid-column: auto; }
.mag-page-tutorials .mag-ref-grid .inpage-no-match { grid-column: 1 / -1; }
.mag-page-tutorials .mag-view-all-wrap { margin: 28px 0 0; }
.mag-page-tutorials .mag-view-all-btn { min-width: 164px; color: var(--mag-teal); border-color: var(--mag-teal); }
.mag-page-tutorials .mag-view-all-btn:hover { background: var(--mag-teal); color: var(--mag-paper-warm); }
.mag-page-tutorials .mag-ref-read-btn:active,
.mag-page-tutorials .mag-view-all-btn:active { transform: translateY(1px); }
.mag-page-tutorials .ce-subscribe { margin-top: 24px; }
.mag-page-tutorials .mag-tutorials-section :where(a, button, summary):focus-visible {
  outline: 2px solid var(--mag-teal);
  outline-offset: 4px;
}

@media (max-width: 1100px) {
  .mag-page-tutorials .mag-action-toolbar { align-items: flex-start; }
  .mag-page-tutorials .mag-toolbar-right { width: 100%; }
  .mag-page-tutorials .mag-total-count-text { margin-left: auto; }
  .mag-page-tutorials .mag-ref-card-horizontal { grid-template-columns: 1fr; }
  .mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual { height: 210px; margin: 10px 10px 0; }
  .mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual img { object-fit: contain; }
  .mag-page-tutorials .mag-ref-card-horizontal .mag-ref-title { font-size: 25px; }
}

@media (max-width: 760px) {
  .mag-page-tutorials .mag-catalog-header { padding: 16px 0 24px; }
  .mag-page-tutorials .mag-catalog-main-title { font-size: clamp(44px, 8.5vw, 64px); }
  .mag-page-tutorials .mag-catalog-intro { font-size: 14px; }
  .mag-page-tutorials .mag-action-toolbar { gap: 16px; padding-block: 18px; }
  .mag-page-tutorials .mag-pill-btn { padding-inline: 13px; font-size: 12px; }
  .mag-page-tutorials .mag-ref-grid,
  .mag-page-tutorials .mag-ref-grid.is-filtered { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .mag-page-tutorials .mag-ref-grid .mag-ref-card { grid-column: auto; }
  .mag-page-tutorials .mag-ref-card-vertical .mag-ref-visual { height: auto; aspect-ratio: 1.9; }
  .mag-page-tutorials #stm32 .mag-ref-visual { aspect-ratio: 1.9; }
  .mag-page-tutorials .mag-ref-card-horizontal { grid-template-columns: 29% minmax(0, 1fr); }
  .mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual { height: auto; margin: 10px 0 10px 10px; }
  .mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual img { object-fit: cover; }
  .mag-page-tutorials .mag-ref-title,
  .mag-page-tutorials #ai-env .mag-ref-title { font-size: 26px; }
  .mag-page-tutorials .mag-ref-card-horizontal .mag-ref-title { font-size: 23px; }
}

@media (max-width: 480px) {
  .mag-page-tutorials .mag-catalog-title-group { gap: 16px; }
  .mag-page-tutorials .mag-catalog-sub-badge { font-size: 9px; letter-spacing: .1em; }
  .mag-page-tutorials .mag-playbook-kicker { font-size: 9px; letter-spacing: .1em; }
  .mag-page-tutorials .mag-toolbar-right { gap: 10px; }
  .mag-page-tutorials .mag-toolbar-right .inpage-mini-search { flex: 1 1 100%; max-width: none; }
  .mag-page-tutorials .mag-toolbar-right .inpage-mini-search:focus-within { max-width: none; }
  .mag-page-tutorials .mag-ref-body { padding: 18px; }
  .mag-page-tutorials .mag-ref-title,
  .mag-page-tutorials #ai-env .mag-ref-title { font-size: 24px; }
  .mag-page-tutorials .mag-ref-card-horizontal { grid-template-columns: 1fr; }
  .mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual { height: 210px; margin: 10px 10px 0; }
  .mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual img { object-fit: contain; }
  .mag-page-tutorials .mag-ref-goal { gap: 10px; }
  .mag-page-tutorials .mag-tags-popover .tag-filter { left: 0; right: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .mag-page-tutorials .mag-ref-card,
  .mag-page-tutorials .mag-ref-visual img,
  .mag-page-tutorials .mag-ref-read-btn,
  .mag-page-tutorials .mag-view-all-btn { transition: none; }
  .mag-page-tutorials .mag-ref-card:hover .mag-ref-visual img { transform: none; }
}

/* Display the independent HD artwork in full, including its typography. */
.mag-page-tutorials .mag-ref-visual img,
.mag-page-tutorials .mag-ref-card-horizontal .mag-ref-visual img {
  object-fit: contain;
}
.mag-page-tutorials #ai-env .mag-ref-visual { background: var(--mag-teal); }
.mag-page-tutorials #stm32 .mag-ref-visual,
.mag-page-tutorials #ros2 .mag-ref-visual { background: var(--mag-paper); }
.mag-page-tutorials #esp32 .mag-ref-visual { background: var(--mag-ink); }
.mag-page-tutorials .mag-ref-card:hover .mag-ref-visual img { transform: none; }
@media (max-width: 760px) {
  .mag-page-tutorials #ai-env .mag-ref-visual { aspect-ratio: 1883 / 835; }
  .mag-page-tutorials #stm32 .mag-ref-visual { aspect-ratio: 3 / 2; }
}