.page-faq {
  --faq-sidebar-w: 260px;
  --faq-card-gap: 16px;
  --faq-border-w: 3px;
  --faq-block-bg: #2A2A35;
  --faq-block-bg-2: #3D3D4A;
  --faq-yellow-bg: #FFD700;
  --faq-teal-bg: #00CED1;
  --faq-warm-bg: #FFD8B0;
  --faq-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

.page-faq .container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.page-faq .breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-block: 18px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-teal);
}

.page-faq .breadcrumb-item {
  color: var(--accent-teal);
  text-decoration: none;
}

.page-faq .breadcrumb-item:hover {
  color: var(--accent-yellow);
}

.page-faq .breadcrumb-sep {
  color: var(--line-border);
}

.page-faq .breadcrumb-item.is-current {
  color: var(--text-light);
}

.page-faq .faq-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding: 18px 0 32px;
  border-bottom: var(--faq-border-w) solid var(--accent-yellow);
  margin-bottom: 36px;
}

.page-faq .faq-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-yellow);
  border: 2px solid var(--accent-yellow);
  padding: 4px 12px;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
}

.page-faq .page-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.1;
  color: var(--text-light);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.page-faq .page-intro {
  font-size: 16px;
  line-height: 1.7;
  color: #B9B9C5;
  margin: 0;
  max-width: 640px;
}

.page-faq .faq-header-stamp {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

.page-faq .faq-header-note {
  font-size: 12px;
  color: #8E8E9C;
  font-family: var(--font-body);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq .faq-sidebar {
  position: relative;
}

.page-faq .faq-sidebar-inner {
  background: var(--faq-block-bg);
  border: 2px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  position: sticky;
  top: var(--header-offset);
}

.page-faq .faq-sidebar-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-yellow);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--line-border);
  padding-bottom: 10px;
}

.page-faq .faq-toc {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.page-faq .faq-toc-link {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-light);
  text-decoration: none;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  background: #3D3D4A;
  border-left-color: var(--accent-teal);
  outline: none;
}

.page-faq .faq-toc-link.is-active {
  background: #3D3D4A;
  border-left-color: var(--accent-yellow);
  color: var(--accent-yellow);
}

.page-faq .faq-sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
  margin-top: 12px;
  box-shadow: var(--shadow-card);
}

.page-faq .faq-sidebar-card-title {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.page-faq .faq-sidebar-card-text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dark);
  opacity: 0.85;
  margin: 0 0 8px;
}

.page-faq .faq-sidebar-ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dark);
  background: var(--accent-yellow);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-sidebar-note {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.page-faq .vertical-note {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-teal);
  border-right: 1px solid var(--accent-teal);
  padding-right: 6px;
  height: 64px;
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-offset) + 20px);
}

.page-faq .section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--line-border);
  padding-bottom: 10px;
}

.page-faq .section-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 24px;
  color: var(--text-light);
  margin: 0;
}

.page-faq .section-title::before {
  content: "◆";
  color: var(--accent-yellow);
  margin-right: 8px;
  font-size: 14px;
  vertical-align: middle;
}

.page-faq .section-link-more {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #8E8E9C;
  white-space: nowrap;
}

/* Steps */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-card-gap);
}

.page-faq .faq-step-card {
  position: relative;
  border-radius: var(--radius-md);
  padding: 20px 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  border: var(--faq-border-w) solid var(--text-dark);
  box-shadow: var(--shadow-card);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.page-faq .faq-step-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.page-faq .faq-step-card-warm {
  background: var(--faq-warm-bg);
  color: var(--text-dark);
}

.page-faq .faq-step-card-teal {
  background: var(--faq-teal-bg);
  color: var(--text-dark);
}

.page-faq .faq-step-card-yellow {
  background: var(--faq-yellow-bg);
  color: var(--text-dark);
}

.page-faq .faq-step-card-dark {
  background: var(--faq-block-bg-2);
  color: var(--text-light);
}

.page-faq .faq-step-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid var(--text-dark);
  background: rgba(255, 255, 255, 0.2);
}

.page-faq .faq-step-card-dark .faq-step-num {
  border-color: var(--text-light);
  color: var(--accent-yellow);
}

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

.page-faq .faq-step-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  margin: 0 0 6px;
}

.page-faq .faq-step-text {
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 12px;
}

.page-faq .faq-step-figure {
  border: 2px solid var(--text-dark);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #FFFFFF;
}

.page-faq .faq-step-img,
.page-faq .faq-switch-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-step-demo {
  background: rgba(30, 30, 40, 0.9);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

.page-faq .faq-step-card-dark .faq-step-demo {
  background: rgba(0, 0, 0, 0.3);
}

.page-faq .faq-demo-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-teal);
}

.page-faq .faq-demo-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-light);
  background: transparent;
}

.page-faq .faq-step-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.page-faq .faq-step-check {
  font-family: var(--font-mono);
  font-size: 11px;
  display: none;
  align-self: start;
  justify-self: end;
}

/* Accordion */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq-item {
  background: var(--faq-block-bg);
  border: 2px solid var(--line-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.page-faq .faq-item:has(.faq-q[aria-expanded="true"]) {
  border-color: var(--accent-teal);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: 44px 1fr 24px;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 14px 16px;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-q:hover,
.page-faq .faq-q:focus-visible {
  background: #34343F;
  outline: none;
}

.page-faq .faq-q-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-yellow);
  border: 1px solid var(--accent-yellow);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  text-align: center;
}

.page-faq .faq-q-text {
  line-height: 1.4;
}

.page-faq .faq-q-icon {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent-teal);
  justify-self: end;
}

.page-faq .faq-a {
  padding: 0 16px 14px 72px;
  font-size: 14px;
  line-height: 1.7;
  color: #B9B9C5;
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-a a {
  color: var(--accent-teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover {
  color: var(--accent-yellow);
}

/* Switch section */
.page-faq .faq-section-switch {
  background: var(--faq-block-bg);
  border: var(--faq-border-w) solid var(--accent-yellow);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  margin-top: 48px;
}

.page-faq .faq-section-switch .section-header {
  border-bottom-color: var(--accent-yellow);
}

.page-faq .faq-switch-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-switch-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-switch-step {
  background: var(--faq-block-bg-2);
  border: 2px solid var(--line-border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  position: relative;
}

.page-faq .faq-switch-step-highlight {
  border-color: var(--accent-yellow);
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.15), var(--shadow-card);
}

.page-faq .faq-switch-step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dark);
  background: var(--accent-yellow);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.page-faq .faq-switch-step-highlight .faq-switch-step-num {
  background: var(--accent-yellow);
  color: var(--text-dark);
  font-weight: 700;
}

.page-faq .faq-switch-step-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  color: var(--text-light);
  margin: 0 0 6px;
}

.page-faq .faq-switch-step-text {
  font-size: 14px;
  line-height: 1.7;
  color: #B9B9C5;
  margin: 0 0 12px;
}

.page-faq .faq-switch-figure {
  border: 2px solid var(--accent-yellow);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-card);
}

.page-faq .faq-switch-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-switch-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  box-shadow: var(--shadow-card);
}

.page-faq .faq-switch-card-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 2px solid var(--text-dark);
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.page-faq .faq-switch-param {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--line-border);
}

.page-faq .faq-param-name {
  font-size: 13px;
  color: var(--text-dark);
  opacity: 0.7;
}

.page-faq .faq-param-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
  text-align: right;
}

.page-faq .faq-switch-note {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Tips */
.page-faq .faq-tips-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-tip-card {
  background: var(--faq-block-bg);
  border: 2px solid var(--line-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.page-faq .faq-tip-card:hover {
  border-color: var(--accent-teal);
  transform: translateY(-2px);
}

.page-faq .faq-tip-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  background: var(--accent-teal);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-faq .faq-tip-card:nth-child(3n+1) .faq-tip-num {
  background: var(--faq-yellow-bg);
}

.page-faq .faq-tip-card:nth-child(3n+2) .faq-tip-num {
  background: var(--faq-warm-bg);
}

.page-faq .faq-tip-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  color: var(--text-light);
  margin: 0 0 4px;
}

.page-faq .faq-tip-text {
  font-size: 13px;
  line-height: 1.6;
  color: #B9B9C5;
  margin: 0 0 8px;
}

.page-faq .faq-tip-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-yellow);
  background: #34343F;
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  display: inline-block;
}

/* Related */
.page-faq .card-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-rel-card {
  background: var(--bg-card);
  border: var(--faq-border-w) solid var(--text-dark);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 20px 16px;
  color: var(--text-dark);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.page-faq .faq-rel-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.page-faq .faq-rel-icon {
  font-family: var(--font-mono);
  font-size: 12px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--faq-teal-bg);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border: 2px solid var(--text-dark);
}

.page-faq .faq-rel-card .card-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  margin: 0;
}

.page-faq .faq-rel-desc {
  font-size: 13px;
  line-height: 1.5;
  opacity: 0.8;
  margin: 0;
}

/* Images */
.page-faq .faq-step-img,
.page-faq .faq-switch-img {
  width: 100%;
  height: auto;
}

/* Badge overrides inside cards */
.page-faq .faq-step-card .badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.page-faq .tag-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
}

.page-faq .tag-chip-hot {
  background: var(--accent-yellow);
  color: var(--text-dark);
}

.page-faq .tag-chip-warm {
  background: var(--faq-warm-bg);
  color: var(--text-dark);
}

.page-faq .tag-chip-green {
  background: var(--status-done);
  color: var(--text-dark);
}

/* Focus visibility */
.page-faq a:focus-visible,
.page-faq button:focus-visible {
  outline: 3px solid var(--accent-yellow);
  outline-offset: 2px;
}

/* Media Queries */
@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-faq .faq-step-card:first-child {
    grid-column: 1 / -1;
  }

  .page-faq .faq-tips-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-sidebar-w) 1fr;
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-sidebar-inner {
    padding: 22px 18px;
  }

  .page-faq .faq-switch-hero {
    grid-template-columns: 1.6fr 1fr;
    gap: 20px;
  }

  .page-faq .card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-tips-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-step-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-tips-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}