.page-faq {
  --faq-line: rgba(211, 224, 234, 0.16);
  --faq-muted: rgba(244, 241, 222, 0.68);
  --faq-panel: rgba(11, 43, 79, 0.6);
  --faq-panel-strong: rgba(11, 43, 79, 0.85);
  --faq-accent: var(--teal);
  --faq-accent-rgb: 15, 76, 92;
  background-color: var(--space-blue);
  color: var(--sand);
  position: relative;
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(57, 255, 20, 0.04) 0%, transparent 30%),
    linear-gradient(295deg, rgba(61, 52, 139, 0.10) 0%, transparent 40%),
    repeating-linear-gradient(90deg, transparent 0, transparent 47px, rgba(211, 224, 234, 0.035) 48px);
}

.page-faq__container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 52px;
}

.page-faq .breadcrumb {
  margin-bottom: 18px;
  font-size: 0.82rem;
}

.page-faq__intro {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
  padding: 20px 18px 22px;
  border-left: 4px solid var(--voltage);
  border-radius: 0 8px 8px 0;
  background:
    linear-gradient(120deg, rgba(15, 76, 92, 0.5) 0%, rgba(11, 43, 79, 0.82) 60%),
    repeating-linear-gradient(-45deg, transparent 0, transparent 8px, rgba(211, 224, 234, 0.03) 8px, rgba(211, 224, 234, 0.03) 9px);
}

.page-faq__intro-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-faq__intro-tag {
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
  border: 1px solid rgba(57, 255, 20, 0.45);
  padding: 3px 8px;
}

.page-faq__intro-version {
  font-family: var(--font-data);
  font-size: 0.7rem;
  color: var(--steel);
  background: rgba(11, 43, 79, 0.8);
  padding: 3px 8px;
  border: 1px solid var(--faq-line);
}

.page-faq__title {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 4.5vw, 2.7rem);
  line-height: 1.12;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0;
  max-width: 24em;
}

.page-faq__subtitle {
  margin: 0;
  max-width: 62ch;
  color: var(--faq-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-faq__body {
  margin-top: 24px;
}

.page-faq__filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 20px;
  scrollbar-width: none;
}

.page-faq__filters::-webkit-scrollbar {
  display: none;
}

.page-faq .filter-btn {
  flex: 0 0 auto;
  font-size: 0.82rem;
  font-family: var(--font-body);
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border-radius: 2px;
  background: rgba(11, 43, 79, 0.65);
  border: 1px solid var(--faq-line);
  color: var(--sand);
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-faq .filter-btn:hover {
  border-color: var(--neon);
}

.page-faq .filter-btn.is-active {
  background: rgba(57, 255, 20, 0.12);
  border-color: var(--neon);
  color: var(--neon);
}

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

.page-faq__sidebar {
  display: grid;
  gap: 16px;
}

.page-faq__sidebar-title {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-faq__index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.page-faq__index-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  text-decoration: none;
  color: var(--sand);
  font-size: 0.85rem;
  background: var(--faq-panel);
  border-left: 2px solid transparent;
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-faq__index-link:hover {
  border-left-color: var(--neon);
  background: rgba(15, 76, 92, 0.55);
  transform: translateX(2px);
}

.page-faq__index-num {
  font-family: var(--font-data);
  font-size: 0.68rem;
  color: var(--steel);
}

.page-faq__side-panel {
  padding: 14px;
  background:
    linear-gradient(135deg, rgba(57, 255, 20, 0.05) 0%, transparent 45%),
    var(--faq-panel-strong);
  border: 1px solid var(--faq-line);
}

.page-faq__side-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.82rem;
}

.page-faq__side-status-label {
  color: var(--steel);
}

.page-faq__side-status-value {
  color: var(--neon);
  font-family: var(--font-data);
  font-size: 0.72rem;
  margin-left: auto;
  text-transform: uppercase;
}

.page-faq .status-dot {
  animation: page-faq-pulse 2s infinite;
}

@keyframes page-faq-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.45);
  }
  50% {
    opacity: 0.75;
    box-shadow: 0 0 0 6px rgba(57, 255, 20, 0);
  }
}

.page-faq__side-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border-top: 1px solid var(--faq-line);
  padding-top: 10px;
}

.page-faq__side-stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-faq__side-stat .data-num {
  font-size: 0.92rem;
  color: var(--sand);
  white-space: nowrap;
}

.page-faq__kbd {
  border: 1px dashed var(--faq-line);
  padding: 10px 12px;
}

.page-faq__kbd-label {
  font-family: var(--font-data);
  font-size: 0.68rem;
  color: var(--steel);
}

.page-faq__kbd-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--faq-muted);
}

.page-faq__kbd-list kbd {
  font-family: var(--font-data);
  font-size: 0.7rem;
  color: var(--neon);
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.3);
  padding: 1px 5px;
  border-radius: 2px;
}

.page-faq__content {
  display: grid;
  gap: 36px;
}

.page-faq__section {
  --faq-accent: var(--teal);
  --faq-accent-rgb: 15, 76, 92;
  padding-top: 8px;
  border-top: 2px solid var(--faq-accent);
}

.page-faq__section--data,
.page-faq__section--version {
  --faq-accent: var(--indigo);
  --faq-accent-rgb: 61, 52, 139;
}

.page-faq__section-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 15px;
  padding: 6px 0 10px 12px;
  border-left: 3px solid var(--faq-accent);
}

.page-faq__section-num {
  font-family: var(--font-data);
  font-size: 0.68rem;
  color: var(--faq-accent);
  border: 1px solid var(--faq-accent);
  padding: 2px 6px;
  line-height: 1.4;
}

.page-faq__section-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.page-faq__section-desc {
  margin: 4px 0 0;
  color: var(--faq-muted);
  font-size: 0.8rem;
}

.page-faq__media {
  position: relative;
  margin: 16px 0 20px;
  padding-left: 12px;
}

.page-faq__media::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: linear-gradient(180deg, var(--faq-accent), rgba(211, 224, 234, 0.08));
}

.page-faq__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--faq-line);
}

.page-faq__img--square {
  max-width: 260px;
}

.page-faq__img--wide {
  max-width: 560px;
}

.page-faq__media-caption {
  margin-top: 6px;
  font-family: var(--font-data);
  font-size: 0.68rem;
  color: var(--steel);
  letter-spacing: 0.03em;
}

.page-faq__qa {
  margin: 0 0 10px;
  background: var(--faq-panel);
  border-left: 3px solid var(--faq-accent);
  transition: background var(--ease), border-left-width var(--ease);
}

.page-faq__qa[open] {
  background: rgba(var(--faq-accent-rgb), 0.35);
  border-left-width: 4px;
}

.page-faq__qa summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 12px;
  cursor: pointer;
  list-style: none;
}

.page-faq__qa summary::-webkit-details-marker {
  display: none;
}

.page-faq__qa summary::-moz-list-bullet {
  list-style: none;
}

.page-faq__qnum {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 0.68rem;
  color: var(--faq-accent);
  border: 1px solid rgba(var(--faq-accent-rgb), 0.6);
  padding: 2px 5px;
  line-height: 1.3;
}

.page-faq__qtitle {
  flex: 1;
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--sand);
}

.page-faq__q-icon {
  flex: 0 0 auto;
  position: relative;
  width: 14px;
  height: 14px;
}

.page-faq__q-icon::before,
.page-faq__q-icon::after {
  content: "";
  position: absolute;
  background: var(--faq-accent);
  transition: transform var(--ease), opacity var(--ease);
}

.page-faq__q-icon::before {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq__q-icon::after {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-faq__qa[open] .page-faq__q-icon::before {
  transform: scaleY(0);
  opacity: 0.5;
}

.page-faq__answer {
  padding: 2px 14px 14px 34px;
  color: var(--faq-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-faq__answer p {
  margin: 8px 0 0;
}

.page-faq__answer a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 20, 0.35);
  transition: border-color var(--ease);
}

.page-faq__answer a:hover {
  border-bottom-color: var(--neon);
}

.page-faq__answer-badge {
  display: inline-block;
  margin-top: 2px;
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 2px;
  background: rgba(57, 255, 20, 0.12);
  border: 1px solid var(--neon);
  color: var(--neon);
}

.page-faq__answer-badge--no {
  background: rgba(255, 106, 0, 0.12);
  border-color: var(--voltage);
  color: var(--voltage);
}

.page-faq__answer-badge--slight {
  background: rgba(211, 224, 234, 0.08);
  border-color: var(--steel);
  color: var(--mist);
}

.page-faq__inline-data {
  font-family: var(--font-data);
  color: var(--neon);
}

.page-faq__version-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.page-faq__version-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-line);
  padding: 12px;
  min-width: 0;
}

.page-faq__version-cell .data-num {
  font-size: 1rem;
  color: var(--sand);
  white-space: nowrap;
}

.page-faq__cta {
  margin-top: 42px;
  padding: 22px;
  background:
    linear-gradient(120deg, rgba(15, 76, 92, 0.65), rgba(11, 43, 79, 0.92));
  border: 1px solid var(--faq-line);
}

.page-faq__cta-content h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
}

.page-faq__cta-content p {
  margin: 0;
  color: var(--faq-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-faq__cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

@media (min-width: 768px) {
  .page-faq__container {
    padding-top: 38px;
  }

  .page-faq__intro {
    padding: 26px 24px 28px;
  }

  .page-faq__layout {
    grid-template-columns: 230px 1fr;
    gap: 28px;
    align-items: start;
  }

  .page-faq__sidebar {
    position: sticky;
    top: 24px;
  }

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

  .page-faq__version-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-faq__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .page-faq__cta-links {
    margin-top: 0;
    flex-shrink: 0;
  }
}

@media (min-width: 1024px) {
  .page-faq__layout {
    grid-template-columns: 260px 1fr;
    gap: 40px;
  }

  .page-faq__section-head {
    margin-bottom: 20px;
  }
}