.page-faq {
  --faq-rail-w: 300px;
  --faq-border-soft: rgba(160, 164, 176, 0.18);
  --faq-blue-soft: rgba(10, 108, 255, 0.14);
  --faq-orange-soft: rgba(255, 107, 0, 0.14);
  --faq-cyan-soft: rgba(0, 229, 255, 0.14);
  --faq-gold-soft: rgba(255, 179, 0, 0.14);
  background:
    radial-gradient(1000px 420px at 88% -5%, rgba(10, 108, 255, 0.2), transparent 60%),
    radial-gradient(760px 360px at 5% 30%, rgba(255, 107, 0, 0.1), transparent 52%),
    var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  position: relative;
}

.page-faq__hero {
  padding: var(--sp-5) 0 var(--sp-7);
  border-bottom: 1px solid var(--faq-border-soft);
  position: relative;
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: var(--gradient-scan);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq__hero-grid {
  display: grid;
  gap: var(--sp-6);
  margin-top: var(--sp-5);
  align-items: center;
}

.page-faq__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: var(--sp-3) 0 var(--sp-4);
  transform: skewX(-1.5deg);
  background: linear-gradient(120deg, #FFFFFF 20%, rgba(0, 229, 255, 0.9) 80%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-faq__lead {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 56ch;
  margin-bottom: var(--sp-5);
}

.page-faq__hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-faq__hero-tags .tag {
  font-size: var(--text-sm);
  padding: var(--sp-2) var(--sp-3);
  border-radius: 999px;
  background: rgba(10, 108, 255, 0.12);
  border: 1px solid rgba(10, 108, 255, 0.28);
  color: var(--color-cyan);
}

.page-faq__hero-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--faq-border-soft);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  position: relative;
}

.page-faq__hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 108, 255, 0.16) 0%, transparent 50%, rgba(255, 107, 0, 0.14) 100%);
  pointer-events: none;
  z-index: 1;
}

.page-faq__hero-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 7;
}

.page-faq__support {
  padding: var(--sp-7) 0 var(--sp-8);
  position: relative;
}

.page-faq__support::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(10, 108, 255, 0.25) 30%, rgba(255, 107, 0, 0.25) 70%, transparent);
  pointer-events: none;
}

.page-faq__support-layout {
  display: grid;
  gap: var(--sp-6);
}

.page-faq__directory {
  min-width: 0;
}

.page-faq__directory-card {
  background: linear-gradient(160deg, var(--color-surface-2), var(--color-surface) 65%);
  border: 1px solid var(--faq-border-soft);
  border-radius: var(--radius);
  padding: var(--sp-5);
  position: relative;
  box-shadow:
    0 0 0 1px rgba(10, 108, 255, 0.05),
    0 20px 44px rgba(0, 0, 0, 0.3),
    10px 10px 0 rgba(255, 107, 0, 0.08);
}

.page-faq__directory-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 4px;
  background: var(--gradient-brand);
  border-radius: 0 0 4px 4px;
  opacity: 0.7;
}

.page-faq__compass {
  display: flex;
  justify-content: center;
  margin-bottom: var(--sp-4);
}

.page-faq__compass-svg {
  width: 96px;
  height: 96px;
}

.page-faq__directory-intro {
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin: var(--sp-2) 0 var(--sp-4);
}

.page-faq__directory-list {
  list-style: none;
  display: grid;
  gap: var(--sp-2);
  padding: 0;
  margin: 0 0 var(--sp-4);
}

.page-faq__directory-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq__directory-link:hover {
  border-color: rgba(10, 108, 255, 0.4);
  background: rgba(10, 108, 255, 0.1);
  transform: translateX(4px);
}

.page-faq__directory-index {
  font-family: var(--font-code);
  font-size: var(--text-xs);
  color: var(--color-cyan);
  background: var(--faq-cyan-soft);
  border-radius: 4px;
  padding: 0.2rem 0.45rem;
}

.page-faq__directory-name {
  font-weight: 500;
  font-size: var(--text-base);
  flex: 1;
}

.page-faq__directory-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-muted);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq__directory-link:hover .page-faq__directory-dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--faq-orange-soft);
}

.page-faq__directory-legend {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px dashed rgba(160, 164, 176, 0.2);
  border-bottom: 1px dashed rgba(160, 164, 176, 0.2);
  margin-bottom: var(--sp-4);
  flex-wrap: wrap;
}

.page-faq__legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.page-faq__legend-dot--primary {
  background: var(--color-primary);
  box-shadow: 0 0 10px rgba(10, 108, 255, 0.6);
}

.page-faq__legend-dot--accent {
  background: var(--color-accent);
  box-shadow: 0 0 10px rgba(255, 107, 0, 0.6);
}

.page-faq__legend-text {
  color: var(--color-muted);
  font-size: var(--text-xs);
  margin-right: var(--sp-2);
}

.page-faq__directory-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--faq-border-soft);
  margin-top: var(--sp-4);
}

.page-faq__quick {
  display: grid;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.page-faq__quick-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(30, 32, 39, 0.8);
  border: 1px dashed rgba(160, 164, 176, 0.25);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq__quick-link:hover {
  border-color: rgba(255, 107, 0, 0.45);
  color: var(--color-text);
  background: var(--faq-orange-soft);
}

.page-faq__quick-arrow {
  font-family: var(--font-code);
  color: var(--color-accent);
  font-size: var(--text-base);
}

.page-faq__qa {
  min-width: 0;
  display: grid;
  gap: var(--sp-7);
}

.page-faq__group {
  scroll-margin-top: calc(var(--header-h-mobile) + 16px);
}

.page-faq__group-header {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3) var(--sp-3);
  border-bottom: 2px solid transparent;
  background: linear-gradient(90deg, rgba(10, 108, 255, 0.1) 0%, transparent 70%);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  margin-bottom: var(--sp-4);
}

.page-faq__group--data .page-faq__group-header {
  border-bottom-color: rgba(10, 108, 255, 0.5);
}

.page-faq__group--version .page-faq__group-header {
  border-bottom-color: rgba(0, 229, 255, 0.5);
  background: linear-gradient(90deg, var(--faq-cyan-soft) 0%, transparent 70%);
}

.page-faq__group--account .page-faq__group-header {
  border-bottom-color: rgba(255, 107, 0, 0.5);
  background: linear-gradient(90deg, var(--faq-orange-soft) 0%, transparent 70%);
}

.page-faq__group--partner .page-faq__group-header {
  border-bottom-color: rgba(255, 179, 0, 0.5);
  background: linear-gradient(90deg, var(--faq-gold-soft) 0%, transparent 70%);
}

.page-faq__group-num {
  font-family: var(--font-code);
  font-size: var(--text-sm);
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  transform: skewX(-6deg);
}

.page-faq__group-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin: 0;
  transform: skewX(-2deg);
}

.page-faq__group-count {
  margin-left: auto;
  font-family: var(--font-code);
  font-size: var(--text-xs);
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  white-space: nowrap;
}

.page-faq__item {
  background: var(--color-surface);
  border: 1px solid var(--faq-border-soft);
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--sp-3);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq__group--data .page-faq__item {
  border-left-color: rgba(10, 108, 255, 0.6);
}

.page-faq__group--version .page-faq__item {
  border-left-color: rgba(0, 229, 255, 0.6);
}

.page-faq__group--account .page-faq__item {
  border-left-color: rgba(255, 107, 0, 0.6);
}

.page-faq__group--partner .page-faq__item {
  border-left-color: rgba(255, 179, 0, 0.6);
}

.page-faq__item[open] {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  background: var(--color-surface-2);
}

.page-faq__question {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  font-weight: 500;
  font-size: var(--text-base);
  line-height: 1.5;
  user-select: none;
  transition: background var(--dur) var(--ease);
}

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

.page-faq__question::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-code);
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-cyan);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
  flex-shrink: 0;
}

.page-faq__item[open] .page-faq__question::after {
  content: "−";
  color: var(--color-accent);
  transform: rotate(90deg);
}

.page-faq__q-tag {
  font-family: var(--font-code);
  font-size: var(--text-xs);
  color: var(--color-cyan);
  background: var(--faq-cyan-soft);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.page-faq__q-text {
  flex: 1;
}

.page-faq__answer {
  padding: 0 var(--sp-5);
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.8;
  border-top: 1px solid transparent;
  animation: page-faq-fade-in 0.25s var(--ease);
}

.page-faq__item[open] .page-faq__answer {
  padding: var(--sp-4) var(--sp-5) var(--sp-5);
  border-top-color: rgba(160, 164, 176, 0.12);
}

.page-faq__answer p {
  margin: 0 0 var(--sp-3);
}

.page-faq__answer p:last-child {
  margin-bottom: 0;
}

@keyframes page-faq-fade-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq__contact {
  padding: var(--sp-6) 0 var(--sp-8);
}

.page-faq__contact-card {
  position: relative;
  display: grid;
  gap: var(--sp-5);
  background: linear-gradient(145deg, var(--color-surface-2), var(--color-surface) 55%, var(--color-bg-deep));
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--faq-border-soft);
  padding: var(--sp-6) var(--sp-5);
  overflow: hidden;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.page-faq__contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-scan);
  opacity: 0.6;
}

.page-faq__contact-card::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(10, 108, 255, 0.18), transparent 70%);
  pointer-events: none;
}

.page-faq__contact-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 900;
  margin: var(--sp-2) 0 var(--sp-3);
  transform: skewX(-1.5deg);
}

.page-faq__contact-lead {
  color: var(--color-muted);
  font-size: var(--text-base);
  line-height: 1.8;
  max-width: 60ch;
  margin-bottom: var(--sp-5);
}

.page-faq__contact-meta {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.page-faq__contact-meta-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(160, 164, 176, 0.14);
  border-radius: var(--radius-sm);
}

.page-faq__contact-label {
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-family: var(--font-code);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  white-space: nowrap;
}

.page-faq__contact-value {
  font-weight: 500;
  font-size: var(--text-base);
  word-break: break-all;
}

.page-faq__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.page-faq__contact-actions .btn {
  text-decoration: none;
}

.page-faq__contact-crest {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}

.page-faq__contact-svg {
  width: 220px;
  height: 220px;
  filter: drop-shadow(0 0 30px rgba(10, 108, 255, 0.25));
}

@media (min-width: 768px) {
  .page-faq__hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--sp-6);
  }

  .page-faq__contact-card {
    padding: var(--sp-7) var(--sp-6);
  }

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

  .page-faq__contact-crest {
    display: flex;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.7;
  }

  .page-faq__contact-copy {
    padding-right: 260px;
  }
}

@media (min-width: 1024px) {
  .page-faq__hero {
    padding: var(--sp-7) 0 var(--sp-8);
  }

  .page-faq__support-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--sp-7);
    align-items: start;
  }

  .page-faq__directory {
    position: sticky;
    top: calc(var(--header-h-mobile) + 24px);
    z-index: 2;
  }

  .page-faq__question {
    font-size: var(--text-lg);
  }

  .page-faq__answer {
    font-size: var(--text-base);
  }

  .page-faq__contact-card {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-faq__contact-crest {
    position: static;
    transform: none;
    min-height: 280px;
  }

  .page-faq__contact-copy {
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq__item,
  .page-faq__answer,
  .page-faq__directory-link,
  .page-faq__quick-link,
  .page-faq__title,
  .page-faq__group-title,
  .page-faq__contact-title {
    transition: none;
    transform: none;
    animation: none;
  }
}