.page-faq {
  --faq-grid-line: rgba(55, 255, 139, 0.06);
  --faq-glow: rgba(75, 46, 255, 0.28);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-faq .faq-hero {
  padding: 3rem 0 2.5rem;
  position: relative;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -10%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, var(--faq-glow), transparent 70%);
  pointer-events: none;
  border-radius: 50%;
  z-index: 0;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-kicker {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.page-faq .faq-title {
  margin: 0 0 0.75rem;
  font-size: var(--text-h1);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-faq .faq-subtitle {
  margin: 0 0 2rem;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}

.page-faq .faq-searchbox {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 640px;
  margin: 0 auto 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-bottom: 2px solid var(--color-primary);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.page-faq .faq-searchbox:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(55, 255, 139, 0.12);
}

.page-faq .faq-searchbox-icon {
  flex-shrink: 0;
  color: var(--color-primary);
}

.page-faq .faq-searchbox-hint {
  margin-left: auto;
  padding: 0.25rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-surface-soft);
  border-radius: var(--radius-sm);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  max-width: 680px;
  margin: 0 auto;
}

.page-faq .faq-tags a {
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  color: var(--color-text);
  text-decoration: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-faq .faq-tags a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-faq .faq-layout {
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

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

.page-faq .section-head {
  margin-bottom: 1.5rem;
}

.page-faq .faq-list {
  border-top: 1px solid var(--color-border);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--color-border);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 0.25rem;
  list-style: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.page-faq .faq-item summary:hover {
  background: rgba(55, 255, 139, 0.04);
}

.page-faq .faq-item-num {
  padding: 0.2rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-secondary);
  background: rgba(0, 217, 255, 0.08);
  border-radius: var(--radius-sm);
}

.page-faq .faq-item-question {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-item[open] .faq-item-question {
  color: var(--color-primary);
}

.page-faq .faq-item-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.page-faq .faq-item[open] .faq-item-icon {
  transform: rotate(45deg);
  color: var(--color-primary);
}

.page-faq .faq-answer {
  max-width: 64ch;
  padding: 0 0 1.5rem;
  margin-left: 2.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

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

.page-faq .faq-answer a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 255, 139, 0.35);
}

.page-faq .faq-answer a:hover {
  border-bottom-color: var(--color-primary);
}

.page-faq .faq-docs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2.5rem;
}

.page-faq .faq-docs-cover {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.page-faq .faq-doc-category {
  position: relative;
  padding: 0 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-doc-category::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-border);
}

.page-faq .faq-doc-category--guide::before {
  background: var(--color-primary);
}

.page-faq .faq-doc-category--data::before {
  background: var(--color-secondary);
}

.page-faq .faq-doc-category--pro::before {
  background: var(--color-warning);
}

.page-faq .faq-doc-category--trouble::before {
  background: var(--color-gradient-end);
}

.page-faq .faq-doc-category summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 0;
  list-style: none;
  cursor: pointer;
}

.page-faq .faq-doc-category summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-doc-category h3 {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 900;
}

.page-faq .faq-doc-count {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-primary);
}

.page-faq .faq-doc-list {
  margin: 0;
  padding: 0 0 0.5rem;
  list-style: none;
}

.page-faq .faq-doc-list li {
  padding: 0.375rem 0;
  border-top: 1px dashed var(--color-border);
}

.page-faq .faq-doc-list li:first-child {
  border-top: 0;
}

.page-faq .faq-doc-list a {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-faq .faq-doc-list a:hover {
  color: var(--color-primary);
}

.page-faq .faq-docs-more {
  margin-top: 0.25rem;
  align-self: flex-start;
}

.page-faq .faq-contact-section {
  padding: 0.5rem 0 4rem;
}

.page-faq .faq-contact-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  background: linear-gradient(145deg, rgba(20, 27, 45, 0.94), rgba(30, 38, 56, 0.92));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-faq .faq-contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 200px at 85% 0%, rgba(55, 255, 139, 0.12), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-contact-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-faq .faq-contact-info {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-faq .faq-contact-intro {
  margin: 0 0 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.page-faq .faq-contact-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-border);
}

.page-faq .faq-contact-row:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-contact-row .contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.page-faq .faq-contact-link,
.page-faq .faq-contact-text {
  font-size: 1rem;
  color: var(--color-text);
}

.page-faq .faq-contact-link {
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 217, 255, 0.4);
}

.page-faq .faq-contact-link:hover {
  color: var(--color-secondary);
  border-bottom-color: var(--color-secondary);
}

.page-faq .faq-contact-note {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.page-faq .faq-contact-actions .btn {
  margin: 0;
}

.page-faq .btn {
  transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .btn:hover {
  transform: translateY(-2px);
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 4.5rem 0 3rem;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 2.5rem;
    align-items: start;
  }

  .page-faq .faq-docs {
    margin-top: 0;
    position: sticky;
    top: 110px;
  }

  .page-faq .faq-contact-card {
    grid-template-columns: 420px minmax(0, 1fr);
    align-items: center;
    gap: 2rem;
    padding: 2rem;
  }

  .page-faq .faq-contact-row {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
  }

  .page-faq .faq-contact-row .contact-label {
    width: 100px;
    flex-shrink: 0;
  }
}