.page-faq {
  --faq-glow: 0 0 32px rgba(0, 102, 255, 0.14);
  background: var(--c-bg);
  padding-bottom: var(--space-xxl);
  position: relative;
}

.page-faq::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(to right, rgba(46, 58, 74, 0.16) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.page-faq::after {
  content: "";
  position: fixed;
  top: 16%;
  right: -120px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(157, 0, 255, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-faq__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  padding-top: var(--space-xl);
  margin-bottom: var(--space-xl);
  font-size: 14px;
  color: var(--c-text-dim);
}

.page-faq .breadcrumb a {
  color: var(--c-text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumb a:hover {
  color: var(--c-primary);
}

.page-faq__hero {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: calc(var(--space-xxl) + var(--space-lg));
  position: relative;
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(-1 * var(--space-lg));
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent) 55%, transparent);
  box-shadow: 0 0 24px rgba(0, 102, 255, 0.25);
}

.page-faq__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin: 0 0 var(--space-md);
  padding-left: var(--space-md);
  position: relative;
}

.page-faq__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.08em;
  bottom: 0.08em;
  width: 5px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
}

.page-faq__lead {
  color: var(--c-text-dim);
  font-size: 16px;
  line-height: 1.75;
  max-width: 680px;
  margin: 0;
}

.page-faq__lead strong {
  color: var(--c-text);
  font-weight: 500;
}

.page-faq__flow-img {
  width: 100%;
  height: auto;
  border: 1px solid var(--c-border);
  background: var(--c-panel);
  filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.35));
}

.page-faq__meta-grid {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.page-faq__meta-item {
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq__meta-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.02em;
}

.page-faq__meta-label {
  font-size: 12px;
  color: var(--c-text-dim);
  letter-spacing: 0.08em;
}

.page-faq__layout {
  display: grid;
  gap: var(--space-xxl);
  align-items: start;
}

.page-faq__index {
  background: var(--c-panel);
  border-left: 3px solid var(--c-primary);
  padding: var(--space-lg);
}

.page-faq__index-title {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin: 0 0 var(--space-md);
}

.page-faq__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq__index-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 14px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-border);
  color: var(--c-text-dim);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq__index-link:hover,
.page-faq__index-link:focus {
  color: var(--c-text);
  border-color: var(--c-primary);
  background: rgba(0, 102, 255, 0.08);
}

.page-faq__index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-accent);
}

.page-faq__index-status {
  margin-top: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-neon);
}

.page-faq__answers {
  display: grid;
  gap: var(--space-xxl);
}

.page-faq__group + .page-faq__group {
  padding-top: var(--space-xxl);
  border-top: 1px solid var(--c-border);
}

.page-faq__group-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 24px;
  color: var(--c-text);
  margin: 0 0 var(--space-lg);
}

.page-faq__group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-accent);
  border: 1px solid var(--c-accent);
  padding: 2px 8px;
  letter-spacing: 0.06em;
}

.page-faq__item {
  margin-bottom: var(--space-md);
  background: linear-gradient(180deg, var(--c-panel-light), var(--c-panel));
  border: 1px solid var(--c-border);
  border-left: 3px solid transparent;
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.page-faq__item:hover {
  border-color: var(--c-primary);
}

.page-faq__item[open] {
  border-left-color: var(--c-primary);
  box-shadow: var(--faq-glow);
}

.page-faq__question {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  font-size: 16px;
  color: var(--c-text);
  position: relative;
}

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

.page-faq__question::after {
  content: "";
  position: absolute;
  right: 18px;
  top: calc(50% - 6px);
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease-out);
}

.page-faq__item[open] .page-faq__question::after {
  top: calc(50% - 2px);
  transform: rotate(-135deg);
}

.page-faq__question h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-text);
}

.page-faq__q-marker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--c-accent);
  background: rgba(157, 0, 255, 0.08);
  border: 1px solid rgba(157, 0, 255, 0.3);
  padding: 2px 8px;
  flex-shrink: 0;
  margin-top: 2px;
}

.page-faq__answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--c-text-dim);
  font-size: 15px;
  line-height: 1.75;
  border-top: 1px dashed var(--c-border);
}

.page-faq__item[open] .page-faq__answer {
  padding-top: var(--space-lg);
}

.page-faq__answer strong {
  color: var(--c-text);
  font-weight: 500;
}

.page-faq__answer a {
  color: var(--c-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(0, 102, 255, 0.4);
}

.page-faq__answer a:hover {
  text-decoration-color: var(--c-accent);
}

.page-faq__figure {
  margin: var(--space-lg) 0 0;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-border);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-faq__figure-img {
  width: 100%;
  max-width: 500px;
  height: auto;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
}

.page-faq__figure-cap {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-text-dim);
}

@media (min-width: 768px) {
  .page-faq__hero {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxl);
  }

  .page-faq__hero-copy {
    align-self: center;
  }

  .page-faq__meta-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq__meta-item {
    padding: var(--space-md) var(--space-sm);
  }

  .page-faq__meta-value {
    font-size: 20px;
  }
}

@media (min-width: 1024px) {
  .page-faq__layout {
    grid-template-columns: 280px 1fr;
    gap: var(--space-xxl);
  }

  .page-faq__index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq__index-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
    overflow: visible;
  }

  .page-faq__index-link {
    justify-content: flex-start;
    width: 100%;
  }

  .page-faq__index-status {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--c-border);
  }
}