.page-faq {
  --faq-line: rgba(28, 44, 77, 0.9);
  --faq-soft: rgba(165, 176, 196, 0.16);
  color: var(--pdc-paper);
  background: var(--pdc-ink);
  font-family: var(--pdc-font-body);
}

.page-faq .faq-hero {
  position: relative;
  padding: 30px 0 38px;
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 95% at 84% -10%, rgba(37, 230, 214, 0.18), transparent 62%),
    radial-gradient(90% 80% at 4% 110%, rgba(141, 107, 255, 0.16), transparent 60%),
    linear-gradient(180deg, var(--pdc-curtain), var(--pdc-ink));
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(140, 248, 240, 0.05) 1px, transparent 1px);
  background-size: 100% 46px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
}

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

.page-faq .pdc-breadcrumb {
  margin-bottom: 22px;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--pdc-font-display);
  font-size: clamp(1.85rem, 6.6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--pdc-paper);
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 68ch;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--pdc-muted);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  max-width: 660px;
}

.page-faq .faq-stats li {
  padding: 12px 14px;
  border: 1px solid var(--faq-soft);
  border-radius: var(--pdc-r-md);
  background: rgba(28, 44, 77, 0.36);
}

.page-faq .faq-stats b {
  display: block;
  font-family: var(--pdc-font-mono);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--pdc-cyan);
}

.page-faq .faq-stats span {
  display: block;
  margin-top: 4px;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--pdc-dim);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 32px;
  padding-bottom: 68px;
}

.page-faq .faq-rail {
  padding: 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--pdc-r-lg);
  background: linear-gradient(160deg, rgba(13, 23, 48, 0.92), rgba(7, 11, 24, 0.92));
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--pdc-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pdc-amber);
}

.page-faq .faq-rail .pdc-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail .pdc-toc__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-rail .pdc-toc__link {
  display: block;
  padding: 8px 15px;
  border: 1px solid var(--faq-soft);
  border-radius: var(--pdc-pill);
  font-size: 0.84rem;
  white-space: nowrap;
  color: var(--pdc-muted);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.page-faq .faq-rail .pdc-toc__link:hover,
.page-faq .faq-rail .pdc-toc__link:focus-visible {
  color: var(--pdc-cyan);
  border-color: rgba(37, 230, 214, 0.55);
  background: rgba(37, 230, 214, 0.08);
}

.page-faq .faq-rail .pdc-toc__link[aria-current="true"] {
  color: var(--pdc-ink);
  border-color: var(--pdc-cyan);
  background: var(--pdc-cyan);
  font-weight: 700;
}

.page-faq .faq-rail__hint {
  margin: 14px 0 0;
  font-size: 0.76rem;
  line-height: 1.75;
  color: var(--pdc-dim);
}

.page-faq .faq-chapter {
  padding: 28px 0 30px;
  border-top: 1px solid var(--faq-soft);
}

.page-faq .faq-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-chapter__head {
  margin-bottom: 20px;
}

.page-faq .faq-chapter__num {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  border: 1px solid rgba(37, 230, 214, 0.4);
  border-radius: var(--pdc-pill);
  font-family: var(--pdc-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--pdc-cyan);
  background: rgba(37, 230, 214, 0.08);
}

.page-faq .faq-chapter__head h2 {
  margin: 0 0 10px;
  font-family: var(--pdc-font-display);
  font-size: clamp(1.28rem, 3.6vw, 1.72rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--pdc-paper);
}

.page-faq .faq-chapter__head p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--pdc-muted);
}

.page-faq .faq-figure {
  margin: 0 0 20px;
  padding: 10px;
  border: 1px solid var(--faq-line);
  border-radius: var(--pdc-r-lg);
  background: linear-gradient(155deg, rgba(13, 23, 48, 0.9), rgba(7, 11, 24, 0.6));
}

.page-faq .faq-figure .pdc-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--pdc-r-md);
  object-fit: cover;
  box-shadow: 0 18px 46px rgba(4, 8, 18, 0.6), 0 0 0 1px rgba(37, 230, 214, 0.12) inset;
}

.page-faq .faq-figure .pdc-media__cap {
  display: block;
  padding: 10px 6px 2px;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--pdc-dim);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--faq-line);
  border-radius: var(--pdc-r-md);
  background: rgba(13, 23, 48, 0.55);
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(37, 230, 214, 0.34);
}

.page-faq .faq-item[open] {
  border-color: rgba(37, 230, 214, 0.5);
  background: rgba(13, 23, 48, 0.94);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding: 15px 16px;
  font-family: var(--pdc-font-display);
  font-size: 0.97rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--pdc-paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--pdc-cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid rgba(37, 230, 214, 0.5);
  border-radius: 50%;
  background: rgba(37, 230, 214, 0.07);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1.5px;
  background: var(--pdc-cyan);
  transform: translateY(-50%);
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.page-faq .faq-item__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 16px 16px;
  border-top: 1px solid var(--faq-soft);
  margin-top: 2px;
  padding-top: 14px;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--pdc-muted);
}

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

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

.page-faq .faq-item__a a {
  color: var(--pdc-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(37, 230, 214, 0.45);
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  text-decoration-color: var(--pdc-cyan);
}

.page-faq .faq-contact {
  padding: 20px;
  border: 1px solid rgba(255, 184, 77, 0.34);
  border-radius: var(--pdc-r-lg);
  background: linear-gradient(150deg, rgba(255, 184, 77, 0.12), rgba(13, 23, 48, 0.9) 58%);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-contact__item {
  padding: 12px 14px;
  border: 1px solid var(--faq-soft);
  border-radius: var(--pdc-r-sm);
  background: rgba(7, 11, 24, 0.55);
}

.page-faq .faq-contact__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--pdc-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pdc-amber);
}

.page-faq .faq-contact__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--pdc-paper);
  word-break: break-word;
}

.page-faq .faq-contact__item .pdc-mono {
  font-family: var(--pdc-font-mono);
  letter-spacing: 0.03em;
  color: var(--pdc-mist);
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-soft);
  font-size: 0.84rem;
  line-height: 1.85;
  color: var(--pdc-muted);
}

.page-faq .faq-next {
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--pdc-r-md);
  background: linear-gradient(135deg, rgba(141, 107, 255, 0.14), rgba(7, 11, 24, 0.7) 70%);
}

.page-faq .faq-next p {
  margin: 0 0 14px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--pdc-muted);
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 44px 0 52px;
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact__item--wide {
    grid-column: 1 / -1;
  }

  .page-faq .faq-item__q {
    padding: 18px 22px;
    font-size: 1.02rem;
  }

  .page-faq .faq-item__a {
    padding: 16px 22px 20px;
  }

  .page-faq .faq-contact {
    padding: 26px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 56px 0 64px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    padding-top: 48px;
    padding-bottom: 88px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 24px;
    align-self: start;
    padding: 20px;
  }

  .page-faq .faq-rail .pdc-toc__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail .pdc-toc__list > li {
    flex: 1 1 auto;
  }

  .page-faq .faq-rail .pdc-toc__link {
    padding: 9px 14px;
    white-space: normal;
  }

  .page-faq .faq-chapter {
    padding: 36px 0 40px;
  }

  .page-faq .faq-figure {
    padding: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-rail .pdc-toc__link {
    transition: none;
  }
}