.page-faq {
  --faq-accent: var(--c-primary);
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-faq .faq-hero {
  position: relative;
  background: var(--c-dark);
  padding: calc(var(--header-h-mobile) + 32px) 0 48px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 77, 0, 0.18), transparent 36%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 12px);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero__title {
  color: var(--c-white);
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-faq .faq-hero__title-mark {
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  background: var(--c-primary);
  margin-right: 0.35em;
  transform: skewX(-14deg);
}

.page-faq .faq-hero__lede {
  color: rgba(245, 245, 240, 0.86);
  max-width: 58ch;
  margin-bottom: 22px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__chip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--c-white);
  font-size: 0.8125rem;
  padding: 6px 14px;
  border-radius: 999px;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__image {
  box-shadow: var(--shadow-float);
}

.page-faq .faq-hero__image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-eyebrow {
  color: var(--c-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-faq .faq-eyebrow--neon {
  color: var(--c-neon);
}

.page-faq .faq-body {
  padding-top: 56px;
  padding-bottom: 88px;
}

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

.page-faq .faq-cats {
  position: sticky;
  top: calc(var(--header-h-mobile) + 8px);
  z-index: 6;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 6px;
  margin: 0 -6px 40px;
  background: rgba(245, 245, 240, 0.94);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-cats::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-cats__link {
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 1px solid var(--c-line);
  background: var(--c-white);
  color: var(--c-ink);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.2s;
}

.page-faq .faq-cats__link:hover,
.page-faq .faq-cats__link:focus {
  border-color: var(--c-primary);
  color: var(--c-dark);
  transform: translateY(-1px);
}

.page-faq .faq-cats__link:active {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-white);
}

.page-faq .faq-section {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--header-h-mobile) + 84px);
}

.page-faq .faq-section:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-section__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--c-dark);
  margin: 0 0 20px;
}

.page-faq .faq-section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  background: var(--c-primary);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 10px;
  transform: rotate(-6deg);
}

.page-faq .faq-accordion {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(10, 15, 26, 0.04), 0 12px 32px rgba(10, 15, 26, 0.06);
  transition: box-shadow 0.25s;
}

.page-faq .faq-item[open] {
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-item__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--c-primary);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 8px;
}

.page-faq .faq-item__q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--c-dark);
}

.page-faq .faq-item__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--c-ink);
  transition: transform 0.25s var(--ease-out);
}

.page-faq .faq-item__icon::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-item__icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-item__answer {
  padding: 0 16px 22px 60px;
  color: var(--c-ink);
  font-size: 0.9375rem;
  line-height: 1.7;
}

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

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

.page-faq .faq-inline-link {
  color: var(--c-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-panel-foot {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--c-white);
  border: 1px dashed var(--c-line);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--c-ink);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: center;
}

.page-faq .faq-panel-foot .link-arrow {
  color: var(--c-primary);
  font-weight: 600;
  text-decoration: none;
}

.page-faq .faq-mobile-figure {
  margin: 32px auto 0;
  max-width: 440px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 12px;
}

.page-faq .faq-mobile-figure__frame {
  overflow: hidden;
  background: var(--c-paper);
  border-radius: 2px;
}

.page-faq .faq-mobile-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-mobile-figure figcaption {
  padding: 12px 4px 4px;
  font-size: 0.8125rem;
  color: var(--c-ink);
  text-align: center;
}

.page-faq .faq-side {
  position: relative;
  background: var(--c-dark);
  color: var(--c-white);
  padding: 28px;
  border-radius: 8px;
  overflow: hidden;
}

.page-faq .faq-side::after {
  content: "KAIYUN";
  position: absolute;
  right: 8px;
  bottom: -16px;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 68px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
  letter-spacing: -0.04em;
  pointer-events: none;
}

.page-faq .faq-side__title {
  position: relative;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--c-white);
}

.page-faq .faq-side__list {
  position: relative;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-side__list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  color: rgba(245, 245, 240, 0.86);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9375rem;
  transition: color 0.2s, padding-left 0.2s;
}

.page-faq .faq-side__list a::after {
  content: "→";
  color: var(--c-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  transition: transform 0.2s;
}

.page-faq .faq-side__list a:hover {
  color: var(--c-white);
  padding-left: 4px;
}

.page-faq .faq-side__list a:hover::after {
  transform: translateX(3px);
}

.page-faq .faq-side__anchor {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding: 12px 20px;
  border: 1px solid var(--c-primary);
  color: var(--c-primary);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.page-faq .faq-side__anchor:hover,
.page-faq .faq-side__anchor:focus {
  background: var(--c-primary);
  color: var(--c-white);
}

.page-faq .faq-support {
  background: linear-gradient(135deg, #0a0f1a 0%, #101a2b 100%);
  padding: clamp(56px, 8vw, 96px) 0;
  scroll-margin-top: calc(var(--header-h-mobile) + 24px);
}

.page-faq .faq-support__inner {
  display: grid;
  gap: 40px;
}

.page-faq .faq-support__title {
  color: var(--c-white);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 10px 0 12px;
}

.page-faq .faq-support__desc {
  color: rgba(245, 245, 240, 0.78);
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.7;
}

.page-faq .faq-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq .faq-contact__item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-neon);
  padding-top: 4px;
}

.page-faq .faq-contact__value {
  color: var(--c-white);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.5;
  word-break: break-word;
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 48px) 0 64px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-faq .faq-hero__title {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
  }

  .page-faq .faq-body {
    padding-top: 72px;
    padding-bottom: 104px;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
    gap: 48px;
  }

  .page-faq .faq-tabs__list,
  .page-faq .faq-cats {
    top: calc(var(--header-h) + 8px);
  }

  .page-faq .faq-cats {
    border-radius: 999px;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-section {
    scroll-margin-top: calc(var(--header-h) + 96px);
  }

  .page-faq .faq-item__summary {
    padding: 22px 24px;
  }

  .page-faq .faq-item__q {
    font-size: 1.0625rem;
  }

  .page-faq .faq-item__answer {
    padding: 0 24px 24px 68px;
    font-size: 0.96875rem;
  }

  .page-faq .faq-support__inner {
    grid-template-columns: 0.7fr 1.3fr;
    gap: 60px;
  }

  .page-faq .faq-support {
    scroll-margin-top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__inner {
    gap: 72px;
  }

  .page-faq .faq-hero__lede {
    font-size: 1.125rem;
  }

  .page-faq .faq-layout {
    gap: 64px;
  }

  .page-faq .faq-contact__item {
    grid-template-columns: 120px 1fr;
  }
}