.page-faq {
  --faq-gold: #FFD700;
  --faq-ink: #0A0A0A;
  --faq-paper: #F5F5F0;
  --faq-royal: #003366;
  --faq-crimson: #8B0000;
  --faq-soft-blue: #E6F0FF;
  --faq-gray-800: #1A1A1A;
  --faq-gray-200: #E0E0E0;
  --faq-white: #FFFFFF;
  --faq-font-sans: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --faq-font-mono: "Roboto Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.page-faq {
  background: var(--faq-paper);
  color: var(--faq-ink);
  font-family: var(--faq-font-sans);
}

.page-faq .faq-hero {
  background: var(--faq-soft-blue);
  border-bottom: 2px solid var(--faq-ink);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding-top: calc(var(--header-h) + 2rem);
  padding-bottom: 3rem;
}

.page-faq .faq-hero__content .section-kicker {
  font-family: var(--faq-font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--faq-royal);
  margin-bottom: 0.5rem;
}

.page-faq .faq-hero__content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem 0;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__content .lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--faq-gray-800);
  max-width: 34rem;
  margin: 0 0 1.5rem 0;
}

.page-faq .faq-hero__img {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--faq-ink);
  box-shadow: 10px 10px 0 var(--faq-royal);
}

.page-faq .faq-quicknav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .faq-quicknav__link {
  padding: 0.5rem 1rem;
  background: var(--faq-white);
  border: 1px solid var(--faq-ink);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--faq-ink);
  box-shadow: 3px 3px 0 var(--faq-royal);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease;
}

.page-faq .faq-quicknav__link:hover {
  transform: translate(3px, 3px);
  box-shadow: none;
  background: var(--faq-royal);
  color: var(--faq-white);
}

.page-faq .faq-section {
  margin-top: 4rem;
}

.page-faq .section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 2px solid var(--faq-ink);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-faq .section-index {
  font-family: var(--faq-font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--faq-royal);
  line-height: 1;
  flex-shrink: 0;
}

.page-faq .section-kicker {
  font-family: var(--faq-font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--faq-gray-800);
}

.page-faq .section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
}

.page-faq .faq-list {
  border-top: 1px solid var(--faq-gray-200);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-gray-200);
  background: var(--faq-white);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

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

.page-faq .faq-item summary:hover {
  background: var(--faq-soft-blue);
}

.page-faq .faq-item[open] summary {
  background: var(--faq-soft-blue);
  border-bottom: 1px solid var(--faq-gray-200);
}

.page-faq .faq-item__mark {
  font-family: var(--faq-font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--faq-gold);
  background: var(--faq-ink);
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 0;
}

.page-faq .faq-item__q {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--faq-ink);
}

.page-faq .faq-item__a {
  padding: 1.25rem 1.5rem 1.5rem 5rem;
  color: var(--faq-gray-800);
  line-height: 1.75;
  font-size: 1rem;
}

.page-faq .faq-item__a p {
  margin: 0 0 0.75rem 0;
}

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

.page-faq .faq-item__a a {
  color: var(--faq-royal);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 600;
}

.page-faq .faq-mobile__grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}

.page-faq .faq-mobile__media img {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--faq-ink);
  box-shadow: 10px 10px 0 var(--faq-gold);
}

.page-faq .faq-notice {
  margin-top: 3rem;
  background: var(--faq-white);
  border: 1px solid var(--faq-royal);
  border-left: 6px solid var(--faq-crimson);
  padding: 1.5rem;
  color: var(--faq-gray-800);
}

@media (min-width: 768px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-mobile__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-faq .faq-mobile__media {
    order: 2;
  }
}