.page-faq {
  --faq-accent: #D84A2A;
  --faq-green-soft: #E8F0EC;
  --faq-gold-line: #C9A227;
  --faq-blue-panel: #1A3A5C;
  --faq-ink-soft: #4A4840;
  --faq-space-lg: clamp(2rem, 5vw, 4rem);
  background: transparent;
}

.page-faq .faq-shell {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(1.25rem, 4vw, 2.5rem) clamp(1rem, 3vw, 2rem) var(--space-6);
}

.page-faq .breadcrumbs {
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-slate);
  margin-bottom: 1.5rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

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

.page-faq .breadcrumbs a:hover {
  color: var(--color-gold);
}

.page-faq .faq-hero {
  position: relative;
  padding: 2rem 0 2.5rem;
  border-bottom: 1px solid rgba(43, 42, 38, 0.15);
  margin-bottom: 2.5rem;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-gold), var(--color-green));
  border-radius: 2px;
}

.page-faq .faq-hero-index {
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-red-orange);
  margin-bottom: 1rem;
  font-weight: 700;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-ink);
  margin: 0 0 1rem;
  max-width: 34ch;
}

.page-faq .faq-hero-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
  max-width: 58ch;
  margin: 0 0 1.25rem;
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  background: var(--color-cream);
  border: 1px solid rgba(31, 110, 92, 0.3);
  color: var(--color-green);
  font-family: var(--font-index);
  font-size: 0.75rem;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

.page-faq .faq-toc {
  position: sticky;
  top: calc(var(--header-h-mobile) + 1rem);
  background: rgba(245, 240, 232, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(43, 42, 38, 0.08);
  border-radius: var(--radius);
  padding: 1.25rem;
  z-index: 5;
}

.page-faq .faq-toc-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-blue);
  margin-bottom: 0.9rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-toc-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-faq .faq-toc-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: 4px;
  color: var(--color-ink);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-toc-link:hover {
  background: rgba(31, 110, 92, 0.08);
  color: var(--color-green);
}

.page-faq .faq-toc-link:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

.page-faq .faq-toc-num {
  font-family: var(--font-index);
  font-size: 0.75rem;
  color: var(--color-red-orange);
  font-weight: 600;
}

.page-faq .faq-toc-note {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed rgba(106, 122, 138, 0.3);
  font-size: 0.8rem;
  color: var(--color-slate);
  font-family: var(--font-body);
  line-height: 1.5;
}

.page-faq .faq-toc-note p:first-child {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.2rem;
  font-size: 0.85rem;
}

.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: var(--faq-space-lg);
  min-width: 0;
}

.page-faq .faq-chapter {
  scroll-margin-top: calc(var(--header-h-mobile) + 1.5rem);
}

.page-faq .chapter-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(31, 110, 92, 0.3);
}

.page-faq .chapter-index {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-red-orange);
  line-height: 1;
  flex-shrink: 0;
}

.page-faq .chapter-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  font-weight: 700;
  color: var(--color-ink);
  margin: 0 0 0.2rem;
}

.page-faq .chapter-sub {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-slate);
  margin: 0;
}

.page-faq .faq-card {
  position: relative;
  margin-bottom: 1rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(43, 42, 38, 0.1);
  background: #FFFFFF;
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-card:hover {
  border-color: rgba(31, 110, 92, 0.35);
}

.page-faq .faq-card-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.page-faq .faq-qnum {
  font-family: var(--font-index);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-gold);
  background: rgba(201, 162, 39, 0.08);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(201, 162, 39, 0.2);
  white-space: nowrap;
  flex-shrink: 0;
}

.page-faq .faq-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-ink);
  margin: 0;
  line-height: 1.5;
}

.page-faq .faq-card-body {
  padding-left: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--faq-ink-soft);
  line-height: 1.75;
}

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

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

.page-faq .faq-tip {
  position: relative;
  background: var(--faq-green-soft);
  border-left: 3px solid var(--color-green);
  border-radius: 0 4px 4px 0;
  padding: 1rem 0rem;
  margin-top: 1rem;
}

.page-faq .faq-tip-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.page-faq .faq-tip-content { padding-left: 1rem; }

.page-faq .faq-tip p {
  margin: 0;
  line-height: 1.7;
}

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

.page-faq .faq-figure {
  margin: 1.5rem 0;
  background: var(--color-blue);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .image-field {
  width: 100%;
  position: relative;
  overflow: hidden;
  line-height: 0;
}

.page-faq .image-field-faq {
  aspect-ratio: 700 / 450;
}

.page-faq .image-field-flow {
  aspect-ratio: 800 / 400;
}

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

.page-faq .faq-figure figcaption {
  background: rgba(26, 58, 92, 0.96);
  color: rgba(245, 240, 232, 0.8);
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 0.85rem 1.1rem;
  line-height: 1.5;
  border-top: 1px solid rgba(245, 240, 232, 0.1);
}

.page-faq .faq-more .research-card {
  background: rgba(26, 58, 92, 0.03);
  border: 1px dashed rgba(26, 58, 92, 0.35);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
}

.page-faq .research-card-label {
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-green);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-faq .research-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-ink);
  margin: 0 0 0.6rem;
}

.page-faq .research-summary {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--faq-ink-soft);
  margin: 0 0 1.4rem;
  max-width: 45ch;
}

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

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: 5px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.page-faq .btn-primary {
  background: var(--color-gold);
  color: #FFFFFF;
  border-color: var(--color-gold);
}

.page-faq .btn-primary:hover {
  background: #b98f1f;
  border-color: #b98f1f;
}

.page-faq .btn-secondary {
  background: transparent;
  color: var(--color-blue);
  border-color: rgba(26, 58, 92, 0.4);
}

.page-faq .btn-secondary:hover {
  background: rgba(26, 58, 92, 0.06);
  border-color: var(--color-blue);
}

@media (min-width: 768px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 2.5rem;
  }

  .page-faq .faq-toc {
    padding: 1.5rem;
  }

  .page-faq .faq-card-body {
    padding-left: 2.15rem;
  }

  .page-faq .faq-tip {
    padding: 1rem;
  }

  .page-faq .faq-tip-label {
    margin-bottom: 0.3rem;
  }

  .page-faq .faq-more .research-card {
    padding: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 3rem 0 3rem 2rem;
  }

  .page-faq .faq-content {
    gap: calc(var(--faq-space-lg) * 0.8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}