.page-faq {
  --faq-gold-edge: rgba(232, 196, 110, 0.4);
  --faq-violet: rgba(107, 45, 92, 0.44);
  --faq-answer-bg: #171f2d;
  --faq-card: #161e2b;
  overflow-x: clip;
}

/* ===== Hero ===== */
.page-faq-hero {
  padding-top: calc(var(--ticker-h) + var(--header-h) + var(--space-xl));
  padding-bottom: var(--space-xl);
  background-image: radial-gradient(rgba(232, 196, 110, 0.06) 1px, transparent 1px);
  background-size: 22px 22px;
}
.page-faq-hero__grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}
.page-faq-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
}
.page-faq-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0;
  max-width: 12em;
}
.page-faq-hero__title::after {
  content: "";
  display: block;
  width: 84px;
  height: 4px;
  margin-top: var(--space-sm);
  background: var(--color-gold);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.page-faq-hero__title-accent {
  color: var(--color-gold);
  font-weight: 800;
}
.page-faq-hero__desc {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 38em;
  line-height: 1.75;
  font-size: 1rem;
}
.page-faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.page-faq-hero__stat {
  background: var(--color-bg-card);
  border-left: 2px solid var(--color-gold);
  padding: var(--space-sm) var(--space-md);
  min-width: 100px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: var(--shadow-card);
}
.page-faq-hero__num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}
.page-faq-hero__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.page-faq-hero__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}
.page-faq-hero__img-frame {
  position: relative;
  width: min(240px, 70%);
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid var(--border-gold);
  background: radial-gradient(circle at 30% 30%, rgba(232, 196, 110, 0.12), transparent 70%);
  padding: var(--space-sm);
  box-shadow: 6px 6px 0 0 rgba(232, 196, 110, 0.08), 6px 6px 0 1px rgba(232, 196, 110, 0.22), var(--shadow-card);
}
.page-faq-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 2px;
}
.page-faq-hero__caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ===== 快速目录 ===== */
.page-faq-index {
  display: grid;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}
.page-faq-index__card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  border-left: 3px solid var(--color-gold);
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-card);
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.page-faq-index__card:hover,
.page-faq-index__card:focus-visible {
  background: var(--color-bg-graphite);
  transform: translateX(6px);
}
.page-faq-index__card:focus-visible {
  outline: 1px solid var(--color-gold);
  outline-offset: 2px;
}
.page-faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-amber);
  letter-spacing: 0.1em;
}
.page-faq-index__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
}
.page-faq-index__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ===== 手风琴分组 ===== */
.page-faq-group {
  margin-bottom: var(--space-2xl);
  scroll-margin-top: calc(var(--ticker-h) + var(--header-h) + var(--space-md));
}
.page-faq-group__head {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background:
    linear-gradient(100deg, var(--faq-violet), rgba(107, 45, 92, 0.15)),
    repeating-linear-gradient(45deg, rgba(232, 196, 110, 0.04) 0 2px, transparent 2px 6px);
  border-left: 3px solid var(--color-gold);
  margin-bottom: var(--space-md);
}
.page-faq-group__badge {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-gold);
  background: rgba(10, 14, 20, 0.55);
  border: 1px solid var(--border-gold);
  padding: 0.35rem 0.75rem;
  letter-spacing: 0.1em;
}
.page-faq-group__head-text {
  flex: 1;
  min-width: 0;
}
.page-faq-group__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
}
.page-faq-group__desc {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.page-faq-group__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* ===== FAQ 条目 ===== */
.page-faq-item {
  background: var(--color-bg-card);
  border-left: 3px solid var(--color-gold);
  box-shadow: var(--shadow-card);
  scroll-margin-top: calc(var(--ticker-h) + var(--header-h) + var(--space-md));
  transition: background var(--dur-base) var(--ease-out);
}
.page-faq-item[open] {
  background: var(--color-bg-graphite);
}
.page-faq-item__q {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  list-style: none;
  margin: 0;
  transition: background var(--dur-fast) var(--ease-out);
}
.page-faq-item__q:hover {
  background: rgba(232, 196, 110, 0.04);
}
.page-faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq-item__q:focus-visible {
  outline: 1px dashed var(--color-gold);
  outline-offset: -4px;
}
.page-faq-item__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-gold);
  background: rgba(232, 196, 110, 0.12);
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-gold);
}
.page-faq-item__text {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
}
.page-faq-item__icon {
  flex: 0 0 auto;
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
}
.page-faq-item__icon::before,
.page-faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-amber);
  transform: translate(-50%, -50%);
  transition: transform var(--dur-fast) var(--ease-out);
}
.page-faq-item__icon::before {
  width: 0.875rem;
  height: 2px;
}
.page-faq-item__icon::after {
  width: 2px;
  height: 0.875rem;
}
.page-faq-item[open] .page-faq-item__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}
.page-faq-item__a {
  margin: 0;
  padding: var(--space-sm) var(--space-lg) var(--space-lg) calc(var(--space-lg) + 3.75rem);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}
.page-faq-item__a p {
  margin: 0;
}
.page-faq-item__a strong {
  color: var(--color-gold);
  font-weight: 600;
}
.page-faq-inline-link {
  color: var(--color-gold);
  text-decoration: underline;
  text-decoration-color: rgba(232, 196, 110, 0.35);
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease-out);
}
.page-faq-inline-link:hover,
.page-faq-inline-link:focus-visible {
  color: var(--color-amber);
  text-decoration-color: var(--color-amber);
}

/* ===== 底部其他问题 ===== */
.page-faq-help {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-2xl);
}
.page-faq-help__grid {
  display: grid;
  gap: var(--space-lg);
  background: linear-gradient(115deg, var(--color-bg-card) 0%, var(--color-bg-graphite) 100%);
  border: 1px solid var(--border-gold);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}
.page-faq-help__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}
.page-faq-help__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0;
  line-height: 1.3;
}
.page-faq-help__content > p {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 40em;
  line-height: 1.75;
}
.page-faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.page-faq-help__list li {
  padding-left: 1.25rem;
  position: relative;
}
.page-faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.55rem;
  height: 2px;
  background: var(--color-gold);
}
.page-faq-help__content .btn {
  margin-top: var(--space-sm);
}
.page-faq-help__visual {
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}
.page-faq-help__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 响应式 ===== */
@media (min-width: 720px) {
  .page-faq-hero__grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }
  .page-faq-hero__visual {
    justify-self: end;
    align-items: flex-end;
  }
  .page-faq-hero__img-frame {
    width: 300px;
  }
  .page-faq-index {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
  .page-faq-help__grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }
  .page-faq-item__a {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  .page-faq-hero__title {
    font-size: clamp(3rem, 5vw, 4rem);
  }
  .page-faq-group__list {
    gap: var(--space-sm);
  }
  .page-faq-help__grid {
    padding: var(--space-xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}