.page-faq {
  --faq-line: 3px solid var(--slate-soft);
  --faq-sticky-top: 96px;
  background: var(--night);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.25rem, 5vw, 3.5rem);
  border-bottom: 3px solid var(--fox);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(255, 77, 26, 0.22) 0%, rgba(255, 77, 26, 0) 58%),
    linear-gradient(168deg, var(--slate) 0%, var(--night) 76%);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-hero__lead {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  margin: 0.65rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--white);
  text-wrap: balance;
}

.page-faq .faq-hero h1 em {
  display: block;
  font-style: normal;
  color: var(--fox);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 42em;
  color: var(--ink-dim);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  padding: 3px;
  background: var(--fox);
  border: 3px solid var(--fox);
  box-shadow: var(--shadow-hard);
  align-self: end;
}

.page-faq .faq-stat {
  background: var(--night);
  padding: 0.9rem 0.95rem 1rem;
  min-width: 0;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.45rem, 4.5vw, 2.1rem);
  line-height: 1;
  color: var(--fox);
}

.page-faq .faq-stat__unit {
  margin-left: 0.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mint);
}

.page-faq .faq-stat p {
  margin: 0.5rem 0 0;
  font-size: 0.79rem;
  line-height: 1.55;
  color: var(--ink-dim);
}

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  padding: clamp(2rem, 5vw, 4rem) 0 clamp(2.5rem, 6vw, 5rem);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  grid-template-columns: minmax(0, 1fr);
}

/* 分类索引 */
.page-faq .faq-index {
  border: var(--faq-line);
  background: var(--slate);
  padding: 1.1rem 1.1rem 1.25rem;
}

.page-faq .faq-index__title {
  margin: 0 0 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.55rem;
  border-left: 3px solid transparent;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.4;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--white);
  border-left-color: var(--fox);
  background: var(--night);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mint);
}

/* 面板区 */
.page-faq .faq-panels {
  display: grid;
  gap: clamp(2rem, 4vw, 3.25rem);
  min-width: 0;
}

.page-faq .faq-cat {
  min-width: 0;
  scroll-margin-top: var(--faq-sticky-top);
}

.page-faq .faq-cat__head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding-bottom: 0.7rem;
  margin-bottom: 1.15rem;
  border-bottom: 3px solid var(--fox);
}

.page-faq .faq-cat__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  line-height: 1;
  color: var(--fox);
}

.page-faq .faq-cat__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.4vw, 1.95rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--white);
}

/* 折叠问答 */
.page-faq .faq-list {
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-item {
  border: var(--faq-line);
  background: var(--slate);
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--fox);
  box-shadow: 6px 6px 0 rgba(201, 52, 0, 0.35);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: clamp(0.94rem, 2vw, 1.02rem);
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--fox);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
  color: var(--fox);
  transition: transform 0.22s ease, background 0.22s ease, color 0.22s ease;
}

.page-faq .faq-item[open] .faq-item__mark {
  background: var(--fox);
  color: var(--night);
  transform: rotate(45deg);
}

.page-faq .faq-item__q {
  min-width: 0;
}

.page-faq .faq-item__a {
  padding: 0 1.05rem 1.1rem 3.4rem;
  font-size: 0.91rem;
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-faq .faq-item__a p {
  margin: 0 0 0.7rem;
}

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

.page-faq .faq-item__a strong {
  color: var(--white);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.page-faq .faq-item__a .num {
  color: var(--mint);
}

.page-faq .faq-item__a a {
  color: var(--fox);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--mint);
}

/* 配图 */
.page-faq .faq-figure {
  margin: 1.4rem 0 0;
  border: var(--faq-line);
  background: var(--night);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 0.7rem 1rem;
  border-top: var(--faq-line);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cool);
}

/* 底部联络块 */
.page-faq .faq-cta {
  margin-top: clamp(0.5rem, 2vw, 1rem);
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 3px solid var(--fox);
  background: linear-gradient(152deg, var(--slate) 0%, var(--night) 88%);
  box-shadow: var(--shadow-hard);
  display: grid;
  gap: 1.4rem;
}

.page-faq .faq-cta h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.6vw, 2.05rem);
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--white);
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.87rem;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-list b {
  display: inline-block;
  min-width: 3rem;
  margin-right: 0.5rem;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cool);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-content: start;
}

/* 滚动显现：仅在 JS 可用时启用 */
.has-js .page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

.has-js .page-faq [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .has-js .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-index__link {
    transition: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item__a {
    padding-left: 3.6rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-figure img {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 3rem;
  }
}

.page-faq {
  --reveal-delay: 0.3s;
}