.page-faq {
  --faq-hair: rgba(78, 143, 107, 0.26);
  --faq-hair-soft: rgba(78, 143, 107, 0.13);
  --faq-seat: rgba(20, 50, 42, 0.55);
  --faq-seat-open: rgba(232, 181, 74, 0.08);

  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(3rem, 7vw, 6rem);
  background:
    radial-gradient(130% 55% at 78% -8%, rgba(232, 181, 74, 0.13), transparent 62%),
    radial-gradient(90% 45% at 4% 14%, rgba(78, 143, 107, 0.15), transparent 60%),
    linear-gradient(180deg, var(--night) 0%, var(--ink) 80%);
  color: var(--cream);
  font-family: var(--font-body);
  line-height: 1.75;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: clamp(1.4rem, 4vw, 2.4rem) 0 0;
  list-style: none;
  font-size: 0.8rem;
  color: var(--text-soft);
}

.page-faq .breadcrumb a {
  color: var(--turf);
  text-decoration: none;
}

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

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--stone);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  padding: clamp(1.4rem, 3vw, 2rem) 0 clamp(1.6rem, 3.5vw, 2.4rem);
}

.page-faq .faq-hero-copy {
  position: relative;
}

.page-faq .faq-hero-side {
  display: none;
}

.page-faq h1 {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .faq-lede {
  max-width: 58ch;
  margin: 0 0 1.4rem;
  color: var(--text-soft);
  font-size: clamp(0.96rem, 2.1vw, 1.05rem);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .frame {
  position: relative;
  display: block;
  overflow: hidden;
  margin: 0;
  border-radius: var(--radius-l);
  background: var(--deep);
}

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

.page-faq .frame-caption {
  position: absolute;
  left: clamp(0.9rem, 2vw, 1.4rem);
  bottom: clamp(0.9rem, 2vw, 1.4rem);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(8, 17, 14, 0.68);
  color: var(--cream);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero-frame {
  aspect-ratio: 8 / 3;
  border: 1px solid var(--faq-hair-soft);
  box-shadow: var(--shadow-lift);
}

/* ---------- 横向主题带 ---------- */
.page-faq .faq-band {
  margin: clamp(0.5rem, 2vw, 1.2rem) 0 clamp(2rem, 5vw, 3.2rem);
  padding: clamp(0.9rem, 2.4vw, 1.4rem) 0;
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
  background: linear-gradient(90deg, var(--moss) 0%, var(--deep) 58%, rgba(8, 17, 14, 0) 100%);
}

.page-faq .faq-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.2rem;
}

.page-faq .faq-band .band-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.26em;
  color: var(--gold);
}

.page-faq .faq-band .band-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.6vw, 1.3rem);
  font-weight: 700;
  color: var(--cream);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .faq-index {
  position: sticky;
  top: 76px;
  z-index: 5;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--faq-hair-soft);
  border-radius: var(--radius-m);
  background: rgba(14, 31, 26, 0.94);
  backdrop-filter: blur(10px);
}

.page-faq .faq-index-title {
  display: none;
}

.page-faq .faq-index-list {
  display: flex;
  gap: 0.45rem;
  margin: 0;
  padding: 0 0 0.15rem;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--faq-hair-soft);
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.82rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-index-list a .num {
  color: var(--stone);
}

.page-faq .faq-index-list a[aria-current="true"] {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--ink);
}

.page-faq .faq-index-list a[aria-current="true"] .num {
  color: var(--ink);
}

.page-faq .num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* ---------- 每一排问答 ---------- */
.page-faq .faq-sec {
  padding: clamp(1.5rem, 4vw, 2.4rem) 0;
  border-top: 1px solid var(--faq-hair-soft);
  scroll-margin-top: 120px;
}

.page-faq .faq-seats > .faq-sec:first-child {
  border-top: none;
  padding-top: 0.4rem;
}

.page-faq .faq-sec-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.35rem 0.9rem;
  margin-bottom: 1.1rem;
}

.page-faq .faq-sec-no {
  font-size: 1.05rem;
  color: var(--gold);
}

.page-faq .faq-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.6vw, 1.95rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cream);
}

.page-faq .faq-sec-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.page-faq .faq-seat-figure {
  aspect-ratio: 10 / 7;
  margin: 0 0 1.3rem;
  border: 1px solid var(--faq-hair-soft);
  border-radius: var(--radius-m);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--faq-hair);
  background: linear-gradient(90deg, var(--faq-seat) 0%, rgba(20, 50, 42, 0) 72%);
  transition: background-color 0.3s var(--ease);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, var(--faq-seat-open) 0%, rgba(242, 163, 60, 0) 82%);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 0.6rem 0.9rem 0.3rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: var(--radius-s);
}

.page-faq .faq-no {
  font-size: 1.02rem;
  color: var(--turf);
  transition: color 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-no {
  color: var(--amber);
}

.page-faq .faq-q {
  margin: 0;
  font-size: clamp(0.98rem, 2.2vw, 1.06rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--cream);
}

.page-faq .faq-mark {
  position: relative;
  width: 0.8rem;
  height: 0.8rem;
  flex: none;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--turf);
}

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

.page-faq .faq-mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-mark::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.page-faq .faq-a {
  max-height: 0;
  padding: 0 1.6rem 0 3.05rem;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s var(--ease), opacity 0.3s var(--ease), padding-bottom 0.3s var(--ease);
}

.page-faq .faq-item[open] .faq-a {
  max-height: 34rem;
  padding-bottom: 1.05rem;
  opacity: 1;
}

.page-faq .faq-a p {
  max-width: 60ch;
  margin: 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.page-faq .faq-item[open] .faq-a p {
  animation: faq-seat-in 0.4s var(--ease) both;
}

@keyframes faq-seat-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  padding-top: clamp(1.8rem, 5vw, 3rem);
}

.page-faq .faq-tail-card {
  position: relative;
  padding: clamp(1.4rem, 4vw, 2.6rem);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, var(--deep) 0%, var(--night) 68%);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}

.page-faq .faq-tail-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--gold), var(--turf));
}

.page-faq .faq-tail-card h2 {
  margin: 0.4rem 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cream);
}

.page-faq .faq-tail-text {
  max-width: 56ch;
  margin: 0 0 1.4rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.page-faq .faq-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-seat-figure {
    max-width: 520px;
  }

  .page-faq .faq-a {
    padding-left: 3.5rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: end;
  }

  .page-faq .faq-hero-frame {
    aspect-ratio: 16 / 9;
  }

  .page-faq .faq-hero-side {
    display: block;
    position: absolute;
    top: 0.2rem;
    right: 0.2rem;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--stone);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 3.6rem);
    align-items: start;
  }

  .page-faq .faq-index {
    top: 112px;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    backdrop-filter: none;
  }

  .page-faq .faq-index-title {
    display: block;
    margin: 0 0 0.9rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--stone);
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--faq-hair-soft);
  }

  .page-faq .faq-index-list a {
    width: 100%;
    padding: 0.55rem 0.9rem;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    margin-left: -1px;
    background: transparent;
  }

  .page-faq .faq-index-list a:hover {
    color: var(--cream);
  }

  .page-faq .faq-index-list a[aria-current="true"] {
    border-left-color: var(--gold);
    background: linear-gradient(90deg, rgba(232, 181, 74, 0.14), rgba(232, 181, 74, 0));
    color: var(--gold);
  }

  .page-faq .faq-index-list a[aria-current="true"] .num {
    color: var(--gold);
  }

  .page-faq .faq-sec-head {
    grid-template-columns: auto 1fr;
  }

  .page-faq .faq-item summary {
    padding: 1rem 0.9rem 1rem 0.45rem;
  }

  .page-faq .faq-a {
    padding-left: 3.7rem;
    padding-right: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-a,
  .page-faq .faq-mark::after,
  .page-faq .faq-index-list a {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-a p {
    animation: none;
  }
}