.page-faq {
  --faq-offset: 5.5rem;
  --faq-accent: var(--neon-cyan);
  position: relative;
  background:
    radial-gradient(85% 52% at 88% -6%, rgba(139, 108, 255, 0.16), transparent 62%),
    radial-gradient(70% 44% at 2% 6%, rgba(56, 242, 225, 0.1), transparent 58%),
    var(--void-indigo);
  color: var(--warm-paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 225, 0.35);
}

.page-faq a:hover,
.page-faq a:focus-visible {
  border-bottom-color: var(--neon-cyan);
}

.page-faq :focus-visible {
  outline: 2px solid var(--focus-gold);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 5vw, 3.25rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: end;
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--parchment-muted);
  margin: 0 0 0.9rem;
}

.page-faq .faq-hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
  max-width: 22ch;
}

.page-faq .faq-hero-title em {
  font-style: normal;
  color: var(--neon-cyan);
  text-shadow: 0 0 24px rgba(56, 242, 225, 0.28);
}

.page-faq .faq-hero-lede {
  max-width: 34rem;
  margin: 0 0 1.25rem;
  color: var(--parchment-muted);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.page-faq .faq-hero-meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
}

.page-faq .faq-hero-meta .data {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--signal-green);
  border: 1px solid rgba(141, 255, 178, 0.35);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sharp);
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2.5rem;
  }

  .page-faq .faq-hero-vertical {
    display: block;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.28em;
    color: var(--slate-line);
    border-left: 1px solid var(--line-soft);
    padding-left: 0.9rem;
    margin: 0;
  }
}

/* ---------- 四区速查带 ---------- */
.page-faq .faq-quickband {
  padding: clamp(2rem, 5vw, 3.25rem) 0;
  background: linear-gradient(180deg, var(--deep-blue) 0%, rgba(13, 24, 48, 0.3) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .quickband-head {
  max-width: 40rem;
  margin: 0 0 clamp(1.25rem, 3.5vw, 2rem);
}

.page-faq .quickband-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.6vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
}

.page-faq .quickband-head p {
  margin: 0;
  color: var(--parchment-muted);
  font-size: 0.9375rem;
}

.page-faq .quickband-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
  overflow: hidden;
  margin: 0 0 clamp(1.25rem, 3.5vw, 2rem);
}

.page-faq .quick-card {
  position: relative;
  display: grid;
  gap: 0.35rem;
  min-height: 44px;
  padding: 1.1rem 1.15rem 1.3rem;
  background: var(--void-indigo);
  color: var(--warm-paper);
  border-bottom: 0;
  transition: background 0.24s var(--ease);
}

.page-faq .quick-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--neon-cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.28s var(--ease);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  background: rgba(56, 242, 225, 0.08);
  border-bottom: 0;
}

.page-faq .quick-card:hover::after,
.page-faq .quick-card:focus-visible::after {
  transform: scaleY(1);
}

.page-faq .quick-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--neon-cyan);
}

.page-faq .quick-label {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-faq .quick-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--parchment-muted);
}

.page-faq .quickband-media {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sharp);
  overflow: hidden;
  background: var(--deep-blue);
}

.page-faq .quickband-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 720px) {
  .page-faq .quickband-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .quickband-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-main {
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.page-faq .faq-section {
  --faq-accent: var(--neon-cyan);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding: clamp(1.75rem, 4.5vw, 2.75rem) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 7rem;
}

.page-faq .faq-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-section--purple {
  --faq-accent: var(--electric-purple);
}

.page-faq .faq-section--orange {
  --faq-accent: var(--signal-orange);
}

.page-faq .faq-zone-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--faq-accent);
  border-bottom: 2px solid var(--faq-accent);
  padding-bottom: 0.35rem;
  margin-bottom: 0.9rem;
}

.page-faq .faq-section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2.2rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
  max-width: 18ch;
}

.page-faq .faq-section-note {
  margin: 0;
  color: var(--parchment-muted);
  font-size: 0.9375rem;
  max-width: 24rem;
}

.page-faq .faq-body {
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.page-faq .faq-figure {
  margin: 0;
  padding: 0;
  max-width: 15rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sharp);
  overflow: hidden;
  background: var(--deep-blue);
}

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

.page-faq .faq-figure figcaption {
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--parchment-muted);
  padding: 0.55rem 0.7rem;
  border-top: 1px solid var(--line-soft);
}

@media (min-width: 900px) {
  .page-faq .faq-section {
    grid-template-columns: minmax(14rem, 4fr) minmax(0, 8fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
    scroll-margin-top: 6.5rem;
  }

  .page-faq .faq-section-head {
    position: sticky;
    top: var(--faq-offset);
    align-self: start;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-body {
    grid-template-columns: 13rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
  }

  .page-faq .faq-figure {
    max-width: 13rem;
  }
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 0.7rem;
  min-width: 0;
}

.page-faq .faq-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
  background: rgba(13, 24, 48, 0.55);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(100, 112, 140, 0.7);
  background: rgba(13, 24, 48, 0.88);
  box-shadow: inset 3px 0 0 var(--faq-accent);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  min-height: 44px;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--warm-paper);
}

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

.page-faq .faq-q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1.2;
  color: var(--faq-accent);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(45deg);
}

.page-faq .faq-q-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--faq-accent);
}

.page-faq .faq-a {
  padding: 0 1.1rem 1.2rem;
  max-width: 40rem;
  color: var(--parchment-muted);
  font-size: 0.9375rem;
  line-height: 1.85;
}

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

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

.page-faq .faq-a strong {
  color: var(--warm-paper);
  font-weight: 600;
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0 0 0.8rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: start;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.9;
  color: var(--faq-accent);
  border-left: 2px solid var(--line-strong);
  padding-left: 0.5rem;
}

.page-faq .faq-terms {
  margin: 0 0 0.8rem;
  display: grid;
  gap: 0.2rem;
}

.page-faq .faq-terms dt {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--warm-paper);
  padding-top: 0.3rem;
}

.page-faq .faq-terms dd {
  margin: 0 0 0.45rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed rgba(100, 112, 140, 0.3);
}

.page-faq .faq-terms dd:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

/* ---------- 联系值班编辑 ---------- */
.page-faq .faq-contact-card {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.15rem, 3.5vw, 1.85rem);
  border: 1px solid rgba(255, 90, 54, 0.38);
  border-radius: var(--radius-sharp);
  background: linear-gradient(140deg, rgba(255, 90, 54, 0.1) 0%, rgba(13, 24, 48, 0.9) 62%);
  min-width: 0;
}

.page-faq .faq-contact-list {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.page-faq .faq-contact-row {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(100, 112, 140, 0.28);
}

.page-faq .faq-contact-row:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-contact-row dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--signal-orange);
}

.page-faq .faq-contact-row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.7rem;
  min-width: 0;
}

.page-faq .faq-contact-value {
  font-size: 0.9375rem;
  color: var(--warm-paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-copy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  min-height: 32px;
  padding: 0.3rem 0.7rem;
  color: var(--warm-paper);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sharp);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(56, 242, 225, 0.08);
}

.page-faq .faq-contact-tips {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-faq .faq-contact-tips p {
  margin: 0;
  color: var(--parchment-muted);
  font-size: 0.9375rem;
}

.page-faq .faq-contact-link.btn {
  justify-self: start;
  border-bottom: 0;
  margin-top: 0.35rem;
}

@media (min-width: 760px) {
  .page-faq .faq-contact-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.75rem;
    align-items: start;
  }
}

/* ---------- 延伸阅读 ---------- */
.page-faq .faq-more {
  padding: 0 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-faq .faq-more-inner {
  padding: clamp(1.4rem, 4vw, 2.25rem);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--electric-purple);
  border-radius: var(--radius-sharp);
  background: linear-gradient(120deg, rgba(139, 108, 255, 0.12), rgba(7, 11, 22, 0.5) 70%);
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-more-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-faq .faq-more-inner p {
  margin: 0;
  max-width: 38rem;
  color: var(--parchment-muted);
  font-size: 0.9375rem;
}

.page-faq .faq-more-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.35rem;
}

.page-faq .faq-more-actions .btn {
  border-bottom: 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-faq .faq-more-actions .btn--ghost {
  border: 1px solid var(--line-strong);
  color: var(--parchment-muted);
  background: transparent;
}

.page-faq .faq-more-actions .btn--ghost:hover,
.page-faq .faq-more-actions .btn--ghost:focus-visible {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  background: rgba(56, 242, 225, 0.08);
}

/* ---------- 降级与响应保护 ---------- */
@media (max-width: 420px) {
  .page-faq .faq-q {
    padding: 0.9rem 0.9rem;
    font-size: 0.9375rem;
  }

  .page-faq .faq-a {
    padding: 0 0.9rem 1rem;
  }

  .page-faq .faq-steps li {
    grid-template-columns: 1.8rem minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transform: none !important;
  }
}