.page-faq {
  --faq-idx-w: 224px;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.85;
}

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

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb-wrap {
  padding-top: 20px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 32px 0 40px;
  background:
    radial-gradient(110% 90% at 8% 0%, rgba(200, 16, 46, 0.08), transparent 56%),
    radial-gradient(90% 80% at 94% 6%, rgba(201, 162, 39, 0.16), transparent 62%),
    var(--ivory);
  border-bottom: 1px solid var(--mist);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: 420px;
  height: 420px;
  background-image:
    repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(0deg, var(--grid) 0 1px, transparent 1px 8px);
  opacity: 0.55;
  transform: rotate(-6deg);
  pointer-events: none;
  -webkit-mask-image: linear-gradient(140deg, #000, transparent 72%);
  mask-image: linear-gradient(140deg, #000, transparent 72%);
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 6vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 36em;
  font-size: 1rem;
  color: var(--graphite);
}

.page-faq .faq-panel {
  border: 1px solid var(--mist);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.74);
  padding: 20px 22px;
}

.page-faq .faq-panel-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
}

.page-faq .faq-panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-panel-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--mist);
}

.page-faq .faq-panel-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-panel-key {
  font-size: 0.9rem;
  color: var(--graphite);
}

.page-faq .faq-panel-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--red);
}

/* ---------- 路径示意图 ---------- */
.page-faq .faq-route {
  margin: 28px 0 0;
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding-top: 32px;
  padding-bottom: 56px;
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
}

.page-faq .faq-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 15px;
  border: 1px solid var(--mist);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--gold);
  color: var(--red);
  transform: translateY(-2px);
}

.page-faq .faq-index-idx {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--gold-deep);
  transition: color 180ms var(--ease);
}

.page-faq .faq-index-link:hover .faq-index-idx,
.page-faq .faq-index-link:focus-visible .faq-index-idx {
  color: var(--red);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 40px;
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

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

.page-faq .faq-group-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-faq .faq-group-lede {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 0.98rem;
  color: var(--graphite);
}

.page-faq .faq-group-lede .mono {
  color: var(--red);
  font-weight: 700;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--mist);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.66);
  overflow: hidden;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--gold-30);
}

.page-faq .faq-item[open] {
  border-color: var(--gold);
  background: #fff;
  box-shadow: 0 16px 34px -26px rgba(16, 16, 20, 0.6);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 44px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q-idx {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--gold-deep);
  transition: color 180ms var(--ease);
}

.page-faq .faq-item[open] .faq-q-idx {
  color: var(--red);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 9px;
  border-right: 2px solid var(--gold-deep);
  border-bottom: 2px solid var(--gold-deep);
  transform: rotate(45deg);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(-135deg);
  border-color: var(--red);
}

.page-faq .faq-a {
  padding: 4px 18px 20px 46px;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--graphite);
  background: rgba(46, 125, 107, 0.05);
  box-shadow: inset 3px 0 0 var(--celadon);
  animation: faq-drop 340ms var(--ease) both;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a .mono {
  color: var(--red);
  font-weight: 700;
}

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-faq .faq-links .pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 15px;
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms var(--ease);
}

.page-faq .faq-links .pill:hover,
.page-faq .faq-links .pill:focus-visible {
  transform: translateY(-2px);
}

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

/* ---------- 分组内配图 ---------- */
.page-faq .faq-figure-sq {
  margin: 20px 0 0;
}

/* ---------- 收尾坐标带 ---------- */
.page-faq .faq-close {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--ivory);
  padding: 36px 0;
}

.page-faq .faq-close::before {
  content: "";
  position: absolute;
  inset: -40% -6% auto auto;
  width: 360px;
  height: 360px;
  background-image:
    repeating-linear-gradient(90deg, rgba(239, 226, 192, 0.16) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(0deg, rgba(239, 226, 192, 0.16) 0 1px, transparent 1px 8px);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-faq .faq-close-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.page-faq .faq-close-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-close-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-close-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 2px;
  color: var(--mist);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--gold-30);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-close-link:hover,
.page-faq .faq-close-link:focus-visible {
  color: #fff;
  border-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 44px 0 48px;
  }

  .page-faq .faq-a {
    padding-right: 26px;
    padding-left: 56px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-idx-w) minmax(0, 1fr);
    gap: 60px;
    padding-top: 56px;
    padding-bottom: 88px;
  }

  .page-faq .faq-index-inner {
    position: sticky;
    top: calc(var(--bar-h) + 30px);
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 4px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index-link {
    width: 100%;
    min-height: 42px;
    padding: 8px 14px;
    border-color: transparent;
    border-left: 2px solid var(--mist);
    border-radius: var(--r-md);
    background: transparent;
    white-space: normal;
  }

  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    background: rgba(255, 255, 255, 0.72);
    border-left-color: var(--red);
    transform: none;
  }

  .page-faq .faq-figure-sq {
    max-width: 62%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-a {
    animation: none;
  }

  .page-faq .faq-index-link,
  .page-faq .faq-q::after,
  .page-faq .faq-item,
  .page-faq .faq-links .pill,
  .page-faq .faq-close-link {
    transition-duration: 120ms;
  }

  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible,
  .page-faq .faq-links .pill:hover,
  .page-faq .faq-links .pill:focus-visible {
    transform: none;
  }
}