.page-faq {
  --faq-rail-w: 210px;
  --faq-panel: rgba(22, 39, 63, .58);
  --faq-panel-hover: rgba(22, 39, 63, .86);
  background: var(--ink);
  color: var(--text-on-dark);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(2rem, 5vw, 3.75rem) 0 clamp(1.75rem, 4vw, 3rem);
  background:
    radial-gradient(760px 420px at 84% -12%, rgba(217, 164, 65, .2), transparent 66%),
    linear-gradient(180deg, var(--ink-3) 0%, var(--ink) 100%);
  border-bottom: 1px solid rgba(217, 164, 65, .28);
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 1.25rem 0 0;
  padding: .3rem .8rem;
  border: 1px solid rgba(79, 168, 139, .45);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-faq .faq-hero h1 {
  max-width: 20ch;
  margin: .7rem 0 .85rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.6vw, 3.15rem);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: #fff;
}

.page-faq .faq-lede {
  max-width: 42em;
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1.0625rem, 1.7vw, 1.1875rem);
  line-height: 1.85;
  color: var(--text-on-dark);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.75rem;
  margin-top: 1.6rem;
  padding-top: 1.25rem;
  border-top: 1px dashed rgba(107, 91, 69, .6);
}

.page-faq .faq-stat {
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
  font-family: var(--font-body);
  font-size: .9375rem;
  color: rgba(230, 224, 211, .76);
}

.page-faq .faq-stat b {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--amber);
}

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  padding: clamp(2.25rem, 6vw, 4.25rem) 0 clamp(2.75rem, 7vw, 5rem);
  background-color: var(--ink);
  background-image:
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 50%, var(--ink) 100%),
    repeating-linear-gradient(0deg, rgba(107, 91, 69, .07) 0 1px, transparent 1px 92px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-layout > * {
  min-width: 0;
}

/* 左侧导航轴 —— 移动端为横向滚动胶囊 */
.page-faq .faq-rail {
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  margin-bottom: .25rem;
}

.page-faq .faq-rail::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail-list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: .25rem 0 .5rem;
  list-style: none;
}

.page-faq .faq-rail-link {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  white-space: nowrap;
  padding: .5rem .85rem;
  border: 1px solid rgba(107, 91, 69, .55);
  border-radius: var(--radius-pill);
  background: rgba(14, 27, 46, .7);
  color: rgba(230, 224, 211, .72);
  font-family: var(--font-display);
  font-size: .875rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  color: var(--sand);
  border-color: var(--amber);
  background: rgba(217, 164, 65, .1);
}

.page-faq .faq-rail-no {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--amber);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  border-top: 1px solid rgba(107, 91, 69, .45);
}

.page-faq .faq-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .6rem .9rem;
  margin-bottom: clamp(1rem, 3vw, 1.6rem);
}

.page-faq .faq-group-no {
  padding: .1rem .5rem;
  border: 2px solid rgba(217, 164, 65, .55);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3125rem, 3.1vw, 1.8125rem);
  line-height: 1.28;
  letter-spacing: -.008em;
  color: #fff;
}

.page-faq .faq-group-count {
  padding: .12rem .7rem;
  border: 1px solid rgba(168, 216, 200, .45);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  white-space: nowrap;
  color: var(--mist);
}

/* ---------- 问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: .55rem;
  margin: 0;
  padding: 0;
}

.page-faq .faq-item {
  border: 1px solid rgba(107, 91, 69, .5);
  border-left: 3px solid rgba(107, 91, 69, .8);
  border-radius: 4px;
  background: var(--faq-panel);
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--amber);
  background: var(--faq-panel-hover);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  margin: 0;
  padding: clamp(.9rem, 2.4vw, 1.15rem) clamp(.9rem, 2.6vw, 1.4rem);
  border: 0;
  background: none;
  color: var(--text-on-dark);
  font-family: var(--font-display);
  font-size: clamp(.9375rem, 1.6vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color .2s var(--ease);
}

.page-faq .faq-q:hover,
.page-faq .faq-q:focus-visible {
  color: var(--sand);
}

.page-faq .faq-plus {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: .2em;
  border: 2px solid rgba(217, 164, 65, .6);
  border-radius: 50%;
  transition: transform .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .faq-plus::before,
.page-faq .faq-plus::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: var(--amber);
  transform: translate(-50%, -50%);
}

.page-faq .faq-plus::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-q[aria-expanded="true"] .faq-plus {
  transform: rotate(45deg);
  border-color: var(--amber);
  background: rgba(217, 164, 65, .16);
}

.page-faq .faq-a p {
  max-width: 38em;
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(230, 224, 211, .86);
}

.page-faq .faq-a-grid {
  display: grid;
  gap: .9rem;
}

.page-faq .faq-note {
  align-self: start;
  padding-left: .7rem;
  border-left: 2px solid rgba(79, 168, 139, .55);
  font-family: var(--font-mono);
  font-size: .75rem;
  line-height: 1.7;
  letter-spacing: .03em;
  color: rgba(168, 216, 200, .82);
}

.page-faq .faq-copy {
  display: inline-flex;
  align-items: center;
  margin: 0 .12rem;
  padding: .08rem .45rem;
  border: 1px solid rgba(217, 164, 65, .55);
  border-radius: 5px;
  background: rgba(217, 164, 65, .1);
  color: var(--amber);
  font-size: .92em;
  cursor: pointer;
  vertical-align: baseline;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: rgba(217, 164, 65, .24);
  border-color: var(--amber);
}

.page-faq .faq-copy .mono {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(1.4rem, 3.4vw, 2.2rem) 0 0;
}

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

.page-faq .faq-figure .img-caption {
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(168, 216, 200, .82);
}

/* ---------- 底部引导带 ---------- */
.page-faq .faq-cta {
  padding: clamp(2rem, 5.5vw, 3.5rem) 0 clamp(2.5rem, 7vw, 4.5rem);
  background:
    radial-gradient(700px 360px at 12% -10%, rgba(122, 42, 52, .52), transparent 68%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink-3) 100%);
}

.page-faq .faq-cta-card {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background: linear-gradient(140deg, rgba(122, 42, 52, .72), rgba(217, 164, 65, .16) 72%);
  border: 3px solid var(--amber);
  border-radius: var(--radius-card);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, .55);
}

.page-faq .faq-cta-kicker {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .24em;
  color: var(--sand);
}

.page-faq .faq-cta-card h2 {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.2vw, 1.75rem);
  line-height: 1.3;
  color: #fff;
}

.page-faq .faq-cta-card p {
  max-width: 34em;
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-faq .faq-cta-btn {
  justify-self: start;
  white-space: nowrap;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-a-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 168px);
    gap: 1.75rem;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 108px;
    overflow: visible;
    margin-bottom: 0;
    padding-block: .25rem;
    border-right: 1px solid rgba(107, 91, 69, .38);
  }

  .page-faq .faq-rail-list {
    flex-direction: column;
    gap: .1rem;
    padding: 0 1.25rem 0 0;
  }

  .page-faq .faq-rail-link {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    gap: .7rem;
    width: 100%;
    padding: .62rem 0 .62rem .85rem;
    border: 0;
    border-left: 3px solid rgba(107, 91, 69, .6);
    border-radius: 0 10px 10px 0;
    background: none;
  }

  .page-faq .faq-rail-link:hover,
  .page-faq .faq-rail-link:focus-visible {
    border-left-color: var(--amber);
    background: rgba(217, 164, 65, .08);
  }

  .page-faq .faq-rail-no {
    font-size: .8125rem;
  }

  .page-faq .faq-a-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 186px);
    gap: 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-q,
  .page-faq .faq-plus,
  .page-faq .faq-rail-link,
  .page-faq .faq-copy {
    transition: none;
  }
}