.page-faq {
  --faq-cut: polygon(0 14px, 14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  --faq-rail-w: 236px;
  color: var(--bone);
  padding-bottom: clamp(48px, 7vw, 88px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(28px, 4vw, 52px);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: end;
}

.page-faq .faq-hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 7.4vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  color: var(--bone);
}

.page-faq .faq-hero-title span {
  display: block;
}

.page-faq .faq-gilt {
  color: var(--gilt-hi);
}

.page-faq .faq-hero-lead {
  margin: 22px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero-stats {
  margin: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-hero-stats .num {
  font-size: 21px;
  font-weight: 700;
  color: var(--gilt);
  letter-spacing: 0.02em;
}

.page-faq .faq-sep {
  width: 26px;
  height: 1px;
  background: var(--rock-line);
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 1px solid var(--rock-line);
  background: var(--rock-deep);
  clip-path: var(--faq-cut);
  overflow: hidden;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* ---------- 主体：索引 + 章节 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: clamp(44px, 7vw, 92px);
  align-items: start;
}

.page-faq .faq-rail {
  border-bottom: 1px solid var(--rock-line);
  padding-bottom: 14px;
}

.page-faq .faq-rail-title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-faq .faq-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--rock-line);
  color: var(--mist);
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
  clip-path: var(--cut-sm);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-faq .faq-rail-list a .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-faq .faq-rail-list a:hover,
.page-faq .faq-rail-list a:focus-visible {
  color: var(--bone);
  border-color: var(--gilt);
  background: rgba(216, 162, 74, 0.08);
}

.page-faq .faq-rail-status {
  margin: 16px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-rail-status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  background: var(--patina);
  vertical-align: middle;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sections {
  display: grid;
  gap: clamp(38px, 5.5vw, 66px);
  min-width: 0;
}

.page-faq .faq-chapter {
  border-top: 1px solid var(--rock-line);
  padding-top: 24px;
  scroll-margin-top: 112px;
}

.page-faq .faq-chapter-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.page-faq .faq-chapter-num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gilt);
  border: 1px solid rgba(216, 162, 74, 0.4);
  padding: 3px 9px;
  clip-path: var(--cut-sm);
}

.page-faq .faq-chapter h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.6vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--bone);
}

.page-faq .faq-chapter-figure {
  margin: 0 0 22px;
  border: 1px solid var(--rock-line);
  background: var(--rock-deep);
  clip-path: var(--faq-cut);
  overflow: hidden;
}

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

.page-faq .faq-chapter-figure .figure-caption {
  display: block;
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--rock-line);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--rock-line);
  background: linear-gradient(180deg, rgba(23, 26, 32, 0.62), rgba(23, 26, 32, 0));
  transition: background-color 0.25s var(--ease);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 14px;
}

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

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

.page-faq .faq-q {
  flex: 1 1 auto;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--bone);
  transition: color 0.22s var(--ease);
}

.page-faq .faq-item > summary:hover .faq-q,
.page-faq .faq-item > summary:focus-visible .faq-q {
  color: var(--gilt-hi);
}

.page-faq .faq-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  border: 1px solid var(--copper);
  background: transparent;
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-dot {
  background: var(--patina);
  border-color: var(--patina);
  box-shadow: 0 0 0 4px rgba(127, 183, 155, 0.16);
}

.page-faq .faq-a {
  padding: 0 14px 20px;
  max-width: 44em;
  animation: faq-panel-in 0.3s var(--ease);
}

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

.page-faq .faq-a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--mist);
}

.page-faq .faq-a a {
  color: var(--gilt);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 162, 74, 0.42);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

/* ---------- 末段咨询条带 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(52px, 8vw, 100px);
}

.page-faq .faq-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--rock-line);
  background:
    linear-gradient(135deg, rgba(180, 101, 58, 0.18), rgba(13, 14, 17, 0) 58%),
    linear-gradient(0deg, rgba(216, 162, 74, 0.05), rgba(216, 162, 74, 0)),
    var(--rock-deep);
  clip-path: var(--faq-cut);
}

.page-faq .faq-cta-copy h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.6vw, 29px);
  line-height: 1.32;
  margin: 12px 0 14px;
  color: var(--bone);
}

.page-faq .faq-cta-copy p {
  margin: 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-cta-contact {
  margin: 16px 0 0;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--gilt);
  word-break: break-all;
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-faq .faq-chapter-figure {
    margin-bottom: 26px;
  }

  .page-faq .faq-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
    border-bottom: 0;
    border-left: 1px solid var(--rock-line);
    padding: 4px 0 4px 18px;
  }

  .page-faq .faq-rail-list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow-x: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-faq .faq-rail-list a {
    border: 0;
    border-left: 2px solid transparent;
    clip-path: none;
    padding: 9px 10px 9px 12px;
    white-space: normal;
  }

  .page-faq .faq-rail-list a:hover,
  .page-faq .faq-rail-list a:focus-visible {
    border-left-color: var(--gilt);
    background: rgba(216, 162, 74, 0.07);
  }

  .page-faq .faq-rail-status {
    margin-top: 20px;
    padding-left: 12px;
  }
}

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

  .page-faq .faq-rail-list a,
  .page-faq .faq-q,
  .page-faq .faq-dot,
  .page-faq .faq-a a {
    transition: none;
  }
}
<<<END>>>