.page-faq {
  --faq-rail-w: 236px;
  --faq-gap: clamp(32px, 4.5vw, 72px);
  --faq-tint-gold: rgba(217, 178, 76, 0.14);
  --faq-tint-heart: rgba(196, 43, 56, 0.12);
}

/* ---------- 首屏 ---------- */

.page-faq .page-faq__hero {
  padding-block: clamp(24px, 4.5vw, 48px) clamp(16px, 2.6vw, 28px);
}

.page-faq .page-faq__title {
  max-width: 17em;
  margin-block: 12px 18px;
}

.page-faq .page-faq__lede {
  max-width: 42em;
}

.page-faq .page-faq__hero-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  margin-bottom: 22px;
}

.page-faq .page-faq__chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 12px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
  color: var(--c-stone);
  background: rgba(22, 56, 46, 0.7);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

/* ---------- 主体布局 ---------- */

.page-faq .page-faq__body {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .page-faq__rail {
  margin-bottom: 30px;
}

.page-faq .page-faq__rail-title {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-amber);
  margin-bottom: 12px;
}

.page-faq .page-faq__rail-list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 2px 12px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .page-faq__rail-list > li {
  flex: 0 0 auto;
  margin: 0;
}

.page-faq .page-faq__rail-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--c-cream);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  background: linear-gradient(180deg, rgba(22, 56, 46, 0.96), rgba(13, 42, 34, 0.96));
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .page-faq__rail-link:hover {
  color: #ffffff;
  border-color: var(--line-gold);
  background: linear-gradient(180deg, rgba(196, 43, 56, 0.3), rgba(22, 56, 46, 0.96));
}

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

.page-faq .page-faq__rail-count {
  font-family: var(--font-data);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--c-amber);
  padding: 1px 6px;
  border: 1px solid var(--line-gold);
  border-radius: 2px;
}

.page-faq .page-faq__rail-note {
  max-width: 32em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-stone);
}

/* ---------- 内容流 ---------- */

.page-faq .page-faq__stream {
  counter-reset: faq;
  min-width: 0;
}

.page-faq .page-faq__group {
  scroll-margin-top: clamp(24px, 8vw, 104px);
}

.page-faq .page-faq__group + .page-faq__group {
  margin-top: clamp(44px, 6vw, 76px);
  padding-top: clamp(30px, 4vw, 52px);
  border-top: 1px solid var(--line-faint);
}

.page-faq .page-faq__group-tag {
  display: inline-block;
  padding: 4px 11px;
  margin-bottom: 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-felt-deep);
  background: var(--c-amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
}

.page-faq .page-faq__group-title {
  max-width: 19em;
  margin-bottom: 12px;
}

.page-faq .page-faq__group-note {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-stone);
  margin-bottom: 24px;
}

.page-faq .page-faq__figure {
  margin: 0 0 26px;
}

/* ---------- 折叠问答 ---------- */

.page-faq .page-faq__qa {
  display: grid;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line-gold);
}

.page-faq .qa {
  counter-increment: faq;
  background: rgba(22, 56, 46, 0.62);
  border-left: 2px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .qa:hover {
  border-left-color: rgba(201, 162, 74, 0.6);
}

.page-faq .qa[open] {
  border-left-color: var(--c-heart);
  background: linear-gradient(135deg, var(--faq-tint-gold), var(--faq-tint-heart) 55%, rgba(16, 46, 38, 0.94));
}

.page-faq .qa__summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-height: 48px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--c-cream);
}

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

.page-faq .qa__summary::before {
  content: counter(faq, decimal-leading-zero);
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--c-amber);
}

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

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

.page-faq .qa__mark {
  flex: 0 0 auto;
  align-self: center;
  width: 10px;
  height: 10px;
  margin-left: auto;
  border-right: 2px solid var(--c-amber);
  border-bottom: 2px solid var(--c-amber);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(-135deg);
}

.page-faq .qa__answer {
  margin-inline: 18px;
  padding: 10px 0 20px 28px;
  border-left: 1px solid var(--line-gold);
}

.page-faq .qa__answer p {
  max-width: 42em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-stone);
}

.page-faq .qa__answer a {
  color: var(--c-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__answer a:hover {
  color: var(--c-cream);
}

/* ---------- 兜底区块 ---------- */

.page-faq .page-faq__escalate {
  display: grid;
  gap: 20px;
}

.page-faq .page-faq__escalate-card {
  padding: clamp(20px, 3vw, 30px);
}

.page-faq .page-faq__card-title {
  font-size: 19px;
  line-height: 1.45;
  margin-bottom: 16px;
}

.page-faq .page-faq__prep-list {
  margin: 0 0 22px;
  padding-left: 1.15em;
  display: grid;
  gap: 10px;
}

.page-faq .page-faq__prep-list li {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--c-stone);
}

.page-faq .page-faq__prep-list li::marker {
  font-family: var(--font-data);
  color: var(--c-orange);
}

.page-faq .page-faq__escalate-side {
  padding-top: 4px;
}

.page-faq .page-faq__escalate-side p {
  max-width: 32em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-stone);
}

.page-faq .page-faq__escalate-side a {
  color: var(--c-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .page-faq__escalate-side a:hover {
  color: var(--c-cream);
}

/* ---------- 动效 ---------- */

@media (prefers-reduced-motion: no-preference) {
  .page-faq .qa[open] .qa__answer {
    animation: faq-answer-in 0.18s ease-out;
  }
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 桌面端 ---------- */

@media (min-width: 900px) {
  .page-faq .page-faq__body {
    display: grid;
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq .page-faq__rail {
    position: sticky;
    top: 96px;
    margin-bottom: 0;
  }

  .page-faq .page-faq__rail-list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .page-faq__rail-list > li {
    flex: 1 1 auto;
  }

  .page-faq .page-faq__rail-link {
    width: 100%;
    white-space: normal;
    padding: 10px 14px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  }

  .page-faq .page-faq__rail-note {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--line-faint);
  }

  .page-faq .page-faq__escalate {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 3.5vw, 52px);
    align-items: start;
  }

  .page-faq .page-faq__qa {
    gap: 12px;
  }
}

@media (min-width: 1200px) {
  .page-faq .qa__summary {
    font-size: 17.5px;
    padding: 17px 20px;
  }

  .page-faq .qa__answer {
    margin-inline: 20px;
    padding-left: 32px;
    padding-bottom: 22px;
  }
}
<<<PAGE_CSS_END>>>