.page-faq {
  --faq-rail-w: 208px;
  --faq-hair: rgba(200,164,74,.16);
  --faq-hair-soft: rgba(200,164,74,.28);
  position: relative;
  background-color: var(--ink-800);
  background-image:
    linear-gradient(180deg, var(--ink-900) 0%, rgba(7,26,22,0) 360px),
    repeating-linear-gradient(90deg, rgba(200,164,74,.055) 0 1px, transparent 1px 160px);
  color: var(--cream);
  padding-bottom: clamp(56px, 9vw, 118px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
  padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 6vw, 78px);
}

.page-faq .faq-hero__copy {
  min-width: 0;
}

.page-faq .faq-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(29px, 4.4vw, 50px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--cream);
  margin: 12px 0 0;
}

.page-faq .faq-hero__lead {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.88;
  color: var(--paper);
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 36em;
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gold-line);
  background-color: rgba(11,43,36,.55);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  transition: border-color .3s var(--ease), background-color .3s var(--ease), color .3s var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--gold);
  background-color: rgba(200,164,74,.14);
  color: var(--gold-light);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gold-line);
  box-shadow: 0 30px 70px -40px rgba(7,26,22,.9);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
  padding-top: clamp(26px, 4vw, 52px);
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-main {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(48px, 7vw, 96px);
  scroll-margin-top: 120px;
}

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

.page-faq .faq-group__head {
  position: relative;
  padding-bottom: 18px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 64px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-group__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 10px;
}

.page-faq .faq-group__title {
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.5vw, 30px);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: -0.005em;
  color: var(--cream);
  margin: 0;
}

.page-faq .faq-group__note {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 10px 0 0;
  max-width: 46em;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--faq-hair);
}

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

.page-faq .faq-item__summary {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 0 14px;
  padding: clamp(20px, 2.5vw, 28px) 0;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-item__summary::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 12%;
  bottom: 12%;
  width: 2px;
  border-radius: 2px;
  background: var(--wine);
  opacity: 0;
  transition: opacity .3s var(--ease);
}

.page-faq .faq-item[open] > .faq-item__summary::before {
  opacity: 1;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  line-height: 1.9;
  padding-top: 3px;
}

.page-faq .faq-item__q {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.75vw, 21px);
  font-weight: 600;
  line-height: 1.62;
  color: var(--cream);
  transition: color .3s var(--ease);
}

.page-faq .faq-item__summary:hover .faq-item__q,
.page-faq .faq-item__summary:focus-visible .faq-item__q {
  color: var(--gold-light);
}

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 9px;
  flex: none;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

.page-faq .faq-item__mark::after {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__answer {
  padding-bottom: clamp(20px, 2.5vw, 30px);
}

.page-faq .faq-item__answer p {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.15vw, 16px);
  line-height: 1.92;
  color: var(--paper);
  margin: 0;
  max-width: 40em;
}

.page-faq .faq-item__answer a {
  color: var(--gold-light);
  text-decoration: underline;
  text-decoration-color: var(--gold-line);
  text-underline-offset: 3px;
  transition: color .3s var(--ease), text-decoration-color .3s var(--ease);
}

.page-faq .faq-item__answer a:hover,
.page-faq .faq-item__answer a:focus-visible {
  color: var(--gold);
  text-decoration-color: var(--gold);
}

/* ---------- 章节内插图 ---------- */
.page-faq .faq-figure {
  margin: clamp(26px, 3.5vw, 40px) 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gold-line);
}

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

/* ---------- 收尾追问区 ---------- */
.page-faq .faq-group--cta {
  margin-bottom: 0;
}

.page-faq .faq-cta {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gold-line);
  background-image: linear-gradient(148deg, var(--ink-700) 0%, var(--ink-900) 78%);
  padding: clamp(26px, 4vw, 48px);
  overflow: hidden;
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid var(--gold-line);
  pointer-events: none;
}

.page-faq .faq-cta__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-faq .faq-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.4vw, 29px);
  font-weight: 600;
  line-height: 1.44;
  color: var(--cream);
  margin: 0;
}

.page-faq .faq-cta__text {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.15vw, 16px);
  line-height: 1.9;
  color: var(--paper);
  margin: 16px 0 0;
  max-width: 42em;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-cta__data {
  margin-top: clamp(24px, 3.5vw, 36px);
  border-top: 1px solid var(--faq-hair);
  padding-top: clamp(16px, 2.5vw, 22px);
}

.page-faq .faq-cta__data .data-list__key {
  color: var(--muted);
  font-size: 13px;
}

.page-faq .faq-cta__data .data-list__val {
  color: var(--cream);
  font-size: 15px;
}

/* ---------- 右侧问题索引 ---------- */
.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-rail__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
  margin: 0 0 18px;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__link {
  position: relative;
  display: block;
  padding: 9px 0 9px 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color .3s var(--ease);
}

.page-faq .faq-rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-line);
  transform: translateY(-50%);
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible,
.page-faq .faq-rail__link.is-active {
  color: var(--gold-light);
}

.page-faq .faq-rail__link:hover::before,
.page-faq .faq-rail__link:focus-visible::before {
  background: var(--gold-line-strong);
}

.page-faq .faq-rail__link.is-active::before {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200,164,74,.18);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-item__answer {
    padding-left: clamp(64px, 13%, 148px);
  }

  .page-faq .faq-figure {
    max-width: 82%;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(36px, 5vw, 76px);
    padding-top: clamp(32px, 4vw, 60px);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) var(--faq-rail-w);
    gap: clamp(40px, 4vw, 72px);
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 128px;
    padding-left: 22px;
    border-left: 1px solid var(--faq-hair);
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-item__q,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-item__summary::before,
  .page-faq .faq-rail__link,
  .page-faq .faq-rail__link::before,
  .page-faq .faq-item__answer a {
    transition: none;
  }
}
<<<END>>>