.page-faq {
  --faq-rail-w: 220px;
  --faq-gold-line: linear-gradient(90deg, rgba(201, 163, 86, 0) 0%, #C9A356 30%, #E6C87B 70%, rgba(201, 163, 86, 0) 100%);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  line-height: 1.85;
}

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

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

.page-faq .cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 30px) 0 0;
  background:
    radial-gradient(88% 68% at 84% -8%, rgba(31, 74, 61, 0.62) 0%, rgba(14, 42, 36, 0) 64%),
    linear-gradient(180deg, #0B211C 0%, var(--ink) 100%);
}

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

.page-faq .faq-hero__eyebrow {
  color: var(--gold-lit);
  letter-spacing: 0.22em;
}

.page-faq .faq-hero__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 16px 0 0;
  max-width: 20ch;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 50ch;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.78);
}

.page-faq .faq-hero__actions {
  margin-top: 28px;
}

.page-faq .faq-hero__media {
  margin-top: 44px;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-hero__media img {
  width: 100%;
  height: clamp(180px, 32vw, 380px);
  object-fit: cover;
  filter: saturate(0.7) contrast(1.06) brightness(0.82);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 42, 36, 0.35) 0%, rgba(14, 42, 36, 0.05) 45%, rgba(14, 42, 36, 0.6) 100%);
  pointer-events: none;
}

/* ============ 三条线索 ============ */
.page-faq .faq-tri {
  padding: clamp(52px, 8vw, 96px) 0;
  background: var(--ink);
}

.page-faq .faq-tri__head .h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.3;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-faq .faq-tri__lede {
  margin-top: 16px;
  max-width: 52ch;
  color: rgba(244, 239, 230, 0.7);
}

.page-faq .tri-list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: tri;
}

.page-faq .tri-step {
  position: relative;
  padding: 24px 20px 26px 22px;
  border-left: 1px solid var(--hair);
  background: linear-gradient(90deg, rgba(31, 74, 61, 0.28) 0%, rgba(31, 74, 61, 0) 78%);
}

.page-faq .tri-step::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 26px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.page-faq .tri-step__num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .tri-step__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.5;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-faq .tri-step__body {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.72);
}

/* ============ 场景索引 + 手风琴 ============ */
.page-faq .faq-scenes {
  padding: clamp(52px, 8vw, 100px) 0;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 22%, var(--ink-2) 78%, var(--ink) 100%);
}

.page-faq .faq-scenes__head .h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.3;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-faq .faq-scenes__lede {
  margin-top: 16px;
  max-width: 52ch;
  color: rgba(244, 239, 230, 0.7);
}

.page-faq .faq-split {
  display: grid;
  gap: 28px;
  margin-top: 44px;
}

.page-faq .rail__title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 16px;
}

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

.page-faq .rail__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px 11px 16px;
  border-left: 2px solid transparent;
  color: rgba(244, 239, 230, 0.7);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .rail__link:hover,
.page-faq .rail__link:focus-visible {
  color: var(--gold-lit);
  border-left-color: var(--hair);
  background: rgba(31, 74, 61, 0.4);
}

.page-faq .rail__link[aria-current="true"] {
  color: var(--gold-lit);
  border-left-color: var(--gold);
  background: rgba(31, 74, 61, 0.5);
}

.page-faq .rail__count {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-faq .scene-block {
  padding: 0 0 34px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--hair-soft);
}

.page-faq .scene-block:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .scene-block__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 6px;
}

.page-faq .scene-block__icon {
  flex: none;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--gold);
  border: 1px solid var(--hair);
  clip-path: var(--clip-cut-sm);
  background: rgba(31, 74, 61, 0.4);
}

.page-faq .scene-block__icon svg {
  width: 20px;
  height: 20px;
}

.page-faq .scene-block__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.4;
  margin: 0;
  color: var(--paper);
}

.page-faq .scene-block__count {
  margin: 2px 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-faq .acc-list {
  margin-top: 18px;
  border-top: 1px solid var(--hair-soft);
}

.page-faq .acc {
  border-bottom: 1px solid var(--hair-soft);
  transition: background 0.28s var(--ease);
}

.page-faq .acc[open] {
  background: linear-gradient(90deg, rgba(201, 163, 86, 0.09) 0%, rgba(201, 163, 86, 0) 62%);
}

.page-faq .acc__q {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 14px;
  padding: 19px 6px 19px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .acc__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: var(--gold-grad);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}

.page-faq .acc[open] .acc__q::before {
  opacity: 1;
}

.page-faq .acc__q:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .acc__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  padding-top: 4px;
}

.page-faq .acc__label {
  font-size: 16px;
  line-height: 1.72;
  color: var(--paper);
  transition: color 0.25s var(--ease);
}

.page-faq .acc[open] .acc__label,
.page-faq .acc__q:hover .acc__label {
  color: var(--gold-lit);
}

.page-faq .acc__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  align-self: center;
}

.page-faq .acc__mark::before,
.page-faq .acc__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
}

.page-faq .acc__mark::before {
  width: 13px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .acc__mark::after {
  width: 1.5px;
  height: 13px;
  transform: translate(-50%, -50%);
  transition: transform 0.28s var(--ease), opacity 0.28s var(--ease);
}

.page-faq .acc[open] .acc__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .acc__a {
  padding: 0 6px 24px 42px;
}

.page-faq .acc__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.92;
  color: rgba(244, 239, 230, 0.74);
}

/* ============ 使用指南 ============ */
.page-faq .faq-guide {
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--paper);
  color: var(--ink-2);
}

.page-faq .faq-guide__grid {
  display: grid;
  gap: 36px;
}

.page-faq .faq-guide__eyebrow {
  color: var(--clay);
}

.page-faq .faq-guide__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 3.8vw, 42px);
  line-height: 1.28;
  margin: 14px 0 0;
  color: var(--ink);
  max-width: 22ch;
}

.page-faq .faq-guide__body {
  margin: 18px 0 0;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.9;
  color: #3C4A44;
}

.page-faq .guide-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .guide-points li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: #3C4A44;
}

.page-faq .guide-points__num {
  font-family: var(--mono);
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--clay);
  min-width: 2.6em;
}

.page-faq .faq-guide__actions {
  margin-top: 30px;
}

.page-faq .faq-guide__figure {
  margin: 0;
  position: relative;
}

.page-faq .faq-guide__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: var(--clip-cut);
  background: #E8E1D4;
}

.page-faq .faq-guide__caption {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

/* ============ 两步客服 ============ */
.page-faq .faq-support {
  padding: clamp(56px, 8vw, 104px) 0 clamp(60px, 9vw, 120px);
  background:
    radial-gradient(80% 60% at 12% 0%, rgba(122, 35, 32, 0.32) 0%, rgba(14, 42, 36, 0) 62%),
    var(--ink);
}

.page-faq .faq-support__head .h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.3;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-faq .faq-support__lede {
  margin-top: 16px;
  max-width: 54ch;
  color: rgba(244, 239, 230, 0.7);
}

.page-faq .support-steps {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .support-node {
  position: relative;
  padding: 28px 24px 32px;
  background: rgba(31, 74, 61, 0.38);
  border: 1px solid var(--hair);
  clip-path: var(--clip-cut);
}

.page-faq .support-node::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(230, 200, 123, 0.14) 0%, rgba(230, 200, 123, 0) 46%);
  pointer-events: none;
}

.page-faq .support-node__num {
  display: block;
  font-family: var(--mono);
  font-size: 26px;
  letter-spacing: 0.12em;
  color: var(--gold-lit);
  line-height: 1;
}

.page-faq .support-node__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.48;
  margin: 14px 0 0;
  color: var(--paper);
}

.page-faq .support-node__body {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.74);
}

.page-faq .support-conn {
  position: relative;
  height: 44px;
}

.page-faq .support-conn::before {
  content: "";
  position: absolute;
  left: 34px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--gold-grad);
  transform-origin: top center;
  opacity: 0.7;
}

.page-faq .support-conn::after {
  content: "";
  position: absolute;
  left: 30px;
  bottom: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 163, 86, 0.16);
}

.page-faq .faq-support__foot {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--hair-soft);
}

.page-faq .faq-support__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.6);
  max-width: 62ch;
}

.page-faq .faq-support__links {
  margin: 14px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-faq .faq-support__links a {
  color: var(--gold);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid var(--hair);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-support__links a:hover,
.page-faq .faq-support__links a:focus-visible {
  color: var(--gold-lit);
  border-color: var(--gold-lit);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-faq .faq-hero__lede {
    font-size: 17px;
  }

  .page-faq .acc__label {
    font-size: 17px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-guide__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-guide__figure {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-faq .support-steps {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: start;
    gap: 0;
  }

  .page-faq .support-conn {
    width: clamp(40px, 8vw, 110px);
    height: auto;
    align-self: stretch;
    min-height: 120px;
  }

  .page-faq .support-conn::before {
    left: 0;
    right: 0;
    top: 50%;
    bottom: auto;
    height: 1px;
    width: 100%;
    background: var(--faq-gold-line);
  }

  .page-faq .support-conn::after {
    left: auto;
    right: -4px;
    top: calc(50% - 4.5px);
    bottom: auto;
  }

  .page-faq .tri-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--hair);
  }

  .page-faq .tri-step {
    border-left: 0;
    border-right: 1px solid var(--hair-soft);
    padding: 30px 28px 34px 28px;
  }

  .page-faq .tri-step::before {
    left: 28px;
    top: -3px;
  }

  .page-faq .tri-step:last-child {
    border-right: 0;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-split {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: start;
  }

  .page-faq .split__rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-faq .faq-hero__title {
    max-width: 18ch;
  }

  .page-faq .acc__q {
    padding-right: 12px;
  }
}

@media (min-width: 1280px) {
  .page-faq {
    --faq-rail-w: 248px;
  }

  .page-faq .acc__a {
    padding-right: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .acc,
  .page-faq .acc__q::before,
  .page-faq .acc__mark::after,
  .page-faq .rail__link,
  .page-faq .acc__label {
    transition: none;
  }
}