.page-faq {
  --faq-gap: clamp(24px, 3.4vw, 40px);
  padding-bottom: clamp(72px, 10vw, 132px);
}

.page-faq .faq-crumbs {
  padding-top: clamp(20px, 4vw, 38px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(26px, 5vw, 54px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-hero__title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(38px, 6.4vw, 80px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--bone);
  margin: 14px 0 0;
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(243, 238, 227, 0.74);
}

.page-faq .faq-hero__meta {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

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

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 11, 13, 0) 44%, rgba(10, 11, 13, 0.6) 100%);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  margin-top: clamp(46px, 7vw, 92px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-index {
  padding-top: 16px;
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 5px 10px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  transition: color var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-faq .faq-index__link .mono {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--bone);
  border-color: var(--line-gold);
  background: rgba(200, 162, 74, 0.09);
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  display: flex;
  flex-direction: column;
  gap: clamp(46px, 6vw, 84px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 116px;
  min-width: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__idx {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(23px, 3vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .faq-group__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 238, 227, 0.66);
  overflow-wrap: break-word;
}

.page-faq .faq-group__qa {
  margin-top: 22px;
}

/* ---------- 三步刻度条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-step {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  background: rgba(35, 39, 43, 0.52);
  font-size: 13px;
  color: var(--bone);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-faq .faq-step b {
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-step:hover {
  border-color: var(--line-gold);
  background: rgba(200, 162, 74, 0.1);
}

/* ---------- 时间戳徽章 ---------- */
.page-faq .faq-stamp {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 18px 0 0;
  padding: 7px 13px;
  border: 1px solid var(--line-gold);
  background: rgba(200, 162, 74, 0.07);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold-light);
}

.page-faq .faq-stamp__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(200, 162, 74, 0.16);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  scroll-margin-top: 118px;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color var(--ease);
}

.page-faq .qa[open] {
  border-bottom-color: var(--line-gold);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 14px;
  gap: 12px;
  align-items: baseline;
  padding: 17px 0;
  list-style: none;
  cursor: pointer;
  color: var(--bone);
  transition: color var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__num {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .qa__text {
  font-size: clamp(15px, 1.7vw, 16.5px);
  font-weight: 500;
  line-height: 1.6;
  overflow-wrap: break-word;
}

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

.page-faq .qa__q:focus-visible {
  outline: 1px solid var(--gold-light);
  outline-offset: 3px;
}

.page-faq .qa__mark {
  position: relative;
  width: 12px;
  height: 12px;
  align-self: center;
  justify-self: end;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 1px;
  background: var(--gold);
  transition: transform var(--ease), background-color var(--ease);
}

.page-faq .qa__mark::after {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__mark::after {
  transform: rotate(0deg);
}

.page-faq .qa[open] .qa__mark::before,
.page-faq .qa[open] .qa__mark::after {
  background: var(--gold-light);
}

.page-faq .qa__a {
  margin: 0 0 20px 46px;
  padding-left: 18px;
  border-left: 1px solid var(--line-gold);
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 238, 227, 0.68);
  overflow-wrap: break-word;
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a strong {
  color: var(--bone);
  font-weight: 600;
}

.page-faq .qa__a a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: border-color var(--ease), color var(--ease);
}

.page-faq .qa__a a:hover {
  color: var(--bone);
  border-bottom-color: var(--gold-light);
}

/* ---------- 自助清单 ---------- */
.page-faq .faq-selfcheck {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 13px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 238, 227, 0.72);
  transition: background-color var(--ease), border-color var(--ease);
}

.page-faq .faq-checklist li:hover {
  background: rgba(200, 162, 74, 0.06);
  border-bottom-color: var(--line-gold);
}

.page-faq .faq-checklist strong {
  color: var(--bone);
  font-weight: 600;
}

.page-faq .faq-check {
  width: 14px;
  height: 14px;
  margin-top: 6px;
  border: 1px solid var(--gold);
  transition: background-color var(--ease);
}

.page-faq .faq-checklist li:hover .faq-check {
  background: var(--gold);
}

.page-faq .faq-selfcheck__media {
  margin: 0;
}

.page-faq .faq-selfcheck__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

/* ---------- 收束行动区 ---------- */
.page-faq .faq-cta {
  margin-top: 30px;
  padding: 22px clamp(18px, 3vw, 28px);
  border: 1px solid var(--line-gold);
  background:
    linear-gradient(118deg, rgba(200, 162, 74, 0.11), rgba(10, 11, 13, 0) 64%),
    rgba(35, 39, 43, 0.5);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.page-faq .faq-cta p {
  flex: 1 1 240px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bone);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 840px) {
  .page-faq .faq-selfcheck {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: end;
  }

  .page-faq .faq-hero__media img {
    aspect-ratio: 5 / 6;
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-body {
    grid-template-columns: 226px minmax(0, 1fr);
    gap: clamp(34px, 4vw, 68px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 118px;
    max-height: calc(100vh - 156px);
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 1px;
  }

  .page-faq .faq-index__link {
    border-color: transparent;
    border-left: 1px solid var(--line-soft);
    padding: 5px 8px 5px 11px;
  }
}

@media (max-width: 560px) {
  .page-faq .qa__q {
    grid-template-columns: 38px minmax(0, 1fr) 12px;
    gap: 10px;
    padding: 15px 0;
  }

  .page-faq .qa__a {
    margin-left: 12px;
    padding-left: 14px;
  }

  .page-faq .faq-step {
    padding: 8px 12px;
    font-size: 12.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .qa__q,
  .page-faq .qa__a a,
  .page-faq .faq-index__link,
  .page-faq .faq-step,
  .page-faq .faq-checklist li,
  .page-faq .faq-check {
    transition: none;
  }
}