.page-faq {
  --faq-sticky-top: calc(var(--header-h) + 24px);
  --faq-ink-soft: rgba(11, 15, 14, .72);
  background-color: var(--porcelain);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(64px, 9vw, 112px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(28px, 6vw, 68px));
  padding-bottom: clamp(48px, 7vw, 80px);
  background-image:
    radial-gradient(120% 92% at 86% -14%, rgba(201, 162, 74, .22), transparent 62%),
    radial-gradient(90% 80% at 6% 108%, rgba(224, 138, 123, .14), transparent 58%),
    linear-gradient(162deg, var(--night) 0%, var(--moss) 56%, #102E25 100%);
  color: var(--porcelain);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
  opacity: .55;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(20px, 4vw, 34px);
  color: rgba(245, 242, 234, .7);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
}

.page-faq .faq-hero .breadcrumbs a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 242, 234, .28);
  padding-bottom: 1px;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 46px);
}

.page-faq .faq-hero__copy .meta-label {
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 19ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.4vw, 3.25rem);
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.1vw, 1.08rem);
  line-height: 1.85;
  color: rgba(245, 242, 234, .82);
}

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

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(201, 162, 74, .34);
  border-radius: var(--radius);
  box-shadow: 0 26px 62px -42px rgba(0, 0, 0, .9);
}

/* 三步骤引导条 */

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(38px, 6vw, 66px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background-color: rgba(201, 162, 74, .3);
  border: 1px solid rgba(201, 162, 74, .3);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-step {
  display: flex;
  gap: 16px;
  padding: clamp(20px, 3vw, 28px);
  background-color: rgba(22, 56, 46, .78);
}

.page-faq .faq-step__num {
  flex: none;
  padding-top: .35em;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--gold);
}

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

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-step__desc {
  margin: 8px 0 0;
  font-size: .94rem;
  line-height: 1.75;
  color: rgba(245, 242, 234, .72);
}

.page-faq .faq-step__path {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 9px;
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--gold-lit);
  border: 1px solid rgba(201, 162, 74, .42);
  border-radius: var(--radius);
}

/* ---------- 问答区 ---------- */

.page-faq .faq-body {
  padding-top: clamp(56px, 8vw, 96px);
  background-image: radial-gradient(rgba(11, 15, 14, .035) 1px, transparent 1px);
  background-size: 22px 22px;
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

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

.page-faq .faq-index__card {
  padding: 24px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  font-size: .96rem;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  transition: background-color .18s ease, border-color .18s ease, transform .18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background-color: rgba(201, 162, 74, .13);
  border-left-color: var(--gold);
  transform: translateX(2px);
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--stone);
}

.page-faq .faq-rail__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed rgba(11, 15, 14, .14);
}

.page-faq .faq-rail__actions .btn {
  justify-content: center;
  text-align: center;
}

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

/* 筛选条 */

.page-faq .faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: clamp(26px, 3.5vw, 40px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .faq-toolbar .meta-label {
  margin-right: 4px;
  color: var(--stone);
}

.page-faq .faq-chip {
  appearance: none;
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: .84rem;
  line-height: 1.4;
  color: var(--stone);
  background-color: transparent;
  border: 1px solid var(--line-ink);
  border-radius: 999px;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--ink);
  border-color: var(--gold);
  background-color: rgba(201, 162, 74, .12);
}

/* 问答组 */

.page-faq .faq-group {
  margin-bottom: clamp(46px, 6vw, 76px);
  scroll-margin-top: var(--faq-sticky-top);
}

.page-faq .faq-group:last-of-type {
  margin-bottom: clamp(30px, 4vw, 48px);
}

.page-faq .faq-group:target {
  box-shadow: inset 3px 0 0 var(--gold);
  padding-left: 18px;
  margin-left: -18px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(201, 162, 74, .34);
}

.page-faq .faq-group__num {
  flex: none;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

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

.page-faq .faq-group__title {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.3vw, 1.7rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

.page-faq .faq-group__note {
  margin: 8px 0 0;
  font-size: .86rem;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-faq .faq-figure {
  margin: clamp(24px, 3vw, 34px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background-color: var(--paper);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .faq-items {
  margin-top: 6px;
}

/* 折叠问答条目 */

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-ink);
  transition: background-color .2s ease, box-shadow .2s ease;
}

.page-faq .faq-item[open] {
  background-color: rgba(245, 242, 234, .66);
  box-shadow: inset 2px 0 0 var(--gold);
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding: 18px 44px 18px 16px;
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: rotate(45deg);
  transition: transform .2s ease, top .2s ease;
}

.page-faq .faq-item[open] .faq-item__q::after {
  top: 28px;
  transform: rotate(-135deg);
}

.page-faq .faq-item__q:hover {
  color: var(--forest);
}

.page-faq .faq-item__a {
  padding: 0 44px 22px 16px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.88;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

/* 路径与复制 */

.page-faq .path-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 4px 6px 4px 10px;
  font-size: .8rem;
  background-color: rgba(138, 143, 139, .14);
  border-radius: var(--radius);
}

.page-faq .path-line code {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--forest);
}

.page-faq .path-copy {
  appearance: none;
  padding: 3px 8px;
  font-family: var(--font-body);
  font-size: .74rem;
  color: var(--stone);
  background: none;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  transition: color .16s ease, background-color .16s ease;
}

.page-faq .path-copy:hover,
.page-faq .path-copy:focus-visible {
  color: var(--ink);
  background-color: rgba(201, 162, 74, .22);
}

/* 尾注 */

.page-faq .faq-footnote {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3vw, 30px);
  background-color: var(--paper);
  border: 1px solid var(--line-ink);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
}

.page-faq .faq-footnote p {
  margin: 0;
  max-width: 62ch;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-footnote a {
  color: var(--forest);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 74, .7);
}

.page-faq .faq-footnote a:hover {
  color: var(--ink);
}

.page-faq .faq-footnote__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .78fr);
    align-items: end;
  }

  .page-faq .faq-hero__figure img {
    max-height: 360px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index__card {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-group:target {
    margin-left: -20px;
    padding-left: 20px;
  }
}

@media (max-width: 599px) {
  .page-faq .faq-item__q {
    padding: 16px 40px 16px 12px;
    font-size: .98rem;
  }

  .page-faq .faq-item__q::after {
    right: 14px;
  }

  .page-faq .faq-item__a {
    padding: 0 16px 20px 12px;
  }

  .page-faq .faq-group:target {
    padding-left: 12px;
    margin-left: -12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-chip,
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .path-copy {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    transform: none;
  }
}