.page-faq {
  --faq-line: rgba(242, 231, 213, 0.13);
  --faq-line-soft: rgba(242, 231, 213, 0.07);
  --faq-cream-line: rgba(42, 33, 24, 0.16);
  background: var(--ink);
  color: var(--cream);
  overflow-x: clip;
}

.page-faq .faq-shell {
  padding-top: clamp(20px, 3.5vw, 44px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--stone);
  margin-bottom: clamp(22px, 3.5vw, 40px);
}

.page-faq .breadcrumbs__item a {
  color: var(--ice);
  text-decoration: none;
}

.page-faq .breadcrumbs__item a:hover {
  color: var(--gold-soft);
}

.page-faq .breadcrumbs__item:not(:first-child)::before {
  content: " / ";
  color: rgba(138, 143, 153, 0.55);
  margin-right: 2px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(26px, 4vw, 50px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero .kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 6px;
}

.page-faq .faq-hero__title {
  font-size: clamp(2.3rem, 6.6vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 15ch;
  margin: 0.24em 0 0.34em;
}

.page-faq .faq-hero__lede {
  max-width: 56ch;
  color: rgba(242, 231, 213, 0.78);
}

.page-faq .faq-trail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-trail .trail__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(245, 167, 59, 0.26);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-trail .trail__dot.is-lit {
  background: var(--gold);
  box-shadow: 0 0 12px rgba(245, 167, 59, 0.7);
}

.page-faq .faq-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 54px);
  margin-top: clamp(24px, 4vw, 42px);
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-metrics .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-metrics .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.2vw, 2.15rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-faq .faq-metrics .stat__unit {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-faq .faq-metrics .stat__hint {
  font-size: 0.76rem;
  color: var(--stone);
  margin-top: 5px;
  letter-spacing: 0.02em;
}

/* ---------- 置顶变更说明 ---------- */
.page-faq .faq-pinned {
  margin-top: clamp(30px, 5vw, 62px);
  background: var(--cream);
  color: var(--cream-ink);
  padding: clamp(30px, 5vw, 68px) 0;
}

.page-faq .faq-pinned .kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: #B8401A;
  margin: 0 0 10px;
}

.page-faq .faq-pinned__title {
  color: var(--cream-ink);
  margin: 0 0 14px;
  max-width: 20ch;
}

.page-faq .faq-pinned__intro {
  margin: 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(42, 33, 24, 0.76);
}

.page-faq .faq-pinned__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

.page-faq .changeline {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-cream-line);
}

.page-faq .changeline__item {
  display: grid;
  grid-template-columns: minmax(58px, 78px) 1fr;
  gap: clamp(14px, 2vw, 24px);
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--faq-cream-line);
  scroll-margin-top: 110px;
}

.page-faq .changeline__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: #B8401A;
  border-left: 3px solid var(--gold);
  padding-left: 10px;
  line-height: 1.6;
}

.page-faq .changeline__text {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.72;
  color: var(--cream-ink);
}

.page-faq .faq-flag {
  display: inline-block;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
}

.page-faq .faq-flag--changed {
  color: #B8401A;
  background: rgba(223, 90, 44, 0.12);
}

.page-faq .faq-flag--same {
  color: #2F6474;
  background: rgba(120, 198, 219, 0.18);
}

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

.page-faq .faq-jump .kicker {
  color: #8A6A2E;
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-faq .faq-jump__list a {
  font-family: var(--font-mono);
  font-size: 0.77rem;
  letter-spacing: 0.03em;
  color: #4A3B2A;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump__list a:hover {
  color: #B8401A;
  border-color: #B8401A;
}

/* ---------- 图片容器 ---------- */
.page-faq .media {
  margin: 0;
}

.page-faq .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-m);
  object-fit: cover;
}

.page-faq .media--4x3 .media__img {
  aspect-ratio: 4 / 3;
}

.page-faq .media--3x4 .media__img {
  aspect-ratio: 3 / 4;
}

.page-faq .media__caption {
  margin-top: 10px;
  font-size: 0.75rem;
  line-height: 1.65;
  color: var(--stone);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding: clamp(38px, 6vw, 80px) 0 clamp(20px, 4vw, 40px);
}

.page-faq .faq-toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-toolbar .section-title {
  color: #fff;
  margin: 0 0 12px;
}

.page-faq .faq-toolbar__sub {
  margin: 0;
  max-width: 54ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: rgba(242, 231, 213, 0.7);
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-faq .filter-btn {
  font: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  background: transparent;
  color: var(--mist);
  border: 1px solid rgba(120, 198, 219, 0.34);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .filter-btn:hover {
  border-color: var(--ice);
  color: #fff;
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: #241703;
  font-weight: 600;
}

.page-faq .is-filtered-out {
  display: none !important;
}

/* ---------- 分组 ---------- */
.page-faq .faq-cluster {
  padding: clamp(34px, 5vw, 66px) 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-cluster:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-cluster__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 12px;
}

.page-faq .faq-cluster__head .section-title {
  color: #fff;
  margin: 0 0 14px;
  max-width: 22ch;
}

.page-faq .faq-cluster__head .prose {
  margin: 0;
  max-width: 62ch;
  color: rgba(242, 231, 213, 0.72);
}

.page-faq .faq-cluster__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 42px);
  margin-top: clamp(22px, 3vw, 34px);
}

/* ---------- 折叠问答 ---------- */
.page-faq .doc-list {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-cluster__grid .doc-list {
  margin-top: 0;
}

.page-faq .doc {
  background: var(--panel);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .doc:hover {
  border-color: rgba(245, 167, 59, 0.38);
}

.page-faq .doc[open] {
  border-color: rgba(245, 167, 59, 0.5);
  box-shadow: var(--shadow-1);
}

.page-faq .doc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(15px, 2vw, 20px) clamp(16px, 2.2vw, 24px);
  cursor: pointer;
  list-style: none;
  color: var(--cream);
  font-weight: 600;
  font-size: 0.96rem;
  line-height: 1.6;
}

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

.page-faq .doc__summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -3px;
}

.page-faq .doc__q {
  flex: 1 1 auto;
}

.page-faq .doc__mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px;
  height: 18px;
}

.page-faq .doc__mark svg {
  display: block;
}

.page-faq .doc__mark circle {
  fill: rgba(138, 143, 153, 0.62);
  transition: fill 0.2s var(--ease);
}

.page-faq .doc[open] .doc__mark circle {
  fill: var(--gold);
}

.page-faq .doc[open] .doc__mark circle:nth-child(1) {
  transition-delay: 0ms;
}

.page-faq .doc[open] .doc__mark circle:nth-child(2) {
  transition-delay: 80ms;
}

.page-faq .doc[open] .doc__mark circle:nth-child(3) {
  transition-delay: 160ms;
}

.page-faq .doc__body {
  padding: 0 clamp(16px, 2.2vw, 24px) clamp(18px, 2.4vw, 24px);
  color: rgba(242, 231, 213, 0.76);
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-faq .doc__body p {
  margin: 0 0 10px;
}

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

.page-faq .doc__body a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(120, 198, 219, 0.4);
}

.page-faq .doc__body a:hover {
  color: var(--gold-soft);
  border-color: var(--gold-soft);
}

/* ---------- 回访入口卡 ---------- */
.page-faq .faq-entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-entry__card {
  display: block;
  text-decoration: none;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-m);
  background: linear-gradient(140deg, rgba(120, 198, 219, 0.16), rgba(120, 198, 219, 0.04));
  border: 1px solid rgba(120, 198, 219, 0.3);
  color: var(--cream);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-entry__card:hover {
  transform: translateY(-4px);
  border-color: var(--ice);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-entry__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--ice);
  margin-bottom: 12px;
}

.page-faq .faq-entry__title {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-faq .faq-entry__desc {
  display: block;
  font-size: 0.87rem;
  line-height: 1.72;
  color: rgba(242, 231, 213, 0.65);
}

/* ---------- 收束横带 ---------- */
.page-faq .faq-outro {
  background: var(--cream);
  color: var(--cream-ink);
  padding: clamp(34px, 5vw, 68px) 0;
  margin-top: clamp(32px, 5vw, 60px);
}

.page-faq .faq-outro .kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: #B8401A;
  margin: 0 0 10px;
}

.page-faq .faq-outro__title {
  color: var(--cream-ink);
  margin: 0 0 14px;
  max-width: 18ch;
}

.page-faq .faq-outro__lede {
  margin: 0;
  max-width: 52ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(42, 33, 24, 0.78);
}

.page-faq .faq-outro .btn {
  margin-top: 20px;
}

.page-faq .faq-outro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 52px);
  align-items: start;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-contact-list li {
  border-top: 1px solid var(--faq-cream-line);
  padding-top: 14px;
}

.page-faq .faq-contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: #8A6A2E;
  margin-bottom: 7px;
}

.page-faq .faq-contact-value {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--cream-ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-value a {
  color: #A63C12;
  text-decoration: none;
  border-bottom: 1px solid rgba(166, 60, 18, 0.35);
}

.page-faq .faq-contact-value a:hover {
  border-color: #A63C12;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-entry {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-outro__grid {
    grid-template-columns: 1.25fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-toolbar {
    grid-template-columns: 1.25fr auto;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-pinned__grid {
    grid-template-columns: 1.55fr 0.85fr;
  }

  .page-faq .faq-pinned__aside {
    padding-top: 6px;
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-cluster__grid--media {
    grid-template-columns: minmax(220px, 0.72fr) 1.7fr;
    align-items: start;
  }
}

@media (max-width: 519px) {
  .page-faq .changeline__item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-faq .changeline__num {
    border-left: 0;
    border-top: 3px solid var(--gold);
    padding-left: 0;
    padding-top: 8px;
    width: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .trail__dot,
  .page-faq .doc,
  .page-faq .doc__mark circle,
  .page-faq .faq-entry__card,
  .page-faq .filter-btn,
  .page-faq .faq-jump__list a {
    transition-duration: 0.01ms !important;
  }

  .page-faq .faq-entry__card:hover {
    transform: none;
  }
}