.page-faq {
  --faq-line: rgba(42, 31, 26, 0.13);
  --faq-line-gold: rgba(226, 169, 60, 0.55);
  display: block;
  padding-bottom: var(--gap-xl);
}

.page-faq .container {
  width: 100%;
}

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

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding: var(--gap-m) 0 0;
}

.page-faq .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

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

.page-faq .crumbs__item a:hover {
  color: var(--crimson);
}

.page-faq .crumbs__item[aria-current="page"] {
  color: var(--brown);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: var(--gap-l);
  padding: var(--gap-m) 0 var(--gap-l);
  border-bottom: 1px solid var(--faq-line-gold);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 var(--gap-s);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--crimson);
}

.page-faq .faq-hero__title {
  margin: 0 0 var(--gap-m);
  font-size: clamp(28px, 7vw, 44px);
  font-weight: 200;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--brown);
  max-width: 24ch;
}

.page-faq .faq-hero__title strong {
  font-weight: 900;
  color: var(--sky);
}

.page-faq .faq-hero__lede {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--brown);
  max-width: 40ch;
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: var(--gap-m) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__quick a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  color: var(--brown);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.page-faq .faq-hero__quick a:hover,
.page-faq .faq-hero__quick a:focus-visible {
  border-color: var(--sky);
  color: var(--sky);
  transform: translateY(-2px);
}

.page-faq .faq-hero__strip {
  margin: var(--gap-m) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--cream);
  box-shadow: 0 1px 0 var(--faq-line), 18px 18px 0 -6px rgba(27, 111, 209, 0.12);
}

.page-faq .faq-hero__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__cap {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  background: var(--cream);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--gap-l);
  padding-top: var(--gap-l);
}

/* ---------- 左栏索引 ---------- */
.page-faq .faq-index__label {
  margin: 0 0 var(--gap-m);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

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

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 11px 12px 11px 14px;
  border-left: 4px solid transparent;
  color: var(--brown);
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--crimson);
  background: var(--cream);
}

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

.page-faq .faq-index__name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-faq .faq-index__note {
  margin-top: var(--gap-l);
}

.page-faq .faq-index__note-link {
  margin: var(--gap-s) 0 0;
  font-size: 14px;
}

.page-faq .faq-index__note-link a {
  color: var(--crimson);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 主题分组 ---------- */
.page-faq .faq-topic {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-topic + .faq-topic {
  margin-top: var(--gap-xl);
  padding-top: var(--gap-l);
  border-top: 1px solid var(--faq-line-gold);
}

.page-faq .faq-topic__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-faq .faq-topic__num {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-faq .faq-topic__title {
  margin: 0;
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--brown);
}

.page-faq .faq-topic__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-topic__intro {
  margin: var(--gap-s) 0 var(--gap-m);
  font-size: 16px;
  line-height: 1.7;
  color: var(--brown);
  max-width: 46ch;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-line);
  border-radius: var(--radius);
  background: var(--cream);
  transition: border-color 0.2s, background 0.2s;
}

.page-faq .faq-item:hover {
  border-left-color: var(--sky);
}

.page-faq .faq-item[open] {
  background: #fff;
  border-color: rgba(27, 111, 209, 0.3);
  border-left-color: var(--sky);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: var(--gap-s);
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--brown);
}

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

.page-faq .faq-item__q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 6px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--crimson);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__mark::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  width: 2px;
  height: 14px;
  transition: opacity 0.2s;
}

.page-faq .faq-item[open] .faq-item__mark::after {
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  border-top: 1px solid var(--faq-line);
  margin-top: 2px;
}

.page-faq .faq-item__a p {
  margin: var(--gap-s) 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--brown);
  max-width: 42ch;
}

.page-faq .faq-item__a ul {
  margin: var(--gap-s) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-faq .faq-item__a li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--brown);
}

.page-faq .faq-item__a li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background: var(--gold);
}

/* ---------- 反馈章节内嵌图 ---------- */
.page-faq .faq-topic__grid {
  display: grid;
  gap: var(--gap-m);
}

.page-faq .faq-topic__media {
  margin: 0;
  align-self: start;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  border-bottom: 4px solid var(--crimson);
}

.page-faq .faq-topic__media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-faq .faq-topic__cap {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-ink-muted);
}

/* ---------- 仍没解决 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: var(--gap-m);
  margin-top: var(--gap-xl);
  padding: var(--gap-l) var(--gap-m);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--on-ink);
  background-image: linear-gradient(-6deg, rgba(27, 111, 209, 0.28) 0%, rgba(10, 27, 50, 0) 62%);
}

.page-faq .faq-help__eyebrow {
  margin: 0 0 var(--gap-s);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-help__title {
  margin: 0 0 var(--gap-s);
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
}

.page-faq .faq-help__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--on-ink-muted);
  max-width: 44ch;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--gap-m);
}

.page-faq .faq-help__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-help__links a {
  display: block;
  padding: 12px 14px;
  border: 1px solid rgba(233, 228, 218, 0.24);
  border-radius: var(--radius);
  color: var(--on-ink);
  font-size: 15px;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
    gap: var(--gap-xl);
  }

  .page-faq .faq-hero__media {
    margin-top: var(--gap-s);
  }

  .page-faq .faq-topic__grid {
    grid-template-columns: minmax(0, 1fr) 240px;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    padding: var(--gap-l);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: var(--gap-xl);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + var(--gap-m));
  }

  .page-faq .faq-hero {
    padding-top: var(--gap-l);
  }

  .page-faq .faq-topic__num {
    font-size: 44px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-body {
    grid-template-columns: 270px minmax(0, 1fr);
  }

  .page-faq .faq-topic__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__quick a,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-help__links a {
    transition: none;
  }

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