.page-faq {
  --faq-measure: 60ch;
  background: var(--snow);
  color: var(--charcoal);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

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

.page-faq .faq-crumb {
  padding-block: 1rem 0.25rem;
}

.page-faq .faq-crumb .breadcrumb__item a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-crumb .breadcrumb__item a:hover,
.page-faq .faq-crumb .breadcrumb__item a:focus-visible {
  color: var(--saffron);
  border-bottom-color: var(--saffron);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 0.75rem;
  padding-block: clamp(2rem, 5vw, 3.75rem) clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(110% 90% at 88% 4%, rgba(192, 57, 43, 0.3), transparent 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(63, 184, 163, 0.16), transparent 62%),
    linear-gradient(158deg, var(--ink-night) 0%, var(--ink-night-2) 58%, var(--ink-deep) 100%);
  color: var(--snow);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--saffron) 0%, var(--gold) 46%, var(--teal) 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-faq .faq-hero__title {
  margin: 0.75rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6.4vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--snow);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(244, 247, 251, 0.82);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__quick a {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--snow);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-hero__quick a:hover,
.page-faq .faq-hero__quick a:focus-visible {
  border-color: var(--saffron);
  background: rgba(192, 57, 43, 0.18);
}

.page-faq .faq-hero__visual {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero__visual::before {
  content: "";
  position: absolute;
  inset: -10px;
  border: 1px solid var(--line-dark);
  border-radius: calc(var(--radius-l) + 8px);
  pointer-events: none;
}

.page-faq .faq-hero__visual .media-frame {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: 0 24px 48px -24px rgba(6, 16, 32, 0.9);
}

.page-faq .faq-hero__mark {
  position: absolute;
  inset-inline-end: -0.25rem;
  inset-block-end: -1.75rem;
  font-family: var(--font-display);
  font-size: clamp(4rem, 14vw, 7rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(214, 166, 75, 0.55);
  pointer-events: none;
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter-wrap {
  background: var(--snow-2);
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.5rem;
  padding-block: 0.9rem;
}

.page-faq .faq-filter__label {
  margin: 0 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-chip {
  appearance: none;
  border: 1px solid var(--line-light);
  background: transparent;
  color: var(--charcoal);
  font-family: inherit;
  font-size: 0.8125rem;
  line-height: 1.4;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--saffron);
  color: var(--saffron);
}

.page-faq .faq-chip[aria-pressed="true"] {
  background: var(--saffron);
  border-color: var(--saffron);
  color: #ffffff;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-sec--light {
  background: var(--snow);
  color: var(--charcoal);
}

.page-faq .faq-sec--tint {
  background: linear-gradient(180deg, var(--snow) 0%, var(--snow-2) 100%);
  color: var(--charcoal);
}

.page-faq .faq-sec--dark {
  background:
    radial-gradient(120% 90% at 92% 0%, rgba(63, 184, 163, 0.14), transparent 58%),
    linear-gradient(150deg, var(--ink-night) 0%, var(--ink-night-2) 100%);
  color: var(--snow);
}

.page-faq .faq-sec__head {
  position: relative;
  padding-inline-start: 2.5rem;
  margin-bottom: 1.25rem;
}

.page-faq .faq-sec__head::before {
  content: "";
  position: absolute;
  inset-inline-start: 1.2rem;
  inset-block: 0.25rem 0.25rem;
  width: 1px;
  background: linear-gradient(180deg, var(--saffron) 0%, rgba(192, 57, 43, 0) 100%);
}

.page-faq .faq-sec--dark .faq-sec__head::before {
  background: linear-gradient(180deg, var(--gold) 0%, rgba(214, 166, 75, 0) 100%);
}

.page-faq .faq-sec__no {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-sec--dark .faq-sec__no {
  color: var(--gold);
}

.page-faq .faq-sec__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.3125rem, 3.4vw, 1.875rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.page-faq .faq-sec--dark .faq-sec__title {
  color: var(--snow);
}

.page-faq .faq-sec__desc {
  margin: 0;
  max-width: 54ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-sec--dark .faq-sec__desc {
  color: rgba(244, 247, 251, 0.74);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.6rem;
  border: 1px solid rgba(214, 166, 75, 0.5);
  border-radius: var(--radius-s);
  color: #8a6a24;
  background: rgba(214, 166, 75, 0.12);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-sec--dark .faq-item {
  border-bottom-color: var(--line-dark);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 0.875rem;
  padding-block: 1rem;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  color: var(--saffron);
}

.page-faq .faq-sec--dark .faq-item > summary:hover,
.page-faq .faq-sec--dark .faq-item > summary:focus-visible {
  color: var(--gold);
}

.page-faq .faq-item > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-sec--dark .faq-item > summary::after {
  color: rgba(244, 247, 251, 0.5);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
  color: var(--saffron);
}

.page-faq .faq-sec--dark .faq-item[open] > summary::after {
  color: var(--gold);
}

.page-faq .faq-item__a {
  max-width: var(--faq-measure);
  padding-block: 0 1.125rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-sec--dark .faq-item__a {
  color: rgba(244, 247, 251, 0.78);
}

.page-faq .faq-item__a p {
  margin: 0 0 0.7rem;
}

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

.page-faq .faq-item__a a {
  color: var(--saffron);
  text-decoration: none;
  border-bottom: 1px solid rgba(192, 57, 43, 0.4);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  border-bottom-color: var(--saffron);
}

.page-faq .faq-sec--dark .faq-item__a a {
  color: var(--gold);
  border-bottom-color: rgba(214, 166, 75, 0.45);
}

.page-faq .faq-sec--dark .faq-item__a a:hover,
.page-faq .faq-sec--dark .faq-item__a a:focus-visible {
  border-bottom-color: var(--gold);
}

.page-faq .faq-token {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  padding: 0.05em 0.5em;
  border-radius: var(--radius-s);
  border: 1px solid rgba(63, 184, 163, 0.5);
  background: rgba(63, 184, 163, 0.14);
  color: #1f7d6e;
}

.page-faq .faq-sec--dark .faq-token {
  color: #8fe6d6;
  background: rgba(63, 184, 163, 0.16);
  border-color: rgba(63, 184, 163, 0.42);
}

/* ---------- 客服章节 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 1.25rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 0.15rem;
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-faq .faq-contact__val {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--snow);
  word-break: break-word;
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-sec--dark .btn--ghost {
  color: var(--snow);
  border-color: var(--line-dark);
}

.page-faq .faq-sec--dark .btn--ghost:hover,
.page-faq .faq-sec--dark .btn--ghost:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-contact__figure {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-contact__figure .media-frame {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.5rem;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-list > .faq-item:nth-child(even) {
    margin-inline-start: 2.5rem;
    padding-inline-start: 1.25rem;
    border-inline-start: 1px solid var(--line-light);
  }

  .page-faq .faq-sec--dark .faq-list > .faq-item:nth-child(even) {
    border-inline-start-color: var(--line-dark);
  }

  .page-faq .faq-sec__head {
    padding-inline-start: 3.25rem;
    margin-bottom: 1.75rem;
  }

  .page-faq .faq-sec__head::before {
    inset-inline-start: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-faq .faq-contact {
    grid-template-columns: 6fr 5fr;
    align-items: start;
    gap: 3rem;
  }

  .page-faq .faq-hero__quick {
    margin-top: 1.75rem;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-list {
    max-width: 74%;
  }

  .page-faq .faq-item__a {
    max-width: 58ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-hero__quick a,
  .page-faq .faq-item > summary,
  .page-faq .faq-item > summary::after,
  .page-faq .faq-item__a a {
    transition: none;
  }
}