.page-faq {
  --fq-spine: clamp(64px, 9vw, 104px);
  --fq-card-ink: #4A3A2A;
  --fq-card-ink-dim: #6B5945;
  display: block;
  background: var(--ink);
  color: var(--mist);
  overflow-x: hidden;
  padding-bottom: clamp(24px, 5vw, 56px);
}

.page-faq .faq-crumbs-wrap {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-faq .faq-crumbs-wrap .crumbs a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-faq .faq-crumbs-wrap .crumbs a:hover {
  color: var(--orange);
}

.page-faq .faq-crumbs-wrap .crumbs [aria-current="page"] {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5.5vw, 68px) 0 clamp(30px, 6vw, 62px);
  border-bottom: 1px solid var(--line-faint);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 92% at 88% 0%, rgba(255, 90, 31, 0.18), transparent 62%),
    radial-gradient(96% 82% at -4% 100%, rgba(31, 122, 77, 0.16), transparent 64%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-soft), transparent);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.6vw, 22px);
}

.page-faq .faq-hero__rail {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-hero__rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero__rail-line {
  flex: 1;
  height: 1px;
  min-width: 28px;
  background: linear-gradient(90deg, var(--orange), transparent);
}

.page-faq .faq-hero__main h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  max-width: 20ch;
  color: var(--mist);
}

.page-faq .faq-hero__lede {
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-mid);
  max-width: 62ch;
  margin: 18px 0 0;
}

.page-faq .faq-hero__lede + .faq-hero__lede {
  margin-top: 12px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 筛选带 ---------- */

.page-faq .faq-filter {
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line-faint);
  padding: clamp(14px, 2.6vw, 22px) 0;
}

.page-faq .faq-filter__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.page-faq .faq-filter__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-filter .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.page-faq .faq-filter .filter-chip {
  font-size: 13px;
  white-space: nowrap;
}

/* ---------- 主体列表 ---------- */

.page-faq .faq-body {
  padding-top: clamp(34px, 6vw, 72px);
  display: grid;
  gap: clamp(30px, 5vw, 58px);
}

.page-faq .faq-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 20px);
  scroll-margin-top: 96px;
}

.page-faq .faq-group[hidden] {
  display: none;
}

.page-faq .faq-group__spine {
  display: flex;
  align-items: baseline;
  gap: 10px;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 10px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.6vw, 21px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--mist);
}

.page-faq .faq-group__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

/* ---------- 图 ---------- */

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

.page-faq .faq-figure .media-frame {
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-deep);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure .media-frame__caption {
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--text-dim);
}

.page-faq .faq-figure--portrait {
  max-width: 460px;
}

/* ---------- 问答折页 ---------- */

.page-faq .faq-item {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-soft);
  box-shadow: 5px 5px 0 0 rgba(21, 15, 9, 0.62);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-item__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 16px;
  align-items: start;
  gap: 10px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__head:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange-deep);
  padding-top: 4px;
}

.page-faq .faq-item__q {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.page-faq .faq-item__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--orange-deep);
  transition: transform 220ms var(--ease), opacity 220ms var(--ease);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item[open] {
  border-color: var(--orange);
  box-shadow: 8px 8px 0 0 rgba(21, 15, 9, 0.72);
}

.page-faq .faq-item__body {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line-faint);
  margin-left: 16px;
  margin-right: 16px;
  padding-left: 0;
  padding-right: 0;
}

.page-faq .faq-item__body p {
  font-size: 16px;
  line-height: 1.74;
  color: var(--fq-card-ink);
  margin: 0 0 10px;
  max-width: 66ch;
}

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

.page-faq .faq-item__body a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 160ms var(--ease);
}

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

@media (hover: hover) {
  .page-faq .faq-item:hover {
    transform: translateY(-2px);
  }
}

/* ---------- 时间节奏卡 ---------- */

.page-faq .faq-rhythm {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 14px 0 4px;
}

.page-faq .faq-rhythm__item {
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--orange);
  background: rgba(43, 33, 24, 0.06);
  padding: 12px 14px;
}

.page-faq .faq-rhythm__time {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange-deep);
}

.page-faq .faq-rhythm__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fq-card-ink-dim);
  margin-left: 5px;
}

.page-faq .faq-rhythm__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--fq-card-ink-dim);
}

/* ---------- 联系卡片 ---------- */

.page-faq .faq-contact {
  background: var(--ink-deep);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--grass);
  padding: clamp(16px, 3vw, 24px);
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  border-bottom: 1px dashed var(--line-faint);
  padding-bottom: 10px;
}

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

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--text-dim);
  max-width: 64ch;
}

/* ---------- 尾部引导 ---------- */

.page-faq .faq-cta {
  margin-top: clamp(38px, 6vw, 72px);
  border-top: 1px solid var(--line-faint);
  background:
    linear-gradient(180deg, rgba(26, 19, 12, 0.9), rgba(26, 19, 12, 0.5));
  padding: clamp(30px, 5vw, 56px) 0 clamp(36px, 6vw, 64px);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .faq-cta__text h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 10px 0 0;
  color: var(--mist);
}

.page-faq .faq-cta__text p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-mid);
  max-width: 56ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-rhythm {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: var(--fq-spine) minmax(0, 1fr);
    gap: clamp(24px, 3.6vw, 48px);
    align-items: start;
  }

  .page-faq .faq-hero__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    align-self: stretch;
    padding-top: 6px;
  }

  .page-faq .faq-hero__rail-num {
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
  }

  .page-faq .faq-hero__rail-line {
    flex: 1;
    width: 1px;
    height: auto;
    min-height: 96px;
    min-width: 0;
    background: linear-gradient(180deg, var(--orange), transparent);
  }

  .page-faq .faq-group {
    grid-template-columns: var(--fq-spine) minmax(0, 1fr);
    column-gap: clamp(24px, 3.6vw, 46px);
    row-gap: 0;
  }

  .page-faq .faq-group__spine {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    border-bottom: 0;
    border-left: 2px solid var(--orange);
    padding: 0 0 0 14px;
    padding-bottom: 0;
    align-self: start;
  }

  .page-faq .faq-item__head {
    grid-template-columns: auto minmax(0, 1fr) 18px;
    gap: 14px;
    padding: 17px 22px;
  }

  .page-faq .faq-item__body {
    padding: 16px 22px 20px;
    margin-left: 22px;
    margin-right: 22px;
    padding-left: 0;
    padding-right: 0;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: end;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-group__list {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-crumbs-wrap .crumbs a,
  .page-faq .faq-item__body a {
    transition: none;
  }

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