.page-faq {
  --faq-ink-soft: #2b3a30;
  --faq-ink-mute: #5c6b60;
  background: var(--metal);
  color: var(--night);
  font-family: var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--grass-deep);
  color: var(--metal);
  border-bottom: 2px solid var(--night);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -35%;
  width: 58%;
  height: 170%;
  background: linear-gradient(160deg, rgba(79, 191, 127, 0.34), rgba(13, 27, 42, 0));
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--rail);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 52px) var(--gut) clamp(30px, 6vw, 64px);
}

.page-faq .faq-crumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.08em;
}

.page-faq .faq-crumb__item {
  color: rgba(245, 247, 244, 0.62);
}

.page-faq .faq-crumb__item + .faq-crumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(245, 247, 244, 0.35);
}

.page-faq .faq-crumb__item a {
  color: var(--metal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.16s ease, color 0.16s ease;
}

.page-faq .faq-crumb__item a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-faq .faq-hero__label {
  margin: 0 0 12px;
  font-size: var(--t-xs);
  letter-spacing: 0.18em;
  color: var(--sprout);
}

.page-faq .faq-hero__title {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  max-width: 18em;
  font-size: clamp(30px, 6vw, var(--t-3xl));
  line-height: 1.16;
  letter-spacing: 0.02em;
  font-weight: 900;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 660px;
  font-size: clamp(15px, 1.9vw, var(--t-lg));
  line-height: 1.85;
  color: rgba(245, 247, 244, 0.86);
}

.page-faq .faq-hero__meta {
  margin-top: clamp(26px, 4.4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(245, 247, 244, 0.28);
  border: 1px solid rgba(245, 247, 244, 0.32);
}

.page-faq .faq-hero__cell {
  background: var(--grass-deep);
  padding: 16px 18px 18px;
}

.page-faq .faq-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 4.4vw, var(--t-2xl));
  line-height: 1.1;
  color: var(--orange);
}

.page-faq .faq-hero__cap {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 247, 244, 0.78);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-shell {
  max-width: var(--rail);
  margin: 0 auto;
  padding: clamp(26px, 5vw, 52px) var(--gut) clamp(40px, 7vw, 84px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

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

.page-faq .faq-side__sticky {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .media-frame {
  margin: 0;
  display: block;
  overflow: hidden;
}

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

.page-faq .faq-side__media {
  border: var(--bd);
  box-shadow: var(--shadow-1);
  background: var(--night);
  max-width: 340px;
}

.page-faq .faq-index {
  border: var(--bd);
  background: var(--metal);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-index__head {
  margin: 0;
  padding: 12px 16px;
  background: var(--grass);
  color: var(--metal);
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 11px 16px;
  border-top: 1px solid var(--fog);
  border-left: 6px solid transparent;
  color: var(--night);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--orange);
  background: rgba(79, 191, 127, 0.14);
}

.page-faq .faq-index__no {
  flex: 0 0 auto;
  font-size: var(--t-xs);
  color: var(--grass);
}

.page-faq .faq-side__cta {
  border: var(--bd);
  border-left: 8px solid var(--orange);
  background: var(--night);
  color: var(--metal);
  padding: 18px;
  box-shadow: var(--shadow-1);
}

.page-faq .faq-side__cta p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 247, 244, 0.88);
}

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

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--night);
}

.page-faq .sec-head__label {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  color: var(--grass);
}

.page-faq .sec-head__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(21px, 3.4vw, var(--t-2xl));
  line-height: 1.3;
  letter-spacing: 0.02em;
  font-weight: 900;
}

.page-faq .sec-head__note {
  margin: 0;
  font-size: var(--t-xs);
  letter-spacing: 0.06em;
  color: var(--faq-ink-mute);
}

.page-faq .rule-slant {
  margin: clamp(28px, 4.4vw, 46px) 0;
}

/* ---------- 问答条目 ---------- */
.page-faq .disclosure {
  border: var(--bd);
  border-left: 8px solid var(--fog);
  background: var(--metal);
  margin-bottom: 12px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

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

.page-faq .disclosure:hover {
  border-left-color: var(--sprout);
}

.page-faq .disclosure[data-open="true"] {
  border-left-color: var(--orange);
  box-shadow: var(--shadow-1);
}

.page-faq .disclosure__trigger {
  width: 100%;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  margin: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: inherit;
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 700;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .disclosure__trigger:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .faq-q__no {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: var(--t-xs);
  letter-spacing: 0.08em;
  color: var(--grass);
}

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

.page-faq .faq-mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

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

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

.page-faq .faq-mark::after {
  width: 2px;
  height: 14px;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.page-faq .disclosure[data-open="true"] .faq-mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .disclosure__body {
  max-width: 680px;
  padding: 0 18px 18px 44px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

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

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

.page-faq .disclosure__body .num {
  color: var(--night);
  font-weight: 700;
}

.page-faq .faq-related {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--fog);
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.04em;
  color: var(--faq-ink-mute);
}

.page-faq .faq-related a {
  color: var(--grass);
  text-decoration: none;
  border-bottom: 1px solid var(--fog);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-related a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-faq .faq-shot {
  max-width: 300px;
  margin: 20px 0 0;
  border: var(--bd);
  box-shadow: var(--shadow-1);
  background: var(--night);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-next {
  background: var(--night);
  color: var(--metal);
  border-top: 2px solid var(--night);
}

.page-faq .faq-next__inner {
  max-width: var(--rail);
  margin: 0 auto;
  padding: clamp(30px, 5.5vw, 64px) var(--gut);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-faq .faq-next__title {
  margin: 0 0 12px;
  font-size: clamp(21px, 3.4vw, var(--t-2xl));
  line-height: 1.32;
  letter-spacing: 0.02em;
}

.page-faq .faq-next__text p {
  margin: 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 247, 244, 0.82);
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 1.4fr) auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 316px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-side__sticky {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-side__media {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .disclosure,
  .page-faq .faq-mark::after,
  .page-faq .faq-index__link,
  .page-faq .faq-related a,
  .page-faq .faq-crumb__item a {
    transition: none;
  }
}