.page-faq {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

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

.page-faq .crumbs__list {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-faq .crumbs__link {
  color: var(--frost);
}

.page-faq .crumbs__link:hover,
.page-faq .crumbs__link:focus-visible {
  color: var(--cyan);
}

.page-faq .crumbs__current {
  color: var(--silver);
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 5vw, 56px) 0 clamp(26px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__index {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(32px, 6.4vw, 74px);
  line-height: 1.06;
  letter-spacing: 0.03em;
  color: var(--paper);
  max-width: 17ch;
}

.page-faq .faq-hero__lead {
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--silver);
  max-width: 60ch;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-stats__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-faq .faq-stats__num {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: 0.06em;
  color: var(--paper);
  line-height: 1;
}

.page-faq .faq-stats__label {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--frost);
}

/* ---------- 分类索引条 ---------- */
.page-faq .faq-index {
  padding: clamp(24px, 3.6vw, 38px) 0;
  background: var(--rock);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}

.page-faq .faq-index__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(19px, 2.4vw, 22px);
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-faq .faq-index__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--frost);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--silver);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t), border-color var(--t), background-color var(--t);
}

.page-faq .faq-chip__no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--frost);
  transition: color var(--t);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(47, 227, 206, 0.08);
}

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

/* ---------- 双栏速查 ---------- */
.page-faq .faq-cols {
  padding: clamp(30px, 5vw, 70px) 0 clamp(26px, 4vw, 56px);
}

.page-faq .faq-cols__sr {
  margin: 0 0 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--frost);
  font-weight: 400;
}

.page-faq .faq-cols__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 58px);
}

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

.page-faq .faq-col__head {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-bottom: 22px;
}

.page-faq .faq-col__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-col--alt .faq-col__index {
  color: var(--clay);
}

.page-faq .faq-col__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-faq .faq-col__note {
  margin: 0;
  max-width: 32ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--frost);
}

.page-faq .faq-figure {
  margin: 0 0 22px;
}

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

.page-faq .faq-figure .figure__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--frost);
}

/* ---------- 问答卡片 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: 2px;
  margin: 0 0 10px;
  background: rgba(22, 32, 46, 0.45);
  transition: border-color var(--t), background-color var(--t), transform var(--t);
  scroll-margin-top: 96px;
}

.page-faq .qa:hover {
  border-color: rgba(47, 227, 206, 0.5);
}

.page-faq .qa--clay:hover {
  border-color: rgba(185, 106, 75, 0.6);
}

.page-faq .qa:target {
  border-color: var(--cyan);
  background: rgba(47, 227, 206, 0.06);
}

.page-faq .qa--clay:target {
  border-color: var(--clay);
  background: rgba(185, 106, 75, 0.08);
}

.page-faq .qa .panel-trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color var(--t);
}

.page-faq .qa .panel-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa__no {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .qa--clay .qa__no {
  color: var(--clay);
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-faq .qa .panel-trigger__sign {
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--frost);
}

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

.page-faq .qa .panel {
  padding: 0 16px 16px;
}

.page-faq .qa__a {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--silver);
  overflow-wrap: break-word;
}

.page-faq .qa__misread {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding: 8px 0 8px 12px;
  border-left: 2px solid var(--clay);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--frost);
}

.page-faq .qa--clay .qa__misread {
  border-left-color: var(--moss);
}

.page-faq .qa__misread-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--clay);
  white-space: nowrap;
}

.page-faq .qa--clay .qa__misread-label {
  color: var(--moss);
}

.page-faq .faq-col__tail {
  margin-top: 22px;
  padding: 18px 16px;
  border: 1px dashed var(--line);
  border-radius: 2px;
}

.page-faq .faq-col__tail-text {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--frost);
}

.page-faq .faq-col__tail-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 206, 0.4);
  transition: border-color var(--t), color var(--t);
}

.page-faq .faq-col__tail-link:hover,
.page-faq .faq-col__tail-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 使用类问答 ---------- */
.page-faq .faq-more {
  padding: clamp(28px, 4.6vw, 62px) 0;
  background: var(--rock);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-more__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-more__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-more__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.14;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .faq-more__note {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--frost);
}

.page-faq .faq-more__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 46px);
}

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

.page-faq .faq-more__group-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--silver);
  text-transform: uppercase;
}

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

.page-faq .faq-more__row {
  position: relative;
  padding: 12px 0 12px 14px;
  border-bottom: 1px solid rgba(42, 54, 68, 0.7);
  transition: background-color var(--t);
}

.page-faq .faq-more__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: transparent;
  transition: background-color var(--t);
}

.page-faq .faq-more__row:hover::before {
  background: var(--cyan);
}

.page-faq .faq-more__q {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-more__a {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--silver);
  overflow-wrap: break-word;
}

/* ---------- 结尾追问 ---------- */
.page-faq .faq-cta {
  padding: clamp(32px, 5.4vw, 76px) 0 clamp(36px, 6vw, 84px);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 48px);
  align-items: center;
}

.page-faq .faq-cta__index {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-faq .faq-cta__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.16;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .faq-cta__lead {
  margin: 0 0 22px;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--silver);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .faq-cta__alt {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--frost);
}

.page-faq .faq-cta__alt a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 206, 0.35);
  transition: border-color var(--t), color var(--t);
}

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

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

.page-faq .faq-cta__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-faq .faq-stats__item {
    flex-direction: column;
    gap: 8px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-cols__grid {
    grid-template-columns: 1fr 1fr;
    gap: clamp(34px, 4vw, 62px);
  }

  .page-faq .faq-more__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-col--alt {
    padding-top: 42px;
  }
}

@media (min-width: 1200px) {
  .page-faq {
    padding-right: var(--rail-w);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .faq-chip,
  .page-faq .faq-more__row::before,
  .page-faq .faq-col__tail-link {
    transition: none;
  }
}