.page-faq {
  --faq-rule: rgba(140, 147, 168, .34);
  --faq-rule-soot: rgba(32, 22, 15, .16);
  --faq-soft: rgba(243, 234, 217, .06);
  --faq-body-cream: rgba(32, 22, 15, .82);
  --faq-body-ink: rgba(243, 234, 217, .82);
}

/* 面包屑与首屏 */
.page-faq .faq-hero__crumbs {
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero__title {
  max-width: 18ch;
  margin: 0;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lede {
  max-width: 44ch;
  margin: 16px 0 0;
  color: rgba(243, 234, 217, .8);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-stat .num {
  font-family: var(--font-mono);
  font-size: var(--t-32);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-stat__label {
  font-size: var(--t-12);
  letter-spacing: .14em;
  color: var(--stone);
}

/* 区块标题 */
.page-faq .faq-head__title {
  margin: 10px 0 0;
  letter-spacing: -.02em;
}

.page-faq .faq-head__lede {
  max-width: 48ch;
  margin: 14px 0 0;
  color: rgba(243, 234, 217, .8);
}

.page-faq .section--cream .faq-head__title,
.page-faq .section--cream .faq-prep__title {
  color: var(--soot);
}

.page-faq .section--cream .faq-head__lede {
  color: var(--faq-body-cream);
}

.page-faq .section--cream .eyebrow,
.page-faq .section--cream .eyebrow__num {
  color: var(--crimson);
}

/* 现象分诊标签组 */
.page-faq .faq-triage-block {
  padding-bottom: clamp(8px, 2vw, 20px);
}

.page-faq .faq-triage__list {
  list-style: none;
  margin: clamp(22px, 3.5vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

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

.page-faq .faq-triage__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  min-height: 68px;
  color: var(--cream);
  text-decoration: none;
  background-image: linear-gradient(90deg, var(--jade) 0 3px, var(--ink-2) 3px);
  transition: background-image .24s var(--ease), transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-faq .faq-triage__link:hover {
  background-image: linear-gradient(90deg, var(--gold) 0 3px, #223066 3px);
  transform: translateY(-2px);
}

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

.page-faq .faq-triage__link[aria-current="true"] {
  background-image: linear-gradient(90deg, var(--gold) 0 3px, var(--crimson) 3px);
}

.page-faq .faq-triage__idx {
  flex: none;
  min-width: 1.3em;
  font-family: var(--font-mono);
  font-size: var(--t-24);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-triage__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-faq .faq-triage__label {
  font-size: var(--t-16);
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-triage__hint {
  font-size: var(--t-12);
  letter-spacing: .16em;
  color: var(--stone);
}

.page-faq .faq-triage__link[aria-current="true"] .faq-triage__idx {
  color: var(--cream);
}

.page-faq .faq-triage__link[aria-current="true"] .faq-triage__hint {
  color: rgba(243, 234, 217, .82);
}

/* 图注与媒体 */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure--split {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-figure .media__cap {
  color: var(--stone);
}

.page-faq .section--cream .faq-figure .media__cap {
  color: rgba(32, 22, 15, .62);
}

/* 可展开内容组 */
.page-faq .faq-qa-list {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-qa {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-qa:last-of-type {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .section--cream .faq-qa {
  border-color: var(--faq-rule-soot);
}

.page-faq .faq-qa__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 2px;
  background: none;
  border: 0;
  color: inherit;
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
}

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

.page-faq .faq-qa__q {
  font-size: clamp(17px, 2.7vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.01em;
}

.page-faq .faq-qa .expander__icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  color: var(--jade);
  transition: transform .26s var(--ease), color .26s var(--ease);
}

.page-faq .faq-qa .expander__icon::before,
.page-faq .faq-qa .expander__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
}

.page-faq .faq-qa .expander__icon::before {
  width: 15px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-qa .expander__icon::after {
  width: 1.5px;
  height: 15px;
  transform: translate(-50%, -50%);
  transition: transform .26s var(--ease);
}

.page-faq .expander[data-open] .faq-qa__btn .expander__icon {
  transform: rotate(90deg);
  color: var(--crimson);
}

.page-faq .expander[data-open] .faq-qa .expander__icon::after,
.page-faq .expander[data-open] .expander__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-qa .expander__body {
  padding: 0 2px 24px;
  font-size: var(--step-lede);
  line-height: 1.85;
  color: var(--faq-body-ink);
}

.page-faq .section--cream .faq-qa .expander__body {
  color: var(--faq-body-cream);
}

.page-faq .faq-qa .expander__body p {
  max-width: 58ch;
  margin: 0 0 12px;
}

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

/* 步骤清单 */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 58ch;
}

.page-faq .faq-steps__item {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-steps__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-steps__item::before {
  content: "0" counter(faqstep);
  font-family: var(--font-mono);
  font-size: var(--t-14);
  font-weight: 700;
  color: var(--gold);
}

.page-faq .section--cream .faq-steps__item {
  border-color: var(--faq-rule-soot);
}

.page-faq .section--cream .faq-steps__item::before {
  color: var(--crimson);
}

/* 本地勾选清单 */
.page-faq .faq-check {
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(18px, 3vw, 26px);
  background: var(--faq-soft);
  border-left: 3px solid var(--gold);
}

.page-faq .faq-check__head {
  margin: 0 0 16px;
  font-size: var(--t-12);
  letter-spacing: .16em;
  color: var(--stone);
}

.page-faq .faq-check__head .mono {
  color: var(--gold);
  font-weight: 700;
}

.page-faq .faq-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-check__item {
  position: relative;
  margin: 0;
}

.page-faq .faq-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-faq .faq-check__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: var(--t-16);
  line-height: 1.7;
  color: rgba(243, 234, 217, .86);
  transition: color .2s var(--ease);
}

.page-faq .faq-check__box {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1.5px solid var(--stone);
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-check__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg) scale(0);
  transform-origin: center;
  transition: transform .2s var(--ease);
}

.page-faq .faq-check__input:checked + .faq-check__label .faq-check__box {
  background: var(--green);
  border-color: var(--green);
}

.page-faq .faq-check__input:checked + .faq-check__label .faq-check__box::after {
  transform: rotate(45deg) scale(1);
}

.page-faq .faq-check__input:focus-visible + .faq-check__label .faq-check__box {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-check__input:checked + .faq-check__label {
  color: var(--stone);
  text-decoration: line-through;
}

/* 收尾两栏 */
.page-faq .faq-block--last {
  padding-bottom: clamp(48px, 7vw, 92px);
}

.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(26px, 4vw, 44px);
}

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

.page-faq .faq-split__col--prep {
  padding: clamp(20px, 3vw, 32px);
  background: var(--cream);
  color: var(--soot);
  clip-path: var(--cut-panel);
}

.page-faq .faq-prep__title {
  margin: 0 0 16px;
}

.page-faq .faq-prep {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-prep__item {
  position: relative;
  padding-left: 22px;
  font-size: var(--t-16);
  line-height: 1.7;
}

.page-faq .faq-prep__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 11px;
  height: 1.5px;
  background: var(--jade);
}

.page-faq .faq-prep__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-rule-soot);
  font-size: var(--t-14);
  line-height: 1.8;
  color: rgba(32, 22, 15, .74);
}

.page-faq .faq-prep__mail {
  margin: 12px 0 0;
  font-size: var(--t-16);
}

.page-faq .faq-prep__mail .mono {
  color: var(--crimson);
  font-weight: 700;
  word-break: break-all;
}

.page-faq .faq-links__head {
  margin: 0 0 14px;
  font-size: var(--t-12);
  letter-spacing: .16em;
  color: var(--stone);
}

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

.page-faq .faq-links__row {
  margin: 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-links__row:last-child {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-links__item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 2px;
  color: var(--cream);
  text-decoration: none;
  transition: padding-left .24s var(--ease), color .24s var(--ease);
}

.page-faq .faq-links__item:hover {
  padding-left: 10px;
  color: var(--gold);
}

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

.page-faq .faq-links__name {
  font-size: var(--t-16);
  font-weight: 700;
}

.page-faq .faq-links__desc {
  font-size: var(--t-14);
  line-height: 1.6;
  color: var(--stone);
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-triage__list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-triage__item:nth-child(1) {
    grid-column: 1 / span 7;
  }

  .page-faq .faq-triage__item:nth-child(2) {
    grid-column: 9 / span 4;
  }

  .page-faq .faq-triage__item:nth-child(3) {
    grid-column: 2 / span 5;
  }

  .page-faq .faq-triage__item:nth-child(4) {
    grid-column: 8 / span 5;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-faq .faq-head__title,
  .page-faq .faq-head__lede {
    max-width: 34ch;
  }

  .page-faq .faq-qa__btn {
    padding: 24px 2px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-triage__link {
    align-items: flex-start;
    padding: 20px 20px 18px;
    min-height: 104px;
  }

  .page-faq .faq-triage__label {
    font-size: var(--t-19);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-triage__link,
  .page-faq .faq-links__item,
  .page-faq .faq-qa .expander__icon,
  .page-faq .faq-check__box,
  .page-faq .faq-check__box::after {
    transition: none;
  }

  .page-faq .faq-triage__link:hover,
  .page-faq .faq-links__item:hover {
    transform: none;
  }
}