.page-faq {
  --faq-rule-dark: rgba(242, 236, 227, .14);
  --faq-rule-light: rgba(31, 28, 26, .16);
  --faq-sticky: 0px;
  display: block;
}

/* 首屏 */
.page-faq .faq-top {
  padding-block: clamp(28px, 6vw, 64px) clamp(26px, 5vw, 52px);
}
.page-faq .breadcrumbs__link {
  color: var(--silver);
}
.page-faq .breadcrumbs__current {
  color: var(--paper);
}
.page-faq .faq-title {
  margin: 10px 0 0;
  font-size: clamp(2.6rem, 10vw, 5rem);
  font-weight: 900;
  line-height: .96;
  letter-spacing: -.035em;
  color: var(--paper);
}
.page-faq .faq-kicker {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--silver);
}
.page-faq .faq-lead {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--silver);
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.8;
}
.page-faq .faq-facts {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: clamp(18px, 3vw, 24px) 0 0;
  border-top: 1px solid var(--faq-rule-dark);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 4vw, 48px);
}
.page-faq .faq-facts__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}
.page-faq .faq-facts__v {
  font-size: clamp(1.35rem, 3.4vw, 1.85rem);
  font-weight: 800;
  color: var(--paper);
}
.page-faq .faq-facts__v--mint {
  color: var(--mint);
}
.page-faq .faq-facts__l {
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--silver);
}

/* 分组胶囊条 */
.page-faq .faq-jump {
  position: sticky;
  top: 0;
  z-index: 4;
  background: rgba(15, 13, 12, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.page-faq .faq-jump__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-block: 14px;
}
.page-faq .faq-jump__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--silver);
  margin-right: 2px;
}
.page-faq .faq-jump__link {
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}
.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--flame);
}

/* 分组 */
.page-faq .faq-group {
  padding-block: clamp(40px, 8vw, 84px);
  scroll-margin-top: 76px;
}
.page-faq .faq-group--paper {
  color: var(--paper-ink);
}
.page-faq .faq-group--ink {
  color: var(--paper);
}
.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 3vw, 28px);
  align-items: start;
}
.page-faq .faq-group__headings {
  min-width: 0;
}
.page-faq .faq-group__num {
  font-size: clamp(2.2rem, 7vw, 3.8rem);
  font-weight: 800;
  line-height: .85;
  transition: color 200ms var(--ease);
}
.page-faq .faq-group--paper .faq-group__num {
  color: rgba(188, 50, 8, .34);
}
.page-faq .faq-group--ink .faq-group__num {
  color: rgba(255, 74, 23, .38);
}
.page-faq .faq-group__intro {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: .98rem;
  line-height: 1.75;
  opacity: .82;
}
.page-faq .faq-group__bar {
  height: 2px;
  margin-top: 20px;
  transition: background-color 200ms var(--ease);
}
.page-faq .faq-group--paper .faq-group__bar {
  background: var(--faq-rule-light);
}
.page-faq .faq-group--ink .faq-group__bar {
  background: var(--faq-rule-dark);
}
.page-faq .faq-group:target .faq-group__num {
  color: var(--flame);
}
.page-faq .faq-group:target .faq-group__bar {
  background: var(--flame);
}
.page-faq .faq-group__body {
  margin-top: clamp(22px, 4vw, 36px);
}

/* 问答条目 */
.page-faq .faq-list {
  margin-top: clamp(20px, 4vw, 32px);
}
.page-faq .faq-group__body .faq-list {
  margin-top: 0;
}
.page-faq .faq-group--paper .faq-list {
  border-top: 1px solid var(--faq-rule-light);
}
.page-faq .faq-group--ink .faq-list {
  border-top: 1px solid var(--faq-rule-dark);
}
.page-faq .faq-item {
  border-bottom: 1px solid transparent;
}
.page-faq .faq-group--paper .faq-item {
  border-bottom-color: var(--faq-rule-light);
}
.page-faq .faq-group--ink .faq-item {
  border-bottom-color: var(--faq-rule-dark);
}
.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding-block: clamp(14px, 2.6vw, 20px);
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__idx {
  font-size: 12px;
  letter-spacing: .04em;
}
.page-faq .faq-group--paper .faq-item__idx {
  color: rgba(31, 28, 26, .45);
}
.page-faq .faq-group--ink .faq-item__idx {
  color: var(--silver);
}
.page-faq .faq-item__text {
  font-size: clamp(1rem, 2.6vw, 1.08rem);
  font-weight: 700;
  line-height: 1.55;
  transition: color 180ms var(--ease);
}
.page-faq .faq-item__q:hover .faq-item__text {
  color: var(--flame);
}
.page-faq .faq-group--paper .faq-item__q:hover .faq-item__text,
.page-faq .faq-group--paper .faq-item[open] .faq-item__text {
  color: var(--flame-deep);
}
.page-faq .faq-group--ink .faq-item[open] .faq-item__text {
  color: var(--flame);
}
.page-faq .faq-item__mark {
  position: relative;
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}
.page-faq .faq-group--paper .faq-item__mark {
  color: rgba(31, 28, 26, .5);
}
.page-faq .faq-group--ink .faq-item__mark {
  color: var(--silver);
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}
.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  transition: transform 200ms var(--ease);
}
.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translateX(-50%) scaleY(0);
}
.page-faq .faq-item__a {
  padding-left: clamp(0px, 4vw, 42px);
  padding-bottom: clamp(16px, 3vw, 24px);
  max-width: 68ch;
}
.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: .97rem;
  line-height: 1.8;
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a a,
.page-faq .faq-elsewhere__text a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--flame);
  transition: color 180ms var(--ease);
}
.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--flame);
}
.page-faq .faq-group--paper .faq-item__a a:hover,
.page-faq .faq-group--paper .faq-item__a a:focus-visible {
  color: var(--flame-deep);
}

/* 图片 */
.page-faq .faq-figure,
.page-faq .faq-banner {
  margin: 0;
}
.page-faq .faq-figure img,
.page-faq .faq-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-card);
  object-fit: cover;
}
.page-faq .faq-banner {
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-faq .media__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  opacity: .7;
}

/* 末尾说明 */
.page-faq .faq-elsewhere {
  padding-block: clamp(40px, 7vw, 76px);
  color: var(--paper-ink);
}
.page-faq .faq-elsewhere__text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: .98rem;
  line-height: 1.8;
}
.page-faq .faq-elsewhere__text a:hover,
.page-faq .faq-elsewhere__text a:focus-visible {
  color: var(--flame-deep);
}

@media (min-width: 900px) {
  .page-faq .faq-jump__inner {
    padding-block: 16px;
  }
  .page-faq .faq-group__body--split {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-faq .faq-figure--side {
    position: sticky;
    top: 96px;
  }
  .page-faq .faq-group {
    scroll-margin-top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-item__text,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-group__num,
  .page-faq .faq-group__bar,
  .page-faq .faq-item__a a {
    transition: none;
  }
  .page-faq .faq-jump__link:hover,
  .page-faq .faq-jump__link:focus-visible {
    transform: none;
  }
}
</main>