.page-faq {
  --faq-measure: 860px;
  --faq-hair: rgba(242, 239, 230, .22);
}

.page-faq .faq-hero {
  padding: 26px 0 44px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero__grid {
  margin-top: 20px;
  align-items: start;
}

.page-faq .faq-hero__en {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: var(--fs-1);
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.08;
  color: var(--c-paper);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: var(--fs-5);
  line-height: 1.85;
  color: rgba(242, 239, 230, .84);
}

.page-faq .faq-hero__media-wrap {
  margin-top: 28px;
}

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

/* 时间刻度 */
.page-faq .faq-ticker {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--faq-hair);
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-faq .faq-ticker__node {
  position: relative;
  padding-left: 15px;
  min-width: 0;
}

.page-faq .faq-ticker__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--c-lime);
}

.page-faq .faq-ticker__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-faq .faq-ticker__desc {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(242, 239, 230, .62);
}

/* 检索 */
.page-faq .faq-search {
  margin-top: 30px;
}

.page-faq .faq-search__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-lime);
  margin-bottom: 9px;
}

.page-faq .faq-search__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.page-faq .faq-search__input {
  flex: 1 1 280px;
  min-width: 0;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--c-paper);
  background: rgba(242, 239, 230, .05);
  border: 1px solid rgba(242, 239, 230, .3);
  border-radius: var(--radius);
  padding: 13px 16px;
  outline: none;
  transition: border-color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(242, 239, 230, .42);
}

.page-faq .faq-search__input:focus {
  border-color: var(--c-lime);
  background: rgba(242, 239, 230, .09);
  box-shadow: 0 0 0 2px rgba(200, 245, 60, .3);
}

.page-faq .faq-search__tally {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(242, 239, 230, .7);
  white-space: nowrap;
}

.page-faq .faq-search__tally b {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-timer);
  margin: 0 2px;
}

/* 分类索引 */
.page-faq .faq-index {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  min-width: 0;
  border: 1px solid rgba(242, 239, 230, .2);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  border-color: var(--c-lime);
  background: rgba(200, 245, 60, .09);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--c-lime);
}

.page-faq .faq-index__name {
  font-size: 14px;
  color: rgba(242, 239, 230, .86);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 问答正文 */
.page-faq .faq-body {
  padding: 40px 0 56px;
}

.page-faq .faq-body__inner {
  max-width: var(--faq-measure);
}

.page-faq .faq-group {
  border: 1px solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--c-paper);
  margin-bottom: 14px;
  scroll-margin-top: 20px;
}

.page-faq .faq-group__head {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  background: var(--c-night);
  color: var(--c-paper);
  border-bottom: 1px solid var(--c-ink);
  transition: background .18s var(--ease);
}

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

.page-faq .faq-group:not([open]) .faq-group__head {
  border-bottom-color: transparent;
}

.page-faq .faq-group__head:hover {
  background: var(--c-night-deep);
}

.page-faq .faq-group__head:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: -2px;
}

.page-faq .faq-group__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-lime);
  flex: 0 0 auto;
}

.page-faq .faq-group__name {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--c-paper);
}

.page-faq .faq-group__count {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(242, 239, 230, .7);
}

.page-faq .faq-group__head::after {
  content: "+";
  flex: 0 0 auto;
  width: 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-lime);
}

.page-faq .faq-group[open] > .faq-group__head::after {
  content: "–";
}

.page-faq .faq-group__body {
  background: var(--c-paper);
}

.page-faq .faq-item {
  border-top: 1px solid var(--c-stack);
}

.page-faq .faq-item:first-child {
  border-top: none;
}

.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 15px 52px 15px 30px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--c-ink);
  transition: background .16s var(--ease);
}

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

.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 22px;
  width: 8px;
  height: 8px;
  background: var(--c-stack);
  transition: background .16s var(--ease);
}

.page-faq .faq-item[open] > .faq-item__q::before {
  background: var(--c-lime);
  outline: 1px solid var(--c-ink);
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  color: var(--c-moss);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "–";
  color: var(--c-ink);
}

.page-faq .faq-item__q:hover {
  background: rgba(217, 211, 196, .38);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: -2px;
}

.page-faq .faq-item__a {
  padding: 0 30px 18px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(20, 24, 28, .86);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a a {
  color: var(--c-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 人工支持 */
.page-faq .faq-help {
  padding: 46px 0 54px;
}

.page-faq .faq-help__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

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

.page-faq .faq-help__title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-size: var(--fs-2);
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.24;
  color: var(--c-paper);
}

.page-faq .faq-help__lead {
  margin: 14px 0 0;
  max-width: 38em;
  font-size: var(--fs-5);
  line-height: 1.85;
  color: rgba(242, 239, 230, .84);
}

.page-faq .faq-help__list {
  margin: 20px 0 0;
  color: rgba(242, 239, 230, .9);
}

.page-faq .faq-help__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-help__actions .btn--ghost {
  color: var(--c-paper);
}

@media (min-width: 640px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 54px;
  }

  .page-faq .faq-hero__media-wrap {
    margin-top: 8px;
  }

  .page-faq .faq-ticker {
    margin-top: 46px;
    overflow-x: visible;
  }

  .page-faq .faq-body {
    padding: 56px 0 72px;
  }

  .page-faq .faq-help__layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-search__input,
  .page-faq .faq-index__item,
  .page-faq .faq-group__head,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::before {
    transition: none;
  }
}