.page-faq {
  --faq-gutter: clamp(20px, 4vw, 48px);
  --faq-block: clamp(48px, 8vw, 92px);
  --faq-shadow: 0 1px 2px rgba(23, 20, 18, .05);
  position: relative;
  background: var(--cs-cream);
  color: var(--cs-ink);
  font-family: var(--cs-body);
  line-height: 1.85;
  overflow-x: clip;
}

.page-faq .cs-container {
  width: 100%;
  max-width: var(--cs-max);
  margin: 0 auto;
  padding: 0 var(--faq-gutter);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--cs-header-h) + 24px) 0 clamp(40px, 6vw, 64px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(200, 50, 42, .11), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(217, 164, 65, .14), transparent 58%),
    linear-gradient(180deg, #FFFBF3 0%, var(--cs-cream) 100%);
  border-bottom: 1px solid var(--cs-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cs-red) 0%, var(--cs-red) 32%, var(--cs-gold) 32%, var(--cs-gold) 56%, var(--cs-ink) 56%, var(--cs-ink) 100%);
  opacity: .9;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: var(--faq-gutter);
  bottom: 18px;
  width: 86px;
  height: 86px;
  border-right: 1px solid var(--cs-line);
  border-bottom: 1px solid var(--cs-line);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 26px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--cs-display);
  font-weight: 900;
  font-size: clamp(28px, 6.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--cs-ink);
}

.page-faq .faq-hero__title-em {
  display: block;
  color: var(--cs-red);
  background: linear-gradient(180deg, transparent 66%, rgba(217, 164, 65, .38) 66%);
  background-size: 100% .48em;
  background-repeat: no-repeat;
  background-position: 0 88%;
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16px;
  color: var(--cs-brown);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .faq-hero__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding-top: 22px;
  border-top: 1px solid var(--cs-line);
}

.page-faq .faq-hero__stamp {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 14px;
  background: var(--cs-ink);
  color: var(--cs-gold-light);
  border-left: 3px solid var(--cs-red);
}

.page-faq .faq-hero__stamp-k {
  font-size: 12px;
  letter-spacing: .18em;
}

.page-faq .faq-hero__stamp-v {
  font-family: var(--cs-mono);
  font-weight: 700;
  font-size: 17px;
  color: #fff;
}

.page-faq .faq-hero__side-note {
  margin: 0;
  font-size: 13px;
  color: var(--cs-brown);
}

/* ---------- 内容主干 ---------- */

.page-faq .faq-flow {
  padding-bottom: var(--faq-block);
}

.page-faq .faq-sec {
  padding-top: var(--faq-block);
  scroll-margin-top: 84px;
}

.page-faq .faq-sec__head {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--cs-line);
}

.page-faq .faq-sec__all {
  margin-top: 16px;
}

.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

.page-faq .cs-media {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(45deg, rgba(226, 215, 196, .55) 0 1px, transparent 1px 12px),
    var(--cs-card);
  border: 1px solid var(--cs-line);
}

.page-faq .cs-media--wide {
  aspect-ratio: 7 / 4;
}

.page-faq .cs-media--tall {
  aspect-ratio: 10 / 7;
}

.page-faq .cs-media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .cs-media__cap {
  margin-top: 10px;
  font-size: 12px;
  color: var(--cs-brown);
  letter-spacing: .02em;
}

/* ---------- 版本时间轴 ---------- */

.page-faq .faq-tl {
  display: flex;
  gap: 0;
  margin: 32px 0 0;
  padding: 22px 0 10px;
  list-style: none;
  border-top: 1px solid var(--cs-line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-tl::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-tl::-webkit-scrollbar-thumb {
  background: var(--cs-line);
}

.page-faq .faq-tl__item {
  flex: 1 0 86px;
  min-width: 86px;
}

.page-faq .faq-tl__link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 8px 22px 14px;
  border-left: 1px solid var(--cs-line);
  text-decoration: none;
  color: inherit;
  transition: background .22s var(--cs-ease);
}

.page-faq .faq-tl__link:hover {
  background: rgba(217, 164, 65, .13);
}

.page-faq .faq-tl__link:hover .faq-tl__dot {
  background: var(--cs-gold);
}

.page-faq .faq-tl__dot {
  position: absolute;
  left: -5px;
  top: 18px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cs-cream);
  border: 2px solid var(--cs-gold);
  transition: background .22s var(--cs-ease);
}

.page-faq .faq-tl__ver {
  font-size: 14px;
  font-weight: 700;
  color: var(--cs-ink);
  letter-spacing: -.01em;
}

.page-faq .faq-tl__name {
  font-size: 12px;
  color: var(--cs-brown);
  line-height: 1.5;
}

.page-faq .faq-tl__item:nth-child(1) .faq-tl__link { padding-bottom: 18px; }
.page-faq .faq-tl__item:nth-child(2) .faq-tl__link { padding-bottom: 22px; }
.page-faq .faq-tl__item:nth-child(3) .faq-tl__link { padding-bottom: 26px; }
.page-faq .faq-tl__item:nth-child(4) .faq-tl__link { padding-bottom: 30px; }
.page-faq .faq-tl__item:nth-child(5) .faq-tl__link { padding-bottom: 36px; }
.page-faq .faq-tl__item:nth-child(6) .faq-tl__link { padding-bottom: 32px; }
.page-faq .faq-tl__item:nth-child(7) .faq-tl__link { padding-bottom: 28px; }
.page-faq .faq-tl__item:nth-child(8) .faq-tl__link { padding-bottom: 30px; }
.page-faq .faq-tl__item:nth-child(9) .faq-tl__link { padding-bottom: 38px; }
.page-faq .faq-tl__item:nth-child(10) .faq-tl__link { padding-bottom: 34px; }
.page-faq .faq-tl__item:nth-child(11) .faq-tl__link { padding-bottom: 30px; }
.page-faq .faq-tl__item:nth-child(12) .faq-tl__link { padding-bottom: 44px; }

.page-faq .faq-tl__item--now .faq-tl__dot {
  background: var(--cs-red);
  border-color: var(--cs-red);
  box-shadow: 0 0 0 3px rgba(200, 50, 42, .18);
}

.page-faq .faq-tl__item--now .faq-tl__ver {
  color: var(--cs-red);
}

.page-faq .faq-tl__item--now .faq-tl__name {
  color: var(--cs-ink);
}

/* ---------- 变更条目折叠 ---------- */

.page-faq .faq-changes {
  margin-top: 28px;
  border-top: 1px solid var(--cs-line);
}

.page-faq .faq-v {
  background: transparent;
  border-bottom: 1px solid var(--cs-line);
  border-radius: 0;
  transition: background .22s var(--cs-ease);
}

.page-faq .faq-v[data-open] {
  background: var(--cs-card);
  box-shadow: inset 3px 0 0 var(--cs-red);
}

.page-faq .faq-v__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  width: 100%;
  padding: 18px 14px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-v__id {
  flex: 0 0 auto;
  font-family: var(--cs-mono);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.02em;
  color: var(--cs-red);
  min-width: 62px;
}

.page-faq .faq-v__name {
  flex: 1 1 140px;
  font-family: var(--cs-display);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -.01em;
  color: var(--cs-ink);
}

.page-faq .faq-v__scope {
  flex: 0 0 auto;
}

.page-faq .faq-v__arrow,
.page-faq .faq-q__arrow {
  flex: 0 0 auto;
  margin-left: auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--cs-gold);
  border-bottom: 2px solid var(--cs-gold);
  transform: rotate(45deg);
  transition: transform .3s var(--cs-ease);
}

.page-faq .faq-v[data-open] .faq-v__arrow,
.page-faq .faq-q[data-open] .faq-q__arrow {
  transform: rotate(-135deg);
}

.page-faq .faq-v__pad {
  padding: 0 14px 20px 14px;
}

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

.page-faq .faq-v__list li {
  position: relative;
  padding: 7px 0 7px 20px;
  font-size: 15px;
  color: var(--cs-brown);
}

.page-faq .faq-v__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 8px;
  height: 1px;
  background: var(--cs-gold);
}

/* ---------- 五类问答 ---------- */

.page-faq .faq-cats-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 30px;
}

.page-faq .faq-cats-figure {
  margin: 0;
}

.page-faq .faq-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "k n"
    "d d";
  align-items: baseline;
  gap: 4px 12px;
  padding: 14px 16px;
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
  border-radius: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform .22s var(--cs-ease), border-color .22s var(--cs-ease), background .22s var(--cs-ease);
}

.page-faq .faq-cat:hover {
  transform: translateY(-3px);
  border-color: var(--cs-gold);
}

.page-faq .faq-cat[aria-pressed="true"] {
  background: rgba(47, 122, 107, .08);
  border-color: var(--cs-jade);
  box-shadow: inset 0 2px 0 var(--cs-jade);
}

.page-faq .faq-cat__k {
  grid-area: k;
  font-family: var(--cs-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -.01em;
}

.page-faq .faq-cat__n {
  grid-area: n;
  justify-self: end;
  font-size: 22px;
  font-weight: 700;
  color: var(--cs-red);
  line-height: 1;
}

.page-faq .faq-cat[aria-pressed="true"] .faq-cat__n {
  color: var(--cs-jade);
}

.page-faq .faq-cat__d {
  grid-area: d;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cs-brown);
}

/* ---------- 精选问答 ---------- */

.page-faq .faq-qa-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 28px;
}

.page-faq .faq-q {
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
  border-radius: 0;
  box-shadow: var(--faq-shadow);
  transition: transform .22s var(--cs-ease), border-color .22s var(--cs-ease);
}

.page-faq .faq-q:hover {
  transform: translateY(-3px);
  border-color: var(--cs-gold-light);
  box-shadow: inset 0 2px 0 var(--cs-gold-light), var(--faq-shadow);
}

.page-faq .faq-q[data-open] {
  border-color: var(--cs-gold);
}

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

.page-faq .faq-q__head {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 16px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-q__idx {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--cs-brown);
}

.page-faq .faq-q__cat {
  flex: 0 0 auto;
}

.page-faq .faq-q__title {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--cs-ink);
}

.page-faq .faq-q__pad {
  padding: 2px 16px 20px;
}

.page-faq .faq-q__pad p {
  margin: 0;
  font-size: 15px;
  color: var(--cs-brown);
}

.page-faq .faq-q__link {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--cs-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 50, 42, .35);
  transition: border-color .22s var(--cs-ease), color .22s var(--cs-ease);
}

.page-faq .faq-q__link:hover {
  color: var(--cs-red-deep);
  border-color: var(--cs-red-deep);
}

/* ---------- 继续求助 ---------- */

.page-faq .faq-help {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 30px;
  padding: clamp(22px, 4vw, 36px);
  background: var(--cs-ink);
  color: #F2EAD9;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(217, 164, 65, .28);
  pointer-events: none;
}

.page-faq .faq-help__main {
  position: relative;
  z-index: 1;
}

.page-faq .faq-help__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: #E4D9C4;
}

.page-faq .faq-help__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  padding-bottom: 11px;
  border-bottom: 1px dashed rgba(226, 215, 196, .22);
  font-size: 14px;
}

.page-faq .faq-help__k {
  flex: 0 0 76px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cs-gold);
}

.page-faq .faq-help__list a {
  color: #F2EAD9;
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, .5);
}

.page-faq .faq-help__list a:hover {
  color: var(--cs-gold-light);
}

.page-faq .faq-help__side {
  position: relative;
  z-index: 1;
  padding-top: 20px;
  border-top: 1px solid rgba(226, 215, 196, .22);
}

.page-faq .faq-help__side-k {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cs-gold);
}

.page-faq .faq-help__steps {
  margin: 0 0 18px;
  padding-left: 18px;
  font-size: 14px;
  color: #E4D9C4;
}

.page-faq .faq-help__steps li + li {
  margin-top: 6px;
}

/* ---------- 整理与更正 ---------- */

.page-faq .faq-sec--last {
  padding-bottom: 8px;
}

.page-faq .faq-consistency {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 28px;
  background: var(--cs-line);
  border: 1px solid var(--cs-line);
}

.page-faq .faq-consistency__item {
  padding: 22px 20px;
  background: var(--cs-card);
}

.page-faq .faq-consistency__t {
  margin: 12px 0 8px;
  font-family: var(--cs-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--cs-ink);
}

.page-faq .faq-consistency__item p {
  margin: 0;
  font-size: 14px;
  color: var(--cs-brown);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-consistency {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-help__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-hero__side {
    padding-top: 0;
    padding-left: 28px;
    border-top: 0;
    border-left: 1px solid var(--cs-line);
    min-height: 168px;
    justify-content: flex-end;
  }

  .page-faq .faq-cats-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-faq .faq-help__side {
    padding-top: 0;
    padding-left: 32px;
    border-top: 0;
    border-left: 1px solid rgba(226, 215, 196, .22);
  }

  .page-faq .faq-v__head {
    padding: 20px 18px;
  }

  .page-faq .faq-v__pad {
    padding: 0 18px 24px 96px;
  }

  .page-faq .faq-q__head {
    padding: 18px 22px;
  }

  .page-faq .faq-q__pad {
    padding: 2px 22px 22px 68px;
  }

  .page-faq .faq-qa-list {
    gap: 10px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--cs-header-h) + 44px);
  }

  .page-faq .faq-cats-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-consistency__item {
    padding: 28px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-q,
  .page-faq .faq-tl__link,
  .page-faq .faq-v__arrow,
  .page-faq .faq-q__arrow {
    transition: opacity .2s linear;
  }

  .page-faq .faq-cat:hover,
  .page-faq .faq-q:hover {
    transform: none;
  }
}