.page-faq {
  --faq-line: rgba(242, 231, 211, 0.10);
  --faq-body-text: rgba(242, 231, 211, 0.80);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(64px, 9vw, 120px);
  overflow-x: hidden;
}

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

.page-faq .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 3.6vw, 44px) 0 clamp(26px, 3.6vw, 42px);
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: clamp(60px, 18vw, 220px);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.26em;
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(44px, 8.5vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sand);
}

.page-faq .faq-hero__label {
  display: none;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  padding-top: clamp(26px, 4vw, 48px);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
  border-top: 1px solid var(--hair);
  padding-top: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--sand);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--hair-soft);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease),
    background 0.25s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--gold);
  color: var(--gold-bright);
  background: rgba(200, 162, 75, 0.08);
  outline: none;
}

.page-faq .faq-index__no {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-index__count {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sand);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sand);
}

.page-faq .faq-index__note a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-decoration-color: var(--azurite);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 110px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 68px);
  padding-top: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--hair-soft);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  margin-bottom: 18px;
}

.page-faq .faq-group__no {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--frost);
}

.page-faq .faq-group__desc {
  grid-column: 2;
  margin: 8px 0 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sand);
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 0 0 20px;
}

.page-faq .media__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--pine);
}

.page-faq .faq-media--slant .media__frame {
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 24px),
    calc(100% - 24px) 100%,
    0 100%
  );
}

.page-faq .faq-media--square .media__frame {
  clip-path: polygon(
    0 0,
    calc(100% - 20px) 0,
    100% 20px,
    100% 100%,
    20px 100%,
    0 calc(100% - 20px)
  );
}

.page-faq .faq-media__caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--sand);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .faq-item__no {
  display: inline-block;
  min-width: 34px;
  padding: 3px 5px;
  text-align: center;
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid var(--hair);
  background: rgba(200, 162, 75, 0.06);
}

.page-faq .faq-item__q {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item summary:hover .faq-item__q,
.page-faq .faq-item summary:focus-visible .faq-item__q {
  color: var(--gold-bright);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--frost);
}

.page-faq .faq-item__sign {
  position: relative;
  width: 12px;
  height: 12px;
  margin-top: 8px;
  flex: none;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: translateY(-50%);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-faq .faq-item__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  margin: 0 0 18px;
  padding: 2px 0 0 18px;
  border-left: 1px solid rgba(200, 162, 75, 0.45);
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body-text);
  animation: faq-reveal 0.32s var(--ease) both;
}

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

.page-faq .faq-item__a a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-decoration-color: var(--azurite);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--frost);
  text-decoration-color: var(--gold);
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 底部求助面板 ---------- */
.page-faq .faq-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(46px, 7vw, 96px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--hair);
  background: linear-gradient(
    135deg,
    rgba(31, 42, 37, 0.92),
    rgba(23, 18, 15, 0.96)
  );
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 26px),
    calc(100% - 26px) 100%,
    0 100%
  );
}

.page-faq .faq-help__eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.24em;
}

.page-faq .faq-help__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--frost);
}

.page-faq .faq-help__text {
  margin: 0 0 20px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body-text);
}

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

.page-faq .faq-help__meta div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-faq .faq-help__meta dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sand);
}

.page-faq .faq-help__meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 断点 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-right: clamp(60px, 8vw, 110px);
  }

  .page-faq .faq-hero__label {
    display: block;
    position: absolute;
    right: 0;
    top: clamp(30px, 4vw, 56px);
    color: var(--gold);
    font-size: 11px;
    letter-spacing: 0.3em;
  }

  .page-faq .faq-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 118px;
    align-self: start;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item + .faq-index__item {
    margin-top: 2px;
  }

  .page-faq .faq-index__link {
    padding: 10px 0 10px 12px;
    border: 0;
    border-left: 1px solid var(--hair-soft);
    white-space: normal;
    background: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--gold);
    background: rgba(200, 162, 75, 0.07);
  }

  .page-faq .faq-index__count {
    font-size: 11px;
  }

  .page-faq .faq-item summary {
    padding: 18px 2px;
    gap: 16px;
  }

  .page-faq .faq-item__q {
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    font-size: 15.5px;
    padding-left: 22px;
  }

  .page-faq .faq-media {
    max-width: 640px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-index__link,
  .page-faq .faq-item summary,
  .page-faq .faq-item__q {
    transition: none;
  }
}