.page-faq {
  --faq-num-w: 40px;
  --faq-gap: 14px;
  --faq-pad: 18px;
}

@media (min-width: 720px) {
  .page-faq {
    --faq-num-w: 56px;
    --faq-gap: 22px;
    --faq-pad: 24px;
  }
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding: 22px 0 0;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 28px 0 8px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-hero__intro .lede {
  margin-top: 16px;
  max-width: 48ch;
}

.page-faq .faq-hero__media {
  position: relative;
}

.page-faq .faq-hero__media .figure-frame {
  border: 1px solid var(--line);
  background: var(--night);
}

.page-faq .faq-hero__caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--metal);
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 44px 0 12px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
  }
}

/* ---------- 索引区块 ---------- */
.page-faq .faq-index-block {
  padding: 56px 0 0;
}

.page-faq .faq-index-block__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: end;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 860px) {
  .page-faq .faq-index-block__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 40px;
  }
}

.page-faq .faq-index-block__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 900px) {
  .page-faq .faq-index__list {
    grid-template-columns: 1fr 1fr;
    column-gap: 48px;
  }
  .page-faq .faq-index__item:nth-child(odd) {
    border-right: 1px solid var(--line-soft);
    padding-right: 24px;
  }
  .page-faq .faq-index__item:nth-child(even) {
    padding-left: 24px;
  }
}

.page-faq .faq-index__item {
  border-top: 1px solid var(--line-soft);
  list-style: none;
}

.page-faq .faq-index__card {
  display: grid;
  grid-template-columns: var(--faq-num-w) minmax(0, 1fr) auto;
  grid-template-areas:
    "no title count"
    "no desc desc";
  gap: 6px var(--faq-gap);
  padding: 18px 4px;
  text-decoration: none;
  color: inherit;
  transition: background-color 200ms var(--ease), padding-left 220ms var(--ease);
}

.page-faq .faq-index__card:hover,
.page-faq .faq-index__card:focus-visible {
  background: var(--mist);
  padding-left: 12px;
}

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

.page-faq .faq-index__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-faq .faq-index__title {
  grid-area: title;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -.015em;
  color: var(--deep);
}

.page-faq .faq-index__count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--metal);
  padding-top: 5px;
  white-space: nowrap;
}

.page-faq .faq-index__desc {
  grid-area: desc;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 筛选行 ---------- */
.page-faq .faq-filter {
  margin-top: 48px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-faq .faq-filter {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 28px;
  }
}

.page-faq .faq-filter__label {
  margin: 0;
  font-family: var(--font-edit);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--metal);
  white-space: nowrap;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: 56px 0 8px;
}

.page-faq .faq-group + .faq-group {
  border-top: 1px solid var(--line-soft);
  margin-top: 48px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 26px;
}

@media (min-width: 900px) {
  .page-faq .faq-group__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: end;
  }
}

.page-faq .faq-group__headline .section-title {
  margin-top: 8px;
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 56ch;
}

.page-faq .faq-group__media {
  margin: 0 0 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--night);
}

.page-faq .faq-group__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .faq-group__list {
  display: grid;
  gap: 0;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--line-soft);
  transition: opacity 220ms var(--ease), filter 220ms var(--ease);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-item.is-muted {
  opacity: .3;
  filter: grayscale(1);
}

.page-faq .faq-item__head {
  display: grid;
  grid-template-columns: var(--faq-num-w) minmax(0, 1fr) 18px;
  gap: var(--faq-gap);
  padding: var(--faq-pad) 4px;
  cursor: pointer;
  list-style: none;
  align-items: start;
  transition: background-color 200ms var(--ease);
}

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

.page-faq .faq-item__head:hover {
  background: var(--mist);
}

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

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 5px;
}

.page-faq .faq-item__q {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -.008em;
  color: var(--deep);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
  margin-top: 8px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 1.5px;
  background: var(--metal);
  transform: translateY(-50%);
  transition: transform 260ms var(--ease), opacity 260ms var(--ease), background-color 200ms var(--ease);
}

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

.page-faq .faq-item__head:hover .faq-item__mark::before,
.page-faq .faq-item__head:hover .faq-item__mark::after {
  background: var(--cyan);
}

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

.page-faq .faq-item__body {
  padding: 0 4px 26px;
}

@media (min-width: 720px) {
  .page-faq .faq-item__body {
    padding-left: calc(var(--faq-num-w) + var(--faq-gap) + 4px);
    padding-right: 48px;
  }
}

.page-faq .faq-item__body p {
  margin: 0 0 1em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-mid);
  max-width: 68ch;
}

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

.page-faq .faq-item__body .status {
  display: inline-block;
  margin: 0 3px;
  padding: 1px 7px;
  font-size: 12.5px;
  vertical-align: 1px;
  white-space: nowrap;
}

/* ---------- 联络面板 ---------- */
.page-faq .faq-group--contact {
  padding-bottom: 64px;
}

.page-faq .faq-contact-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 32px 24px;
  background: linear-gradient(140deg, var(--deep) 0%, var(--night) 100%);
  border: 1px solid rgba(0, 194, 199, .24);
  overflow: hidden;
  isolation: isolate;
}

.page-faq .faq-contact-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 194, 199, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 194, 199, .07) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
  z-index: -1;
}

@media (min-width: 900px) {
  .page-faq .faq-contact-panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    padding: 48px 44px;
  }
}

.page-faq .faq-contact-panel .eyebrow {
  color: var(--cyan);
}

.page-faq .faq-contact-panel .section-title {
  color: var(--paper);
  margin-top: 8px;
}

.page-faq .faq-contact-panel__body p {
  margin: 0 0 1.1em;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 247, 251, .78);
  max-width: 62ch;
}

.page-faq .faq-contact-panel__list {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 18px 0 0;
  border-top: 1px solid rgba(140, 151, 168, .24);
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact-panel__row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
}

.page-faq .faq-contact-panel__key {
  font-family: var(--font-edit);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--metal);
}

.page-faq .faq-contact-panel__val {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-panel__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--metal);
  max-width: 62ch;
}

.page-faq .faq-contact-panel__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 194, 199, .42);
  transition: border-color 200ms var(--ease);
}

.page-faq .faq-contact-panel__note a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-back {
  margin: 22px 0 0;
  font-size: 13.5px;
}

.page-faq .faq-back a {
  color: var(--orbit);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: .04em;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-back a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-item,
  .page-faq .faq-index__card {
    transition: none !important;
  }
}
</PAGE_CSS>>>