.page-faq {
  --faq-shape: 13px 4px 13px 4px;
  --faq-panel: linear-gradient(158deg, rgba(18, 63, 87, 0.42), rgba(6, 24, 38, 0.14));
  --faq-panel-strong: linear-gradient(158deg, rgba(18, 63, 87, 0.62), rgba(11, 42, 61, 0.34));
  --faq-aqua-line: rgba(57, 230, 208, 0.42);
  padding-bottom: 4rem;
}

.page-faq .breadcrumb {
  margin: 1.6rem 0 1.9rem;
  font-size: 0.82rem;
  color: var(--mist);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--aqua);
}

.page-faq .breadcrumb__sep {
  color: var(--ink-700);
}

/* ---------- 首屏拼贴 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 2rem;
  align-items: start;
  margin-bottom: 3rem;
}

.page-faq .faq-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-faq .faq-hero__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 0 4px rgba(57, 230, 208, 0.14);
}

.page-faq .faq-hero__title {
  margin: 0.9rem 0 1.1rem;
  font-size: clamp(2rem, 6.2vw, 3.2rem);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 34em;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.9;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero__panel {
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--faq-shape);
  background:
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 28px),
    var(--faq-panel-strong);
  overflow: hidden;
}

.page-faq .faq-hero__figure {
  position: relative;
  border-radius: 10px 3px 10px 3px;
  overflow: hidden;
}

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

.page-faq .faq-hero__tag {
  position: absolute;
  left: 0.75rem;
  bottom: 0.75rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--faq-aqua-line);
  border-radius: 3px;
  background: rgba(6, 24, 38, 0.78);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--aqua);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stats__item {
  padding: 0.6rem 0.55rem;
  border-left: 2px solid rgba(255, 107, 74, 0.55);
  background: rgba(6, 24, 38, 0.42);
}

.page-faq .faq-stats__num {
  display: block;
  font-family: var(--mono);
  font-size: 1.15rem;
  line-height: 1.2;
  color: var(--coral);
}

.page-faq .faq-stats__label {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-rail {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

.page-faq .faq-rail__card {
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--faq-shape);
  background: var(--faq-panel);
}

.page-faq .faq-rail__card img {
  display: block;
  width: 100%;
  max-height: 150px;
  height: auto;
  object-fit: cover;
  border-radius: 9px 3px 9px 3px;
}

.page-faq .faq-rail__title {
  margin: 0.9rem 0 0.55rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-rail__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.55rem;
  border-left: 2px solid transparent;
  border-radius: 8px 2px 8px 2px;
  color: var(--paper);
  font-size: 0.86rem;
  line-height: 1.4;
  text-decoration: none;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: rgba(57, 230, 208, 0.1);
  border-left-color: var(--aqua);
  outline: none;
}

.page-faq .faq-rail__idx {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--coral);
}

.page-faq .faq-rail__note {
  padding: 0.9rem;
  border: 1px dashed var(--line);
  border-radius: 8px 2px 8px 2px;
}

.page-faq .faq-rail__note p {
  margin: 0 0 0.7rem;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 2.75rem;
  scroll-margin-top: 5rem;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__idx {
  flex: 0 0 auto;
  padding: 0.12rem 0.42rem;
  border: 1px solid var(--faq-aqua-line);
  border-radius: 4px 2px 4px 2px;
  background: rgba(57, 230, 208, 0.08);
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--aqua);
}

.page-faq .faq-group__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-group__count {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-group__intro {
  margin: 0.85rem 0 1.1rem;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-group__intro a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 230, 208, 0.4);
}

.page-faq .faq-group__intro a:hover,
.page-faq .faq-group__intro a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 0.65rem;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--faq-shape);
  background: var(--faq-panel);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(217, 231, 234, 0.24);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-aqua-line);
  background: linear-gradient(158deg, rgba(57, 230, 208, 0.08), rgba(18, 63, 87, 0.3));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.05rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 2px;
  border-radius: 8px 2px 8px 2px;
}

.page-faq .faq-item__marker {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  background: var(--mist);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item__marker::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__marker::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-item__marker::before {
  background: var(--aqua);
}

.page-faq .faq-item[open] .faq-item__marker::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 1.05rem 1.1rem;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.95;
  color: var(--mist);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-support__card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--faq-shape);
  background: var(--faq-panel-strong);
}

.page-faq .faq-support__label {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--aqua);
}

.page-faq .faq-support__value {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-support__note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-support__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-hero__panel {
    padding: 1.1rem;
  }

  .page-faq .faq-rail__card img {
    max-height: 200px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 2.6rem;
    align-items: start;
  }

  .page-faq .faq-group__title {
    font-size: 1.45rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 2rem;
  }

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

  .page-faq .faq-rail__card img {
    max-height: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-rail__link,
  .page-faq .faq-item__marker::before,
  .page-faq .faq-item__marker::after {
    transition: none;
  }
}