.page-faq {
  --faq-orange-ink: #C4691A;
  --faq-idx-top: 88px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 24px 0 56px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -200px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 32%, rgba(46, 139, 214, 0.22), rgba(44, 158, 122, 0.10) 54%, transparent 74%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-faq .faq-hero__grid > * {
  min-width: 0;
}

.page-faq .faq-hero__title {
  margin: 6px 0 0;
  color: var(--sky-deep);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  color: var(--ink-soft);
  max-width: 34rem;
}

.page-faq .faq-hero__tags {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__art {
  position: relative;
  isolation: isolate;
  margin: 0;
}

.page-faq .faq-hero__art::after {
  content: "";
  position: absolute;
  right: -16px;
  bottom: -16px;
  width: 58%;
  height: 58%;
  border-radius: var(--radius);
  background: var(--tea-light);
  z-index: -1;
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  padding-top: 8px;
  padding-bottom: 80px;
}

.page-faq .faq-layout {
  display: block;
}

/* 问题索引 */

.page-faq .faq-index {
  margin-bottom: 40px;
  padding: 20px 18px 16px;
  border-radius: var(--radius);
  background: var(--mist);
  max-height: 300px;
  overflow-y: auto;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.page-faq .faq-index__group + .faq-index__group {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-index__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.page-faq .faq-index__label::before {
  content: "";
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
}

.page-faq .faq-index__group[data-acc="sky"] .faq-index__label { color: var(--sky-deep); }
.page-faq .faq-index__group[data-acc="tea"] .faq-index__label { color: var(--tea-deep); }
.page-faq .faq-index__group[data-acc="notice"] .faq-index__label { color: var(--faq-orange-ink); }
.page-faq .faq-index__group[data-acc="ink"] .faq-index__label { color: var(--ink); }

.page-faq .faq-index__link {
  display: block;
  padding: 5px 10px;
  border-radius: 10px;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--white);
  color: var(--sky-deep);
}

/* ---------- 问答流 ---------- */

.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 60px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-faq .faq-group__head::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--hair);
}

.page-faq .faq-group__rule {
  flex: 0 0 auto;
  width: 20px;
  height: 3px;
  border-radius: 2px;
}

.page-faq .faq-group[data-acc="sky"] .faq-group__rule { background: var(--sky); }
.page-faq .faq-group[data-acc="tea"] .faq-group__rule { background: var(--tea); }
.page-faq .faq-group[data-acc="notice"] .faq-group__rule { background: var(--orange); }
.page-faq .faq-group[data-acc="ink"] .faq-group__rule { background: var(--ink); }

.page-faq .faq-group__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .faq-figure {
  margin: 0 0 4px;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--mist), var(--tea-light));
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* 单条问答 */

.page-faq .qa {
  border-bottom: 1px solid var(--tea-light);
}

.page-faq .qa:first-of-type {
  border-top: 1px solid var(--tea-light);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 6px;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--sky-deep);
}

.page-faq .qa__q:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
  border-radius: 8px;
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border: 1.5px solid var(--sky);
  border-radius: 50%;
  transition: border-color 0.24s var(--ease);
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--sky);
  transform: translate(-50%, -50%);
  transition: opacity 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .qa__sign::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .qa__sign::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .qa[open] .qa__sign {
  border-color: var(--orange);
}

.page-faq .qa[open] .qa__sign::before {
  background: var(--orange);
}

.page-faq .qa[open] .qa__sign::after {
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 6px 22px 40px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

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

.page-faq .qa__a strong {
  color: var(--sky-deep);
  font-weight: 700;
}

.page-faq .qa__a a {
  color: var(--tea-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .qa__a a:hover {
  color: var(--sky-deep);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-more .wrap {
  padding-top: 0;
}

.page-faq .faq-more__panel {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: 36px 24px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-more__lead {
  margin: 12px 0 0;
  color: var(--ink-soft);
  max-width: 34rem;
}

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

.page-faq .faq-more__art svg {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 0 auto;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 36px 0 72px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    max-height: none;
    overflow: visible;
  }

  .page-faq .faq-more__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    padding: 48px 40px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-idx-top);
    margin-bottom: 0;
    padding: 0;
    background: transparent;
    border-radius: 0;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 76px;
  }
}

@media (max-width: 699px) {
  .page-faq .qa__a {
    padding-left: 0;
    padding-right: 0;
  }

  .page-faq .faq-group__title {
    white-space: normal;
  }

  .page-faq .faq-more__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__sign,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .qa__q,
  .page-faq .faq-index__link {
    transition: none;
  }
}