.page-faq {
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-cn);
}

/* ── 面包屑 ───────────────────────────── */
.page-faq .breadcrumb {
  margin: 18px 0 10px;
}

/* ── 页头框景 ─────────────────────────── */
.page-faq .faq-head {
  position: relative;
  background:
    radial-gradient(120% 90% at 86% 0%, rgba(201, 242, 78, .10) 0%, transparent 56%),
    linear-gradient(180deg, var(--grass) 0%, var(--grass-deep) 100%);
  overflow: hidden;
}

.page-faq .faq-head::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--signal) 0 30%, var(--lime) 30% 58%, transparent 58%);
}

.page-faq .faq-head__inner {
  display: grid;
  gap: 26px;
  padding: 34px 0 42px;
}

.page-faq .faq-head__title {
  margin: 12px 0 0;
  font-size: clamp(2rem, 5.6vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--white);
  font-weight: 800;
}

.page-faq .faq-head__lead {
  margin: 16px 0 0;
  max-width: 50ch;
  color: var(--mist);
  font-size: .98rem;
  line-height: 1.8;
}

.page-faq .faq-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-head__meta li {
  position: relative;
  padding-left: 14px;
}

.page-faq .faq-head__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 6px;
  height: 1px;
  background: var(--signal);
}

.page-faq .faq-head__media {
  margin: 0;
  border: 1px solid var(--hair-strong);
  background: var(--grass-deep);
}

.page-faq .faq-head__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
}

/* ── 快捷跳转带 ───────────────────────── */
.page-faq .faq-jump {
  background: var(--grass-deep);
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-jump__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding: 14px 0;
}

.page-faq .faq-jump__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-faq .faq-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--mist);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ── 主体连续画布 ─────────────────────── */
.page-faq .faq-body {
  padding-top: 4px;
  padding-bottom: 68px;
}

.page-faq .faq-group {
  padding: 46px 0 8px;
  border-top: 1px solid var(--hair);
  scroll-margin-top: 96px;
}

.page-faq .faq-body > .faq-group:first-child {
  border-top: 0;
  padding-top: 34px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-group__index {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--lime);
  transition: color var(--t-base) var(--ease);
}

.page-faq .faq-group:has(.qa[open]) .faq-group__num {
  color: var(--signal);
}

.page-faq .faq-group__rule {
  flex: 1 1 auto;
  height: 1px;
  background: var(--hair-strong);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--white);
  font-weight: 800;
}

.page-faq .faq-group__desc {
  margin: 8px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: .94rem;
  line-height: 1.78;
}

/* ── 折叠问答条目 ─────────────────────── */
.page-faq .qa {
  border-top: 1px solid var(--hair);
  background: var(--grass-deep);
  transition: box-shadow var(--t-base) var(--ease);
}

.page-faq .qa:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-faq .qa[open] {
  box-shadow: inset 3px 0 0 var(--lime);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  margin: 0;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.55;
  transition: background-color var(--t-fast) var(--ease);
}

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

.page-faq .qa__q::marker {
  content: none;
}

.page-faq .qa__q:hover {
  background: rgba(201, 242, 78, .06);
}

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

.page-faq .qa__icon {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: .3em;
  overflow: visible;
  color: var(--mist);
  transition: color var(--t-fast) var(--ease);
}

.page-faq .qa__icon line {
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  transition: opacity var(--t-fast) var(--ease);
}

.page-faq .qa[open] .qa__icon {
  color: var(--lime);
}

.page-faq .qa[open] .qa__icon-v {
  opacity: 0;
}

.page-faq .qa__a {
  background: var(--paper);
  color: var(--on-paper);
  padding: 18px 20px 22px;
  font-size: .96rem;
  line-height: 1.78;
  animation: faq-answer-in var(--t-base) var(--ease);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

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

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

.page-faq .qa__figure {
  margin: 16px 0 4px;
  max-width: 300px;
}

.page-faq .qa__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(38, 48, 42, .18);
}

.page-faq .qa__figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--on-paper-soft);
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── 页尾联系区 ───────────────────────── */
.page-faq .faq-cta {
  margin-top: 46px;
  background:
    linear-gradient(135deg, rgba(255, 90, 43, .12) 0%, transparent 46%),
    var(--grass);
  border: 1px solid var(--hair);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 22px;
  padding: 30px 22px;
}

.page-faq .faq-cta .section__title {
  margin: 10px 0 0;
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  max-width: 52ch;
  color: var(--mist);
  font-size: .94rem;
  line-height: 1.78;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── 窄屏微调 ─────────────────────────── */
@media (max-width: 479px) {
  .page-faq .qa__q {
    font-size: .95rem;
    padding: 15px 14px;
  }

  .page-faq .qa__a {
    padding: 16px 15px 20px;
    font-size: .93rem;
  }

  .page-faq .faq-jump__inner {
    gap: 8px 16px;
  }
}

/* ── 桌面双栏与横向展开 ───────────────── */
@media (min-width: 900px) {
  .page-faq .faq-head__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: 52px;
    align-items: center;
    padding: 62px 0 72px;
  }

  .page-faq .faq-head__media {
    align-self: stretch;
  }

  .page-faq .faq-head__media img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }

  .page-faq .faq-group__head {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

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

  .page-faq .faq-group__num {
    display: block;
    font-size: 1.7rem;
  }

  .page-faq .faq-group__rule {
    width: 36px;
    margin-top: 14px;
  }

  .page-faq .qa__q {
    padding: 19px 24px;
  }

  .page-faq .qa__a {
    padding: 22px 24px 26px 52px;
  }

  .page-faq .qa__figure {
    margin-left: 0;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1.5fr) auto;
    align-items: center;
    gap: 44px;
    padding: 44px 42px;
  }
}

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

  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__icon,
  .page-faq .qa__icon line,
  .page-faq .faq-jump__link,
  .page-faq .faq-group__num {
    transition: none;
  }
}