.page-faq {
  --faq-line: rgba(220, 227, 232, 0.14);
  --faq-line-copper: rgba(201, 133, 74, 0.34);
  --faq-surface: #123B2F;
  --faq-soft: rgba(18, 59, 47, 0.72);
  --cat: var(--copper);
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(115% 85% at 8% 0%, rgba(95, 168, 94, 0.26), transparent 58%),
    radial-gradient(90% 80% at 100% 110%, rgba(47, 211, 200, 0.14), transparent 62%),
    var(--ink-3);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: 32px;
  padding: 32px 0 44px;
}

.page-faq .faq-hero-copy .breadcrumb {
  margin-bottom: 20px;
}

.page-faq .faq-hero-copy .kicker {
  color: var(--copper);
  margin-bottom: 10px;
}

.page-faq .faq-hero-copy h1 {
  margin: 0 0 18px;
  color: var(--snow);
  max-width: 18em;
}

.page-faq .faq-hero-copy .lede {
  color: rgba(220, 227, 232, 0.78);
  max-width: 40em;
  margin: 0 0 26px;
}

.page-faq .faq-hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.page-faq .faq-hero-facts li {
  border-top: 1px solid var(--faq-line-copper);
  padding-top: 10px;
  font-size: 0.9rem;
  color: rgba(220, 227, 232, 0.7);
  line-height: 1.5;
}

.page-faq .faq-hero-facts .num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--winter);
  line-height: 1.1;
}

.page-faq .media-frame {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-organic);
  border: 1px solid var(--faq-line);
  background: var(--ink-2);
}

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

.page-faq .faq-hero-media {
  aspect-ratio: 4 / 3;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body-title {
  margin: 0 0 24px;
  color: var(--snow);
}

.page-faq .faq-body-grid {
  display: grid;
  gap: 30px;
}

/* 分类索引 */
.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-organic);
  background: var(--faq-soft);
  padding: 20px 18px;
}

.page-faq .faq-index-title {
  margin: 0 0 14px;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 12px 3px 12px 3px;
  color: rgba(220, 227, 232, 0.82);
  text-decoration: none;
  font-size: 0.94rem;
  line-height: 1.5;
  border-left: 2px solid transparent;
  transition: background 0.24s var(--ease), color 0.24s var(--ease),
    border-color 0.24s var(--ease);
}

.page-faq .faq-index-list a .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--copper);
  flex: none;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: rgba(201, 133, 74, 0.12);
  border-left-color: var(--copper);
  color: var(--snow);
}

.page-faq .faq-index-foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-line);
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-index-foot a {
  color: var(--copper);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 42px;
  min-width: 0;
}

.page-faq .faq-cat-head {
  border-left: 3px solid var(--cat);
  padding-left: 16px;
  margin-bottom: 10px;
}

.page-faq .faq-cat--spring { --cat: var(--spring); }
.page-faq .faq-cat--cyan { --cat: var(--cyan); }
.page-faq .faq-cat--autumn { --cat: var(--autumn); }
.page-faq .faq-cat--winter { --cat: var(--winter); }
.page-faq .faq-cat--copper { --cat: var(--copper); }
.page-faq .faq-cat--bud { --cat: var(--bud); }

.page-faq .faq-cat-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--cat);
  margin-bottom: 6px;
}

.page-faq .faq-cat-head h3 {
  margin: 0 0 8px;
  color: var(--snow);
}

.page-faq .faq-cat-lede {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-faq .accordion-group {
  border-top: 1px solid var(--faq-line);
}

.page-faq .accordion-group .accordion {
  border-bottom: 1px solid var(--faq-line);
  background: transparent;
}

.page-faq .accordion summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 18px 46px 18px 0;
  color: var(--snow);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.6;
  transition: color 0.24s var(--ease);
}

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

.page-faq .accordion summary::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border-right: 2px solid var(--copper);
  border-bottom: 2px solid var(--copper);
  transform: rotate(45deg) scale(0.85);
  transition: transform 0.26s var(--ease);
}

.page-faq .accordion[open] summary::after {
  transform: rotate(225deg) scale(0.85);
}

.page-faq .accordion summary:hover,
.page-faq .accordion summary:focus-visible {
  color: var(--copper);
}

.page-faq .accordion[open] summary {
  color: var(--winter);
}

.page-faq .accordion-body {
  padding: 0 46px 22px 0;
  color: rgba(220, 227, 232, 0.78);
  font-size: 0.96rem;
  line-height: 1.78;
}

.page-faq .accordion-body p {
  margin: 0;
}

/* ---------- 联系与反馈 ---------- */
.page-faq .faq-contact-section {
  padding-bottom: 56px;
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 26px;
  border-radius: var(--radius-organic);
  overflow: hidden;
  background: var(--bone);
  border: 1px solid rgba(11, 46, 36, 0.12);
}

.page-faq .faq-contact-panel {
  padding: 28px 22px;
  color: var(--ink-3);
}

.page-faq .faq-contact-panel .faq-cat-num {
  --cat: var(--clay);
  color: var(--clay);
}

.page-faq .faq-contact-panel h2 {
  margin: 0 0 12px;
  color: var(--ink-3);
}

.page-faq .faq-contact-lede {
  margin: 0 0 22px;
  color: rgba(11, 46, 36, 0.76);
  font-size: 0.96rem;
  line-height: 1.75;
}

.page-faq .faq-contact-list {
  margin: 0 0 22px;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact-item {
  display: grid;
  gap: 4px;
  border-top: 1px solid rgba(11, 46, 36, 0.14);
  padding-top: 12px;
}

.page-faq .faq-contact-item dt {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-faq .faq-contact-item dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--ink-3);
}

.page-faq .faq-contact-item dd a {
  color: var(--brick);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-mail {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  word-break: break-all;
  border-bottom: 2px solid var(--copper);
  padding-bottom: 2px;
}

.page-faq .faq-contact-actions {
  margin: 0 0 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-contact-panel .btn--ghost {
  color: var(--ink-3);
  border-color: rgba(11, 46, 36, 0.34);
}

.page-faq .faq-contact-note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--rock);
}

.page-faq .faq-contact-note a {
  color: var(--brick);
}

.page-faq .faq-contact-media {
  position: relative;
  aspect-ratio: 5 / 4;
  border: 0;
  border-radius: 0;
  background: var(--ink-2);
}

.page-faq .faq-contact-media .media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 16px 18px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: rgba(247, 250, 251, 0.86);
  background: linear-gradient(to top, rgba(11, 46, 36, 0.86), transparent);
}

.page-faq .faq-totop {
  margin: 26px 0 0;
  text-align: center;
}

.page-faq .faq-totop a {
  display: inline-block;
  padding: 10px 22px;
  border: 1px solid var(--faq-line-copper);
  border-radius: 999px;
  color: var(--copper);
  font-size: 0.88rem;
  text-decoration: none;
  transition: background 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .faq-totop a:hover,
.page-faq .faq-totop a:focus-visible {
  background: rgba(201, 133, 74, 0.16);
  color: var(--snow);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-contact-panel {
    padding: 32px 30px;
  }

  .page-faq .faq-contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 48px;
    padding: 52px 0 60px;
  }

  .page-faq .faq-hero-copy h1 {
    font-size: clamp(2.1rem, 3.4vw, 3rem);
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: stretch;
  }

  .page-faq .faq-contact-media {
    aspect-ratio: auto;
    height: 100%;
    min-height: 340px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body-grid {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-faq .faq-list {
    gap: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion summary::after,
  .page-faq .faq-index-list a,
  .page-faq .faq-totop a {
    transition: none;
  }
}
</main>