.page-faq {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .breadcrumbs {
  margin-bottom: 20px;
}

.page-faq .faq-hero {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 32px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--cyan-500);
  letter-spacing: 0.14em;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text-strong);
  max-width: 24ch;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 64ch;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .faq-anchors {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-anchors::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-anchors::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}

.page-faq .anchor-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 9px 18px 9px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
  color: var(--text);
  font-size: 0.875rem;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--ease), color var(--ease), background var(--ease), transform var(--ease);
}

.page-faq .anchor-pill:hover,
.page-faq .anchor-pill:focus-visible {
  border-color: var(--cyan-500);
  color: var(--cyan-300);
  background: var(--panel-600);
  transform: translateY(-1px);
}

.page-faq .anchor-pill:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 2px;
}

.page-faq .anchor-pill__idx {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--amber-500);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0;
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(32px, 5vw, 46px);
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 92px;
}

.page-faq .faq-section__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  color: var(--mist-400);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
}

.page-faq .faq-section__kicker .num {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--amber-500), var(--amber-200));
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: 0 4px 12px -6px rgba(242, 166, 59, 0.7);
}

.page-faq .faq-section .section-title {
  margin: 0 0 20px;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-strong);
  max-width: 38ch;
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .qa-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background: var(--ink-700);
  overflow: hidden;
  transition: border-color var(--ease), background var(--ease), box-shadow var(--ease), transform var(--ease);
}

.page-faq .qa-card:hover {
  border-color: var(--line);
  transform: translateY(-1px);
}

.page-faq .qa-card[open] {
  border-color: var(--cyan-500);
  background: var(--panel-600);
  box-shadow: var(--shadow-panel);
}

.page-faq .qa-card summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--text-strong);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  user-select: none;
}

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

.page-faq .qa-card summary::marker {
  content: "";
}

.page-faq .qa-card summary:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: -3px;
}

.page-faq .qa-card__mark {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin-top: 1px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--cyan-500);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 24px;
  text-align: center;
}

.page-faq .qa-card[open] .qa-card__mark {
  border-color: var(--cyan-500);
  background: rgba(53, 242, 208, 0.12);
  color: var(--cyan-300);
}

.page-faq .qa-card__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-card__icon {
  flex: 0 0 auto;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .qa-card__icon::before,
.page-faq .qa-card__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan-500);
  border-radius: 2px;
  transition: transform var(--ease), background var(--ease);
}

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

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

.page-faq .qa-card[open] .qa-card__icon::after {
  transform: scaleY(0);
}

.page-faq .qa-card__body {
  display: grid;
  gap: 12px;
  padding: 0 18px 20px 18px;
}

.page-faq .qa-card__short {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan-500);
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-faq .qa-card__tip {
  margin: 0;
  color: var(--mist-400);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-faq .qa-card__tip::before {
  content: "提示 · ";
  color: var(--amber-500);
  font-weight: 600;
}

.page-faq .qa-card a {
  color: var(--cyan-300);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa-card a:hover,
.page-faq .qa-card a:focus-visible {
  color: var(--cyan-500);
}

.page-faq .faq-body .media-frame {
  margin: 6px 0 4px;
}

.page-faq .faq-body .media-frame__cap {
  color: var(--mist-400);
}

.page-faq .faq-end {
  margin-top: 6px;
  padding: 26px 22px;
  border-radius: var(--radius-panel-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(53, 242, 208, 0.14), transparent 55%),
    linear-gradient(160deg, var(--ink-700), var(--ink-900));
}

.page-faq .faq-end h2 {
  margin: 0 0 10px;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-faq .faq-end p {
  margin: 0 0 18px;
  max-width: 62ch;
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-end .btn--ghost:hover,
.page-faq .faq-end .btn--ghost:focus-visible {
  border-color: var(--cyan-500);
  color: var(--cyan-300);
}

@media (min-width: 640px) {
  .page-faq .qa-card summary {
    padding: 20px 22px;
    font-size: 1rem;
  }

  .page-faq .qa-card__body {
    padding: 0 22px 22px 62px;
  }

  .page-faq .faq-hero h1 {
    max-width: 26ch;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 52px);
    align-items: start;
  }

  .page-faq .faq-anchors {
    flex-direction: column;
    gap: 8px;
    overflow: visible;
    padding: 0;
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-anchors::before {
    content: "问题分类";
    display: block;
    margin: 0 0 10px;
    padding-left: 18px;
    color: var(--mist-400);
    font-size: 0.6875rem;
    letter-spacing: 0.18em;
  }

  .page-faq .anchor-pill {
    width: 100%;
    justify-content: flex-start;
    padding: 11px 16px;
  }

  .page-faq .faq-body .media-frame {
    margin: 10px 0 8px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
  }
}