/* ===== 疑问解答 /faq/ ===== */
.page-faq {
  --faq-rail: 232px;
  --faq-pad: 20px;
  display: block;
}

.page-faq .breadcrumb {
  padding: 26px 0 0;
}

/* ---- 首屏 ---- */
.page-faq .faq-hero {
  padding-top: 30px;
}

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

.page-faq .faq-hero__lead .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero__lead .lede {
  margin: 18px 0 0;
  max-width: 44ch;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__figure .figure__media {
  border: 1px solid var(--line-soft);
  background: linear-gradient(158deg, var(--panel-800), var(--ink-900) 82%);
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: start;
  }
  .page-faq .faq-hero__figure {
    margin-top: 6px;
  }
}

/* ---- 最常问那条，直接展开 ---- */
.page-faq .faq-spot {
  margin-top: 46px;
  padding: 26px var(--faq-pad) 24px;
  border: 1px solid var(--line-amber);
  border-left-width: 3px;
  background:
    linear-gradient(180deg, rgba(255, 162, 58, 0.12), rgba(8, 19, 31, 0) 66%),
    var(--panel-800);
}

.page-faq .faq-spot__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 23px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-spot__intro {
  margin: 14px 0 18px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-text);
}

.page-faq .faq-steps {
  counter-reset: step;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px 14px;
  border-left: 1px solid var(--line-amber);
  background: rgba(255, 255, 255, 0.04);
  font-size: 15px;
  line-height: 1.72;
  color: var(--body-text);
}

.page-faq .faq-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent-amber);
  padding-top: 3px;
}

.page-faq .faq-spot__note {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-faq .faq-spot {
    padding: 32px 32px 28px;
  }
  .page-faq .faq-spot__title {
    font-size: 32px;
  }
}

/* ---- 主体两栏 ---- */
.page-faq .faq-body {
  margin-top: 54px;
  display: grid;
  gap: 26px;
}

.page-faq .faq-toc {
  border: 1px solid var(--line-soft);
  background: var(--panel-800);
  padding: 18px 16px 16px;
}

.page-faq .faq-toc .eyebrow {
  margin: 0;
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__list a {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 9px 8px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-toc__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a[data-current="true"] {
  color: var(--white);
  border-left-color: var(--accent-cyan);
  background: rgba(47, 224, 200, 0.08);
}

.page-faq .faq-toc__list a:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: 124px;
  }
}

/* ---- 问答分组 ---- */
.page-faq .faq-group {
  padding-top: 44px;
  scroll-margin-top: 130px;
}

.page-faq .faq-group:first-child {
  padding-top: 0;
}

.page-faq .faq-group--search {
  --group-accent: var(--accent-cyan);
}

.page-faq .faq-group--bulletin {
  --group-accent: var(--accent-amber);
}

.page-faq .faq-group--lists {
  --group-accent: var(--paper-dim);
}

.page-faq .faq-group--access {
  --group-accent: var(--muted);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-print);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--group-accent, var(--accent-cyan));
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-group__hint {
  flex-basis: 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-faq .faq-group__title {
    font-size: 28px;
  }
}

/* ---- 单条问答 ---- */
.page-faq .qa-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa-item__q {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 16px;
  gap: 8px 12px;
  align-items: start;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  color: var(--white);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa-item__q:hover {
  color: var(--group-accent, var(--accent-cyan));
}

.page-faq .qa-item__q:focus-visible {
  outline: 2px solid var(--group-accent, var(--accent-cyan));
  outline-offset: 2px;
}

.page-faq .qa-item__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--group-accent, var(--accent-cyan));
  padding-top: 5px;
}

.page-faq .qa-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  justify-self: end;
}

.page-faq .qa-item__mark::before,
.page-faq .qa-item__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--group-accent, var(--accent-cyan));
}

.page-faq .qa-item__mark::before {
  width: 14px;
  height: 1.5px;
}

.page-faq .qa-item__mark::after {
  width: 1.5px;
  height: 14px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

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

.page-faq .qa-item__a {
  padding: 0 2px 20px;
  max-width: 64ch;
  color: var(--body-text);
  font-size: 15px;
  line-height: 1.78;
  animation: faq-panel-in 180ms var(--ease) both;
}

.page-faq .qa-item__a p {
  margin: 0;
}

.page-faq .qa-item__a a {
  color: var(--accent-amber);
  text-decoration: none;
  border-bottom: 1px solid var(--line-amber);
}

.page-faq .qa-item__a a:hover {
  color: var(--accent-amber-soft);
}

@media (min-width: 640px) {
  .page-faq .qa-item__a {
    padding-left: 46px;
  }
}

@keyframes faq-panel-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-item__a {
    animation: none;
  }
  .page-faq .qa-item__mark::after {
    transition: none;
  }
}

/* ---- 组内配图 ---- */
.page-faq .faq-figure {
  margin: 28px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--panel-750);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---- 还没解决 ---- */
.page-faq .faq-fallback {
  margin-top: 64px;
  padding: 28px var(--faq-pad) 30px;
  border: 1px solid var(--line-print);
  background: linear-gradient(152deg, var(--panel-800), var(--ink-900) 80%);
  scroll-margin-top: 130px;
}

.page-faq .faq-fallback .eyebrow {
  margin: 0;
}

.page-faq .faq-fallback .display {
  margin: 14px 0 0;
}

.page-faq .faq-fallback__intro {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-text);
}

.page-faq .faq-fallback__grid {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

.page-faq .faq-fallback__item {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-fallback__key {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--accent-cyan);
}

.page-faq .faq-fallback__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--body-text);
  word-break: break-word;
}

.page-faq .faq-fallback__val a {
  color: var(--accent-amber);
  text-decoration: none;
  border-bottom: 1px solid var(--line-amber);
}

.page-faq .faq-fallback__val a:hover {
  color: var(--accent-amber-soft);
}

@media (min-width: 720px) {
  .page-faq .faq-fallback {
    padding: 34px 38px 36px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-fallback__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 36px;
  }
}
</main>