.page-faq {
  --faq-index-w: 216px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 26px;
  padding-bottom: 6px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 18px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(29px, 7vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 10px 0 0;
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 46px;
  }
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 44px;
  padding-bottom: 76px;
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding-top: 56px;
  }
}

/* ---------- 主题索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  padding: 16px 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  border-radius: 2px;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  background: var(--glass-strong);
}

.page-faq .faq-index__link.is-active {
  color: var(--paper);
  border-left-color: var(--kiwi);
  background: var(--glass);
}

@media (min-width: 1024px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--strip-h) + 28px);
  }
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.page-faq .faq-group {
  --faq-hue: var(--kiwi);
  border-top: 2px solid var(--faq-hue);
  padding-top: 20px;
  scroll-margin-top: calc(var(--strip-h) + 26px);
}

.page-faq #faq-subscribe { --faq-hue: var(--kiwi); }
.page-faq #faq-scope { --faq-hue: var(--indigo); }
.page-faq #faq-records { --faq-hue: var(--berry); }
.page-faq #faq-rankings { --faq-hue: var(--citrus); }
.page-faq #faq-mobile { --faq-hue: var(--sand); }
.page-faq #faq-partner { --faq-hue: var(--flesh); }

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 4px 12px;
  margin-bottom: 6px;
}

.page-faq .faq-group__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--faq-hue);
  padding-top: 0.28em;
}

.page-faq .faq-group__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(21px, 4.2vw, 29px);
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-group__note {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line);
}

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

.page-faq .qa__q {
  position: relative;
  display: block;
  list-style: none;
  padding: 15px 46px 15px 0;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--flesh);
}

.page-faq .qa__no {
  display: inline-block;
  min-width: 2.1em;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--faq-hue);
}

.page-faq .qa__q::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 14px;
  height: 1.5px;
  background: var(--faq-hue);
  transform: translateY(-50%);
  transition: transform 0.22s var(--ease);
}

.page-faq .qa__q::before {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 1.5px;
  height: 14px;
  background: var(--faq-hue);
  transform: translateY(-50%);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-faq .qa[open] .qa__q::before {
  opacity: 0;
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .qa__a {
  padding: 0 22px 22px 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 38em;
}

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

@media (min-width: 768px) {
  .page-faq .qa__a {
    padding-right: 46px;
  }
}

/* ---------- 字段卡 ---------- */
.page-faq .field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(152px, 1fr));
  gap: 8px;
  margin: 14px 0 4px;
}

.page-faq .field-card {
  position: relative;
  border: 1px solid var(--line);
  border-left: 2px solid var(--faq-hue);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 10px 12px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .field-card:hover {
  border-color: var(--line-strong);
  background: var(--glass);
}

.page-faq .field-card__name {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--flesh);
  margin-bottom: 4px;
}

.page-faq .field-card__desc {
  display: block;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .field-card::after {
  content: attr(data-note);
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 4;
  max-width: 240px;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  line-height: 1.55;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease),
    visibility 0.18s var(--ease);
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .page-faq .field-card:hover::after,
  .page-faq .field-card:focus-within::after {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* ---------- 插图 ---------- */
.page-faq .faq-fig {
  margin: 18px 0 2px;
}

.page-faq .faq-fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-faq .faq-fig figcaption {
  margin-top: 9px;
  max-width: 40em;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 末尾行动区 ---------- */
.page-faq .faq-cta {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  background: linear-gradient(
    150deg,
    rgba(47, 191, 113, 0.16) 0%,
    rgba(243, 247, 244, 0.05) 58%,
    rgba(12, 16, 14, 0) 100%
  );
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(20px, 3.6vw, 26px);
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 10px 0 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

@media (min-width: 768px) {
  .page-faq .faq-cta {
    padding: 32px 30px;
  }
}

/* ---------- 减动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__q,
  .page-faq .qa__q::before,
  .page-faq .qa__q::after,
  .page-faq .field-card,
  .page-faq .field-card::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}