.page-faq {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(40px, 6vw, 84px) 0 clamp(24px, 3.6vw, 44px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero .h1 {
  max-width: 20ch;
}

.page-faq .faq-hero .lede {
  margin-top: 18px;
  max-width: 56ch;
}

.page-faq .statcard {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px;
  background: var(--ink-2);
  border: var(--hair);
  border-left: 4px solid var(--lamp);
  box-shadow: var(--shadow);
}

.page-faq .statcard__num {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(36px, 5vw, 48px);
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-faq .statcard__label {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .statcard__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14px;
  color: var(--muted);
}

.page-faq .statcard__list li {
  display: flex;
  align-items: center;
  gap: 9px;
}

/* ---------- 小色点 ---------- */
.page-faq .dot {
  width: 9px;
  height: 9px;
  flex: none;
  display: inline-block;
}

.page-faq .dot--screen {
  background: var(--screen);
}

.page-faq .dot--amber {
  background: var(--amber);
}

.page-faq .dot--lamp {
  background: var(--lamp);
}

.page-faq .dot--turf {
  background: var(--turf);
}

/* ---------- 横幅图 ---------- */
.page-faq .faq-banner {
  margin: 0 auto;
}

.page-faq .faq-banner .frame {
  box-shadow: var(--shadow);
}

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

/* ---------- 分类索引带 ---------- */
.page-faq .idxband {
  margin-top: clamp(28px, 4vw, 56px);
  border-top: var(--hair);
  border-bottom: var(--hair);
  background: linear-gradient(90deg, rgba(53, 214, 196, .07), rgba(7, 11, 20, 0) 62%);
}

.page-faq .idxband__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.page-faq .idxband__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

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

.page-faq .idx__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  color: var(--text);
  font-family: var(--font-data);
  font-size: 13px;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .idx__link:hover,
.page-faq .idx__link:focus-visible {
  border-color: var(--lamp);
  color: var(--lamp);
}

/* ---------- 区块标题 ---------- */
.page-faq .sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

/* ---------- 最先被问到的三条 ---------- */
.page-faq .top3 {
  display: grid;
  gap: 2px;
  background: var(--line);
  border: var(--hair);
  box-shadow: var(--shadow);
}

.page-faq .top3__item {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-2);
}

.page-faq .top3__item .tag {
  justify-self: start;
}

.page-faq .top3__q {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--text);
}

.page-faq .top3__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-cat {
  scroll-margin-top: 96px;
}

.page-faq .cat-head {
  display: grid;
  gap: 10px;
  padding-top: 20px;
  border-top: 4px solid var(--line);
}

.page-faq .faq-cat[data-cat="updates"] .cat-head {
  border-top-color: var(--screen);
}

.page-faq .faq-cat[data-cat="data-fix"] .cat-head {
  border-top-color: var(--amber);
}

.page-faq .faq-cat[data-cat="desktop"] .cat-head {
  border-top-color: var(--lamp);
}

.page-faq .faq-cat[data-cat="timing"] .cat-head {
  border-top-color: var(--turf);
}

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

.page-faq .cat-head__row .h2 {
  margin: 0;
}

.page-faq .cat-head__count {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .cat-head__note {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 15px;
}

.page-faq .faq-cat:target .cat-head {
  background: linear-gradient(90deg, rgba(242, 183, 92, .1), rgba(7, 11, 20, 0) 55%);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: var(--hair);
}

.page-faq .qa {
  border-bottom: var(--hair);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 18px;
  gap: 10px 14px;
  align-items: baseline;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__idx {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .qa__q {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  transition: color .18s var(--ease);
}

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

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

.page-faq .qa__mark {
  position: relative;
  width: 14px;
  height: 14px;
  align-self: center;
  justify-self: end;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--muted);
}

.page-faq .qa__mark::before {
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  width: 2px;
  height: 14px;
  transition: transform .2s var(--ease);
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--lamp);
}

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

.page-faq .qa__a {
  padding: 0 4px 22px 58px;
  color: var(--muted);
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .qa[open] .qa__a {
  animation: faq-drop .22s var(--ease) both;
}

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

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

@keyframes faq-drop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .totop {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .totop:hover {
  color: var(--lamp);
  border-bottom-color: var(--lamp);
}

/* ---------- 资料与纠错：问答 + 方形图 ---------- */
.page-faq .fix-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .fix-grid .qa-list {
  margin-top: 0;
}

.page-faq .fix-grid__fig {
  margin: 0;
}

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

/* ---------- 收尾 ---------- */
.page-faq .ask {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
  padding: clamp(24px, 3.4vw, 44px);
  background: var(--ink-2);
  border: var(--hair);
  border-top: 4px solid var(--screen);
  box-shadow: var(--shadow);
}

.page-faq .ask__lead {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .ask__lead .h2 {
  margin: 0;
}

.page-faq .ask__text {
  margin: 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .ask__lead .btn {
  justify-self: start;
}

.page-faq .ask__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .ask__list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.page-faq .ask__list .dot {
  margin-top: 8px;
}

.page-faq .ask__list strong {
  color: var(--text);
  font-weight: 600;
}

.page-faq .ask__more {
  margin-top: 20px;
  font-size: 14px;
  color: var(--muted);
}

.page-faq .ask__more a {
  color: var(--screen);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .ask__more a:hover {
  color: var(--lamp);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .top3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .fix-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .55fr);
    align-items: end;
  }

  .page-faq .ask {
    grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
    align-items: center;
  }
}

@media (max-width: 719px) {
  .page-faq .qa summary {
    grid-template-columns: 30px minmax(0, 1fr) 16px;
    gap: 8px 12px;
  }

  .page-faq .qa__a {
    padding-left: 42px;
    padding-right: 2px;
  }

  .page-faq .faq-hero .h1 {
    max-width: none;
  }
}

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

  .page-faq .qa__mark::after,
  .page-faq .qa__q,
  .page-faq .idx__link,
  .page-faq .totop {
    transition-duration: .01ms;
  }
}