.page-faq {
  --faq-line: rgba(233, 180, 76, 0.22);
  padding-bottom: 72px;
  color: var(--cream);
}

.page-faq .breadcrumb {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 32px 0 52px;
  border-bottom: 1px solid var(--edge-soft);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -22%;
  width: 68%;
  height: 128%;
  background: linear-gradient(158deg, rgba(217, 71, 56, 0.36), rgba(217, 71, 56, 0) 62%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  bottom: -30%;
  width: 46%;
  height: 70%;
  background: radial-gradient(circle, rgba(47, 183, 168, 0.16), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__text,
.page-faq .faq-hero__panel {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 52px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .faq-hero__lead {
  max-width: 36em;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(247, 241, 227, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__panel {
  align-self: start;
  padding: 22px 22px 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(165deg, rgba(23, 58, 94, 0.78), rgba(11, 16, 38, 0.86));
  box-shadow: 0 18px 44px rgba(7, 9, 18, 0.42);
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-metrics {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-metrics__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(139, 134, 168, 0.32);
}

.page-faq .faq-metrics__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-metrics dt {
  font-size: 14px;
  color: rgba(247, 241, 227, 0.74);
}

.page-faq .faq-metrics dd {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--gold-light);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.62fr);
    gap: 48px;
    align-items: start;
    padding: 40px 0 72px;
  }
  .page-faq .faq-hero__panel {
    margin-top: 12px;
  }
}

/* ---------- 答疑主体 ---------- */
.page-faq .faq-shell {
  padding: 48px 0 8px;
}

.page-faq .faq-shell__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-shell__sub {
  max-width: 40em;
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 241, 227, 0.7);
}

.page-faq .faq-shell__grid {
  display: grid;
  gap: 26px;
}

/* 场景刻度索引 */
.page-faq .faq-rail {
  position: relative;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-faq .faq-rail__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-faq .faq-rail__item {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 16px;
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius-pill);
  background: rgba(23, 58, 94, 0.42);
  color: rgba(247, 241, 227, 0.86);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}

.page-faq .faq-rail__item:hover {
  border-color: var(--edge);
  color: var(--cream);
}

.page-faq .faq-rail__tick {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  transition: background-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}

.page-faq .faq-rail__index {
  font-size: 11px;
  color: var(--mauve);
}

.page-faq .faq-rail__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-rail__label {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
}

.page-faq .faq-rail__note {
  font-size: 11px;
  line-height: 1.3;
  color: var(--mauve);
  white-space: nowrap;
}

.page-faq .faq-rail__radio:checked + .faq-rail__item {
  border-color: var(--gold);
  background: linear-gradient(120deg, rgba(233, 180, 76, 0.22), rgba(233, 180, 76, 0.04));
  color: var(--gold-light);
}

.page-faq .faq-rail__radio:checked + .faq-rail__item .faq-rail__tick {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(233, 180, 76, 0.16);
}

.page-faq .faq-rail__radio:checked + .faq-rail__item .faq-rail__index {
  color: var(--gold);
}

.page-faq .faq-rail__radio:focus-visible + .faq-rail__item {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

@media (min-width: 960px) {
  .page-faq .faq-shell__grid {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    flex-direction: column;
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
    padding-left: 24px;
  }
  .page-faq .faq-rail::before {
    content: "";
    position: absolute;
    left: 9px;
    top: 18px;
    bottom: 18px;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--gold), rgba(233, 180, 76, 0.06));
    opacity: 0.55;
  }
  .page-faq .faq-rail__item {
    flex: 1 1 auto;
    border-radius: var(--radius-md);
    padding: 11px 14px;
  }
  .page-faq .faq-rail__tick {
    position: absolute;
    left: -18px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--ink);
  }
  .page-faq .faq-rail__radio:checked + .faq-rail__item .faq-rail__tick {
    background: var(--gold);
  }
}

/* 答案卡 */
.page-faq .faq-cards {
  display: grid;
  gap: 16px;
}

.page-faq .faq-card {
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(23, 58, 94, 0.5), rgba(11, 16, 38, 0.72));
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease),
              transform var(--dur) var(--ease);
}

.page-faq .faq-card:hover {
  border-color: var(--edge);
}

.page-faq .faq-card[open] {
  border-color: var(--faq-line);
}

.page-faq .faq-card__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 48px;
  padding: 16px 16px 15px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-card__head:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: -2px;
}

.page-faq .faq-card__no {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-card__q {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--cream);
}

.page-faq .faq-card__icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--edge);
  border-radius: 50%;
}

.page-faq .faq-card__icon::before,
.page-faq .faq-card__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
}

.page-faq .faq-card__icon::before {
  width: 8px;
  height: 1.5px;
}

.page-faq .faq-card__icon::after {
  width: 1.5px;
  height: 8px;
  transition: transform var(--dur-fast) var(--ease),
              opacity var(--dur-fast) var(--ease);
}

.page-faq .faq-card[open] .faq-card__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-card__body {
  padding: 0 16px 20px 44px;
}

.page-faq .faq-card__verdict {
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 2px solid var(--red);
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(247, 241, 227, 0.92);
}

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

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-steps__num {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--gold);
}

.page-faq .faq-steps__text {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 241, 227, 0.76);
}

@media (min-width: 720px) {
  .page-faq .faq-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }
  .page-faq .faq-card:nth-child(3n + 2) {
    margin-top: 26px;
  }
  .page-faq .faq-card:nth-child(3n) {
    margin-top: 12px;
  }
}

/* 筛选：仅在支持 :has 时生效，其余情况保留全部卡片 */
@supports selector(:has(*)) {
  .page-faq .faq-shell:has(#faq-scene-first:checked) .faq-card:not([data-scene="first"]),
  .page-faq .faq-shell:has(#faq-scene-account:checked) .faq-card:not([data-scene="account"]),
  .page-faq .faq-shell:has(#faq-scene-android:checked) .faq-card:not([data-scene="android"]),
  .page-faq .faq-shell:has(#faq-scene-version:checked) .faq-card:not([data-scene="version"]),
  .page-faq .faq-shell:has(#faq-scene-category:checked) .faq-card:not([data-scene="category"]),
  .page-faq .faq-shell:has(#faq-scene-event:checked) .faq-card:not([data-scene="event"]),
  .page-faq .faq-shell:has(#faq-scene-trouble:checked) .faq-card:not([data-scene="trouble"]) {
    display: none;
  }
}

/* ---------- 图 ---------- */
.page-faq .faq-visual {
  margin: 32px 0 0;
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--rise);
}

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

.page-faq .faq-visual__cap {
  padding: 12px 18px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mauve);
}

/* ---------- 读法 ---------- */
.page-faq .faq-read {
  padding: 56px 0 8px;
}

.page-faq .faq-read__title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-read__grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-read__item {
  padding: 20px 20px 22px;
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius-md);
  background:
    linear-gradient(150deg, rgba(23, 58, 94, 0.56), rgba(11, 16, 38, 0.72));
}

.page-faq .faq-read__num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-read__head {
  margin: 8px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .faq-read__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 241, 227, 0.74);
}

@media (min-width: 760px) {
  .page-faq .faq-read__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-faq .faq-read__item:nth-child(2) {
    margin-top: 22px;
  }
  .page-faq .faq-read__item:nth-child(3) {
    margin-top: 44px;
  }
}

/* ---------- 通用块 ---------- */
.page-faq .faq-block {
  padding: 56px 0 8px;
}

.page-faq .faq-block__title {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.2vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-block__lead {
  max-width: 40em;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 241, 227, 0.76);
}

.page-faq .faq-block--split {
  display: grid;
  gap: 26px;
}

.page-faq .faq-block--split .faq-visual {
  margin: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-block--split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: start;
  }
  .page-faq .faq-visual--tall {
    margin-top: 8px;
  }
}

.page-faq .faq-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-list__item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-left: 2px solid var(--faq-line);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(23, 58, 94, 0.34);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 241, 227, 0.8);
}

.page-faq .faq-list__mark {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--gold);
}

/* ---------- 分类导航主题带 ---------- */
.page-faq .faq-band {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .faq-band__cell {
  padding: 18px 18px 20px;
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius-md);
  background: rgba(23, 58, 94, 0.42);
}

.page-faq .faq-band__cell--red {
  background: linear-gradient(155deg, rgba(217, 71, 56, 0.42), rgba(11, 16, 38, 0.72));
  border-color: rgba(217, 71, 56, 0.5);
}

.page-faq .faq-band__cell--gold {
  background: linear-gradient(155deg, rgba(233, 180, 76, 0.2), rgba(11, 16, 38, 0.72));
  border-color: rgba(233, 180, 76, 0.4);
}

.page-faq .faq-band__num {
  display: block;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold-light);
}

.page-faq .faq-band__label {
  margin: 6px 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .faq-band__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(247, 241, 227, 0.72);
}

@media (min-width: 760px) {
  .page-faq .faq-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-faq .faq-band__cell:nth-child(2) {
    margin-top: 20px;
  }
}

/* ---------- 活动时段 ---------- */
.page-faq .faq-block--event {
  border-top: 1px solid var(--edge-soft);
  margin-top: 56px;
  padding-top: 40px;
}

.page-faq .faq-event__cols {
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
}

.page-faq .faq-event__col {
  padding: 18px 18px 20px;
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius-md);
  background: rgba(11, 16, 38, 0.6);
}

.page-faq .faq-event__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

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

.page-faq .faq-event__list li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 241, 227, 0.78);
}

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

.page-faq .faq-event__dot {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--mauve);
}

.page-faq .faq-event__dot--day {
  background: var(--gold);
}

.page-faq .faq-event__dot--week {
  background: var(--red-bright);
}

.page-faq .faq-event__dot--topic {
  background: var(--gold-light);
}

.page-faq .faq-event__dot--soon {
  background: transparent;
  border: 1.5px solid var(--gold);
}

.page-faq .faq-event__dot--live {
  background: var(--turquoise);
  box-shadow: 0 0 0 4px rgba(47, 183, 168, 0.16);
}

.page-faq .faq-event__dot--done {
  background: var(--mauve);
  opacity: 0.7;
}

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

/* ---------- 收尾 ---------- */
.page-faq .faq-block--last {
  padding-bottom: 16px;
}

.page-faq .faq-help {
  padding: 26px 20px 28px;
  border: 1px solid var(--edge);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 8%, rgba(233, 180, 76, 0.18), transparent 58%),
    linear-gradient(160deg, rgba(23, 58, 94, 0.7), rgba(11, 16, 38, 0.86));
}

.page-faq .faq-help__main .faq-block__title {
  margin-top: 0;
}

.page-faq .faq-steps--wide {
  max-width: 34em;
  margin-bottom: 22px;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 900px) {
  .page-faq .faq-help {
    padding: 36px 40px 40px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__item,
  .page-faq .faq-card,
  .page-faq .faq-card__icon::after {
    transition: none;
  }
}
</main>