.page-faq {
  --faq-body-w: 640px;
  background: var(--ink);
  color: var(--paper);
}

/* ── 首屏 ── */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--bar-h) + 36px) 0 36px;
  background:
    radial-gradient(120% 120% at 8% 0%, rgba(22, 26, 56, .9), transparent 62%),
    var(--ink);
}

.page-faq .faq-hero__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  pointer-events: none;
}

.page-faq .faq-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 31, 26, .42) 0%, rgba(11, 31, 26, .9) 72%, var(--ink) 100%),
    repeating-linear-gradient(90deg, rgba(201, 209, 204, .05) 0 1px, transparent 1px 64px);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 18px;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  max-width: 15ch;
  color: var(--paper);
}

.page-faq .faq-hero .serif-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--silver);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-hero__facts li {
  flex: none;
  scroll-snap-align: start;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(18, 48, 40, .74);
  color: var(--silver);
  font-size: 13px;
  white-space: nowrap;
}

.page-faq .faq-hero__facts .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  color: var(--lime);
}

/* ── 主体分栏 ── */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  padding-top: 34px;
  padding-bottom: 64px;
}

/* ── 分类轨道 ── */
.page-faq .faq-cat {
  min-width: 0;
}

.page-faq .faq-cat__cap {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--olive);
}

.page-faq .faq-cat__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-cat__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(20, 17, 15, .55);
  color: var(--silver);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  scroll-snap-align: start;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease;
}

.page-faq .faq-cat__link .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--olive);
  transition: color .2s ease;
}

.page-faq .faq-cat__link:hover,
.page-faq .faq-cat__link:focus-visible {
  border-color: var(--lime);
  color: var(--paper);
}

.page-faq .faq-cat__link:hover .num,
.page-faq .faq-cat__link:focus-visible .num {
  color: var(--lime);
}

.page-faq .faq-cat__note {
  margin: 14px 0 0;
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--olive);
}

/* ── 分组 ── */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 40px;
}

.page-faq .faq-group:last-of-type {
  margin-bottom: 28px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--lime);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-group__line {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.page-faq .faq-group__lede {
  margin: 0 0 14px;
  max-width: var(--faq-body-w);
  font-size: 15px;
  line-height: 1.75;
  color: var(--olive);
}

/* ── 折叠条目 ── */
.page-faq .qa {
  border-top: 1px solid var(--line-soft);
  border-left: 3px solid transparent;
  padding-left: 14px;
  scroll-margin-top: calc(var(--bar-h) + 24px);
  transition: border-color .22s ease, background-color .22s ease;
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa[open] {
  border-left-color: var(--lime);
  background: linear-gradient(90deg, rgba(198, 255, 61, .07), transparent 68%);
}

.page-faq .qa__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 17px 6px 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--paper);
  transition: color .2s ease;
}

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

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

.page-faq .qa__head:hover {
  color: var(--lime);
}

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--olive);
  transition: color .2s ease;
}

.page-faq .qa[open] .qa__no,
.page-faq .qa__head:hover .qa__no {
  color: var(--lime);
}

.page-faq .qa__q {
  min-width: 0;
}

.page-faq .qa__sign {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: border-color .2s ease;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--silver);
  transform: translate(-50%, -50%);
  transition: opacity .2s ease, background-color .2s ease;
}

.page-faq .qa__sign::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .qa__sign::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .qa[open] .qa__sign {
  border-color: var(--lime);
}

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

.page-faq .qa[open] .qa__sign::after {
  opacity: 0;
}

.page-faq .qa__body {
  max-width: var(--faq-body-w);
  padding: 0 6px 22px 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}

.page-faq .qa__body p {
  margin: 0;
}

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

.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  color: var(--paper);
}

.page-faq .kw {
  display: inline-block;
  padding: 0 7px;
  border-radius: 4px;
  background: rgba(198, 255, 61, .16);
  color: var(--paper);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .94em;
}

/* ── 开奖小图 ── */
.page-faq .faq-figure {
  margin: 0 0 16px;
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--wine);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  opacity: .86;
}

.page-faq .faq-figure__cap {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
  border-top: 1px solid var(--line-soft);
}

/* ── 收尾入口 ── */
.page-faq .faq-cta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 22px;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background:
    linear-gradient(128deg, rgba(22, 26, 56, .92), rgba(11, 31, 26, .92) 58%),
    var(--teal);
}

.page-faq .faq-cta__t {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-cta__d {
  margin: 8px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

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

/* ── 平板 ── */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: calc(var(--bar-h) + 48px) 0 48px;
  }

  .page-faq .faq-hero h1 {
    max-width: 18ch;
  }

  .page-faq .faq-layout {
    padding-bottom: 80px;
  }

  .page-faq .faq-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 26px 28px;
  }

  .page-faq .faq-cta__acts {
    flex: none;
  }
}

/* ── 桌面：左轨道 + 右问答 ── */
@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 88px 0 60px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 52px;
    padding-top: 56px;
    padding-bottom: 104px;
  }

  .page-faq .faq-cat {
    position: sticky;
    top: 32px;
    align-self: start;
  }

  .page-faq .faq-cat__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-cat__link {
    width: 100%;
    justify-content: flex-start;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    padding: 11px 12px;
    white-space: normal;
    font-size: 14px;
  }

  .page-faq .faq-cat__link:hover,
  .page-faq .faq-cat__link:focus-visible {
    border-left-color: var(--lime);
    background: rgba(198, 255, 61, .06);
  }

  .page-faq .faq-group {
    margin-bottom: 52px;
  }

  .page-faq .qa__head {
    font-size: 19px;
    padding: 20px 8px 20px 0;
  }

  .page-faq .qa__body {
    padding: 0 8px 24px 0;
  }

  .page-faq .faq-figure {
    display: grid;
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    align-items: center;
    margin-bottom: 22px;
  }

  .page-faq .faq-figure img {
    aspect-ratio: 1 / 1;
    height: 100%;
  }

  .page-faq .faq-figure__cap {
    border-top: 0;
    border-left: 1px solid var(--line-soft);
    padding: 20px 22px;
    max-width: 46ch;
  }
}

/* ── 大屏 ── */
@media (min-width: 1280px) {
  .page-faq .faq-cta {
    padding: 32px 36px;
  }
}

/* ── 降低动效 ── */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__head,
  .page-faq .qa__no,
  .page-faq .qa__sign,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .faq-cat__link,
  .page-faq .faq-cat__link .num {
    transition: none;
  }
}