.page-faq {
  --faq-hair: rgba(138, 151, 163, .35);
  --faq-panel: rgba(11, 42, 74, .045);
  display: block;
  background: var(--bone);
  overflow-x: hidden;
}

/* ── 面包屑 ── */
.page-faq .ly-crumbs {
  padding-top: 18px;
}
.page-faq .ly-crumbs li,
.page-faq .ly-crumbs span {
  font-size: 13px;
}
.page-faq .ly-crumbs [aria-current="page"] {
  color: var(--graphite);
}

/* ── 首屏 ── */
.page-faq .faq-hero {
  position: relative;
  margin-top: 16px;
  padding: 40px 0 48px;
  background: linear-gradient(126deg, var(--ink) 0%, var(--ink-dark) 66%, #071c2f 100%);
  color: var(--bone);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 62%;
  height: 100%;
  background: linear-gradient(150deg, rgba(22, 217, 192, .16), rgba(22, 217, 192, 0) 72%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero .ly-eyebrow {
  color: var(--cyan);
}
.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--bone);
  max-width: 15em;
}
.page-faq .faq-hero__lead {
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--on-ink);
}
.page-faq .faq-hero__lead a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}
.page-faq .faq-hero__lead a:hover,
.page-faq .faq-hero__lead a:focus-visible {
  color: var(--bone);
  border-bottom-color: var(--cyan);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-faq .faq-hero__figure {
  margin: 32px 0 0;
  padding: 10px;
  border: 1px solid var(--line-cyan);
  background: rgba(6, 27, 48, .55);
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}
.page-faq .faq-hero__figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--stone);
}

/* ── 主题跳转 ── */
.page-faq .faq-jump {
  background: var(--bone);
  border-bottom: 1px solid var(--faq-hair);
}
.page-faq .faq-jump__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 0;
}
.page-faq .faq-jump__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-faq .faq-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-jump__list .ly-chip {
  font-size: 14px;
}
.page-faq .faq-jump__list .ly-chip:hover,
.page-faq .faq-jump__list .ly-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--ink);
}

/* ── 主体布局 ── */
.page-faq .faq-body {
  padding-top: 44px;
  padding-bottom: 56px;
}
.page-faq .faq-body__aside {
  display: none;
}

/* ── 章节 ── */
.page-faq .faq-sec {
  scroll-margin-top: calc(var(--head-h) + 20px);
  margin-bottom: 54px;
}
.page-faq .faq-sec:last-of-type {
  margin-bottom: 0;
}
.page-faq .faq-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 6px;
}
.page-faq .faq-sec__headtext {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-faq .faq-sec__intro {
  max-width: 42em;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ── 问答条目 ── */
.page-faq .faq-list {
  margin-top: 20px;
  border-top: 1px solid var(--faq-hair);
}
.page-faq .faq-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--faq-hair);
}
.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
}
.page-faq .faq-item__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--orange);
}
.page-faq .faq-item__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-faq .faq-item__a p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-faq .faq-item__a a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}
.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.page-faq .faq-num {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
}

/* ── 内嵌图块 ── */
.page-faq .faq-figure {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin: 26px 0 0;
  padding: 16px;
  border: 1px solid var(--faq-hair);
  border-left: 2px solid var(--cyan);
  background: var(--faq-panel);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .faq-figure figcaption strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
}

/* ── 目录 ── */
.page-faq .faq-outline {
  position: sticky;
  top: calc(var(--head-h) + 28px);
  padding-top: 14px;
  border-top: 1px solid var(--line-cyan);
}
.page-faq .faq-outline .ly-outline__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-faq .faq-outline .ly-outline__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-outline .ly-outline__link {
  display: block;
  padding: 2px 0 2px 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-left: 1px solid var(--faq-hair);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .faq-outline .ly-outline__link:hover,
.page-faq .faq-outline .ly-outline__link:focus-visible,
.page-faq .faq-outline .ly-outline__link.is-active {
  color: var(--ink);
  border-left-color: var(--cyan);
}

/* ── 收尾刻度带 ── */
.page-faq .faq-ticks {
  height: 10px;
  margin-top: 46px;
  border-bottom: 1px solid var(--faq-hair);
  background-image: repeating-linear-gradient(90deg, var(--faq-hair) 0 1px, transparent 1px 18px);
  background-size: 18px 6px;
  background-repeat: repeat-x;
  background-position: left bottom;
}

/* ── 焦点态 ── */
.page-faq a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ── 平板及以上 ── */
@media (min-width: 720px) {
  .page-faq .faq-item {
    grid-template-columns: minmax(0, 42%) minmax(0, 1fr);
    gap: 0;
    padding: 22px 0;
  }
  .page-faq .faq-item__q {
    padding-right: 24px;
    border-right: 1px solid var(--faq-hair);
  }
  .page-faq .faq-item__a {
    padding-left: 24px;
  }
  .page-faq .faq-figure {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 24px;
  }
}

/* ── 桌面 ── */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 56px 0 64px;
  }
  .page-faq .faq-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .78fr);
    gap: 52px;
    align-items: center;
  }
  .page-faq .faq-hero__figure {
    margin-top: 0;
  }
  .page-faq .faq-body {
    padding-top: 56px;
    padding-bottom: 72px;
  }
  .page-faq .faq-item__q {
    padding-right: 30px;
  }
  .page-faq .faq-item__a {
    padding-left: 30px;
  }
  .page-faq .faq-item__title {
    font-size: 18px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-body__aside {
    display: block;
  }
  .page-faq .faq-body__main {
    padding-right: 40px;
  }
}