.page-faq {
  --faq-cut: 14px;
  --faq-card-bg: var(--ink-800);
  display: block;
  padding-bottom: 72px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  margin: 20px 0 2px;
  font-size: 12.5px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 32px 0 48px;
  background: linear-gradient(135deg, var(--ink-900) 0%, var(--ink-700) 46%, rgba(212, 160, 23, 0.16) 100%);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(212, 160, 23, 0.07) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -4%;
  right: -4%;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 22%, var(--gold-hi) 50%, var(--gold) 78%, transparent 100%);
  transform: rotate(-1.2deg);
  transform-origin: left center;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

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

.page-faq .faq-hero__body .h-xl {
  margin: 14px 0 16px;
  overflow-wrap: break-word;
}

.page-faq .faq-hero__body .lede {
  max-width: 42ch;
  color: var(--mist);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-jump {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--white);
  text-decoration: none;
  background: rgba(16, 31, 51, 0.72);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-jump:hover {
  color: var(--gold-hi);
  border-color: rgba(212, 160, 23, 0.6);
  border-left-color: var(--gold-hi);
  transform: translateY(-2px);
}

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

.page-faq .faq-hero__visual {
  position: relative;
  border: 1px solid var(--line-soft);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
  overflow: hidden;
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__badge {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 9px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-900);
  background: linear-gradient(120deg, var(--gold-hi), var(--gold));
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: 40px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

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

.page-faq .faq-index {
  display: none;
}

/* ---------- 索引栏 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-index__group {
  margin-bottom: 20px;
}

.page-faq .faq-index__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: flex;
  gap: 10px;
  padding: 7px 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-index__link:hover {
  color: var(--gold-hi);
}

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

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-dim);
}

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

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .faq-sec + .faq-sec {
  margin-top: 64px;
}

.page-faq .faq-sec__head {
  margin-bottom: 24px;
}

.page-faq .faq-sec__head .h-md {
  margin: 12px 0 10px;
}

.page-faq .faq-sec__note {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-sec__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .q-card {
  scroll-margin-top: calc(var(--topbar-h) + 28px);
}

/* ---------- 问答卡片 ---------- */
.page-faq .q-card {
  position: relative;
  padding: 22px 22px 20px 26px;
  background: var(--faq-card-bg);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold-dim);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .q-card:hover {
  border-color: rgba(212, 160, 23, 0.45);
  border-left-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .q-card__head {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 12px;
}

.page-faq .q-card__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .q-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: break-word;
}

.page-faq .q-card__lede {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.85;
  color: var(--gold-hi);
}

.page-faq .q-card__body {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.95;
  color: var(--mist);
}

/* ---------- 排查轨迹 ---------- */
.page-faq .faq-flow {
  margin: 0 0 26px;
  border: 1px solid var(--line-soft);
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  overflow: hidden;
}

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

.page-faq .faq-flow__cap {
  padding: 12px 18px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
  background: rgba(16, 31, 51, 0.86);
  border-top: 1px solid var(--line-soft);
}

.page-faq .triage {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .triage__step {
  position: relative;
  padding: 20px 18px 18px;
  background: linear-gradient(160deg, rgba(22, 40, 63, 0.9), rgba(11, 26, 42, 0.9));
  border: 1px solid var(--line-soft);
}

.page-faq .triage__step::after {
  content: "";
  position: absolute;
  left: 0;
  right: 32%;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-faq .triage__idx {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-900);
  background: linear-gradient(140deg, var(--gold-hi), var(--gold));
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.page-faq .triage__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 反馈清单 ---------- */
.page-faq .faq-ask {
  padding: 8px 22px;
}

.page-faq .faq-ask__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-ask__item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .faq-ask__key {
  flex: none;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .faq-ask__val {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-next {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-next a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 160, 23, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-next a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-ask__key {
    width: 210px;
  }
}

@media (min-width: 760px) {
  .page-faq .triage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 44px 0 60px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 43fr 57fr;
    gap: 44px;
  }

  .page-faq .faq-sec__list {
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
    padding-right: 18px;
    border-right: 1px solid var(--line-soft);
  }

  .page-faq .faq-sec--narrow .faq-sec__head,
  .page-faq .faq-sec--narrow .faq-sec__list,
  .page-faq .faq-sec--narrow .faq-ask,
  .page-faq .faq-sec--narrow .faq-next {
    max-width: 720px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump,
  .page-faq .q-card,
  .page-faq .faq-index__link,
  .page-faq .faq-next a {
    transition: none;
  }

  .page-faq .faq-jump:hover,
  .page-faq .q-card:hover {
    transform: none;
  }
}