.page-faq {
  --faq-rail-w: 15rem;
  --faq-cat-config: var(--c-cyan);
  --faq-cat-refresh: var(--c-ember);
  --faq-cat-entry: var(--c-gold);
  --faq-cat-media: var(--c-silver);
  --cat-color: var(--c-cyan);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-faq .breadcrumb {
  padding-top: calc(var(--header-h) + 1.25rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: clamp(2rem, 5vw, 3.25rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero-copy h1 {
  margin: .6rem 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--c-bright);
}

.page-faq .faq-hero-copy .lede {
  margin: 1.1rem 0 0;
  max-width: 42rem;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.8;
  color: var(--c-silver);
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.75rem;
  margin: 1.6rem 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  font-size: .875rem;
  color: var(--c-mist);
}

.page-faq .faq-hero-facts .num {
  font-size: 1.5rem;
  color: var(--c-cyan);
  line-height: 1;
}

.page-faq .faq-hero-media {
  aspect-ratio: 2 / 1;
  margin: 0;
}

.page-faq .faq-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

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

/* ---------- 左侧类别栏 ---------- */
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail-title {
  margin: 0 0 .75rem;
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: 0 0 .35rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail-list > li {
  flex: 0 0 auto;
}

.page-faq .faq-rail-link {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .6rem .8rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(19, 42, 42, .42);
  color: var(--c-silver);
  font-size: .875rem;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  border-color: var(--c-cyan-deep);
  color: var(--c-bright);
  background: rgba(43, 227, 213, .08);
}

.page-faq .faq-rail-link:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-faq .faq-rail-dot {
  inline-size: .5rem;
  block-size: .5rem;
  border-radius: 50%;
  background: var(--c-cyan);
  flex: 0 0 auto;
}

.page-faq .faq-rail-dot[data-cat="refresh"] { background: var(--faq-cat-refresh); }
.page-faq .faq-rail-dot[data-cat="entry"] { background: var(--faq-cat-entry); }
.page-faq .faq-rail-dot[data-cat="media"] { background: var(--faq-cat-media); }

.page-faq .faq-rail-count {
  margin-left: auto;
  font-size: .75rem;
  color: var(--c-mist);
}

.page-faq .faq-rail-note {
  display: none;
}

.page-faq .faq-rail-jump {
  display: inline-block;
  margin-top: .6rem;
  font-size: .875rem;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group[data-cat="config"] { --cat-color: var(--faq-cat-config); }
.page-faq .faq-group[data-cat="refresh"] { --cat-color: var(--faq-cat-refresh); }
.page-faq .faq-group[data-cat="entry"] { --cat-color: var(--faq-cat-entry); }
.page-faq .faq-group[data-cat="media"] { --cat-color: var(--faq-cat-media); }

.page-faq .faq-group-head {
  padding-left: 1rem;
  border-left: 3px solid var(--cat-color);
  margin-bottom: 1.25rem;
}

.page-faq .faq-group-head h2 {
  margin: .55rem 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.25;
  color: var(--c-bright);
}

.page-faq .faq-group-lede {
  margin: .6rem 0 0;
  max-width: 46rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-silver);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--line-soft);
}

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

.page-faq .faq-summary {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) 1.25rem;
  align-items: start;
  gap: 0 .7rem;
  padding: 1.05rem .65rem 1.05rem .2rem;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius);
  transition: background .25s var(--ease);
}

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

.page-faq .faq-summary:hover {
  background: rgba(43, 227, 213, .05);
}

.page-faq .faq-summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-faq .faq-index {
  font-size: .8125rem;
  color: var(--c-mist);
  letter-spacing: .06em;
  padding-top: .32rem;
}

.page-faq .faq-item[open] .faq-index {
  color: var(--cat-color);
}

.page-faq .faq-q {
  font-size: clamp(1rem, 1.5vw, 1.1875rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-bright);
}

.page-faq .faq-toggle {
  position: relative;
  inline-size: 1.125rem;
  block-size: 1.125rem;
  margin-top: .35rem;
  justify-self: end;
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  background: var(--cat-color);
  transform-origin: center;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.page-faq .faq-toggle::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-toggle::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .faq-answer {
  padding: 0 .65rem 1.35rem 2.7rem;
}

.page-faq .faq-verdict {
  margin: 0 0 1rem;
  padding: .55rem 0 .55rem .85rem;
  border-left: 2px solid var(--cat-color);
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--c-bright);
  background: linear-gradient(90deg, rgba(43, 227, 213, .07), transparent 70%);
}

.page-faq .faq-steps {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: .6rem;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-faq .faq-steps .num {
  font-size: .8125rem;
  color: var(--cat-color);
  padding-top: .22rem;
}

/* ---------- 分隔图 ---------- */
.page-faq .faq-divider {
  margin: 0 0 clamp(2.5rem, 6vw, 4rem);
}

.page-faq .faq-divider img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
}

.page-faq .faq-divider .media-caption {
  margin-top: .7rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 兜底联系 ---------- */
.page-faq .faq-contact-card {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}

.page-faq .faq-contact-label {
  margin: 0 0 .35rem;
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-faq .faq-contact-value {
  margin: 0;
  font-size: clamp(.95rem, 1.5vw, 1.05rem);
  color: var(--c-cyan);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: 1.35rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
  font-size: .875rem;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-faq .faq-contact-btn {
  margin-top: 1.15rem;
}

/* ---------- 相关阅读 ---------- */
.page-faq .faq-more-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-faq .faq-more-card {
  position: relative;
  display: block;
  padding: 1.35rem 3rem 1.35rem 1.35rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(19, 42, 42, .45);
  text-decoration: none;
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}

.page-faq .faq-more-card:hover,
.page-faq .faq-more-card:focus-visible {
  border-color: var(--c-cyan-deep);
  background: rgba(43, 227, 213, .07);
  transform: translateY(-2px);
}

.page-faq .faq-more-card:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-faq .faq-more-eyebrow {
  margin: 0;
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--c-gold);
}

.page-faq .faq-more-title {
  margin: .5rem 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-bright);
}

.page-faq .faq-more-desc {
  margin: .5rem 0 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-faq .faq-more-go {
  position: absolute;
  right: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.15rem;
  color: var(--c-cyan);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
  }

  .page-faq .faq-rail-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail-list > li {
    flex: 1 1 auto;
  }

  .page-faq .faq-rail-link {
    white-space: normal;
  }

  .page-faq .faq-rail-note {
    display: block;
    margin-top: 1.25rem;
    padding: 1rem 1.1rem;
    font-size: .8125rem;
    line-height: 1.75;
    color: var(--c-silver);
  }

  .page-faq .faq-rail-note p {
    margin: 0;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-more-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-answer {
    padding-left: 3rem;
    max-width: 52rem;
  }
}

@media (min-width: 1280px) {
  .page-faq {
    --faq-rail-w: 17rem;
  }
}