.page-faq {
  --faq-rule: rgba(127, 184, 201, .26);
  --faq-rule-soft: rgba(127, 184, 201, .13);
  --faq-text: #E6EEF6;
  --faq-text-dim: #9FB8C8;
  --faq-tint: rgba(18, 48, 85, .42);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
}

.page-faq .faq-hero-copy .kicker {
  margin: 0 0 10px;
}

.page-faq .faq-hero-copy .display-1 {
  margin: 0 0 16px;
}

.page-faq .faq-hero-copy .lede {
  margin: 0;
  max-width: 62ch;
  color: var(--faq-text-dim);
}

.page-faq .faq-hero-side {
  background: var(--faq-tint);
  border: 1px solid var(--faq-rule);
  clip-path: var(--clip-cut);
  padding: 20px 22px;
}

.page-faq .faq-side-title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--c-mist);
}

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

.page-faq .faq-quick a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--faq-text);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-rule-soft);
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-quick li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-quick a::after {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-neon);
  transition: transform .24s ease;
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  color: var(--c-neon);
  border-bottom-color: rgba(61, 255, 158, .45);
}

.page-faq .faq-quick a:hover::after,
.page-faq .faq-quick a:focus-visible::after {
  transform: translateX(4px);
}

.page-faq .faq-strip {
  margin-top: 36px;
}

.page-faq .faq-strip > * {
  min-width: 0;
}

/* ---------- 分类信息图 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure-frame,
.page-faq .faq-side-frame {
  display: block;
  border: 1px solid var(--faq-rule);
  clip-path: var(--clip-cut);
}

.page-faq .faq-figure img,
.page-faq .faq-side-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure .media-caption,
.page-faq .faq-side-figure .media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-text-dim);
}

/* ---------- 手册式主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq .faq-toc-title {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--c-mist);
}

.page-faq .faq-toc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--faq-text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  color: var(--faq-text);
  border-left-color: var(--c-neon);
  background: rgba(61, 255, 158, .07);
}

.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-orange);
}

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

/* ---------- 问题区块 ---------- */
.page-faq .faq-block {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-block + .faq-block {
  margin-top: 52px;
}

.page-faq .faq-block-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-num {
  flex: 0 0 auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-orange);
}

.page-faq .faq-block-head h2 {
  margin: 0;
  color: var(--faq-text);
}

.page-faq .faq-lead {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--faq-text-dim);
}

.page-faq .faq-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 6px;
}

.page-faq .faq-cols > * {
  min-width: 0;
}

.page-faq .faq-side-figure {
  margin: 0;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  margin: 6px 0 0;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 4px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--faq-text);
  transition: color .2s ease;
}

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

.page-faq .faq-q::before {
  content: "";
  flex: 0 0 auto;
  width: 0;
  height: 0;
  margin-top: 8px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--c-neon);
  transform: rotate(-90deg);
  transition: transform .24s ease;
}

.page-faq .faq-item[open] > .faq-q::before {
  transform: rotate(0deg);
}

.page-faq .faq-q:hover,
.page-faq .faq-item[open] > .faq-q {
  color: #FFFFFF;
}

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

.page-faq .faq-a {
  margin: 0 4px 16px 17px;
  padding: 16px 18px;
  background: var(--c-cream);
  color: var(--c-ink);
  clip-path: var(--clip-cut-sm);
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-a a {
  color: #B2330F;
  text-decoration: underline;
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .faq-item[open] .faq-a {
    animation: faq-reveal .3s ease both;
  }
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 分隔刻度与延伸阅读 ---------- */
.page-faq .faq-rule {
  height: 7px;
  margin: 26px 0 0;
  border-top: 1px solid var(--faq-rule);
  background-image: repeating-linear-gradient(to right, var(--faq-rule) 0 1px, transparent 1px 16px);
  background-size: 16px 7px;
  background-repeat: repeat-x;
  background-position: top left;
  -webkit-mask-image: linear-gradient(to right, #000 0%, rgba(0, 0, 0, .35) 68%, transparent 100%);
  mask-image: linear-gradient(to right, #000 0%, rgba(0, 0, 0, .35) 68%, transparent 100%);
}

.page-faq .faq-extend {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
}

.page-faq .faq-extend-label {
  color: var(--c-mist);
  letter-spacing: .18em;
}

.page-faq .faq-extend a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 255, 158, .35);
}

.page-faq .faq-extend a:hover,
.page-faq .faq-extend a:focus-visible {
  border-bottom-color: var(--c-neon);
}

/* ---------- 收口区块 ---------- */
.page-faq .faq-block--cta {
  margin-top: 56px;
  padding: 24px 24px 28px;
  background: linear-gradient(150deg, rgba(42, 27, 74, .55) 0%, rgba(7, 19, 39, .2) 62%);
  border: 1px solid var(--faq-rule);
  clip-path: var(--clip-cut);
}

.page-faq .faq-block--cta .faq-block-head {
  border-bottom-color: rgba(255, 90, 43, .5);
}

.page-faq .faq-cta-text {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-text-dim);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
  }

  .page-faq .faq-cols {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 32px;
  }
}

/* ---------- 桌面手册布局 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-faq .faq-toc-nav {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-faq .faq-toc-link {
    display: flex;
    justify-content: flex-start;
  }

  .page-faq .faq-cols {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
  }

  .page-faq .faq-q {
    font-size: 16px;
    padding: 18px 4px;
  }
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-strip {
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-a {
    margin: 0 0 14px 12px;
    padding: 14px 14px;
  }

  .page-faq .faq-block--cta {
    padding: 20px 16px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation: none !important;
    transition: none !important;
  }
}