.page-faq {
  position: relative;
  --faq-idx-w: 236px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 56px) 0 clamp(48px, 7vw, 84px);
  overflow: hidden;
}

.page-faq .faq-hero-glow {
  position: absolute;
  inset: -28% -12% auto -24%;
  height: 150%;
  pointer-events: none;
  background:
    radial-gradient(46% 52% at 76% 16%, rgba(123, 92, 255, 0.34), transparent 70%),
    radial-gradient(40% 44% at 10% 84%, rgba(63, 224, 255, 0.2), transparent 72%);
}

.page-faq .faq-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

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

.page-faq .faq-hero-title {
  margin: 14px 0 20px;
  line-height: 1.06;
  max-width: 15ch;
}

.page-faq .faq-hero-copy .lede {
  max-width: 56ch;
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-faq .faq-hero-visual {
  position: relative;
  isolation: isolate;
}

.page-faq .faq-hero-orbit {
  position: absolute;
  inset: -9% -11% -13% 12%;
  border: 1px dashed rgba(123, 92, 255, 0.45);
  border-radius: 50%;
  transform: rotate(-12deg);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-media {
  position: relative;
  z-index: 1;
  border-radius: 0;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lift);
  clip-path: polygon(5% 0, 100% 7%, 95% 100%, 0 91%);
}

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

/* ---------- 两栏查阅区 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-faq .faq-index-label {
  margin: 0 0 14px;
}

.page-faq .faq-index-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index-link {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--text-soft);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-index-link .idx {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
  transition: color 0.22s var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--cyan);
  border-color: rgba(63, 224, 255, 0.55);
  background: rgba(63, 224, 255, 0.08);
}

.page-faq .faq-index-link:hover .idx,
.page-faq .faq-index-link:focus-visible .idx {
  color: var(--cyan);
}

.page-faq .faq-index-foot {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-index-foot-text {
  margin: 0 0 12px;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 问答流 ---------- */
.page-faq .faq-stream {
  display: grid;
  gap: clamp(42px, 6vw, 76px);
  min-width: 0;
}

.page-faq .faq-cat {
  scroll-margin-top: calc(var(--header-h) + 28px);
  min-width: 0;
}

.page-faq .faq-cat-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 14px;
  row-gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}

.page-faq .faq-cat-num {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--cat, var(--cyan));
  text-shadow: 0 0 14px rgba(63, 224, 255, 0.28);
}

.page-faq .faq-cat-title {
  margin: 0;
  line-height: 1.18;
}

.page-faq .faq-cat-note {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 60ch;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-inline-media {
  max-width: 400px;
  margin: 0 0 24px;
  border-radius: 0;
  border: 1px solid var(--glass-border);
  clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
}

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

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(11, 18, 38, 0.62);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(152, 164, 194, 0.32);
}

.page-faq .faq-item[open] {
  background: rgba(21, 28, 59, 0.78);
  border-color: rgba(232, 236, 246, 0.18);
  box-shadow: inset 3px 0 0 var(--cat, var(--cyan)), var(--shadow-card);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  margin: 0;
  list-style: none;
  cursor: pointer;
  color: var(--text);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.62;
  transition: color 0.22s var(--ease);
}

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

.page-faq .faq-q::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-data);
  font-size: 17px;
  line-height: 1;
  color: var(--gray);
  transition: color 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "−";
  color: var(--cat, var(--cyan));
}

.page-faq .faq-q:hover {
  color: var(--cyan);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
  border-radius: var(--r-md);
}

.page-faq .faq-q-idx {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gray);
  transition: color 0.24s var(--ease), text-shadow 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-q-idx {
  color: var(--cat, var(--cyan));
  text-shadow: 0 0 12px currentColor;
}

.page-faq .faq-a {
  padding: 0 18px 18px 46px;
  max-width: 68ch;
  color: var(--text-soft);
  font-size: 14.8px;
  line-height: 1.8;
}

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

.page-faq .faq-hl {
  font-family: var(--font-data);
  font-size: 0.98em;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-shadow: 0 0 16px rgba(63, 224, 255, 0.35);
}

/* ---------- 底部延伸入口 ---------- */
.page-faq .faq-more {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(120deg, rgba(123, 92, 255, 0.14), transparent 46%),
    rgba(11, 18, 38, 0.7);
}

.page-faq .faq-more .annotation {
  margin: 0;
}

.page-faq .faq-more-links {
  display: grid;
  gap: 2px;
}

.page-faq .faq-more-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-left: 2px solid transparent;
  color: var(--text);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-more-link span {
  font-family: var(--font-data);
  color: var(--gray);
  transition: color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-more-link:hover,
.page-faq .faq-more-link:focus-visible {
  color: var(--gold);
  border-left-color: var(--gold);
  background: rgba(255, 196, 107, 0.07);
}

.page-faq .faq-more-link:hover span,
.page-faq .faq-more-link:focus-visible span {
  color: var(--gold);
  transform: translateX(4px);
}

/* ---------- 回到顶部 ---------- */
.page-faq .faq-orbit-top {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(14px, 3vw, 30px);
  z-index: 40;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(63, 224, 255, 0.38);
  background: rgba(11, 18, 38, 0.86);
  color: var(--cyan);
  font-family: var(--font-data);
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .faq-orbit-top::before {
  content: "";
  position: absolute;
  inset: -7px;
  border: 1px dashed rgba(123, 92, 255, 0.5);
  border-radius: 50%;
  animation: faq-orbit-spin 16s linear infinite;
}

.page-faq .faq-orbit-top:hover,
.page-faq .faq-orbit-top:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
  color: var(--white);
}

@keyframes faq-orbit-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- 表格屏 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-a {
    padding-left: 52px;
  }

  .page-faq .faq-q {
    font-size: 16px;
    padding: 17px 20px;
  }

  .page-faq .faq-more-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-idx-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }

  .page-faq .faq-index-list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding: 0 0 0 14px;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-index-link {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    align-items: baseline;
    gap: 10px;
    padding: 10px 12px;
    border: 0;
    border-radius: var(--r-sm);
    white-space: normal;
    font-size: 14px;
  }

  .page-faq .faq-index-link::before {
    content: "";
    position: absolute;
    left: -18px;
    top: 50%;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    border-radius: 50%;
    background: rgba(152, 164, 194, 0.5);
    transition: background 0.22s var(--ease), box-shadow 0.22s var(--ease);
  }

  .page-faq .faq-index-link:hover::before,
  .page-faq .faq-index-link:focus-visible::before {
    background: var(--cyan);
    box-shadow: 0 0 0 4px rgba(63, 224, 255, 0.18);
  }

  .page-faq .faq-index-foot {
    padding-left: 14px;
  }

  .page-faq .faq-inline-media {
    max-width: 460px;
  }
}

/* ---------- 降级动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-orbit-top::before {
    animation: none;
  }

  .page-faq .faq-index-link,
  .page-faq .faq-item,
  .page-faq .faq-q,
  .page-faq .faq-more-link,
  .page-faq .faq-orbit-top {
    transition-duration: 0.01ms;
  }
}

.page-faq {
  --cat: none;
}