.page-faq {
  --faq-rail-w: 232px;
  --faq-shell-gap: 40px;
  --faq-block-gap: 72px;
  background: var(--ink);
  color: var(--white);
  padding-bottom: 96px;
}

.page-faq .faq-hero {
  padding: 32px 0 8px;
}

.page-faq .faq-hero-inner {
  position: relative;
}

.page-faq .faq-hero-inner::before {
  content: "";
  position: absolute;
  inset: -40px -24px auto -24px;
  height: 220px;
  background:
    radial-gradient(circle at 88% 18%, rgba(232, 50, 60, 0.14), transparent 58%),
    radial-gradient(circle at 12% 72%, rgba(47, 139, 255, 0.12), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-inner > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 20px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 20em;
}

.page-faq .faq-lede {
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0 0 26px;
}

.page-faq .faq-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--grid);
  background: rgba(18, 35, 60, 0.72);
  color: var(--white);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.page-faq .faq-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex: none;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--gold);
  background: rgba(242, 180, 65, 0.1);
  color: var(--gold);
}

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

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-shell-gap);
  padding-top: 40px;
}

.page-faq .faq-rail {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px 16px;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  background: rgba(18, 35, 60, 0.66);
}

.page-faq .faq-rail-title {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-rail-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--grid-soft);
}

.page-faq .faq-rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  color: var(--white);
  border-left-color: var(--gold);
  background: rgba(242, 180, 65, 0.07);
}

.page-faq .faq-rail-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.page-faq .faq-rail-num {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--dim);
  letter-spacing: 0.06em;
}

.page-faq .faq-rail-link:hover .faq-rail-num,
.page-faq .faq-rail-link:focus-visible .faq-rail-num {
  color: var(--signal, var(--red));
}

.page-faq .faq-rail-contact {
  margin-top: auto;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(232, 50, 60, 0.08);
  border: 1px solid rgba(232, 50, 60, 0.24);
}

.page-faq .faq-rail-contact-title {
  margin: 0 0 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-rail-contact-text {
  margin: 0 0 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-rail-contact-link {
  display: inline-block;
  font-size: 13px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px dashed rgba(242, 180, 65, 0.55);
  padding-bottom: 2px;
}

.page-faq .faq-rail-contact-link:hover,
.page-faq .faq-rail-contact-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

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

.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: var(--faq-block-gap);
  min-width: 0;
}

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

.page-faq .faq-block-head {
  margin-bottom: 26px;
}

.page-faq .faq-block-head h2 {
  margin: 12px 0 12px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(22px, 2.9vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--white);
  max-width: 22em;
}

.page-faq .faq-block-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-figure {
  margin: 0 0 28px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--grid);
  background: rgba(18, 35, 60, 0.56);
}

.page-faq .faq-figure .figure-media {
  position: relative;
  border-bottom: 1px solid var(--grid-soft);
}

.page-faq .faq-figure .figure-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(232, 50, 60, 0.06), rgba(11, 23, 41, 0.55));
  pointer-events: none;
}

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

.page-faq .faq-figure .figure-caption {
  padding: 12px 18px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.01em;
}

.page-faq .faq-figure-slim {
  max-width: 720px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: faq-step;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 20px 20px 20px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--grid);
  background:
    linear-gradient(180deg, rgba(30, 53, 84, 0.4), rgba(18, 35, 60, 0.56));
  transition: border-color 200ms ease, transform 200ms ease;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 39px;
  top: 60px;
  bottom: -14px;
  width: 1px;
  background: linear-gradient(180deg, var(--grid), transparent);
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step:hover {
  border-color: rgba(242, 180, 65, 0.5);
}

.page-faq .faq-step-badge {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(242, 180, 65, 0.12);
  z-index: 1;
}

.page-faq .faq-step-title {
  margin: 2px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-faq .faq-step-text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 62ch;
}

.page-faq .faq-step-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
}

.page-faq .faq-step-link::after {
  content: "\2192";
  font-family: var(--mono);
  transition: transform 180ms ease;
}

.page-faq .faq-step-link:hover::after,
.page-faq .faq-step-link:focus-visible::after {
  transform: translateX(3px);
}

.page-faq .faq-step-link:hover,
.page-faq .faq-step-link:focus-visible {
  color: var(--white);
}

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

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  border-radius: var(--radius);
  border: 1px solid var(--grid);
  background: rgba(18, 35, 60, 0.52);
  overflow: hidden;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(47, 139, 255, 0.5);
  background: rgba(18, 35, 60, 0.82);
}

.page-faq .faq-item-q {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 30px 1fr 20px;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
}

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

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

.page-faq .faq-item-index {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--blue);
  background: rgba(47, 139, 255, 0.14);
  border: 1px solid rgba(47, 139, 255, 0.42);
  transition: color 200ms ease, background-color 200ms ease, border-color 200ms ease;
}

.page-faq .faq-item[open] .faq-item-index {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-item-sign {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
}

.page-faq .faq-item-sign::before,
.page-faq .faq-item-sign::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 200ms ease, background-color 200ms ease;
}

.page-faq .faq-item-sign::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 1.6px;
}

.page-faq .faq-item-sign::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 1.6px;
}

.page-faq .faq-item[open] .faq-item-sign::after {
  transform: scaleY(0);
}

.page-faq .faq-item[open] .faq-item-sign::before,
.page-faq .faq-item[open] .faq-item-sign::after {
  background: var(--gold);
}

.page-faq .faq-item-a {
  padding: 2px 18px 20px 62px;
}

.page-faq .faq-item-a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 66ch;
}

.page-faq .faq-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-check {
  position: relative;
  padding: 18px 20px 18px 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--grid);
  background: rgba(18, 35, 60, 0.5);
}

.page-faq .faq-check::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--amber), var(--crimson));
}

.page-faq .faq-check-symptom {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

.page-faq .faq-check-symptom::before {
  content: "现象 · ";
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--crimson);
  margin-right: 4px;
}

.page-faq .faq-check-action {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--muted);
  max-width: 68ch;
}

.page-faq .faq-check-action::before {
  content: "这样处理 · ";
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--green);
  margin-right: 4px;
}

.page-faq .faq-filter {
  margin-bottom: 14px;
}

.page-faq .faq-table-wrap {
  border-radius: var(--radius);
  border: 1px solid var(--grid);
  background: rgba(18, 35, 60, 0.55);
  overflow: hidden;
}

.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  table-layout: fixed;
}

.page-faq .faq-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-faq .faq-table thead th {
  text-align: left;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(11, 23, 41, 0.7);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-table tbody tr {
  transition: background-color 160ms ease;
}

.page-faq .faq-table tbody tr:nth-child(odd) {
  background: rgba(30, 53, 84, 0.24);
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(47, 139, 255, 0.09);
}

.page-faq .faq-table tbody th {
  text-align: left;
  padding: 13px 16px;
  font-weight: 600;
  color: var(--white);
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px solid var(--grid-soft);
  vertical-align: top;
}

.page-faq .faq-table tbody td {
  padding: 13px 16px;
  color: var(--muted);
  line-height: 1.65;
  border-bottom: 1px solid var(--grid-soft);
  vertical-align: top;
  word-break: break-word;
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table tbody th {
  width: 30%;
}

.page-faq .faq-table tbody td:first-of-type {
  width: 20%;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-faq .faq-cta {
  display: grid;
  gap: 22px;
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(242, 180, 65, 0.34);
  background:
    radial-gradient(circle at 92% 8%, rgba(232, 50, 60, 0.14), transparent 58%),
    linear-gradient(180deg, rgba(30, 53, 84, 0.55), rgba(18, 35, 60, 0.78));
}

.page-faq .faq-cta-main h2 {
  margin: 10px 0 12px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.32;
  color: var(--white);
  max-width: 20em;
}

.page-faq .faq-cta-main p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 60ch;
}

.page-faq .faq-cta-list {
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--grid-soft);
}

.page-faq .faq-cta-row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 11px 14px;
  background: rgba(11, 23, 41, 0.86);
}

.page-faq .faq-cta-row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-family: var(--mono);
}

.page-faq .faq-cta-row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-cta-row dd .num {
  font-family: var(--mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 760px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 32px;
    padding: 32px 30px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 48px;
    padding-top: 56px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    align-self: start;
    padding: 20px 18px;
  }

  .page-faq .faq-hero {
    padding-top: 44px;
  }
}

@media (max-width: 760px) {
  .page-faq {
    --faq-block-gap: 56px;
    padding-bottom: 72px;
  }

  .page-faq .faq-hero {
    padding-top: 24px;
  }

  .page-faq .faq-hero-inner::before {
    inset: -24px -12px auto -12px;
    height: 170px;
  }

  .page-faq .faq-step {
    grid-template-columns: 36px 1fr;
    gap: 13px;
    padding: 18px 16px;
  }

  .page-faq .faq-step-badge {
    width: 36px;
    height: 36px;
    font-size: 15px;
    box-shadow: 0 0 0 4px rgba(242, 180, 65, 0.12);
  }

  .page-faq .faq-step::before {
    left: 33px;
    top: 52px;
  }

  .page-faq .faq-item-q {
    grid-template-columns: 26px 1fr 16px;
    gap: 11px;
    padding: 14px 14px;
    font-size: 14.5px;
  }

  .page-faq .faq-item-index {
    width: 26px;
    height: 26px;
    font-size: 11.5px;
  }

  .page-faq .faq-item-a {
    padding: 2px 14px 18px 50px;
  }

  .page-faq .faq-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-table {
    min-width: 560px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

.page-faq {
  --signal: currentColor;
}