.page-faq {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq .lead {
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(36px, 5.5vw, 76px);
  background:
    radial-gradient(115% 85% at 8% 0%, rgba(46, 196, 182, 0.16), transparent 58%),
    radial-gradient(85% 65% at 96% 10%, rgba(255, 107, 44, 0.15), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-faq .faq-hero__copy h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 5.2vw, 52px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.18;
}

.page-faq .faq-hero__copy .tag-group {
  margin-top: 20px;
}

.page-faq .faq-board {
  position: relative;
  padding: 22px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(22, 39, 58, 0.96), rgba(14, 27, 42, 0.96));
}

.page-faq .faq-board::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 34px;
  height: 34px;
  border-top: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
}

.page-faq .faq-board .focus-number {
  margin: 6px 0 0;
  font-size: clamp(52px, 9vw, 76px);
  line-height: 1;
}

.page-faq .faq-board__unit {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .faq-board .rule {
  margin: 18px 0 14px;
}

.page-faq .faq-board__rows {
  margin: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-board__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 13.5px;
}

.page-faq .faq-board__row dt {
  color: var(--muted);
}

.page-faq .faq-board__row dd {
  margin: 0;
  color: var(--sand);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 主题索引 ---------- */
.page-faq .faq-index {
  --muted: #46586a;
  --line: #a9bbc9;
  --teal: #177f77;
  padding: var(--section-y) 0;
  background: var(--fog);
  color: var(--ink);
}

.page-faq .faq-sec__head h2 {
  margin: 8px 0 12px;
  color: var(--ink);
}

.page-faq .faq-sec__note {
  max-width: 64ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #35485a;
}

.page-faq .faq-index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-faq .faq-cluster {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-cluster__item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-cluster__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 15px 8px;
  color: inherit;
  text-decoration: none;
  transition: background 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-cluster__link:hover {
  background: rgba(46, 196, 182, 0.14);
  transform: translateX(4px);
}

.page-faq .faq-cluster__link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  background: rgba(46, 196, 182, 0.14);
}

.page-faq .faq-cluster__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-faq .faq-cluster__body {
  display: grid;
  gap: 3px;
}

.page-faq .faq-cluster__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-cluster__desc {
  font-size: 13.5px;
  color: var(--muted);
}

.page-faq .faq-cluster__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--muted);
}

.page-faq .faq-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  aspect-ratio: 12 / 7;
}

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

.page-faq .faq-index__fig .media-frame__caption {
  color: var(--ink);
  background: rgba(220, 230, 238, 0.92);
}

/* ---------- 提问格式条 ---------- */
.page-faq .faq-flow {
  padding: var(--section-y) 0;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 44px);
  align-items: center;
}

.page-faq .faq-flow__fig {
  aspect-ratio: 5 / 3;
}

.page-faq .faq-flow__copy h2 {
  margin: 8px 0 18px;
}

.page-faq .faq-flow__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-flow__list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--white);
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(159, 176, 192, 0.28);
}

.page-faq .faq-flow__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-flow__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sand);
  padding-top: 4px;
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  padding: var(--section-y) 0;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block--alt {
  background: #112132;
}

.page-faq .faq-block__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-block__aside h2 {
  margin: 8px 0 12px;
}

.page-faq .faq-block__note {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-block__count {
  display: inline-block;
  margin: 0;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--sand);
  border: 1px solid rgba(242, 193, 78, 0.5);
  border-radius: var(--radius);
}

.page-faq .faq-block__list {
  display: grid;
  gap: 10px;
  align-content: start;
}

/* ---------- 问答卡片 ---------- */
.page-faq .qa {
  --muted: #46586a;
  --line: #98abbb;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(22, 39, 58, 0.6);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-faq .qa:hover {
  border-color: var(--teal-pale);
  transform: translateY(-2px);
}

.page-faq .qa[open] {
  background: var(--fog);
  color: var(--ink);
  border-color: var(--fog);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: start;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.65;
  color: inherit;
}

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

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

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 5px;
}

.page-faq .qa__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 8px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
  border-radius: 1px;
}

.page-faq .qa__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__a {
  margin: 0 18px 18px;
  padding-top: 14px;
  border-top: 1px dashed rgba(152, 171, 187, 0.5);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--muted);
}

.page-faq .qa__a p:last-of-type {
  margin-bottom: 0;
}

.page-faq .qa__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-faq .qa__link {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: #177f77;
  border: 1px solid rgba(23, 127, 119, 0.45);
  border-radius: var(--radius);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .qa__link:hover,
.page-faq .qa__link:focus-visible {
  background: #177f77;
  color: var(--white);
  border-color: #177f77;
}

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

/* ---------- 尾部引导 ---------- */
.page-faq .faq-tail {
  padding: var(--section-y) 0 calc(var(--section-y) + 12px);
  background:
    linear-gradient(120deg, rgba(255, 107, 44, 0.14), transparent 55%),
    #112132;
}

.page-faq .faq-tail__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-faq .faq-tail__inner h2 {
  margin: 8px 0 12px;
}

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

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-faq .faq-tail__inner {
    grid-template-columns: minmax(0, 1.6fr) auto;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 296px;
    align-items: start;
  }

  .page-faq .faq-index__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-block__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-block__aside {
    position: sticky;
    top: 28px;
  }
}

@media (max-width: 480px) {
  .page-faq .qa__q {
    grid-template-columns: 28px minmax(0, 1fr) 14px;
    gap: 9px;
    padding: 14px 14px;
    font-size: 15.5px;
  }

  .page-faq .qa__a {
    margin: 0 14px 16px;
  }

  .page-faq .faq-cluster__link {
    gap: 10px;
    padding: 13px 6px;
  }

  .page-faq .faq-cluster__name {
    font-size: 15.5px;
  }
}
<<<PAGE_CSS_END>>>