.page-faq {
  background: var(--night);
  color: var(--cream);
  --faq-line: rgba(143, 163, 184, .24);
  --faq-ink-line: rgba(36, 26, 20, .16);
  --faq-paper: #FBF7EF;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq [tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 52px) 0 0;
  background: var(--night);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg,
      transparent 0 96px,
      rgba(30, 58, 86, .55) 96px 97px);
  opacity: .55;
  pointer-events: none;
}

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

.page-faq .faq-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-faq .faq-crumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--edge);
}

.page-faq .faq-crumb a {
  color: var(--slate);
  text-decoration: none;
}

.page-faq .faq-crumb a:hover {
  color: var(--cream);
}

.page-faq .faq-crumb li[aria-current] {
  color: var(--cyan);
}

.page-faq .plate {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
}

.page-faq .plate-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-faq .plate-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-faq .faq-title {
  max-width: 18ch;
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2rem, 6.2vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--cream);
}

.page-faq .faq-lead {
  max-width: var(--reading);
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(245, 239, 227, .82);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--edge);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--slate);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .faq-jump a:hover {
  color: var(--cream);
  border-color: var(--orange);
  background: rgba(242, 101, 34, .1);
}

.page-faq .faq-band {
  margin: clamp(28px, 4vw, 44px) 0 0;
  position: relative;
}

.page-faq .faq-band::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 88px;
  height: 3px;
  background: var(--orange);
}

.page-faq .faq-band img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

/* ---------- 目录对照表 ---------- */
.page-faq .faq-catalog {
  background: var(--cream);
  color: var(--brown);
  padding: clamp(40px, 6vw, 84px) 0;
}

.page-faq .faq-plate-dark .plate-num {
  color: var(--burnt);
}

.page-faq .faq-plate-dark .plate-tag {
  color: var(--teal);
}

.page-faq .faq-catalog-head h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1.1;
  color: var(--brown);
}

.page-faq .faq-catalog-lead {
  max-width: 66ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(36, 26, 20, .78);
}

.page-faq .faq-catalog-grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--faq-ink-line);
  background: var(--faq-paper);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 12px 14px;
  background: var(--teal);
  color: var(--cream);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .16em;
  text-align: left;
  white-space: nowrap;
}

.page-faq .faq-table th.num,
.page-faq .faq-table td.num {
  text-align: right;
}

.page-faq .faq-table tbody td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--faq-ink-line);
  line-height: 1.6;
  vertical-align: top;
  color: var(--brown);
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: rgba(36, 26, 20, .035);
}

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

.page-faq .faq-table tbody tr:hover {
  background: rgba(242, 101, 34, .09);
}

.page-faq .faq-table tbody td:first-child {
  font-weight: 600;
}

.page-faq .faq-table td.num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
}

.page-faq .faq-table a {
  color: var(--burnt);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-table a:hover {
  color: var(--orange);
}

.page-faq .faq-catalog-note {
  display: grid;
  gap: 12px;
  align-content: start;
}

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

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

.page-faq .faq-catalog-note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(36, 26, 20, .72);
  border-left: 2px solid var(--orange);
  padding-left: 10px;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-body {
  background: var(--night);
  padding: clamp(40px, 6vw, 84px) 0 clamp(48px, 7vw, 100px);
}

.page-faq .faq-body-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

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

.page-faq .faq-index-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--slate);
}

.page-faq .faq-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--edge);
}

.page-faq .faq-index-link {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-left: -1px;
  padding: 9px 0 9px 14px;
  border-left: 2px solid transparent;
  font-size: 14px;
  color: var(--slate);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .faq-index-num {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--edge);
}

.page-faq .faq-index-link:hover {
  color: var(--cream);
  border-left-color: var(--orange);
}

.page-faq .faq-index-link[aria-current] {
  color: var(--cream);
  border-left-color: var(--orange);
  background: rgba(63, 224, 200, .06);
}

.page-faq .faq-index-link[aria-current] .faq-index-num {
  color: var(--cyan);
}

.page-faq .faq-qa {
  min-width: 0;
  display: grid;
  gap: clamp(34px, 5vw, 60px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-group h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.45rem, 3.2vw, 2.2rem);
  line-height: 1.18;
  color: var(--cream);
}

.page-faq .faq-group-intro {
  max-width: 60ch;
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-item {
  margin: 0 0 12px;
  background: var(--cream);
  color: var(--brown);
  border: 1px solid var(--faq-line);
  box-shadow: 0 18px 34px -32px rgba(0, 0, 0, .95);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-1px);
  border-color: rgba(242, 101, 34, .5);
}

.page-faq .faq-item[open] {
  box-shadow: inset 2px 0 0 var(--orange), 0 18px 34px -32px rgba(0, 0, 0, .95);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 15px 18px 15px 20px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--brown);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--burnt);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-answer {
  padding: 0 20px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--brown);
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
}

.page-faq .faq-kicker {
  display: block;
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--teal);
}

.page-faq .faq-kicker + p {
  margin-top: 0;
}

.page-faq .faq-steps {
  margin: 0 0 4px;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-steps li::before {
  content: counter(step);
  margin-top: 3px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  background: var(--night);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
}

.page-faq .faq-answer a {
  color: var(--burnt);
  text-underline-offset: 3px;
}

.page-faq .faq-answer a:hover {
  color: var(--orange);
}

.page-faq .faq-helper {
  padding: clamp(20px, 3vw, 30px);
  background: var(--cream);
  color: var(--brown);
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--orange);
  box-shadow: 0 20px 38px -34px rgba(0, 0, 0, .95);
}

.page-faq .faq-helper p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
}

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

.page-faq .faq-helper-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .faq-helper-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(36, 26, 20, .88);
}

.page-faq .faq-helper-list li::before {
  content: "—";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  line-height: 1.7;
}

.page-faq .faq-helper a {
  color: var(--burnt);
  text-underline-offset: 3px;
}

.page-faq .faq-helper a:hover {
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-catalog-grid {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-body-grid {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-catalog-grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 32px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-body-grid {
    grid-template-columns: 240px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-jump a,
  .page-faq .faq-index-link {
    transition: color .12s linear, border-color .12s linear, background-color .12s linear;
  }

  .page-faq .faq-item:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>