.page-faq {
  --faq-gap: clamp(16px, 2.6vw, 30px);
  --faq-radius: 2px;
  background:
    radial-gradient(circle at 88% 2%, rgba(55, 224, 208, 0.09), transparent 44%),
    radial-gradient(circle at 4% 32%, rgba(227, 169, 75, 0.07), transparent 40%),
    var(--ink-deep);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .breadcrumbs {
  padding-top: clamp(14px, 2vw, 22px);
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(26px, 4vw, 52px);
  border-bottom: 1px solid var(--line-struct);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(132deg, rgba(30, 74, 62, 0.62) 0%, rgba(30, 74, 62, 0.12) 54%, rgba(6, 18, 15, 0) 78%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 0 96%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

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

.page-faq .eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  border-top: 1px solid var(--amber);
  border-bottom: 1px solid var(--amber);
  padding: 4px 2px;
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-faq h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(14px, 2.2vw, 22px);
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: clamp(16px, 2.4vw, 26px);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-hero__meta span {
  position: relative;
  padding-left: 14px;
}

.page-faq .faq-hero__meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--amber);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line-struct);
  background: var(--ink-panel);
}

.page-faq .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.03);
}

.page-faq .faq-hero__figure .figure__media img {
  aspect-ratio: 1 / 1;
}

.page-faq .figure__caption {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--line-dim);
  border-top: 1px solid var(--line-struct);
}

/* ---------- 五组索引 ---------- */
.page-faq .faq-index {
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 3.4vw, 38px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 13px 14px 13px 16px;
  background: var(--ink-panel);
  border: 1px solid var(--line-struct);
  border-left: 2px solid var(--amber);
  border-radius: var(--faq-radius);
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index__num {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-faq .faq-index__name {
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-index__count {
  font-size: 12px;
  color: var(--line-dim);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  transform: translateY(-3px);
  border-color: var(--amber);
  background: var(--ink-moss);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  padding-top: clamp(30px, 5vw, 60px);
}

.page-faq .faq-side {
  display: none;
}

.page-faq .faq-side__title {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--line-dim);
  margin: 0 0 14px;
}

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

.page-faq .faq-side__list a {
  display: block;
  padding: 9px 0 9px 14px;
  margin-left: 1px;
  border-left: 1px solid var(--line-struct);
  color: var(--mist);
  font-size: 13.5px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-side__list a .mono {
  color: var(--line-dim);
  font-size: 11px;
  margin-right: 6px;
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--amber);
  border-left-width: 2px;
  padding-left: 15px;
}

.page-faq .faq-side__list a:hover .mono,
.page-faq .faq-side__list a:focus-visible .mono {
  color: var(--amber);
}

/* ---------- 分组与问答 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--frame-h) + 24px);
  margin-bottom: clamp(38px, 6vw, 72px);
}

.page-faq .faq-group:last-of-type {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line-struct);
  margin-bottom: 4px;
}

.page-faq .faq-group__no {
  font-size: clamp(18px, 3vw, 26px);
  line-height: 1;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-faq .faq-group__note {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--line-dim);
}

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

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 4px 16px 2px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

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

.page-faq .qa summary:hover {
  background: rgba(18, 48, 40, 0.55);
  padding-left: 8px;
}

.page-faq .qa summary:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .qa__num {
  flex: none;
  min-width: 2.4em;
  padding-top: 4px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(15px, 1.7vw, 16.5px);
  font-weight: 600;
  line-height: 1.65;
  color: var(--paper);
}

.page-faq .qa__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  margin-left: auto;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--amber);
}

.page-faq .qa__sign::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1.5px;
}

.page-faq .qa__sign::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

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

.page-faq .qa[open] summary {
  background: rgba(12, 31, 26, 0.72);
  padding-left: 8px;
}

.page-faq .qa__body {
  padding: 2px 0 20px 2px;
  border-left: 1px solid var(--line-struct);
  margin-left: 0;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  padding-left: calc(2.4em + 12px);
  max-width: 62ch;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-faq .qa__body a {
  color: var(--amber-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-struct);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  border-bottom-color: var(--amber);
  color: var(--paper);
}

/* ---------- 字段对照表 ---------- */
.page-faq .field-wrap {
  overflow-x: auto;
  margin: 4px 0 0 calc(2.4em + 12px);
  border: 1px solid var(--line-struct);
  background: var(--ink-panel);
}

.page-faq .field-table {
  width: 100%;
  min-width: 340px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-faq .field-table th,
.page-faq .field-table td {
  padding: 9px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line-struct);
  vertical-align: top;
}

.page-faq .field-table thead th {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--line-dim);
  background: var(--ink-moss);
  font-weight: 600;
}

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

.page-faq .field-table td.mono {
  color: var(--cyan);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-faq .field-table td:last-child {
  color: var(--mist);
  line-height: 1.65;
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border: 1px solid var(--line-struct);
  background: var(--ink-panel);
}

.page-faq .faq-figure .figure__media img {
  aspect-ratio: 5 / 3;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  scroll-margin-top: calc(var(--frame-h) + 24px);
  margin-top: clamp(10px, 2vw, 20px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line-struct);
  border-top: 2px solid var(--amber);
  background:
    linear-gradient(160deg, rgba(18, 48, 40, 0.9) 0%, rgba(12, 31, 26, 0.92) 62%, rgba(6, 18, 15, 0.96) 100%);
  border-radius: var(--faq-radius);
}

.page-faq .faq-cta__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  letter-spacing: -0.01em;
  line-height: 1.22;
}

.page-faq .faq-cta__lead {
  margin: 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-cta__list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-cta__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 12px;
  padding: 12px 14px;
  background: rgba(6, 18, 15, 0.55);
  border: 1px solid var(--line-struct);
  border-radius: var(--faq-radius);
}

.page-faq .faq-cta__list .mono {
  grid-row: span 2;
  font-size: 11.5px;
  color: var(--amber);
  padding-top: 3px;
  letter-spacing: 0.06em;
}

.page-faq .faq-cta__list strong {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-cta__list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-cta__contact {
  margin: clamp(16px, 2.6vw, 22px) 0 0;
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--line-dim);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .field-wrap {
    margin-left: calc(2.4em + 12px);
    margin-right: 12px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .faq-hero__figure {
    transform: translateY(12px);
  }

  .page-faq .faq-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .faq-index__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 14px 14px 16px;
  }

  .page-faq .faq-index__count {
    justify-self: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    display: block;
    position: sticky;
    top: calc(var(--frame-h) + 26px);
    padding-right: 8px;
  }

  .page-faq .qa__body p {
    padding-left: calc(2.4em + 16px);
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-body {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .qa summary,
  .page-faq .qa__sign::after,
  .page-faq .faq-side__list a {
    transition: none;
  }

  .page-faq .faq-index__item:hover,
  .page-faq .faq-index__item:focus-visible {
    transform: none;
  }
}
<<<END>>>