.page-faq {
  --faq-rule: rgba(20, 16, 14, 0.14);
  --faq-ink-soft: rgba(20, 16, 14, 0.7);
  --faq-teal-wash: rgba(14, 124, 140, 0.07);
  --faq-gold-wash: rgba(217, 162, 39, 0.1);
  background: var(--paper);
  color: var(--ink);
  padding-top: clamp(20px, 4vw, 48px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: end;
}

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

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 12em;
  font-size: clamp(32px, 5.8vw, 62px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.02em;
  transform: skewX(-1.5deg);
  transform-origin: left bottom;
  text-shadow: 4px 4px 0 rgba(224, 89, 31, 0.16);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 var(--orange);
  overflow: hidden;
  background: var(--night);
  aspect-ratio: 1 / 1;
}

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

/* ---------- 双栏主体 ---------- */
.page-faq .faq-body {
  border-top: 1px solid var(--faq-rule);
  padding-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

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

.page-faq .faq-index__sticky {
  background: var(--paper-light);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--paper-shadow);
  padding: 20px 18px 22px;
}

.page-faq .faq-index__sticky > .eyebrow + * {
  margin-top: 10px;
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 22px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tags a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 5px 9px;
  border: 1px solid var(--teal-soft);
  border-radius: var(--radius);
  color: var(--teal);
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease),
    border-color 0.18s var(--ease);
}

.page-faq .faq-tags a:hover,
.page-faq .faq-tags a:focus-visible {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--paper-light);
}

.page-faq .faq-cat {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-cat li {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-cat a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 2px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-cat a:hover,
.page-faq .faq-cat a:focus-visible {
  color: var(--orange-deep);
  padding-left: 6px;
}

.page-faq .faq-cat__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-index__hint {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-rule);
  font-size: 13px;
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

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

/* ---------- 分类区块 ---------- */
.page-faq .faq-section {
  margin-bottom: clamp(34px, 5vw, 52px);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

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

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange-deep);
}

.page-faq .faq-section h2 {
  margin: 0;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-faq .faq-section__note {
  margin: 10px 0 18px;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-section__figure {
  margin: 0 0 20px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--paper-shadow);
  overflow: hidden;
  background: var(--paper-shadow);
}

.page-faq .faq-section__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: 2.2em minmax(0, 1fr) 16px;
  align-items: start;
  gap: 12px;
  padding: 15px 10px 15px 12px;
  list-style: none;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-faq .qa__summary::marker {
  content: "";
}

.page-faq .qa__summary:hover {
  background: var(--faq-teal-wash);
}

.page-faq .qa[open] > .qa__summary {
  border-left-color: var(--teal);
  background: var(--faq-teal-wash);
}

.page-faq .qa__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange-deep);
  padding-top: 3px;
}

.page-faq .qa__q {
  font-size: 16px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--ink);
}

.page-faq .qa__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 7px;
  justify-self: end;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
  border-radius: 1px;
  transition: opacity 0.18s var(--ease);
}

.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;
}

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

.page-faq .qa__body {
  margin: 0 0 20px 0;
  padding: 4px 10px 8px 34px;
  border-left: 2px solid var(--teal);
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

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

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

.page-faq .qa__steps {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .qa__steps li {
  counter-increment: faq-step;
  position: relative;
  margin-bottom: 9px;
  padding-left: 30px;
  font-size: 14.5px;
  line-height: 1.76;
}

.page-faq .qa__steps li:last-child {
  margin-bottom: 0;
}

.page-faq .qa__steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.page-faq .qa__check {
  margin: 0 0 12px;
  padding: 9px 13px;
  border-left: 3px solid var(--gold);
  background: var(--faq-gold-wash);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

.page-faq .qa__body a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

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

/* ---------- 人工支持深色区 ---------- */
.page-faq .faq-section--support {
  background: var(--night);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 var(--orange);
  padding: clamp(20px, 3vw, 30px);
}

.page-faq .faq-section--support .faq-section__head {
  border-bottom-color: rgba(244, 237, 226, 0.32);
}

.page-faq .faq-section--support .faq-section__num {
  color: var(--gold);
}

.page-faq .faq-section--support h2 {
  color: var(--paper);
}

.page-faq .faq-section--support .faq-section__note {
  color: rgba(244, 237, 226, 0.74);
}

.page-faq .faq-section--support .faq-section__note a {
  color: var(--teal-soft);
}

.page-faq .faq-section--support .qa {
  border-bottom-color: rgba(244, 237, 226, 0.16);
}

.page-faq .faq-section--support .qa__q {
  color: var(--paper);
}

.page-faq .faq-section--support .qa__idx {
  color: var(--gold);
}

.page-faq .faq-section--support .qa__summary:hover,
.page-faq .faq-section--support .qa[open] > .qa__summary {
  background: rgba(127, 198, 208, 0.12);
}

.page-faq .faq-section--support .qa__body {
  color: rgba(244, 237, 226, 0.78);
  border-left-color: var(--teal-soft);
}

.page-faq .faq-section--support .qa__steps li::before {
  color: var(--teal-soft);
}

.page-faq .faq-section--support .qa__check {
  background: rgba(217, 162, 39, 0.14);
  color: var(--paper);
}

.page-faq .faq-section--support .qa__body a {
  color: var(--teal-soft);
}

.page-faq .faq-contact {
  display: grid;
  gap: 16px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed rgba(244, 237, 226, 0.24);
}

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

.page-faq .faq-contact__key {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--teal-soft);
}

.page-faq .faq-contact__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 14px 16px;
  border: 1px solid rgba(217, 162, 39, 0.5);
  border-radius: var(--radius);
  background: rgba(217, 162, 39, 0.08);
}

.page-faq .faq-version p {
  margin: 0;
  flex: 1 1 220px;
  font-size: 14px;
  line-height: 1.66;
  color: rgba(244, 237, 226, 0.82);
}

.page-faq .faq-version .version-chip {
  flex: none;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  background: transparent;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  color: var(--gold);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-version .version-chip:hover {
  background: rgba(217, 162, 39, 0.18);
}

.page-faq .faq-version .version-chip__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(244, 237, 226, 0.7);
}

.page-faq .faq-version .version-chip__num {
  color: var(--gold);
  font-weight: 600;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 292px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-faq .faq-index__sticky {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-section__figure {
    max-width: 640px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero h1 {
    transform: none;
  }

  .page-faq .qa__summary,
  .page-faq .faq-cat a,
  .page-faq .faq-tags a,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .faq-version .version-chip {
    transition: none;
  }
}
<<<END>>>