.page-faq {
  background:
    radial-gradient(900px 420px at 82% -6%, rgba(53, 240, 174, 0.13), transparent 64%),
    radial-gradient(620px 320px at 4% 24%, rgba(143, 123, 255, 0.09), transparent 68%),
    linear-gradient(180deg, var(--pitch), var(--night) 58%);
  color: var(--paper);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: clip;
}

.page-faq .faq-crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: clamp(26px, 4.2vw, 52px);
  align-items: start;
}

.page-faq .faq-figure {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-left: 14px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
  border-left: 3px solid var(--neon);
}

.page-faq .faq-figure-num {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 7.5vw, 5.2rem);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--neon);
}

.page-faq .faq-figure-cap {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--mist);
  max-width: 13em;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 5.6vw, 3.7rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero .lede {
  margin-top: 16px;
  max-width: 54ch;
  color: var(--mist);
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-faq .faq-hero-media {
  margin: 0;
  border: var(--edge);
  border-radius: var(--r-lg);
  background: var(--stand);
  box-shadow: var(--drop);
  padding: 10px;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-hero-media .media-cap {
  margin-top: 10px;
  padding-left: 4px;
  font-size: 0.78rem;
  color: var(--mist);
  font-family: var(--font-mono);
}

/* 分类索引条 */
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: clamp(24px, 3.6vw, 44px);
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--stand);
  color: var(--paper);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-chip .num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--neon);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
  transform: translateY(-2px);
  outline: none;
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .faq-side {
  border: var(--edge);
  border-radius: var(--r-md);
  background: rgba(13, 58, 44, 0.72);
  box-shadow: var(--drop-sm);
  padding: 16px;
}

.page-faq .faq-side-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon-soft);
}

.page-faq .faq-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.page-faq .faq-toc a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px dashed var(--line);
  border-radius: var(--r-sm);
  color: var(--paper);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.page-faq .faq-toc a .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mist);
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
  background: rgba(53, 240, 174, 0.07);
  outline: none;
}

.page-faq .faq-side-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 2px solid var(--line);
  display: grid;
  gap: 6px;
}

.page-faq .faq-side-note-label {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-side-link {
  color: var(--mist);
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  justify-self: start;
}

.page-faq .faq-side-link:hover,
.page-faq .faq-side-link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
  outline: none;
}

/* 问答块 */
.page-faq .faq-main {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  min-width: 0;
}

.page-faq .faq-block {
  border: var(--edge);
  border-radius: var(--r-lg);
  background: var(--stand);
  box-shadow: var(--drop);
  padding: clamp(18px, 2.8vw, 32px);
  scroll-margin-top: 96px;
}

.page-faq .faq-block-head {
  margin-bottom: clamp(14px, 2vw, 22px);
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-block-head h2 {
  margin: 8px 0 0;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-faq .faq-block-head p:not(.eyebrow) {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 0.94rem;
  max-width: 62ch;
}

.page-faq .faq-items {
  display: grid;
  min-width: 0;
}

.page-faq .faq-item {
  border-top: 1px dashed var(--line);
}

.page-faq .faq-item:first-child {
  border-top: 0;
}

.page-faq .faq-q {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 0;
  cursor: pointer;
  font-weight: 700;
  font-size: clamp(0.96rem, 1.9vw, 1.06rem);
  line-height: 1.5;
  color: var(--paper);
  list-style: none;
  transition: color 0.16s ease;
}

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

.page-faq .faq-q::before {
  content: "+";
  flex: 0 0 auto;
  width: 22px;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.25;
  color: var(--neon);
  text-align: center;
}

.page-faq .faq-q:hover,
.page-faq .faq-q:focus-visible {
  color: var(--neon-soft);
  outline: none;
}

.page-faq .faq-item[open] .faq-q::before {
  content: "−";
  color: var(--shot);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--neon);
}

.page-faq .faq-a {
  padding: 0 0 18px 34px;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.8;
  max-width: 64ch;
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-a a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 174, 0.5);
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--neon-soft);
  border-bottom-color: var(--neon-soft);
}

/* 版本区图文分栏 */
.page-faq .faq-split {
  display: grid;
  gap: clamp(16px, 2.6vw, 28px);
  align-items: start;
}

.page-faq .faq-version-media {
  margin: 0;
  border: var(--edge);
  border-radius: var(--r-md);
  background: var(--night);
  padding: 10px;
}

.page-faq .faq-version-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-sm);
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

.page-faq .faq-version-media .media-cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--amber);
}

/* 密排短答 */
.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-quick li {
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  background: var(--pitch);
}

.page-faq .faq-quick-k {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--neon-soft);
}

.page-faq .faq-quick-v {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--paper);
}

/* 联系区 */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(18px, 2.8vw, 30px);
  border: 2px solid var(--shot);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(255, 90, 54, 0.14), rgba(4, 20, 15, 0.9) 62%);
  box-shadow: var(--drop);
  padding: clamp(20px, 3vw, 34px);
  scroll-margin-top: 96px;
}

.page-faq .faq-contact-main h2 {
  margin: 8px 0 0;
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  font-weight: 900;
  line-height: 1.2;
}

.page-faq .faq-contact-main p:not(.eyebrow) {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.78;
  max-width: 56ch;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-contact-meta {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(4, 20, 15, 0.6);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-meta-row {
  display: grid;
  gap: 2px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-meta-row:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-contact-meta .meta-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-contact-meta .meta-val {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: 6px 0 0;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--amber);
}

/* 响应式 */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
  }

  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: stretch;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 262px minmax(0, 1fr);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 92px;
  }

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

@media (max-width: 420px) {
  .page-faq .faq-toc {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-chip {
    font-size: 0.82rem;
    padding: 8px 11px;
  }

  .page-faq .faq-a {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-q,
  .page-faq .faq-toc a {
    transition: none;
  }

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