.page-faq {
  --faq-radius: 2px;
  --faq-shell-gap: 24px;
  background: var(--ink);
  color: var(--text);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 46px) 0 46px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(520px 300px at 8% 0%, rgba(37, 224, 208, 0.18), transparent 70%),
    radial-gradient(460px 280px at 92% 12%, rgba(255, 77, 157, 0.16), transparent 72%),
    radial-gradient(360px 220px at 60% 100%, rgba(255, 180, 84, 0.1), transparent 74%),
    repeating-linear-gradient(100deg, rgba(37, 224, 208, 0.06) 0 1px, transparent 1px 28px);
}

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

.page-faq .faq-hero .eyebrow {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 7.6vw, 5.2rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 16px 0 0;
  max-width: 15ch;
}

.page-faq .faq-hero .lede {
  margin: 20px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

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

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-shell-gap);
  padding-top: 32px;
  padding-bottom: 64px;
}

.page-faq .faq-index {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(180deg, rgba(23, 50, 74, 0.9), rgba(14, 32, 51, 0.92));
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--faint);
  text-transform: uppercase;
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index-list li {
  flex: 0 0 auto;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-index-list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-index-list a:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(37, 224, 208, 0.08);
}

.page-faq .faq-index-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  color: var(--text);
}

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

.page-faq .faq-chapter {
  min-width: 0;
  margin-bottom: 22px;
  padding: 22px 18px 10px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--panel);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-chapter::before {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  margin-bottom: 16px;
  background: linear-gradient(90deg, var(--cyan), rgba(37, 224, 208, 0));
}

.page-faq .faq-chapter:nth-of-type(3n + 2)::before {
  background: linear-gradient(90deg, var(--magenta), rgba(255, 77, 157, 0));
}

.page-faq .faq-chapter:nth-of-type(3n)::before {
  background: linear-gradient(90deg, var(--amber), rgba(255, 180, 84, 0));
}

.page-faq .chapter-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 10px;
}

.page-faq .chapter-num {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.6vw, 2.5rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: rgba(37, 224, 208, 0.42);
}

.page-faq .faq-chapter:nth-of-type(3n + 2) .chapter-num {
  color: rgba(255, 77, 157, 0.42);
}

.page-faq .faq-chapter:nth-of-type(3n) .chapter-num {
  color: rgba(255, 180, 84, 0.42);
}

.page-faq .chapter-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  line-height: 1.22;
  letter-spacing: 0.01em;
}

.page-faq .chapter-sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .qa-list > .qa + .qa {
  border-top: 1px solid var(--line);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  transition: color 0.16s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .qa[open] summary::after {
  content: "–";
}

.page-faq .qa summary:hover {
  color: var(--cyan);
}

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

.page-faq .qa-body {
  padding: 0 0 20px;
}

.page-faq .qa-body p {
  margin: 0 0 12px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa-body .qa-short {
  margin-bottom: 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  color: var(--text);
}

.page-faq .qa-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

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

.page-faq .qa-body a:hover {
  color: var(--text);
}

.page-faq .qa-body a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa-steps {
  list-style: none;
  counter-reset: faq-step;
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .qa-steps li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

.page-faq .qa-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--amber);
}

.page-faq .faq-figure {
  margin: 0 0 22px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--layer);
  position: relative;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 1px;
}

.page-faq .faq-figure--tall {
  margin: 22px 0 4px;
  max-width: 520px;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--faint);
}

@media (min-width: 700px) {
  .page-faq .faq-chapter {
    padding: 30px 30px 14px;
  }

  .page-faq .chapter-head {
    gap: 20px;
    padding-bottom: 12px;
  }

  .page-faq .qa summary {
    font-size: 1.05rem;
    padding: 18px 0;
  }

  .page-faq .qa-body p {
    font-size: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 64px) 0 64px;
  }

  .page-faq .faq-shell {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 44px;
    padding-top: 44px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    padding: 18px 16px;
  }

  .page-faq .faq-index-list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-index-list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-index-list a {
    white-space: normal;
    padding: 8px 10px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 14px;
    line-height: 1.5;
  }

  .page-faq .faq-index-list a:hover {
    border-left-color: var(--cyan);
    background: rgba(37, 224, 208, 0.07);
  }

  .page-faq .faq-figure {
    margin-bottom: 32px;
    padding: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa summary,
  .page-faq .faq-index-list a {
    transition: none;
  }
}
<<<END>>>