.page-faq {
  --faq-gutter: 24px;
  --faq-hair: rgba(27, 58, 82, 0.7);
  --faq-glow: 0 0 0 1px rgba(47, 224, 232, 0.28), 0 12px 32px -22px rgba(0, 0, 0, 0.9);
}

/* ---------- Breadcrumbs spacing ---------- */
.page-faq > .wrap:first-child {
  padding-top: 20px;
  padding-bottom: 4px;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 36px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -160px;
  width: 520px;
  height: 520px;
  background: linear-gradient(135deg, rgba(47, 224, 232, 0.22) 0%, rgba(18, 60, 99, 0.35) 45%, rgba(5, 15, 27, 0) 78%);
  clip-path: polygon(100% 0, 40% 0, 100% 70%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(47, 224, 232, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 80%);
  pointer-events: none;
  opacity: 0.6;
}

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

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 14px 0 18px;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 26px;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0 8px 14px;
  border-left: 1px solid var(--faq-hair);
}

.page-faq .faq-hero__stat:first-child {
  border-left-color: var(--cyan);
}

.page-faq .faq-hero__num {
  font-size: 22px;
  font-weight: 600;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__cap {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ---------- Term rail ---------- */
.page-faq .faq-terms {
  padding: 26px 0 30px;
}

.page-faq .faq-terms__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-faq .faq-terms__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text);
  font-weight: 600;
  position: relative;
  padding-left: 16px;
}

.page-faq .faq-terms__label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 2px;
  background: var(--cyan);
  transform: translateY(-50%);
}

.page-faq .faq-terms__hint {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-faq .faq-terms__rail {
  display: flex;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 4px 0 12px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  border-bottom: 1px dashed var(--faq-hair);
}

.page-faq .faq-terms__rail::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-terms__item {
  flex: 0 0 auto;
  min-width: 200px;
  max-width: 232px;
  padding: 14px 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: var(--ink-2);
  scroll-snap-align: start;
  transition: border-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-faq .faq-terms__item:hover {
  border-color: rgba(47, 224, 232, 0.5);
  transform: translateY(-2px);
}

.page-faq .faq-terms__word {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}

.page-faq .faq-terms__def {
  display: block;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- Workspace layout ---------- */
.page-faq .faq-workspace {
  padding: 0 0 72px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.page-faq .faq-search {
  position: relative;
  margin-bottom: 14px;
}

.page-faq .faq-search__input {
  width: 100%;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-pill);
  background: var(--ink-2);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(143, 168, 188, 0.7);
}

.page-faq .faq-search__input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 224, 232, 0.15);
}

.page-faq .faq-nav__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.page-faq .faq-nav__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  border-color: var(--cyan);
}

.page-faq .faq-nav__count {
  font-size: 11px;
  color: var(--lime);
  letter-spacing: 0.04em;
}

/* ---------- Question stream ---------- */
.page-faq .faq-stream {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.page-faq .faq-section {
  scroll-margin-top: 100px;
}

.page-faq .faq-section__head {
  margin-bottom: 20px;
}

.page-faq .faq-section__idx {
  display: inline-block;
  font-size: 12px;
  color: var(--lime);
  letter-spacing: 0.18em;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--lime);
  margin-bottom: 12px;
}

.page-faq .faq-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.008em;
  color: var(--text);
  margin: 0 0 8px;
}

.page-faq .faq-section__note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 60ch;
  margin: 0;
}

.page-faq .faq-section__head--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

.page-faq .faq-figure {
  margin: 0 0 20px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--faq-hair);
}

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

.page-faq .faq-figure .media__img,
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--panel);
}

.page-faq .faq-figure .media__caption {
  padding: 10px 14px;
  font-size: 11px;
  color: var(--muted);
  background: var(--ink-2);
  border-top: 1px solid var(--faq-hair);
  line-height: 1.6;
}

/* ---------- FAQ items ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--faq-hair);
  transition: padding-left 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  padding-left: 18px;
}

.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: var(--lime);
  border-radius: 2px;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 6px 20px 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.15s var(--ease);
}

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

.page-faq .faq-item__q:hover .faq-item__text {
  color: var(--cyan);
}

.page-faq .faq-item__idx {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  min-width: 26px;
  padding-top: 4px;
}

.page-faq .faq-item__text {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.55;
  letter-spacing: 0.005em;
}

.page-faq .faq-item__chev {
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(-135deg);
}

.page-faq .faq-item__a {
  padding: 0 6px 24px 40px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-item__a p {
  margin: 0 0 14px;
  max-width: 62ch;
}

.page-faq .faq-item__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-faq .faq-item__links a {
  font-size: 12px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(47, 224, 232, 0.45);
  padding-bottom: 2px;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

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

/* ---------- Focus visible ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ---------- Media queries ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 56px 0 46px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-section__head--split {
    grid-template-columns: 1fr minmax(240px, 320px);
    gap: 24px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-nav__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-nav__link {
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 10px 12px;
    justify-content: space-between;
    width: 100%;
  }

  .page-faq .faq-nav__link:hover,
  .page-faq .faq-nav__link:focus-visible {
    border-left-color: var(--cyan);
    background: var(--panel);
  }

  .page-faq .faq-terms__item {
    min-width: 216px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq .faq-item__text {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__chev,
  .page-faq .faq-terms__item,
  .page-faq .faq-nav__link,
  .page-faq .faq-search__input {
    transition: none;
  }

  .page-faq .faq-terms__item:hover {
    transform: none;
  }
}
<<<END>>>

Wait, I used `<<<END>>>` which is wrong. Let me fix that. The instruction says markers must be three angle brackets each, and appear once each. I only need `` and ``. Let me correct.