.page-faq {
  --faq-rail: 236px;
  --faq-gap: clamp(24px, 4vw, 56px);
  --faq-soft: rgba(30, 43, 69, 0.62);
  color: var(--text);
  padding-bottom: clamp(56px, 9vw, 112px);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 18px;
  text-transform: uppercase;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(8px, 2vw, 20px) 0 clamp(32px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -42%;
  width: min(520px, 78vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(34, 224, 255, 0.16), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero__title {
  position: relative;
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(52px, 13vw, 118px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  background: linear-gradient(100deg, #E8EEF7 24%, #22E0FF 88%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero__lead {
  position: relative;
  max-width: 40ch;
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__chips li {
  padding-left: 12px;
  border-left: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.page-faq .faq-hero__chips .mono {
  display: inline-block;
  margin-right: 6px;
  font-size: 17px;
  color: var(--cyan);
}

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

/* ---------- layout ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(26px, 4vw, 48px);
}

.page-faq .faq-rail__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-rail__nav {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

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

.page-faq .faq-rail__link {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-rail__link .mono {
  font-size: 11px;
  color: var(--line);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link[aria-current] {
  color: var(--text);
}

.page-faq .faq-rail__link[aria-current] {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-rail__link[aria-current] .mono {
  color: var(--cyan);
}

.page-faq .faq-rail__note {
  display: none;
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--violet);
  background: var(--panel);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ---------- sections ---------- */
.page-faq .faq-sec {
  scroll-margin-top: 104px;
  padding-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(28px, 4vw, 52px);
  border-top: 1px solid var(--faq-soft);
}

.page-faq .faq-sec__no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-faq .faq-sec__head h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-faq .faq-sec__intro {
  max-width: 46ch;
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- figures ---------- */
.page-faq .figure {
  margin: clamp(22px, 3vw, 32px) 0;
}

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

.page-faq .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-split__figure {
  margin-top: 22px;
}

/* ---------- qa ---------- */
.page-faq .qa {
  border-top: 1px solid var(--faq-soft);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

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

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

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 7px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 0.24s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa__mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
}

.page-faq .qa__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--cyan);
}

.page-faq .qa[open] .qa__mark::after {
  transform: rotate(90deg) scaleY(0);
  background: var(--cyan);
}

.page-faq .qa__body {
  padding: 0 0 24px 28px;
  max-width: 62ch;
}

.page-faq .qa__row {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .qa__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
  vertical-align: 1px;
}

.page-faq .qa__tag--violet {
  color: var(--violet);
}

.page-faq .qa__steps {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: qa;
}

.page-faq .qa__steps li {
  position: relative;
  display: flex;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  border-bottom: 1px dashed var(--faq-soft);
}

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

.page-faq .qa__num {
  flex: 0 0 auto;
  font-size: 12px;
  line-height: 2.1;
  color: var(--cyan);
}

.page-faq .qa__steps a,
.page-faq .qa__row a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, 0.35);
}

.page-faq .qa__steps a:hover,
.page-faq .qa__row a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- escalate ---------- */
.page-faq .faq-escalate {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: 22px;
  padding: clamp(20px, 3.4vw, 36px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-escalate__list h3 {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

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

.page-faq .faq-escalate__list li {
  display: flex;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-escalate__list .mono {
  font-size: 11px;
  line-height: 2.1;
  color: var(--mint);
}

.page-faq .faq-escalate__note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-escalate__mail {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-escalate__mail .mono {
  color: var(--text);
  word-break: break-all;
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .qa__q {
    font-size: 18px;
    padding: 20px 0;
  }

  .page-faq .faq-escalate {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__annot {
    display: block;
    position: absolute;
    right: 0;
    bottom: 34px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.34em;
    color: var(--line);
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

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

  .page-faq .faq-rail__link {
    padding: 11px 0 11px 16px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    font-size: 14px;
  }

  .page-faq .faq-rail__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 9px;
    bottom: 9px;
    width: 2px;
    background: transparent;
    transition: background 0.2s var(--ease);
  }

  .page-faq .faq-rail__link:hover::before {
    background: var(--line);
  }

  .page-faq .faq-rail__link[aria-current] {
    border-bottom-color: transparent;
    color: var(--text);
  }

  .page-faq .faq-rail__link[aria-current]::before {
    background: var(--cyan);
  }

  .page-faq .faq-rail__note {
    display: block;
  }

  .page-faq .faq-split {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-faq .faq-split__figure {
    position: sticky;
    top: 104px;
    margin-top: 0;
  }

  .page-faq .figure--wide {
    margin-bottom: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .qa__q,
  .page-faq .faq-rail__link,
  .page-faq .faq-rail__link::before {
    transition: none;
  }
}
<<<END>>>