.page-faq {
  --faq-line-ink: rgba(10, 11, 18, 0.18);
  --faq-ink-soft: rgba(10, 11, 18, 0.78);
  --paper-3: #D6CCB8;
  --faq-glow: rgba(108, 77, 246, 0.18);
  display: block;
  overflow-x: hidden;
}

/* ---------- HERO ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 34px 0 34px;
  border-bottom: var(--bw) solid var(--line);
  background:
    radial-gradient(120% 92% at 86% 0%, var(--faq-glow) 0%, transparent 60%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  top: 44px;
  width: 190px;
  height: 190px;
  background: linear-gradient(135deg, var(--violet), var(--magenta));
  transform: rotate(12deg);
  opacity: 0.16;
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 22px;
}

.page-faq .breadcrumb__link {
  color: var(--txt-dim);
  transition: color 0.16s var(--ease);
}

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

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

.page-faq .breadcrumb__sep {
  color: var(--line);
}

.page-faq .faq-hero .eyebrow {
  position: relative;
  z-index: 1;
  color: var(--violet-soft);
}

.page-faq .faq-hero h1 {
  position: relative;
  z-index: 1;
  margin: 12px 0 18px;
  max-width: 18ch;
  font-size: clamp(29px, 7.2vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--txt);
}

.page-faq .faq-hero .lede {
  position: relative;
  z-index: 1;
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-faq .faq-hero__stats {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-stat__num {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-faq .faq-stat__txt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--txt-dim);
}

/* ---------- CATEGORY INDEX ---------- */
.page-faq .faq-cats {
  padding: 34px 0 42px;
}

.page-faq .faq-cats__intro {
  max-width: 58ch;
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-faq .faq-cats__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-cat {
  display: block;
  padding: 16px 16px 18px;
  border: var(--bw) solid var(--line);
  border-left-width: 5px;
  background: var(--ink-2);
  color: var(--txt);
  text-decoration: none;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-cat:hover {
  transform: translateY(-2px);
  box-shadow: 6px 8px 0 0 var(--violet);
}

.page-faq .faq-cat__code {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--violet-soft);
}

.page-faq .faq-cat__title {
  display: block;
  margin: 9px 0 6px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-cat__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--txt-dim);
}

.page-faq .faq-cat--a {
  border-left-color: var(--cyan);
}

.page-faq .faq-cat--b {
  border-left-color: var(--magenta);
}

.page-faq .faq-cat--c {
  border-left-color: var(--violet);
}

.page-faq .faq-cat--d {
  border-left-color: var(--yellow);
}

/* ---------- PAPER DOC ---------- */
.page-faq .faq-doc {
  padding: 40px 0 54px;
  background: var(--paper);
  color: var(--ink);
  border-top: var(--bw) solid var(--ink);
  border-bottom: var(--bw) solid var(--ink);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc__list a {
  display: block;
  padding: 7px 11px;
  border: 1px solid rgba(10, 11, 18, 0.28);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-toc__list a:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

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

.page-faq .faq-block {
  margin-top: 46px;
  scroll-margin-top: 24px;
}

.page-faq .faq-block:first-child {
  margin-top: 0;
}

.page-faq .faq-block__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-faq .faq-block h2 {
  margin: 9px 0 12px;
  font-size: clamp(21px, 4.8vw, 30px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.022em;
  color: var(--ink);
}

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

.page-faq .faq-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 30px 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ink);
  scroll-margin-top: 24px;
}

.page-faq .faq-group__code {
  flex: 0 0 auto;
  padding: 3px 8px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* ---------- FOLD ITEMS ---------- */
.page-faq .faq-item {
  margin-top: 8px;
  border: var(--bw) solid var(--ink);
  border-left-width: 5px;
  background: var(--paper);
  scroll-margin-top: 24px;
  transition: border-left-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--violet);
  box-shadow: 5px 6px 0 0 var(--ink);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 14px;
  background: var(--paper-2);
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.004em;
  color: var(--ink);
  transition: background 0.16s var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  background: var(--paper-3);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--violet);
}

.page-faq .faq-item__chev {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 6px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(45deg);
  border-color: var(--violet);
}

.page-faq .faq-item__label {
  flex: 1 1 auto;
}

.page-faq .faq-item__body {
  padding: 13px 16px 17px;
  border-top: 1px solid var(--faq-line-ink);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
  word-break: break-word;
}

/* ---------- FIGURE IN PAPER ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border: var(--bw) solid var(--ink);
  background: var(--ink-2);
}

.page-faq .faq-figure .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .figure__cap {
  padding: 10px 14px;
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: rgba(10, 11, 18, 0.72);
}

/* ---------- REGION BAR ---------- */
.page-faq .faq-regionbar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 8px 14px;
  border: var(--bw) solid var(--ink);
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-faq .faq-regionbar strong {
  color: var(--violet);
  font-size: 13px;
}

/* ---------- CHECK LIST ---------- */
.page-faq .faq-checks {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-checks li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--violet);
}

/* ---------- VERSION BLOCK ---------- */
.page-faq .faq-version {
  padding: 46px 0 48px;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-faq .faq-version .eyebrow {
  color: var(--violet-soft);
}

.page-faq .faq-version h2 {
  margin: 12px 0 14px;
  font-size: clamp(22px, 5vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.022em;
  color: var(--txt);
}

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

.page-faq .faq-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-step {
  border-top: var(--bw) solid var(--line);
}

.page-faq .faq-step:last-child {
  border-bottom: var(--bw) solid var(--line);
}

.page-faq .faq-step__label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 4px;
  cursor: pointer;
  transition: background 0.16s var(--ease);
}

.page-faq .faq-step__label:hover {
  background: rgba(108, 77, 246, 0.14);
}

.page-faq .faq-step__check {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: var(--bw) solid var(--line);
  background: var(--ink-2);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-step__check:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-step__check:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg);
}

.page-faq .faq-step__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-step__txt {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.72;
  color: var(--txt);
  transition: color 0.16s var(--ease);
}

.page-faq .faq-step__check:checked ~ .faq-step__txt {
  color: var(--txt-dim);
  text-decoration: line-through;
}

.page-faq .faq-version__note {
  max-width: 64ch;
  margin: 26px 0 0;
  padding-left: 16px;
  border-left: 4px solid var(--violet);
  font-size: 14px;
  line-height: 1.8;
  color: var(--txt-dim);
}

/* ---------- CONTACT ---------- */
.page-faq .faq-contact {
  padding: 44px 0 66px;
  background: var(--ink);
}

.page-faq .faq-contact .eyebrow {
  color: var(--magenta);
}

.page-faq .faq-contact h2 {
  margin: 12px 0 14px;
  font-size: clamp(22px, 5vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.022em;
  color: var(--txt);
}

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

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-channel {
  padding: 18px 18px 20px;
  border: var(--bw) solid var(--line);
  border-top-width: 6px;
  background: var(--ink-2);
}

.page-faq .faq-channel--mail {
  border-top-color: var(--cyan);
}

.page-faq .faq-channel--phone {
  border-top-color: var(--magenta);
}

.page-faq .faq-channel--addr {
  border-top-color: var(--violet);
}

.page-faq .faq-channel--scope {
  border-top-color: var(--yellow);
}

.page-faq .faq-channel__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--txt-dim);
}

.page-faq .faq-channel__value {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--txt);
  word-break: break-word;
}

.page-faq .faq-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--txt-dim);
}

.page-faq .faq-channel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
}

.page-faq .copy-btn {
  margin-top: 14px;
  padding: 8px 13px;
  border: var(--bw) solid var(--violet);
  background: transparent;
  color: var(--violet-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.16s var(--ease), color 0.16s var(--ease);
}

.page-faq .copy-btn:hover {
  background: var(--violet);
  color: var(--paper);
}

/* ---------- RESPONSIVE ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 46px 0 42px;
  }

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

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

  .page-faq .faq-item__body {
    padding-left: 42px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-doc {
    padding: 54px 0 72px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 28px;
  }

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

  .page-faq .faq-toc__list a {
    padding: 9px 0 9px 13px;
    border: 0;
    border-left: 2px solid rgba(10, 11, 18, 0.2);
    white-space: normal;
    font-size: 12px;
  }

  .page-faq .faq-toc__list a:hover {
    background: transparent;
    border-left-color: var(--violet);
    color: var(--violet);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-cats__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-item,
  .page-faq .faq-item__chev,
  .page-faq .faq-toc__list a,
  .page-faq .faq-step__label,
  .page-faq .copy-btn,
  .page-faq .breadcrumb__link {
    transition: none;
  }

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