.page-faq {
  --faq-gap: clamp(24px, 4vw, 56px);
  --faq-pad: clamp(24px, 4vw, 64px);
  background: var(--ink-1);
  color: var(--white);
  padding-bottom: clamp(40px, 6vw, 90px);
}

.page-faq .crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-faq .crumbs__link {
  color: var(--muted);
  text-decoration: none;
  transition: color .16s var(--ease);
}

.page-faq .crumbs__link:hover {
  color: var(--lime);
}

.page-faq .crumbs__cur {
  color: var(--white);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  background:
    radial-gradient(88% 130% at 94% 0%, rgba(198, 255, 61, .11), transparent 58%),
    var(--ink-1);
  padding: clamp(22px, 4vw, 52px) 0 clamp(30px, 5vw, 68px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(34px, 6.4vw, 86px);
  line-height: .98;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.8;
}

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

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-hero__stat {
  background: var(--ink-2);
  padding: 16px 18px;
}

.page-faq .faq-hero__stat dt {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-faq .faq-hero__stat dd {
  margin: 8px 0 0;
  font-size: clamp(18px, 2vw, 24px);
  color: var(--lime);
  line-height: 1.1;
}

.page-faq .faq-hero__stat:nth-child(3) dd {
  color: var(--orange);
}

/* ---------- layout ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-bottom: var(--faq-pad);
}

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

.faq-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqtoc;
}

.page-faq .faq-toc__item {
  counter-increment: faqtoc;
}

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--ink-2);
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  transition: color .16s var(--ease), background .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-toc__link::before {
  content: counter(faqtoc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--line);
  transition: color .16s var(--ease);
}

.page-faq .faq-toc__link:hover {
  color: var(--white);
}

.page-faq .faq-toc__link[aria-current="page"] {
  color: var(--lime);
  border-color: var(--lime);
  background: var(--lime-soft);
}

.page-faq .faq-toc__link[aria-current="page"]::before {
  color: var(--lime);
}

.page-faq .faq-toc__note {
  display: none;
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- sections ---------- */
.page-faq .tut-section {
  padding: clamp(28px, 4.4vw, 58px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .tut-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .tut-section h2,
.page-faq .tut-section h3 {
  margin: 0;
}

.page-faq .section__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 46px);
  line-height: 1.05;
  letter-spacing: -.01em;
}

.page-faq .section__note {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- steps ---------- */
.page-faq .steps {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--lime);
}

.page-faq .step__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-faq .step__body p {
  margin: 0 0 12px;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .step__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.page-faq .step__meta .mono {
  color: var(--orange);
  letter-spacing: .04em;
}

/* ---------- figure ---------- */
.page-faq .faq-figure {
  margin: 30px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--ink-2);
}

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

.page-faq .faq-figure .media__caption {
  display: block;
  padding: 12px 16px;
  background: var(--ink-2);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- qa ---------- */
.page-faq .qa-list {
  margin-top: 22px;
}

.page-faq .qa {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa:first-child {
  border-top: 1px solid var(--line);
}

.page-faq .qa__q {
  position: relative;
  display: block;
  padding: 17px 44px 17px 18px;
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
  transition: color .16s var(--ease);
}

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

.page-faq .qa__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  bottom: 13px;
  width: 2px;
  background: var(--line);
  transition: background .18s var(--ease);
}

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--muted);
  transition: color .16s var(--ease);
}

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

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

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--lime);
}

.page-faq .qa__a {
  max-width: 68ch;
  padding: 0 24px 20px 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .qa__a p {
  margin: 0 0 12px;
}

.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a ol,
.page-faq .qa__a ul {
  margin: 0 0 12px;
  padding-left: 20px;
}

.page-faq .qa__a li {
  margin-bottom: 6px;
}

.page-faq .qa__a a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-soft);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- library ---------- */
.page-faq .lib {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .lib__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-faq .lib__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .lib__name {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .lib__count {
  font-size: 13px;
  color: var(--lime);
  letter-spacing: .04em;
}

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

.page-faq .lib__summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 20px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ink-2);
  font-size: 13px;
  color: var(--muted);
}

.page-faq .lib__summary b {
  color: var(--orange);
  font-size: 16px;
  margin: 0 2px;
}

/* ---------- help ---------- */
.page-faq .help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 26px;
}

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

.page-faq .help-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-faq .help-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .help-list__key {
  min-width: 66px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-faq .help-list__val {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  color: var(--white);
  word-break: break-word;
}

.page-faq .help-tips {
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--turf), var(--ink-2) 72%);
}

.page-faq .help-tips__title {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.5;
}

.page-faq .help-tips__list {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--white);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .help-tips__list li {
  margin-bottom: 4px;
}

.page-faq .help-tips__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .help-tips__note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-soft);
}

.page-faq .help-tips__note a:hover {
  border-bottom-color: var(--lime);
}

.page-faq .faq-backtop {
  margin: 34px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq .faq-backtop a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-backtop a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- responsive ---------- */
@media (min-width: 560px) {
  .page-faq .step {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 4px 20px;
  }
}

@media (min-width: 760px) {
  .page-faq .lib__item {
    grid-template-columns: 170px 155px minmax(0, 1fr);
    align-items: center;
    gap: 20px;
  }

  .page-faq .qa__a {
    padding: 0 44px 22px 18px;
  }
}

@media (min-width: 860px) {
  .page-faq .help-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 44px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

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

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-toc__list {
    display: block;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-toc__link {
    width: 100%;
    padding: 10px 0 10px 14px;
    margin-left: -1px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 14px;
  }

  .page-faq .faq-toc__link[aria-current="page"] {
    background: transparent;
    border-left-color: var(--lime);
  }

  .page-faq .faq-toc__note {
    display: block;
  }
}
<<<END>>>