.page-faq {
  --faq-line: rgba(28, 90, 71, 0.58);
  --faq-soft-text: rgba(233, 245, 236, 0.78);
  --faq-pad: clamp(1.6rem, 5vw, 3.2rem);
  color: var(--text);
  padding-bottom: clamp(2.4rem, 7vw, 4.5rem);
}

.page-faq .breadcrumbs {
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

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

.page-faq .shell {
  width: 100%;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 5vw, 3.2rem) 0 clamp(1.8rem, 5vw, 3.2rem);
  background:
    radial-gradient(118% 88% at 92% 2%, rgba(125, 240, 193, 0.17), transparent 62%),
    radial-gradient(90% 70% at 2% 98%, rgba(200, 255, 61, 0.1), transparent 64%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -34%;
  width: 78%;
  height: 62%;
  background: linear-gradient(116deg, rgba(28, 90, 71, 0.42), transparent 72%);
  transform: skewY(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.8rem);
}

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

.page-faq .faq-hero h1 {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.15rem, 8.6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.page-faq .faq-hero__hl {
  color: var(--lime);
  text-shadow: 0 0 26px rgba(200, 255, 61, 0.35);
}

.page-faq .faq-hero__lede {
  margin: 1rem 0 0;
  max-width: 42ch;
  font-size: clamp(0.94rem, 2.4vw, 1.05rem);
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1.1rem;
  margin-top: clamp(1.3rem, 4vw, 2rem);
}

.page-faq .faq-stat {
  display: grid;
  gap: 0.2rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 3.4vw, 1.5rem);
  font-weight: 500;
  color: var(--lime);
  letter-spacing: -0.01em;
}

.page-faq .faq-stat__label {
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  color: var(--muted);
}

.page-faq .faq-hero__media {
  margin: 0;
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--glass);
  box-shadow: 0 34px 70px -48px rgba(0, 0, 0, 0.95);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(6, 26, 20, 0) 42%, rgba(6, 26, 20, 0.72));
  pointer-events: none;
}

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

/* ---------- Problem board ---------- */
.page-faq .faq-board {
  padding: var(--faq-pad) 0;
}

.page-faq .faq-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: clamp(1.3rem, 4vw, 2rem);
}

.page-faq .faq-tile {
  position: relative;
  display: grid;
  gap: 0.45rem;
  padding: 1.2rem 1.15rem 1.15rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background:
    linear-gradient(158deg, rgba(18, 59, 47, 0.95), rgba(11, 42, 33, 0.92));
  color: var(--text);
  text-decoration: none;
  overflow: hidden;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease),
    background-color 0.22s var(--ease);
}

.page-faq .faq-tile::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--lime);
  transform: scaleY(0.32);
  transform-origin: top;
  transition: transform 0.28s var(--ease);
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  border-color: rgba(200, 255, 61, 0.55);
  transform: translateY(-3px);
}

.page-faq .faq-tile:hover::before,
.page-faq .faq-tile:focus-visible::before {
  transform: scaleY(1);
}

.page-faq .faq-tile__num {
  position: absolute;
  top: 0.55rem;
  right: 0.9rem;
  font-family: var(--font-index);
  font-weight: 300;
  font-size: clamp(1.9rem, 6vw, 2.9rem);
  line-height: 1;
  color: rgba(233, 245, 236, 0.13);
  pointer-events: none;
}

.page-faq .faq-tile__name {
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 3.2vw, 1.18rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-tile__hint {
  max-width: 34ch;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-tile__count {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  color: var(--lime);
}

.page-faq .faq-tile--gold {
  border-color: rgba(240, 193, 92, 0.42);
  background:
    radial-gradient(130% 150% at 100% 0%, rgba(240, 193, 92, 0.18), transparent 62%),
    linear-gradient(158deg, rgba(18, 59, 47, 0.95), rgba(11, 42, 33, 0.94));
}

.page-faq .faq-tile--gold::before {
  background: var(--gold);
}

.page-faq .faq-tile--gold:hover,
.page-faq .faq-tile--gold:focus-visible {
  border-color: rgba(240, 193, 92, 0.85);
}

.page-faq .faq-tile--gold .faq-tile__count {
  color: var(--gold);
}

/* ---------- Versions ---------- */
.page-faq .faq-versions {
  padding: var(--faq-pad) 0;
  border-top: 1px solid rgba(28, 90, 71, 0.35);
}

.page-faq .faq-versions__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.3rem, 4vw, 2.2rem);
  margin-top: clamp(1.3rem, 4vw, 2rem);
}

.page-faq .faq-timeline {
  position: relative;
  padding-left: 1.15rem;
  min-width: 0;
}

.page-faq .faq-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--lime), rgba(200, 255, 61, 0.22) 58%, transparent);
}

.page-faq .faq-timeline .accordion-item {
  border-bottom: 1px solid rgba(28, 90, 71, 0.42);
}

.page-faq .faq-timeline .accordion-item::after {
  content: "";
  position: absolute;
  left: -1.15rem;
  top: 1.5rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  border: 1.5px solid var(--lime);
  transform: translateX(-2px);
}

.page-faq .faq-timeline .accordion-trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.7rem;
  width: 100%;
  padding: 0.95rem 0.2rem;
  background: none;
  border: 0;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-vnum {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  color: var(--lime);
}

.page-faq .faq-vstage {
  flex: 1 1 8rem;
  font-size: 0.89rem;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .faq-vflag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid rgba(240, 193, 92, 0.45);
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
  white-space: nowrap;
}

.page-faq .faq-diff {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.6rem;
  margin: 0.1rem 0 0.85rem;
}

.page-faq .faq-diff__col {
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--faq-line);
  border-radius: 10px;
  background: rgba(6, 26, 20, 0.55);
}

.page-faq .faq-diff__col--old {
  opacity: 0.82;
}

.page-faq .faq-diff__col--new {
  border-color: rgba(200, 255, 61, 0.42);
  background: rgba(200, 255, 61, 0.06);
}

.page-faq .faq-diff__label {
  margin: 0 0 0.34rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  color: var(--muted);
}

.page-faq .faq-diff__col--new .faq-diff__label {
  color: var(--lime);
}

.page-faq .faq-diff__col p:last-child {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--faq-soft-text);
}

.page-faq .faq-diff__meta {
  display: grid;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-diff__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.55rem;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--faq-soft-text);
}

.page-faq .faq-versions__media {
  margin: 0;
  border: 1px solid var(--faq-line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--glass);
}

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

/* ---------- Q&A groups ---------- */
.page-faq .faq-group {
  padding: clamp(1.7rem, 5vw, 2.9rem) 0;
  border-top: 1px solid rgba(28, 90, 71, 0.35);
}

.page-faq .faq-group__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
}

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

.page-faq .faq-group__head .index-num {
  display: block;
  font-family: var(--font-index);
  font-weight: 300;
  font-size: clamp(2.5rem, 9vw, 4.2rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: rgba(200, 255, 61, 0.22);
}

.page-faq .faq-group h2 {
  margin: 0.5rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 4.4vw, 1.85rem);
  letter-spacing: -0.02em;
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 30ch;
  font-size: 0.86rem;
  line-height: 1.68;
  color: var(--muted);
}

.page-faq .accordion {
  border-top: 1px solid var(--faq-line);
  min-width: 0;
}

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

.page-faq .faq-group .accordion-trigger {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  width: 100%;
  padding: 0.95rem 0.15rem;
  background: none;
  border: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(0.93rem, 2.4vw, 1rem);
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-group .accordion-trigger:hover,
.page-faq .faq-group .accordion-trigger:focus-visible {
  color: var(--lime);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  font-weight: 600;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  margin-top: 0.16rem;
  border: 1px solid var(--edge);
  border-radius: 50%;
  transition: border-color 0.2s var(--ease);
}

.page-faq .accordion-trigger[aria-expanded="true"] .faq-q__mark {
  border-color: var(--lime);
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--lime);
  transform: translate(-50%, -50%);
}

.page-faq .faq-q__mark::before {
  width: 8px;
  height: 1.5px;
}

.page-faq .faq-q__mark::after {
  width: 1.5px;
  height: 8px;
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-faq .accordion-trigger[aria-expanded="true"] .faq-q__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .accordion-panel {
  padding: 0 0.15rem 1.05rem;
}

.page-faq .accordion-panel p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.9rem;
  line-height: 1.74;
  color: var(--faq-soft-text);
}

/* ---------- Help ---------- */
.page-faq .faq-help {
  padding: clamp(1.8rem, 5vw, 3rem) 0 0;
}

.page-faq .faq-help__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.2rem, 4vw, 2rem);
  padding: clamp(1.25rem, 4vw, 2.2rem);
  border: 1px solid rgba(240, 193, 92, 0.32);
  border-radius: 18px;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(240, 193, 92, 0.15), transparent 62%),
    linear-gradient(150deg, rgba(11, 42, 33, 0.96), rgba(6, 26, 20, 0.92));
}

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

.page-faq .faq-help h2 {
  margin: 0.4rem 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 4.2vw, 1.75rem);
  letter-spacing: -0.02em;
}

.page-faq .faq-help__body > p {
  margin: 0 0 1.1rem;
  max-width: 46ch;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--faq-soft-text);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin: 1.1rem 0 0 !important;
  font-size: 0.82rem;
}

.page-faq .faq-help__links a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(156, 184, 170, 0.35);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-help__links a:hover,
.page-faq .faq-help__links a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: clamp(0.9rem, 3vw, 1.2rem);
  border: 1px solid rgba(240, 193, 92, 0.22);
  border-radius: 12px;
  background: rgba(6, 26, 20, 0.55);
}

.page-faq .faq-help__list > div {
  display: grid;
  gap: 0.16rem;
}

.page-faq .faq-help__k {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-help__v {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text);
  word-break: break-word;
}

/* ---------- Responsive ---------- */
@media (min-width: 560px) {
  .page-faq .faq-diff {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-board__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-faq .faq-tile:nth-child(1) {
    grid-column: span 4;
  }

  .page-faq .faq-tile:nth-child(2) {
    grid-column: span 2;
  }

  .page-faq .faq-tile:nth-child(3) {
    grid-column: span 2;
  }

  .page-faq .faq-tile:nth-child(4) {
    grid-column: span 2;
  }

  .page-faq .faq-tile:nth-child(5) {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
  }

  .page-faq .faq-hero__media {
    transform: translateY(-0.5rem);
  }

  .page-faq .faq-group__inner {
    grid-template-columns: minmax(0, 258px) minmax(0, 1fr);
    gap: clamp(1.4rem, 3vw, 2.6rem);
  }

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

@media (min-width: 980px) {
  .page-faq .faq-versions__layout {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    align-items: start;
  }

  .page-faq .faq-help__card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tile,
  .page-faq .faq-tile::before,
  .page-faq .faq-q__mark::after {
    transition: none;
  }

  .page-faq .faq-tile:hover,
  .page-faq .faq-tile:focus-visible {
    transform: none;
  }
}
<<<END>>>