.page-faq {
  --faq-body-text: #D5E0E9;
  --faq-paper-text: #24292E;
  padding-bottom: 64px;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .faq-crumb a {
  color: var(--jade-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .faq-crumb span[aria-current="page"] {
  color: var(--paper);
  letter-spacing: 0.12em;
}

.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 20px 0 28px;
}

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

.page-faq .faq-hero h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .faq-lede {
  max-width: 48ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-body-text);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 16px 0 16px 18px;
  border-left: 3px solid var(--clay);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-stat__label {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-faq .faq-herofig {
  margin: 4px 0 32px;
}

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

.page-faq .faq-herofig .figure__caption {
  color: var(--slate);
}

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-faq .faq-index {
  border-top: 2px solid var(--blue);
  padding-top: 12px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

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

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 11px;
  border: 2px solid var(--blue-deep);
  background: rgba(23, 59, 92, 0.55);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--clay);
}

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

.page-faq .faq-filter-head {
  margin-bottom: 14px;
}

.page-faq .faq-filter-head__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 3.4vw, 1.6rem);
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-faq .faq-filter-head__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 26px;
}

.page-faq .filter-btn {
  appearance: none;
  cursor: pointer;
  padding: 9px 14px;
  border: 2px solid var(--slate);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .filter-btn:hover {
  transform: translateY(-2px);
}

.page-faq .filter-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .filter-btn[data-filter-value="login"] { border-color: var(--jade); }
.page-faq .filter-btn[data-filter-value="version"] { border-color: var(--clay); }
.page-faq .filter-btn[data-filter-value="data"] { border-color: var(--jade-light); }
.page-faq .filter-btn[data-filter-value="rights"] { border-color: var(--cyan); }

.page-faq .filter-btn[aria-pressed="true"] {
  box-shadow: var(--hard-shadow-sm);
  color: var(--ink);
  background: var(--paper);
  border-color: var(--paper);
}

.page-faq .filter-btn[aria-pressed="true"][data-filter-value="login"] {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--ink);
}

.page-faq .filter-btn[aria-pressed="true"][data-filter-value="version"] {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--ink);
}

.page-faq .filter-btn[aria-pressed="true"][data-filter-value="data"] {
  background: var(--jade-light);
  border-color: var(--jade-light);
  color: var(--ink);
}

.page-faq .filter-btn[aria-pressed="true"][data-filter-value="rights"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-faq .faq-section {
  margin: 0 0 34px;
  scroll-margin-top: 72px;
}

.page-faq .faq-section > h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: 0.72em;
  color: var(--clay);
  letter-spacing: 0.04em;
}

.page-faq .faq-section__note {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-item {
  margin: 0 0 14px;
  background: var(--paper);
  color: var(--faq-paper-text);
  border: 2px solid var(--ink-deep);
  border-radius: 2px;
  box-shadow: var(--hard-shadow-sm);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--jade);
  box-shadow: var(--hard-shadow-sm), inset 6px 0 0 var(--jade);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 34px 14px 16px;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--black);
}

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

.page-faq .faq-q::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--blue);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "−";
  color: var(--jade);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-faq .faq-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-faq .faq-a {
  padding: 0 18px 16px 40px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-paper-text);
}

.page-faq .faq-a p {
  margin: 0 0 0.7em;
}

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

.page-faq .faq-figure {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 18px 0 30px;
}

.page-faq .faq-figure .figure__caption {
  color: var(--slate);
  font-size: 12px;
  line-height: 1.7;
}

.page-faq .faq-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.page-faq .faq-flow__step {
  padding: 14px 16px;
  background: var(--blue-deep);
  border: 2px solid var(--blue);
  border-left: 5px solid var(--jade);
}

.page-faq .faq-flow__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--jade-light);
}

.page-faq .faq-flow__step h3 {
  margin: 4px 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-faq .faq-flow__step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-body-text);
}

.page-faq .faq-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 34px;
  padding: 26px 22px;
  background: var(--blue);
  border: 3px solid var(--ink-deep);
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-help__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 3.2vw, 1.7rem);
  line-height: 1.15;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-faq .faq-help__text {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-help__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid var(--clay);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .faq-contact {
  padding-left: 16px;
  border-left: 3px solid var(--jade-light);
}

.page-faq .faq-contact__line {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

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

.page-faq .faq-contact__line .mono {
  display: inline-block;
  min-width: 4.6em;
  color: var(--jade-light);
}

.page-faq .faq-top {
  display: inline-block;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--jade-light);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

@media (min-width: 640px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-stats {
    max-width: 460px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
    padding: 26px 0 34px;
  }

  .page-faq .faq-stats {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding-left: 20px;
  }

  .page-faq .faq-stat__num {
    font-size: 1.85rem;
  }

  .page-faq .faq-figure {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 22px;
  }

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

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: 36px;
    padding: 32px 30px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 44px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding-top: 14px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    background: transparent;
    border-width: 0 0 0 3px;
    border-color: var(--blue-deep);
    border-radius: 0;
    padding: 8px 10px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-color: var(--cyan);
    background: rgba(36, 92, 138, 0.28);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .filter-btn,
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-top,
  .page-faq .faq-help__link {
    transition-duration: 1ms;
  }

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