.page-faq {
  --faq-card: var(--ink-700);
  --faq-card-open: var(--ink-800);
}

.page-faq .faq-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0 36px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-intro__lead {
  margin: 0;
  max-width: 42rem;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
  gap: 14px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-faq .stat__num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  font-weight: 700;
  color: var(--amber);
}

.page-faq .stat__key {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-faq .faq-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

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

.page-faq .faq-media figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-board {
  padding-top: 20px;
}

.page-faq .faq-filters {
  position: sticky;
  top: var(--header-h, 56px);
  z-index: 6;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0 14px;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-faq .faq-filters .filter-btn {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-faq .faq-filters .filter-btn:hover {
  color: var(--paper);
  border-color: var(--muted);
}

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

.page-faq .faq-filters .filter-btn[aria-pressed="true"],
.page-faq .faq-filters .filter-btn.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
  padding: 22px 0 8px;
}

.page-faq .q {
  background: var(--faq-card);
  border: 1px solid var(--line);
}

.page-faq .q > summary {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 20px;
  align-items: start;
  gap: 10px;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .q > summary:hover {
  background: var(--faq-card-open);
}

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

.page-faq .q[open] {
  background: var(--faq-card-open);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .q-no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .q[open] .q-no {
  color: var(--cyan);
}

.page-faq .q-text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .q-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.page-faq .q-mark::before {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-2px) rotate(45deg);
  transition: transform 200ms ease, border-color 200ms ease;
}

.page-faq .q[open] .q-mark::before {
  transform: translateY(2px) rotate(-135deg);
  border-color: var(--cyan);
}

.page-faq .q-body {
  padding: 0 16px 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

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

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

.page-faq .q-body strong {
  color: var(--paper);
  font-weight: 600;
}

.page-faq .q-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .q-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
}

.page-faq .q-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .q-note {
  margin: 12px 0 0;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-figure {
  grid-column: span 1;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

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

.page-faq .faq-figure__cap {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 20px;
  border: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin: 40px 0 56px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-help__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-help p {
  margin: 0 0 12px;
  max-width: 34rem;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-contact {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-faq .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-faq .contact-key {
  min-width: 62px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .contact-val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .copy-btn {
  margin-left: auto;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--cyan);
  font: inherit;
  font-size: 12px;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-faq .copy-btn:hover {
  border-color: var(--cyan);
  background: rgba(0, 230, 195, 0.1);
}

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

.page-faq .copy-btn[data-copied="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-faq .copy-status {
  min-height: 1em;
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--cyan);
}

.page-faq .faq-help__note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-faq .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-figure {
    grid-column: span 2;
  }

  .page-faq .q-body {
    padding-left: 56px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-intro {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
    padding-bottom: 48px;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 44px;
    padding: 34px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-filters .filter-btn,
  .page-faq .copy-btn,
  .page-faq .q-mark::before {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>