.page-faq {
  --faq-gap: clamp(1.25rem, 4vw, 3rem);
  --faq-panel: #1c2838;
  --faq-panel-night: #0f2e2a;
  --faq-line: rgba(230, 233, 240, 0.12);
  --faq-gold: #c9a227;
  --faq-cyan: #00e5cc;
  --faq-muted: #8899aa;
  --faq-radius: 1rem;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 82% 4%, rgba(201, 162, 39, 0.08), transparent 26rem),
    linear-gradient(180deg, rgba(10, 22, 40, 0.3), transparent 12rem);
}

.page-faq__intro {
  padding: clamp(2rem, 5vw, 4.5rem) 0 2.25rem;
  background-image:
    linear-gradient(rgba(0, 229, 204, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 204, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq__intro-grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}

.page-faq__intro-copy .section-label {
  color: var(--faq-cyan);
  letter-spacing: 0.12em;
}

.page-faq__intro-copy h1 {
  margin: 0.6rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--c-text);
  max-width: 12em;
}

.page-faq__lead {
  color: var(--faq-muted);
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.85;
  max-width: 34rem;
  margin-bottom: 1.5rem;
}

.page-faq__intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.page-faq__console-item {
  background: rgba(28, 40, 56, 0.88);
  padding: 1rem 1.1rem;
}

.page-faq__console-item dt {
  font-size: 0.72rem;
  color: var(--faq-muted);
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.page-faq__console-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 700;
  color: var(--faq-gold);
  line-height: 1.2;
}

.page-faq__sysbar {
  margin-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--faq-line);
  border-radius: 0.5rem;
  background: rgba(12, 20, 36, 0.62);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--faq-muted);
  letter-spacing: 0.04em;
}

.page-faq__quicknav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.page-faq__quicknav-link {
  padding: 0.6rem 1rem;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  color: var(--c-text);
  text-decoration: none;
  font-size: 0.88rem;
  transition:
    border-color 0.2s var(--ease),
    color 0.2s var(--ease),
    background 0.2s var(--ease);
}

.page-faq__quicknav-link:hover,
.page-faq__quicknav-link:focus-visible {
  border-color: rgba(0, 229, 204, 0.55);
  color: var(--faq-cyan);
  background: rgba(0, 229, 204, 0.06);
}

.page-faq__chapter {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  scroll-margin-top: 130px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq__chapter--update {
  background: linear-gradient(180deg, rgba(15, 46, 42, 0.28), transparent 42%);
}

.page-faq__chapter--search {
  background:
    linear-gradient(120deg, rgba(201, 162, 39, 0.05), transparent 38%),
    radial-gradient(circle at 12% 84%, rgba(0, 229, 204, 0.05), transparent 22rem);
}

.page-faq__chapter--mobile {
  background: linear-gradient(160deg, rgba(15, 46, 42, 0.48), transparent 58%);
}

.page-faq__chapter--contact {
  background:
    linear-gradient(90deg, rgba(201, 162, 39, 0.06), transparent 62%),
    linear-gradient(180deg, rgba(0, 229, 204, 0.03), transparent 50%);
}

.page-faq__chapter-grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq__aside {
  position: relative;
}

.page-faq__aside .section-label,
.page-faq__chapter-head .section-label {
  margin-bottom: 0.9rem;
  color: var(--faq-gold);
  letter-spacing: 0.1em;
}

.page-faq__aside-icon {
  width: 2.2rem;
  height: 2.2rem;
  color: var(--faq-cyan);
  margin-bottom: 1rem;
}

.page-faq__aside h2,
.page-faq__chapter-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--c-text);
}

.page-faq__aside-text,
.page-faq__chapter-head .page-faq__aside-text {
  color: var(--faq-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.page-faq__aside-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-line);
  margin: 1.25rem 0;
  object-fit: cover;
}

.page-faq__qa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

.page-faq__qa-card {
  background: var(--faq-panel);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  transition:
    border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease),
    background 0.25s var(--ease);
}

.page-faq__qa-card:hover,
.page-faq__qa-card:focus-within {
  border-color: rgba(0, 229, 204, 0.45);
}

.page-faq__qa-card[open] {
  border-color: rgba(0, 229, 204, 0.4);
  background: rgba(28, 40, 56, 0.96);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.24);
}

.page-faq__qa-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 1.2rem;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-text);
}

.page-faq__qa-head::-webkit-details-marker {
  display: none;
}

.page-faq__qa-head .collapse__icon {
  flex: 0 0 auto;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid var(--faq-line);
  border-radius: 50%;
  position: relative;
  color: var(--faq-muted);
  transition:
    transform 0.25s var(--ease),
    border-color 0.25s var(--ease),
    color 0.25s var(--ease);
}

.page-faq__qa-head .collapse__icon::before,
.page-faq__qa-head .collapse__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 42%;
  height: 2px;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.page-faq__qa-head .collapse__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq__qa-card[open] .collapse__icon {
  transform: rotate(45deg);
  border-color: rgba(0, 229, 204, 0.6);
  color: var(--faq-cyan);
}

.page-faq__qa-body {
  padding: 0 1.2rem 1.1rem;
}

.page-faq__answer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px dashed rgba(230, 233, 240, 0.12);
}

.page-faq__answer-item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 0.9rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(230, 233, 240, 0.07);
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-faq__answer-item:last-child {
  border-bottom: none;
}

.page-faq__answer-key {
  color: var(--faq-gold);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  padding-top: 0.15rem;
}

.page-faq__answer-text {
  color: var(--c-text);
}

.page-faq__chapter-head {
  margin-bottom: 2rem;
}

.page-faq__chapter-head .page-faq__aside-icon {
  display: block;
}

.page-faq__mobile-card {
  margin-top: 2.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
  background: rgba(15, 46, 42, 0.82);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
}

.page-faq__mobile-card img {
  width: 100%;
  max-width: 220px;
  height: auto;
  border-radius: 0.75rem;
  margin: 0 auto;
  display: block;
  object-fit: cover;
}

.page-faq__mobile-info h3 {
  margin: 0 0 0.6rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text);
}

.page-faq__mobile-info p {
  color: var(--faq-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.page-faq__contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  margin: 2rem 0 0;
}

.page-faq__contact-card {
  position: relative;
  padding: 1.5rem;
  background: var(--faq-panel);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq__contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--faq-gold), var(--faq-cyan));
}

.page-faq__contact-card dt {
  font-size: 0.78rem;
  color: var(--faq-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.page-faq__contact-card dd {
  margin: 0;
}

.page-faq__contact-detail {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--faq-cyan);
  line-height: 1.55;
  word-break: break-all;
}

.page-faq__contact-note {
  margin-top: 0.45rem;
  font-size: 0.82rem;
  color: var(--faq-muted);
  line-height: 1.55;
}

.page-faq__contact-faqs {
  margin-top: 2rem;
}

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

  .page-faq__mobile-card {
    grid-template-columns: 260px minmax(0, 1fr);
    padding: 2rem;
  }

  .page-faq__mobile-card img {
    max-width: 240px;
  }

  .page-faq__contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq__intro-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.65fr);
    align-items: stretch;
  }

  .page-faq__intro-copy h1 {
    font-size: clamp(2.4rem, 4.6vw, 3.9rem);
  }

  .page-faq__chapter-grid {
    grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.75fr);
  }

  .page-faq__chapter--search .page-faq__chapter-grid {
    grid-template-columns: minmax(0, 1.75fr) minmax(240px, 0.75fr);
  }

  .page-faq__chapter--search .page-faq__qa-grid {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq__chapter--search .page-faq__aside {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq__aside {
    position: sticky;
    top: 150px;
  }

  .page-faq__aside-img {
    margin-top: 1.5rem;
  }

  .page-faq__mobile-card {
    grid-template-columns: 320px minmax(0, 1fr);
    padding: 2.25rem;
  }

  .page-faq__mobile-card img {
    max-width: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}