.page-faq {
  --faq-line: #1E2A3A;
  --faq-cyan-soft: rgba(0, 229, 255, 0.07);
  --faq-purple-soft: rgba(157, 78, 221, 0.1);
  --faq-lime-soft: rgba(182, 255, 0, 0.08);
}

.page-faq__hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 4vw, 3.5rem) 0 clamp(2.5rem, 5vw, 4.5rem);
  background: var(--color-bg);
}

.page-faq__hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  z-index: 0;
}

.page-faq__hero-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right, rgba(10, 14, 23, 0.94) 0%, rgba(10, 14, 23, 0.78) 45%, rgba(19, 26, 42, 0.5) 100%);
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  z-index: 3;
  background: linear-gradient(90deg, var(--color-cyan) 0%, var(--color-purple) 55%, transparent 100%);
}

.page-faq__hero .site-container {
  position: relative;
  z-index: 2;
}

.page-faq__hero-inner {
  max-width: 820px;
  margin-top: 2rem;
}

.page-faq__hero h1 {
  margin: 0.75rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0.03em;
  color: var(--color-text);
  text-shadow: 0 0 24px rgba(0, 229, 255, 0.28);
}

.page-faq__hero-lead {
  margin: 0;
  max-width: 640px;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-dim);
}

.page-faq__keywords {
  background: rgba(19, 26, 42, 0.55);
  border-bottom: 1px solid var(--faq-line);
  padding: 1.1rem 0;
}

.page-faq__keywords-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.page-faq__keywords-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-purple);
  text-transform: uppercase;
  margin-right: 0.25rem;
}

.page-faq__keyword {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.9rem;
  background: var(--faq-cyan-soft);
  border: 1px solid rgba(0, 229, 255, 0.4);
  border-left: 3px solid var(--color-cyan);
  border-bottom: 2px solid var(--color-purple);
  color: var(--color-cyan);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  line-height: 1.4;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq__keyword:hover,
.page-faq__keyword:focus-visible {
  background: var(--color-cyan);
  color: var(--color-ink);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.35);
}

.page-faq__layout {
  padding: var(--space-section) 0 4rem;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  background-color: var(--color-bg);
  background-position: center;
}

.page-faq__layout-grid {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.75rem);
  align-items: start;
}

.page-faq__aside {
  position: sticky;
  top: 1.5rem;
  background: var(--color-panel);
  border: 1px solid rgba(0, 229, 255, 0.16);
  padding: 1.2rem 0;
}

.page-faq__aside-title {
  display: block;
  padding: 0 1.25rem 0.9rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-dim);
  border-bottom: 1px solid rgba(157, 78, 221, 0.35);
}

.page-faq__cat-list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 0.85rem 0.75rem 0;
}

.page-faq__cat {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 0.65rem 0.8rem 1.1rem;
  color: var(--color-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.page-faq__cat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.12), rgba(157, 78, 221, 0.08));
  transition: width 0.18s ease;
}

.page-faq__cat:hover,
.page-faq__cat:focus-visible,
.page-faq__cat:target {
  border-left-color: var(--color-cyan);
  color: var(--color-text);
}

.page-faq__cat:hover::before,
.page-faq__cat:focus-visible::before {
  width: 4px;
}

.page-faq__cat-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  color: var(--color-purple);
  border: 1px solid rgba(157, 78, 221, 0.4);
  background: rgba(157, 78, 221, 0.06);
}

.page-faq__cat:hover .page-faq__cat-icon,
.page-faq__cat:focus-visible .page-faq__cat-icon {
  color: var(--color-cyan);
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

.page-faq__cat-name {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
}

.page-faq__cat-num {
  margin-left: auto;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  padding: 0.1rem 0.45rem;
}

.page-faq__groups {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.page-faq__group {
  scroll-margin-top: 1.5rem;
}

.page-faq__group-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(0, 229, 255, 0.22);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-faq__group-title::before {
  content: "";
  flex: none;
  display: block;
  width: 9px;
  height: 9px;
  background: var(--color-cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.85);
  transform: rotate(45deg);
}

.page-faq__group-count {
  margin-left: auto;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-cyan);
}

.page-faq__item {
  margin-bottom: 0.8rem;
  background: rgba(19, 26, 42, 0.78);
  border: 1px solid var(--faq-line);
  border-left: 2px solid rgba(157, 78, 221, 0.35);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq__item summary {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
  user-select: none;
}

.page-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-faq__item summary::before {
  content: "Q";
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-purple);
  border: 1px solid rgba(157, 78, 221, 0.55);
  background: rgba(157, 78, 221, 0.08);
  transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.page-faq__item[open] {
  border-color: rgba(0, 229, 255, 0.42);
  border-left-color: var(--color-cyan);
  box-shadow: 0 0 22px rgba(0, 229, 255, 0.07);
}

.page-faq__item[open] summary::before {
  content: "Q";
  color: var(--color-lime);
  border-color: rgba(182, 255, 0, 0.6);
  background: var(--faq-lime-soft);
  box-shadow: 0 0 12px rgba(182, 255, 0, 0.32);
}

.page-faq__item[open] summary {
  color: var(--color-text);
}

.page-faq__answer {
  padding: 0.1rem 1.1rem 1.2rem 3.45rem;
  animation: pageFaqFade 0.28s ease-out;
}

.page-faq__answer p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--color-dim);
}

.page-faq__answer strong {
  color: var(--color-lime);
  font-weight: 700;
  text-shadow: 0 0 8px rgba(182, 255, 0, 0.5);
}

.page-faq__answer a {
  color: var(--color-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(0, 229, 255, 0.5);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s ease, color 0.2s ease;
}

.page-faq__answer a:hover,
.page-faq__answer a:focus-visible {
  color: var(--color-text);
  text-decoration-color: var(--color-lime);
}

.page-faq__media {
  margin: 1.3rem 0 0;
  border: 1px solid var(--faq-line);
}

.page-faq__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  background: var(--color-bg);
}

.page-faq__media figcaption {
  padding: 0.65rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-dim);
  border-top: 1px solid var(--faq-line);
  background: rgba(10, 14, 23, 0.35);
}

.page-faq__support {
  background: var(--color-warm);
  color: var(--color-ink);
  padding: 2.5rem 0;
}

.page-faq__support-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.page-faq__support-copy h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}

.page-faq__support-copy p {
  margin: 0;
  max-width: 620px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(11, 8, 18, 0.82);
}

.page-faq__support .site-btn--ghost {
  border-color: var(--color-ink);
  color: var(--color-ink);
  background: transparent;
}

.page-faq__support .site-btn--ghost:hover,
.page-faq__support .site-btn--ghost:focus-visible {
  background: var(--color-ink);
  color: var(--color-warm);
}

@keyframes pageFaqFade {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .page-faq__hero {
    padding-top: 2rem;
    padding-bottom: 2.5rem;
  }

  .page-faq__hero-inner {
    margin-top: 1.25rem;
  }

  .page-faq__layout-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .page-faq__aside {
    position: static;
    padding: 0.9rem 0;
    overflow: hidden;
  }

  .page-faq__aside-title {
    display: none;
  }

  .page-faq__cat-list {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0.75rem;
  }

  .page-faq__cat {
    flex: 0 0 auto;
    border-left: 1px solid rgba(0, 229, 255, 0.2);
    border-bottom: 2px solid transparent;
    padding: 0.55rem 0.75rem;
  }

  .page-faq__cat::before {
    display: none;
  }

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

  .page-faq__cat-num {
    display: none;
  }

  .page-faq__cat-name {
    font-size: 0.85rem;
    white-space: nowrap;
  }

  .page-faq__answer {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .page-faq__support-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .page-faq__keywords-label {
    width: 100%;
  }

  .page-faq__keyword {
    font-size: 0.82rem;
  }

  .page-faq__item summary {
    font-size: 0.92rem;
  }

  .page-faq__group-title {
    font-size: 1.1rem;
  }

  .page-faq__group-count {
    font-size: 0.7rem;
  }
}