.page-faq {
  --faq-section-gap: 96px;
  --faq-rail-w: 220px;
  --faq-content-w: 860px;
  --faq-line-soft: rgba(74, 111, 165, 0.4);
  --faq-bg-grid-line: rgba(74, 111, 165, 0.12);
  --faq-toggle-w: 44px;
  --faq-toggle-h: 44px;
  --faq-answer-bg: rgba(30, 42, 74, 0.6);
  --faq-answer-pad: 20px 24px 24px 72px;
  --faq-item-radius: 0;
  --faq-search-bg: rgba(30, 42, 74, 0.7);
  --faq-search-focus: rgba(255, 107, 0, 0.75);
  --faq-hero-media-w: 280px;
  position: relative;
  overflow-x: hidden;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

.page-faq .container-wide {
  max-width: calc(var(--content-max) + 80px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.page-faq .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-faq .section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  padding: 0 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
  border-left: 2px solid var(--color-accent);
  line-height: 1.2;
}

.page-faq .coord-code {
  font-family: var(--font-mono);
  color: var(--color-muted);
  letter-spacing: 0.08em;
}

.page-faq .coord-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-data);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.6);
}

.page-faq .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--color-line);
  background-color: rgba(30, 42, 74, 0.6);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-faq .badge-live {
  border-color: rgba(57, 255, 20, 0.5);
  color: var(--color-data);
  background-color: rgba(57, 255, 20, 0.06);
}

.page-faq .badge-live::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-data);
  animation: page-faq-pulse 2s ease-in-out infinite;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.page-faq .breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}

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

.page-faq .faq-hero {
  position: relative;
  padding-top: 96px;
  padding-bottom: 56px;
}

.page-faq .faq-hero__grid {
  position: absolute;
  inset: 0 0 0 auto;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image:
    linear-gradient(var(--faq-bg-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-bg-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(90deg, transparent 20%, rgba(0, 0, 0, 0.75) 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 20%, rgba(0, 0, 0, 0.75) 100%);
}

.page-faq .faq-hero__grid::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-accent) 0%, transparent 35%, var(--color-data) 70%, transparent 100%);
  opacity: 0.5;
}

.page-faq .faq-hero__content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--color-text);
  text-transform: none;
  max-width: 14em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 28px;
  max-width: 60ch;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-faq .faq-search {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 640px;
  background-color: var(--faq-search-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--faq-item-radius);
  margin-bottom: 20px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-search:focus-within {
  border-color: var(--faq-search-focus);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
}

.page-faq .faq-search__label {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
}

.page-faq .faq-search__icon {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--color-accent);
}

.page-faq .faq-search__input {
  flex: 1;
  min-width: 0;
  height: 48px;
  padding: 0 12px 0 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(200, 208, 218, 0.55);
}

.page-faq .faq-search__hint {
  flex-shrink: 0;
  padding-right: 14px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(200, 208, 218, 0.6);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 16px;
}

.page-faq .faq-hero__meta-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.page-faq .faq-hero__media {
  position: relative;
  z-index: 1;
  margin: 24px 0 0;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  border: 1px solid var(--color-line);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 8px;
  padding-bottom: 80px;
}

.page-faq .faq-rail__sticky {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  padding: 20px 0;
}

.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-rail__list li {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 4px;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-faq .faq-rail__list a .coord-code {
  font-size: 0.68rem;
  color: inherit;
  opacity: 0.7;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--color-accent);
  padding-left: 8px;
}

.page-faq .faq-rail__note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

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

.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 20px);
  padding-top: 40px;
  padding-bottom: 24px;
}

.page-faq .faq-section + .faq-section {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-section__head {
  margin-bottom: 24px;
}

.page-faq .faq-section__head h2 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  line-height: 1.2;
  color: var(--color-text);
}

.page-faq .faq-section__head > p:last-child {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-muted);
  max-width: 56ch;
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  background-color: rgba(30, 42, 74, 0.4);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--faq-item-radius);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-faq .faq-item:hover,
.page-faq .faq-item:focus-within {
  border-color: rgba(255, 107, 0, 0.6);
  background-color: rgba(30, 42, 74, 0.7);
}

.page-faq .faq-item.is-open {
  border-color: rgba(255, 107, 0, 0.45);
  background-color: rgba(30, 42, 74, 0.65);
}

.page-faq .faq-item h3 {
  margin: 0;
}

.page-faq .faq-item__toggle {
  display: grid;
  grid-template-columns: auto 1fr var(--faq-toggle-w);
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 14px 14px 16px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.4;
}

.page-faq .faq-item__toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-faq .faq-item__index {
  font-size: 0.7rem;
  white-space: nowrap;
}

.page-faq .faq-item__icon {
  position: relative;
  width: var(--faq-toggle-w);
  height: var(--faq-toggle-h);
  justify-self: end;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 2px;
  background-color: var(--color-accent);
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.page-faq .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item.is-open .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item.is-open .faq-item__icon::before {
  transform: translate(-50%, -50%) rotate(180deg);
}

.page-faq .faq-item__answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--faq-answer-pad);
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--color-muted);
  border-top: 0 solid transparent;
  transition: max-height 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
}

.page-faq .faq-item.is-open .faq-item__answer {
  max-height: 320px;
  padding: var(--faq-answer-pad);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-item__answer p {
  margin: 0 0 8px;
}

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

.page-faq .faq-figure {
  margin: 36px 0 8px;
  position: relative;
  max-width: 480px;
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.page-faq .faq-support__card {
  position: relative;
  padding: 20px 20px 18px;
  background-color: rgba(30, 42, 74, 0.6);
  border: 1px solid var(--faq-line-soft);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--faq-item-radius);
}

.page-faq .faq-support__card .coord-code {
  display: block;
  margin-bottom: 6px;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
}

.page-faq .faq-support__card h3 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
}

.page-faq .faq-support__value {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
  word-break: break-all;
}

.page-faq .faq-support__desc {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--color-muted);
}

.page-faq .faq-support__note {
  margin: 12px 0 0;
  padding: 14px 16px;
  background-color: rgba(15, 110, 107, 0.18);
  border: 1px solid rgba(15, 110, 107, 0.45);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.page-faq .faq-support__note a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 0, 0.4);
  transition: border-color 0.2s ease;
}

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

.page-faq .faq-item.is-hidden {
  display: none;
}

.page-faq .faq-no-result {
  display: none;
  margin: 20px 0 0;
  padding: 20px;
  border: 1px dashed var(--color-line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
  text-align: center;
}

.page-faq .faq-no-result.is-visible {
  display: block;
}

@keyframes page-faq-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 8px rgba(57, 255, 20, 0.6);
  }
  50% {
    opacity: 0.6;
    box-shadow: 0 0 2px rgba(57, 255, 20, 0.2);
  }
}

@media (max-width: 540px) {
  .page-faq .faq-search__hint {
    display: none;
  }

  .page-faq .faq-item__toggle {
    grid-template-columns: auto 1fr var(--faq-toggle-w);
    gap: 8px;
    padding: 12px 10px 12px 12px;
  }

  .page-faq .faq-item__toggle {
    font-size: 0.84rem;
  }

  .page-faq .faq-item__answer {
    padding: 0 14px;
  }

  .page-faq .faq-item.is-open .faq-item__answer {
    padding: 16px 14px 20px;
  }

  .page-faq .faq-hero {
    padding-top: 72px;
  }

  .page-faq .faq-hero__media {
    clip-path: none;
  }

  .page-faq .faq-support__card {
    padding: 16px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    display: grid;
    grid-template-columns: 1fr var(--faq-hero-media-w);
    gap: 48px;
    align-items: center;
    padding-top: 112px;
    padding-bottom: 64px;
  }

  .page-faq .faq-hero__grid {
    width: 70%;
  }

  .page-faq .faq-hero__media {
    margin: 0;
  }

  .page-faq .faq-hero__media img {
    aspect-ratio: auto;
    height: 100%;
    min-height: 260px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 48px;
    padding-top: 16px;
  }

  .page-faq .faq-rail {
    display: block;
  }

  .page-faq .faq-content {
    max-width: var(--faq-content-w);
  }

  .page-faq .faq-section {
    padding-top: 56px;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-faq .faq-support__card {
    padding: 24px 20px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero {
    grid-template-columns: 1fr 360px;
    gap: 64px;
  }

  .page-faq .faq-layout {
    gap: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__meta .badge-live::before,
  .page-faq .badge-live::before {
    animation: none;
  }

  .page-faq .faq-item__answer,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-item__toggle,
  .page-faq .faq-rail__list a {
    transition: none;
  }
}