.page-faq {
  --faq-gap: 2rem;
  background: var(--c-bg);
  color: var(--c-text);
  overflow-x: clip;
}

.page-faq .faq-hero {
  background: var(--c-bg);
  padding: 3rem 0 4rem;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--c-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -12%;
  width: 65%;
  height: 100%;
  background: linear-gradient(135deg, rgba(61, 90, 254, 0.22) 0%, transparent 45%, rgba(198, 255, 0, 0.08) 100%);
  clip-path: polygon(18% 0, 100% 0, 78% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 2.5rem;
  padding-top: 2.25rem;
}

.page-faq .faq-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-faq .faq-hero__title {
  margin: 0.875rem 0 1.25rem;
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-transform: none;
}

.page-faq .faq-hero__lead {
  max-width: 52ch;
  color: var(--c-muted);
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 0 0 2rem;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  width: 100%;
  max-width: 440px;
}

.page-faq .faq-hero__stat {
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard);
  padding: 0.875rem 1rem;
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
}

.page-faq .faq-hero__stat:nth-child(2),
.page-faq .faq-hero__stat:nth-child(4) {
  transform: translateX(0.5rem);
}

.page-faq .faq-hero__stat-num {
  color: var(--c-green);
  font-size: 1.35rem;
  font-weight: 700;
}

.page-faq .faq-hero__stat-label {
  color: var(--c-muted);
  font-size: 0.85rem;
}

.page-faq .faq-hero__visual {
  position: relative;
  border: 2px solid var(--c-line);
  box-shadow: 10px 10px 0 var(--c-panel);
  background: var(--c-panel);
}

.page-faq .faq-hero__visual::before {
  content: attr(data-metric);
  position: absolute;
  top: -0.875rem;
  left: 1rem;
  background: var(--c-bg);
  padding: 0.25rem 0.625rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--c-green);
  letter-spacing: 0.08em;
  z-index: 2;
  border: 1px solid var(--c-line);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 90, 254, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 90, 254, 0.22) 1px, transparent 1px);
  background-size: 44px 44px;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 1;
}

.page-faq .faq-hero__coord {
  position: absolute;
  bottom: 0.75rem;
  right: 0.875rem;
  background: rgba(5, 8, 20, 0.82);
  border: 1px solid var(--c-line);
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  color: var(--c-muted);
  z-index: 2;
  letter-spacing: 0.06em;
}

.page-faq .faq-board {
  background: var(--c-ink);
  padding: 4rem 0 5rem;
  position: relative;
}

.page-faq .faq-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(61, 90, 254, 0.32) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
}

.page-faq .faq-board .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-board__head {
  margin-bottom: 2.5rem;
  border-left: 4px solid var(--c-green);
  padding-left: 1rem;
}

.page-faq .faq-board__heading {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 900;
  margin: 0.5rem 0 0.625rem;
  letter-spacing: -0.02em;
}

.page-faq .faq-board__desc {
  color: var(--c-muted);
  line-height: 1.8;
  max-width: 58ch;
  margin: 0;
}

.page-faq .faq-board__grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.page-faq .faq-index {
  display: flex;
  gap: 0.625rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: var(--c-line) transparent;
}

.page-faq .faq-index::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-index::-webkit-scrollbar-thumb {
  background: var(--c-line);
}

.page-faq .faq-index__item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
  padding: 0.75rem 1rem;
  background: var(--c-panel);
  border: 2px solid transparent;
  color: var(--c-muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  transition: border-color 0.25s, color 0.25s, background 0.25s, transform 0.25s;
  position: relative;
}

.page-faq .faq-index__item::before {
  content: "";
  width: 10px;
  height: 10px;
  border: 2px solid var(--c-line);
  border-radius: 50%;
  background: var(--c-bg);
  flex-shrink: 0;
  transition: background 0.25s, box-shadow 0.25s;
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible,
.page-faq .faq-index__item.is-active {
  border-color: var(--c-green);
  color: var(--c-text);
  background: rgba(198, 255, 0, 0.08);
  transform: translateY(-2px);
}

.page-faq .faq-index__item:hover::before,
.page-faq .faq-index__item:focus-visible::before,
.page-faq .faq-index__item.is-active::before {
  background: var(--c-green);
  box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.18);
}

.page-faq .faq-index__num {
  color: var(--c-green);
  font-size: 0.8rem;
}

.page-faq .faq-index__name {
  white-space: nowrap;
}

.page-faq .faq-index__count {
  font-size: 0.75rem;
  color: var(--c-muted);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  padding: 0.125rem 0.4rem;
}

.page-faq .faq-groups {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.page-faq .faq-group {
  position: relative;
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard);
  padding: 1.5rem 1.25rem 1.75rem;
}

.page-faq .faq-group::before {
  content: attr(data-index);
  position: absolute;
  top: 0.25rem;
  right: 0.75rem;
  font-family: var(--font-data);
  font-size: 5.5rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(61, 90, 254, 0.4);
  pointer-events: none;
}

.page-faq .faq-group:target {
  animation: faq-group-flash 1.2s ease-out;
}

@keyframes faq-group-flash {
  0% {
    box-shadow: 0 0 0 0 rgba(198, 255, 0, 0.5), var(--shadow-hard);
  }
  40% {
    box-shadow: 0 0 0 6px rgba(198, 255, 0, 0.28), var(--shadow-hard);
  }
  100% {
    box-shadow: var(--shadow-hard);
  }
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.375rem;
  font-weight: 900;
  color: var(--c-text);
  margin: 0 0 0.5rem;
  position: relative;
  z-index: 1;
}

.page-faq .faq-group__title .data-text {
  color: var(--c-green);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-group__desc {
  color: var(--c-muted);
  font-size: 0.925rem;
  line-height: 1.7;
  margin: 0 0 1.25rem;
  max-width: 46ch;
}

.page-faq .faq-item {
  border: 2px solid rgba(61, 90, 254, 0.4);
  background: rgba(10, 14, 39, 0.55);
  margin-top: 0.875rem;
  transition: border-color 0.3s, background 0.3s;
}

.page-faq .faq-item[open] {
  border-color: rgba(198, 255, 0, 0.55);
  background: rgba(10, 14, 39, 0.8);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.125rem;
  font-weight: 700;
  font-size: 0.975rem;
  line-height: 1.6;
  color: var(--c-text);
  user-select: none;
}

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

.page-faq .faq-item summary::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--c-line);
  background: var(--c-bg);
  flex-shrink: 0;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.page-faq .faq-item[open] summary::before {
  background: var(--c-green);
  border-color: var(--c-green);
  box-shadow: 0 0 10px rgba(198, 255, 0, 0.5);
}

.page-faq .faq-item summary::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-green);
  margin-left: auto;
  flex-shrink: 0;
  transition: transform 0.3s, color 0.3s;
}

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

.page-faq .faq-item summary:hover {
  color: var(--c-green);
}

.page-faq .faq-item__body {
  position: relative;
  padding: 0 1.125rem 1.25rem 2.125rem;
  color: var(--c-muted);
  line-height: 1.85;
}

.page-faq .faq-item__body::before {
  content: "";
  position: absolute;
  left: 1.3125rem;
  top: 0;
  bottom: 1.25rem;
  width: 2px;
  background: var(--c-line);
  opacity: 0.6;
}

.page-faq .faq-item__body p {
  margin: 0;
}

.page-faq .faq-group__visual {
  margin-top: 1.5rem;
  position: relative;
  border: 2px solid var(--c-line);
  background: var(--c-bg);
}

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

.page-faq .faq-group__visual-note {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: rgba(5, 8, 20, 0.84);
  border: 1px solid var(--c-line);
  padding: 0.25rem 0.5rem;
  font-size: 0.7rem;
  color: var(--c-green);
  letter-spacing: 0.07em;
}

.page-faq .faq-channel {
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-panel) 100%);
  padding: 4rem 0;
  border-top: 2px solid var(--c-line);
}

.page-faq .faq-channel__head {
  margin-bottom: 2rem;
}

.page-faq .faq-channel__title {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0.5rem;
}

.page-faq .faq-channel__head p {
  color: var(--c-muted);
  line-height: 1.8;
  margin: 0;
  max-width: 56ch;
}

.page-faq .faq-channel__grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-channel__card {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 1.25rem;
  background: var(--c-bg);
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard);
  color: var(--c-text);
  text-decoration: none;
  position: relative;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.page-faq .faq-channel__card::after {
  content: "→";
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-data);
  color: var(--c-muted);
  transition: color 0.3s, transform 0.3s;
}

.page-faq .faq-channel__card:hover,
.page-faq .faq-channel__card:focus-visible {
  border-color: var(--c-green);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--c-line);
}

.page-faq .faq-channel__card:hover::after,
.page-faq .faq-channel__card:focus-visible::after {
  color: var(--c-green);
  transform: translateX(3px);
}

.page-faq .faq-channel__card--primary {
  border-color: var(--c-orange);
}

.page-faq .faq-channel__card--primary::before {
  content: "24H";
  position: absolute;
  top: -0.7rem;
  right: 1.25rem;
  background: var(--c-orange);
  color: var(--c-ink);
  font-family: var(--font-data);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.125rem 0.45rem;
  letter-spacing: 0.06em;
}

.page-faq .faq-channel__card-index {
  color: var(--c-green);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-channel__card-label {
  color: var(--c-muted);
  font-size: 0.875rem;
}

.page-faq .faq-channel__card-value {
  font-family: var(--font-data);
  font-size: 1rem;
  word-break: break-all;
  color: var(--c-text);
}

.page-faq .faq-channel__note {
  color: var(--c-muted);
  font-size: 0.875rem;
  line-height: 1.8;
  margin: 0;
  border-left: 3px solid var(--c-line);
  padding-left: 0.875rem;
}

.page-faq .faq-related {
  background: var(--c-ink);
  padding: 3.5rem 0 5rem;
}

.page-faq .faq-related__head {
  margin-bottom: 1.75rem;
}

.page-faq .faq-related__title {
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 900;
  margin: 0.375rem 0 0;
}

.page-faq .faq-related__card {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  min-height: 180px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.page-faq .faq-related__card:hover,
.page-faq .faq-related__card:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--c-green);
}

.page-faq .faq-related__num {
  color: var(--c-green);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-related__name {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0;
  color: var(--c-text);
}

.page-faq .faq-related__card p {
  color: var(--c-muted);
  font-size: 0.875rem;
  line-height: 1.75;
  margin: 0;
}

@media (min-width: 48rem) {
  .page-faq .faq-hero {
    padding: 3.5rem 0 5rem;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 3rem;
    align-items: center;
  }

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

  .page-faq .faq-hero__stat:nth-child(2),
  .page-faq .faq-hero__stat:nth-child(4) {
    transform: translateY(0.5rem);
  }

  .page-faq .faq-board {
    padding: 5rem 0 6rem;
  }

  .page-faq .faq-board__grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-faq .faq-index {
    flex-direction: column;
    gap: 0.75rem;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: calc(var(--header-total-h) + 1.5rem);
    align-self: start;
    border-right: 2px solid transparent;
  }

  .page-faq .faq-index::before {
    content: "";
    position: absolute;
    right: -1.375rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: repeating-linear-gradient(to bottom, var(--c-line) 0 8px, transparent 8px 16px);
    opacity: 0.45;
    pointer-events: none;
  }

  .page-faq .faq-index__item {
    width: 100%;
    flex-shrink: 1;
  }

  .page-faq .faq-index__item::after {
    content: "";
    position: absolute;
    right: -1.375rem;
    top: 50%;
    width: 1.375rem;
    height: 2px;
    background: var(--c-green);
    opacity: 0;
    transition: opacity 0.3s;
    transform: translateY(-50%);
  }

  .page-faq .faq-index__item:hover::after,
  .page-faq .faq-index__item:focus-visible::after,
  .page-faq .faq-index__item.is-active::after {
    opacity: 1;
  }

  .page-faq .faq-group {
    padding: 2rem 1.75rem 2.25rem;
  }

  .page-faq .faq-group::before {
    font-size: 7rem;
  }

  .page-faq .faq-group:nth-child(even) {
    transform: translateX(0.75rem);
  }

  .page-faq .faq-item summary {
    font-size: 1rem;
    padding: 1.125rem 1.375rem;
  }

  .page-faq .faq-item__body {
    padding: 0 1.375rem 1.375rem 2.625rem;
  }

  .page-faq .faq-item__body::before {
    left: 1.625rem;
  }

  .page-faq .faq-channel__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

@media (min-width: 64rem) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-faq .faq-board__grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 3rem;
  }

  .page-faq .faq-index::before {
    right: -1.5rem;
  }

  .page-faq .faq-index__item::after {
    right: -1.5rem;
    width: 1.5rem;
  }

  .page-faq .faq-group:nth-child(even) {
    transform: translateX(1rem);
  }
}