.page-faq {
  --faq-band-1: rgba(55, 240, 208, 0.62);
  --faq-band-2: rgba(55, 240, 208, 0.44);
  --faq-band-3: rgba(55, 240, 208, 0.30);
  --faq-band-4: rgba(255, 182, 72, 0.55);
  --faq-band-5: rgba(255, 182, 72, 0.32);
  --faq-grid-line: rgba(30, 74, 79, 0.22);
}

.page-faq .breadcrumb {
  padding-top: 96px;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 28% 18%, #000 0%, transparent 74%);
  mask-image: radial-gradient(ellipse at 28% 18%, #000 0%, transparent 74%);
  z-index: 0;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  align-items: end;
}

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

.page-faq .faq-hero__main .display-title {
  margin: 10px 0 0;
  font-size: clamp(30px, 8vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-faq .faq-hero__main .lede {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-hero__media {
  margin: 0;
  min-width: 0;
  border: 1px solid var(--c-line);
  background: var(--c-panel-2);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.04);
}

.page-faq .faq-hero__media .media-frame__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--c-line);
  color: var(--c-muted);
  font-size: 12px;
  line-height: 1.6;
}

.page-faq .faq-jump {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-jump .chip {
  display: inline-block;
  border-radius: var(--radius-0);
  color: var(--c-muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-faq .faq-jump .chip:hover,
.page-faq .faq-jump .chip:focus-visible {
  color: var(--c-accent-strong);
}

.page-faq .faq-jump .chip:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.page-faq .faq-search-sec {
  padding-top: 0;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  border: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(11, 30, 51, 0.92), rgba(6, 18, 15, 0.92));
  transition: border-color 120ms var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--c-accent);
  box-shadow: inset 0 0 0 1px rgba(55, 240, 208, 0.28);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  padding: 10px 0;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search__input:focus {
  outline: none;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(157, 182, 180, 0.72);
}

.page-faq .faq-search__count {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-amber);
  white-space: nowrap;
}

.page-faq .faq-count {
  font-weight: 600;
}

.page-faq .faq-groups {
  display: grid;
  gap: clamp(38px, 6vw, 68px);
}

.page-faq .faq-group {
  display: grid;
  gap: 20px;
  padding-top: 22px;
  border-top: 3px solid var(--c-line);
}

.page-faq .faq-group--find { border-top-color: var(--faq-band-1); }
.page-faq .faq-group--data { border-top-color: var(--faq-band-2); }
.page-faq .faq-group--device { border-top-color: var(--faq-band-3); }
.page-faq .faq-group--filter { border-top-color: var(--faq-band-4); }
.page-faq .faq-group--contact { border-top-color: var(--faq-band-5); }

.page-faq .faq-group__rail {
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-accent);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 5vw, 30px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 32ch;
  color: var(--c-muted);
  font-size: 13.5px;
  line-height: 1.72;
}

.page-faq .faq-figure {
  margin: 8px 0 0;
  min-width: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--c-line);
  background: var(--c-panel-2);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  color: var(--c-muted);
  font-size: 12px;
  line-height: 1.6;
  font-family: var(--font-mono);
}

.page-faq .faq-group__list {
  min-width: 0;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--c-text);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  transition: color 120ms var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--c-accent-strong);
}

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

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

.page-faq .faq-plus {
  flex: 0 0 auto;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  transition: transform 160ms var(--ease);
}

.page-faq .faq-plus::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
  background: var(--c-accent);
}

.page-faq .faq-plus::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  background: var(--c-accent);
}

.page-faq .faq-item[open] .faq-plus {
  transform: rotate(45deg);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--c-accent-strong);
}

.page-faq .faq-item__a {
  display: grid;
  gap: 12px;
  justify-items: start;
  padding: 0 0 18px;
  max-width: 66ch;
}

.page-faq .faq-item__a p {
  margin: 0;
  color: var(--c-muted);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-faq .faq-item__a .btn {
  justify-self: start;
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-faq .faq-item__a .btn:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

@media (min-width: 720px) {
  .page-faq .faq-hero__main .display-title {
    font-size: clamp(38px, 5vw, 56px);
  }

  .page-faq .faq-hero__main .lede {
    font-size: 16px;
  }

  .page-faq .faq-hero__media img {
    aspect-ratio: 3 / 4;
  }

  .page-faq .faq-search {
    padding: 10px 18px;
  }

  .page-faq .faq-item__q {
    padding: 17px 4px;
    font-size: 16.5px;
  }

  .page-faq .faq-item__a p {
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }

  .page-faq .faq-group {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 40px;
    padding-top: 26px;
  }

  .page-faq .faq-group__rail {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-group__note {
    font-size: 14px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__grid {
    gap: 60px;
  }

  .page-faq .faq-group {
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-plus,
  .page-faq .faq-item__q,
  .page-faq .faq-search {
    transition: none;
  }
}
<<<END>>>