.page-faq {
  --faq-rail: 280px;
  color: var(--c-text);
  background:
    radial-gradient(rgba(0, 212, 255, 0.055) 1px, transparent 1px) 0 0 / 24px 24px,
    var(--c-bg);
}

.page-faq .breadcrumbs {
  margin: 0 0 14px;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
}

.page-faq .breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--c-muted);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  color: var(--c-line-strong);
}

.page-faq .breadcrumbs a {
  color: var(--c-muted);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--c-text);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
  background:
    linear-gradient(135deg, rgba(255, 94, 58, 0.09), transparent 40%),
    radial-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px) 0 0 / 26px 26px,
    var(--c-bg-2);
}

.page-faq .faq-hero__container {
  padding: 20px var(--pad-x) 24px;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 10px 0 18px;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding: 8px 0;
}

.page-faq .faq-hero__meta-label {
  font: 700 12px/1 var(--font-mono);
  color: var(--c-accent-2);
  letter-spacing: 0.08em;
}

.page-faq .faq-hero__meta-stat {
  font: 500 12px/1 var(--font-mono);
  color: var(--c-muted);
}

.page-faq .faq-hero__layout {
  display: grid;
  gap: 20px;
}

.page-faq .faq-hero__symbol {
  display: none;
}

.page-faq .faq-hero h1 {
  margin: 0 0 14px;
  max-width: 14em;
  font-size: clamp(32px, 8.5vw, 64px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-muted);
}

.page-faq .faq-segments {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-segments__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--c-line);
  background: rgba(10, 15, 44, 0.72);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
  color: var(--c-text);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, background 0.2s, color 0.2s;
}

.page-faq .faq-segments__btn:hover {
  border-color: var(--c-accent);
  background: rgba(20, 26, 60, 0.9);
  color: var(--c-text);
  transform: translate(-1px, -1px);
}

.page-faq .faq-segments__num {
  font: 700 12px/1 var(--font-mono);
  color: var(--c-accent);
}

.page-faq .faq-segments__label {
  font-size: 14px;
  font-weight: 700;
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-main {
  padding: clamp(20px, 4vw, 48px) 0 64px;
}

.page-faq .faq-main__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-index {
  border: 1px solid var(--c-line);
  background: rgba(20, 26, 60, 0.7);
  box-shadow: var(--shadow);
  padding: 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font: 700 12px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-index__groups {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__group {
  min-width: 0;
  border-left: 2px solid var(--c-line);
  padding-left: 12px;
}

.page-faq .faq-index__group-link {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-text);
  text-decoration: none;
}

.page-faq .faq-index__group-link:hover {
  color: var(--c-accent-2);
}

.page-faq .faq-index__group-no {
  font: 700 13px/1 var(--font-mono);
  color: var(--c-accent);
}

.page-faq .faq-index__questions {
  display: grid;
  gap: 6px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__questions a {
  position: relative;
  display: inline-block;
  padding-left: 24px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-muted);
  text-decoration: none;
}

.page-faq .faq-index__questions a::before {
  content: "→";
  position: absolute;
  left: 8px;
  color: var(--c-accent-2);
}

.page-faq .faq-index__questions a:hover {
  color: var(--c-text);
}

.page-faq .faq-index__card {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--c-line);
  background: rgba(255, 94, 58, 0.06);
}

.page-faq .faq-index__card-title {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-text);
}

.page-faq .faq-index__card p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-articles {
  display: grid;
  gap: 58px;
  min-width: 0;
  max-width: 780px;
}

.page-faq .faq-section {
  scroll-margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-section__head {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-start;
}

.page-faq .faq-section__no {
  padding-top: 2px;
  font: 300 clamp(40px, 7vw, 56px) / 0.85 var(--font-mono);
  color: var(--c-text);
  letter-spacing: -0.04em;
}

.page-faq .faq-section__title h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.page-faq .faq-section__desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-faq .faq-section__range {
  margin-left: auto;
  padding: 6px 8px;
  border: 1px solid var(--c-line);
  font: 500 12px/1 var(--font-mono);
  white-space: nowrap;
  color: var(--c-accent-2);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-item {
  display: block;
  scroll-margin-top: 20px;
  border: 1px solid var(--c-line);
  background: rgba(10, 15, 44, 0.75);
  box-shadow: var(--shadow);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 94, 58, 0.5);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__no {
  flex: none;
  padding: 6px 7px;
  border: 1px solid var(--c-line);
  background: rgba(255, 94, 58, 0.08);
  font: 700 12px/1 var(--font-mono);
  color: var(--c-accent);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-text);
}

.page-faq .faq-item__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--c-line);
  font: 700 22px/1 var(--font-sans);
  color: var(--c-accent-2);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
  border-color: var(--c-accent);
  background: rgba(255, 94, 58, 0.14);
}

.page-faq .faq-item__a {
  padding: 0 16px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 62ch;
}

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

.page-faq .faq-item__link {
  display: inline-block;
  margin-top: 8px;
  border-bottom: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-cyan);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.page-faq .faq-item__link:hover {
  border-color: currentColor;
  color: var(--c-accent-2);
}

.page-faq .faq-item__a a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-faq .faq-item__a a:hover {
  color: var(--c-accent-2);
  border-color: currentColor;
}

.page-faq .faq-insight {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-bg-2);
  box-shadow: var(--shadow);
}

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

.page-faq .faq-insight__body {
  padding: 18px 18px 20px;
}

.page-faq .faq-insight__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 5px 8px;
  border: 1px solid var(--c-line);
  font: 700 12px/1 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.page-faq .faq-insight h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.35;
}

.page-faq .faq-insight p {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__layout {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(24px, 4vw, 72px);
    align-items: center;
  }

  .page-faq .faq-hero__symbol {
    display: block;
    align-self: center;
    font-family: var(--font-mono);
    font-weight: 200;
    font-size: clamp(120px, 18vw, 260px);
    line-height: 0.8;
    text-align: right;
    color: rgba(255, 94, 58, 0.13);
    user-select: none;
  }

  .page-faq .faq-main__grid {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 16px;
  }

  .page-faq .faq-articles {
    max-width: 780px;
  }

  .page-faq .faq-item__summary {
    padding: 18px;
  }

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

  .page-faq .faq-item__a {
    padding: 0 18px 20px 54px;
  }

  .page-faq .faq-insight {
    grid-template-columns: minmax(240px, 360px) 1fr;
  }

  .page-faq .faq-insight__img {
    height: 100%;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-section__head {
    align-items: center;
  }
}