.page-faq .faq-hero {
  padding: 28px 0 10px;
  background:
    linear-gradient(180deg, rgba(51, 224, 255, 0.055), rgba(7, 11, 20, 0) 68%),
    var(--bg);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 26px;
  padding-top: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero-lead h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero-lead .lede {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .hero-paths {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .hero-path {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 4px;
  text-decoration: none;
  color: var(--text);
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .hero-path:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--cyan-deep);
}

.page-faq .hero-path:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .hero-path-num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .hero-path-text {
  display: grid;
  gap: 3px;
}

.page-faq .hero-path-text strong {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .hero-path-text span {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .guide-body {
  padding: 34px 0 60px;
}

.page-faq .guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .guide-toc {
  border-left: 1px solid var(--line-soft);
  padding-left: 16px;
}

.page-faq .toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .toc-link {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 6px;
  padding: 7px 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-radius: 4px;
  transition: color var(--ease), background var(--ease);
}

.page-faq .toc-link:hover,
.page-faq .toc-link:focus-visible {
  color: var(--text);
  background: var(--panel);
  outline: none;
}

.page-faq .toc-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
}

.page-faq .toc-num {
  font-size: 11px;
  color: var(--line);
  padding-top: 3px;
}

.page-faq .toc-link:hover .toc-num {
  color: var(--cyan);
}

.page-faq .toc-note {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.page-faq .guide-main {
  min-width: 0;
}

.page-faq .guide-block {
  scroll-margin-top: 88px;
  padding-bottom: 30px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .guide-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .block-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-faq .block-num {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .block-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .block-lead {
  margin: 8px 0 18px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-faq .qa-item {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity var(--ease);
}

.page-faq .qa-item[open]::before {
  opacity: 1;
}

.page-faq .qa-question {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 16px;
  gap: 10px;
  align-items: start;
  padding: 15px 4px 15px 14px;
  transition: background var(--ease);
}

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

.page-faq .qa-question:hover {
  background: rgba(22, 32, 51, 0.55);
}

.page-faq .qa-question:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa-num {
  font-size: 11px;
  color: var(--line);
  padding-top: 4px;
  transition: color var(--ease);
}

.page-faq .qa-item[open] .qa-num {
  color: var(--cyan);
}

.page-faq .qa-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .qa-mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform var(--ease), background var(--ease);
}

.page-faq .qa-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa-mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .qa-item[open] .qa-mark::before {
  background: var(--cyan);
}

.page-faq .qa-item[open] .qa-mark::after {
  transform: scaleY(0);
}

.page-faq .qa-answer {
  padding: 0 10px 18px 48px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa-answer p {
  margin: 0;
}

.page-faq .qa-answer strong {
  color: var(--text);
  font-weight: 700;
}

.page-faq .step-track {
  list-style: none;
  margin: 20px 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .step-cap {
  position: relative;
  padding: 16px 18px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-faq .step-cap::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 15px;
  height: 15px;
  background: var(--bg);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-faq .step-cap--start {
  background: linear-gradient(150deg, rgba(15, 59, 74, 0.9), var(--panel) 72%);
  border-color: var(--cyan);
}

.page-faq .step-cap-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-faq .step-cap--start .step-cap-num {
  color: var(--cyan);
}

.page-faq .step-cap-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .step-cap-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .guide-figure {
  margin: 0 0 22px;
}

.page-faq .guide-figure-frame {
  position: relative;
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.page-faq .guide-figure-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 2px;
  object-fit: cover;
}

.page-faq .figure-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(7, 11, 20, 0.88);
  border: 1px solid var(--cyan);
  border-radius: 2px;
}

.page-faq .media-caption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .device-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .device-card {
  padding: 16px 16px 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.page-faq .device-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .device-card .device-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.page-faq .device-card-head .mono {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-faq .table-wrap {
  margin-bottom: 22px;
}

.page-faq .check-card {
  margin-bottom: 16px;
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
}

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

.page-faq .check-item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-faq .check-box {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--cyan);
  border-radius: 2px;
}

.page-faq .check-box::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: rgba(51, 224, 255, 0.32);
}

.page-faq .check-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .check-note {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 62ch;
}

.page-faq .guide-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

@media (min-width: 680px) {
  .page-faq .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 26px;
  }
}

@media (min-width: 760px) {
  .page-faq .step-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .step-cap {
    margin-right: 10px;
  }

  .page-faq .step-cap:last-child {
    margin-right: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 34px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.92fr);
    gap: 46px;
    align-items: end;
    padding-top: 30px;
    padding-bottom: 34px;
  }

  .page-faq .block-title {
    font-size: 26px;
  }
}

@media (min-width: 980px) {
  .page-faq .guide-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .guide-toc {
    position: sticky;
    top: 92px;
  }

  .page-faq .guide-body {
    padding-top: 44px;
  }
}

@media (max-width: 420px) {
  .page-faq .qa-question {
    grid-template-columns: 20px minmax(0, 1fr) 14px;
    gap: 8px;
    padding-left: 12px;
  }

  .page-faq .qa-answer {
    padding-left: 40px;
  }

  .page-faq .hero-path {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 10px;
    padding: 12px 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hero-path,
  .page-faq .qa-item::before,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .qa-question,
  .page-faq .toc-link {
    transition: opacity var(--ease);
  }

  .page-faq .hero-path:hover {
    transform: none;
  }
}