.page-faq {
  --faq-section-color: var(--color-accent);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--color-text-muted);
}
.page-faq .breadcrumb-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.page-faq .breadcrumb-link:hover {
  color: var(--color-accent);
}
.page-faq .breadcrumb-sep {
  color: var(--color-text-muted);
}
.page-faq .breadcrumb-current {
  color: var(--color-text-main);
  font-weight: 600;
}

.page-faq .faq-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 480px;
  padding: 96px 0 56px;
  overflow: hidden;
  background: var(--color-bg-primary);
}
.page-faq .faq-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 10, 24, 0.96) 0%, rgba(5, 10, 24, 0.76) 55%, rgba(5, 10, 24, 0.4) 100%);
}
.page-faq .faq-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
}
.page-faq .faq-hero-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-faq .faq-hero-content {
  max-width: 780px;
}
.page-faq .faq-hero-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text-main);
  text-shadow: 0 2px 24px rgba(5, 10, 24, 0.7);
}
.page-faq .faq-hero-desc {
  margin: 0 0 26px;
  max-width: 640px;
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.75;
}
.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-faq .faq-hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgba(13, 21, 38, 0.72);
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
}
.page-faq .faq-hero-meta-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}
.page-faq .faq-hero-art {
  display: none;
}

.page-faq .faq-strip {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.page-faq .faq-strip .container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
}
.page-faq .faq-strip-item {
  background: var(--color-bg-secondary);
  padding: 20px 16px;
}
.page-faq .faq-strip-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-accent);
}
.page-faq .faq-strip-item:last-child .faq-strip-num {
  color: var(--color-accent-hot);
}
.page-faq .faq-strip-label {
  display: block;
  margin-top: 6px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.page-faq .faq-body {
  padding: 56px 0 72px;
}
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.page-faq .faq-index-head {
  margin-bottom: 16px;
}
.page-faq .faq-index-kicker {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  text-transform: uppercase;
}
.page-faq .faq-index-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--color-text-main);
}
.page-faq .faq-index-sub {
  margin: 6px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
}
.page-faq .faq-index-nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-faq .faq-index-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg-secondary);
  color: var(--color-text-main);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}
.page-faq .faq-index-link:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-light);
  background: var(--color-surface);
}
.page-faq .faq-index-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.page-faq .faq-index-link-num {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
}
.page-faq .faq-index-link-text {
  flex: 1 1 auto;
}
.page-faq .faq-index-link--nav .faq-index-link-num {
  color: var(--color-accent);
}
.page-faq .faq-index-link--device .faq-index-link-num {
  color: var(--color-accent-hot);
}
.page-faq .faq-index-link--data .faq-index-link-num {
  color: var(--color-link);
}
.page-faq .faq-index-link--account .faq-index-link-num {
  color: var(--color-warning);
}
.page-faq .faq-index-card {
  margin-top: 20px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--color-surface) 0%, var(--color-bg-secondary) 70%);
}
.page-faq .faq-index-card-title {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--color-text-main);
}
.page-faq .faq-index-card-text {
  margin: 0 0 10px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.65;
}
.page-faq .faq-index-card-divider {
  height: 1px;
  margin: 18px 0;
  background: var(--color-border);
}
.page-faq .btn--block {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
}

.page-faq .faq-content {
  min-width: 0;
}
.page-faq .faq-section {
  --faq-section-color: var(--color-accent);
  scroll-margin-top: 96px;
  margin-top: 48px;
}
.page-faq .faq-section--nav {
  --faq-section-color: var(--color-accent);
}
.page-faq .faq-section--device {
  --faq-section-color: var(--color-accent-hot);
}
.page-faq .faq-section--data {
  --faq-section-color: var(--color-link);
}
.page-faq .faq-section--account {
  --faq-section-color: var(--color-warning);
}
.page-faq .faq-section:first-child {
  margin-top: 0;
}
.page-faq .faq-section::before {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: var(--radius-pill);
  background: var(--faq-section-color);
  transform: skewX(-22deg);
}
.page-faq .faq-section:target .faq-section-head {
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, rgba(57, 255, 136, 0.07), transparent);
}
.page-faq .faq-section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.page-faq .faq-section-mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  background: var(--color-surface);
  color: var(--color-text-secondary);
}
.page-faq .faq-section--nav .faq-section-mark {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}
.page-faq .faq-section--device .faq-section-mark {
  background: var(--color-accent-hot);
  color: var(--color-bg-primary);
}
.page-faq .faq-section--data .faq-section-mark {
  background: var(--color-link);
  color: var(--color-text-main);
}
.page-faq .faq-section--account .faq-section-mark {
  background: var(--color-warning);
  color: var(--color-bg-primary);
}
.page-faq .faq-section-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.25;
  color: var(--color-text-main);
}
.page-faq .faq-section-sub {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.page-faq .faq-list {
  display: grid;
  gap: 14px;
}
.page-faq .faq-qa {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.page-faq .faq-qa[open] {
  border-color: rgba(57, 255, 136, 0.35);
  box-shadow: var(--shadow-sm);
}
.page-faq .faq-section--device .faq-qa[open] {
  border-color: rgba(255, 138, 41, 0.35);
}
.page-faq .faq-section--data .faq-qa[open] {
  border-color: rgba(91, 130, 199, 0.5);
}
.page-faq .faq-section--account .faq-qa[open] {
  border-color: rgba(255, 200, 74, 0.4);
}
.page-faq .faq-qa summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  cursor: pointer;
  transition: background 0.2s;
}
.page-faq .faq-qa summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-qa summary::marker {
  content: "";
}
.page-faq .faq-qa summary:hover {
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.page-faq .faq-qa summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}
.page-faq .faq-qa-num {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
}
.page-faq .faq-section--device .faq-qa-num {
  color: var(--color-accent-hot);
}
.page-faq .faq-section--data .faq-qa-num {
  color: var(--color-link);
}
.page-faq .faq-section--account .faq-qa-num {
  color: var(--color-warning);
}
.page-faq .faq-qa-title {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text-main);
}
.page-faq .faq-qa-icon {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-right: 4px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  transition: transform 0.25s;
}
.page-faq .faq-qa[open] .faq-qa-icon {
  transform: rotate(-135deg);
}
.page-faq .faq-qa-body {
  padding: 0 18px 22px 62px;
  color: var(--color-text-secondary);
  font-size: 14.5px;
  line-height: 1.75;
}
.page-faq .faq-qa-body p {
  margin: 0 0 8px;
}
.page-faq .faq-qa-body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-faq .faq-step-num {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
}

.page-faq .faq-figure {
  margin: 0 0 20px;
  max-width: 720px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-secondary);
  overflow: hidden;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  color: var(--color-text-muted);
  font-size: 13px;
}
.page-faq .faq-figure figcaption::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.page-faq .faq-cta {
  padding: 0 0 72px;
}
.page-faq .faq-cta-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 32px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(130deg, var(--color-surface) 0%, var(--color-bg-secondary) 70%);
}
.page-faq .faq-cta-title {
  margin: 0 0 6px;
  font-size: 20px;
  color: var(--color-text-main);
}
.page-faq .faq-cta-text {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.65;
}
.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 768px) {
  .page-faq .faq-strip .container {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-faq .faq-strip-item {
    padding: 24px 20px;
  }
  .page-faq .faq-cta-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 40px 36px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    min-height: 520px;
    padding: 160px 0 72px;
  }
  .page-faq .faq-hero-art {
    display: block;
    position: absolute;
    right: 20px;
    bottom: 24px;
    width: 460px;
    height: auto;
    pointer-events: none;
  }
  .page-faq .faq-hero-grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
  }
  .page-faq .faq-strip-item {
    padding: 28px 24px;
  }
  .page-faq .faq-body {
    padding: 72px 0 96px;
  }
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }
  .page-faq .faq-index-nav {
    flex-direction: column;
    overflow-x: visible;
  }
  .page-faq .faq-index-link {
    display: flex;
    width: 100%;
    padding: 14px 16px 14px 14px;
    border-radius: var(--radius-md);
  }
  .page-faq .faq-section-title {
    font-size: 28px;
  }
}