.page-faq {
  --faq-shadow: 6px 6px 0 rgba(26, 26, 46, 0.1);
  --faq-shadow-accent: 6px 6px 0 #FF6B35;
  background: var(--bg);
  color: var(--text);
}

.page-faq .faq-hero {
  padding: 24px 0 0;
  position: relative;
}

.page-faq .breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  font-size: 0.85rem;
  color: #6C757D;
}

.page-faq .breadcrumb a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .breadcrumb li + li::before {
  content: '/';
  margin-right: 6px;
  color: #ADB5BD;
}

.page-faq .eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.3);
  padding: 4px 10px;
  margin-bottom: 12px;
}

.page-faq .page-title {
  margin: 0 0 14px;
  font-size: clamp(2.2rem, 8vw, 3.8rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-faq .page-lead {
  font-size: 1.02rem;
  line-height: 1.7;
  color: #4A5568;
  max-width: 660px;
  margin: 0;
}

.page-faq .faq-hero-banner {
  margin: 24px 0 0;
}

.page-faq .faq-hero-banner .media {
  border: 2px solid var(--text);
  box-shadow: 8px 8px 0 rgba(30, 144, 255, 0.25);
  background: #E9ECEF;
}

.page-faq .faq-hero-banner img,
.page-faq .faq-version-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-layout {
  padding: 32px 0 56px;
}

.page-faq .faq-sidebar {
  margin-bottom: 32px;
}

.page-faq .faq-menu {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 8px;
  background: #FFFFFF;
  border: 2px solid var(--text);
  box-shadow: var(--faq-shadow);
}

.page-faq .filter-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-faq .filter-btn::before {
  content: '';
  width: 8px;
  height: 8px;
  background: #E2E8F0;
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.page-faq .filter-btn:hover {
  background: #F1F4F8;
  border-color: #E2E8F0;
}

.page-faq .filter-btn.is-active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--text);
  box-shadow: 3px 3px 0 var(--text);
}

.page-faq .filter-btn.is-active::before {
  background: var(--accent);
}

.page-faq .faq-help-card {
  margin-top: 16px;
  padding: 20px;
  background: var(--text);
  color: #F8F9FA;
  border: 2px solid var(--text);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-help-card .marker {
  display: inline-block;
  background: var(--accent);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  margin-bottom: 12px;
}

.page-faq .faq-help-card p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: #CBD5E0;
  margin: 0;
}

.page-faq .faq-help-card a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  text-underline-offset: 2px;
}

.page-faq .faq-help-card a:hover {
  text-decoration: underline;
}

.page-faq .faq-group {
  margin-bottom: 44px;
}

.page-faq .faq-group .section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  align-items: end;
  border-bottom: 3px solid var(--text);
  border-left: 6px solid var(--primary);
  padding: 0 0 12px 14px;
  margin-bottom: 14px;
}

.page-faq .faq-group[data-category="data"] .section-head {
  border-left-color: var(--primary);
}

.page-faq .faq-group[data-category="version"] .section-head {
  border-left-color: var(--accent);
}

.page-faq .faq-group[data-category="device"] .section-head {
  border-left-color: var(--secondary);
}

.page-faq .faq-group[data-category="account"] .section-head {
  border-left-color: var(--text);
}

.page-faq .section-index {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.page-faq .section-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

.page-faq .section-copy {
  grid-column: 2;
  font-size: 0.86rem;
  color: #6C757D;
  line-height: 1.5;
  margin: 4px 0 0;
}

.page-faq .faq-item {
  border: 2px solid #E2E8F0;
  background: #FFFFFF;
  margin-bottom: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--text);
  box-shadow: 4px 4px 0 rgba(30, 144, 255, 0.2);
}

.page-faq .faq-item summary {
  padding: 16px 18px;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  user-select: none;
}

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

.page-faq .faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
}

.page-faq .faq-item[open] summary::after {
  content: '−';
}

.page-faq .faq-item summary:hover {
  background: #F8FAFC;
}

.page-faq .faq-answer {
  border-top: 2px dashed var(--border);
  padding: 14px 18px 18px;
}

.page-faq .faq-answer p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #4A5568;
}

.page-faq .faq-answer a {
  color: var(--primary);
  font-weight: 600;
  text-underline-offset: 2px;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-size: 0.88em;
  font-weight: 600;
  color: var(--accent);
  background: rgba(255, 107, 53, 0.09);
  border-radius: 2px;
  padding: 2px 6px;
  white-space: nowrap;
}

.page-faq .faq-version-image {
  margin: 18px 0 0;
  border: 2px solid var(--text);
  box-shadow: var(--faq-shadow-accent);
  background: #E9ECEF;
}

.page-faq .faq-trust {
  padding-bottom: 64px;
}

.page-faq .note-box {
  padding: 18px 20px;
  background: #F1F4F8;
  border: 2px solid #E2E8F0;
  border-left: 6px solid var(--secondary);
}

.page-faq .note-box p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text);
}

.page-faq .note-box strong {
  color: #0B8A6A;
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 40px 0 0;
  }

  .page-faq .page-title {
    font-size: clamp(2.8rem, 5vw, 4.3rem);
  }

  .page-faq .page-lead {
    font-size: 1.08rem;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding: 56px 0 80px;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 96px;
    margin-bottom: 0;
  }

  .page-faq .faq-menu {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-group {
    margin-bottom: 56px;
  }

  .page-faq .faq-group .section-head {
    align-items: center;
  }

  .page-faq .section-index {
    font-size: 2.2rem;
  }
}