.page-faq {
  --faq-card-bg: linear-gradient(180deg, rgba(18, 32, 68, 0.78) 0%, rgba(10, 17, 40, 0.55) 100%);
  --faq-chip-bg: rgba(0, 229, 255, 0.08);
  padding: 36px 0 80px;
  background:
    radial-gradient(circle at 85% 10%, rgba(0, 229, 255, 0.12) 0%, transparent 32%),
    radial-gradient(circle at 10% 55%, rgba(255, 107, 26, 0.10) 0%, transparent 34%),
    linear-gradient(180deg, rgba(10, 17, 40, 0.6) 0%, rgba(22, 41, 90, 0.3) 100%);
}

.page-faq .container {
  padding-inline: 20px;
}

.page-faq .breadcrumb {
  margin-bottom: 24px;
}

.page-faq a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-bottom: 24px;
}

.page-faq .faq-hero-copy {
  max-width: 680px;
}

.page-faq .faq-hero-description {
  margin-top: 14px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero-meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 14px;
  color: var(--text-sub);
}

.page-faq .faq-hero-meta-num {
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
}

.page-faq .faq-hero-meta-num--accent {
  color: var(--accent);
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-hero-media {
  margin: 0;
}

.page-faq .faq-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-faq .faq-quickbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--faq-card-bg);
  box-shadow: var(--shadow);
}

.page-faq .faq-quickbar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
}

.page-faq .faq-quickbar-hint {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
}

.page-faq .faq-quickbar-sep {
  width: 1px;
  height: 20px;
  background: var(--line);
}

.page-faq .faq-quickbar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-quickbar-tag {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-sub);
  font-size: 13px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq .faq-quickbar-tag:hover,
.page-faq .faq-quickbar-tag:focus-visible {
  color: var(--cyan);
  border-color: rgba(0, 229, 255, 0.5);
  background: var(--faq-chip-bg);
}

.page-faq .faq-grid {
  display: block;
}

.page-faq .faq-sidebar {
  margin-bottom: 28px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-card-bg);
  box-shadow: var(--shadow);
}

.page-faq .faq-sidebar-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-main);
  text-transform: uppercase;
}

.page-faq .faq-sidebar-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-faq .faq-sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  color: var(--text-sub);
  font-size: 15px;
  border-bottom: 1px dashed var(--line);
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-faq .faq-sidebar-link:hover,
.page-faq .faq-sidebar-link:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-faq .faq-sidebar-num {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.page-faq .faq-sidebar-btn {
  width: 100%;
  margin-bottom: 14px;
}

.page-faq .faq-sidebar-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-sub);
}

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

.page-faq .faq-section {
  margin-bottom: 28px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-card-bg);
  box-shadow: var(--shadow);
}

.page-faq .faq-section-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 4px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section-index {
  font-family: var(--font-data);
  font-size: 40px;
  font-weight: 700;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 107, 26, 0.6);
}

.page-faq .faq-section-copy {
  min-width: 0;
}

.page-faq .faq-section-title {
  margin: 0 0 6px;
  font-size: 24px;
  line-height: 1.2;
}

.page-faq .faq-section-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-sub);
}

.page-faq .faq-list {
  margin-top: 4px;
}

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

.page-faq .faq-item:last-child {
  border-bottom: none;
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 40px 18px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
  color: var(--text-main);
  transition: color 0.25s var(--ease);
}

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

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--cyan);
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 700;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  content: "×";
  transform: translateY(-50%) rotate(45deg);
  color: var(--accent);
  border-color: var(--accent);
}

.page-faq .faq-item-badge {
  display: inline-grid;
  place-items: center;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.3);
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-item-badge {
  color: var(--accent);
  background: rgba(255, 107, 26, 0.12);
  border-color: rgba(255, 107, 26, 0.4);
}

.page-faq .faq-item-text {
  min-width: 0;
}

.page-faq .faq-answer {
  padding: 2px 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-sub);
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
}

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

.page-faq .faq-strong {
  color: var(--accent);
  font-weight: 500;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  counter-reset: faq-step;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faq-step;
  margin-top: 10px;
  padding-left: 34px;
  color: var(--text-sub);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 2px;
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg-elevated);
  color: var(--accent);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-version-layout {
  display: grid;
  gap: 24px;
}

.page-faq .faq-version-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .faq-version-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--text-sub);
}

.page-faq .faq-version-list li:last-child {
  border-bottom: none;
}

.page-faq .faq-version-code {
  padding: 3px 12px;
  border: 1px solid rgba(255, 107, 26, 0.3);
  border-radius: 999px;
  background: rgba(255, 107, 26, 0.12);
  color: var(--accent);
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-visual {
  margin: 0;
}

.page-faq .faq-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.page-faq .faq-visual figcaption {
  margin-top: 12px;
  padding: 10px 14px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 10px;
  background: rgba(0, 229, 255, 0.08);
  font-size: 13px;
  color: var(--text-sub);
  text-align: center;
}

.page-faq .faq-cta {
  display: grid;
  gap: 20px;
  margin-top: 32px;
  padding: 32px 24px;
  border: 1px solid rgba(255, 107, 26, 0.35);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 107, 26, 0.16) 0%, rgba(18, 32, 68, 0.85) 55%, rgba(0, 229, 255, 0.14) 100%);
  box-shadow: var(--shadow);
}

.page-faq .faq-cta h2 {
  margin: 6px 0 14px;
  font-size: 26px;
  line-height: 1.2;
}

.page-faq .faq-cta-text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-sub);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .faq-cta-note {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-faq .faq-cta-note p {
  margin: 0;
}

.page-faq .faq-cta-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (min-width: 860px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 48px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: center;
  }

  .page-faq .faq-cta-note {
    align-self: stretch;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-grid {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-bottom: 0;
  }

  .page-faq .faq-section {
    padding: 32px 28px;
  }

  .page-faq .faq-version-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-version-layout {
    grid-template-columns: minmax(0, 1fr) 360px;
  }
}