.page-faq {
  --faq-deep: rgba(10, 14, 26, 0.38);
  --faq-soft: rgba(10, 14, 26, 0.24);
  --faq-cyan-soft: rgba(0, 212, 255, 0.08);
  background-color: var(--primary-blue);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  padding: 16px 20px 72px;
  min-height: 72vh;
}

.page-faq .faq-breadcrumb,
.page-faq .faq-hero,
.page-faq .faq-legend,
.page-faq .faq-main-grid,
.page-faq .faq-bottom-cta {
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.page-faq .faq-breadcrumb {
  padding-top: 10px;
  font-family: var(--font-mono);
}

.page-faq .breadcrumb-sep {
  margin: 0 4px;
  color: var(--text-secondary);
  opacity: 0.6;
}

.page-faq .breadcrumb-current {
  color: var(--text-primary);
}

.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 36px 0 24px;
}

.page-faq .faq-hero-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--small-size);
  letter-spacing: 0.16em;
  color: var(--neon-cyan);
  text-transform: uppercase;
}

.page-faq .faq-title {
  margin: 0 0 14px;
  font-family: var(--font-headline);
  font-size: var(--h1-size);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.page-faq .faq-hero-desc {
  max-width: 600px;
  margin: 0 0 18px;
  color: var(--text-secondary);
  font-size: var(--body-size);
  line-height: 1.7;
}

.page-faq .faq-hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero-meta-text {
  color: var(--text-secondary);
  font-size: var(--small-size);
}

.page-faq .faq-console {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 14px 14px 18px;
  border: 2px solid var(--border-rgba);
  border-bottom-color: rgba(0, 212, 255, 0.7);
  background: var(--ink-dark);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.25);
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.page-faq .faq-console::after {
  content: '';
  position: absolute;
  top: 0;
  left: -70%;
  width: 45%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(0, 212, 255, 0.22), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
  pointer-events: none;
}

.page-faq .faq-console:hover {
  border-color: var(--neon-cyan);
  box-shadow: 10px 10px 0 rgba(0, 212, 255, 0.14);
}

.page-faq .faq-console:hover::after {
  left: 130%;
}

.page-faq .faq-console-icon {
  flex: 0 0 auto;
  color: var(--neon-cyan);
}

.page-faq .faq-console-placeholder {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-secondary);
  font-size: var(--body-size);
}

.page-faq .faq-console-btn {
  flex: 0 0 auto;
  padding: 12px 16px;
  background: var(--vibrant-orange);
  color: var(--ink-dark);
  font-weight: 700;
  font-size: var(--small-size);
  line-height: 1;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-faq .faq-console-hint {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: var(--small-size);
  color: var(--text-secondary);
  line-height: 1.6;
}

.page-faq .faq-route {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding-top: 10px;
  scrollbar-width: none;
}

.page-faq .faq-route::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-route-node {
  flex: 0 0 auto;
  padding: 3px 7px;
  border: 1px solid rgba(0, 212, 255, 0.35);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-cyan);
  white-space: nowrap;
}

.page-faq .faq-route-line {
  flex: 1 1 auto;
  min-width: 12px;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(0, 212, 255, 0.5) 0 6px, transparent 6px 12px);
}

.page-faq .faq-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 16px 0;
  margin-bottom: 28px;
  border-top: 1px solid var(--border-rgba);
  border-bottom: 1px solid var(--border-rgba);
}

.page-faq .faq-legend-label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: var(--small-size);
  color: var(--neon-cyan);
  letter-spacing: 0.1em;
}

.page-faq .faq-main-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  scroll-margin-top: calc(var(--header-height) + 18px);
}

.page-faq .faq-cat-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-faq .faq-index-panel {
  padding: 18px;
  border: 2px solid var(--border-rgba);
  background: var(--faq-deep);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.18);
}

.page-faq .faq-index-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 10px;
  border-bottom: 2px solid var(--border-rgba);
}

.page-faq .faq-index-title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: var(--h3-size);
  font-weight: 700;
  color: var(--text-primary);
}

.page-faq .faq-index-code-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-cyan);
  letter-spacing: 0.12em;
}

.page-faq .faq-index-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 212, 255, 0.4) transparent;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 10px 14px;
  border: 1px solid var(--border-rgba);
  border-left: 3px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.page-faq .faq-index-link:hover {
  background: rgba(27, 79, 219, 0.28);
  color: var(--text-primary);
  border-left-color: var(--neon-cyan);
}

.page-faq .faq-index-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-cyan);
  min-width: 36px;
}

.page-faq .faq-index-name {
  flex: 1 1 auto;
}

.page-faq .faq-index-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  opacity: 0.8;
}

.page-faq .faq-panel-area {
  min-width: 0;
}

.page-faq .faq-filter-status {
  margin-bottom: 18px;
  padding: 10px 14px;
  border: 2px dashed var(--border-rgba);
  background: var(--faq-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
}

.page-faq .faq-status-text {
  display: none;
}

.page-faq .faq-group {
  padding: 24px 20px;
  margin-bottom: 28px;
  border: 2px solid var(--border-rgba);
  background: var(--faq-deep);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.18);
  transition: border-color 0.25s;
}

.page-faq .faq-group:hover {
  border-color: rgba(0, 212, 255, 0.5);
}

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--border-rgba);
}

.page-faq .faq-group-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-cyan);
  padding: 4px 8px;
  border: 2px solid rgba(0, 212, 255, 0.35);
  letter-spacing: 0.08em;
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: var(--h2-size);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.page-faq .faq-group-lead {
  margin: 0 0 18px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq figure {
  margin: 0 0 20px;
  padding: 10px;
  border: 2px solid var(--border-rgba);
  background: var(--faq-soft);
}

.page-faq figure img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-faq figure figcaption {
  padding: 12px 4px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.page-faq .faq-flow-img {
  width: 100%;
}

.page-faq .faq-version-img {
  width: 500px;
  max-width: 100%;
}

.page-faq .faq-item {
  margin-bottom: 14px;
  border: 2px solid var(--border-rgba);
  border-left: 4px solid rgba(255, 255, 255, 0.22);
  background: rgba(10, 14, 26, 0.25);
  transition: border-color 0.25s, background 0.25s;
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 212, 255, 0.4);
  border-left-color: var(--neon-cyan);
  background: var(--faq-cyan-soft);
}

.page-faq .faq-item summary {
  position: relative;
  padding: 16px 52px 16px 18px;
  list-style: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
}

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

.page-faq .faq-item summary::before {
  content: 'Q';
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--neon-cyan);
}

.page-faq .faq-item summary::after {
  content: '+';
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--neon-cyan);
  transition: transform 0.25s;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 3px solid var(--neon-cyan);
  outline-offset: -3px;
}

.page-faq .faq-answer {
  padding: 14px 18px 20px;
  margin-left: 18px;
  border-left: 2px solid rgba(0, 212, 255, 0.28);
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

.page-faq .faq-cross-link {
  display: inline-block;
  margin-top: 4px;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(0, 212, 255, 0.45);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}

.page-faq .faq-cross-link:hover {
  border-bottom-color: var(--neon-cyan);
  background: var(--faq-cyan-soft);
}

.page-faq .faq-contact-card {
  margin-bottom: 18px;
  padding: 6px 18px 8px;
  border: 2px solid var(--border-rgba);
  background: rgba(27, 79, 219, 0.14);
}

.page-faq .faq-contact-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
}

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

.page-faq .faq-contact-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--neon-cyan);
}

.page-faq .faq-contact-value {
  color: var(--text-primary);
  font-size: 14px;
  word-break: break-all;
}

.page-faq .faq-bottom-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  margin-top: 40px;
  padding: 28px 24px;
  border: 2px solid rgba(255, 107, 44, 0.45);
  background: linear-gradient(120deg, rgba(255, 107, 44, 0.14), rgba(27, 79, 219, 0.22) 56%, rgba(0, 212, 255, 0.12));
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.22);
}

.page-faq .faq-cta-title {
  margin: 0 0 6px;
  font-family: var(--font-headline);
  font-size: var(--h3-size);
  font-weight: 700;
  color: var(--text-primary);
}

.page-faq .faq-cta-desc {
  max-width: 560px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.65;
}

.page-faq .faq-cta-btn {
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
  text-decoration: none;
}

.page-faq .faq-cta-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -70%;
  width: 40%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  pointer-events: none;
}

.page-faq .faq-cta-btn:hover::after {
  left: 130%;
}

.page-faq .faq-cat-input:checked ~ .faq-panel-area .faq-group {
  display: none;
}

.page-faq #faq-cat-all:checked ~ .faq-panel-area .faq-group,
.page-faq #faq-cat-quick:checked ~ .faq-panel-area #quick-lookup,
.page-faq #faq-cat-activity:checked ~ .faq-panel-area #activity-limit,
.page-faq #faq-cat-apple:checked ~ .faq-panel-area #apple-support,
.page-faq #faq-cat-download:checked ~ .faq-panel-area #download-files,
.page-faq #faq-cat-version:checked ~ .faq-panel-area #version-help,
.page-faq #faq-cat-contact:checked ~ .faq-panel-area #contact-service {
  display: block;
}

.page-faq #faq-cat-all:checked ~ .faq-index-panel label[for="faq-cat-all"],
.page-faq #faq-cat-quick:checked ~ .faq-index-panel label[for="faq-cat-quick"],
.page-faq #faq-cat-activity:checked ~ .faq-index-panel label[for="faq-cat-activity"],
.page-faq #faq-cat-apple:checked ~ .faq-index-panel label[for="faq-cat-apple"],
.page-faq #faq-cat-download:checked ~ .faq-index-panel label[for="faq-cat-download"],
.page-faq #faq-cat-version:checked ~ .faq-index-panel label[for="faq-cat-version"],
.page-faq #faq-cat-contact:checked ~ .faq-index-panel label[for="faq-cat-contact"] {
  background: var(--faq-cyan-soft);
  border-left-color: var(--neon-cyan);
  color: var(--text-primary);
}

.page-faq #faq-cat-all:focus-visible ~ .faq-index-panel label[for="faq-cat-all"],
.page-faq #faq-cat-quick:focus-visible ~ .faq-index-panel label[for="faq-cat-quick"],
.page-faq #faq-cat-activity:focus-visible ~ .faq-index-panel label[for="faq-cat-activity"],
.page-faq #faq-cat-apple:focus-visible ~ .faq-index-panel label[for="faq-cat-apple"],
.page-faq #faq-cat-download:focus-visible ~ .faq-index-panel label[for="faq-cat-download"],
.page-faq #faq-cat-version:focus-visible ~ .faq-index-panel label[for="faq-cat-version"],
.page-faq #faq-cat-contact:focus-visible ~ .faq-index-panel label[for="faq-cat-contact"] {
  outline: 3px solid var(--neon-cyan);
  outline-offset: 2px;
}

.page-faq #faq-cat-all:checked ~ .faq-panel-area #status-all,
.page-faq #faq-cat-quick:checked ~ .faq-panel-area #status-quick,
.page-faq #faq-cat-activity:checked ~ .faq-panel-area #status-activity,
.page-faq #faq-cat-apple:checked ~ .faq-panel-area #status-apple,
.page-faq #faq-cat-download:checked ~ .faq-panel-area #status-download,
.page-faq #faq-cat-version:checked ~ .faq-panel-area #status-version,
.page-faq #faq-cat-contact:checked ~ .faq-panel-area #status-contact {
  display: inline;
}

@media (min-width: 600px) {
  .page-faq .faq-contact-row {
    flex-direction: row;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-bottom-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 48px;
    align-items: end;
    padding: 48px 0 30px;
  }

  .page-faq .faq-route {
    grid-column: 1 / -1;
  }

  .page-faq .faq-main-grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 32px;
  }

  .page-faq .faq-index-panel {
    position: sticky;
    top: calc(var(--header-height) + 20px);
  }

  .page-faq .faq-index-nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-link {
    width: 100%;
    padding: 12px 10px;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 3px solid transparent;
    white-space: normal;
  }

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

  .page-faq .faq-group {
    padding: 28px 28px 24px;
  }
}