.page-faq {
  --faq-border: rgba(163, 163, 176, 0.22);
  --faq-glow-pink: 0 0 24px rgba(255, 79, 139, 0.3);
  --faq-glow-blue: 0 0 18px rgba(0, 212, 255, 0.2);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.6;
  padding: 24px 16px 64px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

.page-faq .faq-wrap {
  display: flex;
  flex-direction: column;
}

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

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq .breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--gray);
}

.page-faq .breadcrumb-link {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s;
}

.page-faq .breadcrumb-link:hover {
  color: var(--pink);
}

.page-faq .breadcrumb-current {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .faq-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-border);
  background:
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.2), transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255, 79, 139, 0.15), transparent 60%),
    var(--bg-panel);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.16), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-kicker {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, rgba(255, 79, 139, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(255, 79, 139, 0.4);
  border-radius: var(--radius-pill);
  color: var(--paper);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1.25;
  color: var(--paper);
  text-shadow: 0 0 24px rgba(255, 79, 139, 0.4);
  margin: 20px 0 0;
}

.page-faq .faq-lead {
  margin-top: 14px;
  font-size: 15px;
  color: var(--gray);
  max-width: 68ch;
}

.page-faq .faq-hero-side {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-hero-stat {
  flex: 1 1 90px;
  padding: 16px 12px;
  background: rgba(20, 20, 28, 0.8);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.page-faq .faq-hero-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 900;
  color: var(--pink);
  text-shadow: 0 0 18px rgba(255, 79, 139, 0.5);
  line-height: 1.1;
}

.page-faq .faq-hero-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--gray);
}

.page-faq .faq-tabs-section {
  margin-top: 48px;
  padding: 24px 16px;
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-border);
}

.page-faq .faq-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-bottom: 24px;
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-section-head p {
  color: var(--gray);
  font-size: 14px;
  margin: 6px 0 0;
}

.page-faq .faq-section-head .btn {
  margin-left: auto;
}

.page-faq .faq-tabs {
  position: relative;
}

.page-faq .faq-tab-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-tab-labels {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--faq-border);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-tab-label {
  flex: 0 0 auto;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--gray);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  user-select: none;
}

.page-faq .faq-tab-label:hover {
  color: var(--paper);
}

.page-faq .faq-tab-input:checked ~ .faq-tab-labels label[for="tab-login"] {
  color: var(--pink);
  border-bottom-color: var(--pink);
  background: linear-gradient(to top, rgba(255, 79, 139, 0.12), transparent 60%);
}

.page-faq .faq-tab-input:checked ~ .faq-tab-labels label[for="tab-entry"] {
  color: var(--amber);
  border-bottom-color: var(--amber);
  background: linear-gradient(to top, rgba(255, 197, 61, 0.12), transparent 60%);
}

.page-faq .faq-tab-input:checked ~ .faq-tab-labels label[for="tab-download"] {
  color: var(--blue);
  border-bottom-color: var(--blue);
  background: linear-gradient(to top, rgba(0, 212, 255, 0.12), transparent 60%);
}

.page-faq .faq-tab-input:checked ~ .faq-tab-labels label[for="tab-content"] {
  color: var(--violet-soft);
  border-bottom-color: var(--violet);
  background: linear-gradient(to top, rgba(139, 92, 246, 0.14), transparent 60%);
}

.page-faq .faq-tabs:focus-within .faq-tab-labels {
  outline: 2px solid rgba(255, 79, 139, 0.6);
  outline-offset: -2px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.page-faq .faq-tab-panel {
  display: none;
  padding-top: 20px;
}

.page-faq #tab-login:checked ~ .faq-tab-panels .faq-tab-panel--login,
.page-faq #tab-entry:checked ~ .faq-tab-panels .faq-tab-panel--entry,
.page-faq #tab-download:checked ~ .faq-tab-panels .faq-tab-panel--download,
.page-faq #tab-content:checked ~ .faq-tab-panels .faq-tab-panel--content {
  display: block;
  animation: faq-panel-in 0.18s ease-out;
}

@keyframes faq-panel-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-qa-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-qa-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-md);
  scroll-margin-top: 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.page-faq .faq-qa-item:hover {
  border-color: rgba(255, 79, 139, 0.35);
}

.page-faq .faq-qa-item:target {
  border-color: var(--blue);
  box-shadow: var(--faq-glow-blue);
}

.page-faq .faq-qa-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
  color: var(--violet-soft);
  line-height: 1;
  padding-top: 6px;
}

.page-faq .faq-qa-body h3 {
  font-size: 16px;
  margin: 0 0 6px;
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
}

.page-faq .faq-qa-details {
  font-size: 14px;
  color: var(--gray);
}

.page-faq .faq-qa-details summary {
  cursor: pointer;
  user-select: none;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.page-faq .faq-qa-details summary::before {
  content: "▸";
  transition: transform 0.2s;
}

.page-faq .faq-qa-details[open] summary::before {
  content: "▾";
}

.page-faq .faq-qa-answer {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-border);
}

.page-faq .faq-qa-answer p {
  margin: 0;
  line-height: 1.75;
}

.page-faq .faq-ios-section {
  margin-top: 48px;
  padding: 32px 20px;
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 79, 139, 0.06), transparent 40%);
}

.page-faq .faq-section-index {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: var(--pink);
  text-shadow: 0 0 20px rgba(255, 79, 139, 0.5);
  line-height: 1;
}

.page-faq .faq-workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-workbench-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-step-link {
  flex: 0 0 auto;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray);
  text-decoration: none;
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  background: var(--bg-panel);
  transition: color 0.2s, border-color 0.2s;
}

.page-faq .faq-step-link span {
  color: var(--blue);
  margin-right: 6px;
}

.page-faq .faq-step-link:hover {
  color: var(--paper);
  border-color: rgba(255, 79, 139, 0.5);
}

.page-faq .faq-workbench-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-step-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-md);
  padding: 20px;
  scroll-margin-top: 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.page-faq .faq-step-card:hover {
  border-color: rgba(139, 92, 246, 0.45);
}

.page-faq .faq-step-card:target {
  border-color: var(--pink);
  box-shadow: var(--faq-glow-pink);
}

.page-faq .faq-step-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 800;
  color: var(--violet-soft);
  line-height: 1;
  display: block;
  margin-bottom: 10px;
}

.page-faq .faq-step-body h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
}

.page-faq .faq-step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-ios-visual {
  margin-top: 24px;
  text-align: center;
}

.page-faq .faq-ios-img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-border);
  object-fit: cover;
}

.page-faq .faq-visual-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--gray);
  text-align: center;
}

.page-faq .faq-entry-section {
  margin-top: 48px;
  padding: 32px 20px;
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 197, 61, 0.07), transparent 40%);
}

.page-faq .faq-entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-entry-card {
  background: var(--bg-panel);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}

.page-faq .faq-entry-card:hover {
  border-color: rgba(255, 197, 61, 0.5);
  transform: translateY(-2px);
}

.page-faq .faq-entry-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  color: var(--blue);
  display: block;
  margin-bottom: 8px;
}

.page-faq .faq-entry-card h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
}

.page-faq .faq-entry-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-entry-visual {
  margin-top: 24px;
  text-align: center;
}

.page-faq .faq-entry-img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-border);
  object-fit: cover;
}

.page-faq .faq-contact-section {
  margin-top: 48px;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-border);
  background:
    radial-gradient(ellipse at 70% 20%, rgba(139, 92, 246, 0.2), transparent 60%),
    linear-gradient(135deg, rgba(255, 79, 139, 0.12), rgba(139, 92, 246, 0.08) 50%, rgba(0, 212, 255, 0.06));
}

.page-faq .faq-contact-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  border: 1px solid rgba(255, 197, 61, 0.4);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 197, 61, 0.08);
}

.page-faq .faq-contact-section h2 {
  font-size: 28px;
  font-weight: 900;
  color: var(--paper);
  font-family: var(--font-display);
  margin: 14px 0 0;
}

.page-faq .faq-contact-desc {
  color: var(--gray);
  font-size: 14px;
  margin: 10px 0 0;
  max-width: 60ch;
}

.page-faq .faq-contact-list {
  margin: 16px 0 24px;
  padding: 0 0 0 20px;
  color: var(--paper);
  font-size: 14px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-contact-list li::marker {
  color: var(--pink);
}

.page-faq .faq-contact-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--gray);
  border-top: 1px dashed var(--faq-border);
  padding-top: 12px;
}

@media (min-width: 640px) {
  .page-faq {
    padding: 32px 24px 80px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    padding: 48px 32px;
  }

  .page-faq .faq-hero-side {
    flex-direction: column;
    min-width: 150px;
  }

  .page-faq .faq-hero h1 {
    font-size: 40px;
  }

  .page-faq .faq-workbench-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-ios-img {
    max-width: 340px;
  }

  .page-faq .faq-entry-img {
    max-width: 480px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero h1 {
    font-size: 44px;
  }

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

  .page-faq .faq-qa-item {
    grid-template-columns: 56px 1fr;
    padding: 20px 24px;
  }

  .page-faq .faq-workbench {
    grid-template-columns: 200px 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-workbench-index {
    flex-direction: column;
    align-items: stretch;
    border-left: 2px solid rgba(0, 212, 255, 0.35);
    padding-left: 0;
    overflow-x: visible;
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-step-link {
    border: none;
    border-radius: 0;
    background: transparent;
    padding: 10px 0 10px 14px;
    border-bottom: 1px dashed var(--faq-border);
    white-space: normal;
    position: relative;
  }

  .page-faq .faq-step-link::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
    transform: translateY(-50%);
    transition: background 0.2s, box-shadow 0.2s;
  }

  .page-faq .faq-step-link:hover::before {
    background: var(--pink);
    box-shadow: var(--faq-glow-pink);
  }

  .page-faq .faq-entry-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-ios-section,
  .page-faq .faq-entry-section,
  .page-faq .faq-contact-section {
    padding: 40px 32px;
  }
}