.page-faq {
  --faq-bg: #0A1628;
  --faq-panel: #112233;
  --faq-card: #1B3A5C;
  --faq-cyan: #00E5FF;
  --faq-green: #00FF9F;
  --faq-orange: #FF6B35;
  --faq-red: #FF4D6D;
  --faq-gold: #FFD700;
  --faq-text: #E6F0FA;
  --faq-muted: #8A9BB0;
  --faq-border: 3px;
  --faq-shadow: 6px 6px 0px 0px rgba(0, 0, 0, 0.8);
  --faq-font-heading: "Chakra Petch", "Space Grotesk", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --faq-font-body: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Consolas, "Noto Sans SC", monospace;
  --faq-space: clamp(1.5rem, 4vw, 3.5rem);
  background-color: var(--faq-bg);
  color: var(--faq-text);
  font-family: var(--faq-font-body);
  position: relative;
  overflow-x: hidden;
  padding-bottom: 4rem;
}

.page-faq .container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0 0.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--faq-muted);
  background: transparent;
}

.page-faq .breadcrumb-path {
  color: var(--faq-green);
}

.page-faq .breadcrumb-sep {
  color: var(--faq-cyan);
  transform: rotate(25deg);
  display: inline-block;
}

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

.page-faq .faq-hero {
  position: relative;
  margin: 1rem 0 var(--faq-space);
  background: var(--faq-panel);
  border: var(--faq-border) solid var(--faq-card);
  box-shadow: var(--faq-shadow);
  overflow: hidden;
}

.page-faq .faq-hero-frame {
  display: flex;
  flex-direction: column-reverse;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
}

.page-faq .faq-hero-copy {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-hero-kicker {
  display: inline-block;
  margin: 0 0 0.5rem;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 229, 255, 0.12);
  border-left: 4px solid var(--faq-cyan);
  color: var(--faq-cyan);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-faq .faq-hero-title {
  margin: 0 0 0.75rem;
  font-family: var(--faq-font-heading);
  font-size: clamp(1.7rem, 4.6vw, 3.2rem);
  font-weight: 700;
  font-style: italic;
  line-height: 1.1;
  color: var(--faq-text);
  text-transform: uppercase;
}

.page-faq .faq-hero-desc {
  max-width: 52ch;
  margin: 0;
  font-size: clamp(0.95rem, 1.4vw, 1.125rem);
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .faq-hero-figure {
  flex: 0 0 auto;
  margin: 0;
  border: 2px solid rgba(0, 229, 255, 0.4);
  max-width: 520px;
  width: 100%;
}

.page-faq .faq-hero-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 520 / 320;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}

.page-faq .hero-scanline {
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--faq-cyan), transparent);
  opacity: 0.5;
  animation: faq-scan-move 6s linear infinite;
  pointer-events: none;
}

.page-faq .hero-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.page-faq .hero-corner-tl {
  top: 6px;
  left: 6px;
  border-top: 2px solid var(--faq-green);
  border-left: 2px solid var(--faq-green);
}

.page-faq .hero-corner-tr {
  top: 6px;
  right: 6px;
  border-top: 2px solid var(--faq-green);
  border-right: 2px solid var(--faq-green);
}

.page-faq .hero-corner-bl {
  bottom: 6px;
  left: 6px;
  border-bottom: 2px solid var(--faq-green);
  border-left: 2px solid var(--faq-green);
}

.page-faq .hero-corner-br {
  bottom: 6px;
  right: 6px;
  border-bottom: 2px solid var(--faq-green);
  border-right: 2px solid var(--faq-green);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-faq .faq-index {
  position: relative;
  background: var(--faq-panel);
  border: var(--faq-border) solid var(--faq-card);
  box-shadow: var(--faq-shadow);
  padding: 1.25rem;
  align-self: start;
}

.page-faq .faq-index-head {
  margin-bottom: 1rem;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.3);
  padding-bottom: 0.75rem;
}

.page-faq .faq-index-note {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faq-orange);
}

.page-faq .faq-index-title {
  margin: 0;
  font-family: var(--faq-font-heading);
  font-size: 1.2rem;
  line-height: 1.3;
  font-style: italic;
  color: var(--faq-text);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index-item {
  border-bottom: 1px solid rgba(139, 155, 176, 0.15);
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 0.25rem;
  text-decoration: none;
  color: var(--faq-text);
  transition: background 0.3s ease, padding-left 0.3s ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  background: rgba(0, 255, 159, 0.08);
  padding-left: 0.75rem;
  outline: none;
}

.page-faq .faq-index-code {
  font-family: var(--faq-font-heading);
  font-style: italic;
  font-weight: 700;
  color: var(--faq-cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-index-name {
  flex: 1;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-faq .faq-index-count {
  font-size: 0.75rem;
  color: var(--faq-muted);
  background: rgba(139, 155, 176, 0.12);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
}

.page-faq .faq-index-tip {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(0, 229, 255, 0.07);
  border: 1px solid rgba(0, 229, 255, 0.22);
}

.page-faq .faq-tip-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
}

.page-faq .faq-tip-text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--faq-muted);
}

.page-faq .faq-tip-text a {
  color: var(--faq-cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--faq-cyan);
}

.page-faq .faq-tip-text a:hover {
  color: var(--faq-green);
  border-bottom-color: var(--faq-green);
}

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

.page-faq .faq-search-block {
  position: relative;
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background: var(--faq-panel);
  border: 2px solid rgba(0, 255, 159, 0.3);
  box-shadow: 4px 4px 0 0 rgba(0, 0, 0, 0.5);
}

.page-faq .faq-search-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faq-green);
}

.page-faq .faq-search-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #0A1628;
  border: 2px solid var(--faq-card);
  padding: 0.25rem 0.75rem;
  transition: border-color 0.3s ease;
}

.page-faq .faq-search-field:focus-within {
  border-color: var(--faq-green);
}

.page-faq .faq-search-icon {
  color: var(--faq-cyan);
  font-size: 1.4rem;
  line-height: 1;
}

.page-faq .faq-search-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--faq-text);
  font-family: var(--faq-font-body);
  font-size: 0.95rem;
  padding: 0.5rem 0;
}

.page-faq .faq-search-input::placeholder {
  color: rgba(139, 155, 176, 0.7);
}

.page-faq .faq-search-hint {
  margin: 0.5rem 0 0;
  font-size: 0.78rem;
  color: var(--faq-muted);
  line-height: 1.5;
}

.page-faq .faq-group {
  margin-bottom: 2.5rem;
}

.page-faq .faq-group-head {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid rgba(0, 229, 255, 0.3);
}

.page-faq .faq-group-title {
  margin: 0 0 0.25rem;
  font-family: var(--faq-font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.8rem);
  font-style: italic;
  font-weight: 700;
  color: var(--faq-text);
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.page-faq .faq-group-no {
  color: var(--faq-orange);
  font-family: var(--faq-font-heading);
  font-style: italic;
}

.page-faq .faq-group-desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--faq-muted);
  line-height: 1.6;
}

.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 2px solid rgba(139, 155, 176, 0.25);
  box-shadow: 4px 4px 0 0 rgba(0, 0, 0, 0.4);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--faq-cyan);
  box-shadow: 6px 6px 0 0 rgba(0, 229, 255, 0.12);
}

.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-family: var(--faq-font-heading);
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0.02em;
  color: var(--faq-text);
  user-select: none;
}

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

.page-faq .faq-question::marker {
  display: none;
  content: "";
}

.page-faq .faq-q-icon {
  flex: 0 0 auto;
  display: inline-block;
  width: 1.6em;
  height: 1.6em;
  line-height: 1.5em;
  text-align: center;
  background: var(--faq-orange);
  color: #0A1628;
  font-family: var(--faq-font-heading);
  font-weight: 700;
  font-size: 0.9em;
  border-radius: 2px;
  transition: transform 0.3s ease;
}

.page-faq .faq-question:hover .faq-q-icon {
  transform: rotate(-6deg) scale(1.05);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q-toggle {
  flex: 0 0 auto;
  font-family: var(--faq-font-body);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--faq-cyan);
  transition: transform 0.3s ease;
}

.page-faq .faq-item[open] .faq-q-toggle {
  transform: rotate(45deg);
  color: var(--faq-orange);
}

.page-faq .faq-answer {
  padding: 0.1rem 1.1rem 1.1rem calc(1.1rem + 1.6em);
  font-family: var(--faq-font-body);
  font-size: clamp(0.88rem, 1.2vw, 0.96rem);
  line-height: 1.8;
  color: var(--faq-text);
  border-top: 1px dashed rgba(0, 229, 255, 0.2);
}

.page-faq .faq-answer p {
  margin: 0 0 0.6rem;
}

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

.page-faq .faq-answer strong {
  color: var(--faq-green);
  font-weight: 700;
}

.page-faq .faq-answer a {
  color: var(--faq-cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--faq-cyan);
}

.page-faq .faq-answer a:hover {
  color: var(--faq-green);
  border-bottom-color: var(--faq-green);
}

.page-faq .faq-support {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--faq-panel);
  border: var(--faq-border) solid var(--faq-card);
  box-shadow: var(--faq-shadow);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-support::before {
  content: "SUPPORT";
  position: absolute;
  top: -0.4em;
  right: -0.2em;
  font-family: var(--faq-font-heading);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(4rem, 10vw, 7rem);
  line-height: 1;
  color: rgba(27, 58, 92, 0.5);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-support-copy {
  position: relative;
  z-index: 1;
}

.page-faq .faq-support-title {
  margin: 0 0 0.5rem;
  font-family: var(--faq-font-heading);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-style: italic;
  font-weight: 700;
  color: var(--faq-text);
}

.page-faq .faq-support-desc {
  margin: 0 0 1.25rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--faq-muted);
}

.page-faq .faq-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  font-family: var(--faq-font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  border: 2px solid transparent;
}

.page-faq .btn-primary {
  background: var(--faq-green);
  color: #0A1628;
  border-color: var(--faq-green);
  box-shadow: 4px 4px 0 0 rgba(0, 255, 159, 0.3);
}

.page-faq .btn-primary:hover,
.page-faq .btn-primary:focus-visible {
  background: var(--faq-cyan);
  border-color: var(--faq-cyan);
  box-shadow: 4px 4px 0 0 rgba(0, 229, 255, 0.4);
  transform: translate(-2px, -2px);
  outline: none;
}

.page-faq .btn-outline {
  background: transparent;
  color: var(--faq-cyan);
  border-color: var(--faq-cyan);
  box-shadow: 4px 4px 0 0 rgba(0, 229, 255, 0.18);
}

.page-faq .btn-outline:hover,
.page-faq .btn-outline:focus-visible {
  background: rgba(0, 229, 255, 0.1);
  color: var(--faq-green);
  border-color: var(--faq-green);
  box-shadow: 4px 4px 0 0 rgba(0, 255, 159, 0.3);
  transform: translate(-2px, -2px);
  outline: none;
}

.page-faq .faq-support-figure {
  position: relative;
  z-index: 1;
  margin: 0;
}

.page-faq .faq-support-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 600px;
  aspect-ratio: 600 / 400;
  object-fit: cover;
  border: 2px solid rgba(255, 107, 53, 0.4);
}

.page-faq .faq-support-caption {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--faq-muted);
  line-height: 1.5;
}

@media (max-width: 480px) {
  .page-faq .faq-answer {
    padding-left: 1.1rem;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-hero-frame {
    flex-direction: row;
    align-items: center;
  }
}

@media (min-width: 769px) {
  .page-faq .container {
    padding: 0 2rem;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(240px, 300px) 1fr;
    gap: 2rem;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(120px + 1.25rem);
  }

  .page-faq .faq-support {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
  }

  .page-faq .faq-support-figure {
    min-width: 300px;
  }
}

@media (min-width: 1024px) {
  .page-faq .container {
    padding: 0 2.5rem;
  }

  .page-faq .faq-hero-frame {
    padding: 2.5rem 3rem;
  }

  .page-faq .faq-index {
    padding: 1.5rem;
  }

  .page-faq .faq-support {
    padding: 2rem;
  }
}

@supports not (animation: none) {
  .page-faq .hero-scanline {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hero-scanline {
    animation: none;
    opacity: 0.25;
  }

  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-q-icon,
  .page-faq .faq-q-toggle,
  .page-faq .btn {
    transition: none;
  }
}

@keyframes faq-scan-move {
  0% {
    transform: translateY(0);
    opacity: 0.2;
  }
  15% {
    opacity: 0.7;
  }
  50% {
    opacity: 0.3;
  }
  85% {
    opacity: 0.7;
  }
  100% {
    transform: translateY(720px);
    opacity: 0.2;
  }
}

.page-faq .faq-search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  font-size: 1rem;
  background: transparent;
}

.page-faq .faq-index-list .faq-index-link:focus-visible {
  outline: 2px solid var(--faq-green);
  outline-offset: -2px;
}

.page-faq .faq-group:target {
  scroll-margin-top: calc(120px + 1rem);
}

.page-faq .faq-item:focus-within {
  border-color: var(--faq-green);
}

.page-faq .faq-item[open]:focus-within {
  border-color: var(--faq-green);
}