.page-faq {
  --faq-index-width: 280px;
  --faq-gap: 36px;
  background-color: var(--night-blue);
  color: var(--metal-silver);
  overflow-x: clip;
}

.page-faq .container {
  padding: 24px 20px 72px;
}

.page-faq .breadcrumb {
  margin-bottom: 18px;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .breadcrumb a {
  color: var(--cool-gray);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--neon-green);
}

.page-faq .breadcrumb li[aria-current="page"] {
  color: var(--ice-white);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--cool-gray);
}

.page-faq .page-header {
  margin: 0 0 24px;
  padding-left: 18px;
  border-left: 4px solid var(--neon-green);
}

.page-faq .page-title {
  margin: 0;
  font-size: 32px;
  line-height: 1.16;
  font-weight: 900;
  color: var(--ice-white);
  letter-spacing: -0.02em;
}

.page-faq .page-subtitle {
  margin: 12px 0 0;
  max-width: 760px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--cool-gray);
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding: 14px 18px;
  border: 1px solid rgba(200, 208, 216, 0.16);
  border-radius: var(--radius-pill);
  background: var(--deep-navy);
  font-family: var(--font-mono);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.page-faq .faq-search:hover {
  border-color: rgba(0, 255, 136, 0.5);
  box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.08);
}

.page-faq .faq-search-icon {
  display: inline-flex;
  color: var(--neon-green);
  flex: 0 0 auto;
}

.page-faq .faq-search-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  color: var(--cool-gray);
  white-space: nowrap;
  text-overflow: ellipsis;
}

.page-faq .faq-search-key {
  flex: 0 0 auto;
  padding: 2px 8px;
  border: 1px solid rgba(200, 208, 216, 0.2);
  border-radius: var(--radius-sm);
  background: var(--night-blue);
  font-size: 12px;
  color: var(--cool-gray);
}

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

.page-faq .faq-index {
  margin-bottom: 32px;
  padding: 24px;
  border: 1px solid rgba(200, 208, 216, 0.12);
  border-radius: var(--radius-xl);
  background: var(--deep-navy);
}

.page-faq .faq-toc-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.page-faq .faq-toc-heading h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--ice-white);
}

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

.page-faq .faq-toc a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--metal-silver);
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .faq-toc a + a {
  margin-top: 2px;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  border-left-color: var(--neon-green);
  background: rgba(0, 255, 136, 0.08);
  color: var(--ice-white);
  outline: none;
}

.page-faq .faq-toc a:focus-visible {
  box-shadow: 0 0 0 2px var(--neon-green);
}

.page-faq .faq-toc-num {
  padding: 2px 8px;
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: var(--radius-pill);
  background: rgba(0, 255, 136, 0.1);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  color: var(--neon-green);
}

.page-faq .faq-index-note {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed rgba(200, 208, 216, 0.16);
}

.page-faq .faq-index-note-title {
  margin: 8px 0 4px;
  font-weight: 600;
  color: var(--ice-white);
}

.page-faq .faq-index-note-line {
  margin: 0;
  font-size: 15px;
  color: var(--neon-green);
}

.page-faq .faq-index-note-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--sky-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-index-note-link:hover {
  color: var(--neon-green);
  border-bottom-color: var(--neon-green);
}

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

.page-faq .faq-content > section + section {
  margin-top: 48px;
}

.page-faq .section-head {
  margin-bottom: 20px;
}

.page-faq .section-head .index-label {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon-green);
}

.page-faq .section-head h2 {
  margin: 8px 0 4px;
  font-size: 28px;
  font-weight: 800;
  color: var(--ice-white);
  letter-spacing: -0.02em;
}

.page-faq .section-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--cool-gray);
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  padding: 0 16px;
  border: 1px solid rgba(200, 208, 216, 0.12);
  border-radius: var(--radius-lg);
  background: var(--deep-navy);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.page-faq .faq-item:hover {
  border-color: rgba(0, 255, 136, 0.35);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 255, 136, 0.5);
  box-shadow: var(--shadow-md);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary:focus-visible {
  border-radius: var(--radius-pill);
  outline: 2px solid var(--neon-green);
  outline-offset: 3px;
}

.page-faq .faq-item-no {
  flex: 0 0 auto;
  padding: 2px 8px;
  border: 1px solid rgba(0, 255, 136, 0.4);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-green);
}

.page-faq .faq-question-text {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ice-white);
}

.page-faq .faq-item-icon {
  position: relative;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(0, 255, 136, 0.4);
  border-radius: 50%;
  background: rgba(0, 255, 136, 0.06);
}

.page-faq .faq-item-icon::before,
.page-faq .faq-item-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 2px;
  background: var(--neon-green);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item-icon::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-item-icon::after {
  width: 2px;
  height: 10px;
  transition: transform var(--transition-fast);
}

.page-faq .faq-item[open] .faq-item-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item-body {
  padding: 0 0 20px;
}

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

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

.page-faq .faq-item-body ul {
  margin: 0 0 10px;
  padding-left: 20px;
}

.page-faq .faq-item-body li {
  margin-bottom: 6px;
}

.page-faq .faq-item-body li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-inline-img {
  display: block;
  width: min(100%, 400px);
  height: auto;
  margin: 10px 0 12px;
  border: 1px solid rgba(200, 208, 216, 0.16);
  border-radius: var(--radius-md);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 6px;
  border: 1px solid rgba(200, 208, 216, 0.14);
  border-radius: var(--radius-pill);
  background: rgba(200, 208, 216, 0.06);
  font-size: 13px;
  color: var(--metal-silver);
}

.page-faq .faq-legend .data-card-red,
.page-faq .faq-legend .data-card-yellow,
.page-faq .faq-legend .data-card-green {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-legend .data-card-red {
  background: var(--alert-red);
  color: var(--ice-white);
}

.page-faq .faq-legend .data-card-yellow {
  background: #F6C344;
  color: var(--deep-navy);
}

.page-faq .faq-legend .data-card-green {
  background: var(--neon-green);
  color: var(--deep-navy);
}

.page-faq .faq-tutorial-section {
  padding: 24px;
  border: 1px solid rgba(200, 208, 216, 0.14);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(0, 255, 136, 0.06), transparent 30%), var(--deep-navy);
}

.page-faq .tutorial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .tutorial-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(200, 208, 216, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(6, 16, 24, 0.72);
  color: var(--metal-silver);
  text-decoration: none;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.page-faq .tutorial-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--neon-green);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.page-faq .tutorial-card:hover {
  border-color: rgba(0, 255, 136, 0.5);
  background: rgba(6, 16, 24, 0.9);
  transform: translateY(-2px);
}

.page-faq .tutorial-card:hover::after {
  opacity: 1;
}

.page-faq .tutorial-card:focus-visible {
  outline: 2px solid var(--neon-green);
  outline-offset: 3px;
}

.page-faq .tutorial-card-no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-green);
}

.page-faq .tutorial-card-title {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--ice-white);
}

.page-faq .tutorial-card-desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--cool-gray);
}

.page-faq .tutorial-card-arrow {
  position: absolute;
  right: 16px;
  bottom: 14px;
  font-size: 20px;
  color: var(--neon-green);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.page-faq .tutorial-card:hover .tutorial-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

.page-faq .faq-more-link {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cool-gray);
}

.page-faq .faq-more-link a {
  color: var(--sky-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 155, 213, 0.4);
}

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

.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .contact-method {
  padding: 18px;
  border: 1px solid rgba(200, 208, 216, 0.14);
  border-radius: var(--radius-lg);
  background: var(--deep-navy);
  transition: border-color var(--transition-fast);
}

.page-faq .contact-method:hover {
  border-color: rgba(0, 255, 136, 0.35);
}

.page-faq .contact-method-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon-green);
}

.page-faq .contact-value {
  display: block;
  margin-top: 10px;
  overflow-wrap: anywhere;
  font-size: 18px;
  font-weight: 600;
  color: var(--ice-white);
}

.page-faq .contact-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--cool-gray);
}

.page-faq .contact-method-wide {
  grid-column: 1 / -1;
}

.page-faq .contact-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-right: 6px;
  border: 1px solid var(--cool-gray);
  border-radius: 50%;
  font-size: 11px;
  color: var(--cool-gray);
  cursor: help;
  vertical-align: middle;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .contact-help:hover,
.page-faq .contact-help:focus-visible {
  border-color: var(--neon-green);
  color: var(--neon-green);
  outline: none;
}

.page-faq .faq-contact-image {
  margin-top: 14px;
}

.page-faq .faq-contact-image img {
  display: block;
  width: 100%;
  max-width: 500px;
  height: auto;
  border: 1px solid rgba(200, 208, 216, 0.14);
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

@media (min-width: 768px) {
  .page-faq .tutorial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .container {
    padding: 40px 20px 96px;
  }

  .page-faq .page-title {
    font-size: 42px;
  }

  .page-faq .faq-search {
    margin-bottom: 40px;
    padding: 16px 24px;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-index-width) minmax(0, 1fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
    padding: 28px;
  }

  .page-faq .faq-content > section + section {
    margin-top: 56px;
  }

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