.page-faq {
  --faq-panel-bg: #fafcff;
  --faq-panel-ink: #0b1220;
  --faq-muted: #5a6b8c;
  --faq-line: #dbe4f3;
  --faq-card-shadow: 16px 16px 0 rgba(16, 32, 74, 0.35);
  --faq-index-width: 310px;
  background: var(--deep-space-900);
}

.page-faq .faq-hero {
  padding: 32px 0 56px;
  background: linear-gradient(180deg, rgba(16, 32, 74, 0.6), rgba(10, 22, 51, 0));
  border-bottom: 1px solid var(--line-blue);
}

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

.page-faq .faq-hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero-copy {
  position: relative;
  padding-top: 8px;
}

.page-faq .faq-hero-copy::before {
  display: none;
}

.page-faq .faq-hero-copy .eyebrow {
  color: var(--fluorescent-green);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
}

.page-faq .faq-hero-copy h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ice-blue-100);
}

.page-faq .faq-hero-desc {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(214, 228, 255, 0.78);
  max-width: 64ch;
}

.page-faq .faq-hero-meta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--data-cyan);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-chip-bar {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--line-blue);
}

.page-faq .faq-chip-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ice-blue-100);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 6px;
}

.page-faq .faq-chip {
  font-size: 13px;
  color: var(--ice-blue-100);
  text-decoration: none;
  border: 1px solid var(--line-blue);
  padding: 5px 12px;
  border-radius: 999px;
  transition: all 0.3s var(--ease);
  background: rgba(16, 32, 74, 0.4);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus {
  border-color: var(--fluorescent-green);
  color: var(--fluorescent-green);
  background: var(--deep-space-800);
}

.page-faq .faq-hero-img {
  margin: 0;
  border: 1px solid var(--line-blue);
  box-shadow: 14px 14px 0 rgba(185, 255, 90, 0.1);
  background: var(--deep-space-800);
}

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

.page-faq .faq-hero-img .img-caption {
  color: var(--ice-blue-100);
  font-size: 12px;
  padding: 10px 12px;
  background: rgba(10, 22, 51, 0.85);
  border-top: 1px solid var(--line-blue);
}

.page-faq .faq-body {
  padding: 56px 0 88px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-index-inner {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  background: var(--deep-space-800);
  border: 1px solid var(--line-blue);
  padding: 24px 22px;
  box-shadow: 10px 10px 0 rgba(185, 255, 90, 0.06);
}

.page-faq .faq-index-inner h2 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ice-blue-100);
  letter-spacing: 0.02em;
}

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

.page-faq .faq-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  text-decoration: none;
  color: var(--ice-blue-100);
  border-left: 2px solid var(--line-blue);
  transition: all 0.3s var(--ease);
  font-size: 14px;
}

.page-faq .faq-nav a:hover,
.page-faq .faq-nav a:focus {
  border-left-color: var(--fluorescent-green);
  background: var(--deep-space-900);
  color: var(--fluorescent-green);
}

.page-faq .faq-nav-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--data-cyan);
  min-width: 20px;
}

.page-faq .faq-index-tip {
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-blue);
  font-size: 12px;
  color: rgba(214, 228, 255, 0.66);
}

.page-faq .faq-index-img {
  margin: 20px 0 0;
  border: 1px solid var(--line-blue);
  background: var(--deep-space-900);
}

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

.page-faq .faq-index-img .img-caption {
  font-size: 12px;
  padding: 8px 10px;
  background: rgba(10, 22, 51, 0.9);
  color: var(--ice-blue-100);
}

.page-faq .faq-panel {
  background: var(--faq-panel-bg);
  color: var(--faq-panel-ink);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--faq-card-shadow);
}

.page-faq .faq-group {
  padding: 32px 0;
  border-bottom: 1px solid var(--faq-line);
  scroll-margin-top: 88px;
}

.page-faq .faq-group:first-child {
  padding-top: 4px;
}

.page-faq .faq-group:last-child {
  border-bottom: none;
  padding-bottom: 8px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.page-faq .faq-group-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--fluorescent-green);
  background: var(--deep-space-800);
  padding: 5px 10px;
  border-radius: 3px;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--deep-space-800);
  line-height: 1.2;
}

.page-faq .faq-group-head p {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--faq-muted);
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-left-width: 3px;
  border-left-color: var(--line-blue);
  background: #fff;
  border-radius: 4px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--signal-orange);
  box-shadow: 4px 4px 0 rgba(16, 32, 74, 0.08);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

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

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--deep-space-800);
  background: #edf3fc;
  padding: 3px 8px;
  border-radius: 2px;
  flex: 0 0 auto;
}

.page-faq .faq-q {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--faq-panel-ink);
}

.page-faq .faq-hot {
  color: var(--signal-orange);
  font-size: 14px;
  flex: 0 0 auto;
  line-height: 1;
}

.page-faq .faq-btn {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--deep-space-800);
  border: 1px solid var(--line-blue);
  padding: 4px 10px;
  border-radius: 999px;
  transition: all 0.3s var(--ease);
  line-height: 1.4;
}

.page-faq .faq-item[open] .faq-btn {
  background: var(--fluorescent-green);
  border-color: var(--ink-black);
  color: var(--ink-black);
}

.page-faq .faq-a {
  padding: 0 16px 16px 48px;
  font-size: 14px;
  line-height: 1.8;
  color: #33415c;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-a {
  opacity: 1;
  transform: translateY(0);
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-contact-card {
  background: linear-gradient(135deg, rgba(185, 255, 90, 0.08), transparent 55%), var(--deep-space-800);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius);
  padding: 24px 22px;
  color: var(--ice-blue-100);
  display: grid;
  gap: 14px;
  margin-top: 4px;
}

.page-faq .faq-contact-intro {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(51, 85, 170, 0.6);
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fluorescent-green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-faq .faq-contact-value {
  font-size: 14px;
  color: var(--ice-blue-100);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 0;
  font-size: 12px;
  color: rgba(214, 228, 255, 0.66);
  padding: 8px 12px;
  border-left: 3px solid var(--data-cyan);
  background: rgba(0, 224, 255, 0.06);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.page-faq .faq-more-help {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--faq-muted);
  line-height: 1.7;
  padding-top: 18px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-inline-link {
  color: var(--deep-space-800);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.3s var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus {
  color: var(--signal-orange);
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 48px 0 72px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
  }

  .page-faq .faq-hero-copy::before {
    display: block;
    content: "";
    position: absolute;
    left: -32px;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--fluorescent-green), var(--data-cyan));
    opacity: 0.9;
  }

  .page-faq .faq-body {
    padding: 72px 0 120px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-width) minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-panel {
    padding: 44px 40px;
  }

  .page-faq .faq-group {
    padding: 40px 0;
  }

  .page-faq .faq-group-head h2 {
    font-size: 28px;
  }

  .page-faq .faq-q {
    font-size: 16px;
  }

  .page-faq .faq-a {
    padding-left: 52px;
  }
}