.page-faq {
  --faq-accent: #39FF14;
  --faq-panel-border: rgba(192, 200, 208, 0.16);
  --faq-panel-bg: rgba(15, 42, 74, 0.38);
  --faq-panel-bg-open: rgba(26, 43, 60, 0.68);
  background: var(--color-bg-grad);
  min-height: 80vh;
  overflow-x: clip;
}

.page-faq .faq-hero {
  position: relative;
  padding: var(--space-6) 0 var(--space-5);
  border-bottom: 1px solid var(--faq-panel-border);
  background:
    radial-gradient(circle at 84% 10%, rgba(57, 255, 20, 0.1), transparent 320px),
    linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 70%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 260px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 36px) 100%, 0 100%);
}

.page-faq .breadcrumb { margin-bottom: var(--space-4); }
.page-faq .section-kicker { margin-bottom: var(--space-2); }

.page-faq h1 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  max-width: 15em;
}

.page-faq .faq-hero-lead {
  max-width: 620px;
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: var(--space-5);
}

.page-faq .faq-stat {
  padding: var(--space-3) var(--space-4);
  background: rgba(26, 43, 60, 0.55);
  border: 1px solid var(--faq-panel-border);
  clip-path: var(--clip-cut);
}

.page-faq .faq-stat b {
  display: block;
  font: 700 22px/1.2 var(--font-mono);
  color: var(--color-accent);
}

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

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  padding-block: var(--space-6);
  align-items: start;
}

.page-faq .faq-index {
  background: linear-gradient(180deg, rgba(15, 42, 74, 0.55), rgba(11, 29, 58, 0.6));
  border: 1px solid var(--faq-panel-border);
  padding: var(--space-4);
}

.page-faq .faq-index h2 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 800;
}

.page-faq .faq-index-tip {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-muted);
}

.page-faq .faq-index-filters {
  position: relative;
}

.page-faq .faq-index-filters input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-index-filters label {
  display: inline-block;
  padding: 5px 12px;
  margin: 0 6px 8px 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--color-muted);
  border: 1px solid var(--faq-panel-border);
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.page-faq .faq-index-filters input:checked + label {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: 600;
}

.page-faq .faq-index-filters input:focus-visible + label {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.page-faq .faq-index-nav { margin-top: 4px; }

.page-faq .faq-index-group + .faq-index-group { margin-top: 20px; }

.page-faq .faq-index-group h3 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

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

.page-faq .faq-index-group li + li { margin-top: 10px; }

.page-faq .faq-index-group a {
  position: relative;
  display: inline-block;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-faq .faq-index-group a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  opacity: 0.5;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.page-faq .faq-index-group a:hover { color: var(--color-accent); }

.page-faq .faq-index-group a:hover::before {
  opacity: 1;
  transform: scale(1.35);
}

.page-faq #faq-filter-update:checked ~ .faq-index-nav .faq-index-group:not([data-filter="update"]),
.page-faq #faq-filter-sync:checked ~ .faq-index-nav .faq-index-group:not([data-filter="sync"]),
.page-faq #faq-filter-account:checked ~ .faq-index-nav .faq-index-group:not([data-filter="account"]),
.page-faq #faq-filter-accuracy:checked ~ .faq-index-nav .faq-index-group:not([data-filter="accuracy"]) {
  display: none;
}

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

.page-faq .faq-category + .faq-category { margin-top: var(--space-5); }

.page-faq .faq-category-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.page-faq .faq-cat-num {
  font: 700 12px/1 var(--font-mono);
  color: var(--color-accent);
  padding: 5px 7px;
  border: 1px solid rgba(57, 255, 20, 0.4);
  clip-path: var(--clip-cut);
}

.page-faq .faq-category h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 23px;
  font-weight: 800;
}

.page-faq .faq-cat-intro {
  margin: 0 0 12px;
  padding-left: 29px;
  font-size: 13px;
  color: var(--color-muted);
}

.page-faq .faq-item {
  scroll-margin-top: calc(var(--header-height) + 16px);
  background: var(--faq-panel-bg);
  border: 1px solid var(--faq-panel-border);
  margin-top: 12px;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.page-faq .faq-item[open] {
  background: var(--faq-panel-bg-open);
  border-color: rgba(57, 255, 20, 0.34);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::before {
  content: "?";
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  font: 700 13px/1 var(--font-mono);
  color: var(--color-accent);
  border: 1px solid rgba(57, 255, 20, 0.45);
  clip-path: var(--clip-cut);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.page-faq .faq-item[open] summary::before {
  color: var(--color-bg);
  background: var(--color-accent);
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font: 700 18px/1 var(--font-mono);
  color: var(--color-accent);
  transition: transform var(--transition-base);
}

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

.page-faq .faq-answer {
  padding: 4px 16px 18px 52px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--color-muted);
}

.page-faq .faq-answer p { margin: 0 0 12px; }
.page-faq .faq-answer p:last-child { margin-bottom: 0; }

.page-faq .faq-answer a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 16px;
  border: 1px solid var(--faq-panel-border);
  border-radius: var(--radius);
}

.page-faq .faq-help-cta {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.08), rgba(11, 29, 58, 0.45));
  border: 1px solid rgba(57, 255, 20, 0.22);
  clip-path: var(--clip-cut);
}

.page-faq .faq-help-cta .section-kicker { margin-bottom: var(--space-2); }

.page-faq .faq-help-cta h2 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 800;
}

.page-faq .faq-help-cta p {
  margin: 0 0 14px;
  color: var(--color-muted);
}

.page-faq .faq-trust-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-panel-border);
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-muted);
}

@media (min-width: 640px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero { padding-top: calc(var(--space-6) + 8px); }

  .page-faq .faq-layout {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: var(--space-5);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-height) + 16px);
  }
}