.page-faq {
  --faq-border: rgba(13, 43, 78, 0.1);
  --faq-border-strong: rgba(13, 43, 78, 0.18);
  --faq-white-muted: rgba(255, 255, 255, 0.8);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  padding: 2.75rem 0 2.5rem;
  background: linear-gradient(135deg, var(--color-ink) 0%, var(--color-blue) 64%, rgba(168, 208, 230, 0.92) 100%);
  color: var(--color-white);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border: 2px solid rgba(255, 255, 255, 0.22);
  border-radius: 32px;
  transform: rotate(45deg);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: -64px;
  right: 72px;
  width: 120px;
  height: 120px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  transform: rotate(45deg);
  pointer-events: none;
}
.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.page-faq .faq-hero .breadcrumb {
  margin-bottom: 1.6rem;
}
.page-faq .faq-hero .breadcrumb a,
.page-faq .faq-hero .breadcrumb span {
  color: rgba(255, 255, 255, 0.78);
}
.page-faq .faq-hero-kicker {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--color-gold);
  margin-bottom: 0.9rem;
}
.page-faq .faq-hero h1 {
  font-size: 1.65rem;
  line-height: 1.4;
  font-weight: 900;
  color: var(--color-white);
  margin: 0 0 1rem;
  max-width: 14em;
}
.page-faq .faq-hero-lead {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--faq-white-muted);
  max-width: 58em;
  margin: 0;
}
.page-faq .faq-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2.4rem;
  margin-top: 2rem;
}
.page-faq .faq-hero-stat strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-gold);
}
.page-faq .faq-hero-stat span {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.82);
}

/* ===== Layout ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 3rem;
    padding: 3rem 2rem 4rem;
    align-items: start;
  }
  .page-faq .faq-aside {
    position: sticky;
    top: 2rem;
  }
}

/* ===== Aside index ===== */
.page-faq .faq-aside h2 {
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-blue);
  border-bottom: 1px solid var(--faq-border);
}
.page-faq .faq-toc {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}
.page-faq .faq-toc li {
  margin: 0;
}
.page-faq .faq-toc a {
  display: block;
  padding: 0.6rem 0.9rem;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-text);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.page-faq .faq-toc a:hover {
  background: var(--color-blue-bg);
  color: var(--color-ink);
}
.page-faq .faq-toc li.is-current a {
  border-left-color: var(--color-blue);
  background: var(--color-blue-bg);
  color: var(--color-ink);
  font-weight: 600;
}
.page-faq .faq-aside-note {
  padding: 1rem;
  margin-bottom: 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius);
}
.page-faq .faq-aside-note span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--color-blue);
}
.page-faq .faq-aside-note p {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
}

/* ===== Tag ===== */
.page-faq .faq-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  line-height: 1;
  color: var(--color-blue);
  background: var(--color-blue-bg);
  border: 1px solid var(--color-blue-border);
  padding: 0.4em 0.75em;
  border-radius: var(--radius-sm);
}
.page-faq .faq-featured .faq-tag {
  color: var(--color-white);
  background: var(--color-red);
  border-color: transparent;
}

/* ===== Featured Section 3 ===== */
.page-faq .faq-featured {
  position: relative;
  margin-bottom: 2.5rem;
  padding: 1.4rem;
  background: linear-gradient(145deg, var(--color-ink) 0%, var(--color-blue) 86%, rgba(30, 90, 168, 0.94) 100%);
  color: var(--color-deep-text);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
@media (min-width: 640px) {
  .page-faq .faq-featured {
    padding: 1.8rem;
  }
}
.page-faq .faq-featured-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1.25rem;
}
.page-faq .faq-featured-code {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.6);
}
.page-faq .faq-featured h2 {
  font-size: 1.4rem;
  line-height: 1.4;
  font-weight: 900;
  color: var(--color-white);
  margin: 0 0 0.8rem;
}
.page-faq .faq-featured-lead {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--faq-white-muted);
  max-width: 60ch;
}

/* Steps */
.page-faq .faq-steps {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.page-faq .faq-step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.7;
  color: var(--color-gold);
}
.page-faq .faq-step-body h3 {
  margin: 0 0 0.35rem;
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--color-white);
}
.page-faq .faq-step-body p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--faq-white-muted);
}

/* Featured grid */
.page-faq .faq-featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  margin-top: 1.5rem;
}
@media (min-width: 600px) {
  .page-faq .faq-featured-grid {
    grid-template-columns: 280px 1fr;
    align-items: end;
  }
}
.page-faq .faq-featured-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
}
.page-faq .faq-featured-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-featured-note {
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
}
.page-faq .faq-featured-note h3 {
  margin: 0 0 0.4rem;
  font-size: 0.9rem;
  color: var(--color-gold);
}
.page-faq .faq-featured-note p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--faq-white-muted);
}

/* ===== Filter + Browser ===== */
.page-faq .faq-browser {
  margin-bottom: 2.5rem;
}
.page-faq .faq-browser > input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.page-faq .faq-filter-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1.2rem 1.25rem;
  margin-bottom: 2rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--faq-border);
  border-radius: calc(var(--radius) + 2px);
}
@media (min-width: 640px) {
  .page-faq .faq-filter-panel {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.page-faq .faq-filter-head {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}
.page-faq .faq-filter-head svg {
  color: var(--color-blue);
}
.page-faq .faq-filter-labels {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-faq .faq-filter-labels label {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--faq-border-strong);
  border-radius: 999px;
  padding: 0.42em 0.95em;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.page-faq .faq-filter-labels label:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.page-faq .faq-filter-labels label:active {
  transform: scale(0.97);
}
.page-faq .faq-browser > #faq-all:checked ~ .faq-filter-panel label[for="faq-all"],
.page-faq .faq-browser > #faq-client:checked ~ .faq-filter-panel label[for="faq-client"],
.page-faq .faq-browser > #faq-download:checked ~ .faq-filter-panel label[for="faq-download"] {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}
.page-faq .faq-browser > #faq-client:checked ~ .faq-section--download,
.page-faq .faq-browser > #faq-download:checked ~ .faq-section--client {
  display: none;
}
.page-faq .faq-browser > input[type="radio"]:focus-visible ~ .faq-filter-panel {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

/* ===== Sections ===== */
.page-faq .faq-section {
  padding: 0;
}
.page-faq .faq-section--client {
  margin-bottom: 2.25rem;
}
.page-faq .faq-section-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}
.page-faq .faq-section-head h2 {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 900;
  color: var(--color-ink);
}

/* ===== Panels ===== */
.page-faq .faq-panels {
  display: grid;
  gap: 0.75rem;
}
.page-faq .faq-panel {
  background: var(--color-white);
  border: 1px solid var(--faq-border);
  border-left: 3px solid var(--color-blue);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}
.page-faq .faq-panel[open] {
  box-shadow: var(--shadow-card);
}
.page-faq .faq-panel summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 1rem 3rem 1rem 1.1rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.55;
  transition: background var(--transition-fast);
}
.page-faq .faq-panel summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-panel summary:hover {
  background: var(--color-blue-bg);
}
.page-faq .faq-panel summary h3 {
  display: inline;
  margin: 0;
  font-size: 0.92rem;
  font-weight: inherit;
  color: inherit;
}
.page-faq .faq-panel summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 1.05rem;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--color-blue);
  transition: transform var(--transition-fast);
}
.page-faq .faq-panel[open] summary::after {
  content: "−";
}
.page-faq .faq-panel-body {
  padding: 0 1.1rem 1.15rem;
  border-top: 1px dashed var(--faq-border);
}
.page-faq .faq-panel-body p {
  margin: 0.9rem 0 0.6rem;
  font-size: 0.88rem;
  line-height: 1.8;
}
.page-faq .faq-panel-body ol {
  list-style: none;
  counter-reset: faq-panel-counter;
  margin: 0;
}
.page-faq .faq-panel-body li {
  counter-increment: faq-panel-counter;
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.35rem;
  font-size: 0.87rem;
  line-height: 1.75;
}
.page-faq .faq-panel-body li::before {
  content: counter(faq-panel-counter) ".";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-blue);
}

/* ===== Download note ===== */
.page-faq .faq-download-note {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--faq-border);
  border-radius: calc(var(--radius) + 2px);
}
@media (min-width: 640px) {
  .page-faq .faq-download-note {
    grid-template-columns: 240px 1fr;
    align-items: center;
  }
}
.page-faq .faq-download-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-border);
  border-radius: var(--radius);
}
.page-faq .faq-download-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-download-note h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--color-ink);
}
.page-faq .faq-download-note p {
  margin: 0 0 0.85rem;
  font-size: 0.86rem;
  line-height: 1.8;
}

/* ===== Mini cards ===== */
.page-faq .faq-mini-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin-bottom: 2.5rem;
}
@media (min-width: 640px) {
  .page-faq .faq-mini-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-faq .faq-mini-card {
  padding: 1.35rem 1.3rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--faq-border);
  border-top: 3px solid var(--color-gold);
  border-radius: var(--radius);
}
.page-faq .faq-mini-card h2 {
  margin: 0.7rem 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 900;
  color: var(--color-ink);
}
.page-faq .faq-mini-card p {
  margin: 0 0 0.8rem;
  font-size: 0.84rem;
  line-height: 1.75;
}
.page-faq .faq-mini-card a {
  color: var(--color-blue);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--color-blue-border);
  transition: border-color var(--transition-fast);
}
.page-faq .faq-mini-card a:hover {
  border-bottom-color: var(--color-blue);
}

/* ===== Next links ===== */
.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--faq-border);
}
.page-faq .faq-next p {
  margin: 0 0.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text);
}