.page-faq {
  --faq-sidebar-w: 300px;
  --faq-answer-indent: 62px;
  background: var(--color-bg);
}

.page-faq .page-faq-hero {
  position: relative;
  overflow: hidden;
  padding: 44px 0 56px;
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 107, 53, 0.18), transparent 30%),
    linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 100%);
}

.page-faq .page-faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.16;
  pointer-events: none;
}

.page-faq .page-faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gold) 60%, transparent 100%);
  transform: skewX(-18deg);
  transform-origin: left;
}

.page-faq .page-faq-hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-faq .page-faq-hero .breadcrumb {
  justify-content: center;
  margin-bottom: 16px;
}

.page-faq .page-faq-hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 76px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  margin: 6px 0 14px;
}

.page-faq .page-faq-hero-sub {
  max-width: 660px;
  margin: 0 auto;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-faq .faq-search-wrap {
  max-width: 560px;
  margin: 28px auto 0;
}

.page-faq .faq-search-input {
  display: block;
  width: 100%;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.page-faq .faq-search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
}

.page-faq .faq-search-input::placeholder {
  color: var(--color-text-muted);
}

.page-faq .faq-search-hint {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-faq .faq-search-hint strong {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--color-gold);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 32px;
  margin-top: 28px;
}

.page-faq .faq-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text-muted);
  font-family: var(--font-body);
}

.page-faq .faq-stat-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-gold);
}

.page-faq .page-faq-layout {
  display: flex;
  flex-direction: column;
  gap: 44px;
  padding-top: 48px;
  padding-bottom: 80px;
}

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

.page-faq .faq-category + .faq-category {
  margin-top: 56px;
}

.page-faq .faq-category .section-head {
  position: relative;
  padding-top: 18px;
  margin-bottom: 22px;
}

.page-faq .faq-category .section-head::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
}

.page-faq .faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.page-faq .faq-item + .faq-item {
  margin-top: 12px;
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 107, 53, 0.45);
  background: linear-gradient(0deg, rgba(255, 107, 53, 0.06), rgba(255, 107, 53, 0.06)), var(--color-card);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.2s var(--ease-out);
}

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

.page-faq .faq-item summary:hover {
  background: rgba(255, 255, 255, 0.04);
}

.page-faq .faq-q-mark {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-faq .faq-q-text {
  flex: 1;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text);
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--color-accent);
  transition: transform 0.3s var(--ease-out);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-answer {
  padding: 2px 20px 20px var(--faq-answer-indent);
  border-top: 1px solid rgba(42, 74, 107, 0.5);
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.75;
  animation: page-faq-fade-up 0.35s var(--ease-out);
}

.page-faq .faq-answer p + p {
  margin-top: 10px;
}

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

@keyframes page-faq-fade-up {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-trend {
  margin-top: 20px;
}

.page-faq .faq-trend img,
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
}

.page-faq .faq-trend figcaption,
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.5;
}

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

.page-faq .faq-toc {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.page-faq .faq-toc .toc-title {
  margin-bottom: 14px;
}

.page-faq .faq-toc .toc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.page-faq .faq-toc .toc-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.page-faq .faq-toc .toc-link:hover {
  color: var(--color-text);
  background: rgba(255, 107, 53, 0.12);
}

.page-faq .faq-toc .toc-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-accent);
}

.page-faq .faq-figure {
  margin-top: 24px;
}

.page-faq .faq-help-card {
  margin-top: 24px;
  padding: 24px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.page-faq .faq-help-title {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.page-faq .faq-help-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

@media (min-width: 1024px) {
  .page-faq .page-faq-hero {
    padding: 72px 0 84px;
  }

  .page-faq .page-faq-layout {
    display: grid;
    grid-template-columns: var(--faq-sidebar-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-content {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .faq-sidebar {
    grid-column: 1;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-toc {
    padding: 24px;
  }

  .page-faq .faq-toc .toc-list {
    display: flex;
    flex-direction: column;
  }
}