.page-faq {
  --faq-sidebar-w: 224px;
  --faq-rule: rgba(197, 168, 94, 0.25);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-faq .faq-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--gutter) 72px;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--color-muted);
}

.page-faq .breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.page-faq .breadcrumb-sep {
  color: var(--color-line);
}

.page-faq .breadcrumb-current {
  color: var(--color-gold);
}

.page-faq .faq-hero {
  position: relative;
  padding: 36px 0 28px;
  border-bottom: 1px solid var(--faq-rule);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.16), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero .index-label {
  display: inline-block;
  margin-bottom: 16px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 12px;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero-desc {
  max-width: 620px;
  color: var(--color-muted);
  font-size: 1rem;
  margin: 0 0 20px;
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-line);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-meta span {
  position: relative;
  padding-left: 14px;
}

.page-faq .faq-hero-meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

.page-faq .faq-layout {
  padding: 40px 0 48px;
  display: block;
}

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

.page-faq .faq-tree {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 16px;
  background: var(--color-bg-alt);
  border-left: 2px solid var(--color-line);
}

.page-faq .faq-tree-label {
  display: block;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
}

.page-faq .chapter-link.faq-tree-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  color: var(--color-muted);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-bottom-color: var(--faq-rule);
  transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.page-faq .chapter-link.faq-tree-link:hover {
  color: var(--color-gold);
  background-color: rgba(10, 92, 42, 0.18);
}

.page-faq .chapter-link.faq-tree-link.is-active {
  color: var(--color-gold);
  border-color: var(--color-gold);
  background-color: rgba(212, 175, 55, 0.08);
}

.page-faq .chapter-link.faq-tree-link .chapter-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: inherit;
  opacity: 0.8;
}

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

.page-faq .faq-list-head {
  margin-bottom: 36px;
}

.page-faq .faq-list-head h2 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  margin: 6px 0 8px;
}

.page-faq .faq-list-head .section-desc {
  color: var(--color-muted);
  font-size: 0.9375rem;
  margin: 0;
}

.page-faq .faq-category {
  margin-bottom: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--faq-rule);
}

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

.page-faq .faq-cat-head .section-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-gold);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.page-faq .faq-cat-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 0 0 6px;
}

.page-faq .faq-cat-desc {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin: 0;
}

.page-faq .faq-panel {
  background: var(--color-bg-alt);
  border-left: 2px solid var(--color-line);
  margin-bottom: 12px;
  margin-left: 0;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.page-faq .faq-panel details {
  background: transparent;
}

.page-faq .faq-panel details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  transition: color 0.3s ease;
}

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

.page-faq .faq-panel details > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--color-gold);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.page-faq .faq-panel details[open] {
  background: linear-gradient(135deg, rgba(10, 92, 42, 0.28), rgba(26, 51, 40, 0.55));
  border-left-color: var(--color-gold);
}

.page-faq .faq-panel details[open] > summary {
  color: var(--color-text);
}

.page-faq .faq-panel .faq-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-line);
  flex-shrink: 0;
  min-width: 34px;
}

.page-faq .faq-panel .faq-question-text {
  flex: 1;
}

.page-faq .faq-panel .panel-body {
  padding: 0 18px 18px 64px;
  color: var(--color-muted);
  font-size: 0.9375rem;
  border-top: 1px solid var(--faq-rule);
  margin-top: 2px;
}

.page-faq .faq-panel .panel-body p {
  margin: 12px 0 0;
}

.page-faq .faq-panel .panel-body ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.page-faq .faq-panel .panel-body li {
  margin-bottom: 8px;
}

.page-faq .faq-panel .panel-body a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  transition: border-color 0.3s ease;
}

.page-faq .faq-panel .panel-body a:hover {
  border-bottom-color: var(--color-gold);
}

.page-faq .faq-device-media {
  margin-top: 24px;
  max-width: 460px;
}

.page-faq .media-frame {
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--faq-rule);
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media-label {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  background: var(--color-card);
  padding: 4px 10px;
  border-left: 2px solid var(--color-gold);
}

.page-faq .faq-guide {
  padding: 40px 0;
  border-top: 1px solid var(--faq-rule);
  border-bottom: 1px solid var(--faq-rule);
  background: var(--color-bg-alt);
  margin-bottom: 48px;
}

.page-faq .faq-guide .section-head h2 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  margin: 6px 0 8px;
}

.page-faq .guide-steps {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .guide-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--faq-rule);
  transition: background-color 0.3s ease;
}

.page-faq .guide-step:last-child {
  border-bottom: none;
}

.page-faq .guide-step:hover {
  background-color: rgba(10, 92, 42, 0.12);
}

.page-faq .guide-step-no {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1.4;
  flex-shrink: 0;
  min-width: 44px;
}

.page-faq .guide-step-title {
  font-family: var(--font-head);
  font-size: 1.125rem;
  margin: 0 0 6px;
  line-height: 1.35;
}

.page-faq .guide-step-body p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.page-faq .guide-step-body a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.35);
  transition: border-color 0.3s ease;
}

.page-faq .guide-step-body a:hover {
  border-bottom-color: var(--color-gold);
}

.page-faq .faq-contact {
  padding: 8px 0 16px;
}

.page-faq .faq-contact .section-head h2 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  margin: 6px 0 8px;
}

.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 28px;
}

.page-faq .faq-contact-visual {
  order: 2;
}

.page-faq .faq-contact-visual .media-frame {
  display: block;
  overflow: hidden;
  border: 1px solid var(--faq-rule);
}

.page-faq .faq-contact-visual .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-contact-methods {
  order: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-contact-item {
  background: var(--color-card);
  border-left: 3px solid var(--color-gold);
  padding: 18px 20px;
  transition: background-color 0.3s ease;
}

.page-faq .faq-contact-item:hover {
  background-color: var(--color-bg-alt);
}

.page-faq .faq-contact-key {
  font-family: var(--font-head);
  font-size: 1rem;
  margin: 0 0 6px;
  color: var(--color-gold);
}

.page-faq .faq-contact-val {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.page-faq .faq-contact-item a {
  color: var(--color-gold);
  text-decoration: none;
}

.page-faq .faq-contact-item a:hover {
  text-decoration: underline;
}

@media (min-width: 720px) {
  .page-faq .faq-tree {
    display: block;
    padding: 16px 0;
  }

  .page-faq .chapter-link.faq-tree-link {
    display: flex;
    width: 100%;
    padding: 8px 12px;
    border: none;
    border-left: 2px solid transparent;
  }

  .page-faq .chapter-link.faq-tree-link.is-active {
    border-left-color: var(--color-gold);
    background-color: rgba(212, 175, 55, 0.08);
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
  }

  .page-faq .faq-contact-visual {
    order: 1;
  }

  .page-faq .faq-contact-methods {
    order: 2;
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-sidebar-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-faq .faq-panel .panel-body {
    padding-left: 72px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: 560px minmax(0, 1fr);
    gap: 32px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero {
    padding-right: 160px;
  }
}