.page-faq {
  --faq-grid-line: rgba(79, 209, 255, 0.07);
  --faq-border: rgba(139, 149, 165, 0.25);
  --faq-surface: rgba(28, 37, 65, 0.92);
  --faq-accent-hover: #ff6b3a;
  position: relative;
  overflow-x: clip;
  background-color: var(--color-bg);
  background-image:
    linear-gradient(var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  padding-bottom: 72px;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 60px;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-hero::before {
  content: "FAQ";
  position: absolute;
  top: 10px;
  right: -10px;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: 9rem;
  line-height: 1;
  color: rgba(79, 209, 255, 0.045);
  letter-spacing: -0.04em;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.page-faq .breadcrumbs a {
  color: var(--color-info);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.page-faq .breadcrumbs a:hover {
  border-bottom-color: var(--color-info);
}

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

.page-faq .faq-hero-tag {
  margin-bottom: 16px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 18px;
  max-width: 760px;
}

.page-faq .faq-hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-muted);
  margin: 0 0 28px;
  max-width: 640px;
}

.page-faq .faq-search-box {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 560px;
  background: var(--faq-surface);
  border: 1px solid var(--faq-border);
  border-radius: calc(var(--radius) + 4px);
  padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-faq .faq-search-box:focus-within {
  border-color: var(--color-info);
  box-shadow: 0 0 0 3px rgba(79, 209, 255, 0.15);
}

.page-faq .faq-search-icon {
  flex: 0 0 auto;
  margin-top: 4px;
  color: var(--color-muted);
  transition: color var(--transition);
}

.page-faq .faq-search-box:focus-within .faq-search-icon {
  color: var(--color-info);
}

.page-faq .faq-search-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  padding: 0;
}

.page-faq .faq-search-input::placeholder {
  color: rgba(139, 149, 165, 0.75);
}

.page-faq .faq-search-suggest {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  display: none;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--faq-border);
  border-radius: calc(var(--radius) + 4px);
  padding: 14px 16px;
  z-index: 30;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.page-faq .faq-search-box:focus-within .faq-search-suggest {
  display: flex;
}

.page-faq .faq-search-suggest-label {
  color: var(--color-muted);
  font-size: 11px;
  text-transform: uppercase;
  margin-right: 4px;
}

.page-faq .faq-search-keyword {
  display: inline-block;
  color: var(--color-info);
  font-family: var(--font-body);
  font-size: 13px;
  text-decoration: none;
  border: 1px solid rgba(79, 209, 255, 0.3);
  border-radius: 999px;
  padding: 4px 12px;
  transition: background-color var(--transition), color var(--transition);
}

.page-faq .faq-search-keyword:hover {
  background: rgba(79, 209, 255, 0.12);
  color: var(--color-text);
}

.page-faq .faq-hero-figure {
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-figure .image-frame {
  background: rgba(28, 37, 65, 0.65);
}

.page-faq .faq-fig-caption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

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

.page-faq .faq-quick {
  padding: 56px 0 36px;
}

.page-faq .section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.page-faq .index-label {
  color: var(--color-accent);
}

.page-faq .faq-quick-head {
  align-items: flex-end;
}

.page-faq .faq-quick-title-wrap {
  flex: 1;
}

.page-faq .faq-quick-title-wrap h2,
.page-faq .faq-contact-card h2 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: 26px;
  line-height: 1.2;
  margin: 0 0 6px;
  color: var(--color-text);
}

.page-faq .faq-quick-desc,
.page-faq .faq-help-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
}

.page-faq .faq-quick-layout {
  display: grid;
  gap: 32px;
}

.page-faq .faq-quick-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-quick-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--faq-surface);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius);
  padding: 14px 16px 14px 20px;
  text-decoration: none;
  color: var(--color-text);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), background-color var(--transition);
}

.page-faq .faq-quick-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.page-faq .faq-quick-card:nth-child(2)::before { background: var(--color-accent-2); }
.page-faq .faq-quick-card:nth-child(3)::before { background: var(--color-info); }
.page-faq .faq-quick-card:nth-child(4)::before { background: var(--color-star); }
.page-faq .faq-quick-card:nth-child(5)::before { background: var(--color-danger); }

.page-faq .faq-quick-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 92, 40, 0.5);
  background: rgba(28, 37, 65, 1);
}

.page-faq .faq-quick-card:hover::before {
  width: 6px;
}

.page-faq .faq-quick-num {
  flex: 0 0 auto;
  min-width: 28px;
  font-size: 14px;
  color: var(--color-accent);
}

.page-faq .faq-quick-card:nth-child(2) .faq-quick-num { color: var(--color-accent-2); }
.page-faq .faq-quick-card:nth-child(3) .faq-quick-num { color: var(--color-info); }
.page-faq .faq-quick-card:nth-child(4) .faq-quick-num { color: var(--color-star); }
.page-faq .faq-quick-card:nth-child(5) .faq-quick-num { color: var(--color-danger); }

.page-faq .faq-quick-q {
  flex: 1;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 600;
}

.page-faq .faq-quick-arrow {
  flex: 0 0 auto;
  font-size: 18px;
  color: var(--color-muted);
  transition: color var(--transition), transform var(--transition);
}

.page-faq .faq-quick-card:hover .faq-quick-arrow {
  color: var(--color-accent);
  transform: translateX(4px);
}

.page-faq .faq-quick-figure {
  margin: 0;
}

.page-faq .faq-help {
  padding: 44px 0 36px;
}

.page-faq .faq-help-head {
  margin-bottom: 28px;
}

.page-faq .faq-help-layout {
  display: grid;
  gap: 28px;
}

.page-faq .faq-sidebar {
  background: var(--faq-surface);
  border: 1px solid var(--faq-border);
  border-radius: calc(var(--radius) + 2px);
  padding: 18px;
}

.page-faq .faq-cat-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--color-muted);
  border-bottom: 1px solid var(--faq-border);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.page-faq .faq-cat-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  border: 1px solid var(--faq-border);
  border-radius: 999px;
  padding: 8px 16px;
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}

.page-faq .faq-cat-link:hover {
  border-color: rgba(79, 209, 255, 0.45);
  color: var(--color-info);
}

.page-faq .faq-cat-current {
  border-color: var(--color-accent);
  background: rgba(255, 92, 40, 0.1);
  color: var(--color-accent);
}

.page-faq .faq-cat-count {
  font-size: 11px;
  background: rgba(139, 149, 165, 0.15);
  border-radius: 10px;
  padding: 2px 8px;
  color: var(--color-muted);
}

.page-faq .faq-cat-current .faq-cat-count {
  background: rgba(255, 92, 40, 0.15);
  color: var(--color-accent);
}

.page-faq .faq-detail-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-margin-top: 120px;
}

.page-faq .faq-cat-heading {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: 22px;
  line-height: 1.2;
  margin: 16px 0 4px;
  color: var(--color-text);
  padding-left: 12px;
  border-left: 4px solid var(--color-accent);
  scroll-margin-top: 120px;
}

.page-faq .faq-cat-heading#faq-data { border-left-color: var(--color-accent-2); }
.page-faq .faq-cat-heading#faq-bookmark { border-left-color: var(--color-info); }
.page-faq .faq-cat-heading#faq-feedback { border-left-color: var(--color-star); }

.page-faq .faq-item {
  position: relative;
  background: var(--faq-surface);
  border: 1px solid var(--faq-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  z-index: 2;
}

.page-faq .faq-item-access::before { background: var(--color-accent); }
.page-faq .faq-item-data::before { background: var(--color-accent-2); }
.page-faq .faq-item-bookmark::before { background: var(--color-info); }
.page-faq .faq-item-feedback::before { background: var(--color-star); }

.page-faq .faq-item[open] {
  border-color: rgba(79, 209, 255, 0.45);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 18px 20px 18px 18px;
  user-select: none;
  -webkit-user-select: none;
}

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

.page-faq .faq-item-type {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  border-radius: 2px;
  padding: 3px 10px;
}

.page-faq .faq-item-access .faq-item-type { background: var(--color-accent); }
.page-faq .faq-item-data .faq-item-type { background: var(--color-accent-2); }
.page-faq .faq-item-bookmark .faq-item-type { background: var(--color-info); }
.page-faq .faq-item-feedback .faq-item-type { background: var(--color-star); }

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

.page-faq .faq-item-toggle {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--faq-border);
  border-radius: 50%;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1;
  transition: border-color var(--transition), color var(--transition);
}

.page-faq .faq-item-toggle::before {
  content: "+";
  display: block;
}

.page-faq .faq-item[open] .faq-item-toggle {
  border-color: var(--color-info);
  color: var(--color-info);
}

.page-faq .faq-item[open] .faq-item-toggle::before {
  content: "−";
}

.page-faq .faq-item-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  opacity: 0;
  border-top: 1px solid transparent;
  transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.25s ease;
}

.page-faq .faq-item[open] .faq-item-a {
  max-height: 600px;
  padding: 4px 20px 18px;
  opacity: 1;
  border-top-color: var(--faq-border);
}

.page-faq .faq-item-a p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-muted);
}

.page-faq .faq-contact-section {
  padding: 48px 0 20px;
}

.page-faq .faq-contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  background:
    linear-gradient(135deg, rgba(255, 92, 40, 0.12), transparent 60%),
    var(--faq-surface);
  border: 1px solid rgba(255, 92, 40, 0.28);
  border-radius: calc(var(--radius) + 4px);
  padding: 32px 28px 44px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 24px) 100%, 0 100%);
}

.page-faq .faq-contact-card h2 {
  margin-bottom: 12px;
}

.page-faq .faq-contact-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 0 14px;
}

.page-faq .faq-contact-phone {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 6px;
}

.page-faq .faq-contact-phone-label {
  font-size: 12px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.page-faq .faq-contact-note {
  font-size: 13px;
  color: var(--color-muted);
  margin: 0;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-accent);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border-radius: var(--radius);
  padding: 12px 22px;
  transition: background-color var(--transition), box-shadow var(--transition);
}

.page-faq .faq-contact-btn:hover {
  background: var(--faq-accent-hover);
  box-shadow: 0 6px 20px rgba(255, 92, 40, 0.25);
}

.page-faq .faq-contact-arrow {
  font-size: 18px;
  transition: transform var(--transition);
}

.page-faq .faq-contact-btn:hover .faq-contact-arrow {
  transform: translateX(4px);
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 64px 0 80px;
  }

  .page-faq .faq-hero::before {
    font-size: 12rem;
    right: -10px;
  }

  .page-faq .faq-hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-faq .faq-quick-layout {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

  .page-faq .faq-help-layout {
    grid-template-columns: 260px 1fr;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 130px;
    padding: 22px 18px;
  }

  .page-faq .faq-cat-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .page-faq .faq-cat-link {
    justify-content: space-between;
    border-radius: var(--radius);
    border: 1px solid transparent;
    padding: 10px 14px;
  }

  .page-faq .faq-cat-link:hover {
    background: rgba(79, 209, 255, 0.06);
    border-color: rgba(79, 209, 255, 0.25);
  }

  .page-faq .faq-cat-current {
    background: none;
    border-left: 4px solid var(--color-accent);
    padding-left: 11px;
  }

  .page-faq .faq-quick-title-wrap h2,
  .page-faq .faq-contact-card h2 {
    font-size: 32px;
  }

  .page-faq .faq-contact-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 40px 44px 52px;
  }

  .page-faq .faq-contact-actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero h1 {
    font-size: 54px;
  }

  .page-faq .faq-quick-head,
  .page-faq .faq-help-head {
    margin-bottom: 36px;
  }

  .page-faq .faq-quick-list {
    gap: 14px;
  }

  .page-faq .faq-quick-card {
    padding-top: 16px;
    padding-bottom: 16px;
  }
}