/*! FAQ — page.faq.css */

.faq-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  margin-top: 32px;
  align-items: start;
}

/* Sidebar TOC */
.faq-toc {
  position: sticky;
  top: 96px;
  padding: 20px 0;
}

.faq-toc .section-label {
  margin-bottom: 12px;
}

.faq-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.faq-toc a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background .2s, color .2s;
}

.faq-toc a:hover {
  background: var(--gray-50);
  color: var(--blue-600);
}

/* Section titles */
.faq-section-title {
  font-size: 1.6rem;
  margin: 48px 0 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  scroll-margin-top: 96px;
}

.faq-section-title:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* FAQ items */
.faq-list {
  min-width: 0;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  margin-bottom: 12px;
  transition: border-color .2s, box-shadow .2s;
}

.faq-item[open] {
  border-color: var(--blue-200);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.08);
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--gray-900);
  list-style: none;
  position: relative;
  padding-right: 56px;
  user-select: none;
  outline: none;
  border-radius: var(--radius);
}

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

.faq-item summary:hover {
  color: var(--blue-700);
}

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--gray-400);
  border-bottom: 2px solid var(--gray-400);
  transform: translateY(-65%) rotate(45deg);
  transition: transform .2s, border-color .2s;
}

.faq-item[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
  border-color: var(--blue-500);
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--gray-700);
  line-height: 1.65;
  font-size: 0.96rem;
}

.faq-answer p {
  margin: 0 0 12px;
}

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

.faq-answer code {
  background: var(--gray-100);
  color: var(--gray-900);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
}

.faq-answer a {
  color: var(--blue-600);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-answer a:hover {
  color: var(--blue-700);
}

/* Responsive */
@media (max-width: 960px) {
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .faq-toc {
    position: static;
    padding: 0;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
  }
  .faq-toc ul {
    grid-template-columns: 1fr 1fr;
    grid-auto-flow: column;
    grid-template-rows: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  .faq-toc a {
    padding: 6px 10px;
    font-size: 0.85rem;
  }
}

@media (max-width: 640px) {
  .faq-item summary {
    padding: 14px 18px;
    padding-right: 44px;
    font-size: 0.95rem;
  }
  .faq-answer {
    padding: 0 18px 18px;
    font-size: 0.92rem;
  }
}