.page-faq {
  background: var(--color-snow);
  scroll-behavior: smooth;
}

.page-faq section[id],
.page-faq .page-faq__more {
  scroll-margin-top: 28px;
}

.page-faq__hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 44px;
  background:
    linear-gradient(135deg, rgba(11, 79, 108, 0.11) 0%, transparent 42%),
    var(--color-snow);
  border-bottom: 1px solid var(--color-border);
}

.page-faq__hero-grid {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-faq__hero-copy .eyebrow {
  color: var(--color-accent);
  margin-bottom: 12px;
}

.page-faq__hero-copy .lede {
  max-width: 680px;
  margin-top: 16px;
}

.page-faq__hero-panel {
  position: relative;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 24px;
  box-shadow: var(--shadow-md);
  transform: rotate(0.6deg);
}

.page-faq__hero-panel::before {
  content: "";
  position: absolute;
  right: -8px;
  top: 16px;
  width: 48px;
  height: 12px;
  background: var(--color-accent);
}

.page-faq__hero-kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.72;
}

.page-faq__hero-number {
  font-size: 2rem;
  line-height: 1.1;
  margin: 0 0 8px;
}

.page-faq__hero-desc {
  margin: 0;
  font-size: 0.8125rem;
  opacity: 0.85;
}

.page-faq__wrap {
  padding-top: 40px;
  padding-bottom: 72px;
}

.page-faq__layout {
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-faq__main {
  min-width: 0;
}

.page-faq__group {
  margin-bottom: 48px;
}

.page-faq__group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--color-primary);
}

.page-faq__group-num {
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 700;
}

.page-faq__group-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.page-faq__list {
  display: grid;
  gap: 12px;
}

.page-faq__item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq__item[open] {
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.page-faq__q {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 16px 20px;
  cursor: pointer;
  list-style: none;
}

.page-faq__q::-webkit-details-marker,
.page-faq__q::marker {
  display: none;
  content: "";
}

.page-faq__q-num {
  min-width: 34px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-gray);
  transition: color var(--ease);
}

.page-faq__q:hover .page-faq__q-num {
  color: var(--color-accent);
}

.page-faq__q-text {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--color-ink);
  transition: color var(--ease);
}

.page-faq__q:hover .page-faq__q-text {
  color: var(--color-primary);
}

.page-faq__q-state {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-gray);
  border: 1px solid var(--color-border);
  padding: 4px 8px;
  transition: color var(--ease), border-color var(--ease);
}

.page-faq__q-state::after {
  content: "展开";
}

.page-faq__item[open] .page-faq__q-state {
  color: var(--color-green);
  border-color: rgba(95, 168, 0, 0.45);
}

.page-faq__item[open] .page-faq__q-state::after {
  content: "已展开";
}

.page-faq__a {
  padding: 4px 20px 20px 66px;
  border-top: 1px dashed var(--color-border);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-gray);
}

.page-faq__a p {
  margin: 12px 0;
}

.page-faq__a a {
  color: var(--color-lake);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--ease);
}

.page-faq__a a:hover {
  color: var(--color-accent);
}

.page-faq__figure {
  margin: 20px 0 0;
  padding: 12px;
  background: var(--color-snow);
  border: 1px solid var(--color-border);
}

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

.page-faq__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--color-gray);
}

.page-faq__a-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq__a-tags li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(11, 79, 108, 0.07);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.4;
}

.page-faq__side {
  display: grid;
  gap: 20px;
  align-self: start;
}

.page-faq__side-panel {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 20px;
}

.page-faq__side-kicker {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-faq__side-title {
  margin: 0 0 16px;
  font-size: 1.0625rem;
  font-weight: 900;
  color: var(--color-ink);
}

.page-faq__side-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-border);
}

.page-faq__side-item {
  border-bottom: 1px solid var(--color-border);
}

.page-faq__side-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 2px;
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  transition: color var(--ease), padding-left var(--ease);
}

.page-faq__side-link span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--color-gray);
  transition: color var(--ease);
}

.page-faq__side-link:hover,
.page-faq__side-link:hover span {
  color: var(--color-accent);
}

.page-faq__side-link:hover {
  padding-left: 6px;
}

.page-faq__fact {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 20px;
  box-shadow: var(--shadow-md);
}

.page-faq__fact-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.page-faq__fact-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq__fact-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-white);
}

.page-faq__fact-unit {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.85);
}

.page-faq__fact-desc {
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.75);
}

.page-faq__fact-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.25);
  margin: 12px 0;
}

.page-faq__side-note {
  padding: 16px 20px;
  background: rgba(29, 120, 116, 0.08);
  border-left: 3px solid var(--color-lake);
}

.page-faq__side-note p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-gray);
}

.page-faq__side-guide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 18px;
  background: var(--color-snow);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-faq__side-guide:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background-color: var(--color-white);
}

.page-faq__byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 48px 0 0;
  padding: 16px 0;
  border-top: 2px solid var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}

.page-faq__byline-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.page-faq__byline-text {
  font-weight: 800;
  color: var(--color-ink);
}

.page-faq__byline-meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
}

.page-faq__more {
  margin-top: 24px;
}

.page-faq__more-panel {
  position: relative;
  display: grid;
  gap: 24px;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.page-faq__more-panel::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -46px;
  width: 140px;
  height: 140px;
  background: var(--color-accent);
  opacity: 0.35;
  transform: rotate(16deg);
}

.page-faq__more-copy {
  position: relative;
  z-index: 1;
}

.page-faq__more-kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.page-faq__more-title {
  margin: 0 0 10px;
  color: var(--color-white);
  font-size: 1.375rem;
  font-weight: 900;
}

.page-faq__more-copy p {
  margin: 0;
  max-width: 560px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.page-faq__more-action {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq__more .btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: var(--color-white);
  background: transparent;
}

.page-faq__more .btn-outline:hover {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  .page-faq__more-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 992px) {
  .page-faq__hero-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: end;
  }

  .page-faq__layout {
    grid-template-columns: minmax(0, 1fr) 316px;
    gap: 48px;
  }
}