.page-faq {
  --faq-bg-deep: var(--color-navy-deep);
  --faq-bg-navy: var(--color-navy);
  --faq-bg-lighter: var(--color-navy-light);
  --faq-accent: var(--color-orange);
  --faq-green: var(--color-green);
  --faq-paper: var(--color-paper);
  --faq-ink: var(--color-ink);
  --faq-ice: var(--color-ice);
  --faq-muted: var(--color-blue-gray);
  background: var(--faq-bg-deep);
  color: var(--faq-ice);
  overflow-x: clip;
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  background:
    linear-gradient(rgba(255, 107, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 107, 0, 0.05) 1px, transparent 1px),
    var(--faq-bg-navy);
  background-size: 32px 32px;
  padding-top: 2.25rem;
}
.page-faq .faq-hero__inner {
  padding-bottom: 1.25rem;
}
.page-faq .breadcrumbs {
  margin-bottom: 1.25rem;
}
.page-faq .faq-hero__crumb-sep {
  margin: 0 0.375rem;
  opacity: 0.5;
}
.page-faq .faq-hero__title {
  font-family: var(--font-headline);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  font-size: 2.1rem;
  line-height: 1.12;
  max-width: 12em;
  margin: 0 0 0.875rem;
}
.page-faq .faq-hero__lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--faq-muted);
  max-width: 40em;
  margin: 0 0 1.125rem;
}
.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-faq .faq-hero__banner {
  border-top: 2px solid rgba(255, 107, 0, 0.7);
  border-bottom: 2px solid rgba(57, 255, 20, 0.4);
}
.page-faq .faq-hero__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: var(--container-width);
  margin-inline: auto;
}

/* ===== 问题索引 ===== */
.page-faq .faq-index {
  background: var(--faq-bg-deep);
  border-bottom: 1px solid rgba(176, 196, 222, 0.15);
}
.page-faq .faq-index__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  overflow-x: auto;
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
  scrollbar-width: thin;
}
.page-faq .faq-index__label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faq-green);
  white-space: nowrap;
}
.page-faq .faq-index__list {
  display: flex;
  gap: 0.5rem;
}
.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--faq-bg-lighter);
  color: var(--faq-ice);
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  font-size: 0.875rem;
  border: 1px solid rgba(176, 196, 222, 0.15);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}
.page-faq .faq-index__link:hover {
  background: var(--faq-accent);
  color: var(--color-navy-deep);
}
.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--faq-accent);
  transition: color 0.2s ease;
}
.page-faq .faq-index__link:hover .faq-index__num {
  color: var(--color-navy-deep);
}

/* ===== 区块通用 ===== */
.page-faq .faq-section {
  padding: 3rem 0 2.5rem;
  scroll-margin-top: 1.5rem;
}
.page-faq .faq-section--basic {
  background: var(--faq-bg-navy);
  color: var(--faq-ice);
  --faq-card-bg: #0d2555;
  --faq-divider: rgba(176, 196, 222, 0.16);
}
.page-faq .faq-section--query {
  background: var(--faq-bg-lighter);
  color: var(--faq-ice);
  --faq-card-bg: #123063;
  --faq-divider: rgba(176, 196, 222, 0.16);
}
.page-faq .faq-section--account,
.page-faq .faq-section--app {
  background: var(--faq-paper);
  color: var(--faq-ink);
  --faq-card-bg: #fcf7e7;
  --faq-divider: rgba(26, 26, 26, 0.14);
}
.page-faq .faq-section__grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 900px) {
  .page-faq .faq-section__grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }
}
.page-faq .faq-section__kicker {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faq-accent);
  margin: 0 0 0.5rem;
}
.page-faq .faq-section__title {
  font-family: var(--font-headline);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  font-size: 1.9rem;
  line-height: 1.1;
  margin: 0 0 0.75rem;
}
.page-faq .faq-section__desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--faq-muted);
  margin: 0 0 1.5rem;
}
.page-faq .faq-section--account .faq-section__desc,
.page-faq .faq-section--app .faq-section__desc {
  color: rgba(26, 26, 26, 0.75);
}

/* ===== 面板 ===== */
.page-faq .faq-section--account .panel,
.page-faq .faq-section--app .panel {
  background: rgba(255, 255, 255, 0.5);
}
.page-faq .faq-section--account .panel__title,
.page-faq .faq-section--account .panel__body,
.page-faq .faq-section--app .panel__title,
.page-faq .faq-section--app .panel__body {
  color: var(--faq-ink);
}
.page-faq .faq-panel-value {
  font-family: var(--font-data);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--faq-accent);
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin-bottom: 0.375rem;
}
.page-faq .faq-panel-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem 1.5rem;
}
.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.page-faq .faq-stat-num {
  font-family: var(--font-data);
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--faq-accent);
  line-height: 1.1;
}
.page-faq .faq-stat-label {
  font-size: 0.75rem;
  opacity: 0.75;
}

/* ===== 同步图标 ===== */
.page-faq .faq-sync-img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin-top: 1.25rem;
  border: 1px solid rgba(26, 26, 26, 0.12);
  background: rgba(255, 255, 255, 0.4);
}

/* ===== 手风琴列表 ===== */
.page-faq .faq-section__list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  min-width: 0;
}
.page-faq .faq-card {
  background: var(--faq-card-bg);
  border: 1px solid rgba(176, 196, 222, 0.16);
  border-left: 4px solid var(--faq-accent);
}
.page-faq .faq-section--account .faq-card,
.page-faq .faq-section--app .faq-card {
  border-color: rgba(26, 26, 26, 0.12);
}
.page-faq .faq-card__summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  cursor: pointer;
  font-size: 0.9375rem;
  line-height: 1.45;
}
.page-faq .faq-card__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-card__summary:hover {
  background: rgba(255, 255, 255, 0.05);
}
.page-faq .faq-section--account .faq-card__summary:hover,
.page-faq .faq-section--app .faq-card__summary:hover {
  background: rgba(255, 255, 255, 0.55);
}
.page-faq .faq-card__num {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--faq-accent);
  flex: 0 0 1.75rem;
}
.page-faq .faq-card__question {
  flex: 1;
  font-weight: 600;
}
.page-faq .faq-card__icon {
  flex: 0 0 1.5rem;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: var(--font-data);
  font-weight: 700;
}
.page-faq .faq-card__icon::before {
  content: "+";
  font-size: 1.125rem;
  line-height: 1;
}
.page-faq .faq-card[open] .faq-card__icon::before {
  content: "−";
}

/* ===== 手风琴答案 ===== */
.page-faq .faq-card__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
  padding: 0 1rem;
}
.page-faq .faq-card[open] .faq-card__answer {
  grid-template-rows: 1fr;
}
.page-faq .faq-card__answer-inner {
  overflow: hidden;
  min-height: 0;
}
.page-faq .faq-card[open] .faq-card__answer-inner {
  padding-bottom: 0.875rem;
}
.page-faq .faq-card__answer p {
  font-family: var(--font-body);
  margin: 0;
  padding-top: 0.875rem;
  border-top: 1px solid var(--faq-divider);
  font-size: 0.9375rem;
  line-height: 1.7;
  opacity: 0.85;
}
.page-faq .faq-card__answer .faq-inline-link {
  color: var(--faq-accent);
  text-decoration: none;
  font-weight: 600;
}
.page-faq .faq-section--account .faq-card__answer .faq-inline-link,
.page-faq .faq-section--app .faq-card__answer .faq-inline-link {
  color: var(--faq-accent);
}
.page-faq .faq-section__more {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
}
.page-faq .faq-section__more a {
  color: var(--faq-accent);
  text-decoration: none;
}
.page-faq .faq-section__more a::after {
  content: "→";
  margin-left: 0.375rem;
}

/* ===== 联系区块 ===== */
.page-faq .faq-contact {
  background: var(--faq-bg-deep);
  color: var(--faq-ice);
  padding: 3.5rem 0;
}
.page-faq .faq-contact__inner {
  display: grid;
  gap: 2rem;
}
@media (min-width: 900px) {
  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3rem;
  }
}
.page-faq .faq-contact__title {
  font-family: var(--font-headline);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  font-size: 1.75rem;
  margin: 0 0 0.75rem;
  line-height: 1.15;
}
.page-faq .faq-contact__lead {
  font-family: var(--font-body);
  color: var(--faq-muted);
  line-height: 1.7;
  font-size: 0.9375rem;
  margin: 0 0 1.5rem;
}
.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-faq .faq-contact__actions .btn--ghost {
  border-color: var(--faq-muted);
  color: var(--faq-ice);
}
.page-faq .faq-contact__actions .btn--ghost:hover {
  border-color: var(--faq-accent);
  color: var(--faq-accent);
}
.page-faq .faq-contact__home {
  display: inline-block;
  margin-top: 1rem;
  color: var(--faq-muted);
  font-size: 0.875rem;
  text-decoration: none;
}
.page-faq .faq-contact__home:hover {
  color: var(--faq-accent);
}
.page-faq .faq-contact__channels {
  display: grid;
  gap: 0.75rem;
}
.page-faq .faq-channel {
  border: 1px solid rgba(176, 196, 222, 0.18);
  background: rgba(27, 58, 107, 0.35);
  padding: 0.875rem 1rem;
  display: grid;
  gap: 0.25rem;
}
.page-faq .faq-channel__label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--faq-green);
}
.page-faq .faq-channel__value {
  font-family: var(--font-data);
  font-size: 0.9375rem;
  color: var(--faq-ice);
}
.page-faq .faq-contact__note {
  font-size: 0.8125rem;
  color: var(--faq-muted);
  line-height: 1.7;
  margin: 0.5rem 0 0;
}

/* ===== 响应式增强 ===== */
@media (min-width: 720px) {
  .page-faq .faq-hero__title {
    font-size: 2.75rem;
  }
  .page-faq .faq-hero__lead {
    font-size: 1.0625rem;
  }
  .page-faq .faq-section {
    padding: 3.5rem 0 3rem;
  }
}
@media (min-width: 1080px) {
  .page-faq .faq-hero__title {
    font-size: 3.25rem;
  }
  .page-faq .faq-section__title {
    font-size: 2.25rem;
  }
  .page-faq .faq-contact {
    padding: 4rem 0;
  }
}