/* ===== FAQ 页面专属 CSS ===== */
.page-faq {
  --faq-gold-soft: rgba(212, 175, 55, 0.14);
  --faq-gold-line: rgba(212, 175, 55, 0.34);
  --faq-panel-gap: 14px;
  padding-bottom: 64px;
}

/* 面包屑 */
.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 28px 0 4px;
  font-size: 0.875rem;
  color: var(--color-text-soft);
}
.page-faq .faq-breadcrumb a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-faq .faq-breadcrumb a:hover {
  color: var(--color-gold-light);
}
.page-faq .faq-breadcrumb .separator {
  color: var(--color-border);
}
.page-faq .faq-breadcrumb .crumb-current {
  color: var(--color-text-soft);
}

/* 英雄区 */
.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 48px;
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold));
  opacity: 0.5;
}
.page-faq .faq-hero-grid {
  display: grid;
  gap: 32px;
}
.page-faq .faq-hero .section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-gold);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.page-faq .faq-hero .section-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--color-white);
  margin: 0 0 16px;
}
.page-faq .faq-hero-lead {
  color: var(--color-text-soft);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 42em;
  margin: 0 0 28px;
}
.page-faq .faq-hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-hero-metric {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  min-width: 96px;
  transition: border-color 0.3s ease;
}
.page-faq .faq-hero-metric:hover {
  border-color: var(--faq-gold-line);
}
.page-faq .faq-hero-metric-value {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 500;
  color: var(--color-gold);
  line-height: 1.2;
}
.page-faq .faq-hero-metric-label {
  color: var(--color-text-soft);
  font-size: 0.78rem;
  margin-top: 4px;
}
.page-faq .faq-hero-visual {
  position: relative;
}
.page-faq .faq-hero-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  aspect-ratio: 3 / 1;
}
.page-faq .faq-hero-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 主布局 */
.page-faq .faq-main {
  padding-top: 12px;
}
.page-faq .faq-layout {
  display: grid;
  gap: 32px;
}

/* 侧边索引 */
.page-faq .faq-sidebar-panel {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
}
.page-faq .faq-sidebar-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin: 0 0 14px;
}
.page-faq .faq-sidebar-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-soft);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.3;
  transition: background 0.2s ease, color 0.2s ease;
}
.page-faq .faq-sidebar-link:hover {
  background: var(--faq-gold-soft);
  color: var(--color-gold);
}
.page-faq .faq-sidebar-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-gold);
  line-height: 1;
}
.page-faq .faq-sidebar-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}
.page-faq .faq-sidebar-count {
  color: var(--color-text-soft);
  font-size: 0.82rem;
}

/* 问答区 */
.page-faq .faq-content {
  min-width: 0;
}
.page-faq .faq-section {
  margin-bottom: 48px;
  scroll-margin-top: 24px;
}
.page-faq .faq-section:last-child {
  margin-bottom: 0;
}
.page-faq .faq-section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}
.page-faq .faq-section-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-gold);
  line-height: 1.1;
  padding-top: 4px;
}
.page-faq .faq-section-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin: 0 0 4px;
}
.page-faq .faq-section-desc {
  color: var(--color-text-soft);
  font-size: 0.88rem;
  margin: 0;
}
.page-faq .faq-list {
  display: grid;
  gap: var(--faq-panel-gap);
}

/* FAQ 手风琴条目 */
.page-faq .faq-item {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.page-faq .faq-item:hover {
  border-color: var(--faq-gold-line);
  box-shadow: 0 6px 30px rgba(6, 12, 26, 0.35);
}
.page-faq .faq-item-title {
  margin: 0;
}
.page-faq .faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  background: transparent;
  border: none;
  padding: 18px 20px;
  text-align: left;
  cursor: pointer;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.45;
  transition: background 0.2s ease;
}
.page-faq .faq-trigger:hover {
  background: rgba(11, 30, 58, 0.35);
}
.page-faq .faq-trigger[aria-expanded="true"] {
  color: var(--color-gold-light);
}
.page-faq .faq-trigger-icon {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}
.page-faq .faq-trigger-icon::before,
.page-faq .faq-trigger-icon::after {
  content: "";
  position: absolute;
  background: var(--color-gold);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.page-faq .faq-trigger-icon::before {
  top: 8px;
  left: 0;
  width: 18px;
  height: 2px;
}
.page-faq .faq-trigger-icon::after {
  top: 0;
  left: 8px;
  width: 2px;
  height: 18px;
}
.page-faq .faq-trigger[aria-expanded="true"] .faq-trigger-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

/* 面板动画 */
.page-faq .expand-panel {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  visibility: hidden;
  transition: grid-template-rows 0.35s ease, opacity 0.28s ease, visibility 0.35s;
}
.page-faq .expand-panel[data-open] {
  grid-template-rows: 1fr;
  opacity: 1;
  visibility: visible;
}
.page-faq .faq-answer {
  min-height: 0;
  overflow: hidden;
  color: var(--color-text-soft);
  font-size: 0.9rem;
  line-height: 1.72;
  padding: 0 20px 20px;
}
.page-faq .faq-answer p {
  margin: 0 0 10px;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-answer a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-gold-line);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-answer a:hover {
  color: var(--color-gold-light);
  border-color: var(--color-gold-light);
}

/* 底部联系卡片 */
.page-faq .faq-contact {
  margin-top: 56px;
}
.page-faq .faq-contact-card {
  display: grid;
  gap: 24px;
  padding: 30px 24px;
  background: linear-gradient(135deg, var(--color-panel) 0%, var(--color-bg-secondary) 100%);
  border: 1px solid var(--faq-gold-line);
  border-radius: var(--radius-lg);
}
.page-faq .faq-contact-card .section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.page-faq .faq-contact-card .section-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
}
.page-faq .faq-contact-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.2;
  margin: 0 0 12px;
}
.page-faq .faq-contact-desc {
  color: var(--color-text-soft);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0 0 20px;
  max-width: 34em;
}
.page-faq .faq-contact-btn {
  min-width: 140px;
}
.page-faq .faq-contact-img {
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-faq .faq-contact-img-frame {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.page-faq .faq-contact-img-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-faq .faq-hero-metric {
    min-width: 128px;
    padding: 16px 22px;
  }
  .page-faq .faq-contact-img-frame {
    width: 160px;
    height: 160px;
  }
  .page-faq .faq-contact-card {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 36px 32px;
  }
  .page-faq .faq-contact-desc {
    margin-bottom: 0;
  }
}

/* 桌面端 */
@media (min-width: 992px) {
  .page-faq .faq-breadcrumb {
    padding-top: 40px;
  }
  .page-faq .faq-hero {
    padding: 56px 0 64px;
  }
  .page-faq .faq-hero-grid {
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    gap: 56px;
  }
  .page-faq .faq-layout {
    grid-template-columns: 240px 1fr;
    gap: 52px;
    align-items: start;
  }
  .page-faq .faq-sidebar {
    position: sticky;
    top: 40px;
  }
  .page-faq .faq-sidebar-panel {
    padding: 26px 22px;
  }
  .page-faq .faq-content {
    max-width: 760px;
  }
  .page-faq .faq-section-head {
    margin-bottom: 24px;
  }
  .page-faq .faq-section-num {
    font-size: 1.7rem;
  }
  .page-faq .faq-trigger {
    padding: 20px 24px;
    font-size: 1rem;
  }
  .page-faq .faq-answer {
    padding: 0 24px 22px;
    font-size: 0.92rem;
  }
  .page-faq .faq-contact {
    margin-top: 72px;
  }
  .page-faq .faq-contact-card {
    padding: 44px 48px;
  }
  .page-faq .faq-contact-img-frame {
    width: 200px;
    height: 200px;
  }
  .page-faq .faq-contact-title {
    font-size: 1.8rem;
  }
}