/* FAQ 页面专属样式 */
.page-faq {
  --faq-blue: #7EA7C4;
  --faq-bg-mark: rgba(201, 164, 90, 0.05);
  --faq-line-soft: rgba(49, 68, 92, 0.6);
  position: relative;
  background: var(--bg-deep);
}

/* Hero 区域 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 44px;
  border-bottom: 1px solid var(--line-faint);
  background:
    radial-gradient(900px 300px at 80% 0%, rgba(201, 164, 90, 0.09), transparent 62%),
    linear-gradient(rgba(49, 68, 92, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(49, 68, 92, 0.18) 1px, transparent 1px);
  background-size: 100% 100%, 36px 36px, 36px 36px;
}

.page-faq .faq-bg-mark {
  position: absolute;
  top: 20px;
  right: -10px;
  font-family: var(--font-display);
  font-size: 180px;
  font-weight: 800;
  line-height: 1;
  color: var(--faq-bg-mark);
  pointer-events: none;
  user-select: none;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-faq .faq-hero-title h1 {
  margin: 14px 0 14px;
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.page-faq .faq-hero-summary {
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-faq .faq-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  background: rgba(17, 39, 63, 0.5);
}

.page-faq .faq-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-faq .faq-hero-stat + .faq-hero-stat {
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.page-faq .faq-stat-num {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold-light);
}

.page-faq .faq-stat-label {
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-muted);
}

/* FAQ 布局 */
.page-faq .faq-layout {
  padding: 40px 0 72px;
}

.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-faq .faq-index-label {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 15px;
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1;
  color: var(--text-main);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.page-faq .faq-index-link::before {
  display: none;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--gold);
  border-color: rgba(201, 164, 90, 0.6);
  background: rgba(201, 164, 90, 0.06);
}

/* 分类区块 */
.page-faq .faq-category {
  margin-bottom: 52px;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.page-faq .faq-category:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-category-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-category-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 24px;
  padding: 0 6px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  background: rgba(201, 164, 90, 0.1);
}

.page-faq .faq-category--blue .faq-category-idx {
  color: var(--faq-blue);
  background: rgba(126, 167, 196, 0.1);
}

.page-faq .faq-category--light .faq-category-idx {
  color: var(--gold-light);
  background: rgba(227, 199, 126, 0.1);
}

.page-faq .faq-category--wine .faq-category-idx {
  color: var(--wine);
  background: rgba(155, 44, 44, 0.14);
}

.page-faq .faq-category--gray .faq-category-idx {
  color: var(--text-muted);
  background: rgba(169, 183, 198, 0.1);
}

.page-faq .faq-category--gold .faq-category-head {
  border-bottom-color: rgba(201, 164, 90, 0.3);
}

.page-faq .faq-category--blue .faq-category-head {
  border-bottom-color: rgba(126, 167, 196, 0.3);
}

.page-faq .faq-category--light .faq-category-head {
  border-bottom-color: rgba(227, 199, 126, 0.3);
}

.page-faq .faq-category--wine .faq-category-head {
  border-bottom-color: rgba(155, 44, 44, 0.35);
}

.page-faq .faq-category--gray .faq-category-head {
  border-bottom-color: rgba(169, 183, 198, 0.3);
}

.page-faq .faq-category-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

/* 分类 .page-faq 分栏 */
.page-faq .faq-category-body--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-faq .faq-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 手风琴 */
.page-faq .faq-item {
  border: 1px solid var(--line);
  background: var(--bg-panel);
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.page-faq .faq-item[open] {
  border-color: rgba(201, 164, 90, 0.65);
  background: var(--bg-panel-hover);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1;
  color: var(--gold);
  border: 1px solid rgba(201, 164, 90, 0.38);
  transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
  border-color: var(--gold);
  color: var(--gold-light);
}

.page-faq .faq-answer {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-faq .faq-item[open] .faq-answer {
  padding-top: 13px;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-answer a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-faq .faq-answer a:hover {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
}

/* 媒体图 */
.page-faq .faq-media {
  margin: 0;
  padding: 6px;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  transition: border-color var(--transition-fast);
}

.page-faq .faq-media:hover {
  border-color: rgba(201, 164, 90, 0.5);
}

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

.page-faq .faq-media figcaption {
  padding: 8px 6px 4px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* 联系反馈 CTA */
.page-faq .faq-contact-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px dashed var(--line);
  background: rgba(17, 39, 63, 0.45);
}

.page-faq .faq-contact-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-faq .faq-contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.page-faq .faq-contact-links a {
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 164, 90, 0.35);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-faq .faq-contact-links a:hover {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
}

.page-faq .faq-contact-links span {
  font-size: 14px;
  color: var(--text-muted);
}

/* 响应式增强 */
@media (min-width: 768px) {
  .page-faq .faq-hero-title h1 {
    font-size: 42px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    align-items: end;
  }

  .page-faq .faq-hero-stats {
    margin-top: 0;
  }

  .page-faq .faq-category-body--split {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-top: 72px;
    padding-bottom: 56px;
  }

  .page-faq .faq-hero-title h1 {
    font-size: 52px;
  }

  .page-faq .faq-bg-mark {
    font-size: 320px;
    right: -28px;
  }

  .page-faq .faq-layout {
    padding-top: 56px;
  }

  .page-faq .faq-grid {
    grid-template-columns: 256px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-height) + 28px);
    align-self: start;
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

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

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

  .page-faq .faq-index--light {
    --index-color: var(--gold-light);
  }

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

  .page-faq .faq-index--gray {
    --index-color: var(--text-muted);
  }

  .page-faq .faq-index-link {
    display: flex;
    width: 100%;
    padding: 13px 0 13px 14px;
    border: 0;
    border-left: 2px solid var(--index-color, var(--line));
    border-radius: 0;
    font-size: 14px;
    background: transparent;
  }

  .page-faq .faq-index-link::before {
    display: block;
    position: absolute;
    left: -5px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--wine);
    opacity: 0;
    transform: translateY(-50%) scale(0.5);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
  }

  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    border-left-color: var(--gold);
    background: transparent;
  }

  .page-faq .faq-index-link:hover::before,
  .page-faq .faq-index-link:focus-visible::before {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}