.page-faq {
  --faq-bg: var(--color-cream, #F1FAEE);
  --faq-card-bg: #ffffff;
  --faq-border: var(--color-grid, #A8DADC);
  --faq-text: var(--color-dark, #0B1D2A);
  --faq-accent: var(--color-red, #E63946);
  --faq-heading: var(--color-blue, #1D3557);
  --faq-gold: var(--color-gold, #F4A261);
  --faq-hover: var(--color-hover, #E76F51);
  --faq-radius: 0px;
  --faq-shadow: 0 2px 8px rgba(0,0,0,0.06);
  --faq-max-width: var(--max-width, 1200px);

  display: block;
  width: 100%;
  max-width: var(--faq-max-width);
  margin: 0 auto;
  padding: 0 16px 48px;
  background: var(--faq-bg);
  color: var(--faq-text);
  font-family: var(--font-body, 'Inter', system-ui, sans-serif);
  line-height: 1.6;
}

/* 面包屑 */
.faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 16px 0 8px;
  font-size: var(--size-sm, 14px);
  color: var(--faq-text);
  opacity: 0.75;
}
.faq-breadcrumb a {
  color: var(--faq-heading);
  text-decoration: none;
  transition: color var(--transition, 0.2s ease);
}
.faq-breadcrumb a:hover {
  color: var(--faq-accent);
}
.faq-breadcrumb-sep {
  color: var(--faq-border);
}
.faq-breadcrumb [aria-current="page"] {
  color: var(--faq-text);
  font-weight: var(--weight-data, 700);
}

/* 首屏 */
.faq-hero {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 16px 0 24px;
  border-bottom: 1px solid var(--faq-border);
  margin-bottom: 32px;
}
.faq-hero-text {
  flex: 1 1 auto;
}
.faq-hero-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: var(--weight-heading, 900);
  font-size: var(--size-2xl, 48px);
  line-height: 1.1;
  color: var(--faq-heading);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.faq-hero-sub {
  font-size: var(--size-base, 16px);
  color: var(--faq-text);
  opacity: 0.85;
  max-width: 640px;
  margin: 0;
}
.faq-hero-visual {
  flex: 0 0 auto;
  width: 100%;
}
.faq-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-border);
}

/* 分类网格 */
.faq-categories {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

/* 分类卡片 */
.faq-category {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border);
  padding: 20px 16px;
  transition: box-shadow var(--transition, 0.2s ease);
}
.faq-category:hover {
  box-shadow: var(--faq-shadow);
}
.faq-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--faq-accent);
}
.faq-cat-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  object-fit: contain;
  border: 1px solid var(--faq-border);
  padding: 4px;
}
.faq-cat-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: var(--weight-heading, 900);
  font-size: var(--size-lg, 24px);
  color: var(--faq-heading);
  margin: 0;
  line-height: 1.2;
}

/* 问答列表 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* 手风琴项 */
.faq-item {
  border-bottom: 1px solid var(--faq-border);
  transition: background var(--transition, 0.2s ease);
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-item:hover {
  background: rgba(29, 53, 87, 0.03);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  font-size: var(--size-base, 16px);
  font-weight: var(--weight-data, 700);
  color: var(--faq-heading);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition, 0.2s ease);
  line-height: 1.4;
}
.faq-question::-webkit-details-marker {
  display: none;
}
.faq-question::marker {
  display: none;
  content: '';
}
.faq-question::after {
  content: '+';
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--size-md, 20px);
  font-weight: var(--weight-heading, 900);
  color: var(--faq-accent);
  border: 1px solid var(--faq-accent);
  transition: transform var(--transition, 0.2s ease), background var(--transition, 0.2s ease), color var(--transition, 0.2s ease);
  line-height: 1;
}
.faq-item[open] .faq-question::after {
  content: '−';
  transform: rotate(0deg);
  background: var(--faq-accent);
  color: #fff;
}
.faq-question:hover {
  color: var(--faq-hover);
}
.faq-question:hover::after {
  background: var(--faq-accent);
  color: #fff;
}

.faq-answer {
  padding: 0 0 16px;
  font-size: var(--size-sm, 14px);
  color: var(--faq-text);
  opacity: 0.9;
  line-height: 1.7;
  animation: faqFadeIn 0.25s ease;
}
.faq-answer p {
  margin: 0;
}
.faq-answer a {
  color: var(--faq-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition, 0.2s ease);
}
.faq-answer a:hover {
  color: var(--faq-hover);
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 底部行动号召 */
.faq-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 28px 20px;
  border: 1px solid var(--faq-border);
  background: var(--faq-card-bg);
}
.faq-cta-text {
  font-size: var(--size-base, 16px);
  color: var(--faq-text);
  opacity: 0.85;
  margin: 0;
  max-width: 520px;
}
.faq-cta-btn {
  align-self: flex-start;
}

/* 响应式: 平板及以上 */
@media (min-width: 640px) {
  .page-faq {
    padding: 0 24px 64px;
  }
  .faq-hero {
    flex-direction: row;
    align-items: flex-end;
    gap: 32px;
    padding: 24px 0 32px;
  }
  .faq-hero-text {
    flex: 1 1 55%;
  }
  .faq-hero-visual {
    flex: 0 1 40%;
    max-width: 400px;
  }
  .faq-hero-title {
    font-size: var(--size-3xl, 64px);
  }
  .faq-hero-sub {
    font-size: var(--size-md, 20px);
  }
  .faq-category {
    padding: 24px 20px;
  }
  .faq-cat-icon {
    width: 60px;
    height: 60px;
  }
  .faq-cat-title {
    font-size: var(--size-xl, 32px);
  }
  .faq-question {
    font-size: var(--size-md, 20px);
    padding: 16px 0;
  }
  .faq-answer {
    font-size: var(--size-base, 16px);
  }
  .faq-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 32px 28px;
  }
  .faq-cta-text {
    font-size: var(--size-md, 20px);
  }
}

@media (min-width: 960px) {
  .faq-categories {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 28px;
  }
  .faq-category {
    padding: 28px 24px;
  }
  .faq-hero-title {
    font-size: var(--size-3xl, 64px);
  }
  .page-faq {
    padding: 0 32px 80px;
  }
}

@media (max-width: 639px) {
  .faq-hero-img {
    width: 100%;
    height: auto;
    aspect-ratio: 800 / 200;
    object-fit: cover;
  }
  .faq-cat-icon {
    width: 40px;
    height: 40px;
  }
  .faq-cat-title {
    font-size: var(--size-md, 20px);
  }
  .faq-hero-title {
    font-size: var(--size-xl, 32px);
  }
  .faq-hero-sub {
    font-size: var(--size-sm, 14px);
  }
  .faq-question {
    font-size: var(--size-sm, 14px);
    padding: 12px 0;
  }
  .faq-answer {
    font-size: var(--size-xs, 12px);
  }
  .faq-cta {
    padding: 20px 16px;
  }
  .faq-cta-text {
    font-size: var(--size-sm, 14px);
  }
  .faq-breadcrumb {
    font-size: var(--size-xs, 12px);
  }
}