.page-faq {
  --faq-bg: var(--color-cream, #f5f0e8);
  --faq-card-bg: var(--color-warm-gray, #d4c9b8);
  --faq-card-alt-bg: var(--color-white, #ffffff);
  --faq-text: var(--color-deep-gray, #2d2d2d);
  --faq-muted: var(--color-light-gray, #b0b0b0);
  --faq-accent: var(--color-red, #e63946);
  --faq-heading-color: var(--color-blue, #1d3557);
  --faq-border: var(--color-silver, #cad2c5);
  --faq-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.08));
  --faq-radius: var(--border-radius, 8px);
  --faq-space: var(--space-lg, 2rem);
  --faq-space-sm: var(--space-md, 1rem);

  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: var(--space-lg, 2rem) var(--space-md, 1rem) var(--space-xl, 4rem);
  background: var(--faq-bg);
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  color: var(--faq-text);
  line-height: 1.6;
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq__breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  font-size: 0.8125rem;
  color: var(--faq-muted);
  margin-bottom: var(--space-md, 1rem);
  letter-spacing: 0.02em;
}
.page-faq .faq__breadcrumb-item a {
  color: var(--faq-heading-color);
  text-decoration: none;
  transition: color var(--transition-base, 0.25s ease);
}
.page-faq .faq__breadcrumb-item a:hover,
.page-faq .faq__breadcrumb-item a:focus-visible {
  color: var(--faq-accent);
  text-decoration: underline;
}
.page-faq .faq__breadcrumb-item--current {
  color: var(--faq-text);
  font-weight: 500;
}
.page-faq .faq__breadcrumb-sep {
  color: var(--faq-muted);
  user-select: none;
}

/* ---------- Hero 区域 ---------- */
.page-faq .faq__hero {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--faq-space, 2rem);
  margin-bottom: var(--faq-space, 2rem);
  position: relative;
  padding-bottom: var(--faq-space-sm, 1rem);
}
.page-faq .faq__hero-left {
  display: flex;
  align-items: center;
  gap: var(--faq-space-sm, 1rem);
  flex: 1 1 300px;
}
.page-faq .faq__hero-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--faq-card-bg);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--faq-shadow);
}
.page-faq .faq__hero-text {
  flex: 1;
}
.page-faq .faq__hero-title {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--faq-heading-color);
  margin: 0 0 0.25rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.page-faq .faq__hero-desc {
  color: var(--faq-text);
  font-size: 0.9375rem;
  margin: 0;
  opacity: 0.8;
}
.page-faq .faq__hero-right {
  flex: 1 1 260px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.page-faq .faq__search {
  position: relative;
  width: 100%;
  max-width: 320px;
}
.page-faq .faq__search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--faq-muted);
  pointer-events: none;
  width: 18px;
  height: 18px;
}
.page-faq .faq__search-input {
  width: 100%;
  padding: 0.625rem 0.75rem 0.625rem 2.25rem;
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  background: var(--faq-card-alt-bg);
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.9375rem;
  color: var(--faq-text);
  transition: border-color var(--transition-base, 0.25s ease), box-shadow var(--transition-base, 0.25s ease);
  outline: none;
}
.page-faq .faq__search-input::placeholder {
  color: var(--faq-muted);
  opacity: 0.7;
}
.page-faq .faq__search-input:focus {
  border-color: var(--faq-accent);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
}
.page-faq .faq__hero-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--faq-accent);
  border-radius: 2px;
  transform: skewX(-8deg);
  transform-origin: left center;
}

/* ---------- 分类列表 ---------- */
.page-faq .faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--faq-space, 2rem);
  margin-bottom: var(--faq-space, 2rem);
}
.page-faq .faq__category {
  background: var(--faq-card-alt-bg);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  padding: var(--faq-space-sm, 1rem) var(--faq-space-sm, 1rem) var(--faq-space-sm, 1rem);
  border: 1px solid var(--faq-border);
  transition: box-shadow var(--transition-base, 0.25s ease);
}
.page-faq .faq__category:hover {
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,0.06));
}
.page-faq .faq__category-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--faq-space-sm, 1rem);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--faq-border);
}
.page-faq .faq__category-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--faq-card-bg);
  object-fit: cover;
  flex-shrink: 0;
}
.page-faq .faq__category-title {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--faq-heading-color);
  margin: 0;
  letter-spacing: 0.01em;
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq__item {
  border-bottom: 1px solid var(--faq-border);
  margin-bottom: 0;
  transition: background var(--transition-base, 0.25s ease);
}
.page-faq .faq__item:last-of-type {
  border-bottom: none;
}
.page-faq .faq__question {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 0.5rem 0.875rem 0;
  cursor: pointer;
  list-style: none;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--faq-text);
  user-select: none;
  transition: color var(--transition-base, 0.25s ease), padding-left var(--transition-base, 0.25s ease);
  position: relative;
}
.page-faq .faq__question::-webkit-details-marker {
  display: none;
}
.page-faq .faq__question::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--faq-accent);
  border-bottom: 2px solid var(--faq-accent);
  transform: rotate(-45deg);
  transition: transform var(--transition-base, 0.25s ease);
  flex-shrink: 0;
  margin-right: 0.25rem;
}
.page-faq .faq__item[open] > .faq__question::before {
  transform: rotate(45deg);
}
.page-faq .faq__question:hover {
  color: var(--faq-accent);
}
.page-faq .faq__q-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: var(--faq-accent);
  color: var(--faq-card-alt-bg);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.page-faq .faq__answer {
  padding: 0 0.5rem 1rem 2.25rem;
  font-size: 0.9375rem;
  color: var(--faq-text);
  line-height: 1.7;
  opacity: 0.85;
}
.page-faq .faq__answer a {
  color: var(--faq-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-faq .faq__no-result {
  text-align: center;
  padding: var(--faq-space, 2rem) var(--faq-space-sm, 1rem);
  color: var(--faq-muted);
  font-size: 0.9375rem;
}
.page-faq .faq__no-result a {
  color: var(--faq-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 底部内链 ---------- */
.page-faq .faq__cta {
  margin-top: var(--faq-space, 2rem);
  padding: var(--faq-space-sm, 1rem) 0;
  position: relative;
  text-align: center;
}
.page-faq .faq__cta-line {
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--faq-border);
  border-radius: 1px;
}
.page-faq .faq__cta-text {
  font-size: 0.9375rem;
  color: var(--faq-text);
  margin: var(--faq-space-sm, 1rem) 0 0;
  opacity: 0.8;
}
.page-faq .faq__cta-link {
  color: var(--faq-accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base, 0.25s ease), color var(--transition-base, 0.25s ease);
}
.page-faq .faq__cta-link:hover,
.page-faq .faq__cta-link:focus-visible {
  border-bottom-color: var(--faq-accent);
  color: var(--faq-heading-color);
}

/* ---------- 响应式：窄屏 ---------- */
@media (max-width: 639px) {
  .page-faq {
    padding: var(--space-md, 1rem) var(--space-sm, 0.5rem) var(--space-xl, 4rem);
  }
  .page-faq .faq__hero {
    flex-direction: column;
    gap: var(--faq-space-sm, 1rem);
  }
  .page-faq .faq__hero-left {
    flex-wrap: wrap;
  }
  .page-faq .faq__hero-icon {
    width: 48px;
    height: 48px;
  }
  .page-faq .faq__hero-title {
    font-size: 1.5rem;
  }
  .page-faq .faq__hero-right {
    justify-content: stretch;
    width: 100%;
  }
  .page-faq .faq__search {
    max-width: 100%;
  }
  .page-faq .faq__hero-line {
    transform: skewX(-4deg);
  }
  .page-faq .faq__category-title {
    font-size: 1.0625rem;
  }
  .page-faq .faq__category-icon {
    width: 32px;
    height: 32px;
  }
  .page-faq .faq__question {
    font-size: 0.875rem;
    padding: 0.75rem 0.25rem 0.75rem 0;
  }
  .page-faq .faq__answer {
    font-size: 0.875rem;
    padding: 0 0.25rem 0.875rem 1.75rem;
  }
  .page-faq .faq__breadcrumb {
    font-size: 0.75rem;
  }
  .page-faq .faq__cta-text {
    font-size: 0.875rem;
  }
}

/* ---------- 响应式：桌面 ---------- */
@media (min-width: 640px) {
  .page-faq .faq__hero-icon {
    width: 80px;
    height: 80px;
  }
  .page-faq .faq__hero-title {
    font-size: 2.25rem;
  }
  .page-faq .faq__hero-desc {
    font-size: 1rem;
  }
  .page-faq .faq__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--faq-space, 2rem);
    align-items: start;
  }
  .page-faq .faq__category {
    padding: var(--faq-space-sm, 1rem) var(--faq-space-sm, 1rem) var(--faq-space-sm, 1rem);
  }
  .page-faq .faq__category-icon {
    width: 44px;
    height: 44px;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding-top: var(--space-xl, 4rem);
  }
  .page-faq .faq__hero-title {
    font-size: 2.75rem;
  }
  .page-faq .faq__list {
    grid-template-columns: 1fr 1fr;
  }
}