.page-faq {
  --faq-border-color: var(--color-deep-blue, #0F1B3D);
  --faq-bg-answer: var(--color-cream, #F5F0E1);
  --faq-text-question: var(--color-brown, #2C1810);
  --faq-text-answer: var(--color-charcoal, #1A1A2E);
  --faq-icon-size: 40px;
  --faq-transition-speed: 0.35s;
  --faq-sidebar-width: 260px;
  --faq-gap: 32px;

  background-color: var(--color-off-white, #FAF7F0);
  padding: 0 0 48px 0;
  min-height: 60vh;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 0 16px 0;
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 0.95rem;
  color: var(--color-warm-gray, #8A7F7A);
}

.page-faq .breadcrumb a {
  color: var(--faq-border-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--faq-transition-speed) ease;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--color-gold, #D4A843);
}

.page-faq .breadcrumb .separator {
  color: var(--color-warm-gray, #8A7F7A);
  font-weight: 600;
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--faq-text-question);
  font-weight: 600;
}

/* 标题区 */
.page-faq .faq-header {
  margin-bottom: 32px;
  border-left: 6px solid var(--color-gold, #D4A843);
  padding-left: 20px;
}

.page-faq .faq-header h1 {
  font-family: var(--font-headings, 'Playfair Display', serif);
  font-size: 2.8rem;
  font-weight: 700;
  font-style: italic;
  color: var(--faq-text-question);
  margin: 0 0 12px 0;
  line-height: 1.15;
}

.page-faq .faq-subtitle {
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 1.15rem;
  color: var(--color-warm-gray, #8A7F7A);
  max-width: 720px;
  margin: 0;
  line-height: 1.6;
}

/* 主布局 */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
  align-items: flex-start;
}

.page-faq .faq-main {
  flex: 1 1 100%;
  width: 100%;
}

/* 侧边栏 */
.page-faq .faq-sidebar {
  flex: 0 0 auto;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

.page-faq .sidebar-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border: var(--border-thick);
  box-shadow: var(--shadow-heavy);
  background-color: var(--color-cream, #F5F0E1);
}

/* 分类区块 */
.page-faq .faq-category {
  margin-bottom: 40px;
}

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

/* 分类标题 */
.page-faq .category-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--faq-border-color);
}

.page-faq .category-icon {
  width: var(--faq-icon-size);
  height: var(--faq-icon-size);
  flex-shrink: 0;
  object-fit: contain;
  border: 2px solid var(--color-gold, #D4A843);
  border-radius: var(--radius-sm, 4px);
  padding: 2px;
  background-color: var(--color-cream, #F5F0E1);
}

.page-faq .category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-headings, 'Playfair Display', serif);
  font-size: 1.8rem;
  font-weight: 700;
  font-style: italic;
  color: var(--faq-text-question);
  margin: 0;
}

.page-faq .category-name {
  line-height: 1.2;
}

.page-faq .tag {
  display: inline-block;
  padding: 4px 16px;
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  border-radius: var(--radius-sm, 4px);
  line-height: 1.4;
  flex-shrink: 0;
}

.page-faq .tag-red {
  background-color: var(--color-red, #C73E2B);
}

.page-faq .tag-purple {
  background-color: var(--color-purple, #8B5CF6);
}

.page-faq .tag-green {
  background-color: var(--color-green, #1B4332);
}

/* 手风琴列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 手风琴单项 */
.page-faq .faq-item {
  border: var(--border-thick);
  box-shadow: var(--shadow-card);
  background-color: var(--color-off-white, #FAF7F0);
  transition: box-shadow var(--faq-transition-speed) ease,
              transform var(--faq-transition-speed) ease;
}

.page-faq .faq-item:hover {
  box-shadow: 8px 8px 0 rgba(15, 27, 61, 0.25);
  transform: translate(-1px, -1px);
}

/* 隐藏 checkbox */
.page-faq .faq-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  appearance: none;
  -webkit-appearance: none;
}

/* 问题标签 */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 24px;
  cursor: pointer;
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--faq-text-question);
  background-color: var(--color-off-white, #FAF7F0);
  transition: background-color var(--faq-transition-speed) ease,
              color var(--faq-transition-speed) ease;
  user-select: none;
  -webkit-user-select: none;
  margin: 0;
}

.page-faq .faq-question:hover,
.page-faq .faq-question:focus-visible {
  background-color: var(--color-cream, #F5F0E1);
  color: var(--color-red, #C73E2B);
}

.page-faq .faq-question:focus-visible {
  outline: 3px solid var(--color-gold, #D4A843);
  outline-offset: -3px;
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  line-height: 1.5;
}

/* 箭头 */
.page-faq .faq-arrow {
  flex-shrink: 0;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--faq-border-color);
  transition: transform var(--faq-transition-speed) ease;
  display: inline-block;
}

.page-faq .faq-toggle:checked + .faq-question .faq-arrow {
  transform: rotate(180deg);
}

/* 答案区 */
.page-faq .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--faq-transition-speed) ease,
              padding var(--faq-transition-speed) ease;
  background-color: var(--faq-bg-answer);
  padding: 0 24px;
  border-top: 0 solid var(--faq-border-color);
}

.page-faq .faq-toggle:checked ~ .faq-answer {
  max-height: 320px;
  padding: 18px 24px 24px 24px;
  border-top-width: 2px;
  border-top-style: solid;
}

.page-faq .faq-answer p {
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--faq-text-answer);
  margin: 0 0 8px 0;
}

.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-answer a {
  color: var(--faq-border-color);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
  transition: color var(--faq-transition-speed) ease;
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--color-gold, #D4A843);
}

/* 信任声明 */
.page-faq .trust-statement {
  margin-top: 48px;
  padding: 20px 24px;
  border: var(--border-thick);
  background-color: var(--color-cream, #F5F0E1);
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 0.95rem;
  color: var(--color-warm-gray, #8A7F7A);
  line-height: 1.6;
  text-align: center;
}

.page-faq .trust-statement a {
  color: var(--faq-border-color);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
}

.page-faq .trust-statement a:hover {
  color: var(--color-gold, #D4A843);
}

/* ====== 响应式：平板及以上 ====== */
@media (min-width: 768px) {
  .page-faq {
    padding: 0 0 64px 0;
  }

  .page-faq .faq-header h1 {
    font-size: 3.6rem;
  }

  .page-faq .faq-subtitle {
    font-size: 1.25rem;
  }

  .page-faq .faq-layout {
    flex-direction: row;
    gap: 40px;
  }

  .page-faq .faq-main {
    flex: 1 1 calc(100% - var(--faq-sidebar-width) - 40px);
    max-width: calc(100% - var(--faq-sidebar-width) - 40px);
  }

  .page-faq .faq-sidebar {
    flex: 0 0 var(--faq-sidebar-width);
    max-width: var(--faq-sidebar-width);
    position: sticky;
    top: calc(var(--header-height, 72px) + 24px);
    align-self: flex-start;
    margin: 0;
  }

  .page-faq .category-title {
    font-size: 2rem;
  }

  .page-faq .faq-question {
    padding: 20px 28px;
    font-size: 1.1rem;
  }

  .page-faq .faq-toggle:checked ~ .faq-answer {
    padding: 20px 28px 28px 28px;
  }

  .page-faq .faq-answer p {
    font-size: 1.05rem;
  }
}

/* ====== 响应式：桌面宽屏 ====== */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    gap: 56px;
  }

  .page-faq .faq-main {
    flex: 1 1 calc(100% - 300px - 56px);
    max-width: calc(100% - 300px - 56px);
  }

  .page-faq .faq-sidebar {
    flex-basis: 300px;
    max-width: 300px;
  }

  .page-faq .faq-header h1 {
    font-size: 4rem;
  }
}

/* ====== 减少动画偏好 ====== */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-answer {
    transition: none;
  }

  .page-faq .faq-arrow {
    transition: none;
  }

  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-question {
    transition: none;
  }

  .page-faq .faq-toggle:checked ~ .faq-answer {
    max-height: none;
    padding: 18px 24px 24px 24px;
  }
}

.page-faq {
  --color-warm-gray: currentColor;
}