/* ===== 页面: FAQ（.page-faq）========================================= */
/* 移动端优先，专属选择器全部限定在 .page-faq 内                   */

/* ---------- 通用区域 ---------- */
.page-faq {
  --faq-gold: var(--gold);
  --faq-orange: var(--accent-orange);
  --faq-deep: var(--deep-blue);
  --faq-light: var(--light-gray);
  --faq-bg-card: var(--deep-blue-light, #112b4a);
  --faq-index-w: 210px;
  --faq-gap: 32px;
  --faq-radius: var(--radius-cut, 4px);
  background: var(--faq-deep);
  color: var(--white);
  padding: 1.5rem 0 4rem;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
}

.page-faq__wrapper { max-width: var(--container-max, 1200px); margin: 0 auto; padding: 0 1rem; }

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb { display: flex; flex-wrap: wrap; gap: 0.35rem 0.3rem; font-size: 0.75rem; letter-spacing: 0.04em; margin-bottom: 1.25rem; opacity: 0.65; }
.page-faq .breadcrumb a { color: var(--faq-gold); text-decoration: none; transition: opacity 0.2s; }
.page-faq .breadcrumb a:hover { opacity: 0.8; }
.page-faq .breadcrumb__separator { color: var(--white); opacity: 0.4; }

/* ---------- 标题区 ---------- */
.page-faq__hero { margin-bottom: 2.5rem; }
.page-faq__heading { font-family: var(--font-heading, 'Space Grotesk', 'Noto Sans SC', sans-serif); font-weight: 700; font-size: 2rem; line-height: 1.2; color: var(--white); margin: 0 0 0.5rem; }
.page-faq__subtitle { font-size: 0.95rem; color: var(--light-gray); max-width: 620px; opacity: 0.8; margin: 0; }

/* ---------- 双栏布局 ---------- */
.page-faq__layout { display: flex; flex-direction: column; gap: 2rem; }

/* ---------- 左侧索引 ---------- */
.page-faq__index { position: sticky; top: calc(var(--header-height, 72px) + 1rem); align-self: start; }
.page-faq__index-inner { background: var(--faq-bg-card); border: 1px solid rgba(212, 175, 55, 0.18); border-radius: var(--faq-radius); padding: 1.25rem 1rem; }
.page-faq__index-label { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faq-gold); margin-bottom: 0.85rem; font-weight: 600; }
.page-faq__index-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.page-faq__index-link { display: block; font-size: 0.85rem; color: var(--light-gray); text-decoration: none; padding: 0.35rem 0.5rem; border-radius: 3px; transition: background 0.25s, color 0.25s; }
.page-faq__index-link:hover { background: rgba(212, 175, 55, 0.12); color: var(--faq-gold); }
/* 悬停预展开（配合 JS 增强） */
.page-faq__index-link[data-hover-expand] {  }

/* ---------- 右侧答案 ---------- */
.page-faq__answers { flex: 1; min-width: 0; }

/* ---------- 区块 ---------- */
.page-faq__section { margin-bottom: 3.2rem; }
.page-faq__section-title { display: flex; align-items: baseline; gap: 0.5rem; margin: 0 0 1.25rem; font-family: var(--font-heading, 'Space Grotesk', 'Noto Sans SC', sans-serif); }
.page-faq__section-number { font-size: 2rem; font-weight: 700; color: var(--faq-gold); line-height: 1; letter-spacing: -0.02em; }
.page-faq__section-label { font-size: 1.3rem; font-weight: 600; color: var(--white); text-transform: uppercase; letter-spacing: 0.02em; }

.page-faq__list { margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.75rem; }

/* ---------- 手风琴项 ---------- */
.page-faq__item { margin: 0; }
.page-faq__details { background: var(--faq-bg-card); border: 1px solid rgba(212, 175, 55, 0.10); border-radius: var(--faq-radius); transition: border-color 0.25s, box-shadow 0.25s; overflow: hidden; }
.page-faq__details[open] { border-color: rgba(212, 175, 55, 0.35); box-shadow: 0 2px 12px rgba(212, 175, 55, 0.06); }

.page-faq__question {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
  padding: 0.85rem 1rem 0.85rem 1.2rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--white);
  list-style: none;
  transition: background 0.2s;
}
.page-faq__question::-webkit-details-marker { display: none; }
.page-faq__question::marker { display: none; content: ''; }
.page-faq__question:hover { background: rgba(212, 175, 55, 0.04); }

.page-faq__q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  background: var(--faq-gold);
  color: var(--faq-deep);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 2px;
  flex-shrink: 0;
}
.page-faq__q-text { flex: 1; color: var(--white); }

/* 展开后问题背景微变 */
.page-faq__details[open] .page-faq__question { background: rgba(212, 175, 55, 0.07); }

/* ---------- 答案内容 ---------- */
.page-faq__answer { padding: 0.2rem 1rem 1.2rem 1.2rem; font-size: 0.9rem; line-height: 1.65; color: var(--light-gray); }
.page-faq__answer p { margin: 0 0 0.75rem; }
.page-faq__answer a { color: var(--faq-orange); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- 图片占位 ---------- */
.page-faq__figure { margin: 1rem 0 1.2rem; max-width: 400px; }
.page-faq__figure .img-container { border-radius: var(--faq-radius); overflow: hidden; }
.page-faq__figure figcaption { margin-top: 0.4rem; color: var(--light-gray); opacity: 0.7; font-size: 0.75rem; }

/* ---------- 区块底部链接 ---------- */
.page-faq__section-more { margin-top: 1rem; font-size: 0.85rem; color: var(--light-gray); opacity: 0.7; }
.page-faq__section-more a { color: var(--faq-gold); text-decoration: none; }
.page-faq__section-more a:hover { text-decoration: underline; }

/* ---------- 底部导航 ---------- */
.page-faq__bottom-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(212, 175, 55, 0.18); }
.page-faq__bottom-label { font-size: 0.9rem; font-weight: 600; color: var(--light-gray); margin-right: 0.5rem; }
.page-faq__bottom-nav .btn { font-size: 0.85rem; padding: 0.45rem 1.1rem; text-decoration: none; }

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-faq { padding: 2.5rem 0 5rem; }
  .page-faq__heading { font-size: 2.8rem; }
  .page-faq__subtitle { font-size: 1.05rem; }
  .page-faq__layout { flex-direction: row; gap: 2.5rem; }
  .page-faq__index { width: var(--faq-index-w); flex-shrink: 0; }
  .page-faq__answers { flex: 1; }
  .page-faq__section-number { font-size: 2.4rem; }
  .page-faq__section-label { font-size: 1.5rem; }
  .page-faq__question { padding: 0.9rem 1.2rem 0.9rem 1.5rem; font-size: 1.05rem; }
  .page-faq__answer { padding: 0.3rem 1.5rem 1.4rem 1.5rem; }
}

/* 大桌面扩展 */
@media (min-width: 1024px) {
  .page-faq__layout { gap: 3.5rem; }
  .page-faq__index { width: 230px; }
}
</PAGE_CSS>