/* uam-p1.css — FAQ 页 + 文章来源页脚共享样式（科技蓝响应式） */

:root {
  --uam-blue: #1565c0;
  --uam-blue-dark: #0a3d7a;
  --uam-bg: #f5f8fc;
  --uam-text: #1f2d3d;
  --uam-muted: #5a6b7b;
  --uam-border: #dce6f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--uam-text);
  background: #fff;
  line-height: 1.7;
}

/* 顶部导航 */
.uam-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  background: var(--uam-blue-dark);
  color: #fff;
}
.uam-logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.5px;
}
.uam-header nav a {
  color: #cfe0f5;
  text-decoration: none;
  margin-left: 1.2rem;
  font-size: 0.95rem;
}
.uam-header nav a:hover { color: #fff; }

/* 主体 */
.uam-faq,
.uam-article {
  max-width: 820px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}
.uam-faq h1 {
  color: var(--uam-blue-dark);
  font-size: 1.8rem;
  margin-bottom: 0.4rem;
}
.uam-faq-intro {
  color: var(--uam-muted);
  margin-top: 0;
}

/* FAQ 折叠 */
.uam-faq-list {
  margin-top: 1.5rem;
  border-top: 1px solid var(--uam-border);
}
.uam-faq-list details {
  border-bottom: 1px solid var(--uam-border);
  padding: 0.2rem 0;
}
.uam-faq-list summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.85rem 0.5rem;
  list-style: none;
  color: var(--uam-text);
}
.uam-faq-list summary::-webkit-details-marker { display: none; }
.uam-faq-list summary::before {
  content: "+";
  display: inline-block;
  width: 1.4rem;
  color: var(--uam-blue);
  font-weight: 700;
}
.uam-faq-list details[open] summary::before { content: "\2212"; }
.uam-faq-list p {
  margin: 0 0 1rem 1.9rem;
  color: var(--uam-muted);
}

/* 文章来源页脚 */
.uam-article-meta {
  margin-top: 2rem;
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  color: var(--uam-muted);
  background: var(--uam-bg);
  border-left: 3px solid var(--uam-blue);
  border-radius: 4px;
}

/* 页脚 */
.uam-footer {
  border-top: 1px solid var(--uam-border);
  padding: 1.5rem;
  text-align: center;
  color: var(--uam-muted);
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .uam-header { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
  .uam-header nav a { margin: 0 1rem 0 0; }
  .uam-faq h1 { font-size: 1.5rem; }
}