/* 静态内容页样式（/guide/*.html 专用，不经过 Vite 构建，直接原样部署） */
:root {
  --ink: #1f2937;
  --muted: #6b7280;
  --brand: #4f46e5;
  --line: #e5e7eb;
  --bg-soft: #f9fafb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.8;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
.nav {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.nav-inner {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.logo {
  width: 1.75rem;
  height: 1.75rem;
  background: var(--brand);
  color: #fff;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.nav a.brand { font-weight: 700; color: var(--ink); text-decoration: none; }
.nav .spacer { margin-left: auto; }
.nav .cta { font-size: 0.875rem; color: var(--brand); text-decoration: none; font-weight: 600; }
main { max-width: 46rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.crumb { font-size: 0.8125rem; color: var(--muted); margin-bottom: 1.5rem; }
.crumb a { color: var(--muted); }
h1 { font-size: 1.875rem; line-height: 1.35; margin: 0 0 0.75rem; }
h2 { font-size: 1.25rem; margin: 2.5rem 0 0.75rem; padding-top: 0.5rem; border-top: 1px solid var(--line); }
h3 { font-size: 1.0625rem; margin: 1.75rem 0 0.5rem; }
p, li { color: #374151; }
.lede { color: var(--muted); font-size: 1.0625rem; margin-bottom: 0.5rem; }
.meta { font-size: 0.8125rem; color: var(--muted); margin-bottom: 2rem; }
a { color: var(--brand); }
ul, ol { padding-left: 1.25rem; }
li { margin: 0.375rem 0; }
table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.9375rem; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 0.5rem 0.75rem; text-align: left; vertical-align: top; }
th { background: var(--bg-soft); font-weight: 600; }
.note {
  background: var(--bg-soft);
  border-left: 3px solid var(--brand);
  padding: 0.875rem 1rem;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}
.cta-box {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  text-align: center;
}
.cta-box .btn {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--brand);
  color: #fff;
  border-radius: 0.625rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
}
.related { margin-top: 3rem; }
.related h2 { border-top: 1px solid var(--line); }
footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1.25rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--muted);
}
.card-list { list-style: none; padding: 0; }
.card-list li {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1rem 1.125rem;
  margin: 0.75rem 0;
}
.card-list a { font-weight: 600; text-decoration: none; font-size: 1.0625rem; }
.card-list p { margin: 0.375rem 0 0; color: var(--muted); font-size: 0.9375rem; }