/* 语伴 · 指南独立页样式 */

:root {
  --color-brand: #6f7ce0;
  --color-brand-soft: #a3acea;
  --color-text: #1f2030;
  --color-text-soft: #5a5c70;
  --color-text-mute: #9295a8;
  --color-bg-cool: #f4f5fa;
  --color-border: #ececf1;
  --gradient-brand: linear-gradient(135deg, #7884e8 0%, #a87bd2 100%);
  --gradient-brand-soft: linear-gradient(135deg, #eef1fc 0%, #f6edfa 100%);
  --radius-sm: 8px;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, #ede4f6 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 0%, #e6ebfa 0%, transparent 55%),
    #f9f9fc;
  background-attachment: fixed;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

.guide-top {
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255,255,255,0.7);
  backdrop-filter: saturate(140%) blur(10px);
}
.guide-top a { color: var(--color-text-soft); text-decoration: none; font-size: 0.95rem; }
.guide-top a:hover { color: var(--color-brand); }

article.markdown-body {
  max-width: 780px;
  margin: 2rem auto 4rem;
  padding: 0 1.5rem;
  line-height: 1.78;
  font-size: 0.98rem;
  color: var(--color-text);
}
article.markdown-body h1 {
  font-size: 2rem; margin: 1rem 0 1.2rem;
  padding-bottom: 0.5rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
article.markdown-body h2 {
  font-size: 1.45rem; margin: 2.2rem 0 0.8rem;
  padding-bottom: 0.4rem; border-bottom: 1px solid var(--color-border);
}
article.markdown-body h3 { font-size: 1.18rem; margin: 1.8rem 0 0.6rem; color: var(--color-text); }
article.markdown-body h4 { font-size: 1.02rem; margin: 1.4rem 0 0.5rem; color: var(--color-text); }
article.markdown-body p { margin: 0.7rem 0; }
article.markdown-body ul, article.markdown-body ol { margin: 0.5rem 0 1rem 1.7rem; }
article.markdown-body li { margin: 0.35rem 0; }
article.markdown-body strong { color: var(--color-text); font-weight: 600; }
article.markdown-body em { color: var(--color-text-soft); }

article.markdown-body code {
  background: var(--color-bg-cool); padding: 2px 7px; border-radius: var(--radius-sm);
  font-size: 0.88em; font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--color-brand);
}
article.markdown-body pre {
  background: #1f2030; color: #eee; padding: 1rem; border-radius: var(--radius);
  overflow-x: auto; font-size: 0.85rem; line-height: 1.6;
}
article.markdown-body pre code { background: transparent; color: inherit; padding: 0; border-radius: 0; }
article.markdown-body blockquote {
  margin: 1rem 0; padding: 0.7rem 1.2rem;
  border-left: 4px solid var(--color-brand-soft);
  color: var(--color-text-soft);
  background: var(--gradient-brand-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}
article.markdown-body table {
  border-collapse: collapse; margin: 1rem 0; font-size: 0.92rem; width: 100%;
}
article.markdown-body th, article.markdown-body td {
  border: 1px solid var(--color-border); padding: 0.6rem 0.9rem;
}
article.markdown-body th { background: var(--color-bg-cool); font-weight: 600; }
article.markdown-body hr { border: 0; border-top: 1px solid var(--color-border); margin: 2rem 0; }
article.markdown-body a { color: var(--color-brand); text-decoration: none; border-bottom: 1px solid transparent; }
article.markdown-body a:hover { border-bottom-color: var(--color-brand); }

footer.guide-bottom {
  text-align: center; padding: 2rem 1rem; color: var(--color-text-mute); font-size: 0.8rem;
  border-top: 1px solid var(--color-border);
}