/* 颜鹏飞个人博客 · 极简样式 */
:root {
  --color-bg: #ffffff;
  --color-fg: #1f2937;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-link: #2563eb;
  --color-link-hover: #1d4ed8;
  --color-code-bg: #f3f4f6;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --max-width: 760px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: var(--font-sans);
  line-height: 1.7;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-link-hover); text-decoration: underline; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; margin-top: 2rem; }
h3 { font-size: 1.2rem; margin-top: 1.5rem; }
code, pre { font-family: var(--font-mono); }
pre { background: var(--color-code-bg); padding: 1rem; border-radius: 6px; overflow-x: auto; font-size: 0.9rem; }
code { background: var(--color-code-bg); padding: 0.1em 0.4em; border-radius: 3px; font-size: 0.9em; }
pre code { background: none; padding: 0; }
blockquote { margin: 1rem 0; padding: 0 1rem; border-left: 3px solid var(--color-border); color: var(--color-muted); }
img { max-width: 100%; height: auto; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }

.site-header { border-bottom: 1px solid var(--color-border); padding: 1rem 0; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.site-title { font-size: 1.2rem; font-weight: 700; color: var(--color-fg); }
.site-title:hover { text-decoration: none; }
.site-header nav a { margin-left: 1.25rem; color: var(--color-muted); font-size: 0.95rem; }
.site-header nav a:hover { color: var(--color-link); text-decoration: none; }

main { padding: 2rem 1.25rem 4rem; min-height: 60vh; }
main .container { max-width: var(--max-width); margin: 0 auto; }

.post-list { list-style: none; }
.post-list li { padding: 1rem 0; border-bottom: 1px solid var(--color-border); }
.post-list li a { font-size: 1.1rem; font-weight: 600; }
.post-list li time { display: block; margin-top: 0.25rem; font-size: 0.85rem; color: var(--color-muted); }
.post-excerpt { margin-top: 0.35rem; font-size: 0.92rem; color: var(--color-muted); line-height: 1.55; }

.post header { margin-bottom: 2rem; }
.post header time { color: var(--color-muted); font-size: 0.9rem; }
.post-body { line-height: 1.8; }
.post-body p { margin: 1rem 0; }
.post-body ul, .post-body ol { margin: 0.5rem 0; padding-left: 1.5rem; }
.post-body li { margin: 0.25rem 0; }
.wechat-link { margin-top: 3rem; padding: 1rem; background: var(--color-code-bg); border-radius: 6px; font-size: 0.95rem; }

.site-footer { border-top: 1px solid var(--color-border); padding: 1.5rem 1rem; color: var(--color-muted); font-size: 0.85rem; }
.site-footer .container { max-width: var(--max-width); margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }
.site-footer a { color: var(--color-muted); }
.site-footer a:hover { color: var(--color-link); }
.footer-filing { font-size: 0.78rem; }
.footer-filing a { margin: 0 0.25rem; }