:root {
  --ink: #3a3532;
  --muted: #8a817a;
  --bg: #faf7f2;
  --card: #ffffff;
  --accent: #2f6f5e;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
.site-header { border-bottom: 1px solid #e8e1d8; background: var(--card); }
.site-header .wrap { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; }
.brand { font-size: 20px; font-weight: 700; color: var(--ink); text-decoration: none; }
.site-header nav a { margin-left: 18px; color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--accent); }
.hero { padding: 48px 0 8px; text-align: center; }
.hero h1 { font-size: 30px; margin-bottom: 10px; }
.hero p { color: var(--muted); }
.post-list { padding: 24px 0 40px; }
.post-item { background: var(--card); border: 1px solid #eee5da; border-radius: 10px; padding: 20px 22px; margin-bottom: 18px; }
.post-item h2 a { color: var(--ink); text-decoration: none; font-size: 19px; }
.post-item h2 a:hover { color: var(--accent); }
.meta { color: var(--muted); font-size: 13px; margin: 4px 0 8px; }
.summary { color: #6b625b; }
.post { background: var(--card); border: 1px solid #eee5da; border-radius: 10px; padding: 30px 34px; margin: 32px 0 48px; }
.post h1 { font-size: 24px; margin-bottom: 6px; }
.post .content { margin-top: 18px; }
.post .content h2 { font-size: 19px; margin: 22px 0 10px; }
.post .content p { margin: 10px 0; }
.post .content strong { color: var(--ink); }
.site-footer { border-top: 1px solid #e8e1d8; background: var(--card); padding: 22px 0; color: #5f5852; font-size: 14px; text-align: center; }
.site-footer a { color: #2f6f5e; text-decoration: underline; }
@media (max-width: 600px) {
  .hero h1 { font-size: 24px; }
  .post { padding: 22px 18px; }
}