:root {
  --bg: #fafaf8;
  --fg: #26282b;
  --muted: #7a7d82;
  --accent: #b3542e;
  --card: #ffffff;
  --line: #e5e2dc;
}
html { font-size: 16px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Georgia", "Songti SC", "SimSun", serif;
  line-height: 1.75;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; font-weight: 700; color: var(--fg); }
.brand:hover { text-decoration: none; }
nav a { margin-left: 18px; color: var(--muted); }
nav a:hover { color: var(--accent); }

.hero { padding: 48px 0 8px; }
.hero h1 { font-size: 1.9rem; margin: 0 0 10px; }
.hero p { color: var(--muted); margin: 0 0 24px; }

.post-list { display: grid; gap: 20px; margin: 16px 0 40px; }
.post-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px 24px;
}
.post-card h2 { margin: 6px 0 10px; font-size: 1.3rem; }
.post-card h2 a { color: var(--fg); }
.post-card h2 a:hover { color: var(--accent); }
.post-card p { margin: 0 0 12px; color: #44474b; }
.post-meta { font-size: 0.82rem; color: var(--muted); letter-spacing: 0.02em; }
.read-more { font-size: 0.9rem; }

.sidebar-note {
  border-top: 1px solid var(--line);
  padding: 20px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}
.sidebar-note h3 { color: var(--fg); margin: 0 0 8px; font-size: 1rem; }
.sidebar-note ul { margin: 0; padding-left: 20px; }

.article { padding: 36px 20px 48px; }
.article h1 { font-size: 1.7rem; line-height: 1.4; margin: 6px 0 24px; }
.article h2 { font-size: 1.25rem; margin: 36px 0 12px; border-left: 3px solid var(--accent); padding-left: 10px; }
.article h3 { font-size: 1.05rem; margin: 24px 0 8px; }
.article p { margin: 0 0 16px; }
.article pre {
  background: #2b2d31; color: #e8e6e3;
  padding: 14px 16px; border-radius: 6px;
  overflow-x: auto; font-size: 0.88rem; line-height: 1.6;
}
.article code {
  font-family: "SF Mono", Consolas, "Courier New", monospace;
  background: #f0eee9; padding: 2px 6px; border-radius: 4px; font-size: 0.9em;
}
.article pre code { background: none; padding: 0; }
.article img { max-width: 100%; height: auto; border-radius: 4px; }
.article table { border-collapse: collapse; width: 100%; margin: 16px 0 24px; font-size: 0.95rem; }
.article th, .article td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.article th { background: var(--card); }

.archive-list { list-style: none; padding: 0; }
.archive-list li { padding: 8px 0; border-bottom: 1px dashed var(--line); }
.archive-list time { color: var(--muted); font-size: 0.88rem; margin-right: 12px; font-family: Consolas, monospace; }

.site-footer { border-top: 1px solid var(--line); margin-top: 20px; }
.site-footer p { color: var(--muted); font-size: 0.85rem; padding: 18px 0; margin: 0; }

@media (max-width: 560px) {
  .hero h1 { font-size: 1.5rem; }
  nav a { margin-left: 12px; }
}