:root {
  --bg: #faf9f7;
  --text: #2d2a26;
  --muted: #8a8378;
  --accent: #c96f4a;
  --card: #ffffff;
  --border: #e8e4dd;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
}

.container { max-width: 720px; margin: 0 auto; padding: 0 24px; }

header.site-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.site-header .logo { font-size: 22px; font-weight: 700; text-decoration: none; color: var(--text); }
.site-header .logo span { color: var(--accent); }

nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 15px; }
nav a:hover { color: var(--accent); }

.hero { padding: 56px 0 40px; }
.hero h1 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.hero p { color: var(--muted); font-size: 17px; max-width: 560px; }

section { padding: 24px 0; }
h2.section-title {
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.post-list { list-style: none; }
.post-list li { margin-bottom: 8px; }
.post-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  transition: border-color .15s ease, transform .15s ease;
}
.post-list a:hover { border-color: var(--accent); transform: translateY(-1px); }
.post-list .title { font-weight: 600; }
.post-list .date { color: var(--muted); font-size: 14px; white-space: nowrap; }

.about-block { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px 22px; }
.about-block p + p { margin-top: 10px; }

footer.site-footer {
  margin-top: 48px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
footer a { color: var(--muted); }

article.post { padding: 48px 0 24px; max-width: 720px; }
article.post h1 { font-size: 28px; margin-bottom: 6px; }
article.post .meta { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
article.post h2 { font-size: 20px; margin: 28px 0 12px; }
article.post p { margin-bottom: 14px; }
article.post ul, article.post ol { margin: 0 0 14px 22px; }
article.post code {
  background: #f0ede8;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.9em;
  font-family: "SF Mono", Consolas, monospace;
}
article.post pre {
  background: #2d2a26;
  color: #f5f2ee;
  border-radius: 10px;
  padding: 16px 18px;
  overflow-x: auto;
  margin-bottom: 16px;
}
article.post pre code { background: none; color: inherit; padding: 0; }

.back-link { display: inline-block; margin-top: 32px; color: var(--accent); text-decoration: none; font-size: 15px; }

@media (max-width: 560px) {
  .hero h1 { font-size: 26px; }
  .post-list a { flex-direction: column; gap: 4px; }
}