/* blog theme */
:root {
  --accent: #2b6cb0;
  --text: #3a3f44;
  --muted: #8a9199;
  --bg: #f2f4f6;
  --card: #ffffff;
  --border: #e6e9ec;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  background: linear-gradient(135deg, #1e4e79 0%, #2b6cb0 55%, #3f8bcf 100%);
  color: #fff;
}
.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 20px 30px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.site-title { font-size: 30px; font-weight: 700; letter-spacing: .5px; }
.site-title a { color: #fff; }
.site-title a:hover { text-decoration: none; }
.site-desc { margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, .82); }
.main-nav a {
  color: rgba(255, 255, 255, .88);
  margin-left: 22px;
  font-size: 15px;
  padding-bottom: 5px;
}
.main-nav a:hover { color: #fff; text-decoration: none; }
.main-nav a.active { color: #fff; border-bottom: 2px solid #fff; }

.container {
  max-width: 1080px;
  margin: 26px auto;
  padding: 0 20px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.content { flex: 1 1 auto; min-width: 0; }
.sidebar { width: 300px; flex: 0 0 300px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 26px;
  margin-bottom: 22px;
  box-shadow: 0 1px 2px rgba(20, 40, 60, .05);
}
.post-title { font-size: 21px; line-height: 1.45; }
.post-title a { color: var(--text); }
.post-title a:hover { color: var(--accent); text-decoration: none; }
.post-meta { margin: 8px 0 12px; font-size: 13px; color: var(--muted); }
.post-meta a { color: var(--muted); }
.post-meta a:hover { color: var(--accent); }
.post-excerpt { color: #555c63; font-size: 15px; }
.read-more { display: inline-block; margin-top: 12px; font-size: 14px; }

.widget {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 22px;
}
.widget h3 {
  font-size: 15px;
  border-left: 4px solid var(--accent);
  padding-left: 10px;
  margin-bottom: 12px;
}
.widget ul { list-style: none; font-size: 14px; }
.widget li { margin: 8px 0; display: flex; justify-content: space-between; }
.widget li span { color: var(--muted); }
.widget p { font-size: 14px; color: #555c63; }

.article-title { font-size: 26px; line-height: 1.4; }
.article-body { margin-top: 18px; }
.article-body p { margin: 14px 0; }
.article-body h2 { font-size: 20px; margin: 28px 0 10px; }
.article-body ul, .article-body ol { padding-left: 24px; margin: 12px 0; }
.article-body li { margin: 6px 0; }
.article-body strong { color: #2c3136; }
.article-body code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: #f3f5f7;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13.5px;
  color: #c7254e;
}
.article-body pre {
  background: #282c34;
  color: #dcdfe4;
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 16px 0;
}
.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1.7;
}
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: #f3f7fb;
  color: #555c63;
  padding: 10px 16px;
  margin: 16px 0;
  border-radius: 0 6px 6px 0;
}
.post-tags { margin-top: 26px; font-size: 13px; color: var(--muted); }
.post-tags a {
  display: inline-block;
  background: #eef3f8;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 10px;
  margin-left: 6px;
  font-size: 12.5px;
}
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.archive-list { list-style: none; padding-left: 0 !important; }
.archive-list li { display: flex; gap: 16px; margin: 10px 0; }
.archive-list time {
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
  flex: 0 0 52px;
}
.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 10px 20px 34px;
}
.site-footer p { margin: 4px 0; }

@media (max-width: 860px) {
  .container { flex-direction: column; }
  .sidebar { width: 100%; flex-basis: auto; }
  .header-inner { padding: 26px 18px 22px; }
  .site-title { font-size: 24px; }
  .main-nav a { margin-left: 16px; }
  .card { padding: 18px; }
}