/* 闲阁 - 技术博客样式 */
:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #888;
  --accent: #2563eb;
  --border: #e5e5e5;
  --code-bg: #f4f4f5;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.75;
  font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 780px; margin: 0 auto; padding: 0 20px; }

/* 顶部导航 */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.nav-inner {
  max-width: 780px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.brand { font-size: 20px; font-weight: 700; color: var(--fg); }
.brand a { color: var(--fg); }
.brand a:hover { text-decoration: none; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: #555; font-size: 15px; }
.nav-links a:hover { color: var(--accent); text-decoration: none; }

/* 主体 */
main { padding: 40px 0 60px; }

.hero { margin-bottom: 40px; }
.hero h1 { font-size: 30px; margin-bottom: 8px; }
.hero .desc { color: var(--muted); font-size: 15px; }

/* 文章列表 */
.post-list { list-style: none; }
.post-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 16px;
}
.post-item h2 { font-size: 19px; margin-bottom: 6px; }
.post-item h2 a { color: var(--fg); }
.post-item h2 a:hover { color: var(--accent); text-decoration: none; }
.post-meta { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.post-excerpt { font-size: 14px; color: #555; }
.tag { display: inline-block; background: #eef2ff; color: var(--accent); font-size: 12px; padding: 2px 8px; border-radius: 4px; margin-right: 6px; }

/* 文章详情 */
.article { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 32px 36px; }
.article h1 { font-size: 26px; margin-bottom: 12px; }
.article h2 { font-size: 20px; margin: 28px 0 10px; }
.article h3 { font-size: 17px; margin: 22px 0 8px; }
.article p { margin-bottom: 14px; }
.article ul, .article ol { margin: 0 0 14px 24px; }
.article li { margin-bottom: 6px; }
.article code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 14px;
}
.article pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 16px 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.6;
}
.article pre code { background: none; color: inherit; padding: 0; }
.article blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  margin: 16px 0;
  color: #555;
  background: #f8fafc;
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
}

/* 页脚 */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

/* 表单 */
form { margin-top: 16px; }
label { display: block; margin-bottom: 4px; font-size: 14px; color: #444; }
input, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 14px; margin-bottom: 16px; font-family: inherit;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
button {
  background: var(--accent); color: #fff; border: none; padding: 10px 24px;
  border-radius: 6px; font-size: 15px; cursor: pointer;
}
button:hover { background: #1d4ed8; }

/* 分页/标签横幅 */
.notice { background: #fefce8; border: 1px solid #fde047; color: #854d0e; padding: 12px 16px; border-radius: 6px; font-size: 14px; margin-bottom: 20px; }

@media (max-width: 600px) {
  .nav-links { gap: 14px; }
  .article { padding: 24px 20px; }
}