/* 桃之若 · 文章详情页样式
   与首页气质一致：浅色 #fbfaf7、安静、留白、细线条 */
:root {
  --bg: #faf6ee;
  --ink: #29231b;
  --ink-soft: #6b645b;
  --ink-faint: #a89d8c;
  --line: #e4ddcd;
  --accent: #b1503a; /* 朱砂色，仅用于极少量强调 */
  --maxw: 42rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 17px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* 顶部导航 */
.nav {
  max-width: 64rem; margin: 0 auto;
  padding: 1.6rem 1.5rem;
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem;
}
.nav .brand { font-size: 1.05rem; letter-spacing: .12em; }
.nav .brand .seal {
  display: inline-block; width: 1.5em; height: 1.5em; line-height: 1.55em;
  text-align: center; background: var(--accent); color: var(--bg);
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(250,246,238,.4), inset 0 0 0 2px var(--accent);
  font-size: .8em; margin-right: .55em; vertical-align: .08em;
}
.nav .links { display: flex; gap: 1.4rem; font-size: .88rem; color: var(--ink-soft); flex-wrap: wrap; }

/* 文章主体 */
.article { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }
.eyebrow {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-faint);
}
.eyebrow .cat { color: var(--accent); }
h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.4rem);
  line-height: 1.45; font-weight: 600;
  margin: .9rem 0 1rem;
}
.lede { color: var(--ink-soft); font-size: 1.02rem; margin: 0 0 2rem; }
.meta-row {
  display: flex; gap: 1.2rem; flex-wrap: wrap;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .78rem; color: var(--ink-faint);
  padding: 1rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  margin-bottom: 2.4rem;
}
.article img.cover { width: 100%; border-radius: 10px; margin: 0 0 2.4rem; display: block; }

h2 { font-size: 1.28rem; font-weight: 600; margin: 2.8rem 0 .9rem; }
h3 { font-size: 1.05rem; font-weight: 600; margin: 2rem 0 .6rem; }
p { margin: 0 0 1.4rem; }
ul, ol { padding-left: 1.4em; margin: 0 0 1.4rem; }
li { margin-bottom: .45rem; }
blockquote {
  margin: 2rem 0; padding: .2rem 0 .2rem 1.2rem;
  border-left: 2px solid var(--accent);
  color: var(--ink-soft); font-size: .98rem;
}
hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }

/* 代码 */
code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .84em; background: #f1ede5; padding: .15em .45em; border-radius: 4px;
}
pre {
  background: #f4f1ea; border: 1px solid var(--line); border-radius: 8px;
  padding: 1.1rem 1.3rem; overflow-x: auto;
  font-size: .82rem; line-height: 1.7; margin: 0 0 1.6rem;
}
pre code { background: none; padding: 0; font-size: inherit; }

/* 文末导航与页脚 */
.post-nav {
  max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem 3rem;
  display: flex; justify-content: space-between; gap: 1rem;
  font-size: .88rem; color: var(--ink-soft);
}
footer {
  border-top: 1px solid var(--line);
  max-width: 64rem; margin: 0 auto; padding: 2rem 1.5rem 3rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-size: .82rem; color: var(--ink-faint);
}
footer .links { display: flex; gap: 1.2rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}