/* 极简：一篇文字，宽度限制在舒适阅读范围 */
body {
  max-width: 38em;
  margin: 3em auto;
  padding: 0 1.2em;
  font-family: Georgia, "Songti SC", "SimSun", serif;
  font-size: 17px;
  line-height: 1.8;
  color: #222;
  background: #fdfdfa;
}
h1 { font-size: 1.5em; font-weight: 600; margin-bottom: .2em; }
h1 a { color: inherit; text-decoration: none; }
.meta { color: #999; font-size: .85em; margin-top: 0; }
.body p { margin: 1.2em 0; }
hr { border: 0; border-top: 1px solid #e2e2dc; margin: 2.5em 0; }
a { color: #1a6b4a; }
ul.index { list-style: none; padding: 0; }
ul.index li { margin: .6em 0; }
ul.index .date { color: #999; font-size: .85em; margin-right: .8em; font-family: monospace; }
footer { color: #aaa; font-size: .8em; margin-top: 3em; }