:root {
  --bg: #f6f3ee;
  --paper: #fffcf7;
  --ink: #2b2926;
  --muted: #6b6560;
  --line: #ddd6cc;
  --accent: #5c5348;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", serif;
  font-size: 17px;
  line-height: 1.85;
}

.wrap {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  padding: 36px 0 20px;
  border-bottom: 1px solid var(--line);
}

.site-name {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.site-name a {
  color: inherit;
  text-decoration: none;
}

.site-desc {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.12em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 16px;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

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

nav a:hover,
nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 4px;
}

main {
  padding: 36px 0 56px;
}

h1 {
  margin: 0 0 20px;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

h2 {
  margin: 32px 0 12px;
  font-size: 20px;
  font-weight: 600;
}

p {
  margin: 0 0 1.1em;
}

.lead {
  color: var(--muted);
}

.essay-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.essay-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.essay-list a {
  color: var(--ink);
  text-decoration: none;
}

.essay-list a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.essay-meta {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px 24px;
}

.meta-line {
  margin-bottom: 24px;
  color: var(--muted);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
  color: var(--muted);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.7;
}

footer p {
  margin: 0 0 8px;
}

footer a {
  color: var(--accent);
}

.beian a {
  text-decoration: none;
}

.beian a:hover {
  text-decoration: underline;
}