:root {
  --bg: #0c0e13;
  --bg2: #12151d;
  --line: #1e2430;
  --fg: #e7ebf3;
  --dim: #8f9bb0;
  --accent: #a78bfa;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: 26px 22px 0;
}
.brand {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .4px;
  color: var(--fg);
  text-decoration: none;
}
header.site nav { display: flex; gap: 18px; }
header.site nav a {
  color: var(--dim);
  text-decoration: none;
  font-size: 14px;
  transition: color .15s ease;
}
header.site nav a:hover { color: var(--accent); }
main {
  flex: 1;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: 42px 22px 60px;
}
h1 { font-size: clamp(26px, 5vw, 34px); line-height: 1.3; margin: 0 0 6px; letter-spacing: .3px; }
h2 { font-size: 19px; margin: 38px 0 14px; }
h3 { font-size: 16px; margin: 26px 0 10px; }
p { margin: 0 0 16px; color: #c5cddb; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { padding-left: 20px; }
li { margin-bottom: 6px; color: #c5cddb; }
code {
  background: #1a2030;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 14px;
  font-family: "Cascadia Code", Consolas, "Courier New", monospace;
  color: #c8b6ff;
}
pre {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0 0 18px;
}
pre code { background: none; padding: 0; color: #cfd6e4; }
.intro { margin-bottom: 44px; }
.intro h1 { font-size: clamp(28px, 6vw, 40px); }
.intro p { color: var(--dim); font-size: 15px; margin: 8px 0 0; }
.intro .links { margin-top: 18px; display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; }
.list { list-style: none; padding: 0; margin: 0; }
.list > li {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  margin: 0;
}
.list > li:last-child { border-bottom: 1px solid var(--line); }
.list > li > a {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 2px;
}
.list > li > a:hover { color: var(--accent); text-decoration: none; }
.list .date { font-size: 12.5px; color: #5f6b80; letter-spacing: .3px; }
.list p { margin: 6px 0 0; font-size: 14px; color: var(--dim); line-height: 1.7; }
article h1 { margin-bottom: 4px; }
article .date { margin: 0 0 28px; font-size: 13px; color: #5f6b80; letter-spacing: .3px; }
article h2 { margin-top: 34px; }
footer.site {
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: 22px;
  border-top: 1px solid var(--line);
  color: #5f6b80;
  font-size: 12.5px;
}
footer.site p { margin: 0; color: #5f6b80; font-size: 12.5px; }
@media (max-width: 620px) {
  main { padding: 32px 18px 44px; }
  header.site { padding: 20px 18px 0; }
  header.site nav { gap: 14px; }
}