:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  font: 17px/1.75 system-ui, sans-serif;
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 20px;
  color: #172b27;
  background: #f5f7f3;
}
nav { display: flex; gap: 12px 22px; flex-wrap: wrap; align-items: center; }
a { color: #176b4c; overflow-wrap: anywhere; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
h1 { font-size: 30px; line-height: 1.35; }
h2 { font-size: 22px; line-height: 1.4; margin-top: 32px; }
h3 { font-size: 18px; }
p, li, td, th { overflow-wrap: anywhere; }
html[lang="zh-CN"] [lang="en"], html[lang="en"] [lang="zh-CN"] { display: none; }
[hidden] { display: none !important; }
.languages { margin-left: auto; display: flex; flex-wrap: wrap; gap: 8px 16px; }
section p { white-space: pre-line; }
.languages a[aria-current] { font-weight: 700; text-decoration-thickness: 2px; }
.notice { padding: 14px 16px; background: #e9eee7; border-radius: 12px; }
table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 15px; }
th, td {
  text-align: left;
  vertical-align: top;
  padding: 12px 8px;
  border-bottom: 1px solid #ccd5cf;
}
th { font-weight: 650; }
caption { text-align: left; font-weight: 650; margin: 14px 0; }
footer { margin-top: 36px; border-top: 1px solid #ccd5cf; padding-top: 18px; font-size: 15px; }
@media (max-width: 550px) {
  body { padding: 22px 16px; }
  table, caption, tbody, tr, td { display: block; }
  thead { display: none; }
  tr { margin: 18px 0; border-bottom: 1px solid #ccd5cf; }
  td { border: 0; padding: 4px 0; }
  td::before { content: attr(data-label) " · "; font-weight: 650; }
  td:first-child { font-weight: 650; }
  h1 { font-size: 26px; }
  .languages { margin-left: 0; }
}
@media (prefers-color-scheme: dark) {
  body { color: #e3ebe5; background: #14211b; }
  a { color: #87d7b1; }
  .notice { background: #24372a; }
  th, td, tr, footer { border-color: #465d4d; }
}