:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #192c3b;
  background: #f4f3ef;
  line-height: 1.8;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #17577d; text-underline-offset: 3px; overflow-wrap: anywhere; }
a:hover { color: #156044; }
:focus-visible { outline: 3px solid #408760; outline-offset: 4px; }
header { background: #122b3c; color: white; padding: 22px max(20px, calc((100% - 1000px) / 2)); }
header a { color: #dbefbf; font-weight: 700; text-decoration: none; }
main { max-width: 1040px; margin: 30px auto; padding: 0 20px; }
h1 { font-size: clamp(25px, 4vw, 40px); line-height: 1.35; overflow-wrap: anywhere; }
h2, h3, h4 { line-height: 1.5; scroll-margin-top: 20px; }
h2 { margin-top: 36px; border-bottom: 1px solid #dce1d8; padding-bottom: 10px; }
.intro, .meta, footer { color: #576875; }
.hero { margin: 30px 0; }
.featured { display: inline-block; border-radius: 8px; padding: 12px 18px; background: #dfeccc; font-weight: 700; }
.search { display: grid; gap: 8px; margin: 28px 0 14px; }
input, button { font: inherit; }
input { width: 100%; padding: 12px 16px; border: 1px solid #9daea6; border-radius: 8px; background: white; }
button { padding: 10px 24px; border: 1px solid #94aa9b; border-radius: 8px; color: #214c39; background: #e9f0e2; cursor: pointer; }
.cards { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.cards li { padding: 18px 20px; background: #fffefa; border: 1px solid #dce1d8; border-radius: 10px; min-width: 0; }
.cards a { display: block; font-weight: 650; text-decoration: none; line-height: 1.6; }
.cards small { display: block; margin-top: 8px; color: #647369; overflow-wrap: anywhere; }
.report { background: #fffefa; border: 1px solid #dce1d8; border-radius: 12px; padding: 28px 40px; overflow-wrap: anywhere; }
.report > :first-child { margin-top: 0; }
.report img { max-width: 100%; height: auto; }
.report table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 14px; margin: 22px 0; }
th, td { border: 1px solid #d5ddd3; padding: 10px 14px; min-width: 90px; text-align: left; }
th { background: #e9efdf; }
tr:nth-child(even) { background: #f6f7f0; }
pre { max-width: 100%; overflow-x: auto; padding: 18px; background: #edf0e8; border-radius: 6px; line-height: 1.6; }
code { font-family: Consolas, monospace; font-size: .9em; background: #edf0e8; padding: 2px 4px; }
pre code { padding: 0; }
blockquote { margin: 22px 0; padding: 1px 20px; border-left: 3px solid #719779; color: #405e4b; background: #f0f4e9; }
details { background: #eaf0e2; padding: 12px 20px; border-radius: 8px; margin: 20px 0; }
summary { cursor: pointer; font-weight: 600; }
.toc { max-height: 350px; overflow: auto; font-size: 14px; }
footer { max-width: 1040px; margin: 35px auto; padding: 20px; font-size: 13px; border-top: 1px solid #dce1d8; }
[hidden] { display: none !important; }
@media (max-width: 600px) {
  main { margin-top: 20px; padding: 0 14px; }
  .cards { grid-template-columns: 1fr; }
  .report { padding: 22px 16px; }
  .report table { font-size: 13px; }
  th, td { padding: 8px 10px; }
}
@media print {
  header, .search, button, details, footer { display: none; }
  main { max-width: none; padding: 0; }
  .report { border: 0; padding: 0; }
  .report table { display: table; font-size: 10px; }
}