:root { color-scheme: light; font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; color: #20312d; background: #f5f7f4; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.85; }
a { color: #24684f; text-underline-offset: .2em; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid #bd8d31; outline-offset: 4px; }
header, main, footer { width: min(900px, calc(100% - 40px)); margin-inline: auto; }
header { padding: 28px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; border-bottom: 1px solid #d9e1db; }
header > a { font-weight: 700; text-decoration: none; }
nav { display: flex; gap: 22px; flex-wrap: wrap; font-size: 14px; }
main { padding: 44px 0 64px; }
h1 { margin: 0 0 8px; font-size: clamp(28px, 5vw, 38px); line-height: 1.3; }
h2 { font-size: 21px; margin: 34px 0 10px; line-height: 1.5; }
p { margin: 12px 0; overflow-wrap: anywhere; }
li { margin-bottom: 8px; }
.meta, footer { color: #53675f; font-size: 14px; }
.notice { border-left: 3px solid #477a60; background: #eaf0e9; padding: 16px 20px; margin: 24px 0; }
footer { padding: 24px 0; border-top: 1px solid #d9e1db; }
@media (max-width: 480px) { header, main, footer { width: calc(100% - 32px); } main { padding-top: 28px; } nav { gap: 16px; } }
@media print { body { background: white; } nav { display: none; } main { width: 100%; } h2 { break-after: avoid; } }