:root{color-scheme:light dark}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}
a{text-decoration:none}
.container{max-width:1040px;margin:0 auto;padding:0 14px}
.topbar{border-bottom:1px solid rgba(127,127,127,.18);padding:16px 0}
.brand{font-size:22px;font-weight:700}
.nav{margin-top:10px;display:flex;gap:12px;flex-wrap:wrap}
.nav a{padding:6px 10px;border:1px solid rgba(127,127,127,.18);border-radius:999px}
.hero{padding:18px 0}
.grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
.card{border:1px solid rgba(127,127,127,.18);border-radius:16px;padding:14px;background:rgba(127,127,127,.04)}
.h2{font-size:18px;margin:0 0 10px}
.muted{opacity:.75}
.list{margin:8px 0 0;padding-left:18px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.badge{font-size:12px;opacity:.85;border:1px solid rgba(127,127,127,.22);padding:3px 8px;border-radius:999px}
.row{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;padding:8px 12px;border:1px solid rgba(127,127,127,.18);border-radius:12px}
.input{width:100%;padding:10px 12px;border-radius:12px;border:1px solid rgba(127,127,127,.22);background:transparent}
.table{width:100%;border-collapse:collapse}
.table td,.table th{border-bottom:1px dashed rgba(127,127,127,.22);padding:10px 6px;text-align:left}
.footer{padding:18px 0;opacity:.7;font-size:13px;border-top:1px solid rgba(127,127,127,.18);margin-top:18px}
.chapter{font-size:17px}
.chapter p{margin:10px 0}