:root{--bg:#f7f5ff;--card:#ffffff;--text:#1d1838;--muted:#5d5880;--line:#e3def7;--gold:#a8741a;--accent:#5b3fd6}
@media (prefers-color-scheme:dark){:root{--bg:#0f0c22;--card:#1a1538;--text:#f2eeff;--muted:#b9b1e6;--line:#2e2758;--gold:#f5c451;--accent:#9d86ff}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:28px 16px 64px}
header{display:flex;align-items:center;gap:12px;margin-bottom:8px}
header img{width:48px;height:48px;border-radius:12px}
header a{color:var(--text);text-decoration:none;font-weight:800;font-size:22px}
nav{display:flex;flex-wrap:wrap;gap:6px 16px;margin:8px 0 24px;font-size:14px}
nav a,a{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:16px 0}
h1{font-size:28px;line-height:1.3;margin:8px 0 4px}
h2{font-size:20px;margin:28px 0 8px;color:var(--gold)}
h3{font-size:16px;margin:18px 0 4px}
.meta{color:var(--muted);font-size:14px}
.lang{display:inline-block;margin:4px 0 0;font-size:14px}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;vertical-align:top;padding:8px 10px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600}
ol,ul{padding-left:22px}
li{margin:4px 0}
footer{margin-top:40px;color:var(--muted);font-size:13px;text-align:center}
.btn{display:inline-block;background:var(--accent);color:#fff!important;text-decoration:none;padding:10px 16px;border-radius:10px;font-weight:700}
.card>:first-child{margin-top:0}.card>:last-child{margin-bottom:0}