:root{--bg:#f5f6f7;--fg:#111;--muted:#555;--card:#fff;--border:#e6e6e6;--link:#0645ad}
*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,Helvetica,sans-serif;margin:0;background:var(--bg);color:var(--fg);line-height:1.55}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
header{background:#111;color:#fff;padding:18px 16px}
header .wrap{max-width:1080px;margin:0 auto}
header h1{margin:0;font-size:22px}
header p{margin:6px 0 0;color:#d6d6d6;font-size:14px}
nav{background:#1f1f1f}
nav .wrap{max-width:1080px;margin:0 auto;display:flex;flex-wrap:wrap;gap:10px;padding:10px 16px}
nav a{color:#fff;font-size:14px;padding:6px 10px;border-radius:8px}
nav a.active, nav a:hover{background:#2f2f2f;text-decoration:none}
main{max-width:1080px;margin:0 auto;padding:18px 16px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px}
.card h2{margin:0 0 10px;font-size:18px}
.card h3{margin:0 0 8px;font-size:16px}
.muted{color:var(--muted)}
.badge{display:inline-block;border:1px solid var(--border);border-radius:999px;padding:2px 10px;font-size:12px;color:var(--muted);background:#fafafa}
.list{display:flex;flex-direction:column;gap:10px}
.item{padding:12px;border:1px solid var(--border);border-radius:12px;background:#fff}
.item .top{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.item .title{font-weight:650}
.item .meta{font-size:12px;color:var(--muted)}
.item p{margin:8px 0 0}
.split{display:flex;gap:14px;flex-wrap:wrap}
.split > *{flex:1;min-width:260px}
footer{margin-top:26px;background:#111;color:#fff}
footer .wrap{max-width:1080px;margin:0 auto;padding:18px 16px;text-align:center}
footer img{margin-top:10px;border-radius:10px;border:1px solid #333}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#eee;border:1px solid #ddd;border-bottom-width:2px;border-radius:8px;padding:2px 6px;font-size:12px}
.small{font-size:13px}
table{width:100%;border-collapse:collapse}
th,td{border-bottom:1px solid var(--border);padding:8px;text-align:left;font-size:14px}
th{background:#fafafa}