body{font-family:Inter,system-ui,sans-serif;margin:0;background:#f6f8fb;color:#1d2433}
.wrap{max-width:860px;margin:40px auto;padding:0 16px}
h1{margin:0 0 8px;font-size:2rem}.sub{margin:0 0 22px;color:#55607a}
.card{background:#fff;border:1px solid #e5e9f2;border-radius:14px;padding:16px 18px;margin-bottom:14px}
ul{margin:8px 0 0 18px}li{margin:8px 0}a{color:#2a5bd7;text-decoration:none}a:hover{text-decoration:underline}
code{background:#f1f4fa;border-radius:6px;padding:2px 6px}