body{font:17px/1.55 system-ui,-apple-system,Segoe UI,sans-serif;max-width:720px;margin:2.5rem auto;padding:0 1.1rem;color:#16181d;background:#fff}
h1{font-size:1.9rem;line-height:1.2;margin-bottom:.3rem}h2{margin-top:2.2rem;font-size:1.25rem}
a{color:#0b57d0}.sub{color:#555;margin-top:0}table{border-collapse:collapse;width:100%}
td,th{border-bottom:1px solid #e3e3e3;padding:.45rem .4rem;text-align:left}th:not(:first-child),td:not(:first-child){text-align:center}
.btn{display:inline-block;background:#0b57d0;color:#fff;padding:.6rem 1.1rem;border-radius:8px;text-decoration:none;font-weight:600}
textarea{width:100%;height:7rem;font:13px ui-monospace,monospace}footer{margin-top:3rem;color:#666;font-size:.9rem;border-top:1px solid #e3e3e3;padding-top:1rem}
.note{background:#f4f6fb;border-radius:8px;padding:.8rem 1rem}
@media(prefers-color-scheme:dark){body{background:#131417;color:#e8e8ea}a{color:#8ab4f8}.sub{color:#aaa}td,th{border-color:#333}.note{background:#1e2128}footer{border-color:#333;color:#999}}