:root{--bg:#0b1020;--fg:#1a2236;--mut:#5b6678;--pri:#2563eb;--line:#e6e9f0}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:#fff}
.hb{background:#0b1020;color:#cdd6e6;padding:12px 20px;font-size:.9rem}.hb a{color:#9fc0ff;text-decoration:none}
main{max-width:880px;margin:0 auto;padding:24px 20px 64px}
.bc{color:var(--mut);font-size:.85rem;margin:8px 0 16px}.bc a{color:var(--mut)}
h1{font-size:2rem;margin:.2em 0}.lead{font-size:1.15rem;color:#33405c}
.meta{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:14px;color:var(--mut);font-size:.9rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin:16px 0}
.chips{margin:14px 0}.chip{display:inline-block;background:#eef2fb;color:#3a4a6b;border-radius:999px;padding:3px 10px;font-size:.78rem;margin:0 6px 6px 0}
article{margin:24px 0}article h2{font-size:1.4rem;margin-top:1.4em}article h3{font-size:1.15rem}article pre{background:#0b1020;color:#e6ecf7;padding:14px;border-radius:8px;overflow:auto;font-size:.85rem}article code{background:#eef2fb;padding:1px 5px;border-radius:4px;font-size:.9em}article pre code{background:none;padding:0}
.cta{background:#f6f8fc;border:1px solid var(--line);border-radius:12px;padding:20px;margin-top:32px}.cta h2{margin-top:0}
.btn{display:inline-block;background:var(--pri);color:#fff;padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:600}
.btn2{display:inline-block;padding:10px 18px;border-radius:8px;text-decoration:none;color:var(--pri);border:1px solid var(--pri);margin-left:8px}
footer{max-width:880px;margin:0 auto;padding:20px;color:var(--mut);font-size:.85rem;border-top:1px solid var(--line)}footer a{color:var(--mut)}