*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#1f2937;background:#f8fafc;line-height:1.65}
header{background:#0f3d6e;color:#fff;padding:18px 20px}header a{color:#fff;text-decoration:none;font-size:1.35rem;font-weight:700}
main{max-width:820px;margin:24px auto;background:#fff;padding:28px 24px;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.08)}
h1{color:#0f3d6e;margin-top:0;font-size:1.8rem}h2{color:#0f3d6e;font-size:1.25rem;margin-top:1.8em}a{color:#0f5fae}
.meta{color:#6b7280;font-size:.95rem}.btns a{display:inline-block;margin:6px 10px 6px 0;padding:10px 18px;background:#0f5fae;color:#fff;border-radius:6px;text-decoration:none}
footer{text-align:center;padding:24px 16px;color:#6b7280;font-size:.9rem}footer a{margin:0 10px}
@media(max-width:600px){main{margin:0;border-radius:0;padding:20px 16px}h1{font-size:1.5rem}}