:root{--bg:#f5f7fa;--card:#fff;--text:#17202a;--accent:#1769aa}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.6}header{background:#101820;padding:1rem}nav{display:flex;gap:1rem;flex-wrap:wrap}a{color:var(--accent)}nav a{color:#fff;text-decoration:none}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem}.hero,section{max-width:900px;margin:1rem auto;padding:1.2rem;background:var(--card);border-radius:12px}.button{display:inline-block;background:var(--accent);color:#fff;padding:.7rem 1rem;border-radius:8px;text-decoration:none}.risk,.affiliate{font-size:.95rem}summary{cursor:pointer;padding:.7rem}a:focus-visible{outline:3px solid #000}@media(min-width:700px){section{padding:2rem}nav{max-width:900px;margin:auto}}