body{margin:0;padding:0;font-family:Segoe UI,Arial,sans-serif;background:linear-gradient(120deg,#e0e7ff,#f7f7f7);color:#222;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;margin-top:.5em;margin-bottom:.5em;color:#1e3a8a;letter-spacing:.5px}nav{background:linear-gradient(90deg,#2563eb,#1e40af);box-shadow:0 2px 12px rgba(30,64,175,.08);border-radius:0 0 16px 16px;padding:1.2rem .5rem;margin-bottom:2rem}nav ul{display:flex;justify-content:center;gap:2.5rem;list-style:none;margin:0;padding:0}nav li{transition:transform .15s}nav li:hover{transform:scale(1.08)}a{color:#fff;font-size:1.1rem;font-weight:500;transition:color .2s;padding:.3rem .7rem;border-radius:6px}a,a:hover{text-decoration:none}a:hover{color:#1e40af}a:hover,main{background:#fff}main{min-height:70vh;border-radius:16px;box-shadow:0 4px 32px rgba(30,64,175,.07);padding:2.5rem 2rem;margin-top:2rem;max-width:900px;margin-left:auto;margin-right:auto}@media (max-width:600px){main{padding:1rem .5rem}nav ul{gap:1rem}a{font-size:1rem;padding:.2rem .4rem}}