*{box-sizing:border-box;margin:0;padding:0}body{color:#333;background-color:#f8f9fa;padding-bottom:50px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;line-height:1.7}.container{max-width:900px;margin:0 auto;padding:2rem 1rem}a{color:#0070f3;text-decoration:none}a:hover{text-decoration:underline}.card{background:#fff;border-radius:12px;margin:1.2rem 0;padding:1.5rem;transition:box-shadow .2s;box-shadow:0 2px 8px #0000000f}.card:hover{box-shadow:0 4px 12px #00000014}h1{color:#1a1a1a;margin-bottom:1.2rem;font-size:clamp(1.8rem,4vw,2.5rem)}h2{color:#1a1a1a;margin:1.5rem 0 1rem;font-size:clamp(1.4rem,3vw,1.8rem)}article{background:#fff;border-radius:12px;padding:2rem 1.5rem;box-shadow:0 2px 10px #0000000d}article p,article ul,article ol{margin-bottom:1rem}article ul,article ol{padding-left:2rem}@media (max-width:768px){.container{padding:1.5rem 1rem}.card{padding:1.2rem}}