body {font-family: Arial, sans-serif; margin:0; background:#fafafa;}
.container {max-width:960px; margin:0 auto; padding:20px;}
header {background:#fff; border-bottom:1px solid #ddd;}
.logo {font-size:24px; font-weight:bold; text-decoration:none; color:#333;}
.search {display:flex; gap:10px;}
.cards {display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:15px;}
.card {padding:15px; border:1px solid #eee; background:#fff; border-radius:6px; text-decoration:none; color:#333;}
.question-list li {margin-bottom:10px;}
.ad-block {margin:20px 0; padding:10px; background:#f0f0f0;}
nav {background:#222; color:#fff; padding:10px;}
nav a {color:#fff; margin-right:10px; text-decoration:none;}
article ul, article ol {margin:0 0 15px 20px; padding-left:20px;}
article ul li, article ol li {margin-bottom:6px; line-height:1.5;}