body{color:#333;background-color:#f5f5f5;max-width:900px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6}.container{background-color:#fff;border-radius:8px;padding:40px;box-shadow:0 2px 10px #0000001a}h1{color:#2c3e50;border-bottom:3px solid #3498db;margin-bottom:30px;padding-bottom:10px}h2{color:#34495e;margin-top:30px;margin-bottom:15px;font-size:1.5em}h3{color:#546e7a;margin-top:20px;margin-bottom:10px;font-size:1.2em}h4{color:#607d8b;margin-top:15px;margin-bottom:8px;font-size:1.1em}p{text-align:justify;margin-bottom:15px}ul,ol{margin-bottom:15px;padding-left:25px}li{margin-bottom:8px}.highlight{background-color:#fff3cd;border-left:4px solid #ffc107;margin:20px 0;padding:15px}.contact-info{background-color:#e3f2fd;border-radius:5px;margin-top:30px;padding:20px}.last-updated{color:#666;margin-bottom:20px;font-style:italic}.language-selector{text-align:center;margin-bottom:30px}.language-btn{color:#fff;cursor:pointer;background-color:#3498db;border:none;border-radius:5px;margin:5px;padding:10px 20px;font-size:16px;transition:background-color .3s}.language-btn:hover{background-color:#2980b9}.language-btn.active{background-color:#2c3e50}table{border-collapse:collapse;width:100%;margin:20px 0}table th,table td{text-align:left;border:1px solid #ddd;padding:12px}table th{color:#fff;background-color:#3498db}table tr:nth-child(2n){background-color:#f9f9f9}