*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;line-height:1.6;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#fff;color:#2c3e50;font-weight:400}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:1rem;color:#1a252f}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:1rem;font-size:1rem;line-height:1.7}a{color:#3498db;text-decoration:none;transition:color .2s ease}a:hover{color:#2980b9;text-decoration:underline}a:focus{outline:2px solid #3498db;outline-offset:2px}ul,ol{margin-bottom:1rem;padding-left:2rem}li{margin-bottom:.5rem}header,main,section,article,aside,footer{display:block}header{background-color:#f8f9fa;padding:2rem 1rem;border-bottom:1px solid #e9ecef}main{max-width:800px;margin:0 auto;padding:2rem 1rem}section{margin-bottom:3rem}footer{background-color:#f8f9fa;padding:2rem 1rem;border-top:1px solid #e9ecef;text-align:center;margin-top:4rem}div{margin-bottom:1rem}blockquote{border-left:4px solid #3498db;padding:1rem 1.5rem;margin:1.5rem 0;background-color:#f8f9fa;font-style:italic;color:#555}button,input[type=submit],input[type=button]{background-color:#3498db;color:#fff;border:none;padding:.75rem 1.5rem;font-size:1rem;border-radius:4px;cursor:pointer;transition:background-color .2s ease;font-family:inherit}button:hover,input[type=submit]:hover,input[type=button]:hover{background-color:#2980b9}button:focus,input[type=submit]:focus,input[type=button]:focus{outline:2px solid #3498db;outline-offset:2px}button:disabled,input[type=submit]:disabled,input[type=button]:disabled{background-color:#bdc3c7;cursor:not-allowed}input,textarea,select{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;font-family:inherit;background-color:#fff;color:#2c3e50}input:focus,textarea:focus,select:focus{outline:none;border-color:#3498db;box-shadow:0 0 0 2px #3498db33}label{display:block;margin-bottom:.5rem;font-weight:500;color:#1a252f}table{width:100%;border-collapse:collapse;margin-bottom:1rem}th,td{padding:.75rem;text-align:left;border-bottom:1px solid #e9ecef}th{background-color:#f8f9fa;font-weight:600;color:#1a252f}tr:hover{background-color:#f8f9fa}img{max-width:100%;height:auto;display:block;margin-bottom:1rem}code{background-color:#f8f9fa;padding:.125rem .25rem;border-radius:3px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;color:#e74c3c}pre{background-color:#f8f9fa;padding:1rem;border-radius:4px;overflow-x:auto;margin-bottom:1rem}pre code{background:none;padding:0;color:inherit}@media (max-width: 768px){html{font-size:14px}main{padding:1rem}header,footer{padding:1rem}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.25rem}}@media (max-width: 480px){html{font-size:14px}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.125rem}ul,ol{padding-left:1.5rem}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media (prefers-contrast: high){a{color:#00f}button,input[type=submit],input[type=button]{border:2px solid #000000}}*:focus{outline:2px solid #3498db;outline-offset:2px}.skip-link{position:absolute;top:-40px;left:6px;background:#000;color:#fff;padding:8px;text-decoration:none;border-radius:4px;z-index:1000}.skip-link:focus{top:6px}@media print{*{background:transparent!important;color:#000!important;box-shadow:none!important;text-shadow:none!important}a,a:visited{text-decoration:underline;color:#000!important}a[href]:after{content:" (" attr(href) ")"}h1,h2,h3{page-break-after:avoid}p,h2,h3{orphans:3;widows:3}}