*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:#333;background-color:#f5f7fa;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:.5rem}p{margin-bottom:1rem}a{color:#3498db;text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit}:focus-visible{outline:2px solid #3498db;outline-offset:2px}.skip-link{position:absolute;top:-40px;left:0;background:#2c3e50;color:#fff;padding:8px;text-decoration:none;z-index:100}.skip-link:focus{top:0}img{max-width:100%;height:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}