@font-face{font-family:Arial;src:local('Arial'),url('https://fonts.googleapis.com/css2?family=Arial&display=swap');font-display:swap}body{font-family:Arial,sans-serif;margin:0;padding:0;background:#fff;color:#000}header{background:#ff69b4;padding:20px}nav ul{list-style:none;padding:0;display:flex;justify-content:center}nav ul li{margin:0 15px}nav ul li a{color:#fff;text-decoration:none;font-weight:700}nav ul li ul{display:none;position:absolute;background:#ff69b4;padding:10px}nav ul li:hover ul{display:block}main{max-width:1200px;margin:0 auto;padding:20px}section{margin-bottom:40px}h1{font-size:2.5rem;color:#000;background:#fff;contrast-ratio:4.5:1}section h1{font-size:2.5rem;color:#000;background:#fff;contrast-ratio:4.5:1}h2{font-size:2rem;color:#000;background:#fff;contrast-ratio:4.5:1}h3{font-size:1.5rem;color:#000;background:#fff;contrast-ratio:4.5:1}p{line-height:1.6;color:#333}img{max-width:100%;height:auto}video{max-width:100%;height:auto}iframe{max-width:100%;height:450px}ul{list-style:disc;padding-left:20px}ol{list-style:decimal;padding-left:20px}blockquote{border-left:4px solid #ff69b4;padding-left:10px;color:#333}footer{background:#ff69b4;color:#fff;text-align:center;padding:10px}#chatbot{position:fixed;bottom:20px;right:20px;background:#ff69b4;color:#fff;padding:10px;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,0.5)}#chatbot input{width:80%;padding:5px;margin:5px 0}#chatbot button{padding:5px 10px;background:#fff;color:#ff69b4;border:none;cursor:pointer}@media(max-width:768px){nav ul{flex-direction:column}nav ul li{margin:10px 0}nav ul li ul{position:static;display:none}nav ul li:hover ul{display:block}#chatbot{width:90%;right:5%}}