.container{max-width:900px;margin:100px auto 0;padding:40px 20px}h1{text-align:center;color:#fff;mix-blend-mode:difference;margin-bottom:10px;font-size:2.5em}.subtitle{text-align:center;color:#fff;mix-blend-mode:difference;margin-bottom:5px;font-size:1.2em;font-weight:600}.intro{text-align:center;background-color:#f0f7ed;margin-bottom:40px;padding:20px;font-style:italic}h2{color:#fff;mix-blend-mode:difference;margin:35px 0 20px;padding-bottom:10px;font-size:1.5em}h3{color:#fff;mix-blend-mode:difference;margin:20px 0 10px;font-size:1.1em;font-weight:600}p{text-align:justify;color:#fff;mix-blend-mode:difference;margin-bottom:15px}.article{margin-bottom:30px}.highlight{background-color:#fff3cd;border-left:4px solid #ffc107;margin:20px 0;padding:15px}.important{background-color:#f8d7da;border-left:4px solid #dc3545;margin:20px 0;padding:15px}.new-section{margin:20px 0;padding:15px}.footer-note{text-align:center;border-top:1px solid #eee;margin-top:40px;padding-top:20px;font-size:1.1em;font-style:italic}.closing{text-align:center;border-radius:8px;margin:30px 0;padding:25px}@media (max-width:768px){.container{margin-top:0;padding:20px 15px}h1{font-size:2em}h2{font-size:1.3em}}