.article-container{padding:40px;font-weight:300}.article-container .article-content{max-width:900px;margin:0 auto;font-family:Arial,sans-serif;line-height:1.6;font-family:Montserrat,sans-serif}.article-content h2{font-size:1.8rem;color:#2c3e50;margin:2.5rem 0 1rem;padding-bottom:.5rem;border-bottom:1px solid #ecf0f1;font-weight:400}.article-content h3{font-size:1.4rem;color:#34495e;margin:2rem 0 .8rem;font-weight:400}.article-content p{margin:1rem 0;font-size:1.1rem}.article-content ol,.article-content ul{margin:1.2rem 0;padding-left:2rem}.article-content ol li,.article-content ul li{margin-bottom:.6rem}.article-content table{width:100%;border-collapse:collapse;margin:1.5rem 0;box-shadow:0 2px 3px rgba(0,0,0,.1)}.article-content table td,.article-content table th{padding:12px 15px;text-align:left;border-bottom:1px solid #ddd}.article-content table th{background-color:#f8f9fa;font-weight:600}.article-content table tr:hover{background-color:#f5f5f5}.article-content .warning-box{background-color:#fff8e1;border-left:4px solid #ffc107;padding:1rem 1.5rem;margin:1.5rem 0;border-radius:0 4px 4px 0}.article-content .warning-box p{margin:0;color:#e65100;font-weight:500}.article-content .expert-tip{background-color:#e8f5e9;border-left:4px solid #4caf50;padding:1rem 1.5rem;margin:1.5rem 0;border-radius:0 4px 4px 0}.article-content .expert-tip p{margin:0;color:#2e7d32;font-style:italic}.article-content strong{color:#2c3e50;font-weight:600}.article-content a{color:#3498db;text-decoration:none;transition:color .3s}.article-content a:hover{color:#2980b9;text-decoration:underline}@keyframes fadeIn{to{opacity:1}}@media(max-width:768px){.article-content h2{font-size:1.5rem}.article-content h3{font-size:1.2rem}.article-content table{display:block;overflow-x:auto}}