.doc-container{max-width:1200px;margin:0 auto;padding:20px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.doc-wrapper{background-color:#fff;border-radius:8px;box-shadow:0 2px 15px rgba(0,0,0,.1);padding:2rem}.doc-title{color:#2c3e50;text-align:center;margin-bottom:.5rem;font-size:2.2rem}.doc-subtitle{color:#7f8c8d;text-align:center;margin-bottom:2rem;font-size:1.1rem}.doc-section{background-color:#f8f9fa;padding:1.5rem;border-radius:8px;margin-bottom:1.5rem;border-left:4px solid #3498db;transition:all .3s ease}.doc-section.expanded{box-shadow:0 5px 15px rgba(0,0,0,.1)}.doc-header{cursor:pointer}.doc-heading{color:#2c3e50;margin-top:0;font-size:1.4rem}.doc-summary{color:#34495e;margin-bottom:1rem}.doc-toggle{background:none;border:none;color:#3498db;font-weight:700;cursor:pointer;padding:.5rem 0;display:flex;align-items:center}.doc-toggle:hover{color:#2980b9}.doc-content{color:#34495e;line-height:1.7;padding-top:1rem;border-top:1px solid #eee;margin-top:1rem;animation:fadeIn .3s ease}.doc-content h3{color:#2980b9;margin-top:1.5rem}.doc-content pre{background:#f4f4f4;padding:1rem;border-radius:4px;overflow-x:auto}.doc-table{width:100%;border-collapse:collapse;margin:1rem 0}.doc-table td,.doc-table th{border:1px solid #ddd;padding:8px;text-align:left}.doc-table tr:nth-child(2n){background-color:#f2f2f2}.standards-box{background:#e8f4fc;padding:1rem;border-radius:6px;margin:1.5rem 0;border-left:3px solid #3498db}.standards-box h4{margin-top:0;color:#2c3e50}.external-links{margin-top:2rem}.external-links ul{list-style-type:none;padding-left:0}.external-links li{margin-bottom:.8rem;padding-left:1.5rem;position:relative}.external-links li:before{content:"•";color:#3498db;font-weight:700;position:absolute;left:0}.external-links a{color:#3498db;text-decoration:none}.external-links a:hover{text-decoration:underline}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.doc-wrapper{padding:1.5rem}.doc-section{padding:1.2rem}.doc-table{font-size:.9rem}}