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#eee;padding-bottom:.5rem;font-size:2rem}.article-detail-content h2{margin-top:2.5rem;font-size:1.75rem}.article-detail-content h3{font-size:1.5rem}.article-detail-content h4{font-size:1.25rem}.article-detail-content p{margin-bottom:1.5rem}.article-detail-content ul,.article-detail-content ol{margin-bottom:1.5rem;padding-left:2rem}.article-detail-content li{margin-bottom:.5rem}.article-detail-content blockquote{color:#666;background:#f8f9fa;border-left:4px solid #667eea;border-radius:4px;margin:1.5rem 0;padding:1rem 1rem 1rem 1.5rem;font-style:italic}.article-detail-content code{color:#e83e8c;background:#f4f4f4;border-radius:4px;padding:.2rem .4rem;font-family:Courier New,monospace;font-size:.9em}.article-detail-content pre{background:#f8f9fa;border:1px solid #e9ecef;border-radius:6px;margin-bottom:1.5rem;padding:1rem;overflow-x:auto}.article-detail-content pre code{color:#333;background:0 0;padding:0}.article-detail-content a{color:#667eea;border-bottom:1px solid #0000;text-decoration:none;transition:border-color .2s}.article-detail-content a:hover{border-bottom-color:#667eea}.article-detail-content strong{color:#333;font-weight:700}.article-detail-content em{font-style:italic}.article-detail-content hr{border:none;border-top:2px solid #eee;margin:2rem 0}.article-keywords-section{border-top:2px solid #f0f0f0;margin-top:3rem;padding-top:2rem}.article-keywords-label{color:#666;margin-bottom:1rem;font-size:.875rem;font-weight:600}.article-detail-footer{border-top:2px solid #f0f0f0;margin-top:2rem;padding-top:2rem}.back-to-list-link,.header-back-link{color:#fff;margin-bottom:1rem;font-weight:600;text-decoration:none;transition:opacity 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.75rem;font-size:1.25rem;font-weight:600;line-height:1.4}.article-card-excerpt{color:#666;flex:1;margin:0 0 1rem;font-size:.95rem;line-height:1.6}.article-card-footer{color:#999;border-top:1px solid #f0f0f0;justify-content:space-between;align-items:center;margin-top:auto;padding-top:1rem;font-size:.875rem;display:flex}.article-author{font-weight:500}.article-date{color:#999}@media (max-width:768px){.article-detail{padding:2rem 1.5rem}.bookmark-container{top:1.5rem;right:1.5rem}.bookmark-button{width:40px;height:40px}.bookmark-button svg{width:18px;height:18px}.bookmark-message{padding:.2rem .4rem;font-size:.7rem}.article-detail-title{font-size:1.875rem}.article-detail-content{font-size:1rem}.article-detail-content h1{font-size:1.75rem}.article-detail-content h2{font-size:1.5rem}.article-detail-content h3{font-size:1.25rem}.articles-grid{grid-template-columns:1fr}}