.timeline-container{position:relative;max-width:800px;margin:0 auto;padding:40px 20px}.timeline-container::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:#e0e0e0}[data-user-color-scheme=dark] .timeline-container::before{background:#404040}.timeline-year{position:relative;margin:50px 0 30px 0;padding-left:30px}.timeline-year-label{display:inline-block;font-size:1.8rem;font-weight:700;color:#2c3e50;position:relative}[data-user-color-scheme=dark] .timeline-year-label{color:#e5e7eb}.timeline-year::before{content:'';position:absolute;left:-6px;top:12px;width:14px;height:14px;background:#3498db;border-radius:50%}.timeline-item{position:relative;margin-bottom:30px;padding-left:30px}.timeline-dot{position:absolute;left:-4px;top:8px;width:10px;height:10px;background:#95a5a6;border-radius:50%}.timeline-content{padding:0;transition:all .2s ease}.timeline-date{display:inline-block;color:#95a5a6;font-size:.9rem;margin-bottom:4px}[data-user-color-scheme=dark] .timeline-date{color:#6b7280}.timeline-title{font-size:1.1rem;font-weight:500;color:#2c3e50;margin:0;line-height:1.6;transition:color .2s ease}[data-user-color-scheme=dark] .timeline-title{color:#e5e7eb}.timeline-content:hover .timeline-title{color:#3498db}[data-user-color-scheme=dark] .timeline-content:hover .timeline-title{color:#60a5fa}.timeline-link{text-decoration:none;color:inherit;display:block}.timeline-category{margin-top:6px;font-size:.85rem;color:#7f8c8d}[data-user-color-scheme=dark] .timeline-category{color:#9ca3af}.timeline-tags{margin-top:8px}.timeline-tags span{display:inline-block;background:#f8f9fa;color:#7f8c8d;padding:2px 8px;border-radius:3px;font-size:.75rem;margin-right:6px;margin-top:4px}[data-user-color-scheme=dark] .timeline-tags span{background:#2d3748;color:#9ca3af}.timeline-header{max-width:800px;margin:0 auto 40px;padding:0 20px}.timeline-total{font-size:1rem;color:#7f8c8d;font-weight:400}[data-user-color-scheme=dark] .timeline-total{color:#9ca3af}@media (max-width:768px){.timeline-year-label{font-size:1.5rem}.timeline-title{font-size:1rem}}