.sm-scroll-container{max-height:250px;overflow-y:auto;overflow-x:hidden}.sm-scroll-container::-webkit-scrollbar{width:4px}.sm-scroll-container::-webkit-scrollbar-track{background:#f1f1f1}.sm-scroll-container::-webkit-scrollbar-thumb{background:#888;border-radius:3px}.sm-scroll-container::-webkit-scrollbar-thumb:hover{background:#555}.sm-timeline{list-style:none;padding:0;position:relative}.sm-timeline-item{position:relative;padding-left:22px}.sm-timeline-marker{position:absolute;left:0;top:5px;width:10px;height:10px;background-color:#0d6efd;border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 2px #0d6efd;z-index:1}.sm-timeline-item::before{content:'';position:absolute;left:4px;top:15px;width:2px;height:calc(100% + 12px);background-color:#dee2e6}.sm-timeline-item:last-child::before{display:none}.sm-timeline-content{background-color:#fff;padding:8px;border-radius:6px;border:1px solid #dee2e6;transition:box-shadow 0.2s}.sm-timeline-content:hover{box-shadow:0 2px 8px rgba(0,0,0,0.08)}