\ .snb-container{background:#fff;border:2px solid #e9ecef;border-radius:12px;padding:20px;margin:20px 0;box-shadow:0 4px 10px rgb(0 0 0 / .05)}.snb-title{font-size:1.4rem;text-align:center;font-weight:700;color:#2c3e50;margin-bottom:15px}.snb-board{position:relative;height:260px;overflow:hidden;background:linear-gradient(145deg,#f8f9fa,#e9ecef);border-radius:8px;border:1px solid #dee2e6}.snb-list{list-style:none;margin:0;padding:0;animation:snbScrollVertical 15s linear infinite}.snb-board:hover .snb-list{animation-play-state:paused}.snb-item{padding:12px 15px;margin:10px;background:#fff;border-radius:8px;border-left:4px solid #3498db;box-shadow:0 2px 6px rgb(0 0 0 / .08);transition:transform 0.3s ease,box-shadow 0.3s ease}.snb-item:hover{transform:translateX(5px);box-shadow:0 4px 14px rgb(0 0 0 / .12)}.snb-date{font-size:.85rem;color:#6c757d;margin-bottom:6px;font-weight:500}.snb-content{color:#2c3e50;line-height:1.55;font-size:1rem}.snb-no-notices{text-align:center;padding:40px 20px;color:#6c757d;font-style:italic;background:#f8f9fa;border-radius:8px;border:2px dashed #dee2e6}@keyframes snbScrollVertical{0%{transform:translateY(100%)}100%{transform:translateY(-100%)}}