.nc-bell-container { position: relative; cursor: pointer; padding: 4px; display: flex; align-items: center; user-select: none; }
.nc-bell-icon { font-size: 22px; line-height: 1; }
.nc-bell-icon:hover { transform: scale(1.1); }
.nc-badge { position: absolute; top: -4px; right: -6px; min-width: 18px; height: 18px; padding: 0 5px; background: #ff4d4f; color: #fff; font-size: 11px; line-height: 18px; text-align: center; border-radius: 9px; display: none; }
.nc-badge.show { display: block; }
.nc-panel { position: absolute; top: 100%; right: 0; width: 380px; max-height: 520px; background: #fff; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,0.15); z-index: 200; display: none; overflow: hidden; animation: nc-slideDown 0.2s ease-out; margin-top: 8px; }
.nc-panel.show { display: block; }
@keyframes nc-slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.nc-panel-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid #f0f0f0; }
.nc-panel-title { font-size: 15px; font-weight: 600; color: #1a1a2e; }
.nc-mark-all-read { font-size: 13px; color: #1890ff; cursor: pointer; }
.nc-panel-body { max-height: 400px; overflow-y: auto; padding: 0; }
.nc-empty { padding: 48px 20px; text-align: center; color: #bbb; font-size: 14px; }
.nc-item { display: flex; align-items: flex-start; padding: 14px 18px; border-bottom: 1px solid #f5f5f5; cursor: pointer; gap: 12px; }
.nc-item.unread { background: #f0f8ff; border-left: 3px solid #1890ff; }
.nc-item.read { opacity: 0.7; }
.nc-type-icon { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.nc-type-icon.exam { background: #e6f7ff; }
.nc-type-icon.training { background: #f6ffed; }
.nc-type-icon.live { background: #fff2f0; }
.nc-item-content { flex: 1; min-width: 0; }
.nc-item-title { font-size: 14px; font-weight: 500; color: #333; line-height: 1.4; margin-bottom: 4px; }
.nc-item-time { font-size: 12px; color: #bbb; }
.nc-read-dot { width: 8px; height: 8px; border-radius: 50%; background: #1890ff; flex-shrink: 0; margin-top: 6px; }
.nc-item.read .nc-read-dot { background: transparent; }
.nc-panel-footer { padding: 10px 18px; text-align: center; border-top: 1px solid #f0f0f0; }
.nc-panel-footer a { font-size: 13px; color: #1890ff; }