.page-header {
            background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
            color: white;
            padding: 60px 0;
            margin-bottom: 40px;
        }
        
        .update-item {
            background: white;
            border-left: 4px solid #28a745;
            padding: 20px;
            margin-bottom: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            transition: all 0.3s;
        }
        
        .update-item:hover {
            box-shadow: 0 4px 8px rgba(0,0,0,0.15);
            transform: translateX(5px);
        }
        
        .new-tag {
            background: #ff0000;
            color: white;
            padding: 3px 8px;
            border-radius: 3px;
            font-size: 11px;
            font-weight: bold;
            animation: blink 1.5s infinite;
            display: inline-block;
            margin-left: 10px;
        }
        
        @keyframes blink {
            0%, 50%, 100% { opacity: 1; }
            25%, 75% { opacity: 0.5; }
        }
        
        .update-date {
            color: #6c757d;
            font-size: 14px;
            margin-bottom: 10px;
        }
        
        .update-date i {
            margin-right: 5px;
        }
        
        .action-btn {
            background: #28a745;
            color: white;
            border: none;
            padding: 8px 20px;
            border-radius: 5px;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
            margin-top: 10px;
        }
        
        .action-btn:hover {
            background: #218838;
            color: white;
            transform: translateY(-2px);
        }
        
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: #6c757d;
        }
        
        .empty-state i {
            font-size: 64px;
            margin-bottom: 20px;
            opacity: 0.3;
        }