* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #264653 0%, #264653 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            color: #333;
        }
        
        .notification-card {
            background-color: white;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 800px;
            overflow: hidden;
            position: relative;
            animation: fadeIn 0.8s ease-out;
        }
        
        .header {
            background: linear-gradient(to right, #264653, #182848);
            color: white;
            padding: 30px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 20px 20px;
            opacity: 0.3;
            animation: float 20s linear infinite;
        }
        
        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }
        
        .header p {
            font-size: 1.2rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }
        
        .badge {
            background-color: #ff6b6b;
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.1rem;
            display: inline-block;
            margin-top: 15px;
            position: relative;
            z-index: 2;
            animation: pulse 2s infinite;
        }
        
        .content {
            padding: 40px;
        }
        
        .message {
            font-size: 1.3rem;
            line-height: 1.6;
            margin-bottom: 30px;
            text-align: center;
            color: #444;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        
        .feature {
            background-color: #f8f9ff;
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            transition: transform 0.3s ease;
            border: 1px solid #e6e9ff;
        }
        
        .feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(75, 108, 183, 0.1);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: #4b6cb7;
            margin-bottom: 15px;
        }
        
        .feature h3 {
            margin-bottom: 10px;
            color: #182848;
        }
        
        .feature p {
            color: #666;
            font-size: 0.95rem;
        }
        
        .countdown {
            background-color: #f0f4ff;
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            margin-bottom: 30px;
        }
        
        .countdown h3 {
            color: #182848;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        
        .timer {
            display: flex;
            justify-content: center;
            gap: 15px;
        }
        
        .time-unit {
            background-color: white;
            border-radius: 10px;
            padding: 15px;
            min-width: 80px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .time-value {
            font-size: 2.2rem;
            font-weight: bold;
            color: #4b6cb7;
            display: block;
        }
        
        .time-label {
            font-size: 0.9rem;
            color: #666;
            margin-top: 5px;
            display: block;
        }
        
        .cta-button {
            display: block;
            width: 100%;
            padding: 18px;
            background: linear-gradient(to right, #4b6cb7, #182848);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 20px;
            letter-spacing: 0.5px;
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(75, 108, 183, 0.3);
            background: linear-gradient(to right, #5a7bc9, #2a3a68);
        }
        
        .footer {
            text-align: center;
            color: #777;
            font-size: 0.9rem;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        @keyframes float {
            0% { transform: translate(0, 0) rotate(0deg); }
            100% { transform: translate(20px, 20px) rotate(360deg); }
        }
        
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .header p {
                font-size: 1rem;
            }
            
            .content {
                padding: 25px;
            }
            
            .message {
                font-size: 1.1rem;
            }
            
            .timer {
                flex-wrap: wrap;
            }
            
            .time-unit {
                min-width: 70px;
                padding: 12px;
            }
            
            .time-value {
                font-size: 1.8rem;
            }
        }
        
        @media (max-width: 480px) {
            .header {
                padding: 20px;
            }
            
            .header h1 {
                font-size: 1.7rem;
            }
            
            .features {
                grid-template-columns: 1fr;
            }
            
            .timer {
                gap: 10px;
            }
            
            .time-unit {
                min-width: 60px;
                padding: 10px;
            }
        }
        
        .confetti {
            position: absolute;
            width: 15px;
            height: 15px;
            background-color: #ff6b6b;
            border-radius: 50%;
            opacity: 0;
        }