body {
    font-family: 'Tahoma', sans-serif;
    background-color: #f0f8ff;
    color: #333;
    margin: 0;
    padding: 0;
}
.container {
    width: 90%;
    max-width: 600px;
    margin: 50px auto;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-align: center;
}
header h1 {
    color: #2a7ae2;
    font-size: 28px;
}
.subtitle {
    color: #555;
    font-size: 18px;
}
.offer {
    margin: 20px 0;
}
.original-price {
    font-size: 16px;
    color: #999;
}
.discount-price span {
    color: #e60000;
    font-size: 24px;
    font-weight: bold;
}
.features ul {
    text-align: left;
    display: inline-block;
    padding: 0;
    list-style: none;
}
.features li {
    margin: 10px 0;
    font-size: 16px;
}
.cta button {
    padding: 12px 24px;
    font-size: 18px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
.cta button:hover {
    background-color: #218838;
}
footer {
    margin-top: 30px;
    font-size: 12px;
    color: #777;
}