body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f5f6f7;
    color: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    height: auto;
    padding: 20px;
}

.card {
    padding: 45px 35px;
    max-width: 500px;
    width: 100%;
    text-align: center;
}

h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    color: #111;
}

h2 {
    margin: 10px 0 18px;
    font-size: 18px;
    color: #444;
    font-weight: 500;
}

p {
    margin: 8px 0;
    font-size: 15px;
    line-height: 1.6;
    color: #333;
}

.tag {
    display: inline-block;
    margin-top: 20px;
    font-size: 12px;
    color: #666;
    opacity: 0.7;
}