* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.box {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 60px 40px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.box h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #000;
}

.box p {
    font-size: 16px;
    color: #666;
    margin-bottom: 30px;
}

.btn {
    background-color: #000;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #333;
}

@media (max-width: 600px) {
    .box {
        padding: 40px 25px;
    }

    .box h1 {
        font-size: 24px;
    }

    .box p {
        font-size: 14px;
    }
}