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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #fff9f2;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7a3f01;
}

.container {
    width: 100%;
    padding: 20px;
    text-align: center;
}

.center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.logo img {
    max-width: 160px;
    height: auto;
}

.message {
    color: #7a3f01;
    font-size: 16px;
    max-width: 420px;
}

.open-btn {
    background: #fe8303;
    color: #ffffff;
    border: none;
    padding: 12px 36px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
}

.open-btn:hover {
    background: #e57603;
}

.open-btn:active,
.open-btn:focus {
    outline: none;
    background: #c66602;
    transform: translateY(1px);
}

@media (max-width: 480px) {
    .logo img {
        max-width: 110px;
    }

    .message {
        font-size: 15px;
        padding: 0 10px;
    }

    .open-btn {
        padding: 12px 28px;
        font-size: 15px;
    }
}