body {
    background: #f7f9fc;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
}

.center-box {
    margin-top: 120px;
}

.logo {
    width: 160px;
    margin-bottom: 20px;
}

input[type=text] {
    width: 360px;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

button {
    padding: 12px 20px;
    margin-left: 10px;
    background: #4A90E2;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #357ABD;
}

.result-box {
    width: 60%;
    margin: 80px auto;
    text-align: left;
}

.back-link {
    text-decoration: none;
    color: #999;
    font-size: 14px;
}