body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f8f9fa;
    color: #222;
}

.header {
    background: #002d5b;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: auto;
}

.check-section {
    padding: 40px 0;
    text-align: center;
}

.check-box {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.check-box input {
    padding: 12px 15px;
    width: 300px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 16px;
}

.check-box button {
    padding: 12px 18px;
    background: #003b8e;
    color: #fff;
    border: none;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
}

.check-box button:hover {
    background: #0052c2;
}

.result-box {
    margin-top: 30px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    border-left: 5px solid #003b8e;
}

.hidden {
    display: none;
}

.info-section, .faq-section {
    padding: 40px 0;
}

details {
    background: #fff;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 10px;
    cursor: pointer;
}

footer {
    text-align: center;
    padding: 20px;
    background: #002d5b;
    color: #fff;
    margin-top: 40px;
}