.opg-card-box {
    background: #F8F3EE;
    padding: 20px;
    border-radius: 16px;
    border-right: 4px solid #9C8965;
    margin: 15px 0;
}
.opg-label {
    font-weight: bold;
    color: #4a3b2c;
}
.opg-card-number {
    font-size: 1.5rem;
    font-family: monospace;
    background: white;
    display: inline-block;
    padding: 8px 16px;
    border-radius: 12px;
    color: #9C8965;
    letter-spacing: 2px;
}
.opg-note {
    font-size: 0.85rem;
    color: #7f6b55;
}
.opg-upload-form {
    background: #F8F3EE;
    padding: 20px;
    border-radius: 16px;
    margin-top: 20px;
}
.opg-upload-form input[type="file"] {
    border: 1px solid #9C8965;
    padding: 8px;
    border-radius: 8px;
    width: 100%;
}
.opg-btn-submit {
    background: #9C8965;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: 0.3s;
}
.opg-btn-submit:hover {
    background: #7a6849;
}