* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Georgia', 'Times New Roman', Times, serif;
}

body {
    background-color: #f8f9fa;
    color: #2b2b2b;
    line-height: 1.8;
    padding: 40px 20px;
}

.document-container {
    background-color: #ffffff;
    max-width: 850px;
    margin: 0 auto;
    padding: 50px 60px;
    border: 1px solid #e1e4e6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    border-radius: 4px;
}

.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.brand-name {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: #1a1a1a;
}

.doc-badge {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f1f3f5;
    color: #495057;
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
}

.divider {
    margin: 25px 0 35px 0;
    border: 0;
    border-top: 2px solid #1a1a1a;
}

.doc-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    text-align: justify;
}

.doc-content .greeting {
    font-weight: bold;
    margin-bottom: 25px;
}

.action-section {
    display: flex;
    gap: 30px;
    margin: 40px 0;
}

.action-card {
    flex: 1;
    background-color: #fdfdfd;
    border: 1px solid #e9ecef;
    padding: 30px;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.action-card h3 {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.action-card p {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 20px;
}

.qr-image {
    width: 160px;
    height: 160px;
    padding: 6px;
    border: 1px solid #dee2e6;
    background: #fff;
}

.shopee-button {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    display: inline-block;
    width: 100%;
    padding: 14px 20px;
    background-color: #ee4d2d;
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95rem;
    border-radius: 4px;
    text-align: center;
    transition: background-color 0.2s;
}

.shopee-button:hover {
    background-color: #d73f22;
}

.doc-footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #dee2e6;
    text-align: center;
}

.doc-footer p {
    font-size: 0.85rem;
    color: #adb5bd;
}

@media (max-width: 768px) {
    body {
        padding: 15px 10px;
    }

    .document-container {
        padding: 30px 20px;
    }

    .doc-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .doc-content p {
        text-align: left;
        font-size: 1rem;
    }

    .action-section {
        flex-direction: column;
        gap: 20px;
    }

    .action-card {
        padding: 20px;
    }
}