.altpay-instruction-card {
    background: #fdfdfd;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 24px;
    margin: 20px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.altpay-data-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.altpay-data-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 8px;
}

.altpay-data-row code {
    background: #f1f5f9;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 14px;
    margin-right: 8px;
}

.altpay-btn-copy {
    background: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.altpay-btn-copy:hover {
    background: #2563eb;
}

.altpay-memo-warning {
    background: #fffbeb;
    border: 1px solid #fef3c7;
    padding: 12px;
    border-radius: 6px;
    flex-direction: column;
    align-items: flex-start;
}

.altpay-subnote {
    font-size: 12px;
    color: #b45309;
    margin: 4px 0 0 0;
}