.etm-ni-bu-wrap {
    width: 100% !important;
    max-width: 560px !important;
    margin: 0 auto !important;
    box-sizing: border-box !important;
}

.etm-ni-bu-section {
    background: #fff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 10px !important;
    padding: 24px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
}

.etm-ni-bu-header { text-align: center !important; margin-bottom: 20px !important; }
.etm-ni-bu-header h2, .etm-ni-bu-header h3 { margin: 0 0 6px 0 !important; }
.etm-ni-bu-header p { margin: 0 !important; color: #64748b !important; font-size: 13px !important; }

.etm-ni-bu-required { color: #dc2626 !important; }
.etm-ni-bu-help { color: #94a3b8 !important; font-size: 11px !important; display: block !important; margin-top: 4px !important; }

.etm-ni-bu-form-row {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
    margin-top: 10px !important;
}