:root{--primary-color:#b83269;--primary-dark:#8e0038;--primary-light:#f8bbd0;--success-color:#4caf50;--warning-color:#ff9800;--danger-color:#f44336;--text-dark:#333333;--text-light:#666666;--border-color:#e0e0e0;--bg-light:#f9f9f9;--shadow-sm:0 2px 4px rgba(0,0,0,0.1);--shadow-md:0 4px 6px rgba(0,0,0,0.1);--shadow-lg:0 8px 16px rgba(0,0,0,0.15);--radius-sm:4px;--radius-md:8px;--radius-lg:12px}.cm-roi-calculator{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;max-width:1000px;margin:40px auto;padding:0 20px;color:var(--text-dark);line-height:1.6}.calculator-container{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}.calculator-header{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:#fff;padding:40px 30px;text-align:center}.calculator-header h2{margin:0 0 10px 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