:root{--primary: #0066FF;--primary-hover: #0052CC;--secondary: #00C853;--bg: #F8FAFC;--card-bg: #FFFFFF;--text-main: #1E293B;--text-muted: #64748B;--border: #E2E8F0;--radius: 12px;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--font-sans: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased}#app{max-width:800px;margin:0 auto;padding:2rem 1rem}header{margin-bottom:3rem;text-align:center}h1{font-size:2.5rem;font-weight:800;letter-spacing:-.025em;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary),#00C2FF);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}p.subtitle{color:var(--text-muted);font-size:1.1rem}.calculator-grid{display:grid;gap:2rem}.card{background:var(--card-bg);padding:2rem;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}.input-group{margin-bottom:1.5rem}label{display:block;font-weight:600;margin-bottom:.5rem;font-size:.9rem}input,select{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;transition:border-color .2s,box-shadow .2s}input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0066ff1a}button{width:100%;padding:1rem;background-color:var(--primary);color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:background-color .2s;margin-top:1rem}button:hover{background-color:var(--primary-hover)}.results{margin-top:2rem;padding-top:2rem;border-top:2px dashed var(--border)}.result-item{display:flex;justify-content:space-between;margin-bottom:.5rem}.result-total{font-size:1.5rem;font-weight:800;color:var(--secondary);margin-top:1rem}.ad-banner{background:#edf2f7;border:1px dashed #CBD5E0;height:90px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:.8rem;margin:2rem 0;border-radius:var(--radius)}.faq{margin-top:4rem}.faq-item{margin-bottom:1.5rem}.faq-item h3{font-size:1.1rem;margin-bottom:.5rem}footer{margin-top:5rem;padding-top:2rem;border-top:1px solid var(--border);text-align:center;font-size:.9rem;color:var(--text-muted)}.legal-links{margin-top:1rem}.legal-links a{color:var(--primary);text-decoration:none;margin:0 .5rem}.warning-box{background-color:#fffbeb;border:1px solid #FEF3C7;padding:1rem;border-radius:8px;color:#92400e;font-size:.85rem;margin-bottom:2rem}.section-title{font-size:1.8rem;margin:3rem 0 1.5rem;color:var(--text-main);border-left:4px solid var(--primary);padding-left:1rem}.content-text{margin-bottom:1.5rem;color:var(--text-main);font-size:1.05rem}.content-list{margin-bottom:1.5rem;padding-left:1.5rem}.content-list li{margin-bottom:.5rem}.accordion{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:3rem}.accordion-item{border-bottom:1px solid var(--border)}.accordion-item:last-child{border-bottom:none}.accordion-header{padding:1.25rem 1.5rem;background:#fff;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;transition:background .2s}.accordion-header:hover{background:var(--bg)}.accordion-header:after{content:"+";font-size:1.5rem;color:var(--primary);transition:transform .3s}.accordion-item.active .accordion-header:after{content:"-";transform:rotate(180deg)}.accordion-content{padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease-out,padding .3s ease;background:#fafafa}.accordion-item.active .accordion-content{padding:1.25rem 1.5rem;max-height:500px}.example-box{background:#f1f5f9;border-radius:var(--radius);padding:1.5rem;margin:1.5rem 0}.example-box h4{margin-bottom:.5rem;color:var(--primary)}@media (max-width: 640px){h1{font-size:2rem}.card{padding:1.5rem}.section-title{font-size:1.5rem}}