:root{--primary-gradient:linear-gradient(135deg,#667eea 0%,#764ba2 100%);--success-gradient:linear-gradient(135deg,#f093fb 0%,#f5576c 100%);--info-gradient:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%);--warning-gradient:linear-gradient(135deg,#fa709a 0%,#fee140 100%)}body{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;font-family:'Noto Sans TC',sans-serif}.calculator-container{background:#fff;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:40px;margin:40px auto;max-width:1400px}.calculator-header{text-align:center;margin-bottom:40px;padding-bottom:20px;border-bottom:3px solid #667eea}.calculator-title{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:2.5rem;font-weight:700;margin-bottom:10px}.calculator-subtitle{color:#666;font-size:1.1rem}.card{border:none;border-radius:15px;box-shadow:0 5px 15px rgba(0,0,0,.08);margin-bottom:20px;overflow:hidden}.card-header{background:var(--primary-gradient);color:#fff;font-weight:600;padding:15px 20px;border:none}.card-body{padding:25px}.form-label{font-weight:600;color:#333;margin-bottom:8px;display:flex;align-items:center;gap:5px}.form-control,.form-select{border:2px solid #e0e0e0;border-radius:10px;padding:12px 15px;font-size:1rem;transition:all .3s}.form-control:focus,.form-select:focus{border-color:#667eea;box-shadow:0 0 0 .2rem rgba(102,126,234,.25)}.input-group{margin-bottom:20px}.input-suffix{background:#f8f9fa;border:2px solid #e0e0e0;border-left:none;border-radius:0 10px 10px 0;padding:12px 15px;font-weight:600;color:#666}.result-card{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border-radius:15px;padding:25px;margin-bottom:20px;text-align:center}.result-label{font-size:.95rem;opacity:.9;margin-bottom:8px}.result-value{font-size:2.2rem;font-weight:700;font-family:'Roboto Mono',monospace}.result-subvalue{font-size:1.1rem;opacity:.85;margin-top:5px}.comparison-card{background:#f8f9fa;border-radius:15px;padding:20px;margin-bottom:15px;border-left:5px solid #667eea}.comparison-title{font-weight:600;color:#333;margin-bottom:15px;font-size:1.1rem}.comparison-row{display:flex;justify-content:space-between;margin-bottom:10px;padding:8px 0;border-bottom:1px solid #e0e0e0}.comparison-row:last-child{border-bottom:none}.comparison-label{color:#666;font-size:.95rem}.comparison-value{font-weight:600;color:#333;font-family:'Roboto Mono',monospace}.scenario-card{background:#fff;border:2px solid #e0e0e0;border-radius:12px;padding:15px;margin-bottom:15px;transition:all .3s;cursor:pointer}.scenario-card:hover{border-color:#667eea;transform:translateY(-2px);box-shadow:0 5px 15px rgba(102,126,234,.2)}.scenario-card.active{border-color:#667eea;background:#f8f9ff}.scenario-rate{font-size:1.5rem;font-weight:700;color:#667eea;margin-bottom:5px}.scenario-amount{font-size:1.2rem;font-weight:600;color:#333;font-family:'Roboto Mono',monospace}.scenario-profit{font-size:.9rem;color:#28a745;margin-top:5px}.btn-primary{background:var(--primary-gradient);border:none;border-radius:10px;padding:12px 30px;font-weight:600;transition:all .3s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgba(102,126,234,.4)}.btn-outline-secondary{border:2px solid #6c757d;border-radius:10px;padding:12px 30px;font-weight:600;transition:all .3s}.chart-container{position:relative;height:400px;margin:20px 0}.info-tooltip{display:inline-block;width:18px;height:18px;background:#667eea;color:#fff;border-radius:50%;text-align:center;font-size:12px;line-height:18px;cursor:help;margin-left:5px}.tax-tip{background:linear-gradient(135deg,#ffecd2 0%,#fcb69f 100%);border-left:5px solid #ff6b6b;border-radius:10px;padding:20px;margin:20px 0}.tax-tip-title{font-weight:700;color:#d63031;margin-bottom:10px;font-size:1.1rem}.tax-tip-content{color:#555;line-height:1.6}.risk-warning{background:linear-gradient(135deg,#fff5f5 0%,#ffe5e5 100%);border-left:5px solid #dc3545;border-radius:10px;padding:20px;margin:20px 0}.risk-warning-title{font-weight:700;color:#dc3545;margin-bottom:10px;font-size:1.1rem}.risk-warning-content{color:#555;line-height:1.6}@media(max-width:768px){.calculator-container{padding:20px;margin:20px}.calculator-title{font-size:1.8rem}.result-value{font-size:1.8rem}.chart-container{height:300px}}.seo-content{margin-top:60px;padding-top:40px;border-top:2px solid #e0e0e0}.seo-content h2{color:#667eea;font-weight:700;margin-bottom:20px;font-size:1.8rem}.seo-content h3{color:#764ba2;font-weight:600;margin-top:30px;margin-bottom:15px;font-size:1.3rem}.seo-content p{color:#555;line-height:1.8;margin-bottom:15px}.seo-content ul{color:#555;line-height:1.8;margin-bottom:20px}.seo-content li{margin-bottom:10px}