.input-group-custom{margin-bottom:12px}.input-label{font-weight:500;color:#4a5568;margin-bottom:8px;display:flex;align-items:center;gap:8px;font-size:.95rem;position:relative}.tooltip-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:#667eea;color:#fff;font-size:.7rem;cursor:help;margin-left:5px;position:relative}.tooltip-icon:hover .tooltip-text{visibility:visible;opacity:1}.tooltip-text{visibility:hidden;opacity:0;position:absolute;z-index:1000;bottom:125%;left:50%;transform:translateX(-50%);background-color:#2d3748;color:#fff;text-align:center;padding:8px 12px;border-radius:8px;font-size:.85rem;white-space:nowrap;transition:opacity .3s;box-shadow:0 4px 6px rgba(0,0,0,.1);font-weight:400}.tooltip-text::after{content:"";position:absolute;top:100%;left:50%;margin-left:-5px;border-width:5px;border-style:solid;border-color:#2d3748 transparent transparent transparent}.input-wrapper{position:relative}.form-input{width:100%;padding:10px 12px;border:2px solid #48bb78;border-radius:12px;font-size:1rem;font-family:'Roboto Mono',monospace;transition:all .3s ease;background:#f0fff4}.form-input:focus{outline:none;border-color:#38a169;box-shadow:0 0 0 4px rgba(72,187,120,.2);transform:translateY(-2px)}.form-select{width:100%;padding:10px 12px;border:2px solid #48bb78;border-radius:12px;font-size:1rem;font-family:'Noto Sans TC',sans-serif;transition:all .3s ease;background:#f0fff4;cursor:pointer}.form-select:focus{outline:none;border-color:#38a169;box-shadow:0 0 0 4px rgba(72,187,120,.2)}.input-range{font-size:.75rem;color:#2d3748;margin-top:4px}.form-input.error{border-color:#ef4444;animation:shake .5s ease}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-10px)}75%{transform:translateX(10px)}}.input-row{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.result-section{position:sticky;top:20px}.result-card{text-align:center;padding:30px 20px}.result-label{font-size:1rem;color:#4a5568;font-weight:500;margin-bottom:10px}.result-value{font-family:'Roboto Mono',monospace;font-size:3rem;font-weight:700;margin-bottom:30px;animation:pulse .5s ease;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}.result-divider{border:none;border-top:2px solid #e2e8f0;margin:25px 0}.result-details{background:#f7fafc;padding:20px;border-radius:12px;margin-top:20px}.result-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #e2e8f0}.result-item:last-child{border-bottom:none}.result-item-label{font-size:.95rem;color:#4a5568;display:flex;align-items:center;gap:8px}.result-item-value{font-family:'Roboto Mono',monospace;font-weight:600;color:#2d3748;font-size:1.1rem}.btn-container{display:flex;gap:15px;flex-wrap:wrap;margin-top:20px}@keyframes fadeInDown{from{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@media(max-width:992px){.result-section{position:static}}@media(max-width:768px){.page-header h1{font-size:2rem}.result-value{font-size:2rem}.glass-card{padding:20px}.btn-container{flex-direction:column}.btn-custom{width:100%}.input-row{grid-template-columns:1fr}}.spinner{display:none;border:3px solid rgba(255,255,255,.3);border-top:3px solid #fff;border-radius:50%;width:20px;height:20px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.loading .spinner{display:inline-block}.comparison-toggle{text-align:center;margin-bottom:20px}.toggle-btn{padding:8px 20px;border:2px solid #667eea;background:#fff;color:#667eea;border-radius:8px;cursor:pointer;font-weight:500;transition:all .3s ease}.toggle-btn.active{background:#667eea;color:#fff}.toggle-btn:hover{background:#667eea;color:#fff}