.card{background:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:0 2px 5px rgba(0,0,0,.1);margin-bottom:20px;padding:20px}.card-header{font-size:24px;font-weight:700;margin-bottom:10px;text-align:center}.card-content{font-size:14px}.slider-container{margin:20px 0}.slider-label{display:flex;font-size:16px;justify-content:space-between}input[type=range]{margin-top:10px;width:100%}.summary{display:flex;flex-wrap:wrap;justify-content:space-between;margin-top:20px}.summary-item{flex:1 1 45%;font-size:16px;font-weight:700;margin-bottom:10px;text-align:center}.highlight{background:linear-gradient(90deg,#1e90ff,#32cd32);border-radius:8px;color:#fff;font-size:18px;padding:10px}