'; html += ''; html += ''; html += ''; html += ''; html += ''; html += ''; html += '
电费¥ ' + (k*p).toFixed(2) + '
服务费¥ ' + (k*f).toFixed(2) + '
单价 (含服务费)¥ ' + (p+f).toFixed(2) + '/kWh
续航估算 (15kWh/100km)≈ ' + (k/15*100).toFixed(0) + ' km
每公里成本≈ ¥ ' + (total/(k/15*100)).toFixed(2) + ' /km
'; resultContent.innerHTML = html; resultMeta.textContent = '¥ ' + total.toFixed(2); resultArea.classList.add('show'); }); document.getElementById('btn-clear').addEventListener('click', function() { form.reset(); clearError(); clearResult(); }); })();