body { scroll-behavior: smooth; }
input[type=range] { -webkit-appearance: none; background: transparent; }
input[type=range]::-webkit-slider-thumb { border: 2px solid white; height: 18px; width: 18px; border-radius: 50%; background: #ea580c; cursor: pointer; -webkit-appearance: none; margin-top: -6px; }
input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 6px; cursor: pointer; background: #e5e7eb; border-radius: 3px; }