to create a white staircase with a curved platform base and a running light along the platform riser you can follow these steps 1 design the staircase start by designing the staircase including the number of steps the height of the platform base and the curve of the staircase 2 choose materials select materials for the staircase such as concrete or stone to create a modern and elegant look 3 create the platform base craft the platform base using the chosen material ensuring that it is curved and smooth the platform base should be wide enough to provide a stable surface for the stairs 4 install the running light install a running light along the platform riser to add a touch of sophistication and functionality to the staircase the light should be evenly spaced and well lit to provide adequate illumination 5 add the staircase assemble the staircase including the steps the platform base and the running light ensure that the staircase is well balanced and securely attached to the platform base 6 finish the staircase apply a coat of white paint to the staircase to create a clean and modern look you can also add additional decorative elements such as a railing or a wall mounted light to enhance the overall design by following these steps you can create a stylish and functional white staircase with a curved platform base and a running light along the platform riser architecture