Sybarites seeking delight in the winter wonderland of St. Moritz, Switzerland, are once again welcome to the newly renovated Kulm Hotel St. Moritz. An iconic haven for the well-heeled since 1856 (the first hotel in in town), the 172-room Kulm focused the 7-month, $6.8 million transformation on its Neukulm Complex wing, transitioning 33 rooms into 26 more ample accommodations. Taking on the task was the French interior designer Pierre-Yves Rochon, who adorned each new room and suite in a palette of light blue a…