NEW YORK — They’re back. Accessories, that is. After several stripped-down seasons, accessories returned in force for spring. Vintage-look handbags, bold belts, big necklaces and long earrings were everywhere. Here, Anna Sui’s sheer little dress, set off by a knit bag, high-heeled platform sandals and delicate butterflies worn in the hair. For more finishing touches, see pages 4 and 5.