网上资料，仅供分享
castello分级 从低到高:
sea rock[k kk kkk kkkk G GG],
old Antiquari[K KK KKK/KKKK G GG],
Trademark[K/KK KKK/KKKK G GG/GL] ,
Castello[K KK KKK KKKK/G GG/GL],
Collection[K KK KKK KKKK],
Perla Nera,
Occhio di pernice[K KK KKK KKKK],
Collection Gretline[K KK KKK KKKK],
Collection Fiammata[K KK KKK KKKK],
Collection Greatline Fiammata[K KK KKK KKKK],
Flame .
另外还有Chain public prices
castello级别以下k越多表示尺寸越大，castello级别以上的k越多纹理越好