今日宜贴春联！这些细节，看看你做对了吗？

Group 1 - The article discusses the significance and traditional practices of pasting Spring Festival couplets, emphasizing the importance of proper placement and alignment to respect cultural traditions and express hopes for the new year [1][3] - It provides a simple method to distinguish between the upper and lower couplets based on the tone of the last character, where the upper couplet typically ends with a "仄声" (third or fourth tone) and the lower couplet with a "平声" (first or second tone) [2] - The traditional method of pasting couplets is to place the upper couplet on the right and the lower couplet on the left when facing the door, although modern practices may vary [3]