今日宜贴春联！这些细节，看看你做对了吗？

Group 1 - The article emphasizes the importance of properly adhering to the tradition of pasting Spring Festival couplets, highlighting that it is not just a simple task but one with significant cultural meaning [1][3] - It provides a 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) [3][4] - The traditional placement of couplets is specified, with the upper couplet on the right and the lower couplet on the left when facing the door, reflecting the historical writing direction from right to left [5]