The group ranking is determined according to the following rules:
A, the person with the highest score ranks first.
B, the group with the highest goal difference ranks first.
C, the group with the highest total number of goals ranks first.
If two or more teams are still tied according to the above rules, they will be compared in the following order to determine the ranking order:
Compare the scores of matches between several teams. If they are still equal, then:
E. compare the goal difference of several teams in parallel. If they are still equal, then:
F, compare the number of goals scored by several tied teams. If they are still equal, then:
G. draw lots.
The top two in each group qualify and enter the knockout stage. Among them, each group must kick off at the same time in the last round of two games.