A, those with high scores rank high. If two or more teams score the same, compare them in the following order to determine the ranking order:
B, compare the scores of several teams with equal points. If they are still equal, then:
C. compare the goal difference between teams with equal points. If they are still equal, then:
D. compare the number of goals scored by teams with equal points. If they are still equal, then:
E. compare the total goal difference of the whole group match. If they are still equal, then:
F, compare the total number of goals in the whole group match. 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.
In the knockout stage, the normal competition time of each game is 90 minutes, which is divided into the first half and the second half, each half is 45 minutes, and the intermission is 15 minutes. If the two sides draw within 90 minutes of the normal game time, there will be a 5-minute break, and then the game will enter a 30-minute overtime. Overtime is divided into the first half and the second half with 15 minutes, and there is no rest time between the first half and the second half. If the two sides can't decide the outcome after the extension, then the game will be held in penalty shoot-out.
References:
FIFA official website Rules