step summary 1. collect inspiration. 2. design the app. 3. After cutting the graph, import it into AE. 4. Create dynamic effects. Specific operation flow 1. Select to expand or collapse the "Conversion Control" pane, and the operation parameters can be edited in the mode bar. 2, the mouse sliding effect, translucent gray circle, enlarge the change of displacement, displayed as hidden. Mouse from 1 seconds to 11 seconds, displacement, scale conversion, 11 seconds to 21 seconds opacity conversion. When drawing the circle representing the mouse, record the fill color, otherwise the next drawing will be different. 3. Set the auxiliary line under 3 cards at 1 seconds, and set the auxiliary line under 1 cards at 21 seconds. 4. Card 3 shifts after rotation. Card 1 moves from the second floor to the first floor, and card 2 groups (home_img and home_img1,home_img and home_ card 1 shift with home_ card 1 and home_img2 shift) move from the third floor to the second floor. 5. Repeat the rotation and shift action: card 1 rotates and shifts, and the group of card 2 is from the second floor to the first floor, and the penultimate floor is card 1 to the second floor. Select all the key frames, and press u to display all the key frames in English without collapsing the action layer of the key frames. 6. The top slider and the bottom slider have the same function, and the second slider is the playing time and animation time.