动作：
15-second bright American family short, warm natural lighting, realistic domestic & outdoor style:
0-3s (Medium shot, sunlit living room): Mom (striped linen top, denim shorts) hands the red/black 8-wheel remote car (glowing red LED lights, sporty decals) to 7yo son (cartoon graphic tee, baseball cap); son’s mouth drops, grinning widely. 3-6s (Two-shot, sofa area): Son grabs the car, tugs dad’s arm—dad (gray hoodie, joggers) slouched on a布艺沙发(cloth sofa)放下手机，smirks: “What’s got you so hyped?” 6-9s (Tracking shot + Close-up, living room): Son presses the remote—car zips across wooden floor, weaves around a throw pillow (obstacle), spins in a quick drift; 8 wheels spin nimbly (close-up of tire movement). 9-12s (Cut to Wide shot, backyard lawn): Dad carries son’s hand, walks outside; son maneuvers the car, which speeds across green grass, zips around a patio chair. 12-15s (Medium shot, backyard): Dad leans down, helps son adjust the remote; they laugh as the car glides past them; text overlay (American casual font): “Turn screen time into play time” (fades out).[音效：soft fabric rustle + gentle living room ambient sound]
2s Mom (cheerful, 美式口语): “Look what I picked up for you, buddy!”
4s Son (excited, shouting): “The 8-wheel race car! Dad, come play—hurry!”
5s Dad (amused, lazy tone): “Whoa, hold on—I’m coming!”
6s [音效：car LED “beep” + smooth wheel hum + drift’s soft floor rustle]
9s [音效：backyard bird chirps + door slide sound]
11s Dad (chuckling): “Whoa, that thing’s fast—let’s see how far it goes!”
13s Son (giggling): “It can go all the way to the fence!”
14s [音效：warm family laughter + car’s soft “beep”]