规划、审计和指导网站的视觉层级、GSAP 动效、互动、素材、性能和开发交接。用户提到网页视觉、网页动效、GSAP、ScrollTrigger、滚动叙事、Hero 动画、网站风格、动效方案、页面转场、3D/视频网页、动效很乱/很丑/很卡、或需要把网站需求交给开发时使用。本 Skill 是网站视觉与动效决策的权威来源；实际代码交给 website-product-router 和对应前端实现技能。
Measure, diagnose, and improve commerce website delivery for product images, private media, preview video, playback, seeking, and downloads. Use when a storefront or content-creation workspace feels slow, media fails after a storage/server migration, CDN/cache changes are proposed, image/video traffic costs rise, or real multi-network performance must be verified without weakening authorization.
