自定义光标

实心点即时跟随，圆环用更长 duration 形成拖尾。悬停链接时放大圆环。触屏设备应隐藏自定义光标（本页用 matchMedia 判断）。

Works Studio Contact

const xDot = gsap.quickTo("#dot", "x", { duration: 0.12, ease: "power3" });
const yDot = gsap.quickTo("#dot", "y", { duration: 0.12, ease: "power3" });
const xRing = gsap.quickTo("#ring", "x", { duration: 0.35, ease: "power3" });
const yRing = gsap.quickTo("#ring", "y", { duration: 0.35, ease: "power3" });