fix: 修复所有首页板块 pin 滚动不连贯问题
🐛 问题根源: 每个板块有两套独立的 ScrollTrigger 在同一个元素上: - 入场动画用独立的 scrollTrigger - pin 效果用 ScrollTrigger.create 两者互相冲突,导致空白间隙和动画跳变 ✅ 修复方案: 将所有板块的入场动画和 pin 滚动合并为一个统一时间线(timeline), 确保动画从 pin 开始到结束完全连续,无空白区 🔧 修复的 6 个板块: 1. HomeTestimonials - 标题入场 + 卡片逐张切换(淡入淡出) 2. HomeServices - 标题入场 + 卡片飞入归位 + 逐张聚焦 3. HomeAchievements - 逐个成就项展示(前一个淡出,后一个淡入) 4. HomeTechStack - 内容入场 + 标签散开 + 球体旋转 5. HomeProcess - 标题入场 + 线条绘制 + 步骤逐个出现 + 横向滚动 6. HomeUpdates - 标题入场 + 卡片分批出现 🎯 效果: - pin 期间动画完全连续,无空白间隙 - 入场和 pin 共享同一个 timeline - scrub: 0.5 让滚动更平滑 - 每个板块到下一个板块无缝过渡 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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@@ -216,100 +216,57 @@ onMounted(async () => {
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}, 100)
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ctx = gsap.context(() => {
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// 标题动画
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gsap.fromTo(headerRef.value,
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{ autoAlpha: 0, y: 50 },
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{
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scrollTrigger: {
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trigger: headerRef.value,
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start: 'top 80%',
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toggleActions: 'play none none reverse'
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},
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autoAlpha: 1,
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y: 0,
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duration: 1,
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ease: 'power3.out'
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}
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)
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// 连接线绘制动画
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if (lineRef.value && linePathRef.value) {
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const pathLength = linePathRef.value.getTotalLength()
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gsap.set(linePathRef.value, {
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strokeDasharray: pathLength,
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strokeDashoffset: pathLength
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})
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gsap.fromTo(lineRef.value,
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{ autoAlpha: 0 },
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{
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scrollTrigger: {
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trigger: scrollContainerRef.value,
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start: 'top 75%',
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toggleActions: 'play none none reverse'
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},
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autoAlpha: 1,
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duration: 0.5
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}
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)
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gsap.to(linePathRef.value,
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{
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scrollTrigger: {
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trigger: scrollContainerRef.value,
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start: 'top 75%',
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toggleActions: 'play none none reverse'
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},
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strokeDashoffset: 0,
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duration: 2,
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ease: 'power2.inOut'
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}
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)
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}
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// 步骤节点弹跳入场
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stepElements.value.forEach((step, index) => {
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// 初始状态
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gsap.set(headerRef.value, { autoAlpha: 0, y: 50 })
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stepElements.value.forEach((step) => {
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if (!step) return
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gsap.fromTo(step,
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{ autoAlpha: 0, y: 100, scale: 0.8 },
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{
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scrollTrigger: {
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trigger: step,
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start: 'top 90%',
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toggleActions: 'play none none reverse'
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},
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autoAlpha: 1,
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y: 0,
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scale: 1,
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duration: 0.8,
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delay: index * 0.15,
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ease: 'back.out(1.5)'
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}
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)
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gsap.set(step, { autoAlpha: 0, y: 60, scale: 0.85 })
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})
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// Pin 滚动效果:固定板块,横向滚动浏览所有步骤
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// 统一时间线
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const tl = gsap.timeline()
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// 第一屏:标题入场
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tl.to(headerRef.value, { autoAlpha: 1, y: 0, duration: 0.8, ease: 'power3.out' }, 0)
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// 连接线绘制
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if (lineRef.value && linePathRef.value) {
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const pathLength = linePathRef.value.getTotalLength()
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gsap.set(linePathRef.value, { strokeDasharray: pathLength, strokeDashoffset: pathLength })
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tl.to(lineRef.value, { autoAlpha: 1, duration: 0.3 }, 0.5)
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tl.to(linePathRef.value, { strokeDashoffset: 0, duration: 2, ease: 'power2.inOut' }, 0.5)
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}
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// 横向滚动:步骤卡片逐个出现
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if (scrollContainerRef.value) {
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const container = scrollContainerRef.value.querySelector('.flex')
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if (container) {
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const scrollWidth = container.scrollWidth - window.innerWidth
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gsap.to(container, {
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x: -scrollWidth,
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ease: 'none',
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scrollTrigger: {
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trigger: rootRef.value,
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start: 'top top',
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end: () => `+=${stepElements.value.length * window.innerHeight}`,
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pin: true,
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scrub: 1,
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anticipatePin: 1,
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}
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// 逐个展示步骤
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stepElements.value.forEach((step, index) => {
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if (!step) return
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tl.to(step, {
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autoAlpha: 1, y: 0, scale: 1,
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duration: 0.6, ease: 'back.out(1.5)',
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}, 1 + index * 0.3)
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})
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// 横向滚动
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tl.to(container, { x: -scrollWidth, duration: 3, ease: 'none' }, 1)
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}
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}
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const totalSteps = stepElements.value.length || 6
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ScrollTrigger.create({
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trigger: rootRef.value,
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start: 'top top',
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end: () => `+=${(totalSteps + 2) * window.innerHeight}`,
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pin: true,
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scrub: 0.5,
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anticipatePin: 1,
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animation: tl,
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})
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}, rootRef.value)
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})
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