virtheart
a22739aa7d
- 添加 Pinia 作为状态管理工具，创建用户 store 管理登录状态 - 重构首页动画逻辑，使用 CSS sticky 替代 ScrollTrigger 实现更流畅的滚动效果 - 优化首屏加载和动画播放流程，修复热更新时的样式残留问题 - 添加演示用户数据并展示在页面属性中
422 lines
11 KiB
Vue
422 lines
11 KiB
Vue
<script setup lang="ts">
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import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
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import { useI18n } from 'vue-i18n'
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import type Lenis from 'lenis'
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import gsap from 'gsap'
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import { ScrollTrigger } from 'gsap/ScrollTrigger'
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import { useUserStore } from '~/stores/user'
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gsap.registerPlugin(ScrollTrigger)
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const { t } = useI18n()
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const introTitle = 'ArcticNewOne'
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const introLetters = introTitle.split('')
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const heroPinDistance = 1200
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const isIntroActive = ref(true)
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const userStore = useUserStore()
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const demoUserName = computed(() => userStore.displayName)
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const demoUserRole = computed(() => userStore.role)
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if (!userStore.isLoggedIn) {
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userStore.loadDemoUser()
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}
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// 让首屏入场的锁滚动在 SSR/首帧就生效，避免等 onMounted 才隐藏滚动条。
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useHead({
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htmlAttrs: {
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class: computed(() => (isIntroActive.value ? 'is-home-intro-active' : undefined)),
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},
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})
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// 背景图是装饰层，左右两列共用同一套模板，只通过 side 区分位置和速度。
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const heroGalleryColumns = [
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{
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side: 'left',
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images: [
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'https://picsum.photos/id/1018/900/1200',
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'https://picsum.photos/id/1015/900/1200',
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'https://picsum.photos/id/1024/900/1200',
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'https://picsum.photos/id/1039/900/1200',
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],
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},
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{
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side: 'right',
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images: [
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'https://picsum.photos/id/1043/900/1200',
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'https://picsum.photos/id/1050/900/1200',
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'https://picsum.photos/id/1067/900/1200',
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'https://picsum.photos/id/1074/900/1200',
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],
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},
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] as const
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const pageRef = ref<HTMLElement | null>(null)
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const introRef = ref<HTMLElement | null>(null)
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const heroStageRef = ref<HTMLElement | null>(null)
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const heroRef = ref<HTMLElement | null>(null)
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const heroPanelRef = ref<HTMLElement | null>(null)
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let heroAnimationContext: gsap.Context | null = null
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let removeLoadListener: (() => void) | null = null
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let restorePageScroll: (() => void) | null = null
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let cleanupHeroScroll: (() => void) | null = null
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onMounted(() => {
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if (!pageRef.value || !introRef.value || !heroStageRef.value || !heroRef.value || !heroPanelRef.value) {
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return
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}
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const { $lenis } = useNuxtApp() as ReturnType<typeof useNuxtApp> & { $lenis?: Lenis }
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const topHeader = document.querySelector<HTMLElement>('.site-header-top')
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heroAnimationContext = gsap.context(() => {
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const pinEndScale = 0.65
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const finalScale = 0.18
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const getExitDistance = () => window.innerHeight
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const setupHeroScroll = () => {
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cleanupHeroScroll?.()
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gsap.set(heroPanelRef.value, {
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scale: 1,
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force3D: true,
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transformOrigin: 'center center',
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})
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const setHeroPanelScale = (scale: number) => {
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if (!heroPanelRef.value) {
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return
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}
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heroPanelRef.value.style.transform = `scale(${scale})`
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}
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const updateHeroPanelScale = () => {
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if (!heroStageRef.value) {
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return
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}
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const exitDistance = getExitDistance()
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const totalDistance = heroPinDistance + exitDistance
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const currentScroll = Math.max(window.scrollY, $lenis?.scroll ?? 0)
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const currentDistance = gsap.utils.clamp(0, totalDistance, currentScroll - heroStageRef.value.offsetTop)
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if (currentDistance <= heroPinDistance) {
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setHeroPanelScale(gsap.utils.interpolate(1, pinEndScale, currentDistance / heroPinDistance))
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return
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}
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setHeroPanelScale(
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gsap.utils.interpolate(
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pinEndScale,
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finalScale,
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(currentDistance - heroPinDistance) / exitDistance,
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),
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)
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}
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// CSS sticky 负责固定；ticker 每帧读取当前滚动距离，避免依赖 scroll/ScrollTrigger 事件链。
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updateHeroPanelScale()
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gsap.ticker.add(updateHeroPanelScale)
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cleanupHeroScroll = () => {
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gsap.ticker.remove(updateHeroPanelScale)
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}
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}
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const playIntro = () => {
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removeLoadListener?.()
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removeLoadListener = null
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const introTimeline = gsap.timeline({
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defaults: { ease: 'power3.out' },
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onComplete: () => {
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gsap.set(introRef.value, { display: 'none' })
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gsap.set(heroRef.value, { clearProps: 'transform' })
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restorePageScroll?.()
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restorePageScroll = null
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ScrollTrigger.refresh()
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},
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})
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introTimeline
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.to('.hero-intro-char', {
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yPercent: 0,
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duration: 0.75,
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stagger: 0.055,
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})
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.addLabel('introOut', '+=0.35')
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.to('.hero-intro-title', {
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autoAlpha: 0,
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duration: 1.05,
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ease: 'power4.inOut',
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}, 'introOut')
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.to(introRef.value, {
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yPercent: -100,
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duration: 1.05,
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ease: 'power4.inOut',
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}, 'introOut')
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.to(heroRef.value, {
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yPercent: 0,
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duration: 1.05,
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ease: 'power4.inOut',
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}, 'introOut')
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if (topHeader) {
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introTimeline.to(topHeader, {
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yPercent: 0,
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autoAlpha: 1,
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duration: 0.55,
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ease: 'power3.out',
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}, 'introOut+=0.45')
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}
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}
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// 首屏入场期间锁住滚动，等 window load 后再开始字母动画，避免资源未就绪时露出 Hero。
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const previousHtmlOverflow = document.documentElement.style.overflow
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const previousBodyOverflow = document.body.style.overflow
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const releasePageScroll = () => {
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isIntroActive.value = false
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document.documentElement.classList.remove('is-home-intro-active')
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document.documentElement.style.overflow = previousHtmlOverflow
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document.body.style.overflow = previousBodyOverflow
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$lenis?.start()
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}
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document.documentElement.classList.add('is-home-intro-active')
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document.documentElement.style.overflow = 'hidden'
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document.body.style.overflow = 'hidden'
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$lenis?.scrollTo(0, { immediate: true })
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$lenis?.stop()
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restorePageScroll = releasePageScroll
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// 每次播放前都重置首屏状态，避免热更新或页面返回时残留上一次的 inline style。
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gsap.set(introRef.value, { display: 'grid', yPercent: 0, autoAlpha: 1 })
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gsap.set('.hero-intro-title', { y: 0, autoAlpha: 1 })
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gsap.set('.hero-intro-char', { yPercent: 110 })
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gsap.set(heroRef.value, { yPercent: 100 })
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if (topHeader) {
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gsap.set(topHeader, { yPercent: -140, autoAlpha: 0 })
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}
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setupHeroScroll()
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if (document.readyState === 'complete') {
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requestAnimationFrame(playIntro)
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return
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}
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window.addEventListener('load', playIntro, { once: true })
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removeLoadListener = () => window.removeEventListener('load', playIntro)
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}, pageRef.value)
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})
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onBeforeUnmount(() => {
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isIntroActive.value = false
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cleanupHeroScroll?.()
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cleanupHeroScroll = null
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removeLoadListener?.()
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removeLoadListener = null
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restorePageScroll?.()
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restorePageScroll = null
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heroAnimationContext?.revert()
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heroAnimationContext = null
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})
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</script>
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<template>
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<main
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ref="pageRef"
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id="top"
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:data-demo-user="demoUserName"
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:data-demo-user-role="demoUserRole"
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>
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<div ref="introRef" class="hero-intro" aria-hidden="true">
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<h1 class="hero-intro-title" :aria-label="introTitle">
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<span
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v-for="(letter, index) in introLetters"
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:key="`${letter}-${index}`"
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class="hero-intro-char-wrap"
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>
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<span class="hero-intro-char">{{ letter }}</span>
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<span v-if="index === introLetters.length - 1" class="hero-intro-tm">TM</span>
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</span>
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</h1>
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</div>
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<section
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ref="heroStageRef"
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class="hero-stage"
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:style="{ '--hero-pin-distance': `${heroPinDistance}px` }"
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>
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<section ref="heroRef" class="hero-section">
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<div class="hero-backdrop" aria-hidden="true">
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<div
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v-for="column in heroGalleryColumns"
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:key="column.side"
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class="hero-gallery"
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:class="`hero-gallery-${column.side}`"
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>
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<!-- 复制两份图片组，配合 translateY(-50%) 做无缝循环。 -->
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<div
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class="hero-gallery-track"
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:class="{ 'hero-gallery-track-slow': column.side === 'right' }"
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>
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<div v-for="copy in 2" :key="`${column.side}-copy-${copy}`" class="hero-gallery-group">
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<img
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v-for="image in column.images"
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:key="`${column.side}-${copy}-${image}`"
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class="hero-gallery-image"
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:src="image"
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alt=""
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decoding="async"
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loading="eager"
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/>
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</div>
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</div>
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</div>
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</div>
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<div ref="heroPanelRef" class="hero-panel">
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<p>Hero Section</p>
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</div>
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</section>
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</section>
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<section class="next-section">
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<h2>Next Section</h2>
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</section>
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<section id="work" class="work-section" data-cursor-label="Read more">
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<p>{{ t('home.welcome') }}</p>
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</section>
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</main>
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</template>
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<style scoped>
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.hero-intro {
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position: fixed;
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inset: 0;
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z-index: 80;
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display: grid;
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place-items: center;
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overflow: hidden;
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color: #fff;
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background: #000;
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will-change: transform;
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}
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.hero-intro-title {
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display: flex;
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margin: 0;
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overflow: hidden;
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font-size: clamp(36px, 6.2vw, 104px);
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font-weight: 700;
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line-height: 0.9;
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letter-spacing: -0.07em;
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white-space: nowrap;
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}
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.hero-intro-char-wrap,
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.hero-intro-char {
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display: inline-block;
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}
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.hero-intro-char-wrap {
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position: relative;
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overflow: hidden;
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}
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.hero-intro-char {
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will-change: transform;
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}
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.hero-intro-tm {
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position: absolute;
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left: calc(100% + 0.12em);
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top: 0.08em;
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font-size: 0.13em;
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font-weight: 700;
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letter-spacing: -0.02em;
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line-height: 1;
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}
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.hero-stage {
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position: relative;
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height: calc(100svh + var(--hero-pin-distance));
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background: #000;
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}
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.hero-section {
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position: sticky;
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top: 0;
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height: 100svh;
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overflow: hidden;
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background: #111;
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}
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.hero-backdrop {
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position: absolute;
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inset: 0;
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overflow: hidden;
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background: #000;
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}
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.hero-gallery {
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position: absolute;
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top: -40px;
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bottom: -40px;
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width: 49vw;
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overflow: hidden;
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}
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.hero-gallery-left {
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left: 0;
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}
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.hero-gallery-right {
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right: 0;
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}
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.hero-gallery-track {
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will-change: transform;
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animation: hero-gallery-scroll 28s linear infinite;
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}
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.hero-gallery-track-slow {
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animation-duration: 42s;
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}
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.hero-gallery-group {
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display: grid;
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gap: 36px;
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padding-bottom: 36px;
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}
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.hero-gallery-image {
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display: block;
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width: 100%;
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height: clamp(260px, 42vh, 430px);
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border-radius: 0;
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object-fit: cover;
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}
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@keyframes hero-gallery-scroll {
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to {
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transform: translateY(-50%);
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}
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}
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.hero-panel {
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position: absolute;
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inset: 0;
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display: grid;
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place-items: center;
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background: #fff;
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font-size: 48px;
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will-change: transform;
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}
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.next-section,
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.work-section {
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min-height: 100svh;
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display: grid;
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place-items: center;
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}
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</style>
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