virtheart
5bb0c344b9
添加logo元素的悬停动画效果，当鼠标悬停时显示品牌名称和副标题的动画过渡 优化代码格式，包括调整缩进和注释掉未使用的Observer插件 重构logo部分的DOM结构，使用绝对定位确保布局稳定性
275 lines
9.0 KiB
Vue
275 lines
9.0 KiB
Vue
<script setup lang="ts">
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import { onBeforeUnmount, onMounted, ref, computed, watch } from 'vue'
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import { useRoute } from 'vue-router'
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import { useI18n } from 'vue-i18n'
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import gsap from 'gsap'
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import { ScrollTrigger } from 'gsap/ScrollTrigger'
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import { useAppStore } from '~/stores/app'
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gsap.registerPlugin(ScrollTrigger)
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// gsap.registerPlugin(Observer)
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const { t } = useI18n()
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const route = useRoute()
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const appStore = useAppStore()
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// 导航菜单数据配置
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const navItems = computed<Array<{ name: string, path: string }>>(() => [
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{ name: t('nav.home'), path: '/' },
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{ name: t('nav.studio'), path: '/studio' },
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{ name: t('nav.work'), path: '/work' },
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{ name: t('nav.news'), path: '/news' },
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{ name: t('nav.contact'), path: '/contact' }
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])
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const topHeaderRef = ref<HTMLElement | null>(null)
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const bottomHeaderRef = ref<HTMLElement | null>(null)
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const logoRef = ref<HTMLElement | null>(null)
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let topHeaderTween: gsap.core.Tween | null = null
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let bottomHeaderScrollTrigger: ReturnType<typeof ScrollTrigger.create> | null = null
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let logoObserver: ReturnType<typeof ScrollTrigger.observe> | null = null
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let isBottomHeaderVisible = false
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let fallbackTimer: ReturnType<typeof setTimeout> | null = null
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const setBottomHeaderVisible = (visible: boolean) => {
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if (!bottomHeaderRef.value || isBottomHeaderVisible === visible) {
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return
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}
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isBottomHeaderVisible = visible
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gsap.to(bottomHeaderRef.value, {
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yPercent: visible ? 0 : 140,
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autoAlpha: visible ? 1 : 0,
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duration: 0.35,
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ease: 'power2.out',
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overwrite: 'auto',
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})
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}
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// 定义一个供外部或延迟调用的入场动画方法
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const playHeaderIntro = () => {
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if (!topHeaderRef.value) return
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// 如果已经触发过，清理可能存在的保底定时器
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if (fallbackTimer) {
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clearTimeout(fallbackTimer)
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fallbackTimer = null
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}
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gsap.fromTo(topHeaderRef.value,
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{
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y: '100vh',
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opacity: 0 // 恢复初始透明度为0，让它在屏幕最底部时是隐形的
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},
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{
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y: 0,
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opacity: 1, // 伴随飞入的过程逐渐完全显示
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duration: 1.4,
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ease: 'power4.out',
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delay: 0,
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clearProps: 'transform',
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onComplete: () => {
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// 动画完成时，强制把 style 的 opacity 移除，防止被内联样式锁死
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if (topHeaderRef.value) {
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topHeaderRef.value.style.opacity = ''
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}
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// 进场动画完毕后，再将滚动消失动画挂载到 ScrollTrigger
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if (topHeaderTween) {
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ScrollTrigger.create({
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animation: topHeaderTween,
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start: 0,
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end: 200,
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scrub: true,
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})
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ScrollTrigger.refresh()
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}
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}
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})
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}
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// 监听自定义事件，当首页的 Hero 动画完成或到达特定阶段时触发导航栏入场
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const handleHeroReady = () => {
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playHeaderIntro()
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}
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// Logo 文字Hover 动画
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const logoHover = () => {
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if (!logoRef.value) return
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logoObserver?.kill()
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logoObserver = ScrollTrigger.observe({
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target: logoRef.value,
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onHover: (self) => {
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gsap.to(self.target.children[0] as HTMLElement, {
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y: -10,
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duration: 0.3,
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ease: 'power2.out',
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})
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gsap.to(self.target.children[1] as HTMLElement, {
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y: 10,
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duration: 0.3,
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ease: 'power2.out',
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opacity: 1,
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visibility: 'visible',
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})
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},
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onHoverEnd: (self) => {
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gsap.to(self.target.children[0] as HTMLElement, {
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y: 0,
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duration: 0.3,
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ease: 'power2.out',
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})
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gsap.to(self.target.children[1] as HTMLElement, {
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y: 0,
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duration: 0.3,
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ease: 'power2.out',
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opacity: 0,
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visibility: 'hidden',
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})
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},
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})
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}
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onMounted(() => {
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// 顶部导航在页面刚开始滚动的前 200px 内逐渐上移并隐藏。
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topHeaderTween = gsap.to(topHeaderRef.value, {
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yPercent: -140,
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autoAlpha: 0,
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ease: 'none',
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paused: true, // 初始不执行，等进场动画完毕再绑定到 ScrollTrigger
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})
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// 底部导航默认藏在视口下方，只有滚动到深处并向上滚时才出现。
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gsap.set(bottomHeaderRef.value, {
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yPercent: 140,
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autoAlpha: 0,
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})
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bottomHeaderScrollTrigger = ScrollTrigger.create({
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start: 0,
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end: 'max',
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onUpdate: (self) => {
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const scrollY = self.scroll()
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// 深度超过 2500px 后向上滚，显示未来用于深层内容的底部导航。
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if (scrollY > 2500 && self.direction === -1) {
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setBottomHeaderVisible(true)
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return
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}
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// 回到 2300px 以内，或继续向下滚时，底部导航收回。
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if (scrollY <= 2300 || self.direction === 1) {
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setBottomHeaderVisible(false)
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}
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},
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})
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ScrollTrigger.refresh()
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// Logo 文字Hover 动画
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logoHover()
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})
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// 监听全局加载状态，当加载完成后再决定 Header 的进场时机
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watch(() => appStore.isAppLoading, (isLoading) => {
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if (!isLoading && typeof window !== 'undefined') {
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if (route.path === '/') {
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// 首页：等待自定义事件
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window.addEventListener('hero-intro-done', handleHeroReady, { once: true })
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// 增加一个保底的 setTimeout，防止首页的动画事件因为某种原因未能触发
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// 从 loading 结束开始算起，首页的 intro 和 hero 动画加起来大约 3~4 秒
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fallbackTimer = setTimeout(() => {
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window.removeEventListener('hero-intro-done', handleHeroReady)
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playHeaderIntro()
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}, 5000)
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} else {
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// 非首页：加载完成后直接进场
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playHeaderIntro()
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}
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}
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}, { immediate: true })
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onBeforeUnmount(() => {
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if (fallbackTimer) {
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clearTimeout(fallbackTimer)
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fallbackTimer = null
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}
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if (typeof window !== 'undefined') {
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window.removeEventListener('hero-intro-done', handleHeroReady)
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}
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topHeaderTween?.scrollTrigger?.kill()
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topHeaderTween?.kill()
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bottomHeaderScrollTrigger?.kill()
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logoObserver?.kill()
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topHeaderTween = null
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bottomHeaderScrollTrigger = null
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logoObserver = null
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isBottomHeaderVisible = false
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if (topHeaderRef.value && bottomHeaderRef.value) {
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gsap.killTweensOf([topHeaderRef.value, bottomHeaderRef.value])
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}
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if (logoRef.value) {
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const brand = logoRef.value.querySelector<HTMLElement>('#logo-brand')
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const name = logoRef.value.querySelector<HTMLElement>('#logo-name')
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if (brand && name) {
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gsap.killTweensOf([brand, name])
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}
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}
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})
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</script>
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<template>
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<header ref="topHeaderRef"
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class="site-header-top fixed left-0 right-0 top-0 z-50 mx-auto flex h-[100px] w-page-container max-w-[calc(100%-2rem)] items-center justify-between px-4 py-5"
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style="opacity: 0; transform: translateY(100vh);">
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<!-- 左侧：Logo 和 标题 -->
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<div class="flex items-center gap-4">
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<div class="logo-icon flex h-10 w-10 items-center justify-center rounded-full bg-black text-white">
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<!-- 简单的极简风格 SVG Logo -->
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<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" class="h-6 w-6">
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<circle cx="12" cy="12" r="10" />
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<path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z" />
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<path d="M2 12h20" />
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</svg>
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</div>
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<!-- 改为 relative 并且把子元素设置 absolute 以保证布局不受干扰 -->
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<div ref="logoRef" class="relative flex h-10 items-center overflow-hidden cursor-pointer" id="logo"
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style="min-width: 100px;">
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<span class="absolute left-0 text-base font-bold leading-none tracking-wider text-black" id="logo-brand">{{
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t('app.brand') }}</span>
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<!-- 将 name 默认隐藏 -->
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<span class="absolute left-0 text-xs leading-none text-gray-500 invisible" id="logo-name">{{
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t('app.name') }}</span>
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</div>
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</div>
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<!-- 中间：导航链接 -->
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<nav class="hidden md:flex items-center gap-10 lg:gap-16">
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<NuxtLink v-for="item in navItems" :key="item.name" :to="item.path"
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class="nav-link-item group flex items-center overflow-hidden font-semibold tracking-[-0.7px] text-black"
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style="font-size: 1rem; justify-content: flex-start; position: relative;">
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<div
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class="flex items-center transition-transform duration-300 group-hover:translate-x-0 -translate-x-[18px] pr-[18px]">
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<span class="mr-2 h-2.5 w-2.5 rounded-full bg-black shrink-0"></span>
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<span>{{ item.name }}</span>
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</div>
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</NuxtLink>
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</nav>
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<!-- 右侧：菜单图标 (使用 div 绘制) -->
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<div class="menu-icon group flex h-12 w-12 cursor-pointer flex-col items-end justify-center gap-[8px]">
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<div class="h-[2px] w-10 bg-black transition-all duration-300 group-hover:translate-y-[2.5px]"></div>
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<div class="h-[2px] w-10 bg-black transition-all duration-300 group-hover:-translate-y-[2.5px]"></div>
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</div>
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</header>
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<header ref="bottomHeaderRef"
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class="fixed bottom-0 left-0 right-0 z-50 mx-auto h-[100px] w-page-container max-w-[calc(100%-2rem)] bg-blue-200 px-4 py-5"
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style="visibility: hidden; opacity: 0;">
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<nav>Bottom Navigation</nav>
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</header>
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</template>
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