feat(header): 添加logo悬停动画效果并优化代码格式

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

app/components/layouts/ArcticNewOneHeader.vue

@@ -7,13 +7,14 @@ import { ScrollTrigger } from 'gsap/ScrollTrigger'
 import { useAppStore } from '~/stores/app'
 
 gsap.registerPlugin(ScrollTrigger)
+// gsap.registerPlugin(Observer)
 
 const { t } = useI18n()
 const route = useRoute()
 const appStore = useAppStore()
 
 // 导航菜单数据配置
-const navItems = computed<Array<{name: string, path: string}>>(() => [
+const navItems = computed<Array<{ name: string, path: string }>>(() => [
   { name: t('nav.home'), path: '/' },
   { name: t('nav.studio'), path: '/studio' },
   { name: t('nav.work'), path: '/work' },
@@ -23,8 +24,10 @@ const navItems = computed<Array<{name: string, path: string}>>(() => [
 
 const topHeaderRef = ref<HTMLElement | null>(null)
 const bottomHeaderRef = ref<HTMLElement | null>(null)
+const logoRef = ref<HTMLElement | null>(null)
 let topHeaderTween: gsap.core.Tween | null = null
 let bottomHeaderScrollTrigger: ReturnType<typeof ScrollTrigger.create> | null = null
+let logoObserver: ReturnType<typeof ScrollTrigger.observe> | null = null
 let isBottomHeaderVisible = false
 let fallbackTimer: ReturnType<typeof setTimeout> | null = null
 
@@ -90,6 +93,45 @@ const handleHeroReady = () => {
   playHeaderIntro()
 }
 
+// Logo 文字Hover 动画
+const logoHover = () => {
+  if (!logoRef.value) return
+
+  logoObserver?.kill()
+
+  logoObserver = ScrollTrigger.observe({
+    target: logoRef.value,
+    onHover: (self) => {
+      gsap.to(self.target.children[0] as HTMLElement, {
+        y: -10,
+        duration: 0.3,
+        ease: 'power2.out',
+      })
+      gsap.to(self.target.children[1] as HTMLElement, {
+        y: 10,
+        duration: 0.3,
+        ease: 'power2.out',
+        opacity: 1,
+        visibility: 'visible',
+      })
+    },
+    onHoverEnd: (self) => {
+      gsap.to(self.target.children[0] as HTMLElement, {
+        y: 0,
+        duration: 0.3,
+        ease: 'power2.out',
+      })
+      gsap.to(self.target.children[1] as HTMLElement, {
+        y: 0,
+        duration: 0.3,
+        ease: 'power2.out',
+        opacity: 0,
+        visibility: 'hidden',
+      })
+    },
+  })
+}
+
 onMounted(() => {
   // 顶部导航在页面刚开始滚动的前 200px 内逐渐上移并隐藏。
   topHeaderTween = gsap.to(topHeaderRef.value, {
@@ -125,6 +167,9 @@ onMounted(() => {
   })
 
   ScrollTrigger.refresh()
+
+  // Logo 文字Hover 动画
+  logoHover()
 })
 
 // 监听全局加载状态，当加载完成后再决定 Header 的进场时机
@@ -158,21 +203,28 @@ onBeforeUnmount(() => {
   topHeaderTween?.scrollTrigger?.kill()
   topHeaderTween?.kill()
   bottomHeaderScrollTrigger?.kill()
+  logoObserver?.kill()
   topHeaderTween = null
   bottomHeaderScrollTrigger = null
+  logoObserver = null
   isBottomHeaderVisible = false
   if (topHeaderRef.value && bottomHeaderRef.value) {
     gsap.killTweensOf([topHeaderRef.value, bottomHeaderRef.value])
   }
+  if (logoRef.value) {
+    const brand = logoRef.value.querySelector<HTMLElement>('#logo-brand')
+    const name = logoRef.value.querySelector<HTMLElement>('#logo-name')
+    if (brand && name) {
+      gsap.killTweensOf([brand, name])
+    }
+  }
 })
 </script>
 
 <template>
-  <header
-    ref="topHeaderRef"
+  <header ref="topHeaderRef"
     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"
-    style="opacity: 0; transform: translateY(100vh);"
-  >
+    style="opacity: 0; transform: translateY(100vh);">
     <!-- 左侧：Logo 和 标题 -->
     <div class="flex items-center gap-4">
       <div class="logo-icon flex h-10 w-10 items-center justify-center rounded-full bg-black text-white">
@@ -183,22 +235,24 @@ onBeforeUnmount(() => {
           <path d="M2 12h20" />
         </svg>
       </div>
-      <div class="flex flex-col justify-center">
-        <span class="text-base font-bold leading-none tracking-wider text-black">{{ t('app.brand') }}</span>
-        <span class="mt-1 text-xs leading-none text-gray-500">{{ t('app.name') }}</span>
+      <!-- 改为 relative 并且把子元素设置 absolute 以保证布局不受干扰 -->
+      <div ref="logoRef" class="relative flex h-10 items-center overflow-hidden cursor-pointer" id="logo"
+        style="min-width: 100px;">
+        <span class="absolute left-0 text-base font-bold leading-none tracking-wider text-black" id="logo-brand">{{
+          t('app.brand') }}</span>
+        <!-- 将 name 默认隐藏 -->
+        <span class="absolute left-0 text-xs leading-none text-gray-500 invisible" id="logo-name">{{
+          t('app.name') }}</span>
       </div>
     </div>
 
     <!-- 中间：导航链接 -->
     <nav class="hidden md:flex items-center gap-10 lg:gap-16">
-      <NuxtLink
-        v-for="item in navItems"
-        :key="item.name"
-        :to="item.path"
+      <NuxtLink v-for="item in navItems" :key="item.name" :to="item.path"
         class="nav-link-item group flex items-center overflow-hidden font-semibold tracking-[-0.7px] text-black"
-        style="font-size: 1rem; justify-content: flex-start; position: relative;"
-      >
-        <div class="flex items-center transition-transform duration-300 group-hover:translate-x-0 -translate-x-[18px] pr-[18px]">
+        style="font-size: 1rem; justify-content: flex-start; position: relative;">
+        <div
+          class="flex items-center transition-transform duration-300 group-hover:translate-x-0 -translate-x-[18px] pr-[18px]">
           <span class="mr-2 h-2.5 w-2.5 rounded-full bg-black shrink-0"></span>
           <span>{{ item.name }}</span>
         </div>
@@ -212,11 +266,9 @@ onBeforeUnmount(() => {
     </div>
   </header>
 
-  <header
-    ref="bottomHeaderRef"
+  <header ref="bottomHeaderRef"
     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"
-    style="visibility: hidden; opacity: 0;"
-  >
+    style="visibility: hidden; opacity: 0;">
     <nav>Bottom Navigation</nav>
   </header>
 </template>