fix: 移动端才显示

refactor: 在 header 组件中添加发帖功能，移动端添加发帖悬浮按钮，优化首页搜索标题样式 ,

frontend_nuxt/app.vue

@@ -15,62 +15,66 @@
       <div class="content" :class="{ 'menu-open': menuVisible && !hideMenu }">
         <NuxtPage keepalive />
       </div>
+
+      <div v-if="showNewPostIcon && isMobile" class="new-post-icon" @click="goToNewPost">
+        <i class="fas fa-edit"></i>
+      </div>
     </div>
     <GlobalPopups />
   </div>
 </template>
 
-<script>
+<script setup>
 import HeaderComponent from '~/components/HeaderComponent.vue'
 import MenuComponent from '~/components/MenuComponent.vue'
-
 import GlobalPopups from '~/components/GlobalPopups.vue'
+import { useIsMobile } from '~/utils/screen'
 
-export default {
-  name: 'App',
-  components: { HeaderComponent, MenuComponent, GlobalPopups },
-  setup() {
-    const isMobile = useIsMobile()
-    const menuVisible = ref(!isMobile.value)
-    const hideMenu = computed(() => {
-      return [
-        '/login',
-        '/signup',
-        '/404',
-        '/signup-reason',
-        '/github-callback',
-        '/twitter-callback',
-        '/discord-callback',
-        '/forgot-password',
-        '/google-callback',
-      ].includes(useRoute().path)
-    })
+const isMobile = useIsMobile()
+const menuVisible = ref(!isMobile.value)
 
-    const header = useTemplateRef('header')
+const showNewPostIcon = computed(() => useRoute().path === '/')
 
-    onMounted(() => {
-      if (typeof window !== 'undefined') {
-        menuVisible.value = window.innerWidth > 768
-      }
-    })
+const hideMenu = computed(() => {
+  return [
+    '/login',
+    '/signup',
+    '/404',
+    '/signup-reason',
+    '/github-callback',
+    '/twitter-callback',
+    '/discord-callback',
+    '/forgot-password',
+    '/google-callback',
+  ].includes(useRoute().path)
+})
 
-    const handleMenuOutside = (event) => {
-      const btn = header.value.$refs.menuBtn
-      if (btn && (btn === event.target || btn.contains(event.target))) {
-        return // 如果是菜单按钮的点击，不处理关闭
-      }
+const header = useTemplateRef('header')
 
-      if (isMobile.value) {
-        menuVisible.value = false
-      }
-    }
+onMounted(() => {
+  if (typeof window !== 'undefined') {
+    menuVisible.value = window.innerWidth > 768
+  }
+})
 
-    return { menuVisible, hideMenu, handleMenuOutside, header }
-  },
+const handleMenuOutside = (event) => {
+  const btn = header.value.$refs.menuBtn
+  if (btn && (btn === event.target || btn.contains(event.target))) {
+    return // 如果是菜单按钮的点击，不处理关闭
+  }
+
+  if (isMobile.value) {
+    menuVisible.value = false
+  }
+}
+
+const goToNewPost = () => {
+  navigateTo('/new-post', { replace: false })
 }
 </script>
+
 <style src="~/assets/global.css"></style>
-<style>
+<style scoped>
 .header-container {
   position: fixed;
   top: 0;
@@ -103,6 +107,24 @@ export default {
   margin: 0 auto;
 }
 
+.new-post-icon {
+  background-color: var(--new-post-icon-color);
+  color: white;
+  width: 60px;
+  height: 60px;
+  border-radius: 50%;
+  position: fixed;
+  bottom: 40px;
+  right: 20px;
+  font-size: 20px;
+  cursor: pointer;
+  z-index: 1000;
+  display: flex;
+  backdrop-filter: blur(5px);
+  justify-content: center;
+  align-items: center;
+}
+
 @media (max-width: 768px) {
   .content,
   .content.menu-open {

frontend_nuxt/assets/global.css

@@ -2,6 +2,7 @@
   --primary-color-hover: rgb(9, 95, 105);
   --primary-color: rgb(10, 110, 120);
   --primary-color-disabled: rgba(93, 152, 156, 0.5);
+  --new-post-icon-color: rgba(10, 111, 120, 0.598);
   --header-height: 60px;
   --header-background-color: white;
   --header-border-color: lightgray;
@@ -15,7 +16,8 @@
   --menu-selected-background-color: rgba(208, 250, 255, 0.659);
   --menu-text-color: black;
   --scroller-background-color: rgba(130, 175, 180, 0.5);
-  --normal-background-color: rgb(241, 241, 241);
+  /* --normal-background-color: rgb(241, 241, 241); */
+  --normal-background-color: white;
   --lottery-background-color: rgb(241, 241, 241);
   --code-highlight-background-color: rgb(241, 241, 241);
   --login-background-color: rgb(248, 248, 248);
@@ -23,7 +25,7 @@
   --text-color: black;
   --blockquote-text-color: #6a737d;
   --menu-width: 200px;
-  --page-max-width: 1200px;
+  --page-max-width: 1400px;
   --page-max-width-mobile: 900px;
   --article-info-background-color: #f0f0f0;
   --activity-card-background-color: #fafafa;
@@ -41,9 +43,11 @@
   --background-color-blur: var(--background-color);
   --menu-border-color: #555;
   --normal-border-color: #555;
+  --new-post-icon-color: rgba(10, 111, 120, 0.598);
   --menu-selected-background-color: rgba(255, 255, 255, 0.1);
   --menu-text-color: white;
-  --normal-background-color: #000000;
+  /* --normal-background-color: #000000; */
+  --normal-background-color: #333;
   --lottery-background-color: #4e4e4e;
   --code-highlight-background-color: #262b35;
   --login-background-color: #575757;
@@ -188,11 +192,13 @@ body {
   opacity: 1;
 }
 
+.about-content a,
 .info-content-text a {
   color: var(--primary-color);
   text-decoration: none;
 }
 
+.about-content a:hover,
 .info-content-text a:hover {
   text-decoration: underline;
 }

frontend_nuxt/components/HeaderComponent.vue

@@ -24,6 +24,13 @@
           <div v-if="isMobile" class="search-icon" @click="search">
             <i class="fas fa-search"></i>
           </div>
+
+          <ToolTip v-if="!isMobile" content="发帖" placement="bottom">
+            <div class="new-post-icon" @click="goToNewPost">
+              <i class="fas fa-edit"></i>
+            </div>
+          </ToolTip>
+
           <DropdownMenu ref="userMenu" :items="headerMenuItems">
             <template #trigger>
               <div class="avatar-container">
@@ -52,6 +59,7 @@
 import { ClientOnly } from '#components'
 import { computed, nextTick, ref, watch } from 'vue'
 import DropdownMenu from '~/components/DropdownMenu.vue'
+import ToolTip from '~/components/ToolTip.vue'
 import SearchDropdown from '~/components/SearchDropdown.vue'
 import { authState, clearToken, loadCurrentUser } from '~/utils/auth'
 import { fetchUnreadCount, notificationState } from '~/utils/notification'
@@ -113,6 +121,10 @@ const goToLogout = () => {
   navigateTo('/login', { replace: true })
 }
 
+const goToNewPost = () => {
+  navigateTo('/new-post', { replace: false })
+}
+
 const headerMenuItems = computed(() => [
   { text: '设置', onClick: goToSettings },
   { text: '个人主页', onClick: goToProfile },
@@ -275,6 +287,12 @@ onMounted(async () => {
   cursor: pointer;
 }
 
+.new-post-icon {
+  font-size: 18px;
+  cursor: pointer;
+  margin-right: 10px;
+}
+
 @media (max-width: 1200px) {
   .header-content {
     padding-left: 15px;

frontend_nuxt/components/MenuComponent.vue

@@ -1,119 +1,120 @@
 <template>
   <transition name="slide">
     <nav v-if="visible" class="menu">
-      <div class="menu-item-container">
-        <NuxtLink class="menu-item" exact-active-class="selected" to="/" @click="handleItemClick">
-          <i class="menu-item-icon fas fa-hashtag"></i>
-          <span class="menu-item-text">话题</span>
-        </NuxtLink>
-        <NuxtLink
-          class="menu-item"
-          exact-active-class="selected"
-          to="/message"
-          @click="handleItemClick"
-        >
-          <i class="menu-item-icon fas fa-envelope"></i>
-          <span class="menu-item-text">我的消息</span>
-          <span v-if="unreadCount > 0" class="unread-container">
-            <span class="unread"> {{ showUnreadCount }} </span>
-          </span>
-        </NuxtLink>
-        <NuxtLink
-          class="menu-item"
-          exact-active-class="selected"
-          to="/about"
-          @click="handleItemClick"
-        >
-          <i class="menu-item-icon fas fa-info-circle"></i>
-          <span class="menu-item-text">关于</span>
-        </NuxtLink>
-        <NuxtLink
-          class="menu-item"
-          exact-active-class="selected"
-          to="/activities"
-          @click="handleItemClick"
-        >
-          <i class="menu-item-icon fas fa-gift"></i>
-          <span class="menu-item-text">🔥 活动</span>
-        </NuxtLink>
-        <NuxtLink
-          v-if="shouldShowStats"
-          class="menu-item"
-          exact-active-class="selected"
-          to="/about/stats"
-          @click="handleItemClick"
-        >
-          <i class="menu-item-icon fas fa-chart-line"></i>
-          <span class="menu-item-text">站点统计</span>
-        </NuxtLink>
-        <NuxtLink
-          class="menu-item"
-          exact-active-class="selected"
-          to="/new-post"
-          @click="handleItemClick"
-        >
-          <i class="menu-item-icon fas fa-edit"></i>
-          <span class="menu-item-text">发帖</span>
-        </NuxtLink>
-      </div>
-
-      <div class="menu-section">
-        <div class="section-header" @click="categoryOpen = !categoryOpen">
-          <span>类别</span>
-          <i :class="categoryOpen ? 'fas fa-chevron-up' : 'fas fa-chevron-down'"></i>
-        </div>
-        <div v-if="categoryOpen" class="section-items">
-          <div v-if="isLoadingCategory" class="menu-loading-container">
-            <l-hatch size="28" stroke="4" speed="3.5" color="var(--primary-color)"></l-hatch>
-          </div>
-          <div
-            v-else
-            v-for="c in categoryData"
-            :key="c.id"
-            class="section-item"
-            @click="gotoCategory(c)"
+      <div class="menu-content">
+        <div class="menu-item-container">
+          <NuxtLink class="menu-item" exact-active-class="selected" to="/" @click="handleItemClick">
+            <i class="menu-item-icon fas fa-hashtag"></i>
+            <span class="menu-item-text">话题</span>
+          </NuxtLink>
+          <NuxtLink
+            class="menu-item"
+            exact-active-class="selected"
+            to="/new-post"
+            @click="handleItemClick"
           >
-            <template v-if="c.smallIcon || c.icon">
-              <img
-                v-if="isImageIcon(c.smallIcon || c.icon)"
-                :src="c.smallIcon || c.icon"
-                class="section-item-icon"
-                :alt="c.name"
-              />
-              <i v-else :class="['section-item-icon', c.smallIcon || c.icon]"></i>
-            </template>
-            <span class="section-item-text">
-              {{ c.name }}
-              <span class="section-item-text-count" v-if="c.count >= 0">x {{ c.count }}</span>
+            <i class="menu-item-icon fas fa-edit"></i>
+            <span class="menu-item-text">发帖</span>
+          </NuxtLink>
+          <NuxtLink
+            class="menu-item"
+            exact-active-class="selected"
+            to="/message"
+            @click="handleItemClick"
+          >
+            <i class="menu-item-icon fas fa-envelope"></i>
+            <span class="menu-item-text">我的消息</span>
+            <span v-if="unreadCount > 0" class="unread-container">
+              <span class="unread"> {{ showUnreadCount }} </span>
             </span>
-          </div>
+          </NuxtLink>
+          <NuxtLink
+            class="menu-item"
+            exact-active-class="selected"
+            to="/about"
+            @click="handleItemClick"
+          >
+            <i class="menu-item-icon fas fa-info-circle"></i>
+            <span class="menu-item-text">关于</span>
+          </NuxtLink>
+          <NuxtLink
+            class="menu-item"
+            exact-active-class="selected"
+            to="/activities"
+            @click="handleItemClick"
+          >
+            <i class="menu-item-icon fas fa-gift"></i>
+            <span class="menu-item-text">🔥 活动</span>
+          </NuxtLink>
+          <NuxtLink
+            v-if="shouldShowStats"
+            class="menu-item"
+            exact-active-class="selected"
+            to="/about/stats"
+            @click="handleItemClick"
+          >
+            <i class="menu-item-icon fas fa-chart-line"></i>
+            <span class="menu-item-text">站点统计</span>
+          </NuxtLink>
         </div>
-      </div>
 
-      <div class="menu-section">
-        <div class="section-header" @click="tagOpen = !tagOpen">
-          <span>tag</span>
-          <i :class="tagOpen ? 'fas fa-chevron-up' : 'fas fa-chevron-down'"></i>
-        </div>
-        <div v-if="tagOpen" class="section-items">
-          <div v-if="isLoadingTag" class="menu-loading-container">
-            <l-hatch size="28" stroke="4" speed="3.5" color="var(--primary-color)"></l-hatch>
+        <div class="menu-section">
+          <div class="section-header" @click="categoryOpen = !categoryOpen">
+            <span>类别</span>
+            <i :class="categoryOpen ? 'fas fa-chevron-up' : 'fas fa-chevron-down'"></i>
           </div>
-          <div v-else v-for="t in tagData" :key="t.id" class="section-item" @click="gotoTag(t)">
-            <img
-              v-if="isImageIcon(t.smallIcon || t.icon)"
-              :src="t.smallIcon || t.icon"
-              class="section-item-icon"
-              :alt="t.name"
-            />
-            <i v-else class="section-item-icon fas fa-hashtag"></i>
-            <span class="section-item-text"
-              >{{ t.name }} <span class="section-item-text-count">x {{ t.count }}</span></span
+          <div v-if="categoryOpen" class="section-items">
+            <div v-if="isLoadingCategory" class="menu-loading-container">
+              <l-hatch size="28" stroke="4" speed="3.5" color="var(--primary-color)"></l-hatch>
+            </div>
+            <div
+              v-else
+              v-for="c in categoryData"
+              :key="c.id"
+              class="section-item"
+              @click="gotoCategory(c)"
             >
+              <template v-if="c.smallIcon || c.icon">
+                <img
+                  v-if="isImageIcon(c.smallIcon || c.icon)"
+                  :src="c.smallIcon || c.icon"
+                  class="section-item-icon"
+                  :alt="c.name"
+                />
+                <i v-else :class="['section-item-icon', c.smallIcon || c.icon]"></i>
+              </template>
+              <span class="section-item-text">
+                {{ c.name }}
+                <span class="section-item-text-count" v-if="c.count >= 0">x {{ c.count }}</span>
+              </span>
+            </div>
+          </div>
+        </div>
+
+        <div class="menu-section">
+          <div class="section-header" @click="tagOpen = !tagOpen">
+            <span>tag</span>
+            <i :class="tagOpen ? 'fas fa-chevron-up' : 'fas fa-chevron-down'"></i>
+          </div>
+          <div v-if="tagOpen" class="section-items">
+            <div v-if="isLoadingTag" class="menu-loading-container">
+              <l-hatch size="28" stroke="4" speed="3.5" color="var(--primary-color)"></l-hatch>
+            </div>
+            <div v-else v-for="t in tagData" :key="t.id" class="section-item" @click="gotoTag(t)">
+              <img
+                v-if="isImageIcon(t.smallIcon || t.icon)"
+                :src="t.smallIcon || t.icon"
+                class="section-item-icon"
+                :alt="t.name"
+              />
+              <i v-else class="section-item-icon fas fa-hashtag"></i>
+              <span class="section-item-text"
+                >{{ t.name }} <span class="section-item-text-count">x {{ t.count }}</span></span
+              >
+            </div>
           </div>
         </div>
       </div>
-
       <div class="menu-footer">
         <div class="menu-footer-btn" @click="cycleTheme">
           <i :class="iconClass"></i>
@@ -223,20 +224,28 @@ const gotoTag = (t) => {
 .menu {
   position: sticky;
   top: var(--header-height);
-  width: 200px;
+  width: 220px;
   background-color: var(--menu-background-color);
   height: calc(100vh - 20px - var(--header-height));
   border-right: 1px solid var(--menu-border-color);
   display: flex;
   flex-direction: column;
-  padding: 10px;
   overflow-y: auto;
   scrollbar-width: none;
 }
 
-.menu-item-container {
+.menu-content {
+  width: 100%;
+  height: 100%;
+  overflow-y: auto;
+  box-sizing: border-box;
+  padding: 10px 10px 0 10px;
 }
 
+/* .menu-item-container { */
+/**/
+/* } */
+
 .menu-item {
   padding: 4px 10px;
   text-decoration: none;
@@ -282,10 +291,8 @@ const gotoTag = (t) => {
 }
 
 .menu-footer {
-  position: fixed;
+  position: relation;
   height: 30px;
-  bottom: 10px;
-  right: 10px;
   display: flex;
   align-items: center;
   justify-content: flex-end;
@@ -373,6 +380,10 @@ const gotoTag = (t) => {
     background-color: var(--background-color-blur);
   }
 
+  .menu-content {
+    border-radius: 20px;
+  }
+
   .slide-enter-active,
   .slide-leave-active {
     transition:

frontend_nuxt/components/ToolTip.vue

@@ -0,0 +1,488 @@
+<template>
+  <div class="tooltip-wrapper" ref="wrapperRef">
+    <!-- 触发器 -->
+    <div
+      class="tooltip-trigger"
+      @mouseenter="handleMouseEnter"
+      @mouseleave="handleMouseLeave"
+      @click="handleClick"
+      @focus="handleFocus"
+      @blur="handleBlur"
+      :tabindex="focusable ? 0 : -1"
+    >
+      <slot />
+    </div>
+
+    <!-- 提示内容 -->
+    <Transition name="tooltip-fade">
+      <div
+        v-if="visible"
+        ref="tooltipRef"
+        class="tooltip-content"
+        :class="[
+          `tooltip-${placement}`,
+          { 'tooltip-dark': dark },
+          { 'tooltip-light': !dark }
+        ]"
+        :style="tooltipStyle"
+        role="tooltip"
+        :aria-describedby="ariaId"
+      >
+        <div class="tooltip-inner">
+          <slot name="content">
+            {{ content }}
+          </slot>
+        </div>
+        <div class="tooltip-arrow" :class="`tooltip-arrow-${placement}`"></div>
+      </div>
+    </Transition>
+  </div>
+</template>
+
+<script>
+import { ref, computed, onMounted, onBeforeUnmount, nextTick, useId, watch } from 'vue'
+
+export default {
+  name: 'ToolTip',
+  props: {
+    // 提示内容
+    content: {
+      type: String,
+      default: ''
+    },
+    // 触发方式：hover、click、focus
+    trigger: {
+      type: String,
+      default: 'hover',
+      validator: (value) => ['hover', 'click', 'focus', 'manual'].includes(value)
+    },
+    // 位置：top、bottom、left、right
+    placement: {
+      type: String,
+      default: 'top',
+      validator: (value) => ['top', 'bottom', 'left', 'right'].includes(value)
+    },
+    // 是否启用暗色主题
+    dark: {
+      type: Boolean,
+      default: false
+    },
+    // 延迟显示时间（毫秒）
+    delay: {
+      type: Number,
+      default: 100
+    },
+    // 是否禁用
+    disabled: {
+      type: Boolean,
+      default: false
+    },
+    // 是否可通过Tab键聚焦
+    focusable: {
+      type: Boolean,
+      default: true
+    },
+    // 偏移距离
+    offset: {
+      type: Number,
+      default: 8
+    },
+    // 最大宽度
+    maxWidth: {
+      type: [String, Number],
+      default: '200px'
+    }
+  },
+  emits: ['show', 'hide'],
+  setup(props, { emit }) {
+    const wrapperRef = ref(null)
+    const tooltipRef = ref(null)
+    const visible = ref(false)
+    const ariaId = ref(`tooltip-${useId()}`)
+    
+    let showTimer = null
+    let hideTimer = null
+
+    // 计算tooltip样式
+    const tooltipStyle = computed(() => {
+      const maxWidth = typeof props.maxWidth === 'number' 
+        ? `${props.maxWidth}px` 
+        : props.maxWidth
+      
+      return {
+        maxWidth,
+        zIndex: 2000
+      }
+    })
+
+    // 显示tooltip
+    const show = () => {
+      if (props.disabled) return
+      
+      clearTimeout(hideTimer)
+      showTimer = setTimeout(() => {
+        visible.value = true
+        emit('show')
+        nextTick(() => {
+          updatePosition()
+        })
+      }, props.delay)
+    }
+
+    // 隐藏tooltip
+    const hide = () => {
+      clearTimeout(showTimer)
+      hideTimer = setTimeout(() => {
+        visible.value = false
+        emit('hide')
+      }, 100)
+    }
+
+    // 立即显示（用于manual模式）
+    const showImmediately = () => {
+      if (props.disabled) return
+      clearTimeout(hideTimer)
+      clearTimeout(showTimer)
+      visible.value = true
+      emit('show')
+      nextTick(() => {
+        updatePosition()
+      })
+    }
+
+    // 立即隐藏（用于manual模式）
+    const hideImmediately = () => {
+      clearTimeout(showTimer)
+      clearTimeout(hideTimer)
+      visible.value = false
+      emit('hide')
+    }
+
+    // 更新位置
+    const updatePosition = () => {
+      if (!wrapperRef.value || !tooltipRef.value) return
+
+      const trigger = wrapperRef.value.querySelector('.tooltip-trigger')
+      const tooltip = tooltipRef.value
+      
+      if (!trigger) return
+
+      const triggerRect = trigger.getBoundingClientRect()
+      const tooltipRect = tooltip.getBoundingClientRect()
+      
+      let top = 0
+      let left = 0
+
+      switch (props.placement) {
+        case 'top':
+          top = triggerRect.top - tooltipRect.height - props.offset
+          left = triggerRect.left + (triggerRect.width - tooltipRect.width) / 2
+          break
+        case 'bottom':
+          top = triggerRect.bottom + props.offset
+          left = triggerRect.left + (triggerRect.width - tooltipRect.width) / 2
+          break
+        case 'left':
+          top = triggerRect.top + (triggerRect.height - tooltipRect.height) / 2
+          left = triggerRect.left - tooltipRect.width - props.offset
+          break
+        case 'right':
+          top = triggerRect.top + (triggerRect.height - tooltipRect.height) / 2
+          left = triggerRect.right + props.offset
+          break
+      }
+
+      // 边界检测
+      const padding = 8
+      const viewportWidth = window.innerWidth
+      const viewportHeight = window.innerHeight
+
+      if (left < padding) {
+        left = padding
+      } else if (left + tooltipRect.width > viewportWidth - padding) {
+        left = viewportWidth - tooltipRect.width - padding
+      }
+
+      if (top < padding) {
+        top = padding
+      } else if (top + tooltipRect.height > viewportHeight - padding) {
+        top = viewportHeight - tooltipRect.height - padding
+      }
+
+      tooltip.style.position = 'fixed'
+      tooltip.style.top = `${top}px`
+      tooltip.style.left = `${left}px`
+    }
+
+    // 事件处理
+    const handleMouseEnter = () => {
+      if (props.trigger === 'hover') {
+        show()
+      }
+    }
+
+    const handleMouseLeave = () => {
+      if (props.trigger === 'hover') {
+        hide()
+      }
+    }
+
+    const handleClick = () => {
+      if (props.trigger === 'click') {
+        if (visible.value) {
+          hide()
+        } else {
+          show()
+        }
+      }
+    }
+
+    const handleFocus = () => {
+      if (props.trigger === 'focus') {
+        show()
+      }
+    }
+
+    const handleBlur = () => {
+      if (props.trigger === 'focus') {
+        hide()
+      }
+    }
+
+    // 点击外部隐藏
+    const handleClickOutside = (event) => {
+      if (props.trigger === 'click' && wrapperRef.value && !wrapperRef.value.contains(event.target)) {
+        hide()
+      }
+    }
+
+    // 窗口大小改变时重新计算位置
+    const handleResize = () => {
+      if (visible.value) {
+        updatePosition()
+      }
+    }
+
+    // 监听禁用状态变化
+    watch(() => props.disabled, (newVal) => {
+      if (newVal && visible.value) {
+        hideImmediately()
+      }
+    })
+
+    onMounted(() => {
+      document.addEventListener('click', handleClickOutside)
+      window.addEventListener('resize', handleResize)
+      window.addEventListener('scroll', handleResize)
+    })
+
+    onBeforeUnmount(() => {
+      clearTimeout(showTimer)
+      clearTimeout(hideTimer)
+      document.removeEventListener('click', handleClickOutside)
+      window.removeEventListener('resize', handleResize)
+      window.removeEventListener('scroll', handleResize)
+    })
+
+    return {
+      wrapperRef,
+      tooltipRef,
+      visible,
+      ariaId,
+      tooltipStyle,
+      handleMouseEnter,
+      handleMouseLeave,
+      handleClick,
+      handleFocus,
+      handleBlur,
+      // 暴露给父组件的方法
+      show: showImmediately,
+      hide: hideImmediately
+    }
+  }
+}
+</script>
+
+<style scoped>
+.tooltip-wrapper {
+  position: relative;
+  display: inline-block;
+}
+
+.tooltip-trigger {
+  display: inline-block;
+  outline: none;
+}
+
+.tooltip-content {
+  position: fixed;
+  pointer-events: none;
+  z-index: 2000;
+}
+
+.tooltip-inner {
+  padding: 8px 12px;
+  border-radius: 6px;
+  font-size: 14px;
+  line-height: 1.4;
+  word-wrap: break-word;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
+}
+
+/* 亮色主题 */
+.tooltip-light .tooltip-inner {
+  background-color: var(--background-color);
+  color: var(--text-color);
+  border: 1px solid var(--normal-border-color);
+}
+
+/* 暗色主题 */
+.tooltip-dark .tooltip-inner {
+  background-color: rgba(0, 0, 0, 0.9);
+  color: white;
+}
+
+/* 箭头基础样式 */
+.tooltip-arrow {
+  position: absolute;
+  width: 0;
+  height: 0;
+  border-style: solid;
+}
+
+/* 顶部箭头 */
+.tooltip-top .tooltip-arrow-top {
+  bottom: -6px;
+  left: 50%;
+  transform: translateX(-50%);
+  border-width: 6px 6px 0 6px;
+}
+
+.tooltip-light.tooltip-top .tooltip-arrow-top {
+  border-color: var(--normal-border-color) transparent transparent transparent;
+}
+
+.tooltip-light.tooltip-top .tooltip-arrow-top::after {
+  content: '';
+  position: absolute;
+  top: -7px;
+  left: -6px;
+  border-width: 6px 6px 0 6px;
+  border-style: solid;
+  border-color: var(--background-color) transparent transparent transparent;
+}
+
+.tooltip-dark.tooltip-top .tooltip-arrow-top {
+  border-color: rgba(0, 0, 0, 0.9) transparent transparent transparent;
+}
+
+/* 底部箭头 */
+.tooltip-bottom .tooltip-arrow-bottom {
+  top: -6px;
+  left: 50%;
+  transform: translateX(-50%);
+  border-width: 0 6px 6px 6px;
+}
+
+.tooltip-light.tooltip-bottom .tooltip-arrow-bottom {
+  border-color: transparent transparent var(--normal-border-color) transparent;
+}
+
+.tooltip-light.tooltip-bottom .tooltip-arrow-bottom::after {
+  content: '';
+  position: absolute;
+  top: 1px;
+  left: -6px;
+  border-width: 0 6px 6px 6px;
+  border-style: solid;
+  border-color: transparent transparent var(--background-color) transparent;
+}
+
+.tooltip-dark.tooltip-bottom .tooltip-arrow-bottom {
+  border-color: transparent transparent rgba(0, 0, 0, 0.9) transparent;
+}
+
+/* 左侧箭头 */
+.tooltip-left .tooltip-arrow-left {
+  right: -6px;
+  top: 50%;
+  transform: translateY(-50%);
+  border-width: 6px 0 6px 6px;
+}
+
+.tooltip-light.tooltip-left .tooltip-arrow-left {
+  border-color: transparent transparent transparent var(--normal-border-color);
+}
+
+.tooltip-light.tooltip-left .tooltip-arrow-left::after {
+  content: '';
+  position: absolute;
+  top: -6px;
+  left: -7px;
+  border-width: 6px 0 6px 6px;
+  border-style: solid;
+  border-color: transparent transparent transparent var(--background-color);
+}
+
+.tooltip-dark.tooltip-left .tooltip-arrow-left {
+  border-color: transparent transparent transparent rgba(0, 0, 0, 0.9);
+}
+
+/* 右侧箭头 */
+.tooltip-right .tooltip-arrow-right {
+  left: -6px;
+  top: 50%;
+  transform: translateY(-50%);
+  border-width: 6px 6px 6px 0;
+}
+
+.tooltip-light.tooltip-right .tooltip-arrow-right {
+  border-color: transparent var(--normal-border-color) transparent transparent;
+}
+
+.tooltip-light.tooltip-right .tooltip-arrow-right::after {
+  content: '';
+  position: absolute;
+  top: -6px;
+  left: 1px;
+  border-width: 6px 6px 6px 0;
+  border-style: solid;
+  border-color: transparent var(--background-color) transparent transparent;
+}
+
+.tooltip-dark.tooltip-right .tooltip-arrow-right {
+  border-color: transparent rgba(0, 0, 0, 0.9) transparent transparent;
+}
+
+/* 过渡动画 */
+.tooltip-fade-enter-active,
+.tooltip-fade-leave-active {
+  transition: all 0.2s ease;
+}
+
+.tooltip-fade-enter-from {
+  opacity: 0;
+  transform: scale(0.8);
+}
+
+.tooltip-fade-leave-to {
+  opacity: 0;
+  transform: scale(0.8);
+}
+
+/* 响应式调整 */
+@media (max-width: 768px) {
+  .tooltip-inner {
+    padding: 6px 10px;
+    font-size: 13px;
+    max-width: 250px;
+  }
+}
+
+/* 键盘导航样式 */
+.tooltip-trigger:focus-visible {
+  outline: 2px solid var(--primary-color);
+  outline-offset: 2px;
+  border-radius: 4px;
+}
+</style>

frontend_nuxt/pages/index.vue

@@ -1,10 +1,7 @@
 <template>
   <div class="home-page">
     <div v-if="!isMobile" class="search-container">
-      <div class="search-title">一切可能，从此刻启航</div>
-      <div class="search-subtitle">
-        愿你在此遇见灵感与共鸣。若有疑惑，欢迎发问，亦可在知识的海洋中搜寻答案。
-      </div>
+      <div class="search-title">一切可能，从此刻启航，在此遇见灵感与共鸣</div>
       <SearchDropdown />
     </div>
 
@@ -371,8 +368,8 @@ const sanitizeDescription = (text) => stripMarkdown(text)
 }
 
 .search-container {
-  margin-top: 100px;
-  padding: 20px;
+  margin-top: 32px;
+  padding: 20px 20px 32px;
   display: flex;
   flex-direction: column;
   align-items: center;
@@ -384,9 +381,6 @@ const sanitizeDescription = (text) => stripMarkdown(text)
   font-weight: bold;
 }
 
-.search-subtitle {
-  font-size: 16px;
-}
 
 .loading-container {
   display: flex;