556 lines
12 KiB
Vue
556 lines
12 KiB
Vue
<template>
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<nav class="top-navigation">
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<div class="nav-container">
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<!-- Logo区域 -->
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<div class="nav-logo">
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<img src="@/assets/imgs/logo-icon.svg" alt="Logo" class="logo-icon" />
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<span class="logo-text">红色思政学习平台</span>
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</div>
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<!-- 导航菜单 -->
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<div class="nav-menu" @wheel="handleWheel">
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<div
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v-for="menu in navigationMenus"
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:key="menu.menuID"
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class="nav-item"
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:class="{ active: isActive(menu) }"
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@mouseenter="(e) => handleMouseEnter(menu, e)"
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@mouseleave="handleMouseLeave"
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>
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<div class="nav-link" @click="handleNavClick(menu)">
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<span>{{ menu.name }}</span>
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<img v-if="hasNavigationChildren(menu)" class="arrow-down" src="@/assets/imgs/arrow-down.svg" alt="arrow" />
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</div>
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<!-- 下拉菜单 -->
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<Teleport to="body" v-if="hasNavigationChildren(menu)">
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<div
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class="dropdown-menu"
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:class="{ show: activeDropdown === menu.menuID }"
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:style="getDropdownPosition(menu)"
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@mouseenter="() => { if (menu.menuID) activeDropdown = menu.menuID }"
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@mouseleave="handleMouseLeave"
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>
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<div
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v-for="child in getNavigationChildren(menu)"
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:key="child.menuID"
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class="dropdown-item"
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:class="{ active: isActive(child) }"
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@click="handleNavClick(child)"
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>
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<span>{{ child.name }}</span>
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</div>
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</div>
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</Teleport>
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</div>
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</div>
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<!-- 右侧用户区域 -->
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<div class="nav-right">
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<!-- 搜索框 -->
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<Search @search="handleSearch" />
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<Notice />
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<UserDropdown :user="userInfo" @logout="handleLogout" />
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</div>
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</div>
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</nav>
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</template>
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<script setup lang="ts">
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import { ref, computed } from 'vue';
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import { useRouter, useRoute } from 'vue-router';
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import { useStore } from 'vuex';
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import type { SysMenu } from '@/types';
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import { MenuType } from '@/types/enums';
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// @ts-ignore - Vue 3.5 组件导入兼容性
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import {UserDropdown, Search, Notice} from '@/components/base';
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const router = useRouter();
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const route = useRoute();
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const store = useStore();
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const activeDropdown = ref<string | null>(null);
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const searchKeyword = ref('');
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const dropdownPositions = ref<Record<string, { left: number; top: number; width: number }>>({});
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// 获取所有菜单
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const allMenus = computed(() => store.getters['auth/menuTree']);
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const userInfo = computed(() => store.getters['auth/user']);
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// 获取第一层的导航菜单（MenuType.NAVIGATION），过滤掉用户相关菜单
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const navigationMenus = computed(() => {
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const menus = allMenus.value.filter((menu: SysMenu) => {
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// 过滤掉"用户下拉菜单"容器，这些显示在UserDropdown中
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if (menu.menuID === 'menu_user_dropdown') {
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return false;
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}
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return menu.type === MenuType.NAVIGATION;
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});
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// console.log('导航菜单数据:', menus);
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// menus.forEach((menu: SysMenu) => {
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// console.log(`菜单 ${menu.name}:`, {
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// menuID: menu.menuID,
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// parentID: menu.parentID,
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// children: menu.children,
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// childrenCount: menu.children?.length || 0
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// });
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// });
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return menus;
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});
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// 检查菜单是否有导航类型的子菜单
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function hasNavigationChildren(menu: SysMenu): boolean {
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return !!(menu.children && menu.children.some(child => child.type === MenuType.NAVIGATION));
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}
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// 获取导航类型的子菜单
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function getNavigationChildren(menu: SysMenu): SysMenu[] {
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if (!menu.children) {
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// console.log(`菜单 ${menu.name} 没有子菜单`);
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return [];
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}
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const children = menu.children.filter(child => child.type === MenuType.NAVIGATION);
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// console.log(`菜单 ${menu.name} 的子菜单:`, children);
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return children;
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}
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// 判断菜单是否激活
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function isActive(menu: SysMenu): boolean {
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if (!menu.url) return false;
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// 精确匹配
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if (route.path === menu.url) return true;
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// 检查是否是子路由
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if (menu.children && menu.children.length > 0) {
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return isMenuOrChildActive(menu);
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}
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return false;
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}
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// 递归检查菜单或其子菜单是否激活
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function isMenuOrChildActive(menu: SysMenu): boolean {
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if (route.path === menu.url) return true;
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if (menu.children) {
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return menu.children.some(child => isMenuOrChildActive(child));
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}
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return false;
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}
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// 处理鼠标进入
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function handleMouseEnter(menu: SysMenu, event?: MouseEvent) {
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if (hasNavigationChildren(menu)) {
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activeDropdown.value = menu.menuID || null;
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// 计算下拉菜单位置
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if (event && menu.menuID) {
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const target = event.currentTarget as HTMLElement;
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const navLink = target.querySelector('.nav-link') as HTMLElement;
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const rect = (navLink || target).getBoundingClientRect();
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dropdownPositions.value[menu.menuID] = {
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left: rect.left,
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top: rect.bottom,
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width: rect.width
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};
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}
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}
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}
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// 获取下拉菜单位置样式
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function getDropdownPosition(menu: SysMenu) {
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const menuID = menu.menuID;
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const pos = menuID && dropdownPositions.value[menuID];
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if (!pos) {
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return {
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position: 'fixed' as const,
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visibility: 'hidden' as const
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};
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}
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return {
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position: 'fixed' as const,
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left: `${pos.left}px`,
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top: `${pos.top}px`,
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width: `${pos.width}px`
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};
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}
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// 处理鼠标离开
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function handleMouseLeave() {
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activeDropdown.value = null;
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}
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// 处理鼠标滚轮水平滚动
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function handleWheel(event: WheelEvent) {
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const container = event.currentTarget as HTMLElement;
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if (container) {
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event.preventDefault();
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container.scrollLeft += event.deltaY;
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}
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}
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// 处理导航点击
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function handleNavClick(menu: SysMenu) {
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activeDropdown.value = null;
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if (menu.url) {
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router.push(menu.url);
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} else if (menu.children && menu.children.length > 0) {
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// 如果没有url但有子菜单，跳转到第一个子菜单
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const firstChild = menu.children.find(child => child.url);
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if (firstChild?.url) {
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router.push(firstChild.url);
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}
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}
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}
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// 处理搜索
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function handleSearch(keyword: string) {
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if (keyword && keyword.trim()) {
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// 跳转到搜索页面
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router.push(`/search?keyword=${encodeURIComponent(keyword.trim())}`);
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}
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}
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// 处理登出
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function handleLogout() {
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store.dispatch('auth/logout');
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}
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</script>
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<style lang="scss" scoped>
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.top-navigation {
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height: 76px;
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background: #ffffff;
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border-bottom: 1px solid rgba(72, 72, 72, 0.1);
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position: sticky;
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top: 0;
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z-index: 1000;
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overflow: hidden;
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}
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.nav-container {
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height: 100%;
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display: flex;
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align-items: center;
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padding: 0 50px;
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margin: 0 auto;
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gap: 20px;
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width: 100%;
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position: relative;
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overflow: visible;
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}
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.nav-logo {
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display: flex;
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align-items: center;
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gap: 8px;
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cursor: pointer;
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.logo-icon {
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width: 28px;
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height: 28px;
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display: block;
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}
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.logo-text {
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font-family: "Source Han Sans SC";
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font-weight: 700;
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font-size: 20.6px;
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line-height: 1.31;
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color: #C62828;
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white-space: nowrap;
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}
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}
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.nav-menu {
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display: flex;
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align-items: center;
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gap: 0;
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flex: 1;
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overflow-x: auto;
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overflow-y: visible;
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scroll-behavior: smooth;
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/* 自定义滚动条样式 */
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scrollbar-width: auto;
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scrollbar-color: #C62828 #f5f5f5;
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&::-webkit-scrollbar {
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height: 8px;
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}
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&::-webkit-scrollbar-track {
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background: #f5f5f5;
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border-radius: 4px;
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margin: 0 10px; /* 滚动条内缩 */
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}
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&::-webkit-scrollbar-thumb {
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background: #C62828;
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border-radius: 4px;
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&:hover {
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background: #B71C1C;
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}
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}
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}
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.nav-item {
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position: relative;
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height: 76px;
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display: flex;
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align-items: center;
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flex-shrink: 0; /* 防止菜单项被压缩 */
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&:hover {
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.nav-link {
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background: #f5f5f5;
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font-weight: 600;
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}
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}
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&.active {
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.nav-link {
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color: #C62828;
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font-weight: 600;
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}
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}
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}
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.nav-link {
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 2px;
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padding: 26px 21px;
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color: #141F38;
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font-family: "Source Han Sans SC";
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font-weight: 500;
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font-size: 16px;
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line-height: 1.5;
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cursor: pointer;
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transition: all 0.3s;
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white-space: nowrap;
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user-select: none;
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min-width: 106px;
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&:hover {
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color: #C62828;
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}
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.arrow-down {
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font-size: 8px;
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margin-left: 2px;
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transition: transform 0.3s;
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}
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&:hover .arrow-down {
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transform: rotate(180deg);
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}
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}
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.dropdown-menu {
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background: white;
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border-radius: 4px;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
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opacity: 0;
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visibility: hidden;
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transform: scaleY(0);
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transform-origin: top center;
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transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
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z-index: 10000;
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pointer-events: none;
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&.show {
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opacity: 1;
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visibility: visible;
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transform: scaleY(1);
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pointer-events: auto;
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}
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}
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.dropdown-item {
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 8px;
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padding: 12px 16px;
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color: #333;
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font-family: "Source Han Sans SC";
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font-weight: 400;
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font-size: 14px;
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line-height: 1.5;
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cursor: pointer;
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transition: all 0.3s;
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white-space: nowrap;
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&:hover {
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background: #f5f5f5;
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color: #C62828;
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}
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&.active {
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background: #ffe6e6;
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color: #C62828;
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font-weight: 500;
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}
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}
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.nav-search {
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margin-left: auto;
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margin-right: 20px;
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display: flex;
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justify-content: center;
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align-items: center;
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}
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.search-box {
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position: relative;
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width: 221px;
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height: 36px;
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border: 1px solid #BAC0CC;
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border-radius: 30px;
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background: white;
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display: flex;
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align-items: center;
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overflow: hidden;
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.search-input {
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flex: 1;
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height: 100%;
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border: none;
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outline: none;
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padding: 7px 20px;
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font-family: "Source Han Sans SC";
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font-weight: 400;
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font-size: 14px;
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line-height: 1.57;
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color: #333;
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&::placeholder {
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color: rgba(0, 0, 0, 0.3);
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}
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}
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.search-icon {
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position: absolute;
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right: 10px;
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top: 50%;
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transform: translateY(-50%);
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width: 17px;
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height: 17px;
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display: flex;
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align-items: center;
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justify-content: center;
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background: #C62828;
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border-radius: 50%;
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padding: 2px;
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img {
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width: 14px;
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height: 14px;
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}
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}
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}
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.nav-right {
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margin-left: auto;
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display: flex;
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flex-shrink: 0; /* 防止右侧区域被压缩 */
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// gap: 20px;
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align-items: center;
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// 添加搜索框样式
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:deep(.resource-search) {
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width: 221px;
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height: 36px;
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padding: 0;
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.search-box {
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height: 36px;
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}
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input {
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font-size: 14px;
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padding: 0 70px 0 20px;
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}
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.search-button {
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width: 48px;
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height: 36px;
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img {
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width: 17px;
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height: 17px;
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}
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}
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}
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}
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/* 响应式设计 */
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@media (max-width: 1200px) {
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.nav-container {
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padding: 0 30px;
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gap: 15px;
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}
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.nav-link {
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min-width: 90px;
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padding: 26px 15px;
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font-size: 15px;
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}
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.nav-menu {
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/* 在小屏幕上确保滚动条可见 */
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scrollbar-width: auto;
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}
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}
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@media (max-width: 768px) {
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.nav-container {
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padding: 0 20px;
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gap: 10px;
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}
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.nav-logo .logo-text {
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font-size: 18px;
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}
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.nav-link {
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min-width: 80px;
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padding: 26px 12px;
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font-size: 14px;
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}
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.search-box {
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width: 180px;
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}
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}
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@media (max-width: 480px) {
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.nav-container {
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padding: 0 15px;
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gap: 8px;
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}
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.nav-logo .logo-text {
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font-size: 16px;
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}
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.nav-link {
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min-width: 70px;
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padding: 26px 10px;
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font-size: 13px;
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}
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.search-box {
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width: 150px;
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}
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}
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</style>
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