574 lines
12 KiB
Vue
574 lines
12 KiB
Vue
<template>
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<div>
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<div class="header bottomShadow" :class="{ 'mini': isMiniHeader }">
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<div class="content pageWidth">
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<!-- 主要导航区域 -->
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<div class="bottom desktop">
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<div class="nav-container">
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<div class="logoCell">
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<router-link to="/index" aria-label="返回首页">
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<img class="logo" :src="image_paths.logo" alt="丙维科技">
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</router-link>
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</div>
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<div class="mainMenuCell">
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<nav class="mainMenu">
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<div
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class="nav-item"
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v-for="(menu, index) in menus"
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:key="menu.name"
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@mouseenter="openDropdown(index)"
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@mouseleave="closeDropdown"
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@focusin="openDropdown(index)"
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>
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<router-link
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:to="menu.url"
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class="nav-link"
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:aria-expanded="menu.child.length > 0 ? String(activeDropdownIndex === index) : null"
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:aria-haspopup="menu.child.length > 0 ? 'true' : null"
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@keydown.native.enter.prevent="handleNavEnter(menu, index)"
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@keydown.native.esc.prevent="closeDropdown"
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>
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{{ menu.name }}
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<span v-if="menu.child.length > 0" class="downCaret"></span>
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</router-link>
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<div
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class="dropDown bottomShadowSegment"
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:class="{ visible: activeDropdownIndex === index }"
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v-if="menu.child.length > 0"
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>
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<router-link :to="sonMenu.url" v-for="sonMenu in menu.child" :key="sonMenu.name"
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class="dropdown-item"
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@keydown.native.esc.prevent="closeDropdown">
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{{ sonMenu.name }}
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</router-link>
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</div>
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</div>
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</nav>
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</div>
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</div>
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</div>
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<!-- 移动端导航 -->
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<div class="bottom headerBottom mobile">
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<div class="mobile-nav">
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<div class="logoCell">
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<router-link to="/index" aria-label="返回首页" @click.native="closeMobileMenu">
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<img class="logo" :src="image_paths.mobile_logo" alt="丙维科技">
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</router-link>
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</div>
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<div class="mobileIconsCell">
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<button
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type="button"
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id="hamburger"
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class="mobile-menu-button"
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ref="mobileMenuButton"
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:aria-expanded="mobileMenuOpen ? 'true' : 'false'"
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aria-controls="mobileMenu"
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aria-label="打开或关闭菜单"
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@click.stop="toggleMobileMenu"
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>
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<img :src="image_paths.hamburger" alt="">
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</button>
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</div>
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</div>
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</div>
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</div>
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<!-- 移动端菜单 -->
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<div id="mobileMenu" class="headerMobileMenu bread" :class="{ active: mobileMenuOpen }" @click.self="closeMobileMenu">
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<div class="menuDummy" @click="closeMobileMenu"></div>
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<div class="menuContent" @click.stop>
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<ul>
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<li v-for="menu in menus" :key="menu.name">
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<router-link
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:to="menu.url"
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v-if="menu.child.length === 0"
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ref="mobileMenuLink"
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@click.native="closeMobileMenu"
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>{{ menu.name }}</router-link>
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<span v-else class="menu-label hasSubmenu">{{ menu.name }}</span>
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<ul class="subMenu" v-if="menu.child.length > 0">
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<li v-for="sonMenu in menu.child" :key="sonMenu.name">
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<router-link class="hasSubmenu" :to="sonMenu.url" @click.native="closeMobileMenu">{{ sonMenu.name }}</router-link>
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</li>
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</ul>
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</li>
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</ul>
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<div class="goBack">
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<button type="button" class="linkGoBack flexVerticalCenter" @click="closeMobileMenuAndScrollTop">
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<img :src="image_paths.arrow_back" alt="" aria-hidden="true">
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<span>返回</span>
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</button>
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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>
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</template>
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<script>
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import { getMainMenu } from '../config/menu'
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import { img } from '@/utils/image'
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export default {
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name: 'ihead',
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data() {
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return {
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isMiniHeader: false,
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mobileMenuOpen: false,
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activeDropdownIndex: null,
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menus: getMainMenu()
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}
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},
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computed: {
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image_paths() {
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return {
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logo: img('logo.png'),
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mobile_logo: img('logo.png'),
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hamburger: img('svg/ic-hamburger.svg'),
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arrow_back: img('svg/ic-arrow-back.svg')
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}
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}
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},
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mounted() {
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window.addEventListener('scroll', this.handleScroll)
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document.addEventListener('keydown', this.handleKeydown)
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this.handleScroll()
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},
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beforeDestroy() {
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window.removeEventListener('scroll', this.handleScroll)
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document.removeEventListener('keydown', this.handleKeydown)
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},
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methods: {
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handleScroll() {
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this.isMiniHeader = window.pageYOffset > 200
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},
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toggleMobileMenu() {
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this.mobileMenuOpen = !this.mobileMenuOpen
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if (this.mobileMenuOpen) {
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this.$nextTick(() => {
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const firstLink = this.$refs.mobileMenuLink && this.$refs.mobileMenuLink[0]
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if (firstLink && firstLink.$el) {
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firstLink.$el.focus()
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}
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})
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}
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},
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closeMobileMenu() {
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this.mobileMenuOpen = false
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},
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closeMobileMenuAndRestoreFocus() {
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this.closeMobileMenu()
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this.$nextTick(() => {
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if (this.$refs.mobileMenuButton) {
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this.$refs.mobileMenuButton.focus()
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}
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})
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},
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closeMobileMenuAndScrollTop() {
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this.closeMobileMenu()
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window.scrollTo({
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top: 0,
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left: 0,
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behavior: 'smooth'
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})
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},
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handleKeydown(e) {
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if (e.key === 'Escape') {
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this.closeDropdown()
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if (this.mobileMenuOpen) {
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this.closeMobileMenuAndRestoreFocus()
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}
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}
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},
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openDropdown(index) {
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if (this.menus[index] && this.menus[index].child.length > 0) {
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this.activeDropdownIndex = index
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}
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},
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closeDropdown() {
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this.activeDropdownIndex = null
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},
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handleNavEnter(menu, index) {
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if (menu.child.length > 0) {
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this.openDropdown(index)
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return
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}
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this.$router.push(menu.url)
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}
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}
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}
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</script>
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<style scoped>
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/* 使用更高优先级覆盖 common.css 的样式 */
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/* 重置旧表格布局样式 */
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.header table,
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.header table tbody,
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.header table tbody tr,
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.header table tbody tr td {
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display: block;
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width: auto;
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height: auto;
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border: none;
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padding: 0;
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margin: 0;
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}
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/* 头部基础样式 */
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.header {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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z-index: 1000;
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background: rgba(255, 255, 255, 0.92);
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backdrop-filter: blur(16px);
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transition: all 0.3s ease;
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border-bottom: 1px solid rgba(0, 0, 0, 0.1);
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/* 覆盖旧表格布局 */
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display: block;
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height: auto;
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}
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.header.mini {
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background: rgba(255, 255, 255, 0.98);
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box-shadow: 0 12px 32px rgba(16, 24, 40, 0.08);
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}
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/* 主要导航区域 - 覆盖旧样式 */
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.bottom {
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padding: 15px 0;
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/* 覆盖旧表格布局 */
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display: block;
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height: auto;
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}
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.header .content {
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max-width: 1180px;
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margin: 0 auto;
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padding: 0 24px;
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box-sizing: border-box;
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}
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.nav-container {
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display: flex;
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justify-content: flex-start;
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align-items: center;
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width: 100%;
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}
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.logoCell {
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flex-shrink: 0;
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margin: 0 32px 0 0;
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}
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.logoCell .logo {
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height: 50px;
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transition: transform 0.3s ease;
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}
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.logoCell a {
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display: inline-flex;
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align-items: center;
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}
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.logoCell .logo:hover {
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transform: scale(1.05);
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}
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.mainMenuCell {
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flex: 1;
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display: flex;
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justify-content: flex-start;
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}
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/* 主导航菜单 */
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.mainMenu {
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display: flex;
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gap: 0;
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justify-content: flex-start;
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align-items: center;
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}
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.nav-item {
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position: relative;
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}
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.nav-link {
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display: block;
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padding: 14px 22px;
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color: #1f2937;
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text-decoration: none;
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font-weight: 500;
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font-size: 16px;
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transition: all 0.3s ease;
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border-radius: 6px;
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position: relative;
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white-space: nowrap;
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}
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.nav-link:hover {
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color: #2563eb;
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background: rgba(37, 99, 235, 0.08);
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}
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.nav-link::after {
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content: '';
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position: absolute;
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bottom: 0;
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left: 50%;
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width: 0;
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height: 2px;
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background: #2563eb;
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transition: all 0.3s ease;
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transform: translateX(-50%);
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}
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.nav-link:hover::after {
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width: 80%;
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}
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/* 下拉菜单 */
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.dropDown {
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position: absolute;
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top: 100%;
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left: 50%;
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transform: translateX(-50%);
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background: white;
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border-radius: 8px;
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box-shadow: 0 18px 42px rgba(16, 24, 40, 0.14);
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padding: 15px 0;
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min-width: 200px;
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opacity: 0;
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visibility: hidden;
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transform: translateX(-50%) translateY(-10px);
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transition: all 0.3s ease;
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border: 1px solid rgba(0, 0, 0, 0.1);
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}
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.nav-item:hover .dropDown,
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.nav-item:focus-within .dropDown,
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.dropDown.visible {
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opacity: 1;
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visibility: visible;
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transform: translateX(-50%) translateY(0);
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}
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.dropdown-item {
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display: block;
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padding: 12px 25px;
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color: #2c3e50;
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text-decoration: none;
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transition: all 0.3s ease;
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border-radius: 0;
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text-align: center;
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}
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.dropdown-item:hover {
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background: rgba(37, 99, 235, 0.08);
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color: #2563eb;
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padding-left: 30px;
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}
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/* 下拉箭头 */
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.downCaret {
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display: inline-block;
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margin-left: 5px;
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width: 7px;
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height: 7px;
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border-right: 1.5px solid currentColor;
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border-bottom: 1.5px solid currentColor;
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transform: rotate(45deg) translateY(-2px);
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transition: transform 0.3s ease;
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}
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.nav-item:hover .downCaret,
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.nav-item:focus-within .downCaret {
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transform: rotate(225deg) translateY(-1px);
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}
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/* 移动端导航 */
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.mobile-nav {
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display: flex;
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justify-content: space-between;
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align-items: center;
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}
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.mobile .logo {
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height: 40px;
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}
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#hamburger {
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width: 24px;
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height: 24px;
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padding: 0;
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border: 0;
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background: transparent;
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cursor: pointer;
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transition: transform 0.3s ease;
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}
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#hamburger img {
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display: block;
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width: 100%;
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height: 100%;
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}
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#hamburger:hover {
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transform: scale(1.1);
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}
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/* 移动端菜单 */
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.headerMobileMenu {
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position: fixed;
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top: 0;
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left: -100%;
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width: 100%;
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height: 100vh;
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background: rgba(0, 0, 0, 0.8);
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transition: left 0.3s ease;
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z-index: 1001;
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}
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.headerMobileMenu.active {
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left: 0;
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}
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.menuDummy {
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position: absolute;
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inset: 0;
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}
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.menuContent {
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position: relative;
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background: white;
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width: 80%;
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height: 100%;
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padding: 20px;
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overflow-y: auto;
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}
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.menuContent ul {
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list-style: none;
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padding: 0;
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}
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.menuContent li {
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margin: 15px 0;
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}
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.menuContent a,
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.menuContent .menu-label {
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display: block;
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padding: 15px;
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color: #2c3e50;
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text-decoration: none;
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font-weight: 500;
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border-radius: 8px;
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transition: all 0.3s ease;
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}
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.menuContent a:hover,
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.menuContent .menu-label:hover {
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background: rgba(37, 99, 235, 0.08);
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color: #2563eb;
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}
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.subMenu {
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margin-left: 20px;
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border-left: 2px solid #e9ecef;
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padding-left: 15px;
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}
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.goBack {
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margin-top: 30px;
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padding-top: 20px;
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border-top: 1px solid #e9ecef;
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}
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.linkGoBack {
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display: flex;
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align-items: center;
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gap: 10px;
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width: 100%;
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padding: 15px;
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border: 0;
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background: transparent;
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color: #6c757d;
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text-decoration: none;
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font-weight: 500;
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cursor: pointer;
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}
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.linkGoBack:hover {
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color: #2563eb;
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}
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/* 响应式设计 */
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@media (max-width: 768px) {
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.desktop {
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display: none;
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}
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.mobile {
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display: block;
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}
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.header .content {
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padding: 0 16px;
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}
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.nav-container {
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gap: 1rem;
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}
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}
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@media (min-width: 769px) {
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.mobile {
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display: none;
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}
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.desktop {
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display: block;
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}
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.nav-container {
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gap: 2rem;
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}
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}
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@media (max-width: 1200px) {
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.nav-container {
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gap: 1rem;
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}
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.nav-link {
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padding: 12px 20px;
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font-size: 15px;
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}
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}
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@media (max-width: 1024px) {
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.nav-link {
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padding: 10px 15px;
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font-size: 14px;
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}
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.logoCell .logo {
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height: 45px;
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}
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}
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/* 使用逻辑属性实现更好的间距 */
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.nav-container {
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gap: 2rem;
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}
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/* 使用逻辑属性实现更好的边框 */
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.header {
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border-bottom: 1px solid rgba(0, 0, 0, 0.1);
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}
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</style>
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