/**
 * 移动端响应式适配样式
 * 适用于所有页面的H5自适应
 */

/* ============================================
   PC端默认样式（隐藏移动端元素）
   ============================================ */

/* 在PC端完全隐藏移动端菜单 */
.mobile-menu-toggle,
.mobile-menu {
    display: none !important;
}

/* 确保PC端弹窗布局正常 */
@media screen and (min-width: 769px) {
    .major-modal .modal-body,
    #majorModal .modal-body,
    #locationModal .modal-body {
        display: flex !important;
        flex-direction: row !important;
    }
    
    .major-modal .major-categories,
    #majorModal .major-categories,
    #locationModal .major-categories {
        width: 180px !important;
        flex-shrink: 0 !important;
        display: block !important;
    }
    
    .major-modal .major-subcategories,
    #majorModal .major-subcategories,
    #locationModal .major-subcategories {
        flex: 1 !important;
        width: auto !important;
        display: block !important;
        overflow-y: auto !important;
        min-width: 400px !important;
    }
    
    /* 确保二级分类列表显示 */
    .major-modal .major-subcategory-list,
    #majorModal .major-subcategory-list,
    #locationModal .major-subcategory-list {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 10px !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .major-modal .major-subcategory-item,
    #majorModal .major-subcategory-item,
    #locationModal .major-subcategory-item {
        display: inline-block !important;
        padding: 8px 16px !important;
        background: #f5f5f5 !important;
        border: 1px solid transparent !important;
        border-radius: 2px !important;
        font-size: 14px !important;
        color: #666 !important;
        cursor: pointer !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

/* ============================================
   基础响应式断点
   ============================================ */
/* 
   - 移动端: < 768px
   - 平板: 768px - 1024px
   - PC端: > 1024px
*/

/* ============================================
   移动端通用适配 (< 768px)
   ============================================ */
@media screen and (max-width: 768px) {
    
    /* 基础样式重置 */
    body {
        font-size: 14px;
        overflow-x: hidden;
    }
    
    /* 顶部导航栏移动端适配 */
    .header {
        height: auto;
        min-height: 50px;
        position: relative;
    }
    
    .header-container {
        flex-wrap: nowrap;
        padding: 10px 15px;
        position: relative;
    }
    
    .logo {
        order: 1;
        flex: 1;
    }
    
    .logo-img {
        height: 30px;
        margin-right: 0;
    }
    
    /* 隐藏PC端导航 */
    .desktop-nav,
    .desktop-actions {
        display: none !important;
    }
    
    /* 汉堡菜单按钮 */
    .mobile-menu-toggle {
        display: flex !important;
        order: 2;
        flex-direction: column;
        justify-content: space-around;
        width: 30px;
        height: 25px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1001;
        position: relative;
    }
    
    .menu-icon {
        width: 100%;
        height: 3px;
        background-color: #fff;
        transition: all 0.3s ease;
        border-radius: 2px;
        position: relative;
    }
    
    /* 汉堡菜单激活状态 - X形 */
    .mobile-menu-toggle.active .menu-icon:nth-child(1) {
        transform: rotate(45deg);
        top: 11px;
    }
    
    .mobile-menu-toggle.active .menu-icon:nth-child(2) {
        opacity: 0;
        transform: translateX(-20px);
    }
    
    .mobile-menu-toggle.active .menu-icon:nth-child(3) {
        transform: rotate(-45deg);
        top: -11px;
    }
    
    /* 移动端菜单 */
    .mobile-menu {
        display: flex !important;
        position: fixed;
        top: 50px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: #2c3e50;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        flex-direction: column;
    }
    
    .mobile-menu.active {
        transform: translateX(0);
    }
    
    /* 移动端导航项 */
    .mobile-nav {
        flex: 1;
        display: flex;
        flex-direction: column;
        padding: 0;
        margin: 0;
    }
    
    .mobile-nav-link {
        display: block;
        padding: 20px 30px;
        color: #fff;
        text-decoration: none;
        font-size: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        transition: background-color 0.2s;
    }
    
    .mobile-nav-link:hover,
    .mobile-nav-link.active {
        background-color: rgba(255, 255, 255, 0.1);
        color: #3498db;
    }
    
    /* 移动端登录区域 */
    .mobile-login {
        padding: 20px 30px;
        border-top: 2px solid rgba(255, 255, 255, 0.2);
        background-color: rgba(0, 0, 0, 0.1);
    }
    
    .mobile-login-link {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 12px 20px;
        background-color: #3498db;
        color: #fff;
        text-decoration: none;
        border-radius: 4px;
        font-size: 15px;
        transition: background-color 0.2s;
    }
    
    .mobile-login-link:hover {
        background-color: #2980b9;
    }
    
    /* Banner区域 */
    .banner-section {
        padding: 0;
    }
    
    .banner-img {
        min-height: 150px;
        max-height: 250px;
    }
    
    /* 主内容区域 */
    .main-content {
        margin: 10px auto;
        padding: 0 10px;
    }
    
    .content-container {
        padding: 15px;
        border-radius: 4px;
        margin-bottom: 15px;
    }
    
    .section-title {
        font-size: 18px;
        margin-bottom: 15px;
        padding-left: 8px;
        border-left-width: 3px;
    }
    
    /* 搜索区域 */
    .search-section {
        padding: 15px 10px;
    }
    
    .search-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-left {
        width: 100%;
    }
    
    .search-title-img {
        max-height: 40px;
        margin-bottom: 10px;
    }
    
    .search-box {
        flex-direction: column;
        gap: 10px;
        display: none;
    }
    
    .search-category-wrapper {
        width: 100%;
    }
    
    .search-input {
        width: 100%;
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .search-btn {
        width: 100%;
        padding: 10px;
        font-size: 14px;
    }
    
    .search-notice-img {
        max-width: 100%;
        height: auto;
        display: none;
    }
    .filter-container {
    margin: 0px auto 20px;
}
    /* 筛选区域 */
    .filter-container,
    .filter-section {
        padding: 10px;
    }
    
    .filter-group,
    .filter-row {
        flex-direction: column;
        margin-bottom: 15px;
    }
    
    .filter-label {
        width: 100%;
        font-size: 14px;
        font-weight: bold;
        margin-bottom: 8px;
        padding: 0;
    }
    
    .filter-tags {
        width: 100%;
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        gap: 8px;
        padding-bottom: 5px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    
    /* 滚动条美化 */
    .filter-tags::-webkit-scrollbar {
        height: 4px;
    }
    
    .filter-tags::-webkit-scrollbar-thumb {
        background-color: rgba(0, 0, 0, 0.2);
        border-radius: 2px;
    }
    
    .tag {
        padding: 6px 12px;
        font-size: 12px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .filter-selects,
    .filter-dropdowns {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .filter-select {
        width: 100%;
        font-size: 13px;
        padding: 8px;
    }
    
    /* 职位列表 */
    .job-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .job-item {
        flex-direction: column;
        padding: 15px;
        gap: 10px;
    }
    
    .job-left,
    .job-right {
        width: 100%;
    }
    
    .job-title {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .job-salary {
        font-size: 16px;
    }
    
    .job-tags,
    .job-info {
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .job-tag,
    .info-item {
        font-size: 12px;
        padding: 4px 8px;
    }
    
    .company-name {
        font-size: 14px;
    }
    
    .company-info {
        font-size: 12px;
    }
    
    /* 新闻列表 */
    .news-container {
        flex-direction: column;
    }
    
    .news-slider {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .news-list {
        width: 100%;
    }
    
    .news-item {
        padding: 15px 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .news-title {
        font-size: 15px;
        line-height: 1.5;
    }
    
    .news-date,
    .news-meta {
        font-size: 12px;
    }
    
    /* 热门推荐 */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .recommend-tabs {
        width: 100%;
        justify-content: flex-start;
    }
    
    .recommend-box {
        padding: 0;
    }
    
    .recommend-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .recommend-item {
        padding: 12px;
        font-size: 14px;
    }
    
    /* 侧边栏 */
    .sidebar {
        display: none;
    }
    
    .detail-sidebar {
        width: 100%;
        margin-top: 20px;
    }
    
    /* 职位详情 */
    .detail-container {
        flex-direction: column;
        padding: 10px;
    }
    
    .detail-main {
        width: 100%;
    }
    
    .job-banner {
        padding: 15px 10px;
    }
    
    .banner-container {
        padding: 0;
    }
    
    .banner-top {
        flex-direction: column;
        gap: 15px;
    }
    
    .banner-left,
    .banner-right {
        width: 100%;
    }
    
    .job-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .job-title {
        font-size: 18px;
    }
    
    .job-salary-tag {
        font-size: 16px;
    }
    
    .job-basic-info {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .info-item {
        font-size: 12px;
    }
    
    .job-requirements {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .requirement-item {
        padding: 10px;
        font-size: 13px;
    }
    
    .job-description,
    .work-location {
        padding: 15px 0;
    }
    
    .desc-section h3 {
        font-size: 15px;
    }
    
    .desc-section p,
    .desc-section li {
        font-size: 14px;
    }
    
    /* 公司信息卡片 */
    .company-card {
        margin-bottom: 15px;
    }
    
    .company-logo {
        max-width: 80px;
    }
    
    /* 弹窗适配 */
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 10px auto;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-header {
        padding: 15px;
    }
    
    .modal-title {
        font-size: 16px;
    }
    
    .modal-body {
        padding: 15px;
        flex-direction: column !important;
    }
    
    .major-categories,
    .major-subcategories {
        width: 100% !important;
        max-height: 300px;
    }
    
    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        gap: 5px;
        justify-content: center;
    }
    
    .page-btn {
        min-width: 36px;
        height: 36px;
        font-size: 14px;
        padding: 0 8px;
    }
    
    .page-input {
        width: 50px;
        font-size: 14px;
    }
    
    /* 面包屑 */
    .breadcrumb {
        padding: 10px 15px;
        font-size: 12px;
    }
    
    /* 新闻详情 */
    .news-content {
        font-size: 15px;
        line-height: 1.8;
    }
    
    .news-content img {
        max-width: 100%;
        height: auto;
    }
    
    .news-meta {
        flex-wrap: wrap;
        gap: 10px;
        font-size: 12px;
    }
    
    /* 返回顶部按钮 */
    .back-to-top {
        width: 45px;
        height: 45px;
        right: 15px;
        bottom: 60px;
        font-size: 20px;
    }
    
    /* 隐藏桌面端元素 */
    .desktop-only {
        display: none !important;
    }
    
    /* 显示移动端元素 */
    .mobile-only {
        display: block !important;
    }
}

/* ============================================
   平板端适配 (768px - 1024px)
   ============================================ */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    
    .header-container {
        max-width: 100%;
        padding: 0 30px;
    }
    
    .main-content {
        max-width: 100%;
        padding: 0 30px;
    }
    
    .content-container {
        padding: 20px 25px;
    }
    
    .nav {
        gap: 30px;
    }
    
    .nav-link {
        font-size: 15px;
    }
    
    .filter-container,
    .filter-section {
        padding: 15px;
    }
    
    .job-list {
        grid-template-columns: 1fr;
    }
    
    .news-container {
        gap: 15px;
    }
    
    .news-slider {
        width: 250px;
    }
    
    .recommend-list {
        grid-template-columns: 1fr 1fr;
    }
    
    .sidebar {
        width: 280px;
    }
}

/* ============================================
   小屏手机适配 (< 375px)
   ============================================ */
@media screen and (max-width: 375px) {
    
    .header {
        min-height: 45px;
    }
    
    .logo-img {
        height: 26px;
    }
    
    .nav-link {
        font-size: 12px;
        padding: 0 6px;
    }
    
    .section-title {
        font-size: 16px;
    }
    
    .job-title {
        font-size: 15px;
    }
    
    .tag {
        padding: 5px 10px;
        font-size: 11px;
    }
    
    .filter-selects,
    .filter-dropdowns {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 98%;
    }
}

/* ============================================
   横屏模式适配
   ============================================ */
@media screen and (max-height: 500px) and (orientation: landscape) {
    
    .banner-img {
        max-height: 200px;
    }
    
    .modal-content {
        max-height: 85vh;
    }
    
    .major-categories,
    .major-subcategories {
        max-height: 200px;
    }
}

/* ============================================
   触摸设备优化
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    
    /* 增加可点击区域 */
    .nav-link,
    .tag,
    .job-item,
    .news-item,
    .page-btn {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* 移除hover效果，使用active */
    .nav-link:active,
    .tag:active,
    .job-item:active,
    .news-item:active {
        opacity: 0.7;
    }
    
    /* 优化滚动性能 */
    .nav,
    .filter-tags,
    .modal-body {
        -webkit-overflow-scrolling: touch;
    }
}

/* ============================================
   高分辨率屏幕适配
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    
    /* 优化图片显示 */
    .logo-img,
    .banner-img,
    .company-logo {
        image-rendering: -webkit-optimize-contrast;
    }
    
    /* 优化边框 */
    .nav-link.active {
        border-bottom-width: 2px;
    }
}

/* ============================================
   打印样式
   ============================================ */
@media print {
    
    .header,
    .search-section,
    .filter-section,
    .sidebar,
    .back-to-top,
    .modal-overlay,
    .modal-content {
        display: none !important;
    }
    
    .main-content {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .content-container {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}