/* ========================================
   全站响应式优化样式
   ======================================== */

/* 基础响应式变量 */
:root {
    --container-padding-mobile: 15px;
    --section-padding-mobile: 50px;
    --font-size-h1-mobile: 1.75rem;
    --font-size-h2-mobile: 1.5rem;
    --font-size-body-mobile: 0.95rem;
}



/* ===== 大屏幕优化 (1400px以上) ===== */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* ===== 中等屏幕 (1200px - 1399px) ===== */
@media (max-width: 1399px) {
    .container {
        max-width: 1140px;
    }

    /* Banner调整 */
    .page-banner,
    .inner-banner {
        min-height: 260px;
    }

    .banner-content h1 {
        font-size: 2rem;
    }
}

/* ===== 平板横屏/小桌面 (992px - 1199px) ===== */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }

    /* 导航优化 */
    .nav-link {
        padding: 0 15px !important;
        font-size: 0.9rem;
    }

    /* 标题调整 */
    .section-title {
        font-size: 2.5rem;
    }

    /* Banner */
    .page-banner,
    .inner-banner {
        min-height: 240px;
    }

    .banner-content h1 {
        font-size: 1.9rem;
    }

    /* 产品页面 */
    .category-sidebar {
        margin-bottom: 30px;
    }

    .products-grid-page {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== 平板竖屏 (768px - 991px) ===== */
@media (max-width: 991px) {

    /* 整体布局 */
    .section-padding {
        padding: 60px 0;
    }

    /* 导航栏 */
    #mainNav {
        padding: 10px 0;
    }

    .navbar-brand img {
        height: 45px;
    }

    .navbar-collapse {
        background: #fff;
        padding: 0;
        margin-top: 0;
        border-radius: 0;
        box-shadow: none;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        border: none;
        width: 100%;
        box-sizing: border-box;
    }

    .navbar-nav {
        height: auto;
        padding: 0;
    }

    .nav-item {
        height: auto;
        margin-bottom: 0;
        border-radius: 0;
        overflow: hidden;
        display: block !important;
    }

    .nav-item:last-child {
        margin-bottom: 0;
    }

    .nav-link {
        padding: 15px 20px !important;
        font-size: 1rem;
        font-weight: 400;
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #333;
        border-radius: 0;
        transition: all 0.2s ease;
        background: transparent;
        border-bottom: 1px solid #f0f0f0;
        margin: 0;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--primary-color);
        background: #fafafa;
    }

    /* 隐藏下拉菜单 */
    .megamenu,
    .dropdown-menu-full {
        display: none !important;
    }

    /* 移动端二级菜单默认隐藏，点击后展开 */
    .submenu-dropdown {
        display: none !important;
        position: static !important;
        width: 100% !important;
        background: #f8f8f8 !important;
        border-radius: 0 !important;
        margin-top: 0 !important;
        padding: 0 !important;
        box-shadow: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        border: none !important;
        border-top: 1px solid #e8e8e8 !important;
        left: auto !important;
        top: auto !important;
    }

    .has-submenu.active .submenu-dropdown {
        display: block !important;
    }

    /* 有子菜单的父级项展开时的样式 */
    .has-submenu.active .nav-link {
        background: #f5f5f5;
        color: var(--primary-color);
        border-bottom-color: #e0e0e0;
    }

    .has-submenu.active .mobile-submenu-icon {
        transform: rotate(180deg);
    }

    /* 移动端二级菜单列表样式 - 纵向排列 */
    .submenu-list {
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
        list-style: none !important;
        flex-direction: column !important;
    }

    .submenu-list li {
        display: block !important;
        width: 100% !important;
        border-bottom: 1px solid #e0e0e0;
        float: none !important;
    }

    .submenu-list li:last-child {
        border-bottom: none;
    }

    .submenu-list li a {
        display: block !important;
        padding: 12px 20px 12px 40px !important;
        color: #666 !important;
        font-size: 0.9rem !important;
        font-weight: 400 !important;
        text-decoration: none !important;
        transition: all 0.2s ease !important;
        background: #f8f8f8 !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .submenu-list li a:hover {
        color: var(--primary-color) !important;
        background: #f0f0f0 !important;
    }

    /* 隐藏子菜单中的图标 */
    .submenu-list li a .icon-wrap,
    .submenu-list li a i,
    .submenu-list li a img {
        display: none !important;
    }

    /* 移动端二级菜单展开图标 */
    .mobile-submenu-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        margin-left: 8px;
        font-size: 0.7rem;
        color: #999;
        transition: all 0.2s ease;
    }

    .nav-link:hover .mobile-submenu-icon,
    .nav-link.active .mobile-submenu-icon {
        color: var(--primary-color);
    }

    .nav-right {
        display: none !important;
    }

    /* 手机端搜索栏 */
    .mobile-search {
        display: block;
        padding: 15px;
        border-bottom: 1px solid #e8e8e8;
    }

    .mobile-search-form {
        position: relative;
        background: #f5f5f5;
        border-radius: 25px;
        border: 1px solid #e0e0e0;
        box-sizing: border-box;
        width: 100%;
        height: 44px;
    }

    .mobile-search-input {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        border: none;
        background: transparent;
        padding: 0 50px 0 15px;
        font-size: 0.9rem;
        outline: none;
        box-sizing: border-box;
        border-radius: 25px;
    }

    .mobile-search-btn {
        position: absolute;
        right: 4px;
        top: 50%;
        transform: translateY(-50%);
        width: 36px;
        height: 36px;
        border: none;
        background: var(--primary-color);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        padding: 0;
        z-index: 2;
    }

    .mobile-search-btn i {
        font-size: 1rem;
        line-height: 1;
    }

    /* Banner */
    .page-banner,
    .inner-banner {
        min-height: 200px;
        margin-top: 70px;
    }

    .banner-content {
        padding: 30px 0;
        margin-top:30px;
    }

    .banner-content h1 {
        font-size: 1.6rem;
        margin-bottom: 10px;
    }

    .banner-content p {
        font-size: 0.95rem;
        margin-bottom: 10px;
    }

    /* 面包屑 */
    .breadcrumb {
        font-size: 0.85rem;
    }

    /* 标题 */
    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .section-header {
        margin-bottom: 40px;
    }

    /* 产品页面侧边栏 */
    .category-sidebar {
        margin-bottom: 30px;
    }

    .sidebar-title {
        font-size: 1.1rem;
        padding: 15px 18px;
    }

    /* 产品网格 */
    .products-grid-page {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        width: calc(100% - 30px) !important;
        max-width: calc(100% - 30px) !important;
        margin: 0 auto !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    /* Footer */
    .footer {
        padding: 50px 0 30px;
    }

    .footer h6 {
        margin-top: 20px;
        margin-bottom: 15px;
    }

    .footer-brand {
        margin-bottom: 20px;
    }

    /* 浮动侧边栏 */
    .float-sidebar {
        right: 10px;
    }

    .float-item {
        width: 70px;
        height: 70px;
    }

    .float-item i {
        font-size: 1.6rem;
    }

    .float-item span {
        font-size: 0.7rem;
    }

    /* 产品详情页 */
    .product-gallery {
        position: static;
    }

    .product-info-detail {
        padding-left: 0;
        margin-top: 25px;
    }

    .product-info-detail h1 {
        font-size: 1.5rem;
    }

    .thumbnail {
        width: 65px;
        height: 65px;
    }

    /* Tab导航 */
    .detail-tabs-nav {
        flex-wrap: wrap;
    }

    .detail-tab-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        flex: 1;
        text-align: center;
    }

    .detail-tabs-content {
        padding: 20px;
    }

    /* 技术参数表格 */
    .specs-table th {
        width: 130px;
        padding: 12px;
        font-size: 0.9rem;
    }

    .specs-table td {
        padding: 12px;
        font-size: 0.9rem;
    }
}

/* ===== 大手机/小平板 (576px - 767px) ===== */
@media (max-width: 767px) {

    /* 整体布局 */
    .section-padding {
        padding: 50px 0;
    }

    .container {
        padding-left: var(--container-padding-mobile);
        padding-right: var(--container-padding-mobile);
    }

    /* 标题 */
    .section-title {
        font-size: 1.75rem;
    }

    .section-title::after {
        width: 60px;
        height: 3px;
        bottom: -10px;
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-top: 20px;
    }

    /* Banner */
    .page-banner,
    .inner-banner {
        min-height: 180px;
    }

    .banner-content h1 {
        font-size: 1.4rem;
    }

    .banner-content p {
        font-size: 0.9rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* 产品网格 */
    .products-grid-page {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        width: calc(100% - 30px) !important;
        max-width: calc(100% - 30px) !important;
        margin: 0 auto !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    .product-card-page .product-img {
        height: 140px;
    }

    .product-card-page .product-info {
        padding: 12px;
    }

    .product-card-page .product-info h5 {
        font-size: 0.85rem;
    }

    /* 卡片通用 */
    .card,
    .cert-card,
    .news-card,
    .honor-card {
        margin-bottom: 15px;
    }

    /* Footer */
    .footer {
        padding: 40px 0 25px;
    }

    .footer h6 {
        font-size: 1rem;
    }

    .footer-links li a {
        font-size: 0.9rem;
        padding: 6px 0;
    }

    .footer-bottom {
        text-align: center;
    }

    .footer-bottom .col-md-6 {
        margin-bottom: 10px;
    }

    .footer-bottom a {
        display: inline-block;
        margin: 5px 10px;
    }

    /* 浮动侧边栏 - 只显示核心功能 */
    .float-sidebar {
        right: 8px;
        bottom: 80px;
    }

    .float-item {
        width: 60px;
        height: 60px;
        margin-bottom: 8px;
    }

    .float-item i {
        font-size: 1.4rem;
    }

    .float-item span {
        font-size: 0.65rem;
    }

    /* 隐藏部分浮动功能 */
    #floatQrcode,
    #floatMessage {
        display: none;
    }

    /* 新闻列表 */
    .news-list-item {
        flex-direction: column;
    }

    .news-list-img {
        width: 100%;
        max-height: 200px;
    }

    .news-list-content {
        padding: 20px;
    }

    .news-list-content h4 {
        font-size: 1.1rem;
    }

    /* 表单 */
    .form-control,
    .form-select {
        font-size: 16px;
        /* 防止iOS缩放 */
        padding: 12px 15px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .btn-lg {
        padding: 14px 28px;
    }
}

/* ===== 小手机 (480px以下) ===== */
/* 统一设计规范:
   - 大标题: 1.2rem
   - 中标题: 1rem  
   - 正文: 0.85rem
   - 小文字: 0.75rem
   - 大圆角: 12px
   - 中圆角: 8px
   - 小圆角: 6px
   - 间距: 12px / 15px / 20px
*/
@media (max-width: 480px) {

    /* ===== 首页轮播优化 ===== */
    .hero-carousel-section {
        margin-top: 55px;
    }

    .carousel-slide {
        min-height: 45vh !important;
        padding: 25px 0 40px !important;
    }

    .carousel-slide .min-vh-100 {
        min-height: 40vh !important;
    }

    .carousel-title {
        font-size: 1.4rem !important;
        margin-bottom: 8px;
        line-height: 1.3;
        font-weight: 700;
    }

    .carousel-desc {
        font-size: 0.85rem !important;
        margin-bottom: 15px;
        line-height: 1.5;
        max-width: 100%;
        opacity: 0.9;
    }

    .carousel-tag {
        padding: 5px 12px;
        font-size: 0.7rem;
        margin-bottom: 10px;
    }

    /* 轮播按钮 */
    .carousel-btns {
        display: flex !important;
        flex-direction: row !important;
        gap: 10px;
        justify-content: flex-start;
    }

    .carousel-btns .btn-light {
        padding: 10px 20px !important;
        font-size: 0.85rem !important;
        border-radius: 20px !important;
        background: #fff !important;
        color: #1e5292 !important;
        font-weight: 600 !important;
        box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15) !important;
        flex: 0 0 auto !important;
        width: auto !important;
    }

    .carousel-btns .btn-outline-light {
        padding: 10px 20px !important;
        font-size: 0.85rem !important;
        border-radius: 20px !important;
        border: 1px solid rgba(255, 255, 255, 0.7) !important;
        background: transparent !important;
        color: #fff !important;
        font-weight: 500 !important;
        flex: 0 0 auto !important;
        width: auto !important;
    }

    .carousel-indicators {
        bottom: 15px;
    }

    .carousel-indicators button {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        margin: 0 3px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    /* ===== 通用区块标题 ===== */
    .section-header {
        margin-bottom: 15px !important;
    }

    .section-title {
        font-size: 1.2rem !important;
        margin-bottom: 6px;
    }

    .section-title::after {
        width: 30px;
        height: 2px;
        left: 50%;
        transform: translateX(-50%);
    }

    .section-subtitle {
        font-size: 0.75rem !important;
        margin-top: 8px;
    }

    /* ===== 关于我们 ===== */
    .about-image-wrapper {
        margin-bottom: 15px;
    }

    .about-image-bg {
        height: 150px !important;
        border-radius: 8px;
    }

    .about-overlay {
        display: none;
    }

    .about-content h3 {
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .about-text {
        font-size: 0.8rem;
        line-height: 1.5;
        margin-bottom: 12px;
    }

    /* 关于我们特性 */
    .about-features {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-bottom: 15px;
    }

    .feature-item {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 0.75rem;
        padding: 6px 10px;
        background: #f5f8fc;
        border-radius: 15px;
        border: 1px solid #e8ecf1;
        color: #1e5292;
        font-weight: 500;
    }

    .feature-item i {
        font-size: 0.8rem;
        color: #0077b6;
    }

    .about-more-btn {
        padding: 8px 20px !important;
        font-size: 0.8rem !important;
        border-radius: 20px !important;
    }

    /* ===== 产品中心 ===== */
    #products {
        padding: 25px 0 !important;
    }

    .product-tabs-wrapper {
        margin-top: 15px !important;
    }

    /* 产品Tab */
    .product-tabs-nav {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: wrap;
        gap: 6px;
        padding: 12px;
        margin-bottom: 15px;
        background: linear-gradient(135deg, #0d1b2a 0%, #1e3a5f 100%);
        border-radius: 10px;
        justify-content: center;
    }

    .product-tab-item {
        flex-shrink: 0;
        padding: 6px 12px;
        font-size: 0.75rem;
        white-space: nowrap;
        background: transparent;
        color: rgba(255, 255, 255, 0.7);
        border-radius: 15px;
        border: none;
        transition: all 0.2s ease;
    }

    .product-tab-item.active {
        background: #fff;
        color: #1e5292;
        font-weight: 600;
    }

    .product-tab-item .tab-icon-wrap {
        display: none;
    }

    /* 产品Tab内容区域 */
    .product-tabs-content {
        padding: 0 !important;
        min-height: auto !important;
    }

    .product-tab-panel {
        width: 100% !important;
    }

    .product-tab-panel.active {
        display: block !important;
    }

    /* 产品网格 - 手机端单独样式 */
    .products-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 12px !important;
        justify-content: center !important;
        width: calc(100% - 30px) !important;
        max-width: calc(100% - 30px) !important;
        margin: 15px auto !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    .products-grid .product-item-new {
        width: 100% !important;
        max-width: 100% !important;
        border-radius: 8px;
        background: #fff;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        overflow: hidden;
    }

    .products-grid .product-item-new .product-item-img {
        height: 120px;
        background-size: cover;
        background-position: center;
    }

    .products-grid .product-item-new h5 {
        font-size: 0.8rem;
        padding: 10px 5px;
        margin: 0;
        text-align: center;
        color: #333;
        font-weight: 500;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .product-item-new p {
        display: none;
    }

    /* ===== 解决方案 ===== */
    #solutions {
        padding: 25px 0 !important;
    }

    .solutions-carousel-wrapper {
        margin-top: 12px !important;
        position: relative;
        padding: 0 15px;
    }

    .solutions-nav-btn {
        position: absolute;
        top: 35%;
        transform: translateY(-50%);
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
        background: rgba(255, 255, 255, 0.3);
        border: none;
        border-radius: 50%;
        color: #fff;
        z-index: 10;
    }

    .solutions-nav-btn.solutions-prev {
        left: 5px;
    }

    .solutions-nav-btn.solutions-next {
        right: 5px;
    }

    /* 案例轮播按钮定位 */
    .solutions-nav-btn.cases-prev-btn {
        left: 5px;
    }

    .solutions-nav-btn.cases-next-btn {
        right: 5px;
    }

    .solution-card-mini {
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    }

    .solution-card-img {
        height: 220px;
        width: 100%;
        object-fit: cover;
    }

    .solution-card-body {
        padding: 8px 15px 10px;
        background: #fff;
        position: relative;
        min-height: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .solution-card-body h5 {
        font-size: 1rem;
        margin-bottom: 2px;
        color: #1e5292;
        font-weight: 600;
        text-align: center;
    }

    .solution-card-body p {
        font-size: 0.75rem;
        line-height: 1.3;
        color: #666;
        text-align: center;
        margin: 0;
        -webkit-line-clamp: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .solution-icon-img {
        width: 45px;
        height: 45px;
        margin-top: -22px;
        margin-bottom: 4px;
        background: #fff;
        border-radius: 50%;
        padding: 4px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        border: 2px solid #1e5292;
        position: relative;
        z-index: 2;
    }

    .solutions-dots {
        margin-top: 15px;
        gap: 6px;
    }

    /* ===== 核心优势 ===== */
    .advantages-section {
        padding: 25px 0 !important;
    }

    .advantages-section .row {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .advantages-section .col-lg-3,
    .advantages-section .col-md-6 {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }

    .advantage-item {
        padding: 12px 10px;
        margin-bottom: 0;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        border: 1px solid #f0f0f0;
        height: 100%;
    }

    .advantage-icon {
        width: 36px;
        height: 36px;
        margin: 0 auto 8px;
        background: linear-gradient(135deg, #0077b6 0%, #1e5292 100%);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .advantage-icon i {
        font-size: 1rem;
        color: #fff;
    }

    .advantage-item h5 {
        font-size: 0.8rem;
        margin-bottom: 4px;
        color: #1e3a5f;
        font-weight: 600;
    }

    .advantage-item p {
        font-size: 0.7rem;
        line-height: 1.4;
        color: #666;
        margin: 0;
    }

    /* ===== 新闻动态 ===== */
    .news-list {
        margin-top: 12px !important;
    }

    .news-card {
        border-radius: 8px;
        margin-bottom: 10px;
    }

    .news-image {
        height: 100px;
    }

    .news-date {
        bottom: -15px;
        left: 10px;
        padding: 5px 8px;
    }

    .news-date .day {
        font-size: 0.9rem;
    }

    .news-date .month {
        font-size: 0.6rem;
    }

    .news-content {
        padding: 20px 10px 10px;
    }

    .news-content h5 {
        font-size: 0.85rem;
        line-height: 1.3;
        margin-bottom: 4px;
    }

    .news-meta {
        gap: 8px;
        margin-bottom: 5px;
    }

    .news-tag {
        font-size: 0.65rem;
        padding: 2px 6px;
    }

    .news-time {
        font-size: 0.65rem;
    }

    .news-content p {
        font-size: 0.75rem;
        line-height: 1.4;
        margin-bottom: 0;
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* ===== 常见问题 ===== */
    .faq-home-list {
        gap: 6px;
    }

    .faq-home-item {
        border-radius: 8px;
    }

    .faq-home-question {
        padding: 10px 12px;
    }

    .faq-home-question h5 {
        font-size: 0.8rem;
        line-height: 1.3;
    }

    .faq-home-question i {
        font-size: 0.8rem;
    }

    .faq-home-answer {
        padding: 0 16px 14px;
    }

    .faq-home-answer p {
        font-size: 0.8rem;
        line-height: 1.6;
    }

    /* ===== 合作伙伴优化 ===== */
    .partners-section {
        padding: 30px 0 !important;
    }

    .partners-carousel-wrapper {
        margin-top: 15px !important;
    }

    .partners-track {
        gap: 15px;
    }

    .partner-logo-box {
        min-width: 100px;
        height: 50px;
        padding: 10px 15px;
        border-radius: 8px;
    }

    .partner-logo-box img {
        max-width: 70px;
        max-height: 30px;
    }

    /* ===== 通用按钮优化 ===== */
    .btn-lg {
        padding: 10px 20px !important;
        font-size: 0.85rem !important;
    }

    .btn-outline-primary.btn-lg {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .text-center.mt-5 {
        margin-top: 20px !important;
    }

    .text-center.mt-4 {
        margin-top: 15px !important;
    }

    /* ========================================
       其他页面移动端优化
       ======================================== */

    /* ===== 产品列表页 ===== */
    .products-page {
        padding: 25px 0 !important;
    }

    /* 产品分类侧边栏 - 美化版 */
    .category-sidebar {
        margin-bottom: 20px;
        background: #fff;
        border-radius: 15px;
        padding: 0;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
        overflow: hidden;
    }

    .sidebar-title {
        font-size: 1rem;
        font-weight: 700;
        padding: 15px 20px;
        margin-bottom: 0;
        background: linear-gradient(135deg, #0d1b2a 0%, #1e3a5f 100%);
        color: #fff;
    }

    .category-nav {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 15px;
    }

    .category-nav>li {
        flex: unset;
    }

    .category-item {
        margin: 0;
    }

    .category-link-wrap {
        width: 100%;
    }

    .category-link {
        padding: 12px 15px;
        font-size: 0.85rem;
        font-weight: 500;
        border-radius: 10px;
        background: #f8fafc;
        border: 1px solid #e8ecf1;
        display: block;
        text-align: center;
        color: #555;
        transition: all 0.3s ease;
    }

    .category-link:hover {
        border-color: #1e5292;
        color: #1e5292;
        background: #f0f7ff;
    }

    .category-item.active>.category-link-wrap>.category-link {
        background: linear-gradient(135deg, #0077b6 0%, #1e5292 100%);
        color: #fff;
        border-color: transparent;
        box-shadow: 0 4px 15px rgba(0, 119, 182, 0.3);
    }

    .toggle-btn {
        display: none;
    }

    .subcategory-list {
        display: none;
    }

    /* 产品列表区域 */
    .products-content {
        padding: 0;
    }

    .products-header h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .products-header h3 span {
        font-size: 0.9rem;
    }

    /* 产品网格优化 */
    .products-grid-page {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        width: calc(100% - 30px) !important;
        max-width: calc(100% - 30px) !important;
        margin: 0 auto !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    .product-card-page {
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
        display: block !important;
        flex-direction: column !important;
    }

    .product-card-page .product-img {
        width: 100% !important;
        height: 120px !important;
        flex-shrink: unset !important;
    }

    .product-card-page .product-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .product-card-page .product-info {
        padding: 12px;
        text-align: center;
    }

    .product-card-page .product-info h5 {
        font-size: 0.85rem;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .product-card-page .product-info .product-model {
        font-size: 0.75rem;
        color: #999;
    }

    /* ===== 产品详情页 ===== */
    .product-detail-section {
        padding: 25px 0 !important;
    }

    .product-gallery {
        margin-bottom: 20px;
    }

    .main-image {
        border-radius: 12px;
        overflow: hidden;
    }

    .main-image img {
        width: 100%;
    }

    .thumbnail-list {
        display: flex;
        gap: 8px;
        margin-top: 10px;
        overflow-x: auto;
        padding-bottom: 5px;
    }

    .thumbnail {
        width: 60px;
        height: 60px;
        flex-shrink: 0;
        border-radius: 8px;
    }

    .product-info-detail h1 {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }

    .product-model-detail {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    .product-desc p {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .product-actions {
        margin-top: 20px;
    }

    .product-actions .btn {
        width: 100%;
        padding: 12px;
        border-radius: 25px;
    }

    /* 产品详情Tab */
    .product-tabs-section {
        padding: 20px 0 !important;
    }

    .detail-tabs-nav {
        display: flex;
        gap: 0;
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 20px;
    }

    .detail-tab-btn {
        flex: 1;
        padding: 12px;
        font-size: 0.9rem;
        text-align: center;
    }

    .detail-tabs-content {
        padding: 15px;
        border-radius: 12px;
    }

    /* 相关产品 */
    .related-products {
        padding: 25px 0 !important;
    }

    .related-title {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }

    /* ===== 文章/新闻列表页 ===== */
    .news-page {
        padding: 25px 0 !important;
    }

    .news-tabs-nav {
        flex-wrap: wrap !important;
        gap: 8px !important;
        margin-bottom: 20px !important;
    }

    .news-tabs-nav .btn {
        padding: 8px 16px;
        font-size: 0.85rem;
        border-radius: 20px;
    }

    .news-list-item {
        flex-direction: column;
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 15px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    }

    .news-list-img {
        width: 100%;
        height: 160px;
    }

    .news-list-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .news-list-content {
        padding: 15px;
    }

    .news-list-content h4 {
        font-size: 1rem;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .news-list-content h4 a {
        color: #333;
    }

    .news-list-date {
        font-size: 0.8rem;
        color: #999;
        margin-bottom: 8px;
        display: block;
    }

    .news-list-content p {
        font-size: 0.85rem;
        line-height: 1.5;
        color: #666;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* ===== 文章详情页 ===== */
    .article-page {
        padding: 20px 0 !important;
    }

    .article-detail {
        padding: 20px !important;
        border-radius: 15px !important;
    }

    .article-header {
        padding-bottom: 15px !important;
        margin-bottom: 15px !important;
    }

    .article-title {
        font-size: 1.25rem !important;
        line-height: 1.4;
    }

    .article-meta {
        gap: 10px !important;
    }

    .meta-item {
        font-size: 0.8rem;
        color: #999;
    }

    .article-content {
        font-size: 0.95rem;
        line-height: 1.8;
    }

    .article-content img {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
    }

    .article-tags {
        padding: 12px !important;
        margin-top: 20px !important;
    }

    .article-actions {
        padding: 15px 0 !important;
    }

    .article-nav {
        margin-top: 15px !important;
        padding-top: 15px !important;
    }

    .nav-prev,
    .nav-next {
        max-width: 45%;
    }

    .nav-title {
        font-size: 0.85rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* 侧边栏Widget - 美化版 */
    .sidebar-widget {
        padding: 0 !important;
        margin-bottom: 15px !important;
        border-radius: 15px !important;
        overflow: hidden;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    }

    .widget-title {
        font-size: 1rem;
        font-weight: 700;
        padding: 15px 20px !important;
        margin-bottom: 0 !important;
        background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
        border-bottom: 2px solid #f0f0f0;
        color: #1e3a5f;
    }

    .widget-title i {
        color: #e74c3c;
    }

    .sidebar-widget .list-unstyled {
        padding: 15px;
        margin: 0;
    }

    .article-item {
        padding: 10px 15px !important;
        background: #f8fafc;
        border-radius: 10px;
        margin-bottom: 8px;
        transition: all 0.3s ease;
    }

    .article-item:last-child {
        margin-bottom: 0;
    }

    .article-item:hover {
        background: linear-gradient(135deg, #e8f4fc 0%, #d4ecfb 100%);
        transform: translateX(5px);
    }

    .article-item a {
        color: #555;
    }

    .article-item:hover a {
        color: #1e5292;
    }

    .article-item span {
        font-size: 0.85rem;
        font-weight: 500;
    }

    .article-item i {
        color: #1e5292;
        font-size: 0.7rem;
    }

    /* 产品推荐列表 */
    .sidebar-widget .product-list {
        padding: 15px;
    }

    .sidebar-widget .product-item {
        padding: 12px;
        background: #f8fafc;
        border-radius: 12px;
        margin-bottom: 10px;
        border: 1px solid #eee;
        transition: all 0.3s ease;
    }

    .sidebar-widget .product-item:hover {
        border-color: #1e5292;
        box-shadow: 0 3px 15px rgba(30, 82, 146, 0.1);
    }

    .product-thumb {
        border-radius: 8px;
        overflow: hidden;
    }

    .product-thumb img {
        width: 55px;
        height: 55px;
        object-fit: cover;
    }

    .product-info h6 {
        font-size: 0.85rem;
        color: #333;
        font-weight: 600;
    }

    /* ===== 单页/关于我们/解决方案详情 ===== */
    .detail-overview {
        padding: 25px 0 !important;
    }

    .overview-image img {
        border-radius: 12px;
        width: 100%;
    }

    .overview-content {
        margin-top: 20px;
    }

    .section-title-left {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }

    .overview-content p {
        font-size: 0.9rem;
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .overview-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        margin-top: 20px;
    }

    .stat-box {
        text-align: center;
        padding: 12px 8px;
        background: linear-gradient(135deg, #f8fafc 0%, #eef5fc 100%);
        border-radius: 10px;
    }

    .stat-num {
        font-size: 1.1rem;
        font-weight: 700;
        color: #0077b6;
        display: block;
    }

    .stat-text {
        font-size: 0.7rem;
        color: #666;
    }

    /* 功能卡片 */
    .detail-features {
        padding: 25px 0 !important;
    }

    .feature-card {
        padding: 20px 15px;
        margin-bottom: 15px;
        border-radius: 12px;
        text-align: center;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto 12px;
    }

    .feature-icon i {
        font-size: 1.3rem;
    }

    .feature-card h4 {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .feature-card p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    /* 系统架构 */
    .detail-architecture {
        padding: 25px 0 !important;
    }

    .arch-layer {
        margin-bottom: 12px;
        border-radius: 10px;
        overflow: hidden;
    }

    .arch-layer-title {
        padding: 10px 15px;
        font-size: 0.9rem;
    }

    .arch-layer-content {
        padding: 12px;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .arch-layer-content span {
        font-size: 0.75rem;
        padding: 5px 10px;
        border-radius: 15px;
    }

    /* 应用场景 */
    .detail-scenarios {
        padding: 25px 0 !important;
    }

    .scenario-card {
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 15px;
    }

    .scenario-card img {
        height: 140px;
        object-fit: cover;
    }

    .scenario-info {
        padding: 12px;
    }

    .scenario-info h5 {
        font-size: 0.95rem;
    }

    /* 案例卡片 */
    .detail-cases {
        padding: 25px 0 !important;
    }

    .case-card {
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 15px;
    }

    .case-image img {
        height: 160px;
        object-fit: cover;
    }

    .case-content {
        padding: 15px;
    }

    .case-content h4 {
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .case-content p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .case-result {
        margin-top: 12px;
    }

    .case-result span {
        display: block;
        font-size: 0.8rem;
        margin-bottom: 5px;
    }

    /* CTA区块 */
    .cta-section {
        padding: 30px 0 !important;
    }

    .cta-content h2 {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }

    .cta-content p {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }

    .cta-btns {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .cta-btns .btn {
        width: 100%;
        padding: 12px;
        border-radius: 25px;
    }

    /* ===== 分页优化 ===== */
    .products-pagination {
        margin-top: 20px;
    }

    .products-pagination .pagination {
        gap: 5px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .products-pagination .pagination li a,
    .products-pagination .pagination li span {
        min-width: 36px;
        height: 36px;
        line-height: 36px;
        font-size: 0.85rem;
        border-radius: 8px;
    }

    /* ===== 招聘页面优化 ===== */
    .recruit-list {
        gap: 12px;
    }

    .recruit-item {
        padding: 15px;
        border-radius: 12px;
    }

    .recruit-header {
        flex-direction: column;
        gap: 12px;
    }

    .recruit-title {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }

    .recruit-tags {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }

    .recruit-tags span {
        font-size: 0.8rem;
        background: #f5f7fa;
        padding: 4px 10px;
        border-radius: 15px;
    }

    .recruit-action .btn-detail {
        padding: 8px 20px;
        font-size: 0.85rem;
        width: 100%;
        text-align: center;
    }

    .recruit-desc {
        font-size: 0.85rem;
        line-height: 1.6;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .recruit-footer {
        padding-top: 12px;
    }

    .recruit-date {
        font-size: 0.75rem;
    }

    /* 招聘详情页 */
    .job-detail-card {
        padding: 20px;
        border-radius: 15px;
    }

    .job-header {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }

    .job-title {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }

    .job-meta {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .job-meta span {
        font-size: 0.85rem;
    }

    .job-actions .btn {
        width: 100%;
        padding: 12px;
        border-radius: 25px;
    }

    .job-content h3 {
        font-size: 1.1rem;
        margin-top: 20px;
        margin-bottom: 12px;
    }

    .contact-info {
        margin-top: 25px;
        padding: 15px;
    }

    .contact-info h3 {
        font-size: 1rem;
    }

    /* 申请模态框 */
    .apply-modal-content {
        padding: 20px;
        margin: 10px;
        max-height: 85vh;
    }

    .apply-modal-title {
        font-size: 1.2rem;
        margin-bottom: 20px;
        padding-bottom: 12px;
    }

    .apply-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .apply-form .form-group {
        margin-bottom: 15px;
    }

    .apply-form label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .apply-form .form-control {
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    .file-label {
        padding: 20px;
    }

    .file-label i {
        font-size: 1.8rem;
    }

    .file-text {
        font-size: 0.8rem;
    }

    .form-actions {
        flex-direction: column;
        margin-top: 20px;
        padding-top: 15px;
        gap: 10px;
    }

    .form-actions .btn {
        width: 100%;
        padding: 12px;
    }

    /* ===== 下载中心优化 ===== */
    .download-list {
        gap: 10px;
    }

    .download-item {
        padding: 15px;
        border-radius: 12px;
        flex-direction: column;
        gap: 12px;
    }

    .download-info {
        width: 100%;
    }

    .download-info h5 {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }

    .download-meta {
        flex-wrap: wrap;
        gap: 10px;
    }

    .download-meta span {
        font-size: 0.75rem;
    }

    .btn-download {
        width: 100%;
        height: auto;
        padding: 10px;
        flex-direction: row;
        gap: 8px;
    }

    /* ===== 证书/荣誉页面优化 ===== */
    .cert-grid.row {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
        width: calc(100% - 20px) !important;
        margin: 0 auto !important;
        padding: 0 !important;
    }

    .cert-grid.row > div {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        flex: unset !important;
    }

    .cert-card {
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    }

    .cert-card-img {
        padding: 8px;
        height: 100px;
    }

    .cert-card-body {
        padding: 8px;
    }

    .cert-card-body h5 {
        font-size: 0.7rem;
        line-height: 1.3;
        margin: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    /* 证书模态框 */
    .cert-modal {
        padding: 15px;
    }

    .cert-modal-content {
        max-width: 95%;
    }

    .cert-modal-close {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
    }

    /* ===== 视频中心优化 ===== */
    .video-grid {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }

    .video-card {
        border-radius: 12px;
    }

    .video-thumb {
        height: 180px;
    }

    .video-play-btn {
        width: 50px;
        height: 50px;
    }

    .video-info {
        padding: 12px;
    }

    .video-info h5 {
        font-size: 0.95rem;
    }

    .video-meta span {
        font-size: 0.75rem;
    }

    /* ===== 留言/联系页面优化 ===== */
    .contact-page .contact-info-box {
        padding: 20px;
        border-radius: 12px;
        margin-bottom: 20px;
    }

    .contact-info-item {
        padding: 12px 0;
    }

    .contact-info-item i {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .contact-info-item h5 {
        font-size: 0.9rem;
    }

    .contact-info-item p {
        font-size: 0.85rem;
    }

    .contact-form-box {
        padding: 20px;
        border-radius: 12px;
    }

    .contact-form-box h3 {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }

    /* ===== 搜索结果页优化 ===== */
    .search-header {
        padding: 15px;
        margin-bottom: 20px;
    }

    .search-header h3 {
        font-size: 1.1rem;
    }

    .search-result-item {
        padding: 15px;
        margin-bottom: 12px;
        border-radius: 12px;
    }

    .search-result-item h4 {
        font-size: 1rem;
    }

    .search-result-item p {
        font-size: 0.85rem;
    }

    /* 整体布局 */
    .section-padding {
        padding: 30px 0;
    }

    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    /* ===== 导航菜单 - 精致紧凑版 ===== */
    .navbar {
        padding: 8px 0;
    }

    .navbar-brand img {
        height: 35px;
    }

    .navbar-toggler {
        padding: 6px 10px;
        border: 1px solid #ddd !important;
        border-radius: 6px;
        background: transparent;
    }

    .navbar-toggler:focus {
        box-shadow: none;
        border-color: #1e5292 !important;
    }

    .navbar-toggler-icon {
        width: 1.1em;
        height: 1.1em;
    }

    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 10px;
        right: 10px;
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        padding: 8px 0;
        margin-top: 8px;
        border: 1px solid #eee;
    }

    .navbar-nav {
        gap: 0;
    }

    .nav-item {
        border-bottom: none;
    }

    .nav-link {
        padding: 12px 20px !important;
        font-size: 0.9rem !important;
        font-weight: 500 !important;
        color: #555 !important;
        border-radius: 0;
        transition: all 0.2s ease;
        display: block;
        text-align: center;
        border-bottom: 1px solid #f5f5f5;
    }

    .nav-item:last-child .nav-link {
        border-bottom: none;
    }

    .nav-link:hover {
        background: #f8fafc !important;
        color: #1e5292 !important;
    }

    .nav-link.active {
        background: #1e5292 !important;
        color: #fff !important;
    }

    .nav-link::after {
        display: none;
    }

    /* 下拉菜单样式 */
    .dropdown-menu {
        position: static !important;
        transform: none !important;
        box-shadow: none;
        border: none;
        background: #f8fafc;
        border-radius: 0;
        margin: 0;
        padding: 5px 15px;
    }

    .dropdown-item {
        padding: 10px 15px;
        border-radius: 6px;
        font-size: 0.85rem;
        color: #666;
        text-align: center;
    }

    .dropdown-item:hover {
        background: #e8f4fc;
        color: #1e5292;
    }

    /* Banner */
    .page-banner,
    .inner-banner {
        min-height: 160px;
        margin-top: 55px;
    }

    .banner-content h1 {
        font-size: 1.25rem;
    }

    .banner-content p {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
    }

    .breadcrumb {
        font-size: 0.8rem;
    }

    .breadcrumb-item+.breadcrumb-item::before {
        padding: 0 5px;
    }

    /* 标题 */
    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    /* 产品网格 - 单列 */
    .products-grid-page {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        width: calc(100% - 30px) !important;
        max-width: calc(100% - 30px) !important;
        margin: 0 auto !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    .product-card-page {
        display: flex;
        flex-direction: row;
        align-items: center;
    }

    .product-card-page .product-img {
        width: 100px;
        height: 100px;
        flex-shrink: 0;
    }

    .product-card-page .product-info {
        flex: 1;
        padding: 10px 12px;
    }

    /* 分类标题 */
    .category-title {
        font-size: 1.15rem;
        padding-left: 12px;
    }

    .category-title::before {
        width: 3px;
    }

    /* 证书卡片 */
    .cert-card-img {
        padding: 12px;
    }

    .cert-card-body {
        padding: 12px;
    }

    .cert-card-body h5 {
        font-size: 0.85rem;
    }

    /* 模态框 */
    .cert-modal {
        padding: 20px 10px;
    }

    .cert-modal-close {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }

    .nav-btn {
        width: 36px;
        height: 36px;
    }

    /* 职位卡片 */
    .job-card {
        padding: 20px;
    }

    .job-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .job-title {
        font-size: 1.1rem;
    }

    .job-tags {
        flex-wrap: wrap;
    }

    .job-tag {
        font-size: 0.8rem;
        padding: 4px 10px;
    }

    /* 联系我们区块 - 紧凑布局 */
    .contact-section {
        padding: 30px 0 !important;
    }

    .contact-section h2 {
        font-size: 1.4rem !important;
        margin-bottom: 12px !important;
    }

    .contact-section>.container>.row>.col-lg-5>p {
        font-size: 0.85rem;
        margin-bottom: 15px !important;
        line-height: 1.5;
    }

    .contact-info {
        margin-top: 0;
    }

    .contact-item {
        padding: 8px 0;
        gap: 12px;
    }

    .contact-item i {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        border-radius: 10px;
    }

    .contact-item h6 {
        font-size: 0.9rem;
        margin-bottom: 2px;
    }

    .contact-item p {
        font-size: 0.8rem;
        line-height: 1.4;
    }

    .social-links {
        margin-top: 15px !important;
        gap: 10px;
    }

    .social-links a {
        width: 38px;
        height: 38px;
        font-size: 1rem;
        border-radius: 10px;
    }

    /* 联系表单 - 隐藏或简化 */
    .contact-form-wrapper {
        padding: 20px;
        border-radius: 15px;
        margin-top: 20px;
    }

    .contact-form .form-control,
    .contact-form .form-select {
        padding: 10px 14px;
        font-size: 0.9rem;
        border-radius: 8px;
    }

    .contact-form .mb-3 {
        margin-bottom: 10px !important;
    }

    .contact-form textarea.form-control {
        min-height: 80px;
    }

    .contact-form .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    /* Footer */
    .footer {
        padding: 20px 0 15px;
    }

    .footer .row>[class*="col-"] {
        padding-bottom: 12px;
        margin-bottom: 10px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer .row>[class*="col-"]:last-child {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .footer-brand {
        text-align: center;
        padding-bottom: 12px !important;
    }

    .footer-brand h4 {
        font-size: 1.15rem;
        margin-bottom: 6px;
    }

    .footer-brand p {
        font-size: 0.8rem;
        line-height: 1.5;
        max-width: 260px;
        margin: 0 auto;
        opacity: 0.8;
    }

    .footer h6 {
        margin-top: 0;
        margin-bottom: 10px;
        font-size: 0.9rem;
        font-weight: 600;
        color: #fff;
    }

    .footer h6::after {
        display: none;
    }

    .footer-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 2px 15px;
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-links li {
        margin: 0;
    }

    .footer-links li a {
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.65);
        text-decoration: none;
        display: block;
        padding: 4px 0;
        transition: color 0.2s ease;
    }

    .footer-links li a:hover {
        color: #4da6ff;
    }

    .footer-links li a::before {
        content: '•';
        margin-right: 5px;
        color: rgba(77, 166, 255, 0.5);
        font-size: 0.6rem;
    }

    .footer-qrcode {
        text-align: center;
        padding-top: 5px;
    }

    .footer-qrcode .qrcode-box {
        display: inline-block;
    }

    .footer-qrcode .qrcode-box img {
        width: 70px;
        height: 70px;
        border-radius: 6px;
        border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .footer-qrcode .qrcode-box span {
        display: block;
        margin-top: 5px;
        font-size: 0.7rem;
        color: rgba(255, 255, 255, 0.5);
    }

    .footer-divider {
        margin: 10px 0;
        border-color: rgba(255, 255, 255, 0.08);
    }

    .footer-bottom {
        padding-top: 8px;
    }

    .footer-bottom p {
        font-size: 0.7rem;
        color: rgba(255, 255, 255, 0.45);
        margin-bottom: 5px;
    }

    .footer-bottom a {
        font-size: 0.7rem;
        color: rgba(255, 255, 255, 0.45);
        margin: 0 6px;
    }

    .footer-bottom a:hover {
        color: #4da6ff;
    }

    /* 分页 */
    .products-pagination .pagination {
        gap: 6px;
    }

    .products-pagination .pagination>li>a,
    .products-pagination .pagination>li>span {
        min-width: 34px;
        height: 34px;
        line-height: 34px;
        padding: 0 10px;
        font-size: 0.85rem;
    }
}

/* ===== 超小屏幕 (360px以下) ===== */
@media (max-width: 360px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    .navbar-brand img {
        height: 35px;
    }

    .banner-content h1 {
        font-size: 1.15rem;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .products-grid-page {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        width: calc(100% - 30px) !important;
        max-width: calc(100% - 30px) !important;
        margin: 0 auto !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    .product-card-page .product-img {
        width: 85px;
        height: 85px;
    }

    .product-card-page .product-info h5 {
        font-size: 0.85rem;
    }
}

/* ===== 触摸设备优化 ===== */
@media (hover: none) and (pointer: coarse) {

    /* 增大点击区域 */
    .nav-link {
        min-height: 48px;
    }

    .btn {
        min-height: 48px;
    }

    .footer-links li a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* 禁用悬停效果 */
    .product-card-page:hover,
    .cert-card:hover,
    .news-card:hover {
        transform: none;
    }

    /* 触摸反馈 */
    .product-card-page:active,
    .cert-card:active,
    .news-card:active,
    .btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
}

/* ===== 横屏手机优化 ===== */
@media (max-height: 500px) and (orientation: landscape) {

    .page-banner,
    .inner-banner {
        min-height: 150px;
    }

    .banner-content {
        padding: 20px 0;
    }

    .section-padding {
        padding: 40px 0;
    }

    .navbar-collapse {
        max-height: 60vh;
    }

    /* ===== Pintuer兼容适配 (Legacy Pages) ===== */
    /* 强制布局全宽 */
    .layout,
    .container,
    .line {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin: 0 !important;
        box-sizing: border-box;
    }

    .container .line {
        padding: 0 10px !important;
    }

    /* 强制栅格单列 */
    .x1,
    .x2,
    .x3,
    .x4,
    .x5,
    .x6,
    .x7,
    .x8,
    .x9,
    .x10,
    .x11,
    .x12,
    .xl12,
    .xs12,
    .xm12,
    .bm12 {
        width: 100% !important;
        float: none !important;
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    /* 搜索/标签页列表美化 - 卡片式 */
    .normal-list {
        padding: 10px 0 !important;
    }

    .normal-list li {
        background: #fff;
        border-radius: 8px;
        padding: 15px !important;
        margin-bottom: 12px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        border: 1px solid #f0f0f0;
        display: flex;
        flex-direction: column;
        gap: 5px;
        list-style: none !important;
    }

    .normal-list li a {
        font-size: 0.95rem;
        color: #333;
        font-weight: 500;
        line-height: 1.4;
        display: block;
    }

    .normal-list li span {
        font-size: 0.75rem;
        color: #999;
        align-self: flex-start;
    }

    .normal-list li.dot {
        background-image: none !important;
        /* 移除原来的点 */
        padding-left: 15px !important;
    }

    /* 顶部面包屑/标题区域优化 */
    .bg-gray {
        background: #f8fafc !important;
        padding-top: 10px !important;
    }

    .padding-big-top,
    .padding-big-bottom {
        padding: 15px 0 !important;
        text-align: center !important;
    }

    .text-middle {
        font-size: 0.9rem !important;
        line-height: 1.5;
    }

    .nav-bread {
        display: none;
        /* 手机端隐藏面包屑，节省空间 */
    }

    /* 留言板/表单优化 */
    .content h1 {
        font-size: 1.2rem !important;
        text-align: center;
        margin: 20px 0 15px !important;
    }

    .post .md_block {
        padding: 15px !important;
        font-size: 0.85rem !important;
        line-height: 1.6;
    }

    /* 分页优化 */
    .pagination {
        display: flex !important;
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
        margin-top: 20px !important;
    }

    .pagination li a,
    .pagination li span {
        padding: 6px 12px !important;
        font-size: 0.85rem !important;
        border-radius: 4px !important;
        border: 1px solid #eee !important;
    }

    .pagination li.active span {
        background: #1e5292 !important;
        border-color: #1e5292 !important;
        color: #fff !important;
    }

    /* 图片列表页优化 (如lists_article_img.htm) */
    .honor-section .container {
        padding: 0 10px !important;
    }

    .honor-section .row {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }

    .honor-section .row > div {
        padding: 0 !important;
    }

    .honor-card {
        margin-bottom: 0 !important;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08) !important;
        border-radius: 8px;
        overflow: hidden;
    }

    .honor-card img {
        height: 120px !important;
        width: 100% !important;
        object-fit: cover;
    }

    .honor-card-body h5 {
        font-size: 0.8rem !important;
        padding: 8px !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* 方案概述页优化 (lists_images.htm) */
    .detail-overview .row {
        display: flex !important;
        flex-direction: column;
    }

    .overview-image {
        margin-bottom: 15px !important;
    }

    .overview-content h2.section-title-left {
        text-align: center !important;
        font-size: 1.2rem !important;
        margin-bottom: 15px !important;
    }

    .overview-content p {
        font-size: 0.85rem !important;
        text-align: justify;
    }

    .overview-stats {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    /* 招聘页面优化 */
    .recruit-item {
        padding: 15px !important;
        margin-bottom: 15px !important;
        border-radius: 8px !important;
        background: #fff !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
    }

    .recruit-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
    }

    .recruit-title {
        font-size: 1rem !important;
        margin-bottom: 5px !important;
    }

    .recruit-tags {
        flex-wrap: wrap !important;
        gap: 8px !important;
    }

    .recruit-tags span {
        font-size: 0.75rem !important;
        padding: 3px 8px !important;
    }

    .recruit-action {
        width: 100% !important;
        margin-top: 10px !important;
    }

    .recruit-action .btn-detail {
        width: 100% !important;
        display: block !important;
        text-align: center !important;
        padding: 8px 0 !important;
    }

    /* 旧版招聘列表优化 */
    .job-card {
        padding: 15px !important;
        margin-bottom: 15px !important;
        border-radius: 8px !important;
    }

    .job-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        margin-bottom: 10px !important;
    }

    .job-title {
        font-size: 1rem !important;
        margin-bottom: 5px !important;
    }

    .job-salary {
        font-size: 0.9rem !important;
    }

    .vision-card {
        margin-top: 20px !important;
        padding: 20px !important;
        border-radius: 8px !important;
        text-align: center !important;
    }
}

/* ===== 高分辨率屏幕 ===== */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {

    /* 确保细线在高分屏上清晰 */
    .category-title::before,
    .section-title::after {
        transform: translateY(-50%) scaleY(0.5);
    }
}

/* ===== 打印优化 ===== */
@media print {

    .float-sidebar,
    #backToTop,
    .navbar,
    .footer {
        display: none !important;
    }

    .page-banner,
    .inner-banner {
        min-height: auto;
        background: none !important;
        color: #000 !important;
    }

    .banner-content h1,
    .banner-content p {
        color: #000 !important;
    }

    .section-padding {
        padding: 20px 0;
    }
}

/* ===== iOS安全区域适配 ===== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .footer {
        padding-bottom: calc(30px + env(safe-area-inset-bottom));
    }

    .float-sidebar {
        bottom: calc(100px + env(safe-area-inset-bottom));
    }
}

/* ===== 暗色模式支持（可选） ===== */
@media (prefers-color-scheme: dark) {
    /* 如需支持暗色模式，在此添加样式 */
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}