/* 自定义CSS变量 */
        :root {
            --primary-color: #1a56a7;
            --secondary-color: #2c3e50;
            --accent-color: #e74c3c;
            --light-gray: #f8f9fa;
            --dark-gray: #343a40;
            --text-color: #333;
            --text-light: #6c757d;
            --transition: all 0.3s ease;
        }
        
        /* 大屏幕容器优化 */
        @media (min-width: 1400px) {
            .container {
                max-width: 1600px;
            }
        }
        
        @media (min-width: 1200px) and (max-width: 1399px) {
            .container {
                max-width: 1320px;
            }
        }
        
        /* 全局样式重写 */
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-color);
            line-height: 1.6;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .btn-primary:hover {
            background-color: #15407a;
            border-color: #15407a;
            transform: translateY(-2px);
        }
        
        .text-primary {
            color: var(--primary-color) !important;
        }
        
        .bg-primary {
            background-color: var(--primary-color) !important;
        }
        
        /* 主头部样式 */
        .main-header {
            padding: 25px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        /* 移动端header固定在顶部 */
        @media (max-width: 767px) {
            .main-header {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                width: 100%;
                padding: 15px 0;
                background-color: #fff;
                z-index: 1000;
            }
            
            /* 给body添加padding避免内容被header遮挡 */
            body {
                padding-top: 100px;
            }
        }
        
        .header-layout {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        
        .header-left {
            width: 200px;
            flex-shrink: 0;
        }
        
        .header-center {
            flex: 1;
            display: flex;
            justify-content: center;
            padding: 0 20px;
        }
        
        .header-right {
            width: 200px;
            flex-shrink: 0;
            text-align: right;
        }
        
        /* 移动端头部图标 */
        .mobile-header-icons {
            display: none;
            align-items: center;
            gap: 15px;
        }
        
        .mobile-icon-btn {
            background: none;
            border: none;
            color: var(--primary-color);
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            border-radius: 4px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
        }
        
        .mobile-icon-btn i {
            font-size: 24px;
            line-height: 1;
        }
        
        /* 调整搜索图标大小，让它和导航图标视觉上一致 */
        .mobile-icon-btn .bi-search {
            font-size: 20px;
            font-weight: 400;
        }
        
        .mobile-icon-btn:hover {
            background-color: rgba(26, 86, 167, 0.1);
        }
        
        /* 搜索弹窗样式 */
        .search-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 9999;
            display: none;
            align-items: center;
            justify-content: center;
        }
        
        .search-popup {
            background: white;
            padding: 40px;
            border-radius: 12px;
            width: 90%;
            max-width: 600px;
            position: relative;
        }
        
        .search-popup .close-btn {
            position: absolute;
            top: 15px;
            right: 20px;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #999;
        }
        
        .search-popup .close-btn:hover {
            color: #333;
        }
        
        .search-popup h3 {
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        
        .search-popup .form-control {
            height: 50px;
            font-size: 16px;
            border-radius: 8px;
        }
        
        .search-popup .btn {
            height: 50px;
            padding: 0 30px;
            border-radius: 8px;
        }
        
        .logo {
            font-size: 32px;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
            display: block;
            width: 100%;
        }
        
        .logo:hover {
            color: var(--primary-color);
        }
        
        .logo img {
            max-height: 70px;
            max-width: 100%;
            object-fit: contain;
        }
        
        .search-form {
            max-width: 500px;
            width: 500px;
        }
        
        .search-form .form-control {
            border-radius: 4px 0 0 4px;
            height: 50px;
            font-size: 16px;
        }
        
        .search-form .btn {
            border-radius: 0 4px 4px 0;
            height: 50px;
            padding: 0 20px;
        }
        
        .contact-phone {
            font-size: 18px;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            white-space: nowrap;
        }
        
        .contact-phone:hover {
            color: var(--accent-color);
        }
        
        .contact-phone i {
            margin-right: 6px;
            font-size: 20px;
            flex-shrink: 0;
        }
        
        .phone-number {
            font-size: 18px;
        }
        
        /* 导航菜单样式 */
        .main-nav {
            background-color: var(--primary-color);
            padding: 0;
            overflow: visible !important;
        }
        
        .main-nav .container {
            padding: 0;
            margin: 0 auto;
            overflow: visible !important;
        }
        
        .main-nav .navbar-collapse {
            padding: 0;
            margin: 0;
            overflow: visible !important;
        }
        
        /* 移动端导航菜单 */
        .mobile-nav {
            background-color: var(--primary-color);
            display: none;
        }
        
        /* 移动端导航菜单固定定位 */
        @media (max-width: 767px) {
            .mobile-nav {
                position: fixed;
                top: 100px;
                left: 0;
                right: 0;
                width: 100%;
                max-height: calc(100vh - 80px);
                overflow-y: auto;
                z-index: 999;
            }
        }
        
        .mobile-nav.show {
            display: block;
        }
        
        .mobile-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .mobile-nav-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .mobile-nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0;
        }
        
        .mobile-nav-link > a {
            flex: 1;
            display: block;
            padding: 15px 0;
            color: white;
            text-decoration: none;
            font-size: 16px;
            transition: var(--transition);
        }
        
        .mobile-nav-link > a:hover {
            color: white;
        }
        
        .mobile-nav-toggle {
            background: none;
            border: none;
            color: white;
            font-size: 16px;
            padding: 15px 10px;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .mobile-nav-toggle:hover {
            color: rgba(255, 255, 255, 0.8);
        }
        
        .mobile-nav-toggle.active {
            transform: rotate(180deg);
        }
        
        .mobile-sub-nav {
            list-style: none;
            padding: 0;
            margin: 0;
            background-color: rgba(0, 0, 0, 0.2);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .mobile-sub-nav.show {
            max-height: 500px;
        }
        
        .mobile-sub-nav li a {
            display: block;
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }
        
        .mobile-sub-nav li a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
        }
        
        /* 简单导航项样式 */
        .mobile-nav-list > li:not(.mobile-nav-item) > a {
            display: block;
            padding: 15px 0;
            color: white;
            text-decoration: none;
            font-size: 16px;
            transition: var(--transition);
        }
        
        .mobile-nav-list > li:not(.mobile-nav-item) > a:hover {
            color: white;
        }
        
        /* 移动端隐藏PC导航条 */
        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }
            
            .mobile-nav {
                display: block;
            }
        }
        
        /* PC端隐藏移动端导航 */
        @media (min-width: 992px) {
            .mobile-nav {
                display: none !important;
            }
        }
        
        .navbar-nav .nav-link {
            color: white !important;
            padding: 15px 25px !important;
            font-size: 16px;
            transition: var(--transition);
            margin: 0;
            border-radius: 0;
            display: block;
            height: 100%;
        }
        
        .navbar-nav .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            margin: 0;
        }
        
        .navbar-nav .nav-item {
            margin: 0;
            padding: 0;
        }
        
        /* 防止导航条出现滚动条 */
        .main-nav {
            overflow: visible !important;
        }
        
        .navbar-nav {
            overflow: visible !important;
            margin: 0;
            padding: 0;
        }
        
        .navbar-collapse {
            overflow: visible !important;
        }
        
        /* Bootstrap导航条重置 */
        .navbar {
            padding: 0 !important;
            overflow: visible !important;
        }
        
        .navbar > .container {
            padding-left: 15px !important;
            padding-right: 15px !important;
            overflow: visible !important;
        }
        
        .navbar-expand-lg {
            overflow: visible !important;
        }
        
        .navbar-expand-lg .navbar-nav {
            flex-direction: row;
            margin: 0;
            padding: 0;
            overflow: visible !important;
        }
        
        .navbar-expand-lg .navbar-nav .nav-link {
            padding-left: 25px !important;
            padding-right: 25px !important;
            padding-top: 15px !important;
            padding-bottom: 15px !important;
        }
        
        /* 下拉菜单样式美化 */
        .navbar-nav .dropdown:hover .dropdown-menu {
            display: block !important;
            margin-top: 0;
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .dropdown-menu {
            background-color: white;
            border: none;
            border-radius: 0 0px 8px 8px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            padding: 0;
            margin-top: 0;
            min-width: 200px;
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(-10px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1050;
        }
            transform: translateX(-50%);
            z-index: 1000;
            overflow: hidden;
        }
        
        /* 右侧菜单项的下拉菜单向左对齐 */
        .navbar-nav .nav-item:nth-last-child(-n+3) .dropdown-menu {
            left: auto;
            right: 0;
            transform: none;
        }
        
        /* 左侧菜单项的下拉菜单向右对齐 */
        .navbar-nav .nav-item:nth-child(-n+2) .dropdown-menu {
            left: 0;
            transform: none;
        }
        
        .dropdown-item {
            color: var(--text-color);
            padding: 15px 20px;
            font-size: 14px;
            transition: var(--transition);
            border: none;
            margin: 0;
            display: block;
            width: 100%;
        }
        
        .dropdown-item:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        .dropdown-item:focus {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* 确保下拉菜单在悬停时保持显示 */
        .navbar-nav .dropdown {
            position: relative;
        }
        
        .navbar-nav .dropdown .dropdown-menu {
            display: none;
        }
        
        .navbar-nav .dropdown:hover .dropdown-menu,
        .navbar-nav .dropdown .dropdown-menu:hover {
            display: block !important;
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        
        .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.3);
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* 轮播图样式 - 使用 Swiper */
        .hero-swiper {
            width: 100%;
            height: 600px;
            overflow: hidden;
            position: relative;
        }
        
        /* 防止加载时出现滚动条 */
        .hero-swiper .swiper-wrapper {
            height: 600px;
        }
        
        .hero-swiper .swiper-slide {
            position: relative;
            width: 100%;
            height: 600px;
            overflow: hidden;
        }
        
        .hero-swiper .slide-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            max-height: 600px;
        }
        
        .hero-swiper .slide-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                to right,
                rgba(0, 0, 0, 0.6) 0%,
                rgba(0, 0, 0, 0.3) 50%,
                rgba(0, 0, 0, 0.1) 100%
            );
            z-index: 1;
        }
        
        .hero-swiper .slide-content {
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            transform: translateY(-50%);
            z-index: 2;
            color: white;
            overflow: hidden;
        }
        
        .hero-swiper .slide-content .container {
            position: relative;
            display: flex;
            justify-content: flex-start;
        }
        
        .hero-swiper .slide-content-inner {
            max-width: 50%;
            overflow: hidden;
        }
        
        .hero-swiper .slide-subtitle {
            font-size: 18px;
            font-weight: 400;
            letter-spacing: 2px;
            margin-bottom: 15px;
            opacity: 0;
            transform: translateY(30px);
        }
        
        /* 第一张幻灯片立即显示 */
        .hero-swiper .swiper-slide:first-child .slide-subtitle {
            opacity: 1;
            transform: translateY(0);
        }
        
        .hero-swiper .swiper-slide-active .slide-subtitle {
            animation: slideUp 0.6s ease forwards 0.1s;
        }
        
        .hero-swiper .slide-title {
            font-size: 56px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            opacity: 0;
            transform: translateY(30px);
        }
        
        /* 第一张幻灯片立即显示 */
        .hero-swiper .swiper-slide:first-child .slide-title {
            opacity: 1;
            transform: translateY(0);
        }
        
        .hero-swiper .swiper-slide-active .slide-title {
            animation: slideUp 0.6s ease forwards 0.2s;
        }
        
        .hero-swiper .slide-description {
            font-size: 18px;
            line-height: 1.6;
            margin-bottom: 30px;
            opacity: 0;
            transform: translateY(30px);
        }
        
        /* 第一张幻灯片立即显示 */
        .hero-swiper .swiper-slide:first-child .slide-description {
            opacity: 1;
            transform: translateY(0);
        }
        
        .hero-swiper .swiper-slide-active .slide-description {
            animation: slideUp 0.6s ease forwards 0.3s;
        }
        
        .hero-swiper .slide-button {
            display: inline-block;
            padding: 15px 40px;
            background-color: var(--primary-color);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(30px);
        }
        
        /* 第一张幻灯片立即显示 */
        .hero-swiper .swiper-slide:first-child .slide-button {
            opacity: 1;
            transform: translateY(0);
        }
        
        .hero-swiper .swiper-slide-active .slide-button {
            animation: slideUp 0.6s ease forwards 0.4s;
        }
        
        .hero-swiper .slide-button:hover {
            background-color: #15407a;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(26, 86, 167, 0.4);
        }
        
        @keyframes slideUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .hero-swiper .swiper-button-next,
        .hero-swiper .swiper-button-prev {
            width: auto;
            height: auto;
            background: none;
            margin-top: 0;
            color: rgba(255, 255, 255, 0.6);
            font-size: 40px;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        
        .hero-swiper .swiper-button-prev {
            left: 60px;
        }
        
        .hero-swiper .swiper-button-next {
            right: 60px;
        }
        
        /* 大屏幕下的轮播图按钮位置优化 */
        @media (min-width: 1400px) {
            .hero-swiper .swiper-button-prev {
            }
            
            .hero-swiper .swiper-button-next {
            }
        }
        
        .hero-swiper .swiper-button-next:after,
        .hero-swiper .swiper-button-prev:after {
            font-size: 40px;
            color: rgba(255, 255, 255, 0.6);
            font-weight: bold;
        }
        
        .hero-swiper .swiper-button-next:hover,
        .hero-swiper .swiper-button-prev:hover {
            color: rgba(255, 255, 255, 1);
            transform: scale(1.1);
        }
        
        .hero-swiper .swiper-button-next:hover:after,
        .hero-swiper .swiper-button-prev:hover:after {
            color: rgba(255, 255, 255, 1);
        }
        
        /* 分页器容器立即显示 */
        .hero-swiper .swiper-pagination {
            position: absolute;
            bottom: 20px;
            left: 0;
            right: 0;
            text-align: center;
            z-index: 10;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
        }
        
        .hero-swiper .swiper-pagination-bullet {
            width: 12px;
            height: 12px;
            background-color: white;
            opacity: 0.5;
            transition: all 0.3s ease;
            border-radius: 50%;
            cursor: pointer;
        }
        
        .hero-swiper .swiper-pagination-bullet-active {
            width: 40px;
            border-radius: 6px;
            background-color: #fff;
            opacity: 1;
        }
        
        /* 区块标题样式 */
        .section-title {
            margin-bottom: 30px;
            font-weight: 600;
            text-align: left;
        }
        
        .section-subtitle {
            font-size: 16px;
            color: var(--text-light);
            margin-top: 10px;
        }
        
        /* 产品分类菜单样式 */
        .product-nav-tabs .nav-pills .nav-link {
            background: none;
            border: 1px solid #e9ecef;
            color: var(--text-color);
            padding: 8px 16px;
            margin: 0 4px;
            border-radius: 22px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        
        .product-nav-tabs .nav-pills .nav-link:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        
        .product-nav-tabs .nav-pills .nav-link.active {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
        }
        
        /* 大屏幕下的产品按钮优化 */
        @media (min-width: 1400px) {
            .product-nav-tabs .nav-pills .nav-link {
                padding: 9px 16px;
                margin: 0 5px;
                font-size: 15px;
            }
        }
        
        /* 响应式调整 */
        @media (min-width: 1200px) and (max-width: 1399px) {
            .product-nav-tabs .nav-pills .nav-link {
                padding: 8px 15px;
                margin: 0 3px;
                font-size: 14px;
            }
        }
        
        @media (max-width: 768px) {
            .product-nav-tabs .nav-pills .nav-link {
                padding: 8px 12px;
                margin: 2px 1px;
                font-size: 14px;
            }
        }
        
        /* 更小屏幕的产品按钮优化 */
        @media (max-width: 576px) {
            .product-nav-tabs .nav-pills .nav-link {
                padding: 10px 14px;
                margin: 3px 2px;
                font-size: 15px;
                min-height: 44px;
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }
        
        /* 产品卡片动画 */
        .product-card {
            transition: all 0.5s ease;
            opacity: 1;
            transform: translateY(0);
        }
        
        .product-card.animate-in {
            opacity: 0;
            transform: translateY(20px);
        }
        
        /* 移动端强制产品卡片两列布局 */
        @media (max-width: 767px) {
            .product-card,
            .product-card > div {
                width: 100% !important;
            }
        }
        
        /* 产品卡片样式 */
        .product-card {
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .product-image {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        
        /* 为不支持aspect-ratio的浏览器提供备用方案 */
        @supports not (aspect-ratio: 16/9) {
            .product-image {
                height: 0;
                padding-bottom: 56.25%; /* 16:9 = 9/16 = 0.5625 = 56.25% */
                position: relative;
            }
            
            .product-image img {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
            }
        }
        
        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .product-card:hover .product-image img {
            transform: scale(1.05);
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-title {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--secondary-color);
        }
        
        .product-title a {
            color: inherit;
            text-decoration: none;
        }
        
        .product-title a:hover {
            color: var(--primary-color);
        }
        
        .product-desc {
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 0;
        }
        
        /* 新闻卡片样式 */
        .news-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            height: 100%;
        }
        
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .news-image {
            height: 200px;
            overflow: hidden;
        }
        
        .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .news-content {
            padding: 20px;
        }
        
        .news-date {
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 10px;
        }
        
        .news-title {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--secondary-color);
        }
        
        .news-title a {
            color: inherit;
            text-decoration: none;
        }
        
        .news-title a:hover {
            color: var(--primary-color);
        }
        
        /* 特色新闻卡片样式 */
        .featured-news-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            height: 100%;
        }
        
        .featured-news-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .featured-news-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }
        
        .featured-news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .featured-news-card:hover .featured-news-image img {
            transform: scale(1.05);
        }
        
        .featured-news-content {
            padding: 25px;
        }
        
        .featured-news-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--secondary-color);
            line-height: 1.4;
        }
        
        .featured-news-title a {
            color: inherit;
            text-decoration: none;
        }
        
        .featured-news-title a:hover {
            color: var(--primary-color);
        }
        
        .featured-news-desc {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        
        /* 新闻列表样式 */
        .news-list {
            height: 100%;
        }
        
        .news-list-item {
            display: block;
            background: white;
            border-radius: 8px;
            margin-bottom: 12px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            overflow: hidden;
            text-decoration: none;
            color: inherit;
        }
        
        .news-list-item:hover {
            background-color: #f8f9fa;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            text-decoration: none;
            color: inherit;
        }
        
        .news-list-item:last-child {
            margin-bottom: 0;
        }
        
        .news-item-content {
            display: flex;
            gap: 15px;
            padding: 12px;
        }
        
        .news-list-image {
            width: 120px;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: 6px;
            flex-shrink: 0;
        }
        
        .news-list-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .news-list-item:hover .news-list-image img {
            transform: scale(1.1);
        }
        
        .news-list-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        
        .news-list-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--secondary-color);
            line-height: 1.3;
        }
        
        .news-list-item:hover .news-list-title {
            color: var(--primary-color);
        }
        
        .news-list-desc {
            color: var(--text-light);
            font-size: 13px;
            line-height: 1.4;
            margin-bottom: 8px;
            flex: 1;
        }
        
        .news-list-date {
            color: var(--text-light);
            font-size: 12px;
            font-weight: 500;
        }
        
        /* 为不支持aspect-ratio的浏览器提供备用方案 - 新闻图片 */
        @supports not (aspect-ratio: 16/9) {
            .featured-news-image {
                height: 0;
                padding-bottom: 56.25%; /* 16:9 = 9/16 = 0.5625 = 56.25% */
                position: relative;
            }
            
            .featured-news-image img {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
            }
            
            .news-list-image {
                height: 0;
                padding-bottom: 56.25%; /* 16:9 = 9/16 = 0.5625 = 56.25% */
                position: relative;
            }
            
            .news-list-image img {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
            }
        }
        
        /* 响应式调整 */
        @media (max-width: 991px) {
            .featured-news-title {
                font-size: 20px;
            }
            
            .news-list-item {
                margin-bottom: 12px;
            }
        }
        
        @media (max-width: 768px) {
            .featured-news-content {
                padding: 20px;
            }
            
            .featured-news-title {
                font-size: 18px;
            }
            
            .news-list-title {
                font-size: 15px;
            }
        }
        
        /* 页脚样式 */
        .main-footer {
            background-color: var(--secondary-color);
            color: #fff;
            padding: 60px 0 20px;
        }
        
        .footer-logo {
            margin-bottom: 20px;
        }
        
        .footer-section h5 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-section h5:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 2px;
            background-color: var(--primary-color);
        }
        
        /* 移动端下划线居中 */
        @media (max-width: 767px) {
            .text-center .footer-section h5:after {
                left: 50%;
                transform: translateX(-50%);
            }
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }
        
        .contact-info p {
            margin-top: 10px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            color: #bbb;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: #bbb;
        }
         .contact-info a{ color: #bbb;transition: var(--transition);}
         .contact-info a:hover{ color: #bbb;}
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 30px;
            text-align: center;
            color: #bbb;
            font-size: 14px;
        }
        .footer-bottom a{ color: #bbb;}
        
        /* 移动端footer-bottom文字居中 */
        @media (max-width: 767px) {
            .footer-bottom .col-md-6 {
                text-align: center !important;
            }
            .footer-bottom p {
                text-align: center !important;
            }
        }
        
        /* 响应式调整 */
        @media (max-width: 991px) {
            .hero-swiper {
                height: 500px;
            }
            
            .hero-swiper .slide-title {
                font-size: 42px;
            }
            
            .hero-swiper .slide-description {
                font-size: 16px;
            }
            
            .hero-swiper .swiper-button-next,
            .hero-swiper .swiper-button-prev {
                font-size: 30px;
                color: rgba(255, 255, 255, 0.6);
            }
            
            .hero-swiper .swiper-button-prev {
                left: 30px;
            }
            
            .hero-swiper .swiper-button-next {
                right: 30px;
            }
            
            .hero-swiper .swiper-button-next:after,
            .hero-swiper .swiper-button-prev:after {
                font-size: 30px;
                color: rgba(255, 255, 255, 0.6);
            }
            
            .hero-swiper .swiper-button-next:hover,
            .hero-swiper .swiper-button-prev:hover {
                color: rgba(255, 255, 255, 1);
            }
            
            .hero-swiper .swiper-button-next:hover:after,
            .hero-swiper .swiper-button-prev:hover:after {
                color: rgba(255, 255, 255, 1);
            }
            
            .hero-swiper .slide-content .container {
                display: flex;
                justify-content: center;
            }
            
            .hero-swiper .slide-content-inner {
                text-align: center;
                margin: 0 auto;
            }
            
            .hero-swiper .slide-title {
                padding: 0 20px;
            }
            
            /* 移动端头部调整 */
            .header-center,
            .header-right {
                display: none;
            }
            
            .mobile-header-icons {
                display: flex;
            }
            
            .header-left {
                width: auto;
                flex: 1;
            }
        }
        
        @media (max-width: 576px) {
            .hero-swiper {
                height: 350px;
            }
            
            .hero-swiper .swiper-wrapper {
                height: 350px;
            }
            
            .hero-swiper .swiper-slide {
                height: 350px;
            }
            
            .hero-swiper .slide-content .container {
                display: flex;
                justify-content: center;
            }
            
            .hero-swiper .slide-content-inner {
                max-width: 90%;
                text-align: center;
                margin: 0 auto;
            }
            
            .hero-swiper .slide-title {
                padding: 0 15px;
            }
            
            .hero-swiper .slide-subtitle {
                font-size: 14px;
            }
            
            .hero-swiper .slide-title {
                font-size: 32px;
            }
            
            .hero-swiper .slide-description {
                font-size: 14px;
                margin-bottom: 20px;
            }
            
            .hero-swiper .slide-button {
                padding: 12px 30px;
                font-size: 14px;
            }
            
            .hero-swiper .swiper-button-next,
            .hero-swiper .swiper-button-prev {
                font-size: 25px;
                color: rgba(255, 255, 255, 0.6);
            }
            
            .hero-swiper .swiper-button-prev {
                left: 20px;
            }
            
            .hero-swiper .swiper-button-next {
                right: 20px;
            }
            
            .hero-swiper .swiper-button-next:after,
            .hero-swiper .swiper-button-prev:after {
                font-size: 25px;
                color: rgba(255, 255, 255, 0.6);
            }
            
            .hero-swiper .swiper-button-next:hover,
            .hero-swiper .swiper-button-prev:hover {
                color: rgba(255, 255, 255, 1);
            }
            
            .hero-swiper .swiper-button-next:hover:after,
            .hero-swiper .swiper-button-prev:hover:after {
                color: rgba(255, 255, 255, 1);
            }
        }
        
        @media (max-width: 480px) {
            .hero-swiper {
                height: 350px;
            }
            
            .hero-swiper .slide-title {
                font-size: 24px;
                padding: 0 10px;
            }
            
            .hero-swiper .slide-description {
                display: none;
            }
            
            .hero-swiper .slide-content .container {
                display: flex;
                justify-content: center;
            }
            
            .hero-swiper .slide-content-inner {
                text-align: center;
                margin: 0 auto;
            }
            
            .hero-swiper .swiper-button-prev {
                left: 15px;
            }
            
            .hero-swiper .swiper-button-next {
                right: 15px;
            }
        }
        
        /* PC端显示移动端图标隐藏 */
        @media (min-width: 992px) {
            .mobile-header-icons {
                display: none !important;
            }
        }
        
        /* 修改顶部电话号码和邮箱颜色，使其与其他文字颜色一致 */
        .metanav .metanav-item a {
            color: var(--text-color) !important;
        }
        
        .toptel a {
            color: var(--text-color) !important;
        }
        
        /* 确保hover状态也保持一致的颜色 */
        .metanav .metanav-item a:hover,
        .toptel a:hover {
            color: var(--text-color) !important;
            opacity: 0.8;
        }
        
        /* 修改底部联系信息的颜色，使其与其他文字颜色一致 */
        .contact-info p {
            color: #bbb !important;
        }
        
        .contact-info i {
            color: #bbb !important;
        }
        
        /* 修改底部备案号链接颜色，使其与其他文字颜色一致 */
        .footer-bottom a {
            color: #bbb;
            text-decoration: none;
        }
        
        .footer-bottom a:hover {
            color: #fff;
            opacity: 0.8;
        }
        
        /* 移除底部左侧的padding，让内容完全贴左边 */
        .footer-bottom .col-md-6:first-child {
            padding-left: 0 !important;
        }
        
        /* 文本左对齐样式 */
        .text-left {
            text-align: left !important;
        }
        
        /* 联系方式模块样式 */
        .contact-card {
            background: white;
            border-radius: 12px;
            padding: 30px 25px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            transition: var(--transition);
            border: 1px solid #f0f0f0;
        }
        
        .contact-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.12);
        }
        
        .contact-header {
            text-align: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--primary-color);
        }
        
        .contact-title {
            color: var(--primary-color);
            font-weight: 600;
            margin: 0;
            font-size: 1.3rem;
        }
        
        .contact-body {
            /* 移除了无效的 space-y 属性 */
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
            font-size: 14px;
            line-height: 1.5;
        }
        
        .contact-item i {
            color: var(--primary-color);
            margin-right: 10px;
            margin-top: 2px;
            flex-shrink: 0;
            width: 16px;
        }
        
        .contact-item span {
            color: var(--text-color);
            flex: 1;
        }
        
        .production-base {
            background: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            border: 1px solid #f0f0f0;
            position: relative;
            overflow: hidden;
        }
        
        .production-base h4 {
            color: var(--primary-color);
            font-weight: 600;
        }
        
        .production-icon {
            position: relative;
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .global-bg {
            width: 120px;
            height: 120px;
            background: radial-gradient(circle at center, rgba(26, 86, 167, 0.05) 0%, rgba(26, 86, 167, 0.02) 70%, transparent 100%);
            border: 2px solid rgba(26, 86, 167, 0.1);
            border-radius: 50%;
            position: relative;
        }
        
        .global-bg::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 1px;
            background: rgba(26, 86, 167, 0.15);
            transform: translateY(-50%);
        }
        
        .global-bg::after {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 1px;
            background: rgba(26, 86, 167, 0.15);
            transform: translateX(-50%);
        }
        
        .latitude-line {
            position: absolute;
            left: 10%;
            right: 10%;
            height: 1px;
            background: rgba(26, 86, 167, 0.1);
        }
        
        .latitude-1 {
            top: 30%;
        }
        
        .latitude-2 {
            bottom: 30%;
        }
        
        .longitude-line {
            position: absolute;
            top: 10%;
            bottom: 10%;
            width: 1px;
            background: rgba(26, 86, 167, 0.1);
        }
        
        .longitude-1 {
            left: 30%;
        }
        
        .longitude-2 {
            right: 30%;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .contact-card {
                padding: 25px 20px;
            }
            
            .production-base {
                padding: 30px 20px;
            }
            
            .contact-item {
                font-size: 13px;
            }
            
            .production-icon {
                height: 80px;
            }
            
            .global-bg {
                width: 80px;
                height: 80px;
            }
        }
        
        /* 右下角固定按钮组 */
        .fixed-buttons {
            position: fixed;
            right: 20px;
            bottom: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 9999;
        }
        
        .fixed-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: white;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            text-decoration: none;
            font-size: 20px;
        }
        
        .fixed-btn:hover {
            background-color: #0d4a8a;
            transform: translateY(-3px);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            color: white;
        }
        
        .fixed-btn-top {
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.3s ease;
        }
        
        .fixed-btn-top.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }
        
        /* 移动端调整 */
        @media (max-width: 767px) {
            .fixed-buttons {
                right: 15px;
                bottom: 15px;
                gap: 8px;
            }
            
            .fixed-btn {
                width: 45px;
                height: 45px;
                font-size: 18px;
            }
        }

        /* 面包屑导航样式 */
        .breadcrumb-section {
            background: #f8f9fa;
            padding: 30px 0;
        }

        .breadcrumb-content {
            text-align: left;
        }

        .breadcrumb-title {
            font-size: 2rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .breadcrumb-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            margin-bottom: 15px;
        }

        .breadcrumb-path {
            display: flex;
            align-items: center;
            font-size: 14px;
        }

        .breadcrumb-path a {
            color: var(--primary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .breadcrumb-path a:hover {
            color: var(--accent-color);
        }

        .breadcrumb-path span {
            color: var(--text-light);
            margin: 0 8px;
        }

        /* 移动端面包屑调整 */
        @media (max-width: 768px) {
            .breadcrumb-section {
                padding: 20px 0;
            }
            
            .breadcrumb-title {
                font-size: 1.5rem;
            }
        }

        /* ========== 单页内容美化样式 ========== */
        
        /* 页面内导航样式 */
        .in-site-nav {
            background: white;
            border: 1px solid #e9ecef;
            margin: 20px 0;
        }

        .in-site-nav-list {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .in-site-nav-item {
            position: relative;
        }

        .in-site-nav-link {
            display: block;
            padding: 15px 20px;
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            border-bottom: 2px solid transparent;
        }

        .in-site-nav-link:hover {
            color: var(--primary-color);
            text-decoration: none;
        }

        .in-site-nav-item_now .in-site-nav-link {
            color: var(--primary-color);
            border-bottom-color: var(--primary-color);
            font-weight: 600;
        }

        /* 轮播导航样式 */
        .owl-carousel.owl-theme {
            display: none;
            background: var(--primary-color);
            padding: 10px 0;
        }

        .in-site-nav-link-carousel {
            color: white;
            padding: 8px 15px;
            margin: 0 3px;
            background: rgba(255, 255, 255, 0.1);
            transition: background 0.3s ease;
            text-decoration: none;
            font-size: 14px;
        }

        .in-site-nav-link-carousel:hover {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            text-decoration: none;
        }

        /* 文章内容区域样式 */
        .article-component {
            background: transparent;
            border-radius: 0;
            padding: 40px 0;
            box-shadow: none;
            margin: 30px 0;
            position: relative;
            overflow: hidden;
            line-height: 1.8;
        }

 
        .article-component h5.h2 {
            font-size: 1.8rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e9ecef;
        }
            left: 0;
            width: 60px;
            height: 2px;
            background: var(--primary-color);
        }

        .article-component p {
            margin-bottom: 20px;
            color: var(--text-color);
            font-size: 16px;
            text-align: justify;
        }

        .article-component h1,
        .article-component h2,
        .article-component h3,
        .article-component h4,
        .article-component h5,
        .article-component h6 {
            color: var(--secondary-color);
            margin-top: 30px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .article-component h1 { font-size: 1.8rem; }
        .article-component h2 { font-size: 1.6rem; }
        .article-component h3 { font-size: 1.4rem; }
        .article-component h4 { font-size: 1.2rem; }

        .article-component ul,
        .article-component ol {
            margin-bottom: 20px;
            padding-left: 30px;
        }

        .article-component li {
            margin-bottom: 8px;
            color: var(--text-color);
        }

        .article-component img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            margin: 20px 0;
        }

        .article-component blockquote {
            background: #f8f9fa;
            border-left: 4px solid var(--primary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: var(--text-light);
        }

        .article-component table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .article-component th,
        .article-component td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid #f0f0f0;
        }

        .article-component th {
            background: var(--primary-color);
            color: white;
            font-weight: 600;
        }

        .article-component tr:hover {
            background-color: #f8f9fa;
        }

        /* 移动端单页样式调整 */
        @media (max-width: 768px) {
            .in-site-nav-list {
                display: none;
            }
            
            .owl-carousel.owl-theme {
                display: block;
            }
            
            .article-component {
                padding: 25px 20px;
                margin: 20px 0;
            }
            
            .article-component h5.h2 {
                font-size: 1.6rem;
            }
            
            .article-component p {
                font-size: 15px;
            }
        }

        @media (max-width: 576px) {
            .article-component {
                padding: 20px 15px;
            }
            
            .article-component h5.h2 {
                font-size: 1.4rem;
            }
            
            .in-site-nav-link-carousel {
                font-size: 13px;
                padding: 8px 15px;
            }
        }

        /* ========== 单页增强功能样式 ========== */
        
        /* 粘性导航效果 */
        .in-site-nav.sticky {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                transform: translateY(-100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        /* 为粘性导航预留空间 */
        body.nav-sticky-active {
            padding-top: 80px;
        }

        /* 内容区域增强样式 */
        .article-component .content-section {
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid #f0f0f0;
        }

        .article-component .content-section:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        /* 代码块样式 */
        .article-component pre {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            padding: 20px;
            overflow-x: auto;
            margin: 25px 0;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            line-height: 1.5;
        }

        .article-component code {
            background: #f8f9fa;
            padding: 2px 6px;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            font-size: 0.9em;
            color: #e83e8c;
        }

        .article-component pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        /* 链接样式增强 */
        .article-component a {
            color: var(--primary-color);
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .article-component a:hover {
            color: var(--accent-color);
            border-bottom-color: var(--accent-color);
        }

        /* 强调文本样式 */
        .article-component strong,
        .article-component b {
            color: var(--secondary-color);
            font-weight: 600;
        }

        .article-component em,
        .article-component i {
            color: var(--text-light);
            font-style: italic;
        }

        /* 分隔线样式 */
        .article-component hr {
            border: none;
            height: 2px;
            background: linear-gradient(90deg, transparent 0%, var(--primary-color) 50%, transparent 100%);
            margin: 40px 0;
        }

        /* 警告框样式 */
        .article-component .alert {
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
            border-left: 4px solid;
        }

        .article-component .alert-info {
            background: #e7f3ff;
            border-left-color: #0ea5e9;
            color: #0369a1;
        }

        .article-component .alert-warning {
            background: #fef3cd;
            border-left-color: #f59e0b;
            color: #92400e;
        }

        .article-component .alert-success {
            background: #d1fae5;
            border-left-color: #10b981;
            color: #065f46;
        }

        .article-component .alert-danger {
            background: #fee2e2;
            border-left-color: #ef4444;
            color: #991b1b;
        }

        /* 按钮样式 */
        .article-component .btn {
            display: inline-block;
            padding: 12px 24px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            margin: 5px;
        }

        .article-component .btn-primary {
            background: var(--primary-color);
            color: white;
        }

        .article-component .btn-primary:hover {
            background: #15407a;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(26, 86, 167, 0.3);
        }

        .article-component .btn-outline {
            background: transparent;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }

        .article-component .btn-outline:hover {
            background: var(--primary-color);
            color: white;
        }

        /* 图片画廊样式 */
        .article-component .image-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }

        .article-component .image-gallery img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
        }

        .article-component .image-gallery img:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
        }

        /* 响应式图片网格 */
        @media (max-width: 768px) {
            .article-component .image-gallery {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
                gap: 15px;
            }
            
            .article-component .image-gallery img {
                height: 150px;
            }
        }

        /* 打印样式 */
        @media print {
            .in-site-nav,
            .breadcrumb-section {
                display: none;
            }
            
            .article-component {
                box-shadow: none;
                border: 1px solid #ddd;
            }
            
            .article-component a {
                color: #000 !important;
                text-decoration: underline !important;
            }
        }
/* 新闻列表页面样式 */
.category-nav {
    padding: 10px 0;
    overflow: visible;
}

.category-nav .nav-pills {
    margin: 0;
    padding: 0;
}

.category-nav .nav-pills .nav-link {
    color: var(--text-color);
    background: transparent;
    border-radius: 6px;
    padding: 8px 15px;
    margin: 0 5px;
    transition: var(--transition);
    border: 1px solid #e9ecef;
}

.category-nav .nav-pills .nav-item:first-child .nav-link {
    margin-left: 0;
}

/* 锚点导航样式 */
.anchor-link.active {
    background-color: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
}

/* 全局防止横向滚动 */
html {
    overflow-x: hidden;
    width: 100%;
}

body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

/* 容器防止溢出 - 但不影响导航 */
.container:not(.main-nav .container) {
    overflow-x: hidden;
}

/* 行防止溢出 */
.row {
    margin-left: 0;
    margin-right: 0;
}

/* Swiper 容器防止溢出 */
.swiper,
.hero-swiper {
    max-width: 100vw;
    overflow: hidden !important;
}

/* Swiper 导航按钮确保不超出视口 */
.swiper-button-next,
.swiper-button-prev {
    z-index: 10;
}

/* 粘性导航样式 */
.category-nav-section.sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 为粘性导航预留空间 */
body.nav-sticky-active {
    padding-top: 80px;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 移动端不启用粘性导航 */
@media (max-width: 991px) {
    .category-nav-section.sticky {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        width: auto;
        z-index: auto;
        box-shadow: none;
        animation: none;
    }
    
    body.nav-sticky-active {
        padding-top: 0;
    }
}

/* 查看全部按钮样式 */
.category-view-all .btn {
    font-size: 14px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 6px;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-view-all .btn-outline-primary {
    color: var(--text-color);
    border-color: #e0e0e0;
    background-color: white;
}

.category-view-all .btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 86, 167, 0.3);
}

.category-view-all .btn i {
    transition: var(--transition);
}

.category-view-all .btn:hover i {
    transform: translateX(3px);
}

.category-nav .nav-pills .nav-link:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

.category-nav .nav-pills .nav-link.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 新闻卡片样式 */
.news-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: var(--transition);
    border:1px solid #eee;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.news-card-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-card-image img {
    transform: scale(1.05);
}

.news-card-body {
    padding: 25px;
}

.news-meta {
    margin-bottom: 15px;
}

.news-date {
    color: var(--text-light);
    font-size: 14px;
    background: var(--light-gray);
    padding: 4px 12px;
    border-radius: 15px;
    display: inline-block;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-title a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.news-title a:hover {
    color: var(--primary-color);
}

.news-description {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-footer {
    border-top: 1px solid #f0f0f0;
    padding-top: 15px;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.read-more:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.read-more i {
    transition: var(--transition);
}

.read-more:hover i {
    transform: translateX(3px);
}

/* 分页样式优化 */
.pagination-wrapper {
    margin-top: 50px;
}

.pagination-wrapper .pagination {
    justify-content: center;
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination {
    --bs-pagination-color: var(--text-color);
    --bs-pagination-bg: white;
    --bs-pagination-border-color: #dee2e6;
    --bs-pagination-hover-color: var(--primary-color);
    --bs-pagination-hover-bg: var(--light-gray);
    --bs-pagination-active-color: white;
    --bs-pagination-active-bg: var(--primary-color);
    --bs-pagination-active-border-color: var(--primary-color);
}

/* 分页项样式 */
.pagination li {
    margin: 0 3px;
}

.pagination li a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0px 16px;
    color: var(--secondary-color);
    text-decoration: none;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
    background: white;
    box-sizing: border-box;
}

/* 激活状态 */
.pagination li.active a {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 悬停效果 */
.pagination li a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    text-decoration: none;
}

/* 激活状态不需要悬停效果 */
.pagination li.active a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 统计信息样式（共XX条） */
.pagination li:first-child a {
    background: var(--light-gray);
    color: var(--text-light);
    cursor: default;
    font-size: 14px;
    border-color: #e9ecef;
    min-height: 40px;
}

.pagination li:first-child a:hover {
    background: var(--light-gray);
    color: var(--text-light);
    border-color: #e9ecef;
}

/* Bootstrap兼容样式 */
.pagination .page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    border: 1px solid #e9ecef;
    color: var(--secondary-color);
    padding: 10px 16px;
    margin: 0 3px;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
    background: white;
    box-sizing: border-box;
}

.pagination .page-item.active .page-link {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .page-link:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .category-nav .nav-pills {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-nav .nav-pills .nav-link {
        margin: 2px 0;
        text-align: center;
    }
    
    .news-card-body {
        padding: 20px;
    }
    
    .news-title {
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .news-card-image {
        height: 200px;
    }
    
    .news-card-body {
        padding: 15px;
    }
}
/* 新闻列表页面动画效果 */
.news-card {
    animation: fadeInUp 0.6s ease-out;
}

.news-card:nth-child(1) { animation-delay: 0.1s; }
.news-card:nth-child(2) { animation-delay: 0.2s; }
.news-card:nth-child(3) { animation-delay: 0.3s; }
.news-card:nth-child(4) { animation-delay: 0.4s; }
.news-card:nth-child(5) { animation-delay: 0.5s; }
.news-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 移动端优化 */
@media (max-width: 992px) {
.category-nav {
    position: relative;
    overflow: visible;
}

.category-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.category-nav:hover::before {
    left: 100%;
}

/* 卡片内容渐变遮罩效果 */
.news-description {
    position: relative;
}

.news-description::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(transparent, white);
    pointer-events: none;
}

/* 移动端优化 */
@media (max-width: 992px) {
    .news-card {
        margin-bottom: 20px;
    }
    
    .news-card:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 576px) {
    .category-nav .nav-pills .nav-link {
        font-size: 14px;
        padding: 6px 15px;
    }
    
    .news-title {
        font-size: 16px;
        line-height: 1.3;
    }
    
    .news-description {
        font-size: 13px;
        -webkit-line-clamp: 2;
    }
}

/* 无障碍访问优化 */
.news-card:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.category-nav .nav-link:focus {
    box-shadow: 0 0 0 3px rgba(26, 86, 167, 0.25);
}

/* 打印样式 */
@media print {
    .category-nav,
    .news-footer,
    .pagination {
        display: none !important;
    }
    
    .news-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
        margin-bottom: 20px;
    }
    
    .news-card-image {
        height: auto;
    }
}

/* ========== 产品分类封面页面样式 ========== */

/* 产品分类区块样式 */
.product-category-section {
    border-top: 1px solid #f0f0f0;
    padding: 3rem 0;
    transition: var(--transition);
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow-x: hidden;
}

.product-category-section:last-child {
    border-bottom: none;
}

/* 隔行换色效果 */
.product-category-section.category-odd {
    background-color: transparent;
}

.product-category-section.category-even {
    background-color: #f8f9fa;
}

/* 分类图片样式 */
.category-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    transition: var(--transition);
    aspect-ratio: 16/9;
    border: 1px solid #eee;
}

/* 为不支持aspect-ratio的浏览器提供备用方案 */
@supports not (aspect-ratio: 16/9) {
    .category-image-wrapper {
        height: 0;
        padding-bottom: 56.25%; /* 16:9 = 9/16 = 0.5625 = 56.25% */
        position: relative;
    }
    
    .category-image-wrapper img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

.category-image-wrapper:hover {
    transform: translateY(-2px);
}

.category-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.category-image-wrapper:hover img {
    transform: scale(1.02);
}

/* 分类标题样式 */
.category-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
}

.category-title a {
    color: var(--primary-color);
    transition: var(--transition);
}

.category-title a:hover {
    color: var(--accent-color);
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

/* 分类描述样式 */
.category-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-light);
}

/* 产品链接样式 */
.product-links {
    margin-top: 2rem;
    overflow: hidden;
}

.product-link-item {
    margin-bottom: 0.5rem;
}

.product-link {
    border: 1px solid #e9ecef;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    background-color: white !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    word-break: break-word;
}

.product-link:hover {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(26, 86, 167, 0.2);
}

.product-link:hover .product-link-text {
    color: white !important;
}

.product-link:hover .bi-arrow-right {
    color: white !important;
    transform: translateX(5px);
}

.product-link-text {
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    line-height: 1.4;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 10px;
    max-width: calc(100% - 30px);
}

.product-link .bi-arrow-right {
    font-size: 16px;
    transition: var(--transition);
    opacity: 0.7;
    flex-shrink: 0;
    min-width: 20px;
}

/* 响应式设计 */
@media (max-width: 991px) {
    .category-title {
        font-size: 2.25rem;
        text-align: center;
    }
    
    .category-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .category-description {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .category-image-wrapper {
        margin-bottom: 2rem;
    }
    
    /* 移动端取消左右交替布局 */
    .product-category-section .row.flex-row-reverse {
        flex-direction: column !important;
    }
}

@media (max-width: 768px) {
    .product-category-section {
        padding: 2rem 0;
    }
    
    .category-title {
        font-size: 2rem;
    }
    
    .product-link {
        padding: 1rem !important;
    }
    
    .product-link-text {
        font-size: 15px;
    }
    
    .product-link .bi-arrow-right {
        font-size: 15px;
    }
}

@media (max-width: 576px) {
    .category-title {
        font-size: 1.75rem;
    }
    
    .category-description {
        font-size: 1rem;
    }
    
    .product-links .col-sm-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .product-link-text {
        font-size: 14px;
    }
    
    .product-link .bi-arrow-right {
        font-size: 14px;
    }
}

/* 加载动画效果 */
.product-category-section {
    animation: fadeInUp 0.6s ease-out;
}

.product-category-section:nth-child(1) { animation-delay: 0.1s; }
.product-category-section:nth-child(2) { animation-delay: 0.2s; }
.product-category-section:nth-child(3) { animation-delay: 0.3s; }
.product-category-section:nth-child(4) { animation-delay: 0.4s; }

/* 产品链接项目交错动画 */
.product-link-item:nth-child(1) .product-link { animation-delay: 0.1s; }
.product-link-item:nth-child(2) .product-link { animation-delay: 0.15s; }
.product-link-item:nth-child(3) .product-link { animation-delay: 0.2s; }
.product-link-item:nth-child(4) .product-link { animation-delay: 0.25s; }
.product-link-item:nth-child(5) .product-link { animation-delay: 0.3s; }
.product-link-item:nth-child(6) .product-link { animation-delay: 0.35s; }

.product-link {
    animation: slideInRight 0.5s ease-out both;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}