/* 基础样式 */
        :root {
            --primary-color: #2c5aa0;
            --secondary-color: #e63946;
            --accent-color: #f4a261;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
            --border-radius: 4px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            background-color: #fff;
        }

        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: var(--transition);
        }

        a:hover {
            color: var(--secondary-color);
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title h2:after {
            content: '';
            position: absolute;
            width: 70%;
            height: 3px;
            background-color: var(--accent-color);
            bottom: -10px;
            left: 15%;
        }

        .section-title p {
            color: var(--gray-color);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 12px 28px;
            border-radius: var(--border-radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn:hover {
            background-color: var(--secondary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--box-shadow);
        }

        /* 头部样式 */
        .siteHeaderContainer {
            background-color: white;
            box-shadow: var(--box-shadow);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .header-content-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo-container-main {
            display: flex;
            align-items: center;
        }

        .logo-main-site {
            height: 50px;
            margin-right: 10px;
        }

        .company-name-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .company-name-title span {
            color: var(--secondary-color);
        }

        /* 桌面版导航 */
        .desktop-navigation-menu {
            display: flex;
        }

        .nav-menu-desktop {
            display: flex;
        }

        .nav-item-desktop {
            margin-left: 30px;
        }

        .nav-link-desktop {
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--dark-color);
            padding: 8px 0;
            position: relative;
        }

        .nav-link-desktop:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }

        .nav-link-desktop:hover:after {
            width: 100%;
        }

        /* 移动版菜单按钮 */
        .mobile-menu-toggle-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary-color);
            cursor: pointer;
        }

        /* 移动版菜单 */
        .mobile-menu-overlay-panel {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.9);
            z-index: 9999;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transform: translateY(-100%);
            transition: var(--transition);
            opacity: 0;
        }

        .mobile-menu-overlay-panel.active {
            transform: translateY(0);
            opacity: 1;
        }

        .mobile-menu-close-btn {
            position: absolute;
            top: 30px;
            right: 30px;
            background: none;
            border: none;
            color: white;
            font-size: 2rem;
            cursor: pointer;
        }

        .mobile-nav-menu-list {
            text-align: center;
        }

        .mobile-nav-item-list {
            margin: 25px 0;
        }

        .mobile-nav-link-item {
            color: white;
            font-size: 1.8rem;
            font-weight: 600;
        }

        /* 首页横幅 */
        .hero-banner-section {
            background: linear-gradient(rgba(44, 90, 160, 0.9), rgba(44, 90, 160, 0.8)), url('https://dianboky.com/static/bg.avif');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 180px 0 120px;
            margin-top: 80px;
            text-align: center;
        }

        .hero-content-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-title-main {
            font-size: 3.2rem;
            margin-bottom: 20px;
        }

        .hero-subtitle-text {
            font-size: 1.3rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        /* 关于我们 */
        .about-company-section {
            background-color: var(--light-color);
        }

        .about-content-container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

        .about-image-wrapper {
            flex: 1;
            min-width: 300px;
            padding-right: 40px;
        }

        .about-image-style {
            width: 100%;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }

        .about-text-content {
            flex: 1;
            min-width: 300px;
        }

        .about-text-content h3 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .about-text-content p {
            margin-bottom: 15px;
            color: var(--gray-color);
        }

        .about-features-list {
            display: flex;
            flex-wrap: wrap;
            margin-top: 25px;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            width: 50%;
            margin-bottom: 15px;
        }

        .feature-icon-item {
            color: var(--accent-color);
            margin-right: 10px;
            font-size: 1.2rem;
        }

        /* 产品展示 */
        .products-showcase-section {
            background-color: white;
        }

        .products-filter-container {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
        }

        .product-filter-button {
            background: none;
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
            padding: 10px 25px;
            margin: 0 5px;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }

        .product-filter-button.active, .product-filter-button:hover {
            background-color: var(--primary-color);
            color: white;
        }

        .products-grid-layout {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }

        .product-card-item {
            background-color: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }

        .product-card-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }

        .product-image-wrapper {
            height: 200px;
            overflow: hidden;
        }

        .product-image-style {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .product-card-item:hover .product-image-style {
            transform: scale(1.05);
        }

        .product-info-container {
            padding: 20px;
        }

        .product-category-tag {
            display: inline-block;
            background-color: var(--light-color);
            color: var(--primary-color);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-bottom: 10px;
        }

        .product-title-name {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--dark-color);
        }

        .product-description-text {
            color: var(--gray-color);
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        /* 技术特点 */
        .technology-features-section {
            background-color: var(--light-color);
        }

        .tech-features-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }

        .tech-feature-card {
            background-color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            text-align: center;
            transition: var(--transition);
        }

        .tech-feature-card:hover {
            transform: translateY(-10px);
        }

        .tech-feature-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .tech-feature-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }

        /* 联系我们 */
        .contact-company-section {
            background-color: white;
        }

        .contact-content-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

        .contact-info-container {
            flex: 1;
            min-width: 300px;
        }

        .contact-info-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }

        .contact-info-icon {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-right: 15px;
            margin-top: 5px;
        }

        .contact-form-container {
            flex: 1;
            min-width: 300px;
        }

        .form-input-group {
            margin-bottom: 20px;
        }

        .form-input-control, .form-textarea-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-input-control:focus, .form-textarea-control:focus {
            border-color: var(--primary-color);
            outline: none;
        }

        .form-textarea-control {
            height: 150px;
            resize: vertical;
        }

        /* 底部 */
        .siteFooterContainer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 0;
        }

        .footer-content-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .footer-column-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding-right: 20px;
        }

        .footer-column-title {
            font-size: 1.3rem;
            margin-bottom: 25px;
            color: white;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column-title:after {
            content: '';
            position: absolute;
            width: 50px;
            height: 2px;
            background-color: var(--accent-color);
            bottom: 0;
            left: 0;
        }

        .footer-links-list li {
            margin-bottom: 10px;
        }

        .footer-links-list a {
            color: #bbb;
        }

        .footer-links-list a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }

        .copyright-disclaimer-section {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 25px 0;
            text-align: center;
            font-size: 0.9rem;
            color: #bbb;
        }

        .footer-links-inline {
            display: inline-block;
            margin: 0 10px;
            cursor: pointer;
            color: var(--accent-color);
            text-decoration: underline;
        }

        /* 模态框样式 */
        .modal-overlay-container {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 10000;
            justify-content: center;
            align-items: center;
        }

        .modal-content-wrapper {
            background-color: white;
            width: 90%;
            max-width: 700px;
            max-height: 80%;
            overflow-y: auto;
            border-radius: var(--border-radius);
            padding: 30px;
            position: relative;
        }

        .modal-close-button {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--gray-color);
            cursor: pointer;
        }

        .modal-title-header {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero-title-main {
                font-size: 2.8rem;
            }
            
            .about-feature-item {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .desktop-navigation-menu {
                display: none;
            }

            .mobile-menu-toggle-btn {
                display: block;
            }

            .hero-title-main {
                font-size: 2.3rem;
            }

            .hero-subtitle-text {
                font-size: 1.1rem;
            }

            .section-title h2 {
                font-size: 2rem;
            }

            .about-image-wrapper {
                padding-right: 0;
                margin-bottom: 30px;
            }
            
            .product-filter-button {
                padding: 8px 15px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 576px) {
            .hero-title-main {
                font-size: 2rem;
            }
            
            .section-padding {
                padding: 60px 0;
            }
            
            .products-grid-layout {
                grid-template-columns: 1fr;
            }
        }