:root {
            --primary-color: #0B3C5D;
            --secondary-color: #D9D9D9;
            --accent-color: #FF6B35;
            --dark-bg: #1D2B36;
            --light-bg: #F5F5F5;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: #333;
            overflow-x: hidden;
        }
        
        .text-gradient {
            background: linear-gradient(90deg, var(--primary-color), #1D7CAE);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .bg-gradient {
            background: linear-gradient(135deg, var(--primary-color), #1D7CAE);
        }
        
        .hero-section {
            position: relative;
            height: 100vh;
            overflow: hidden;
        }
        
        /* 幻灯容器 - 核心自适应布局 */
        .slider-container {
            position: relative;
            width: 100%;
            max-width: 1920px; /* 图片原始宽度 */
            height: 0;
            padding-bottom: 31.25%; /* 600/1920 = 31.25% 保持宽高比 */
            margin: 0 auto;
            overflow: hidden;
        }

        /* 幻灯片列表 */
        .slider-wrapper {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        /* 单张幻灯片 */
        .slider-item {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.8s ease;
            z-index: 0;
        }

        /* 激活的幻灯片 */
        .slider-item.active {
            opacity: 1;
            z-index: 1;
        }

        /* 幻灯片图片 */
        .slider-item img {
            width: 100%;
            height: 100%;
            object-fit: cover; /* 保持比例裁剪，避免拉伸 */
        }

        /* 左右切换箭头 */
        .slider-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background-color: rgba(0, 0, 0, 0.5);
            color: #fff;
            border-radius: 50%;
            text-align: center;
            line-height: 50px;
            font-size: 24px;
            cursor: pointer;
            z-index: 10;
            transition: background-color 0.3s;
        }

        .slider-arrow:hover {
            background-color: rgba(0, 0, 0, 0.8);
        }

        .prev-arrow {
            left: 20px;
        }

        .next-arrow {
            right: 20px;
        }

        /* 底部圆点导航 */
        .slider-dots {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;
        }

        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .dot.active {
            background-color: #fff;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .slider-arrow {
                width: 40px;
                height: 40px;
                font-size: 18px;
                line-height: 40px;
            }
            .dot {
                width: 10px;
                height: 10px;
            }
        }
        
        .nav-link {
            position: relative;
            transition: all 0.3s ease;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .product-card {
            transition: all 0.3s ease;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        
        .solution-card {
            transition: all 0.3s ease;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .solution-card:hover {
            transform: scale(1.03);
        }
        
        .solution-icon {
            transition: all 0.3s ease;
        }
        
        .solution-card:hover .solution-icon {
            transform: rotateY(180deg);
        }
        
        .counter-box {
            text-align: center;
            padding: 20px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }
        
        .counter-box:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.1);
        }
        
        .team-card {
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }
        
        .team-overlay {
            position: absolute;
            bottom: -100%;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(11, 60, 93, 0.9), transparent);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
            transition: all 0.4s ease;
        }
        
        .team-card:hover .team-overlay {
            bottom: 0;
        }
        
        .contact-info-box {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            padding: 15px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }
        
        .contact-info-box:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.1);
        }
        
        .contact-icon {
            margin-right: 15px;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--accent-color);
            color: white;
            font-size: 20px;
        }
        
        .social-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .social-icon:hover {
            transform: translateY(-5px);
            background: var(--accent-color);
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2.5rem;
            }
            
            .counter-box {
                margin-bottom: 20px;
            }
            
            .mobile-menu {
                display: block;
            }
			.desktop-menu1 {
                display: none;
            }
            
            .desktop-menu {
                display: none;
            }
        }
        
        /* 3D模型容器 */
        .model-container {
            width: 100%;
            height: 400px;
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }
        
        /* 滚动动画类 */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .fade-in.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 加载动画 */
        .loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--dark-bg);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }
        
        .loader.hidden {
            opacity: 0;
            visibility: hidden;
        }
        
        .loader-circle {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(255, 255, 255, 0.1);
            border-top: 5px solid var(--accent-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* AI聊天窗口 */
        .ai-chat-window {
            position: fixed;
            bottom: -5px;
            right: 30px;
            width: 350px;
            height: 450px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow: hidden;
            transition: all 0.3s ease;
            transform: translateY(calc(100% - 60px));
        }
        
        .ai-chat-window.active {
            transform: translateY(0);
        }
        
        .ai-chat-header {
            padding: 15px;
            background: var(--primary-color);
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        
        .ai-chat-body {
            flex: 1;
            padding: 15px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }
        
        .ai-message, .user-message {
            max-width: 80%;
            padding: 10px 15px;
            margin-bottom: 10px;
            border-radius: 20px;
        }
        
        .ai-message {
            background: #f1f1f1;
            align-self: flex-start;
            border-bottom-left-radius: 5px;
        }
        
        .user-message {
            background: var(--primary-color);
            color: white;
            align-self: flex-end;
            border-bottom-right-radius: 5px;
        }
        
        .ai-chat-input {
            padding: 15px;
            border-top: 1px solid #eee;
            display: flex;
        }
        
        .ai-chat-input input {
            flex: 1;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 20px;
            margin-right: 10px;
        }
        
        .ai-chat-input button {
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
        }
        
        /* 合作伙伴区域样式 */
        .partners-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            position: relative;
            overflow: hidden;
        }
        
        .partners-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230B3C5D' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            z-index: 0;
        }
        
        .partner-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
        }
        
        .partner-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .partner-logo {
            padding: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: white;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .partner-logo img {
            max-height: 300px;
            max-width: 100%;
            transition: all 0.3s ease;
        }
        
        .partner-card:hover .partner-logo img {
            transform: scale(1.1);
        }
        
        .partner-info {
            padding: 25px;
        }
        
        .partner-info h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .partner-info p {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 15px;
        }
        
        .partner-products {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        
        .product-tag {
            background: #f0f4f8;
            color: var(--primary-color);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .partner-card:hover .product-tag {
            background: var(--primary-color);
            color: white;
        }
        
        .partner-link {
            display: inline-flex;
            align-items: center;
            color: var(--accent-color);
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .partner-link i {
            margin-left: 5px;
            transition: transform 0.3s ease;
        }
        
        .partner-card:hover .partner-link {
            color: var(--primary-color);
        }
        
        .partner-card:hover .partner-link i {
            transform: translateX(5px);
        }